ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 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';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 206
194# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 208# within the Safe compartment.
196for my $pkg (qw( 209for my $pkg (qw(
197 cf::global cf::attachable 210 cf::global cf::attachable
205} 218}
206 219
207$Event::DIED = sub { 220$Event::DIED = sub {
208 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
209}; 222};
223
224#############################################################################
210 225
211=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
212 227
213=over 4 228=over 4
214 229
233 $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;
234 $d 249 $d
235 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
236} 251}
237 252
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
241 254
242Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
243 256
244=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
245 258
246Converts 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]) }
247 267
248=item cf::lock_wait $string 268=item cf::lock_wait $string
249 269
250Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
251 271
254Wait 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
255a 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,
256for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
257returned. 277returned.
258 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
259Lock 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
260uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
261 284
262=item $locked = cf::lock_active $string 285=item $locked = cf::lock_active $string
263 286
264Return true if the lock is currently active, i.e. somebody has locked it. 287Return true if the lock is currently active, i.e. somebody has locked it.
265 288
266=cut 289=cut
267 290
268our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
269 293
270sub lock_wait($) { 294sub lock_wait($) {
271 my ($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#
272 301
273 # wait for lock, if any 302 # wait for lock, if any
274 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 305 Coro::schedule;
282 311
283 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
284 lock_wait $key; 313 lock_wait $key;
285 314
286 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
287 317
288 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
291 } 322 }
292} 323}
293 324
305 }; 336 };
306 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
307 $guard 338 $guard
308} 339}
309 340
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
310=item cf::async { BLOCK } 399=item cf::async { BLOCK }
311 400
312Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
313C<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
314thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
317 406
318BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
319 408
320=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
321 410
322The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
324reentrant. 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.
325 415
326If 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
327the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
328server 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
329fast or be very important. 419fast or be very important.
337 my $time = Event::time; 427 my $time = Event::time;
338 428
339 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
341 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
342 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
343 # (but this is cancel-safe) 435 # (but this is cancel-safe)
344 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
345 437
346 my $busy = 1; 438 my $busy = 1;
347 my @res; 439 my @res;
348 440
349 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 443 @res = eval { $job->() };
351 warn $@ if $@; 444 warn $@ if $@;
352 undef $busy; 445 undef $busy;
353 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
354 447
389 $EXT_CORO{$coro+0} = $coro; 482 $EXT_CORO{$coro+0} = $coro;
390 483
391 $coro 484 $coro
392} 485}
393 486
394sub write_runtime { 487=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 488
397 # first touch the runtime file to show we are still running: 489Executes the given code block with the given arguments in a seperate
398 # 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.
399 493
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 494=cut
401 utime undef, undef, $fh; 495
496sub fork_call(&@) {
497 my ($cb, @args) = @_;
498
499 # we seemingly have to make a local copy of the whole thing,
500 # otherwise perl prematurely frees the stuff :/
501 # TODO: investigate and fix (likely this will be rather laborious)
502
503 my @res = Coro::Util::fork_eval {
504 reset_signals;
505 &$cb
506 }, @args;
507
508 wantarray ? @res : $res[-1]
509}
510
511=item $value = cf::db_get $family => $key
512
513Returns a single value from the environment database.
514
515=item cf::db_put $family => $key => $value
516
517Stores the given C<$value> in the family. It can currently store binary
518data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
519
520=item $db = cf::db_table "name"
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 $!;
402 } 538 };
539 cf::cleanup "db_open(db): $@" if $@;
403 540
404 my $guard = cf::lock_acquire "write_runtime"; 541 $db
542}
405 543
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 544our $DB;
407 or return;
408 545
409 my $value = $cf::RUNTIME + 90 + 10; 546sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 547 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 548 $DB ||= db_table "db";
549 };
550}
412 551
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 552sub db_get($$) {
414 and return; 553 my $key = "$_[0]/$_[1]";
415 554
416 # always fsync - this file is important 555 cf::sync_job {
417 aio_fsync $fh 556 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 557
420 # touch it again to show we are up-to-date 558 $! ? ()
421 utime undef, undef, $fh; 559 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 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"
432} 636}
433 637
434=item cf::datalog type => key => value, ... 638=item cf::datalog type => key => value, ...
435 639
436Log 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.
454attach callbacks/event handlers (a collection of which is called an "attachment") 658attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 659to it. All such attachable objects support the following methods.
456 660
457In 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>
458C<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
459crossfire+). 663Crossfire TRT).
460 664
461=over 4 665=over 4
462 666
463=item $attachable->attach ($attachment, key => $value...) 667=item $attachable->attach ($attachment, key => $value...)
464 668
627 $registry = $CB_TYPE[$object_type] ||= []; 831 $registry = $CB_TYPE[$object_type] ||= [];
628 832
629 } elsif ($type eq "subtype") { 833 } elsif ($type eq "subtype") {
630 defined $object_type or Carp::croak "subtype specified without type"; 834 defined $object_type or Carp::croak "subtype specified without type";
631 my $object_subtype = shift @arg; 835 my $object_subtype = shift @arg;
632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 836 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633 837
634 } elsif ($type eq "package") { 838 } elsif ($type eq "package") {
635 my $pkg = shift @arg; 839 my $pkg = shift @arg;
636 840
637 while (my ($name, $id) = each %cb_id) { 841 while (my ($name, $id) = each %cb_id) {
666 _attach $registry, $klass, @attach; 870 _attach $registry, $klass, @attach;
667 } 871 }
668 872
669 $obj->{$name} = \%arg; 873 $obj->{$name} = \%arg;
670 } else { 874 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 875 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 876 }
673 877
674 $obj->{_attachment}{$name} = undef; 878 $obj->{_attachment}{$name} = undef;
675} 879}
676 880
678 if (ref $_[0]) { 882 if (ref $_[0]) {
679 _object_attach @_; 883 _object_attach @_;
680 } else { 884 } else {
681 _attach shift->_attach_registry, @_; 885 _attach shift->_attach_registry, @_;
682 } 886 }
887 _recalc_want;
683}; 888};
684 889
685# all those should be optimised 890# all those should be optimised
686sub cf::attachable::detach { 891sub cf::attachable::detach {
687 my ($obj, $name) = @_; 892 my ($obj, $name) = @_;
690 delete $obj->{_attachment}{$name}; 895 delete $obj->{_attachment}{$name};
691 reattach ($obj); 896 reattach ($obj);
692 } else { 897 } else {
693 Carp::croak "cannot, currently, detach class attachments"; 898 Carp::croak "cannot, currently, detach class attachments";
694 } 899 }
900 _recalc_want;
695}; 901};
696 902
697sub cf::attachable::attached { 903sub cf::attachable::attached {
698 my ($obj, $name) = @_; 904 my ($obj, $name) = @_;
699 905
714 "; 920 ";
715 die if $@; 921 die if $@;
716} 922}
717 923
718our $override; 924our $override;
719our @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?
720 926
721sub override { 927sub override {
722 $override = 1; 928 $override = 1;
723 @invoke_results = (); 929 @INVOKE_RESULTS = (@_);
724} 930}
725 931
726sub do_invoke { 932sub do_invoke {
727 my $event = shift; 933 my $event = shift;
728 my $callbacks = shift; 934 my $callbacks = shift;
729 935
730 @invoke_results = (); 936 @INVOKE_RESULTS = ();
731 937
732 local $override; 938 local $override;
733 939
734 for (@$callbacks) { 940 for (@$callbacks) {
735 eval { &{$_->[1]} }; 941 eval { &{$_->[1]} };
752 958
753Generate an object-specific event with the given arguments. 959Generate an object-specific event with the given arguments.
754 960
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 963results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 964
759=back 965=back
760 966
761=cut 967=cut
762 968
763############################################################################# 969#############################################################################
764# object support 970# object support
971
972sub _object_equal($$);
973sub _object_equal($$) {
974 my ($a, $b) = @_;
975
976 return 0 unless (ref $a) eq (ref $b);
977
978 if ("HASH" eq ref $a) {
979 my @ka = keys %$a;
980 my @kb = keys %$b;
981
982 return 0 if @ka != @kb;
983
984 for (0 .. $#ka) {
985 return 0 unless $ka[$_] eq $kb[$_];
986 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
987 }
988
989 } elsif ("ARRAY" eq ref $a) {
990
991 return 0 if @$a != @$b;
992
993 for (0 .. $#$a) {
994 return 0 unless _object_equal $a->[$_], $b->[$_];
995 }
996
997 } elsif ($a ne $b) {
998 return 0;
999 }
1000
1001 1
1002}
1003
1004our $SLOW_MERGES;#d#
1005sub _can_merge {
1006 my ($ob1, $ob2) = @_;
1007
1008 ++$SLOW_MERGES;#d#
1009
1010 # we do the slow way here
1011 return _object_equal $ob1, $ob2
1012}
765 1013
766sub reattach { 1014sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1015 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1016 my ($obj) = @_;
769 1017
816sub object_freezer_save { 1064sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1065 my ($filename, $rdata, $objs) = @_;
818 1066
819 sync_job { 1067 sync_job {
820 if (length $$rdata) { 1068 if (length $$rdata) {
1069 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1070 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1071 $decname, length $$rdata, scalar @$objs;
823 1072
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1073 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1074 chmod SAVE_MODE, $fh;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1075 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1076 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1077 close $fh;
829 1078
830 if (@$objs) { 1079 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1081 chmod SAVE_MODE, $fh;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1082 my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1083 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1084 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1085 close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1086 aio_rename "$filename.pst~", "$filename.pst";
838 } 1087 }
846 } 1095 }
847 } else { 1096 } else {
848 aio_unlink $filename; 1097 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1098 aio_unlink "$filename.pst";
850 } 1099 }
851 } 1100 };
852} 1101}
853 1102
854sub object_freezer_as_string { 1103sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1104 my ($rdata, $objs) = @_;
856 1105
868 or return; 1117 or return;
869 1118
870 unless (aio_stat "$filename.pst") { 1119 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1120 (aio_load "$filename.pst", $av) >= 0
872 or return; 1121 or return;
873 $av = eval { (Storable::thaw $av)->{objs} };
874 }
875 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);
876 warn sprintf "loading %s (%d)\n", 1129 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1130 $decname, length $data, scalar @{$av || []};
1131
878 return ($data, $av); 1132 ($data, $av)
879} 1133}
1134
1135=head2 COMMAND CALLBACKS
1136
1137=over 4
1138
1139=cut
880 1140
881############################################################################# 1141#############################################################################
882# command handling &c 1142# command handling &c
883 1143
884=item cf::register_command $name => \&callback($ob,$args); 1144=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1157 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1158}
899 1159
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1160=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1161
902Register 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.
903 1167
904If 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
905called. 1169called.
906 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
907=cut 1182=cut
908 1183
909sub register_extcmd { 1184sub register_extcmd {
910 my ($name, $cb) = @_; 1185 my ($name, $cb) = @_;
911 1186
912 $EXTCMD{$name} = $cb; 1187 $EXTCMD{$name} = $cb;
1188}
1189
1190sub register_exticmd {
1191 my ($name, $cb) = @_;
1192
1193 $EXTICMD{$name} = $cb;
913} 1194}
914 1195
915cf::player->attach ( 1196cf::player->attach (
916 on_command => sub { 1197 on_command => sub {
917 my ($pl, $name, $params) = @_; 1198 my ($pl, $name, $params) = @_;
926 cf::override; 1207 cf::override;
927 }, 1208 },
928 on_extcmd => sub { 1209 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1210 my ($pl, $buf) = @_;
930 1211
931 my $msg = eval { from_json $buf }; 1212 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1213
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1222 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1223 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1224 }
1225
1226 $pl->ext_reply ($reply, @reply)
1227 if $reply;
1228
939 } else { 1229 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1230 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1231 }
942 1232
943 cf::override; 1233 cf::override;
944 }, 1234 },
945); 1235);
946 1236
947sub load_extension {
948 my ($path) = @_;
949
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
951 my $base = $1;
952 my $pkg = $1;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 }
975 die $@;
976 }
977
978 push @EXTS, $pkg;
979}
980
981sub load_extensions { 1237sub load_extensions {
1238 cf::sync_job {
1239 my %todo;
1240
982 for my $ext (<$LIBDIR/*.ext>) { 1241 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1242 next unless -r $path;
984 eval { 1243
985 load_extension $ext; 1244 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1245 my $base = $1;
1246 my $pkg = $1;
1247 $pkg =~ s/[^[:word:]]/_/g;
1248 $pkg = "ext::$pkg";
1249
1250 open my $fh, "<:utf8", $path
1251 or die "$path: $!";
1252
1253 my $source = do { local $/; <$fh> };
1254
1255 my %ext = (
1256 path => $path,
1257 base => $base,
1258 pkg => $pkg,
1259 );
1260
1261 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263
1264 $ext{source} =
1265 "package $pkg; use strict; use utf8;\n"
1266 . "#line 1 \"$path\"\n{\n"
1267 . $source
1268 . "\n};\n1";
1269
1270 $todo{$base} = \%ext;
1271 }
1272
1273 my %done;
1274 while (%todo) {
1275 my $progress;
1276
1277 while (my ($k, $v) = each %todo) {
1278 for (split /,\s*/, $v->{meta}{depends}) {
1279 goto skip
1280 unless exists $done{$_};
1281 }
1282
1283 warn "... loading '$k' into '$v->{pkg}'\n";
1284
1285 unless (eval $v->{source}) {
1286 my $msg = $@ ? "$v->{path}: $@\n"
1287 : "$v->{base}: extension inactive.\n";
1288
1289 if (exists $v->{meta}{mandatory}) {
1290 warn $msg;
1291 warn "mandatory extension failed to load, exiting.\n";
1292 exit 1;
1293 }
1294
1295 warn $msg;
1296 }
1297
1298 $done{$k} = delete $todo{$k};
1299 push @EXTS, $v->{pkg};
1300 $progress = 1;
986 1 1301 }
987 } or warn "$ext not loaded: $@"; 1302
1303 skip:
1304 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1305 unless $progress;
1306 }
988 } 1307 };
989} 1308}
990 1309
991############################################################################# 1310#############################################################################
992 1311
1312=back
1313
993=head2 CORE EXTENSIONS 1314=head2 CORE EXTENSIONS
994 1315
995Functions and methods that extend core crossfire objects. 1316Functions and methods that extend core crossfire objects.
996 1317
997=cut 1318=cut
1001use Coro::AIO; 1322use Coro::AIO;
1002 1323
1003=head3 cf::player 1324=head3 cf::player
1004 1325
1005=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}
1006 1341
1007=item cf::player::find $login 1342=item cf::player::find $login
1008 1343
1009Returns the given player object, loading it if necessary (might block). 1344Returns the given player object, loading it if necessary (might block).
1010 1345
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1381 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1382 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1383 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1384 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1385
1051 my $pl = load_pl path $login 1386 my $f = new_from_file cf::object::thawer path $login
1052 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;
1053 $cf::PLAYER{$login} = $pl 1393 $cf::PLAYER{$login} = $pl
1054 } 1394 }
1055 } 1395 }
1056} 1396}
1057 1397
1067 1407
1068 aio_mkdir playerdir $pl, 0770; 1408 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1409 $pl->{last_save} = $cf::RUNTIME;
1070 1410
1071 $pl->save_pl ($path); 1411 $pl->save_pl ($path);
1072 Coro::cede; 1412 cf::cede_to_tick;
1073} 1413}
1074 1414
1075sub new($) { 1415sub new($) {
1076 my ($login) = @_; 1416 my ($login) = @_;
1077 1417
1081 $self->{deny_save} = 1; 1421 $self->{deny_save} = 1;
1082 1422
1083 $cf::PLAYER{$login} = $self; 1423 $cf::PLAYER{$login} = $self;
1084 1424
1085 $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 (@_);
1086} 1436}
1087 1437
1088=item $pl->quit_character 1438=item $pl->quit_character
1089 1439
1090Nukes the player without looking back. If logged in, the connection will 1440Nukes the player without looking back. If logged in, the connection will
1145 or return []; 1495 or return [];
1146 1496
1147 my @logins; 1497 my @logins;
1148 1498
1149 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1504 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1505 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1506 $buf !~ /^password -------------$/m or next; # official not-valid tag
1507 }
1153 1508
1154 utf8::decode $login; 1509 utf8::decode $login;
1155 push @logins, $login; 1510 push @logins, $login;
1156 } 1511 }
1157 1512
1184 } 1539 }
1185 1540
1186 \@paths 1541 \@paths
1187} 1542}
1188 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
1189=item $player->ext_reply ($msgid, %msg) 1595=item $player->ext_reply ($msgid, @msg)
1190 1596
1191Sends an ext reply to the player. 1597Sends an ext reply to the player.
1192 1598
1193=cut 1599=cut
1194 1600
1195sub ext_reply($$%) { 1601sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1602 my ($self, $id, @msg) = @_;
1197 1603
1198 $msg{msgid} = $id; 1604 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1605}
1202 1606
1203=item $player->ext_event ($type, %msg) 1607=item $player->ext_msg ($type, @msg)
1204 1608
1205Sends an ext event to the client. 1609Sends an ext event to the client.
1206 1610
1207=cut 1611=cut
1208 1612
1209sub ext_event($$%) { 1613sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1614 my ($self, $type, @msg) = @_;
1211 1615
1212 $self->ns->ext_event ($type, %msg); 1616 $self->ns->ext_msg ($type, @msg);
1213} 1617}
1214 1618
1215=head3 cf::region 1619=head3 cf::region
1216 1620
1217=over 4 1621=over 4
1220 1624
1221package cf::region; 1625package cf::region;
1222 1626
1223=item cf::region::find_by_path $path 1627=item cf::region::find_by_path $path
1224 1628
1225Tries to decuce the probable region for a map knowing only its path. 1629Tries to decuce the likely region for a map knowing only its path.
1226 1630
1227=cut 1631=cut
1228 1632
1229sub find_by_path($) { 1633sub find_by_path($) {
1230 my ($path) = @_; 1634 my ($path) = @_;
1231 1635
1232 my ($match, $specificity); 1636 my ($match, $specificity);
1233 1637
1234 for my $region (list) { 1638 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1639 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1640 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1641 if $region->specificity > $specificity;
1238 } 1642 }
1239 } 1643 }
1240 1644
1304 my ($self, $merge) = @_; 1708 my ($self, $merge) = @_;
1305 1709
1306 # we have to keep some variables in memory intact 1710 # we have to keep some variables in memory intact
1307 local $self->{path}; 1711 local $self->{path};
1308 local $self->{load_path}; 1712 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1713
1312 $self->SUPER::thawer_merge ($merge); 1714 $self->SUPER::thawer_merge ($merge);
1313} 1715}
1314 1716
1315sub normalise { 1717sub normalise {
1362 $self->init; # pass $1 etc. 1764 $self->init; # pass $1 etc.
1363 return $self; 1765 return $self;
1364 } 1766 }
1365 } 1767 }
1366 1768
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1769 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1770 ()
1369} 1771}
1370 1772
1371sub init { 1773sub init {
1372 my ($self) = @_; 1774 my ($self) = @_;
1415 1817
1416 $_->change_map_light ($change) 1818 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1819 for grep $_->outdoor, values %cf::MAP;
1418} 1820}
1419 1821
1822sub decay_objects {
1823 my ($self) = @_;
1824
1825 return if $self->{deny_reset};
1826
1827 $self->do_decay_objects;
1828}
1829
1420sub unlink_save { 1830sub unlink_save {
1421 my ($self) = @_; 1831 my ($self) = @_;
1422 1832
1423 utf8::encode (my $save = $self->save_path); 1833 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1834 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1837
1428sub load_header_from($) { 1838sub load_header_from($) {
1429 my ($self, $path) = @_; 1839 my ($self, $path) = @_;
1430 1840
1431 utf8::encode $path; 1841 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1842 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 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;
1437 1850
1438 $self->{load_path} = $path; 1851 $self->{load_path} = $path;
1439 1852
1440 1 1853 1
1441} 1854}
1480 $self->load_header_orig 1893 $self->load_header_orig
1481 or return; 1894 or return;
1482 $self->prepare_orig; 1895 $self->prepare_orig;
1483 } 1896 }
1484 1897
1898 $self->{deny_reset} = 1
1899 if $self->no_reset;
1900
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1901 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1902 unless $self->default_region;
1487 1903
1488 1 1904 1
1489} 1905}
1492sub find { 1908sub find {
1493 my ($path, $origin) = @_; 1909 my ($path, $origin) = @_;
1494 1910
1495 $path = normalise $path, $origin && $origin->path; 1911 $path = normalise $path, $origin && $origin->path;
1496 1912
1913 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1914 cf::lock_wait "map_find:$path";
1498 1915
1499 $cf::MAP{$path} || do { 1916 $cf::MAP{$path} || do {
1500 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
1501 my $map = new_from_path cf::map $path 1920 my $map = new_from_path cf::map $path
1502 or return; 1921 or return;
1503 1922
1504 $map->{last_save} = $cf::RUNTIME; 1923 $map->{last_save} = $cf::RUNTIME;
1505 1924
1506 $map->load_header 1925 $map->load_header
1507 or return; 1926 or return;
1508 1927
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1928 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1929 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1930 #$cf::WAIT_FOR_TICK->wait;
1931 undef $guard1;
1932 undef $guard2;
1512 $map->reset; 1933 $map->reset;
1513 undef $guard;
1514 return find $path; 1934 return find $path;
1515 } 1935 }
1516 1936
1517 $cf::MAP{$path} = $map 1937 $cf::MAP{$path} = $map
1518 } 1938 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 1947 local $self->{deny_reset} = 1; # loading can take a long time
1528 1948
1529 my $path = $self->{path}; 1949 my $path = $self->{path};
1530 1950
1531 { 1951 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 1952 my $guard = cf::lock_acquire "map_data:$path";
1533 1953
1954 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 1955 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 1956
1536 $self->in_memory (cf::MAP_LOADING); 1957 $self->in_memory (cf::MAP_LOADING);
1537 1958
1538 $self->alloc; 1959 $self->alloc;
1539 1960
1540 $self->pre_load; 1961 $self->pre_load;
1541 Coro::cede; 1962 cf::cede_to_tick;
1542 1963
1964 my $f = new_from_file cf::object::thawer $self->{load_path};
1965 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 1966 $self->_load_objects ($f)
1544 or return; 1967 or return;
1545 1968
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1969 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 1970 if delete $self->{load_original};
1548 1971
1549 if (my $uniq = $self->uniq_path) { 1972 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 1973 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 1974 unless (aio_stat $uniq) {
1975 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 1976 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 1977 $self->_load_objects ($f);
1978 $f->resolve_delayed_derefs;
1979 }
1554 } 1980 }
1555 } 1981 }
1556 1982
1557 Coro::cede; 1983 $f->resolve_delayed_derefs;
1984
1985 cf::cede_to_tick;
1558 # now do the right thing for maps 1986 # now do the right thing for maps
1559 $self->link_multipart_objects; 1987 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 1988 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 1989 unless $self->difficulty;
1562 Coro::cede; 1990 cf::cede_to_tick;
1563 1991
1564 unless ($self->{deny_activate}) { 1992 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 1993 $self->decay_objects;
1566 $self->fix_auto_apply; 1994 $self->fix_auto_apply;
1567 $self->update_buttons; 1995 $self->update_buttons;
1568 Coro::cede; 1996 cf::cede_to_tick;
1569 $self->set_darkness_map; 1997 $self->set_darkness_map;
1570 Coro::cede; 1998 cf::cede_to_tick;
1571 $self->activate; 1999 $self->activate;
1572 } 2000 }
2001
2002 $self->{last_save} = $cf::RUNTIME;
2003 $self->last_access ($cf::RUNTIME);
1573 2004
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2005 $self->in_memory (cf::MAP_IN_MEMORY);
1575 } 2006 }
1576 2007
1577 $self->post_load; 2008 $self->post_load;
1581 my ($self, $ob) = @_; 2012 my ($self, $ob) = @_;
1582 2013
1583 return find "~" . $ob->name . "/" . $self->{path} 2014 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2015 if $self->per_player;
1585 2016
2017# return find "?party/" . $ob->name . "/" . $self->{path}
2018# if $self->per_party;
2019
1586 $self 2020 $self
1587} 2021}
1588 2022
1589# find and load all maps in the 3x3 area around a map 2023# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2024sub load_neighbours {
1591 my ($map) = @_; 2025 my ($map) = @_;
1592 2026
1593 my @diag; # diagonal neighbours 2027 my @neigh; # diagonal neighbours
1594 2028
1595 for (0 .. 3) { 2029 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2030 my $neigh = $map->tile_path ($_)
1597 or next; 2031 or next;
1598 $neigh = find $neigh, $map 2032 $neigh = find $neigh, $map
1599 or next; 2033 or next;
1600 $neigh->load; 2034 $neigh->load;
1601 2035
2036 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2037 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2038 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2039 }
1605 2040
1606 for (@diag) { 2041 for (grep defined $_->[0], @neigh) {
2042 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2043 my $neigh = find $path, $origin
1608 or next; 2044 or next;
1609 $neigh->load; 2045 $neigh->load;
1610 } 2046 }
1611} 2047}
1612 2048
1617} 2053}
1618 2054
1619sub do_load_sync { 2055sub do_load_sync {
1620 my ($map) = @_; 2056 my ($map) = @_;
1621 2057
2058 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2059 if $Coro::current == $Coro::main;
2060
1622 cf::sync_job { $map->load }; 2061 cf::sync_job { $map->load };
1623} 2062}
1624 2063
1625our %MAP_PREFETCH; 2064our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2065our $MAP_PREFETCHER = undef;
1627 2066
1628sub find_async { 2067sub find_async {
1629 my ($path, $origin) = @_; 2068 my ($path, $origin, $load) = @_;
1630 2069
1631 $path = normalise $path, $origin && $origin->{path}; 2070 $path = normalise $path, $origin && $origin->{path};
1632 2071
1633 if (my $map = $cf::MAP{$path}) { 2072 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2073 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635 } 2074 }
1636 2075
1637 undef $MAP_PREFETCH{$path}; 2076 $MAP_PREFETCH{$path} |= $load;
2077
1638 $MAP_PREFETCHER ||= cf::async { 2078 $MAP_PREFETCHER ||= cf::async {
2079 $Coro::current->{desc} = "map prefetcher";
2080
1639 while (%MAP_PREFETCH) { 2081 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2082 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2083 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2084 $map->load if $v;
2085 }
1644 2086
1645 delete $MAP_PREFETCH{$path}; 2087 delete $MAP_PREFETCH{$k};
1646 } 2088 }
1647 } 2089 }
1648 undef $MAP_PREFETCHER; 2090 undef $MAP_PREFETCHER;
1649 }; 2091 };
1650 $MAP_PREFETCHER->prio (6); 2092 $MAP_PREFETCHER->prio (6);
1653} 2095}
1654 2096
1655sub save { 2097sub save {
1656 my ($self) = @_; 2098 my ($self) = @_;
1657 2099
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2100 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2101
1660 $self->{last_save} = $cf::RUNTIME; 2102 $self->{last_save} = $cf::RUNTIME;
1661 2103
1662 return unless $self->dirty; 2104 return unless $self->dirty;
1663 2105
1669 return if $self->{deny_save}; 2111 return if $self->{deny_save};
1670 2112
1671 local $self->{last_access} = $self->last_access;#d# 2113 local $self->{last_access} = $self->last_access;#d#
1672 2114
1673 cf::async { 2115 cf::async {
2116 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2117 $_->contr->save for $self->players;
1675 }; 2118 };
1676 2119
1677 if ($uniq) { 2120 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2121 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1686 my ($self) = @_; 2129 my ($self) = @_;
1687 2130
1688 # save first because save cedes 2131 # save first because save cedes
1689 $self->save; 2132 $self->save;
1690 2133
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2134 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2135
1693 return if $self->players; 2136 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2137 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save}; 2138 return if $self->{deny_save};
1696 2139
2140 $self->in_memory (cf::MAP_SWAPPED);
2141
2142 $self->deactivate;
2143 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2144 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2145}
1700 2146
1701sub reset_at { 2147sub reset_at {
1702 my ($self) = @_; 2148 my ($self) = @_;
1703 2149
1704 # TODO: safety, remove and allow resettable per-player maps 2150 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2151 return 1e99 if $self->{deny_reset};
1707 2152
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2153 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2154 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2155
1721 my ($self) = @_; 2166 my ($self) = @_;
1722 2167
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2168 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2169
1725 return if $self->players; 2170 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2171
1728 warn "resetting map ", $self->path;#d# 2172 warn "resetting map ", $self->path;
1729 2173
1730 $self->in_memory (cf::MAP_SWAPPED); 2174 $self->in_memory (cf::MAP_SWAPPED);
1731 2175
1732 # need to save uniques path 2176 # need to save uniques path
1733 unless ($self->{deny_save}) { 2177 unless ($self->{deny_save}) {
1737 if $uniq; 2181 if $uniq;
1738 } 2182 }
1739 2183
1740 delete $cf::MAP{$self->path}; 2184 delete $cf::MAP{$self->path};
1741 2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2188 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2189
1746 $self->unlink_save; 2190 $self->unlink_save;
1747 $self->destroy; 2191 $self->destroy;
1748} 2192}
1749 2193
1750my $nuke_counter = "aaaa"; 2194my $nuke_counter = "aaaa";
1751 2195
1752sub nuke { 2196sub nuke {
1753 my ($self) = @_; 2197 my ($self) = @_;
1754 2198
2199 {
2200 my $lock = cf::lock_acquire "map_data:$self->{path}";
2201
1755 delete $cf::MAP{$self->path}; 2202 delete $cf::MAP{$self->path};
1756 2203
1757 $self->unlink_save; 2204 $self->unlink_save;
1758 2205
1759 bless $self, "cf::map"; 2206 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2207 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2208 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2209 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2210 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2211
1765 $cf::MAP{$self->path} = $self; 2212 $cf::MAP{$self->path} = $self;
2213 }
1766 2214
1767 $self->reset; # polite request, might not happen 2215 $self->reset; # polite request, might not happen
2216}
2217
2218=item $maps = cf::map::tmp_maps
2219
2220Returns an arrayref with all map paths of currently instantiated and saved
2221maps. May block.
2222
2223=cut
2224
2225sub tmp_maps() {
2226 [
2227 map {
2228 utf8::decode $_;
2229 /\.map$/
2230 ? normalise $_
2231 : ()
2232 } @{ aio_readdir $TMPDIR or [] }
2233 ]
2234}
2235
2236=item $maps = cf::map::random_maps
2237
2238Returns an arrayref with all map paths of currently instantiated and saved
2239random maps. May block.
2240
2241=cut
2242
2243sub random_maps() {
2244 [
2245 map {
2246 utf8::decode $_;
2247 /\.map$/
2248 ? normalise "?random/$_"
2249 : ()
2250 } @{ aio_readdir $RANDOMDIR or [] }
2251 ]
1768} 2252}
1769 2253
1770=item cf::map::unique_maps 2254=item cf::map::unique_maps
1771 2255
1772Returns an arrayref of paths of all shared maps that have 2256Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2257instantiated unique items. May block.
1774 2258
1775=cut 2259=cut
1776 2260
1777sub unique_maps() { 2261sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2262 [
1779 or return; 2263 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2264 utf8::decode $_;
1785 next if /\.pst$/; 2265 /\.map$/
1786 next unless /^$PATH_SEP/o; 2266 ? normalise $_
1787 2267 : ()
1788 push @paths, cf::map::normalise $_; 2268 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2269 ]
1790
1791 \@paths
1792} 2270}
1793 2271
1794package cf; 2272package cf;
1795 2273
1796=back 2274=back
1814 map { $_, inv_recursive_ $_->inv } @_ 2292 map { $_, inv_recursive_ $_->inv } @_
1815} 2293}
1816 2294
1817sub inv_recursive { 2295sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2296 inv_recursive_ inv $_[0]
2297}
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 }
1819} 2325}
1820 2326
1821package cf; 2327package cf;
1822 2328
1823=back 2329=back
1842 2348
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2349 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2350
1845 if ($self->{record_replies}) { 2351 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2352 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2353
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2362 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2363 $self->message ($msg, $flags);
2364 }
1850 } 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 (@_);
1851} 2376}
1852 2377
1853=item $player_object->may ("access") 2378=item $player_object->may ("access")
1854 2379
1855Returns wether the given player is authorized to access resource "access" 2380Returns wether the given player is authorized to access resource "access"
1902 $self->deactivate_recursive; 2427 $self->deactivate_recursive;
1903 2428
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2429 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2430
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2431 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2432 if $self->map && $self->map->{path} ne "{link}";
1908 2433
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2434 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1910} 2435}
1911 2436
1912sub cf::object::player::leave_link { 2437sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2438 my ($self, $map, $x, $y) = @_;
2439
2440 return unless $self->contr->active;
1914 2441
1915 my $link_pos = delete $self->{_link_pos}; 2442 my $link_pos = delete $self->{_link_pos};
1916 2443
1917 unless ($map) { 2444 unless ($map) {
1918 # restore original map position 2445 # restore original map position
1932 # use -1 or undef as default coordinates, not 0, 0 2459 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2460 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2461 if $x <=0 && $y <= 0;
1935 2462
1936 $map->load; 2463 $map->load;
1937 $map->load_diag; 2464 $map->load_neighbours;
1938 2465
1939 return unless $self->contr->active; 2466 return unless $self->contr->active;
1940 $self->activate_recursive; 2467 $self->activate_recursive;
1941 2468
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2469 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2470 $self->enter_map ($map, $x, $y);
1944} 2471}
1945 2472
1946cf::player->attach ( 2473=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1947 on_logout => sub {
1948 my ($pl) = @_;
1949 2474
1950 # abort map switching before logout 2475Moves the player to the given map-path and coordinates by first freezing
1951 if ($pl->ob->{_link_pos}) { 2476her, loading and preparing them map, calling the provided $check callback
1952 cf::sync_job { 2477that has to return the map if sucecssful, and then unfreezes the player on
1953 $pl->ob->leave_link 2478the new (success) or old (failed) map position. In either case, $done will
1954 }; 2479be called at the end of this process.
1955 }
1956 },
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2480
1960 # try to abort aborted map switching on player login :)
1961 # should happen only on crashes
1962 if ($pl->ob->{_link_pos}) {
1963 $pl->ob->enter_link;
1964 (async {
1965 $pl->ob->reply (undef,
1966 "There was an internal problem at your last logout, "
1967 . "the server will try to bring you to your intended destination in a second.",
1968 cf::NDI_RED);
1969 # we need this sleep as the login has a concurrent enter_exit running
1970 # and this sleep increases chances of the player not ending up in scorn
1971 Coro::Timer::sleep 1;
1972 $pl->ob->leave_link;
1973 })->prio (2);
1974 }
1975 },
1976);
1977
1978=item $player_object->goto ($path, $x, $y)
1979
1980=cut 2481=cut
2482
2483our $GOTOGEN;
1981 2484
1982sub cf::object::player::goto { 2485sub cf::object::player::goto {
1983 my ($self, $path, $x, $y) = @_; 2486 my ($self, $path, $x, $y, $check, $done) = @_;
2487
2488 # do generation counting so two concurrent goto's will be executed in-order
2489 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984 2490
1985 $self->enter_link; 2491 $self->enter_link;
1986 2492
1987 (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
1988 my $map = eval { 2515 my $map = eval {
1989 my $map = cf::map::find $path; 2516 my $map = defined $path ? cf::map::find $path : undef;
2517
2518 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2519 $map = $map->customise_for ($self);
2520 $map = $check->($map) if $check && $map;
2521 } else {
2522 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2523 }
2524
1991 $map 2525 $map
2526 };
2527
2528 if ($@) {
2529 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2530 LOG llevError | logBacktrace, Carp::longmess $@;
1992 } or 2531 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2532
2533 if ($gen == $self->{_goto_generation}) {
2534 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2535 $self->leave_link ($map, $x, $y);
2536 }
2537
2538 $done->() if $done;
1996 })->prio (1); 2539 })->prio (1);
1997} 2540}
1998 2541
1999=item $player_object->enter_exit ($exit_object) 2542=item $player_object->enter_exit ($exit_object)
2000 2543
2069 my $hp = $exit->stats->hp; 2612 my $hp = $exit->stats->hp;
2070 my $sp = $exit->stats->sp; 2613 my $sp = $exit->stats->sp;
2071 2614
2072 $self->enter_link; 2615 $self->enter_link;
2073 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
2074 (async { 2621 (async {
2622 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2623
2075 $self->deactivate_recursive; # just to be sure 2624 $self->deactivate_recursive; # just to be sure
2076 unless (eval { 2625 unless (eval {
2077 $self->goto ($slaying, $hp, $sp); 2626 $self->goto ($slaying, $hp, $sp);
2078 2627
2079 1; 2628 1;
2105 2654
2106 utf8::encode $text; 2655 utf8::encode $text;
2107 $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);
2108} 2657}
2109 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
2110=item $client->ext_event ($type, %msg) 2752=item $client->ext_msg ($type, @msg)
2111 2753
2112Sends an exti event to the client. 2754Sends an ext event to the client.
2113 2755
2114=cut 2756=cut
2115 2757
2116sub cf::client::ext_event($$%) { 2758sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 2759 my ($self, $type, @msg) = @_;
2118 2760
2761 if ($self->extcmd == 2) {
2762 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2763 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 2764 push @msg, msgtype => "event_$type";
2120 $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 }
2121} 2785}
2122 2786
2123=item $success = $client->query ($flags, "text", \&cb) 2787=item $success = $client->query ($flags, "text", \&cb)
2124 2788
2125Queues a query to the client, calling the given callback with 2789Queues a query to the client, calling the given callback with
2126the 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>,
2127C<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>.
2128 2792
2129Queries 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
2130reliable at some point in the future. 2794become reliable at some point in the future.
2131 2795
2132=cut 2796=cut
2133 2797
2134sub cf::client::query { 2798sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 2799 my ($self, $flags, $text, $cb) = @_;
2143 utf8::encode $text; 2807 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2808 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 2809
2146 $self->send_packet ($self->{query_queue}[0][0]) 2810 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 2811 if @{ $self->{query_queue} } == 1;
2812
2813 1
2148} 2814}
2149 2815
2150cf::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 },
2151 on_reply => sub { 2822 on_reply => sub {
2152 my ($ns, $msg) = @_; 2823 my ($ns, $msg) = @_;
2153 2824
2154 # this weird shuffling is so that direct followup queries 2825 # this weird shuffling is so that direct followup queries
2155 # get handled first 2826 # get handled first
2167 } else { 2838 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2839 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 2840 }
2170 } 2841 }
2171 }, 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 },
2172); 2869);
2173 2870
2174=item $client->async (\&cb) 2871=item $client->async (\&cb)
2175 2872
2176Create a new coroutine, running the specified callback. The coroutine will 2873Create a new coroutine, running the specified callback. The coroutine will
2217our $safe = new Safe "safe"; 2914our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 2915our $safe_hole = new Safe::Hole;
2219 2916
2220$SIG{FPE} = 'IGNORE'; 2917$SIG{FPE} = 'IGNORE';
2221 2918
2222$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));
2223 2924
2224# here we export the classes and methods available to script code 2925# here we export the classes and methods available to script code
2225 2926
2226=pod 2927=pod
2227 2928
2228The following functions and methods are available within a safe environment: 2929The following functions and methods are available within a safe environment:
2229 2930
2230 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
2231 cf::object::player player 2935 cf::object::player
2232 cf::player peaceful 2936 player
2233 cf::map trigger 2937
2938 cf::player
2939 peaceful
2940
2941 cf::map
2942 trigger
2234 2943
2235=cut 2944=cut
2236 2945
2237for ( 2946for (
2238 ["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)],
2239 ["cf::object::player" => qw(player)], 2950 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 2951 ["cf::player" => qw(peaceful)],
2241 ["cf::map" => qw(trigger)], 2952 ["cf::map" => qw(trigger)],
2242) { 2953) {
2243 no strict 'refs'; 2954 no strict 'refs';
2314=back 3025=back
2315 3026
2316=cut 3027=cut
2317 3028
2318############################################################################# 3029#############################################################################
2319
2320=head2 EXTENSION DATABASE SUPPORT
2321
2322Crossfire maintains a very simple database for extension use. It can
2323currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324convert to/from binary).
2325
2326The parameter C<$family> should best start with the name of the extension
2327using it, it should be unique.
2328
2329=over 4
2330
2331=item $value = cf::db_get $family => $key
2332
2333Returns a single value from the database.
2334
2335=item cf::db_put $family => $key => $value
2336
2337Stores the given C<$value> in the family.
2338
2339=cut
2340
2341our $DB;
2342
2343sub db_init {
2344 unless ($DB) {
2345 $DB = BDB::db_create $DB_ENV;
2346
2347 cf::sync_job {
2348 eval {
2349 $DB->set_flags (BDB::CHKSUM);
2350
2351 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353 cf::cleanup "db_open(db): $!" if $!;
2354 };
2355 cf::cleanup "db_open(db): $@" if $@;
2356 };
2357 }
2358}
2359
2360sub db_get($$) {
2361 my $key = "$_[0]/$_[1]";
2362
2363 cf::sync_job {
2364 BDB::db_get $DB, undef, $key, my $data;
2365
2366 $! ? ()
2367 : $data
2368 }
2369}
2370
2371sub db_put($$$) {
2372 BDB::dbreq_pri 4;
2373 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374}
2375
2376=item cf::cache $id => [$paths...], $processversion => $process
2377
2378Generic caching function that returns the value of the resource $id,
2379caching and regenerating as required.
2380
2381This function can block.
2382
2383=cut
2384
2385sub cache {
2386 my ($id, $src, $processversion, $process) = @_;
2387
2388 my $meta =
2389 join "\x00",
2390 $processversion,
2391 map {
2392 aio_stat $_
2393 and Carp::croak "$_: $!";
2394
2395 ($_, (stat _)[7,9])
2396 } @$src;
2397
2398 my $dbmeta = db_get cache => "$id/meta";
2399 if ($dbmeta ne $meta) {
2400 # changed, we may need to process
2401
2402 my @data;
2403 my $md5;
2404
2405 for (0 .. $#$src) {
2406 0 <= aio_load $src->[$_], $data[$_]
2407 or Carp::croak "$src->[$_]: $!";
2408 }
2409
2410 # if processing is expensive, check
2411 # checksum first
2412 if (1) {
2413 $md5 =
2414 join "\x00",
2415 $processversion,
2416 map {
2417 Coro::cede;
2418 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2419 } 0.. $#$src;
2420
2421
2422 my $dbmd5 = db_get cache => "$id/md5";
2423 if ($dbmd5 eq $md5) {
2424 db_put cache => "$id/meta", $meta;
2425
2426 return db_get cache => "$id/data";
2427 }
2428 }
2429
2430 my $t1 = Time::HiRes::time;
2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436 db_put cache => "$id/data", $data;
2437 db_put cache => "$id/md5" , $md5;
2438 db_put cache => "$id/meta", $meta;
2439
2440 return $data;
2441 }
2442
2443 db_get cache => "$id/data"
2444}
2445
2446=item fork_call { }, $args
2447
2448Executes the given code block with the given arguments in a seperate
2449process, returning the results. Everything must be serialisable with
2450Coro::Storable. May, of course, block. Note that the executed sub may
2451never block itself or use any form of Event handling.
2452
2453=cut
2454
2455sub fork_call(&@) {
2456 my ($cb, @args) = @_;
2457
2458# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459# or die "socketpair: $!";
2460 pipe my $fh1, my $fh2
2461 or die "pipe: $!";
2462
2463 if (my $pid = fork) {
2464 close $fh2;
2465
2466 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467 $res = Coro::Storable::thaw $res;
2468
2469 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471 die $$res unless "ARRAY" eq ref $res;
2472
2473 return wantarray ? @$res : $res->[-1];
2474 } else {
2475 reset_signals;
2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2478 eval {
2479 close $fh1;
2480
2481 my @res = eval { $cb->(@args) };
2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483 };
2484
2485 warn $@ if $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491
2492#############################################################################
2493# the server's init and main functions 3030# the server's init and main functions
2494 3031
2495sub load_facedata($) { 3032sub load_facedata($) {
2496 my ($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;
2497 3040
2498 warn "loading facedata from $path\n"; 3041 warn "loading facedata from $path\n";
2499 3042
2500 my $facedata; 3043 my $facedata;
2501 0 < aio_load $path, $facedata 3044 0 < aio_load $path, $facedata
2504 $facedata = Coro::Storable::thaw $facedata; 3047 $facedata = Coro::Storable::thaw $facedata;
2505 3048
2506 $facedata->{version} == 2 3049 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3050 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 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
2509 { 3059 {
2510 my $faces = $facedata->{faceinfo}; 3060 my $faces = $facedata->{faceinfo};
2511 3061
2512 while (my ($face, $info) = each %$faces) { 3062 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3063 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3064 cf::face::set_visibility $idx, $info->{visibility};
3065 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3066 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3067 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517 Coro::cede; 3068
3069 cf::cede_to_tick;
2518 } 3070 }
2519 3071
2520 while (my ($face, $info) = each %$faces) { 3072 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3073 next unless $info->{smooth};
2522 my $idx = cf::face::find $face 3074 my $idx = cf::face::find $face
2523 or next; 3075 or next;
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3076 if (my $smooth = cf::face::find $info->{smooth}) {
3077 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3078 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3079 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3080 warn "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3081 }
2529 Coro::cede; 3082
3083 cf::cede_to_tick;
2530 } 3084 }
2531 } 3085 }
2532 3086
2533 { 3087 {
2534 my $anims = $facedata->{animinfo}; 3088 my $anims = $facedata->{animinfo};
2535 3089
2536 while (my ($anim, $info) = each %$anims) { 3090 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3091 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3092 cf::cede_to_tick;
2539 } 3093 }
2540 3094
2541 cf::anim::invalidate_all; # d'oh 3095 cf::anim::invalidate_all; # d'oh
2542 } 3096 }
2543 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 => $face;
3143 }
3144 }
3145 }
3146
2544 1 3147 1
2545} 3148}
2546 3149
3150register_exticmd fx_want => sub {
3151 my ($ns, $want) = @_;
3152
3153 while (my ($k, $v) = each %$want) {
3154 $ns->fx_want ($k, $v);
3155 }
3156};
3157
2547sub reload_regions { 3158sub reload_regions {
3159 # HACK to clear player env face cache, we need some signal framework
3160 # for this (global event?)
3161 %ext::player_env::MUSIC_FACE_CACHE = ();
3162
2548 load_resource_file "$MAPDIR/regions" 3163 load_resource_file "$MAPDIR/regions"
2549 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 $_->{match};
3169 }
2550} 3170}
2551 3171
2552sub reload_facedata { 3172sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3173 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3174 or die "unable to load facedata\n";
2555} 3175}
2556 3176
2557sub reload_archetypes { 3177sub reload_archetypes {
2558 load_resource_file "$DATADIR/archetypes" 3178 load_resource_file "$DATADIR/archetypes"
2559 or die "unable to load archetypes\n"; 3179 or die "unable to load archetypes\n";
3180 #d# NEED to laod twice to resolve forward references
3181 # this really needs to be done in an extra post-pass
3182 # (which needs to be synchronous, so solve it differently)
3183 load_resource_file "$DATADIR/archetypes"
3184 or die "unable to load archetypes\n";
2560} 3185}
2561 3186
2562sub reload_treasures { 3187sub reload_treasures {
2563 load_resource_file "$DATADIR/treasures" 3188 load_resource_file "$DATADIR/treasures"
2564 or die "unable to load treasurelists\n"; 3189 or die "unable to load treasurelists\n";
2567sub reload_resources { 3192sub reload_resources {
2568 warn "reloading resource files...\n"; 3193 warn "reloading resource files...\n";
2569 3194
2570 reload_regions; 3195 reload_regions;
2571 reload_facedata; 3196 reload_facedata;
3197 #reload_archetypes;#d#
2572 reload_archetypes; 3198 reload_archetypes;
2573 reload_treasures; 3199 reload_treasures;
2574 3200
2575 warn "finished reloading resource files\n"; 3201 warn "finished reloading resource files\n";
2576} 3202}
2577 3203
2578sub init { 3204sub init {
2579 reload_resources; 3205 reload_resources;
2580} 3206}
2581 3207
2582sub cfg_load { 3208sub reload_config {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3209 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3210 or return;
2585 3211
2586 local $/; 3212 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3213 *CFG = YAML::Syck::Load <$fh>;
2603sub main { 3229sub main {
2604 # we must not ever block the main coroutine 3230 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3231 local $Coro::idle = sub {
2606 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#
2607 (async { 3233 (async {
3234 $Coro::current->{desc} = "IDLE BUG HANDLER";
2608 Event::one_event; 3235 Event::one_event;
2609 })->prio (Coro::PRIO_MAX); 3236 })->prio (Coro::PRIO_MAX);
2610 }; 3237 };
2611 3238
2612 cfg_load; 3239 reload_config;
2613 db_init; 3240 db_init;
2614 load_extensions; 3241 load_extensions;
2615 3242
2616 $TICK_WATCHER->start; 3243 $TICK_WATCHER->start;
2617 Event::loop; 3244 Event::loop;
2633 }, 3260 },
2634 ); 3261 );
2635 } 3262 }
2636} 3263}
2637 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
2638sub emergency_save() { 3303sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3304 my $freeze_guard = cf::freeze_mainloop;
2640 3305
2641 warn "enter emergency perl save\n"; 3306 warn "enter emergency perl save\n";
2642 3307
2646 # and maps saved/destroyed asynchronously. 3311 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3312 warn "begin emergency player save\n";
2648 for my $login (keys %cf::PLAYER) { 3313 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3314 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3315 $pl->valid or next;
3316 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3317 $pl->save;
2652 } 3318 }
2653 warn "end emergency player save\n"; 3319 warn "end emergency player save\n";
2654 3320
2655 warn "begin emergency map save\n"; 3321 warn "begin emergency map save\n";
2717 %EXT_CORO = (); 3383 %EXT_CORO = ();
2718 3384
2719 warn "removing commands"; 3385 warn "removing commands";
2720 %COMMAND = (); 3386 %COMMAND = ();
2721 3387
2722 warn "removing ext commands"; 3388 warn "removing ext/exti commands";
2723 %EXTCMD = (); 3389 %EXTCMD = ();
3390 %EXTICMD = ();
2724 3391
2725 warn "unloading/nuking all extensions"; 3392 warn "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) { 3393 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg"; 3394 warn "... unloading $pkg";
2728 3395
2771 warn "reloading cf.pm"; 3438 warn "reloading cf.pm";
2772 require cf; 3439 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3440 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2774 3441
2775 warn "loading config and database again"; 3442 warn "loading config and database again";
2776 cf::cfg_load; 3443 cf::reload_config;
2777 3444
2778 warn "loading extensions"; 3445 warn "loading extensions";
2779 cf::load_extensions; 3446 cf::load_extensions;
2780 3447
2781 warn "reattaching attachments to objects/players"; 3448 warn "reattaching attachments to objects/players";
2817register_command "reload" => sub { 3484register_command "reload" => sub {
2818 my ($who, $arg) = @_; 3485 my ($who, $arg) = @_;
2819 3486
2820 if ($who->flag (FLAG_WIZ)) { 3487 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 3488 $who->message ("reloading server.");
3489 async {
3490 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 3491 reload_perl;
3492 };
2823 } 3493 }
2824}; 3494};
2825 3495
2826unshift @INC, $LIBDIR; 3496unshift @INC, $LIBDIR;
2827 3497
2869 $NEXT_TICK += $TICK; 3539 $NEXT_TICK += $TICK;
2870 3540
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3541 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 3542 $NEXT_RUNTIME_WRITE = $NOW + 10;
2873 Coro::async_pool { 3543 Coro::async_pool {
3544 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 3545 write_runtime
2875 or warn "ERROR: unable to write runtime file: $!"; 3546 or warn "ERROR: unable to write runtime file: $!";
2876 }; 3547 };
2877 } 3548 }
2878 3549
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3550 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 3551 $sig->send;
2884 } 3552 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 3553 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 3554 $sig->send;
2896 3564
2897 $LOAD = ($NOW - $tick_start) / $TICK; 3565 $LOAD = ($NOW - $tick_start) / $TICK;
2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3566 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 3567
2900 _post_tick; 3568 _post_tick;
2901
2902
2903 }, 3569 },
2904); 3570);
2905 3571
2906{ 3572{
3573 BDB::min_parallel 8;
2907 BDB::max_poll_time $TICK * 0.1; 3574 BDB::max_poll_time $TICK * 0.1;
2908 $BDB_POLL_WATCHER = Event->io ( 3575 $BDB_POLL_WATCHER = Event->io (
2909 reentrant => 0, 3576 reentrant => 0,
2910 fd => BDB::poll_fileno, 3577 fd => BDB::poll_fileno,
2911 poll => 'r', 3578 poll => 'r',
2912 prio => 0, 3579 prio => 0,
2913 data => WF_AUTOCANCEL, 3580 data => WF_AUTOCANCEL,
2914 cb => \&BDB::poll_cb, 3581 cb => \&BDB::poll_cb,
2915 ); 3582 );
2916 BDB::min_parallel 8;
2917 3583
2918 BDB::set_sync_prepare { 3584 BDB::set_sync_prepare {
2919 my $status; 3585 my $status;
2920 my $current = $Coro::current; 3586 my $current = $Coro::current;
2921 ( 3587 (
2930 ) 3596 )
2931 }; 3597 };
2932 3598
2933 unless ($DB_ENV) { 3599 unless ($DB_ENV) {
2934 $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);
2935 3605
2936 cf::sync_job { 3606 cf::sync_job {
2937 eval { 3607 eval {
2938 BDB::db_env_open 3608 BDB::db_env_open
2939 $DB_ENV, 3609 $DB_ENV,
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3611 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3612 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 3613 0666;
2944 3614
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3615 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948 $DB_ENV->set_lk_detect;
2949 }; 3616 };
2950 3617
2951 cf::cleanup "db_env_open(db): $@" if $@; 3618 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 3619 };
2953 } 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 );
2954} 3652}
2955 3653
2956{ 3654{
2957 IO::AIO::min_parallel 8; 3655 IO::AIO::min_parallel 8;
2958 3656
2961 $AIO_POLL_WATCHER = Event->io ( 3659 $AIO_POLL_WATCHER = Event->io (
2962 reentrant => 0, 3660 reentrant => 0,
2963 data => WF_AUTOCANCEL, 3661 data => WF_AUTOCANCEL,
2964 fd => IO::AIO::poll_fileno, 3662 fd => IO::AIO::poll_fileno,
2965 poll => 'r', 3663 poll => 'r',
2966 prio => 6, 3664 prio => 0,
2967 cb => \&IO::AIO::poll_cb, 3665 cb => \&IO::AIO::poll_cb,
2968 ); 3666 );
2969} 3667}
2970 3668
2971my $_log_backtrace; 3669my $_log_backtrace;
2977 3675
2978 # limit the # of concurrent backtraces 3676 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 3677 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 3678 ++$_log_backtrace;
2981 async { 3679 async {
3680 $Coro::current->{desc} = "abt $msg";
3681
2982 my @bt = fork_call { 3682 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 3683 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3684 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 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 |"
2986 or die "addr2line: $!"; 3686 or die "addr2line: $!";

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines