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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.390 by root, Thu Oct 25 09:01:24 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
355 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
356 Coro::cede or Event::one_event; 452 Event::one_event;
453 }
357 } 454 }
358 455
359 $time = Event::time - $time; 456 $time = Event::time - $time;
360 457
361 LOG llevError | logBacktrace, Carp::longmess "long sync job" 458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
389 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
390 487
391 $coro 488 $coro
392} 489}
393 490
394sub write_runtime { 491=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 492
397 # first touch the runtime file to show we are still running: 493Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 494process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling.
399 497
400 IO::AIO::aio_utime $runtime, undef, undef; 498=cut
401 499
402 my $guard = cf::lock_acquire "write_runtime"; 500sub fork_call(&@) {
501 my ($cb, @args) = @_;
403 502
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 503 # we seemingly have to make a local copy of the whole thing,
405 or return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
406 506
407 my $value = $cf::RUNTIME + 90 + 10; 507 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 508 reset_signals;
409 # 60 allows for the watchdog to kill the server. 509 &$cb
510 }, @args;
410 511
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 512 wantarray ? @res : $res[-1]
412 and return; 513}
413 514
414 # always fsync - this file is important 515=item $value = cf::db_get $family => $key
415 aio_fsync $fh
416 and return;
417 516
418 # touch it again to show we are up-to-date 517Returns a single value from the environment database.
419 aio_utime $fh, undef, undef;
420 518
421 close $fh 519=item cf::db_put $family => $key => $value
422 or return;
423 520
424 aio_rename "$runtime~", $runtime 521Stores the given C<$value> in the family. It can currently store binary
425 and return; 522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
426 523
427 warn "runtime file written.\n";#d# 524=item $db = cf::db_table "name"
428 525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
547
548our $DB;
549
550sub db_init {
551 cf::sync_job {
552 $DB ||= db_table "db";
553 };
554}
555
556sub db_get($$) {
557 my $key = "$_[0]/$_[1]";
558
559 cf::sync_job {
560 BDB::db_get $DB, undef, $key, my $data;
561
562 $! ? ()
563 : $data
429 1 564 }
565}
566
567sub db_put($$$) {
568 BDB::dbreq_pri 4;
569 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
570}
571
572=item cf::cache $id => [$paths...], $processversion => $process
573
574Generic caching function that returns the value of the resource $id,
575caching and regenerating as required.
576
577This function can block.
578
579=cut
580
581sub cache {
582 my ($id, $src, $processversion, $process) = @_;
583
584 my $meta =
585 join "\x00",
586 $processversion,
587 map {
588 aio_stat $_
589 and Carp::croak "$_: $!";
590
591 ($_, (stat _)[7,9])
592 } @$src;
593
594 my $dbmeta = db_get cache => "$id/meta";
595 if ($dbmeta ne $meta) {
596 # changed, we may need to process
597
598 my @data;
599 my $md5;
600
601 for (0 .. $#$src) {
602 0 <= aio_load $src->[$_], $data[$_]
603 or Carp::croak "$src->[$_]: $!";
604 }
605
606 # if processing is expensive, check
607 # checksum first
608 if (1) {
609 $md5 =
610 join "\x00",
611 $processversion,
612 map {
613 cf::cede_to_tick;
614 ($src->[$_], Digest::MD5::md5_hex $data[$_])
615 } 0.. $#$src;
616
617
618 my $dbmd5 = db_get cache => "$id/md5";
619 if ($dbmd5 eq $md5) {
620 db_put cache => "$id/meta", $meta;
621
622 return db_get cache => "$id/data";
623 }
624 }
625
626 my $t1 = Time::HiRes::time;
627 my $data = $process->(\@data);
628 my $t2 = Time::HiRes::time;
629
630 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
631
632 db_put cache => "$id/data", $data;
633 db_put cache => "$id/md5" , $md5;
634 db_put cache => "$id/meta", $meta;
635
636 return $data;
637 }
638
639 db_get cache => "$id/data"
430} 640}
431 641
432=item cf::datalog type => key => value, ... 642=item cf::datalog type => key => value, ...
433 643
434Log a datalog packet of the given type with the given key-value pairs. 644Log a datalog packet of the given type with the given key-value pairs.
452attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
454 664
455In the following description, CLASS can be any of C<global>, C<object> 665In the following description, CLASS can be any of C<global>, C<object>
456C<player>, C<client> or C<map> (i.e. the attachable objects in 666C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 667Crossfire TRT).
458 668
459=over 4 669=over 4
460 670
461=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
462 672
664 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
665 } 875 }
666 876
667 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
668 } else { 878 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 880 }
671 881
672 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
673} 883}
674 884
714 "; 924 ";
715 die if $@; 925 die if $@;
716} 926}
717 927
718our $override; 928our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 929our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 930
721sub override { 931sub override {
722 $override = 1; 932 $override = 1;
723 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
724} 934}
725 935
726sub do_invoke { 936sub do_invoke {
727 my $event = shift; 937 my $event = shift;
728 my $callbacks = shift; 938 my $callbacks = shift;
729 939
730 @invoke_results = (); 940 @INVOKE_RESULTS = ();
731 941
732 local $override; 942 local $override;
733 943
734 for (@$callbacks) { 944 for (@$callbacks) {
735 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
752 962
753Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
754 964
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 965This 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 966removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 968
759=back 969=back
760 970
761=cut 971=cut
762 972
763############################################################################# 973#############################################################################
764# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
765 1017
766sub reattach { 1018sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1020 my ($obj) = @_;
769 1021
816sub object_freezer_save { 1068sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
818 1070
819 sync_job { 1071 sync_job {
820 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
823 1076
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1081 close $fh;
829 1082
830 if (@$objs) { 1083 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1084 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1089 close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
838 } 1091 }
846 } 1099 }
847 } else { 1100 } else {
848 aio_unlink $filename; 1101 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
850 } 1103 }
851 } 1104 };
852} 1105}
853 1106
854sub object_freezer_as_string { 1107sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
856 1109
868 or return; 1121 or return;
869 1122
870 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
872 or return; 1125 or return;
1126
873 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
874 } 1129 }
875 1130
1131 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
878 return ($data, $av); 1135 ($data, $av)
879} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
880 1143
881############################################################################# 1144#############################################################################
882# command handling &c 1145# command handling &c
883 1146
884=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1161}
899 1162
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1164
902Register a callbackf ro execution when the client sends an extcmd packet. 1165Register a callback for execution when the client sends an (synchronous)
1166extcmd packet. Ext commands will be processed in the order they are
1167received by the server, like other user commands. The first argument is
1168the logged-in player. Ext commands can only be processed after a player
1169has logged in successfully.
903 1170
904If the callback returns something, it is sent back as if reply was being 1171If the callback returns something, it is sent back as if reply was being
905called. 1172called.
906 1173
1174=item cf::register_exticmd $name => \&callback($ns,$packet);
1175
1176Register a callback for execution when the client sends an (asynchronous)
1177exticmd packet. Exti commands are processed by the server as soon as they
1178are received, i.e. out of order w.r.t. other commands. The first argument
1179is a client socket. Exti commands can be received anytime, even before
1180log-in.
1181
1182If the callback returns something, it is sent back as if reply was being
1183called.
1184
907=cut 1185=cut
908 1186
909sub register_extcmd { 1187sub register_extcmd {
910 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
911 1189
912 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
913} 1197}
914 1198
915cf::player->attach ( 1199cf::player->attach (
916 on_command => sub { 1200 on_command => sub {
917 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
926 cf::override; 1210 cf::override;
927 }, 1211 },
928 on_extcmd => sub { 1212 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
930 1214
931 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1216
933 if (ref $msg) { 1217 if (ref $msg) {
1218 my ($type, $reply, @payload) =
1219 "ARRAY" eq ref $msg
1220 ? @$msg
1221 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222
1223 my @reply;
1224
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
939 } else { 1232 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1234 }
942 1235
943 cf::override; 1236 cf::override;
944 }, 1237 },
945); 1238);
946 1239
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 { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
982 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1245 next unless -r $path;
984 eval { 1246
985 load_extension $ext; 1247 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1248 my $base = $1;
1249 my $pkg = $1;
1250 $pkg =~ s/[^[:word:]]/_/g;
1251 $pkg = "ext::$pkg";
1252
1253 open my $fh, "<:utf8", $path
1254 or die "$path: $!";
1255
1256 my $source = do { local $/; <$fh> };
1257
1258 my %ext = (
1259 path => $path,
1260 base => $base,
1261 pkg => $pkg,
1262 );
1263
1264 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266
1267 $ext{source} =
1268 "package $pkg; use strict; use utf8;\n"
1269 . "#line 1 \"$path\"\n{\n"
1270 . $source
1271 . "\n};\n1";
1272
1273 $todo{$base} = \%ext;
1274 }
1275
1276 my %done;
1277 while (%todo) {
1278 my $progress;
1279
1280 while (my ($k, $v) = each %todo) {
1281 for (split /,\s*/, $v->{meta}{depends}) {
1282 goto skip
1283 unless exists $done{$_};
1284 }
1285
1286 warn "... loading '$k' into '$v->{pkg}'\n";
1287
1288 unless (eval $v->{source}) {
1289 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n";
1291
1292 if (exists $v->{meta}{mandatory}) {
1293 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n";
1295 exit 1;
1296 }
1297
1298 warn $msg;
1299 }
1300
1301 $done{$k} = delete $todo{$k};
1302 push @EXTS, $v->{pkg};
1303 $progress = 1;
986 1 1304 }
987 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
988 } 1310 };
989} 1311}
990 1312
991############################################################################# 1313#############################################################################
992 1314
1315=back
1316
993=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
994 1318
995Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
996 1320
997=cut 1321=cut
1001use Coro::AIO; 1325use Coro::AIO;
1002 1326
1003=head3 cf::player 1327=head3 cf::player
1004 1328
1005=over 4 1329=over 4
1330
1331=item cf::player::num_playing
1332
1333Returns the official number of playing players, as per the Crossfire metaserver rules.
1334
1335=cut
1336
1337sub num_playing {
1338 scalar grep
1339 $_->ob->map
1340 && !$_->hidden
1341 && !$_->ob->flag (cf::FLAG_WIZ),
1342 cf::player::list
1343}
1006 1344
1007=item cf::player::find $login 1345=item cf::player::find $login
1008 1346
1009Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
1010 1348
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1387 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1388
1051 my $pl = load_pl path $login 1389 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1390 or return;
1391
1392 my $pl = cf::player::load_pl $f
1393 or return;
1394 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
1054 } 1397 }
1055 } 1398 }
1056} 1399}
1057 1400
1067 1410
1068 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1070 1413
1071 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1072 Coro::cede; 1415 cf::cede_to_tick;
1073} 1416}
1074 1417
1075sub new($) { 1418sub new($) {
1076 my ($login) = @_; 1419 my ($login) = @_;
1077 1420
1081 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1082 1425
1083 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1084 1427
1085 $self 1428 $self
1429}
1430
1431=item $player->send_msg ($channel, $msg, $color, [extra...])
1432
1433=cut
1434
1435sub send_msg {
1436 my $ns = shift->ns
1437 or return;
1438 $ns->send_msg (@_);
1086} 1439}
1087 1440
1088=item $pl->quit_character 1441=item $pl->quit_character
1089 1442
1090Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1145 or return []; 1498 or return [];
1146 1499
1147 my @logins; 1500 my @logins;
1148 1501
1149 for my $login (@$dirs) { 1502 for my $login (@$dirs) {
1503 my $path = path $login;
1504
1505 # a .pst is a dead give-away for a valid player
1506 unless (-e "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1153 1511
1154 utf8::decode $login; 1512 utf8::decode $login;
1155 push @logins, $login; 1513 push @logins, $login;
1156 } 1514 }
1157 1515
1184 } 1542 }
1185 1543
1186 \@paths 1544 \@paths
1187} 1545}
1188 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553sub expand_cfpod {
1554 ((my $self), (local $_)) = @_;
1555
1556 # escape & and <
1557 s/&/&amp;/g;
1558 s/(?<![BIUGHT])</&lt;/g;
1559
1560 # this is buggy, it needs to properly take care of nested <'s
1561
1562 1 while
1563 # replace B<>, I<>, U<> etc.
1564 s/B<([^\>]*)>/<b>$1<\/b>/
1565 || s/I<([^\>]*)>/<i>$1<\/i>/
1566 || s/U<([^\>]*)>/<u>$1<\/u>/
1567 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568 # replace G<male|female> tags
1569 || s{G<([^>|]*)\|([^>]*)>}{
1570 $self->gender ? $2 : $1
1571 }ge
1572 # replace H<hint text>
1573 || s{H<([^\>]*)>}
1574 {
1575 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577 "")
1578 [$self->{hintmode}]
1579 }ge;
1580
1581 # create single paragraphs (very hackish)
1582 s/(?<=\S)\n(?=\w)/ /g;
1583
1584 # compress some whitespace
1585 s/\s+\n/\n/g; # ws line-ends
1586 s/\n\n+/\n/g; # double lines
1587 s/^\n+//; # beginning lines
1588 s/\n+$//; # ending lines
1589
1590 $_
1591}
1592
1593sub hintmode {
1594 $_[0]{hintmode} = $_[1] if @_ > 1;
1595 $_[0]{hintmode}
1596}
1597
1189=item $player->ext_reply ($msgid, %msg) 1598=item $player->ext_reply ($msgid, @msg)
1190 1599
1191Sends an ext reply to the player. 1600Sends an ext reply to the player.
1192 1601
1193=cut 1602=cut
1194 1603
1195sub ext_reply($$%) { 1604sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1605 my ($self, $id, @msg) = @_;
1197 1606
1198 $msg{msgid} = $id; 1607 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1608}
1202 1609
1203=item $player->ext_event ($type, %msg) 1610=item $player->ext_msg ($type, @msg)
1204 1611
1205Sends an ext event to the client. 1612Sends an ext event to the client.
1206 1613
1207=cut 1614=cut
1208 1615
1209sub ext_event($$%) { 1616sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1617 my ($self, $type, @msg) = @_;
1211 1618
1212 $self->ns->ext_event ($type, %msg); 1619 $self->ns->ext_msg ($type, @msg);
1213} 1620}
1214 1621
1215=head3 cf::region 1622=head3 cf::region
1216 1623
1217=over 4 1624=over 4
1220 1627
1221package cf::region; 1628package cf::region;
1222 1629
1223=item cf::region::find_by_path $path 1630=item cf::region::find_by_path $path
1224 1631
1225Tries to decuce the probable region for a map knowing only its path. 1632Tries to decuce the likely region for a map knowing only its path.
1226 1633
1227=cut 1634=cut
1228 1635
1229sub find_by_path($) { 1636sub find_by_path($) {
1230 my ($path) = @_; 1637 my ($path) = @_;
1231 1638
1232 my ($match, $specificity); 1639 my ($match, $specificity);
1233 1640
1234 for my $region (list) { 1641 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1642 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1643 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1644 if $region->specificity > $specificity;
1238 } 1645 }
1239 } 1646 }
1240 1647
1304 my ($self, $merge) = @_; 1711 my ($self, $merge) = @_;
1305 1712
1306 # we have to keep some variables in memory intact 1713 # we have to keep some variables in memory intact
1307 local $self->{path}; 1714 local $self->{path};
1308 local $self->{load_path}; 1715 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1716
1312 $self->SUPER::thawer_merge ($merge); 1717 $self->SUPER::thawer_merge ($merge);
1313} 1718}
1314 1719
1315sub normalise { 1720sub normalise {
1362 $self->init; # pass $1 etc. 1767 $self->init; # pass $1 etc.
1363 return $self; 1768 return $self;
1364 } 1769 }
1365 } 1770 }
1366 1771
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1772 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1773 ()
1369} 1774}
1370 1775
1371sub init { 1776sub init {
1372 my ($self) = @_; 1777 my ($self) = @_;
1415 1820
1416 $_->change_map_light ($change) 1821 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1822 for grep $_->outdoor, values %cf::MAP;
1418} 1823}
1419 1824
1825sub decay_objects {
1826 my ($self) = @_;
1827
1828 return if $self->{deny_reset};
1829
1830 $self->do_decay_objects;
1831}
1832
1420sub unlink_save { 1833sub unlink_save {
1421 my ($self) = @_; 1834 my ($self) = @_;
1422 1835
1423 utf8::encode (my $save = $self->save_path); 1836 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1837 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1840
1428sub load_header_from($) { 1841sub load_header_from($) {
1429 my ($self, $path) = @_; 1842 my ($self, $path) = @_;
1430 1843
1431 utf8::encode $path; 1844 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1845 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1846 or return;
1847
1848 $self->_load_header ($f)
1849 or return;
1850
1851 local $MAP_LOADING{$self->{path}} = $self;
1852 $f->resolve_delayed_derefs;
1437 1853
1438 $self->{load_path} = $path; 1854 $self->{load_path} = $path;
1439 1855
1440 1 1856 1
1441} 1857}
1480 $self->load_header_orig 1896 $self->load_header_orig
1481 or return; 1897 or return;
1482 $self->prepare_orig; 1898 $self->prepare_orig;
1483 } 1899 }
1484 1900
1901 $self->{deny_reset} = 1
1902 if $self->no_reset;
1903
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1904 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1905 unless $self->default_region;
1487 1906
1488 1 1907 1
1489} 1908}
1492sub find { 1911sub find {
1493 my ($path, $origin) = @_; 1912 my ($path, $origin) = @_;
1494 1913
1495 $path = normalise $path, $origin && $origin->path; 1914 $path = normalise $path, $origin && $origin->path;
1496 1915
1916 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1917 cf::lock_wait "map_find:$path";
1498 1918
1499 $cf::MAP{$path} || do { 1919 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path"; 1920 my $guard1 = cf::lock_acquire "map_find:$path";
1921 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1501 my $map = new_from_path cf::map $path 1923 my $map = new_from_path cf::map $path
1502 or return; 1924 or return;
1503 1925
1504 $map->{last_save} = $cf::RUNTIME; 1926 $map->{last_save} = $cf::RUNTIME;
1505 1927
1506 $map->load_header 1928 $map->load_header
1507 or return; 1929 or return;
1508 1930
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1931 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 1932 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 1933 #$cf::WAIT_FOR_TICK->wait;
1934 undef $guard1;
1935 undef $guard2;
1512 $map->reset; 1936 $map->reset;
1513 undef $guard;
1514 return find $path; 1937 return find $path;
1515 } 1938 }
1516 1939
1517 $cf::MAP{$path} = $map 1940 $cf::MAP{$path} = $map
1518 } 1941 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 1950 local $self->{deny_reset} = 1; # loading can take a long time
1528 1951
1529 my $path = $self->{path}; 1952 my $path = $self->{path};
1530 1953
1531 { 1954 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 1955 my $guard = cf::lock_acquire "map_data:$path";
1533 1956
1957 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 1958 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 1959
1536 $self->in_memory (cf::MAP_LOADING); 1960 $self->in_memory (cf::MAP_LOADING);
1537 1961
1538 $self->alloc; 1962 $self->alloc;
1539 1963
1540 $self->pre_load; 1964 $self->pre_load;
1541 Coro::cede; 1965 cf::cede_to_tick;
1542 1966
1967 my $f = new_from_file cf::object::thawer $self->{load_path};
1968 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 1969 $self->_load_objects ($f)
1544 or return; 1970 or return;
1545 1971
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1972 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 1973 if delete $self->{load_original};
1548 1974
1549 if (my $uniq = $self->uniq_path) { 1975 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 1976 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 1977 unless (aio_stat $uniq) {
1978 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 1979 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 1980 $self->_load_objects ($f);
1981 $f->resolve_delayed_derefs;
1982 }
1554 } 1983 }
1555 } 1984 }
1556 1985
1557 Coro::cede; 1986 $f->resolve_delayed_derefs;
1987
1988 cf::cede_to_tick;
1558 # now do the right thing for maps 1989 # now do the right thing for maps
1559 $self->link_multipart_objects; 1990 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 1991 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 1992 unless $self->difficulty;
1562 Coro::cede; 1993 cf::cede_to_tick;
1563 1994
1564 unless ($self->{deny_activate}) { 1995 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 1996 $self->decay_objects;
1566 $self->fix_auto_apply; 1997 $self->fix_auto_apply;
1567 $self->update_buttons; 1998 $self->update_buttons;
1568 Coro::cede; 1999 cf::cede_to_tick;
1569 $self->set_darkness_map; 2000 $self->set_darkness_map;
1570 Coro::cede; 2001 cf::cede_to_tick;
1571 $self->activate; 2002 $self->activate;
1572 } 2003 }
2004
2005 $self->{last_save} = $cf::RUNTIME;
2006 $self->last_access ($cf::RUNTIME);
1573 2007
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2008 $self->in_memory (cf::MAP_IN_MEMORY);
1575 } 2009 }
1576 2010
1577 $self->post_load; 2011 $self->post_load;
1581 my ($self, $ob) = @_; 2015 my ($self, $ob) = @_;
1582 2016
1583 return find "~" . $ob->name . "/" . $self->{path} 2017 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2018 if $self->per_player;
1585 2019
2020# return find "?party/" . $ob->name . "/" . $self->{path}
2021# if $self->per_party;
2022
1586 $self 2023 $self
1587} 2024}
1588 2025
1589# find and load all maps in the 3x3 area around a map 2026# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2027sub load_neighbours {
1591 my ($map) = @_; 2028 my ($map) = @_;
1592 2029
1593 my @diag; # diagonal neighbours 2030 my @neigh; # diagonal neighbours
1594 2031
1595 for (0 .. 3) { 2032 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2033 my $neigh = $map->tile_path ($_)
1597 or next; 2034 or next;
1598 $neigh = find $neigh, $map 2035 $neigh = find $neigh, $map
1599 or next; 2036 or next;
1600 $neigh->load; 2037 $neigh->load;
1601 2038
2039 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2040 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2041 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2042 }
1605 2043
1606 for (@diag) { 2044 for (grep defined $_->[0], @neigh) {
2045 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2046 my $neigh = find $path, $origin
1608 or next; 2047 or next;
1609 $neigh->load; 2048 $neigh->load;
1610 } 2049 }
1611} 2050}
1612 2051
1617} 2056}
1618 2057
1619sub do_load_sync { 2058sub do_load_sync {
1620 my ($map) = @_; 2059 my ($map) = @_;
1621 2060
2061 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2062 if $Coro::current == $Coro::main;
2063
1622 cf::sync_job { $map->load }; 2064 cf::sync_job { $map->load };
1623} 2065}
1624 2066
1625our %MAP_PREFETCH; 2067our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2068our $MAP_PREFETCHER = undef;
1627 2069
1628sub find_async { 2070sub find_async {
1629 my ($path, $origin) = @_; 2071 my ($path, $origin, $load) = @_;
1630 2072
1631 $path = normalise $path, $origin && $origin->{path}; 2073 $path = normalise $path, $origin && $origin->{path};
1632 2074
1633 if (my $map = $cf::MAP{$path}) { 2075 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2076 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1635 } 2077 }
1636 2078
1637 undef $MAP_PREFETCH{$path}; 2079 $MAP_PREFETCH{$path} |= $load;
2080
1638 $MAP_PREFETCHER ||= cf::async { 2081 $MAP_PREFETCHER ||= cf::async {
2082 $Coro::current->{desc} = "map prefetcher";
2083
1639 while (%MAP_PREFETCH) { 2084 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2085 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2086 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2087 $map->load if $v;
2088 }
1644 2089
1645 delete $MAP_PREFETCH{$path}; 2090 delete $MAP_PREFETCH{$k};
1646 } 2091 }
1647 } 2092 }
1648 undef $MAP_PREFETCHER; 2093 undef $MAP_PREFETCHER;
1649 }; 2094 };
1650 $MAP_PREFETCHER->prio (6); 2095 $MAP_PREFETCHER->prio (6);
1653} 2098}
1654 2099
1655sub save { 2100sub save {
1656 my ($self) = @_; 2101 my ($self) = @_;
1657 2102
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2103 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2104
1660 $self->{last_save} = $cf::RUNTIME; 2105 $self->{last_save} = $cf::RUNTIME;
1661 2106
1662 return unless $self->dirty; 2107 return unless $self->dirty;
1663 2108
1669 return if $self->{deny_save}; 2114 return if $self->{deny_save};
1670 2115
1671 local $self->{last_access} = $self->last_access;#d# 2116 local $self->{last_access} = $self->last_access;#d#
1672 2117
1673 cf::async { 2118 cf::async {
2119 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2120 $_->contr->save for $self->players;
1675 }; 2121 };
1676 2122
1677 if ($uniq) { 2123 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2124 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1686 my ($self) = @_; 2132 my ($self) = @_;
1687 2133
1688 # save first because save cedes 2134 # save first because save cedes
1689 $self->save; 2135 $self->save;
1690 2136
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2137 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2138
1693 return if $self->players; 2139 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2140 return if $self->in_memory != cf::MAP_IN_MEMORY;
1695 return if $self->{deny_save}; 2141 return if $self->{deny_save};
1696 2142
2143 $self->in_memory (cf::MAP_SWAPPED);
2144
2145 $self->deactivate;
2146 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2147 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2148}
1700 2149
1701sub reset_at { 2150sub reset_at {
1702 my ($self) = @_; 2151 my ($self) = @_;
1703 2152
1704 # TODO: safety, remove and allow resettable per-player maps 2153 # 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}; 2154 return 1e99 if $self->{deny_reset};
1707 2155
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2156 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2157 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2158
1721 my ($self) = @_; 2169 my ($self) = @_;
1722 2170
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2172
1725 return if $self->players; 2173 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2174
1728 warn "resetting map ", $self->path;#d# 2175 warn "resetting map ", $self->path;
1729 2176
1730 $self->in_memory (cf::MAP_SWAPPED); 2177 $self->in_memory (cf::MAP_SWAPPED);
1731 2178
1732 # need to save uniques path 2179 # need to save uniques path
1733 unless ($self->{deny_save}) { 2180 unless ($self->{deny_save}) {
1737 if $uniq; 2184 if $uniq;
1738 } 2185 }
1739 2186
1740 delete $cf::MAP{$self->path}; 2187 delete $cf::MAP{$self->path};
1741 2188
2189 $self->deactivate;
2190 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2191 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2192
1746 $self->unlink_save; 2193 $self->unlink_save;
1747 $self->destroy; 2194 $self->destroy;
1748} 2195}
1749 2196
1750my $nuke_counter = "aaaa"; 2197my $nuke_counter = "aaaa";
1751 2198
1752sub nuke { 2199sub nuke {
1753 my ($self) = @_; 2200 my ($self) = @_;
1754 2201
2202 {
2203 my $lock = cf::lock_acquire "map_data:$self->{path}";
2204
1755 delete $cf::MAP{$self->path}; 2205 delete $cf::MAP{$self->path};
1756 2206
1757 $self->unlink_save; 2207 $self->unlink_save;
1758 2208
1759 bless $self, "cf::map"; 2209 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2210 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2211 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2212 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2213 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2214
1765 $cf::MAP{$self->path} = $self; 2215 $cf::MAP{$self->path} = $self;
2216 }
1766 2217
1767 $self->reset; # polite request, might not happen 2218 $self->reset; # polite request, might not happen
2219}
2220
2221=item $maps = cf::map::tmp_maps
2222
2223Returns an arrayref with all map paths of currently instantiated and saved
2224maps. May block.
2225
2226=cut
2227
2228sub tmp_maps() {
2229 [
2230 map {
2231 utf8::decode $_;
2232 /\.map$/
2233 ? normalise $_
2234 : ()
2235 } @{ aio_readdir $TMPDIR or [] }
2236 ]
2237}
2238
2239=item $maps = cf::map::random_maps
2240
2241Returns an arrayref with all map paths of currently instantiated and saved
2242random maps. May block.
2243
2244=cut
2245
2246sub random_maps() {
2247 [
2248 map {
2249 utf8::decode $_;
2250 /\.map$/
2251 ? normalise "?random/$_"
2252 : ()
2253 } @{ aio_readdir $RANDOMDIR or [] }
2254 ]
1768} 2255}
1769 2256
1770=item cf::map::unique_maps 2257=item cf::map::unique_maps
1771 2258
1772Returns an arrayref of paths of all shared maps that have 2259Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2260instantiated unique items. May block.
1774 2261
1775=cut 2262=cut
1776 2263
1777sub unique_maps() { 2264sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2265 [
1779 or return; 2266 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2267 utf8::decode $_;
1785 next if /\.pst$/; 2268 /\.map$/
1786 next unless /^$PATH_SEP/o; 2269 ? normalise $_
1787 2270 : ()
1788 push @paths, cf::map::normalise $_; 2271 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2272 ]
1790
1791 \@paths
1792} 2273}
1793 2274
1794package cf; 2275package cf;
1795 2276
1796=back 2277=back
1814 map { $_, inv_recursive_ $_->inv } @_ 2295 map { $_, inv_recursive_ $_->inv } @_
1815} 2296}
1816 2297
1817sub inv_recursive { 2298sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2299 inv_recursive_ inv $_[0]
2300}
2301
2302=item $ref = $ob->ref
2303
2304creates and returns a persistent reference to an objetc that can be stored as a string.
2305
2306=item $ob = cf::object::deref ($refstring)
2307
2308returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309even if the object actually exists. May block.
2310
2311=cut
2312
2313sub deref {
2314 my ($ref) = @_;
2315
2316 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2317 my ($uuid, $name) = ($1, $2);
2318 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2319 or return;
2320 $pl->ob->uuid eq $uuid
2321 or return;
2322
2323 $pl->ob
2324 } else {
2325 warn "$ref: cannot resolve object reference\n";
2326 undef
2327 }
1819} 2328}
1820 2329
1821package cf; 2330package cf;
1822 2331
1823=back 2332=back
1842 2351
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2352 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2353
1845 if ($self->{record_replies}) { 2354 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2355 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2356
1847 } else { 2357 } else {
2358 my $pl = $self->contr;
2359
2360 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2361 my $dialog = $pl->{npc_dialog};
2362 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363
2364 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2365 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2366 $self->message ($msg, $flags);
2367 }
1850 } 2368 }
2369}
2370
2371=item $object->send_msg ($channel, $msg, $color, [extra...])
2372
2373=cut
2374
2375sub cf::object::send_msg {
2376 my $pl = shift->contr
2377 or return;
2378 $pl->send_msg (@_);
1851} 2379}
1852 2380
1853=item $player_object->may ("access") 2381=item $player_object->may ("access")
1854 2382
1855Returns wether the given player is authorized to access resource "access" 2383Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2462 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2463 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2464 if $x <=0 && $y <= 0;
1937 2465
1938 $map->load; 2466 $map->load;
1939 $map->load_diag; 2467 $map->load_neighbours;
1940 2468
1941 return unless $self->contr->active; 2469 return unless $self->contr->active;
1942 $self->activate_recursive; 2470 $self->activate_recursive;
1943 2471
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2472 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2473 $self->enter_map ($map, $x, $y);
1946} 2474}
1947 2475
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2476=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2477
1950Moves the player to the given map-path and coordinates by first freezing 2478Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2479her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2480that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2481the new (success) or old (failed) map position. In either case, $done will
2482be called at the end of this process.
1954 2483
1955=cut 2484=cut
1956 2485
1957our $GOTOGEN; 2486our $GOTOGEN;
1958 2487
1959sub cf::object::player::goto { 2488sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2489 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2490
1962 # do generation counting so two concurrent goto's will be executed in-order 2491 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2492 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2493
1965 $self->enter_link; 2494 $self->enter_link;
1966 2495
1967 (async { 2496 (async {
2497 $Coro::current->{desc} = "player::goto $path $x $y";
2498
2499 # *tag paths override both path and x|y
2500 if ($path =~ /^\*(.*)$/) {
2501 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2502 my $ob = $obs[rand @obs];
2503
2504 # see if we actually can go there
2505 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2506 $ob = $obs[rand @obs];
2507 } else {
2508 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2509 }
2510 # else put us there anyways for now #d#
2511
2512 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2513 } else {
2514 ($path, $x, $y) = (undef, undef, undef);
2515 }
2516 }
2517
1968 my $map = eval { 2518 my $map = eval {
1969 my $map = cf::map::find $path; 2519 my $map = defined $path ? cf::map::find $path : undef;
1970 2520
1971 if ($map) { 2521 if ($map) {
1972 $map = $map->customise_for ($self); 2522 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2523 $map = $check->($map) if $check && $map;
1974 } else { 2524 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2525 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2526 }
1977 2527
1978 $map 2528 $map
1979 }; 2529 };
1980 2530
1985 2535
1986 if ($gen == $self->{_goto_generation}) { 2536 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2537 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2538 $self->leave_link ($map, $x, $y);
1989 } 2539 }
2540
2541 $done->() if $done;
1990 })->prio (1); 2542 })->prio (1);
1991} 2543}
1992 2544
1993=item $player_object->enter_exit ($exit_object) 2545=item $player_object->enter_exit ($exit_object)
1994 2546
2063 my $hp = $exit->stats->hp; 2615 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp; 2616 my $sp = $exit->stats->sp;
2065 2617
2066 $self->enter_link; 2618 $self->enter_link;
2067 2619
2620 # if exit is damned, update players death & WoR home-position
2621 $self->contr->savebed ($slaying, $hp, $sp)
2622 if $exit->flag (FLAG_DAMNED);
2623
2068 (async { 2624 (async {
2625 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2626
2069 $self->deactivate_recursive; # just to be sure 2627 $self->deactivate_recursive; # just to be sure
2070 unless (eval { 2628 unless (eval {
2071 $self->goto ($slaying, $hp, $sp); 2629 $self->goto ($slaying, $hp, $sp);
2072 2630
2073 1; 2631 1;
2099 2657
2100 utf8::encode $text; 2658 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2659 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2660}
2103 2661
2662=item $client->send_msg ($channel, $msg, $color, [extra...])
2663
2664Send a drawinfo or msg packet to the client, formatting the msg for the
2665client if neccessary. C<$type> should be a string identifying the type of
2666the message, with C<log> being the default. If C<$color> is negative, suppress
2667the message unless the client supports the msg packet.
2668
2669=cut
2670
2671our %CHANNEL = (
2672 "c/identify" => {
2673 id => "infobox",
2674 title => "Identify",
2675 reply => undef,
2676 tooltip => "Items recently identified",
2677 },
2678 "c/examine" => {
2679 id => "infobox",
2680 title => "Examine",
2681 reply => undef,
2682 tooltip => "Signs and other items you examined",
2683 },
2684 "c/book" => {
2685 id => "infobox",
2686 title => "Book",
2687 reply => undef,
2688 tooltip => "The contents of a note or book",
2689 },
2690 "c/lookat" => {
2691 id => "infobox",
2692 title => "Look",
2693 reply => undef,
2694 tooltip => "What you saw there",
2695 },
2696 "c/who" => {
2697 id => "infobox",
2698 title => "Players",
2699 reply => undef,
2700 tooltip => "Shows players who are currently online",
2701 },
2702 "c/body" => {
2703 id => "infobox",
2704 title => "Body Parts",
2705 reply => undef,
2706 tooltip => "Shows which body parts you posess and are available",
2707 },
2708 "c/uptime" => {
2709 id => "infobox",
2710 title => "Uptime",
2711 reply => undef,
2712 tooltip => "How long the server has been running sicne last restart",
2713 },
2714 "c/mapinfo" => {
2715 id => "infobox",
2716 title => "Map Info",
2717 reply => undef,
2718 tooltip => "Information related to the maps",
2719 },
2720);
2721
2722sub cf::client::send_msg {
2723 my ($self, $channel, $msg, $color, @extra) = @_;
2724
2725 $msg = $self->pl->expand_cfpod ($msg);
2726
2727 $color &= cf::NDI_CLIENT_MASK; # just in case...
2728
2729 # check predefined channels, for the benefit of C
2730 if ($CHANNEL{$channel}) {
2731 $channel = $CHANNEL{$channel};
2732
2733 $self->ext_msg (channel_info => $channel)
2734 if $self->can_msg;
2735
2736 $channel = $channel->{id};
2737
2738 } elsif (ref $channel) {
2739 # send meta info to client, if not yet sent
2740 unless (exists $self->{channel}{$channel->{id}}) {
2741 $self->{channel}{$channel->{id}} = $channel;
2742 $self->ext_msg (channel_info => $channel)
2743 if $self->can_msg;
2744 }
2745
2746 $channel = $channel->{id};
2747 }
2748
2749 return unless @extra || length $msg;
2750
2751 if ($self->can_msg) {
2752 # default colour, mask it out
2753 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2754 if $color & cf::NDI_DEF;
2755
2756 $self->send_packet ("msg " . $self->{json_coder}->encode (
2757 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2758 } else {
2759 if ($color >= 0) {
2760 # replace some tags by gcfclient-compatible ones
2761 for ($msg) {
2762 1 while
2763 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2764 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2765 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2766 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2767 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2768 }
2769
2770 $color &= cf::NDI_COLOR_MASK;
2771
2772 utf8::encode $msg;
2773
2774 if (0 && $msg =~ /\[/) {
2775 # COMMAND/INFO
2776 $self->send_packet ("drawextinfo $color 10 8 $msg")
2777 } else {
2778 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2779 $self->send_packet ("drawinfo $color $msg")
2780 }
2781 }
2782 }
2783}
2784
2104=item $client->ext_event ($type, %msg) 2785=item $client->ext_msg ($type, @msg)
2105 2786
2106Sends an exti event to the client. 2787Sends an ext event to the client.
2107 2788
2108=cut 2789=cut
2109 2790
2110sub cf::client::ext_event($$%) { 2791sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2792 my ($self, $type, @msg) = @_;
2112 2793
2794 if ($self->extcmd == 2) {
2795 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2796 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2797 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2798 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2799 }
2800}
2801
2802=item $client->ext_reply ($msgid, @msg)
2803
2804Sends an ext reply to the client.
2805
2806=cut
2807
2808sub cf::client::ext_reply($$@) {
2809 my ($self, $id, @msg) = @_;
2810
2811 if ($self->extcmd == 2) {
2812 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2813 } elsif ($self->extcmd == 1) {
2814 #TODO: version 1, remove
2815 unshift @msg, msgtype => "reply", msgid => $id;
2816 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2817 }
2115} 2818}
2116 2819
2117=item $success = $client->query ($flags, "text", \&cb) 2820=item $success = $client->query ($flags, "text", \&cb)
2118 2821
2119Queues a query to the client, calling the given callback with 2822Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2823the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2824C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2825
2123Queries can fail, so check the return code. Or don't, as queries will become 2826Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2827become reliable at some point in the future.
2125 2828
2126=cut 2829=cut
2127 2830
2128sub cf::client::query { 2831sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2832 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2840 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2841 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2842
2140 $self->send_packet ($self->{query_queue}[0][0]) 2843 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2844 if @{ $self->{query_queue} } == 1;
2845
2846 1
2142} 2847}
2143 2848
2144cf::client->attach ( 2849cf::client->attach (
2850 on_connect => sub {
2851 my ($ns) = @_;
2852
2853 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2854 },
2145 on_reply => sub { 2855 on_reply => sub {
2146 my ($ns, $msg) = @_; 2856 my ($ns, $msg) = @_;
2147 2857
2148 # this weird shuffling is so that direct followup queries 2858 # this weird shuffling is so that direct followup queries
2149 # get handled first 2859 # get handled first
2161 } else { 2871 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2872 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 2873 }
2164 } 2874 }
2165 }, 2875 },
2876 on_exticmd => sub {
2877 my ($ns, $buf) = @_;
2878
2879 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2880
2881 if (ref $msg) {
2882 my ($type, $reply, @payload) =
2883 "ARRAY" eq ref $msg
2884 ? @$msg
2885 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2886
2887 my @reply;
2888
2889 if (my $cb = $EXTICMD{$type}) {
2890 @reply = $cb->($ns, @payload);
2891 }
2892
2893 $ns->ext_reply ($reply, @reply)
2894 if $reply;
2895
2896 } else {
2897 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2898 }
2899
2900 cf::override;
2901 },
2166); 2902);
2167 2903
2168=item $client->async (\&cb) 2904=item $client->async (\&cb)
2169 2905
2170Create a new coroutine, running the specified callback. The coroutine will 2906Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 2947our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 2948our $safe_hole = new Safe::Hole;
2213 2949
2214$SIG{FPE} = 'IGNORE'; 2950$SIG{FPE} = 'IGNORE';
2215 2951
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2952$safe->permit_only (Opcode::opset qw(
2953 :base_core :base_mem :base_orig :base_math
2954 grepstart grepwhile mapstart mapwhile
2955 sort time
2956));
2217 2957
2218# here we export the classes and methods available to script code 2958# here we export the classes and methods available to script code
2219 2959
2220=pod 2960=pod
2221 2961
2222The following functions and methods are available within a safe environment: 2962The following functions and methods are available within a safe environment:
2223 2963
2224 cf::object contr pay_amount pay_player map 2964 cf::object
2965 contr pay_amount pay_player map x y force_find force_add destroy
2966 insert remove name archname title slaying race decrease_ob_nr
2967
2225 cf::object::player player 2968 cf::object::player
2226 cf::player peaceful 2969 player
2227 cf::map trigger 2970
2971 cf::player
2972 peaceful
2973
2974 cf::map
2975 trigger
2228 2976
2229=cut 2977=cut
2230 2978
2231for ( 2979for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 2980 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2981 insert remove inv name archname title slaying race
2982 decrease_ob_nr destroy)],
2233 ["cf::object::player" => qw(player)], 2983 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 2984 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 2985 ["cf::map" => qw(trigger)],
2236) { 2986) {
2237 no strict 'refs'; 2987 no strict 'refs';
2308=back 3058=back
2309 3059
2310=cut 3060=cut
2311 3061
2312############################################################################# 3062#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3063# the server's init and main functions
2486 3064
2487sub load_facedata($) { 3065sub load_facedata($) {
2488 my ($path) = @_; 3066 my ($path) = @_;
3067
3068 # HACK to clear player env face cache, we need some signal framework
3069 # for this (global event?)
3070 %ext::player_env::MUSIC_FACE_CACHE = ();
3071
3072 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3073
2490 warn "loading facedata from $path\n"; 3074 warn "loading facedata from $path\n";
2491 3075
2492 my $facedata; 3076 my $facedata;
2493 0 < aio_load $path, $facedata 3077 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3080 $facedata = Coro::Storable::thaw $facedata;
2497 3081
2498 $facedata->{version} == 2 3082 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3083 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3084
3085 # patch in the exptable
3086 $facedata->{resource}{"res/exp_table"} = {
3087 type => FT_RSRC,
3088 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3089 };
3090 cf::cede_to_tick;
3091
2501 { 3092 {
2502 my $faces = $facedata->{faceinfo}; 3093 my $faces = $facedata->{faceinfo};
2503 3094
2504 while (my ($face, $info) = each %$faces) { 3095 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3096 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3097 cf::face::set_visibility $idx, $info->{visibility};
3098 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3099 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3100 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3101
3102 cf::cede_to_tick;
2510 } 3103 }
2511 3104
2512 while (my ($face, $info) = each %$faces) { 3105 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3106 next unless $info->{smooth};
2514 my $idx = cf::face::find $face 3107 my $idx = cf::face::find $face
2515 or next; 3108 or next;
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3109 if (my $smooth = cf::face::find $info->{smooth}) {
3110 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3111 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3112 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3113 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3114 }
2521 Coro::cede; 3115
3116 cf::cede_to_tick;
2522 } 3117 }
2523 } 3118 }
2524 3119
2525 { 3120 {
2526 my $anims = $facedata->{animinfo}; 3121 my $anims = $facedata->{animinfo};
2527 3122
2528 while (my ($anim, $info) = each %$anims) { 3123 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3124 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3125 cf::cede_to_tick;
2531 } 3126 }
2532 3127
2533 cf::anim::invalidate_all; # d'oh 3128 cf::anim::invalidate_all; # d'oh
2534 } 3129 }
2535 3130
3131 {
3132 # TODO: for gcfclient pleasure, we should give resources
3133 # that gcfclient doesn't grok a >10000 face index.
3134 my $res = $facedata->{resource};
3135
3136 my $soundconf = delete $res->{"res/sound.conf"};
3137
3138 while (my ($name, $info) = each %$res) {
3139 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3140 my $data;
3141
3142 if ($info->{type} & 1) {
3143 # prepend meta info
3144
3145 my $meta = $enc->encode ({
3146 name => $name,
3147 %{ $info->{meta} || {} },
3148 });
3149
3150 $data = pack "(w/a*)*", $meta, $info->{data};
3151 } else {
3152 $data = $info->{data};
3153 }
3154
3155 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3156 cf::face::set_type $idx, $info->{type};
3157
3158 cf::cede_to_tick;
3159 }
3160
3161 if ($soundconf) {
3162 $soundconf = $enc->decode (delete $soundconf->{data});
3163
3164 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3165 my $sound = $soundconf->{compat}[$_]
3166 or next;
3167
3168 my $face = cf::face::find "sound/$sound->[1]";
3169 cf::sound::set $sound->[0] => $face;
3170 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3171 }
3172
3173 while (my ($k, $v) = each %{$soundconf->{event}}) {
3174 my $face = cf::face::find "sound/$v";
3175 cf::sound::set $k => $face;
3176 }
3177 }
3178 }
3179
2536 1 3180 1
2537} 3181}
2538 3182
3183register_exticmd fx_want => sub {
3184 my ($ns, $want) = @_;
3185
3186 while (my ($k, $v) = each %$want) {
3187 $ns->fx_want ($k, $v);
3188 }
3189};
3190
2539sub reload_regions { 3191sub reload_regions {
3192 # HACK to clear player env face cache, we need some signal framework
3193 # for this (global event?)
3194 %ext::player_env::MUSIC_FACE_CACHE = ();
3195
2540 load_resource_file "$MAPDIR/regions" 3196 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3197 or die "unable to load regions file\n";
3198
3199 for (cf::region::list) {
3200 $_->{match} = qr/$_->{match}/
3201 if exists $_->{match};
3202 }
2542} 3203}
2543 3204
2544sub reload_facedata { 3205sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3206 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3207 or die "unable to load facedata\n";
2547} 3208}
2548 3209
2549sub reload_archetypes { 3210sub reload_archetypes {
2550 load_resource_file "$DATADIR/archetypes" 3211 load_resource_file "$DATADIR/archetypes"
2551 or die "unable to load archetypes\n"; 3212 or die "unable to load archetypes\n";
3213 #d# NEED to laod twice to resolve forward references
3214 # this really needs to be done in an extra post-pass
3215 # (which needs to be synchronous, so solve it differently)
3216 load_resource_file "$DATADIR/archetypes"
3217 or die "unable to load archetypes\n";
2552} 3218}
2553 3219
2554sub reload_treasures { 3220sub reload_treasures {
2555 load_resource_file "$DATADIR/treasures" 3221 load_resource_file "$DATADIR/treasures"
2556 or die "unable to load treasurelists\n"; 3222 or die "unable to load treasurelists\n";
2559sub reload_resources { 3225sub reload_resources {
2560 warn "reloading resource files...\n"; 3226 warn "reloading resource files...\n";
2561 3227
2562 reload_regions; 3228 reload_regions;
2563 reload_facedata; 3229 reload_facedata;
3230 #reload_archetypes;#d#
2564 reload_archetypes; 3231 reload_archetypes;
2565 reload_treasures; 3232 reload_treasures;
2566 3233
2567 warn "finished reloading resource files\n"; 3234 warn "finished reloading resource files\n";
2568} 3235}
2569 3236
2570sub init { 3237sub init {
2571 reload_resources; 3238 reload_resources;
2572} 3239}
2573 3240
2574sub cfg_load { 3241sub reload_config {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3242 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3243 or return;
2577 3244
2578 local $/; 3245 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3246 *CFG = YAML::Syck::Load <$fh>;
2595sub main { 3262sub main {
2596 # we must not ever block the main coroutine 3263 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3264 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3265 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3266 (async {
3267 $Coro::current->{desc} = "IDLE BUG HANDLER";
2600 Event::one_event; 3268 Event::one_event;
2601 })->prio (Coro::PRIO_MAX); 3269 })->prio (Coro::PRIO_MAX);
2602 }; 3270 };
2603 3271
2604 cfg_load; 3272 reload_config;
2605 db_init; 3273 db_init;
2606 load_extensions; 3274 load_extensions;
2607 3275
2608 $TICK_WATCHER->start; 3276 $TICK_WATCHER->start;
2609 Event::loop; 3277 Event::loop;
2625 }, 3293 },
2626 ); 3294 );
2627 } 3295 }
2628} 3296}
2629 3297
3298sub write_runtime {
3299 my $runtime = "$LOCALDIR/runtime";
3300
3301 # first touch the runtime file to show we are still running:
3302 # the fsync below can take a very very long time.
3303
3304 IO::AIO::aio_utime $runtime, undef, undef;
3305
3306 my $guard = cf::lock_acquire "write_runtime";
3307
3308 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3309 or return;
3310
3311 my $value = $cf::RUNTIME + 90 + 10;
3312 # 10 is the runtime save interval, for a monotonic clock
3313 # 60 allows for the watchdog to kill the server.
3314
3315 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3316 and return;
3317
3318 # always fsync - this file is important
3319 aio_fsync $fh
3320 and return;
3321
3322 # touch it again to show we are up-to-date
3323 aio_utime $fh, undef, undef;
3324
3325 close $fh
3326 or return;
3327
3328 aio_rename "$runtime~", $runtime
3329 and return;
3330
3331 warn "runtime file written.\n";
3332
3333 1
3334}
3335
2630sub emergency_save() { 3336sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3337 my $freeze_guard = cf::freeze_mainloop;
2632 3338
2633 warn "enter emergency perl save\n"; 3339 warn "enter emergency perl save\n";
2634 3340
2638 # and maps saved/destroyed asynchronously. 3344 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3345 warn "begin emergency player save\n";
2640 for my $login (keys %cf::PLAYER) { 3346 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3347 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3348 $pl->valid or next;
3349 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3350 $pl->save;
2644 } 3351 }
2645 warn "end emergency player save\n"; 3352 warn "end emergency player save\n";
2646 3353
2647 warn "begin emergency map save\n"; 3354 warn "begin emergency map save\n";
2695 3402
2696 warn "flushing outstanding aio requests"; 3403 warn "flushing outstanding aio requests";
2697 for (;;) { 3404 for (;;) {
2698 BDB::flush; 3405 BDB::flush;
2699 IO::AIO::flush; 3406 IO::AIO::flush;
2700 Coro::cede; 3407 Coro::cede_notself;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3408 last unless IO::AIO::nreqs || BDB::nreqs;
2702 warn "iterate..."; 3409 warn "iterate...";
2703 } 3410 }
2704 3411
2705 ++$RELOAD; 3412 ++$RELOAD;
2709 %EXT_CORO = (); 3416 %EXT_CORO = ();
2710 3417
2711 warn "removing commands"; 3418 warn "removing commands";
2712 %COMMAND = (); 3419 %COMMAND = ();
2713 3420
2714 warn "removing ext commands"; 3421 warn "removing ext/exti commands";
2715 %EXTCMD = (); 3422 %EXTCMD = ();
3423 %EXTICMD = ();
2716 3424
2717 warn "unloading/nuking all extensions"; 3425 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) { 3426 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg"; 3427 warn "... unloading $pkg";
2720 3428
2763 warn "reloading cf.pm"; 3471 warn "reloading cf.pm";
2764 require cf; 3472 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3473 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3474
2767 warn "loading config and database again"; 3475 warn "loading config and database again";
2768 cf::cfg_load; 3476 cf::reload_config;
2769 3477
2770 warn "loading extensions"; 3478 warn "loading extensions";
2771 cf::load_extensions; 3479 cf::load_extensions;
2772 3480
2773 warn "reattaching attachments to objects/players"; 3481 warn "reattaching attachments to objects/players";
2809register_command "reload" => sub { 3517register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3518 my ($who, $arg) = @_;
2811 3519
2812 if ($who->flag (FLAG_WIZ)) { 3520 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3521 $who->message ("reloading server.");
3522 async {
3523 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3524 reload_perl;
3525 };
2815 } 3526 }
2816}; 3527};
2817 3528
2818unshift @INC, $LIBDIR; 3529unshift @INC, $LIBDIR;
2819 3530
2838 my $signal = new Coro::Signal; 3549 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3550 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3551 $signal->wait;
2841} 3552}
2842 3553
2843 my $min = 1e6;#d#
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer ( 3554$TICK_WATCHER = Event->timer (
2846 reentrant => 0, 3555 reentrant => 0,
2847 parked => 1, 3556 parked => 1,
2848 prio => 0, 3557 prio => 0,
2849 at => $NEXT_TICK || $TICK, 3558 at => $NEXT_TICK || $TICK,
2857 3566
2858 $NOW = $tick_start = Event::time; 3567 $NOW = $tick_start = Event::time;
2859 3568
2860 cf::server_tick; # one server iteration 3569 cf::server_tick; # one server iteration
2861 3570
2862 0 && sync_job {#d#
2863 for(1..10) {
2864 my $t = Event::time;
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866 or die;
2867
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 };
2884
2885 $RUNTIME += $TICK; 3571 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK; 3572 $NEXT_TICK += $TICK;
2887 3573
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3574 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10; 3575 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool { 3576 Coro::async_pool {
3577 $Coro::current->{desc} = "runtime saver";
2891 write_runtime 3578 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!"; 3579 or warn "ERROR: unable to write runtime file: $!";
2893 }; 3580 };
2894 } 3581 }
2895 3582
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3583 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3584 $sig->send;
2901 } 3585 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3586 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3587 $sig->send;
2913 3597
2914 $LOAD = ($NOW - $tick_start) / $TICK; 3598 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3599 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3600
2917 _post_tick; 3601 _post_tick;
2918
2919
2920 }, 3602 },
2921); 3603);
2922 3604
2923{ 3605{
3606 BDB::min_parallel 8;
2924 BDB::max_poll_time $TICK * 0.1; 3607 BDB::max_poll_time $TICK * 0.1;
2925 $BDB_POLL_WATCHER = Event->io ( 3608 $BDB_POLL_WATCHER = Event->io (
2926 reentrant => 0, 3609 reentrant => 0,
2927 fd => BDB::poll_fileno, 3610 fd => BDB::poll_fileno,
2928 poll => 'r', 3611 poll => 'r',
2929 prio => 0, 3612 prio => 0,
2930 data => WF_AUTOCANCEL, 3613 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb, 3614 cb => \&BDB::poll_cb,
2932 ); 3615 );
2933 BDB::min_parallel 8;
2934 3616
2935 BDB::set_sync_prepare { 3617 BDB::set_sync_prepare {
2936 my $status; 3618 my $status;
2937 my $current = $Coro::current; 3619 my $current = $Coro::current;
2938 ( 3620 (
2947 ) 3629 )
2948 }; 3630 };
2949 3631
2950 unless ($DB_ENV) { 3632 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3633 $DB_ENV = BDB::db_env_create;
3634 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3635 | BDB::LOG_AUTOREMOVE, 1);
3636 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3637 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3638
2953 cf::sync_job { 3639 cf::sync_job {
2954 eval { 3640 eval {
2955 BDB::db_env_open 3641 BDB::db_env_open
2956 $DB_ENV, 3642 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3644 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3645 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3646 0666;
2961 3647
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3648 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3649 };
2967 3650
2968 cf::cleanup "db_env_open(db): $@" if $@; 3651 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3652 };
2970 } 3653 }
3654
3655 $BDB_DEADLOCK_WATCHER = Event->timer (
3656 after => 3,
3657 interval => 1,
3658 hard => 1,
3659 prio => 0,
3660 data => WF_AUTOCANCEL,
3661 cb => sub {
3662 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3663 },
3664 );
3665 $BDB_CHECKPOINT_WATCHER = Event->timer (
3666 after => 11,
3667 interval => 60,
3668 hard => 1,
3669 prio => 0,
3670 data => WF_AUTOCANCEL,
3671 cb => sub {
3672 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3673 },
3674 );
3675 $BDB_TRICKLE_WATCHER = Event->timer (
3676 after => 5,
3677 interval => 10,
3678 hard => 1,
3679 prio => 0,
3680 data => WF_AUTOCANCEL,
3681 cb => sub {
3682 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683 },
3684 );
2971} 3685}
2972 3686
2973{ 3687{
2974 IO::AIO::min_parallel 8; 3688 IO::AIO::min_parallel 8;
2975 3689
2978 $AIO_POLL_WATCHER = Event->io ( 3692 $AIO_POLL_WATCHER = Event->io (
2979 reentrant => 0, 3693 reentrant => 0,
2980 data => WF_AUTOCANCEL, 3694 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno, 3695 fd => IO::AIO::poll_fileno,
2982 poll => 'r', 3696 poll => 'r',
2983 prio => 6, 3697 prio => 0,
2984 cb => \&IO::AIO::poll_cb, 3698 cb => \&IO::AIO::poll_cb,
2985 ); 3699 );
2986} 3700}
2987 3701
2988my $_log_backtrace; 3702my $_log_backtrace;
2994 3708
2995 # limit the # of concurrent backtraces 3709 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3710 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3711 ++$_log_backtrace;
2998 async { 3712 async {
3713 $Coro::current->{desc} = "abt $msg";
3714
2999 my @bt = fork_call { 3715 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3716 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3717 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3718 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3719 or die "addr2line: $!";

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