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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.64 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
24use Coro::Util (); 46use Coro::Util ();
25 47
26use JSON::XS 1.4 (); 48use JSON::XS 2.01 ();
27use BDB (); 49use BDB ();
28use Data::Dumper; 50use Data::Dumper;
29use Digest::MD5; 51use Digest::MD5;
30use Fcntl; 52use Fcntl;
31use YAML::Syck (); 53use YAML ();
32use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
33use Time::HiRes; 55use Time::HiRes;
34use Compress::LZF; 56use Compress::LZF;
35use Digest::MD5 (); 57use Digest::MD5 ();
36 58
37# configure various modules to our taste 59# configure various modules to our taste
38# 60#
39$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47 64
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 66
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 68
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
75 93
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 97our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
83 99
84our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 104our $DB_ENV;
86 105
87our %CFG; 106our %CFG;
88 107
89our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 109our $RUNTIME;
110our $NOW;
91 111
92our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
95 115
96# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 118
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
102 123
103binmode STDOUT; 124binmode STDOUT;
104binmode STDERR; 125binmode STDERR;
105 126
106# read virtual server time, if available 127# read virtual server time, if available
159 180
160The raw value load value from the last tick. 181The raw value load value from the last tick.
161 182
162=item %cf::CFG 183=item %cf::CFG
163 184
164Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 186from wherever your confdir points to.
166 187
167=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
168 189
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 208 $msg .= "\n"
188 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
189 210
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 212
192 utf8::encode $msg;
193 LOG llevError, $msg; 213 LOG llevError, $msg;
194 }; 214 };
195} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
196 231
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
213)) { 248)) {
214 no strict 'refs'; 249 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 251}
217 252
218$Event::DIED = sub { 253$EV::DIED = sub {
219 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
220}; 255};
221 256
222############################################################################# 257#############################################################################
223 258
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 282 $d
248 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
249} 284}
250 285
251=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
252 287
253Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
254 289
255=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
256 291
257Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
258 293
259=cut 294=cut
260 295
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 297
263sub to_json ($) { $json_coder->encode ($_[0]) } 298sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 299sub decode_json($) { $json_coder->decode ($_[0]) }
265 300
266=item cf::lock_wait $string 301=item cf::lock_wait $string
267 302
268Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
269 304
272Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
273a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
275returned. 310returned.
276 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
277Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
278uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
279 317
280=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
281 319
282Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
283 321
284=cut 322=cut
285 323
286our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
287 326
288sub lock_wait($) { 327sub lock_wait($) {
289 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
290 334
291 # wait for lock, if any 335 # wait for lock, if any
292 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
293 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
294 Coro::schedule; 338 Coro::schedule;
300 344
301 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
302 lock_wait $key; 346 lock_wait $key;
303 347
304 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
305 350
306 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
307 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
308 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
309 } 355 }
310} 356}
311 357
314 360
315 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
316} 362}
317 363
318sub freeze_mainloop { 364sub freeze_mainloop {
319 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
320 366
321 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
322 $TICK_WATCHER->start; 368}
323 }; 369
324 $TICK_WATCHER->stop; 370=item cf::periodic $interval, $cb
325 $guard 371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
326} 383}
327 384
328=item cf::get_slot $time[, $priority[, $name]] 385=item cf::get_slot $time[, $priority[, $name]]
329 386
330Allocate $time seconds of blocking CPU time at priority C<$priority>: 387Allocate $time seconds of blocking CPU time at priority C<$priority>:
341our @SLOT_QUEUE; 398our @SLOT_QUEUE;
342our $SLOT_QUEUE; 399our $SLOT_QUEUE;
343 400
344$SLOT_QUEUE->cancel if $SLOT_QUEUE; 401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async { 402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
346 my $signal = new Coro::Signal; 405 my $signal = new Coro::Signal;
347 406
348 while () { 407 while () {
349 next_job: 408 next_job:
350 my $avail = cf::till_tick; 409 my $avail = cf::till_tick;
358 } 417 }
359 } 418 }
360 } 419 }
361 420
362 if (@SLOT_QUEUE) { 421 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive 422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal; 423 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait; 424 $signal->wait;
366 } else { 425 } else {
367 Coro::schedule; 426 Coro::schedule;
368 } 427 }
391 450
392BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
393 452
394=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
395 454
396The design of Crossfire TRT requires that the main coroutine ($Coro::main) 455The design of Deliantra requires that the main coroutine ($Coro::main)
397is always able to handle events or runnable, as Crossfire TRT is only 456is always able to handle events or runnable, as Deliantra is only
398partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable. 458acceptable.
400 459
401If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
402the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
407 466
408sub sync_job(&) { 467sub sync_job(&) {
409 my ($job) = @_; 468 my ($job) = @_;
410 469
411 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
412 my $time = Event::time; 471 my $time = EV::time;
413 472
414 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
415 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
416 475
417 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
418 # (but this is cancel-safe) 477
419 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
420 479
421 my $busy = 1; 480 my $busy = 1;
422 my @res; 481 my @res;
423 482
424 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
425 @res = eval { $job->() }; 485 @res = eval { $job->() };
426 warn $@ if $@; 486 warn $@ if $@;
427 undef $busy; 487 undef $busy;
428 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
429 489
430 while ($busy) { 490 while ($busy) {
431 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
432 } 495 }
496 }
433 497
434 $time = Event::time - $time; 498 my $time = EV::time - $time;
435 499
436 LOG llevError | logBacktrace, Carp::longmess "long sync job"
437 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
440 501
441 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
442 } else { 503 } else {
443 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
444 505
469=item fork_call { }, $args 530=item fork_call { }, $args
470 531
471Executes the given code block with the given arguments in a seperate 532Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with 533process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may 534Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling. 535never block itself or use any form of event handling.
475 536
476=cut 537=cut
477 538
478sub fork_call(&@) { 539sub fork_call(&@) {
479 my ($cb, @args) = @_; 540 my ($cb, @args) = @_;
480 541
481 # we seemingly have to make a local copy of the whole thing, 542 # we seemingly have to make a local copy of the whole thing,
482 # otherwise perl prematurely frees the stuff :/ 543 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious) 544 # TODO: investigate and fix (likely this will be rather laborious)
484 545
485 my @res = Coro::Util::fork_eval { 546 my @res = Coro::Util::fork_eval {
486 reset_signals; 547 reset_signals;
487 &$cb 548 &$cb
488 }, @args; 549 }, @args;
489 550
490 wantarray ? @res : $res[-1] 551 wantarray ? @res : $res[-1]
491} 552}
492 553
554=item $coin = coin_from_name $name
555
556=cut
557
558our %coin_alias = (
559 "silver" => "silvercoin",
560 "silvercoin" => "silvercoin",
561 "silvercoins" => "silvercoin",
562 "gold" => "goldcoin",
563 "goldcoin" => "goldcoin",
564 "goldcoins" => "goldcoin",
565 "platinum" => "platinacoin",
566 "platinumcoin" => "platinacoin",
567 "platinumcoins" => "platinacoin",
568 "platina" => "platinacoin",
569 "platinacoin" => "platinacoin",
570 "platinacoins" => "platinacoin",
571 "royalty" => "royalty",
572 "royalties" => "royalty",
573);
574
575sub coin_from_name($) {
576 $coin_alias{$_[0]}
577 ? cf::arch::find $coin_alias{$_[0]}
578 : undef
579}
580
493=item $value = cf::db_get $family => $key 581=item $value = cf::db_get $family => $key
494 582
495Returns a single value from the environment database. 583Returns a single value from the environment database.
496 584
497=item cf::db_put $family => $key => $value 585=item cf::db_put $family => $key => $value
498 586
499Stores the given C<$value> in the family. It can currently store binary 587Stores the given C<$value> in the family. It can currently store binary
500data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 588data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501 589
590=item $db = cf::db_table "name"
591
592Create and/or open a new database table. The string must not be "db" and must be unique
593within each server.
594
502=cut 595=cut
596
597sub db_table($) {
598 my ($name) = @_;
599 my $db = BDB::db_create $DB_ENV;
600
601 eval {
602 $db->set_flags (BDB::CHKSUM);
603
604 utf8::encode $name;
605 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
606 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
607 cf::cleanup "db_open(db): $!" if $!;
608 };
609 cf::cleanup "db_open(db): $@" if $@;
610
611 $db
612}
503 613
504our $DB; 614our $DB;
505 615
506sub db_init { 616sub db_init {
507 unless ($DB) {
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job { 617 cf::sync_job {
511 eval { 618 $DB ||= db_table "db";
512 $DB->set_flags (BDB::CHKSUM);
513
514 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516 cf::cleanup "db_open(db): $!" if $!;
517 };
518 cf::cleanup "db_open(db): $@" if $@;
519 };
520 } 619 };
521} 620}
522 621
523sub db_get($$) { 622sub db_get($$) {
524 my $key = "$_[0]/$_[1]"; 623 my $key = "$_[0]/$_[1]";
525 624
575 if (1) { 674 if (1) {
576 $md5 = 675 $md5 =
577 join "\x00", 676 join "\x00",
578 $processversion, 677 $processversion,
579 map { 678 map {
580 Coro::cede; 679 cf::cede_to_tick;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 680 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src; 681 } 0.. $#$src;
583 682
584 683
585 my $dbmd5 = db_get cache => "$id/md5"; 684 my $dbmd5 = db_get cache => "$id/md5";
629attach callbacks/event handlers (a collection of which is called an "attachment") 728attach callbacks/event handlers (a collection of which is called an "attachment")
630to it. All such attachable objects support the following methods. 729to it. All such attachable objects support the following methods.
631 730
632In the following description, CLASS can be any of C<global>, C<object> 731In the following description, CLASS can be any of C<global>, C<object>
633C<player>, C<client> or C<map> (i.e. the attachable objects in 732C<player>, C<client> or C<map> (i.e. the attachable objects in
634Crossfire TRT). 733Deliantra).
635 734
636=over 4 735=over 4
637 736
638=item $attachable->attach ($attachment, key => $value...) 737=item $attachable->attach ($attachment, key => $value...)
639 738
921 } 1020 }
922 1021
923 0 1022 0
924} 1023}
925 1024
926=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1025=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927 1026
928=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929 1028
930Generate an object-specific event with the given arguments. 1029Generate an object-specific event with the given arguments.
931 1030
937 1036
938=cut 1037=cut
939 1038
940############################################################################# 1039#############################################################################
941# object support 1040# object support
942#
943 1041
1042sub _object_equal($$);
1043sub _object_equal($$) {
1044 my ($a, $b) = @_;
1045
1046 return 0 unless (ref $a) eq (ref $b);
1047
1048 if ("HASH" eq ref $a) {
1049 my @ka = keys %$a;
1050 my @kb = keys %$b;
1051
1052 return 0 if @ka != @kb;
1053
1054 for (0 .. $#ka) {
1055 return 0 unless $ka[$_] eq $kb[$_];
1056 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1057 }
1058
1059 } elsif ("ARRAY" eq ref $a) {
1060
1061 return 0 if @$a != @$b;
1062
1063 for (0 .. $#$a) {
1064 return 0 unless _object_equal $a->[$_], $b->[$_];
1065 }
1066
1067 } elsif ($a ne $b) {
1068 return 0;
1069 }
1070
1071 1
1072}
1073
1074our $SLOW_MERGES;#d#
944sub _can_merge { 1075sub _can_merge {
945 my ($ob1, $ob2) = @_; 1076 my ($ob1, $ob2) = @_;
946 1077
947 local $Storable::canonical = 1; 1078 ++$SLOW_MERGES;#d#
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950 1079
951 $fob1 eq $fob2 1080 # we do the slow way here
1081 return _object_equal $ob1, $ob2
952} 1082}
953 1083
954sub reattach { 1084sub reattach {
955 # basically do the same as instantiate, without calling instantiate 1085 # basically do the same as instantiate, without calling instantiate
956 my ($obj) = @_; 1086 my ($obj) = @_;
978cf::attachable->attach ( 1108cf::attachable->attach (
979 prio => -1000000, 1109 prio => -1000000,
980 on_instantiate => sub { 1110 on_instantiate => sub {
981 my ($obj, $data) = @_; 1111 my ($obj, $data) = @_;
982 1112
983 $data = from_json $data; 1113 $data = decode_json $data;
984 1114
985 for (@$data) { 1115 for (@$data) {
986 my ($name, $args) = @$_; 1116 my ($name, $args) = @$_;
987 1117
988 $obj->attach ($name, %{$args || {} }); 1118 $obj->attach ($name, %{$args || {} });
1004sub object_freezer_save { 1134sub object_freezer_save {
1005 my ($filename, $rdata, $objs) = @_; 1135 my ($filename, $rdata, $objs) = @_;
1006 1136
1007 sync_job { 1137 sync_job {
1008 if (length $$rdata) { 1138 if (length $$rdata) {
1139 utf8::decode (my $decname = $filename);
1009 warn sprintf "saving %s (%d,%d)\n", 1140 warn sprintf "saving %s (%d,%d)\n",
1010 $filename, length $$rdata, scalar @$objs; 1141 $decname, length $$rdata, scalar @$objs;
1011 1142
1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1143 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013 chmod SAVE_MODE, $fh; 1144 chmod SAVE_MODE, $fh;
1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1145 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015 aio_fsync $fh if $cf::USE_FSYNC; 1146 aio_fsync $fh if $cf::USE_FSYNC;
1016 close $fh; 1147 close $fh;
1017 1148
1018 if (@$objs) { 1149 if (@$objs) {
1019 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1150 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020 chmod SAVE_MODE, $fh; 1151 chmod SAVE_MODE, $fh;
1021 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1152 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022 aio_write $fh, 0, (length $data), $data, 0; 1153 aio_write $fh, 0, (length $data), $data, 0;
1023 aio_fsync $fh if $cf::USE_FSYNC; 1154 aio_fsync $fh if $cf::USE_FSYNC;
1024 close $fh; 1155 close $fh;
1025 aio_rename "$filename.pst~", "$filename.pst"; 1156 aio_rename "$filename.pst~", "$filename.pst";
1026 } 1157 }
1034 } 1165 }
1035 } else { 1166 } else {
1036 aio_unlink $filename; 1167 aio_unlink $filename;
1037 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
1038 } 1169 }
1039 } 1170 };
1040} 1171}
1041 1172
1042sub object_freezer_as_string { 1173sub object_freezer_as_string {
1043 my ($rdata, $objs) = @_; 1174 my ($rdata, $objs) = @_;
1044 1175
1056 or return; 1187 or return;
1057 1188
1058 unless (aio_stat "$filename.pst") { 1189 unless (aio_stat "$filename.pst") {
1059 (aio_load "$filename.pst", $av) >= 0 1190 (aio_load "$filename.pst", $av) >= 0
1060 or return; 1191 or return;
1192
1061 $av = eval { (Storable::thaw $av)->{objs} }; 1193 my $st = eval { Coro::Storable::thaw $av };
1194 $av = $st->{objs};
1062 } 1195 }
1063 1196
1197 utf8::decode (my $decname = $filename);
1064 warn sprintf "loading %s (%d)\n", 1198 warn sprintf "loading %s (%d,%d)\n",
1065 $filename, length $data, scalar @{$av || []}; 1199 $decname, length $data, scalar @{$av || []};
1200
1066 return ($data, $av); 1201 ($data, $av)
1067} 1202}
1068 1203
1069=head2 COMMAND CALLBACKS 1204=head2 COMMAND CALLBACKS
1070 1205
1071=over 4 1206=over 4
1220 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1221 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1222 1357
1223 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1224 warn $msg; 1359 warn $msg;
1225 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1226 exit 1;
1227 } 1361 }
1228 1362
1229 warn $msg; 1363 warn $msg;
1230 } 1364 }
1231 1365
1256use Coro::AIO; 1390use Coro::AIO;
1257 1391
1258=head3 cf::player 1392=head3 cf::player
1259 1393
1260=over 4 1394=over 4
1395
1396=item cf::player::num_playing
1397
1398Returns the official number of playing players, as per the Crossfire metaserver rules.
1399
1400=cut
1401
1402sub num_playing {
1403 scalar grep
1404 $_->ob->map
1405 && !$_->hidden
1406 && !$_->ob->flag (cf::FLAG_WIZ),
1407 cf::player::list
1408}
1261 1409
1262=item cf::player::find $login 1410=item cf::player::find $login
1263 1411
1264Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
1265 1413
1301 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304 aio_unlink +(playerdir $login) . "/$login.pl"; 1452 aio_unlink +(playerdir $login) . "/$login.pl";
1305 1453
1306 my $pl = load_pl path $login 1454 my $f = new_from_file cf::object::thawer path $login
1307 or return; 1455 or return;
1456
1457 my $pl = cf::player::load_pl $f
1458 or return;
1459 local $cf::PLAYER_LOADING{$login} = $pl;
1460 $f->resolve_delayed_derefs;
1308 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1309 } 1462 }
1310 } 1463 }
1311} 1464}
1312 1465
1322 1475
1323 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1324 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1325 1478
1326 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1327 Coro::cede; 1480 cf::cede_to_tick;
1328} 1481}
1329 1482
1330sub new($) { 1483sub new($) {
1331 my ($login) = @_; 1484 my ($login) = @_;
1332 1485
1410 or return []; 1563 or return [];
1411 1564
1412 my @logins; 1565 my @logins;
1413 1566
1414 for my $login (@$dirs) { 1567 for my $login (@$dirs) {
1568 my $path = path $login;
1569
1570 # a .pst is a dead give-away for a valid player
1571 unless (-e "$path.pst") {
1415 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1417 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1418 1576
1419 utf8::decode $login; 1577 utf8::decode $login;
1420 push @logins, $login; 1578 push @logins, $login;
1421 } 1579 }
1422 1580
1455 1613
1456Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1457 1615
1458=cut 1616=cut
1459 1617
1618use re 'eval';
1619
1620my $group;
1621my $interior; $interior = qr{
1622 # match a pod interior sequence sans C<< >>
1623 (?:
1624 \ (.*?)\ (?{ $group = $^N })
1625 | < (??{$interior}) >
1626 )
1627}x;
1628
1460sub expand_cfpod { 1629sub expand_cfpod {
1461 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1462 1631
1463 # escape & and < 1632 my $xml;
1464 s/&/&amp;/g;
1465 s/(?<![BIUGH])</&lt;/g;
1466 1633
1467 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1468 1637
1469 1 while 1638 $group =~ s/&/&amp;/g;
1470 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1471 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1472 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1473 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1474 # replace G<male|female> tags 1643 ([BCGHITU])
1475 || s{G<([^>|]*)\|([^>]*)>}{ 1644 <
1476 $self->gender ? $2 : $1 1645 (?:
1477 }ge 1646 ([^<>]*) (?{ $group = $^N })
1478 # replace H<hint text> 1647 | < $interior >
1479 || s{H<([^\>]*)>} 1648 )
1649 >
1650 %gcsx
1480 { 1651 ) {
1652 my ($code, $data) = ($1, $group);
1653
1654 if ($code eq "B") {
1655 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656 } elsif ($code eq "I") {
1657 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658 } elsif ($code eq "U") {
1659 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660 } elsif ($code eq "C") {
1661 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662 } elsif ($code eq "T") {
1663 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664 } elsif ($code eq "G") {
1665 my ($male, $female) = split /\|/, $data;
1666 $data = $self->gender ? $female : $male;
1667 $xml .= expand_cfpod ($self, $data);
1668 } elsif ($code eq "H") {
1481 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>", 1669 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1482 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483 "") 1671 "")
1484 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1485 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1486 1683
1684 for ($xml) {
1487 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1488 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1489 1687
1490 # compress some whitespace 1688 # compress some whitespace
1491 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1492 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1493 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1494 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1495 1694
1496 $_ 1695 $xml
1497} 1696}
1697
1698no re 'eval';
1498 1699
1499sub hintmode { 1700sub hintmode {
1500 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1501 $_[0]{hintmode} 1702 $_[0]{hintmode}
1502} 1703}
1574our $MAX_RESET = 3600; 1775our $MAX_RESET = 3600;
1575our $DEFAULT_RESET = 3000; 1776our $DEFAULT_RESET = 3000;
1576 1777
1577sub generate_random_map { 1778sub generate_random_map {
1578 my ($self, $rmp) = @_; 1779 my ($self, $rmp) = @_;
1780
1781 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782
1579 # mit "rum" bekleckern, nicht 1783 # mit "rum" bekleckern, nicht
1580 $self->_create_random_map ( 1784 $self->_create_random_map (
1581 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1785 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1786 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1787 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1746 1950
1747sub load_header_from($) { 1951sub load_header_from($) {
1748 my ($self, $path) = @_; 1952 my ($self, $path) = @_;
1749 1953
1750 utf8::encode $path; 1954 utf8::encode $path;
1751 #aio_open $path, O_RDONLY, 0 1955 my $f = new_from_file cf::object::thawer $path
1752 # or return;
1753
1754 $self->_load_header ($path)
1755 or return; 1956 or return;
1957
1958 $self->_load_header ($f)
1959 or return;
1960
1961 local $MAP_LOADING{$self->{path}} = $self;
1962 $f->resolve_delayed_derefs;
1756 1963
1757 $self->{load_path} = $path; 1964 $self->{load_path} = $path;
1758 1965
1759 1 1966 1
1760} 1967}
1814sub find { 2021sub find {
1815 my ($path, $origin) = @_; 2022 my ($path, $origin) = @_;
1816 2023
1817 $path = normalise $path, $origin && $origin->path; 2024 $path = normalise $path, $origin && $origin->path;
1818 2025
2026 cf::lock_wait "map_data:$path";#d#remove
1819 cf::lock_wait "map_find:$path"; 2027 cf::lock_wait "map_find:$path";
1820 2028
1821 $cf::MAP{$path} || do { 2029 $cf::MAP{$path} || do {
1822 my $guard = cf::lock_acquire "map_find:$path"; 2030 my $guard1 = cf::lock_acquire "map_find:$path";
2031 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
1823 my $map = new_from_path cf::map $path 2033 my $map = new_from_path cf::map $path
1824 or return; 2034 or return;
1825 2035
1826 $map->{last_save} = $cf::RUNTIME; 2036 $map->{last_save} = $cf::RUNTIME;
1827 2037
1829 or return; 2039 or return;
1830 2040
1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2041 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832 # doing this can freeze the server in a sync job, obviously 2042 # doing this can freeze the server in a sync job, obviously
1833 #$cf::WAIT_FOR_TICK->wait; 2043 #$cf::WAIT_FOR_TICK->wait;
2044 undef $guard1;
2045 undef $guard2;
1834 $map->reset; 2046 $map->reset;
1835 undef $guard;
1836 return find $path; 2047 return find $path;
1837 } 2048 }
1838 2049
1839 $cf::MAP{$path} = $map 2050 $cf::MAP{$path} = $map
1840 } 2051 }
1849 local $self->{deny_reset} = 1; # loading can take a long time 2060 local $self->{deny_reset} = 1; # loading can take a long time
1850 2061
1851 my $path = $self->{path}; 2062 my $path = $self->{path};
1852 2063
1853 { 2064 {
1854 my $guard = cf::lock_acquire "map_load:$path"; 2065 my $guard = cf::lock_acquire "map_data:$path";
1855 2066
2067 return unless $self->valid;
1856 return if $self->in_memory != cf::MAP_SWAPPED; 2068 return unless $self->in_memory == cf::MAP_SWAPPED;
1857 2069
1858 $self->in_memory (cf::MAP_LOADING); 2070 $self->in_memory (cf::MAP_LOADING);
1859 2071
1860 $self->alloc; 2072 $self->alloc;
1861 2073
1862 $self->pre_load; 2074 $self->pre_load;
1863 Coro::cede; 2075 cf::cede_to_tick;
1864 2076
2077 my $f = new_from_file cf::object::thawer $self->{load_path};
2078 $f->skip_block;
1865 $self->_load_objects ($self->{load_path}, 1) 2079 $self->_load_objects ($f)
1866 or return; 2080 or return;
1867 2081
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2082 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869 if delete $self->{load_original}; 2083 if delete $self->{load_original};
1870 2084
1871 if (my $uniq = $self->uniq_path) { 2085 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq; 2086 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) { 2087 unless (aio_stat $uniq) {
2088 if (my $f = new_from_file cf::object::thawer $uniq) {
1874 $self->clear_unique_items; 2089 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0); 2090 $self->_load_objects ($f);
2091 $f->resolve_delayed_derefs;
2092 }
1876 } 2093 }
1877 } 2094 }
1878 2095
1879 Coro::cede; 2096 $f->resolve_delayed_derefs;
2097
2098 cf::cede_to_tick;
1880 # now do the right thing for maps 2099 # now do the right thing for maps
1881 $self->link_multipart_objects; 2100 $self->link_multipart_objects;
1882 $self->difficulty ($self->estimate_difficulty) 2101 $self->difficulty ($self->estimate_difficulty)
1883 unless $self->difficulty; 2102 unless $self->difficulty;
1884 Coro::cede; 2103 cf::cede_to_tick;
1885 2104
1886 unless ($self->{deny_activate}) { 2105 unless ($self->{deny_activate}) {
1887 $self->decay_objects; 2106 $self->decay_objects;
1888 $self->fix_auto_apply; 2107 $self->fix_auto_apply;
1889 $self->update_buttons; 2108 $self->update_buttons;
1890 Coro::cede; 2109 cf::cede_to_tick;
1891 $self->set_darkness_map; 2110 $self->set_darkness_map;
1892 Coro::cede; 2111 cf::cede_to_tick;
1893 $self->activate; 2112 $self->activate;
1894 } 2113 }
1895 2114
1896 $self->{last_save} = $cf::RUNTIME; 2115 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME); 2116 $self->last_access ($cf::RUNTIME);
1968 } 2187 }
1969 2188
1970 $MAP_PREFETCH{$path} |= $load; 2189 $MAP_PREFETCH{$path} |= $load;
1971 2190
1972 $MAP_PREFETCHER ||= cf::async { 2191 $MAP_PREFETCHER ||= cf::async {
2192 $Coro::current->{desc} = "map prefetcher";
2193
1973 while (%MAP_PREFETCH) { 2194 while (%MAP_PREFETCH) {
1974 while (my ($k, $v) = each %MAP_PREFETCH) { 2195 while (my ($k, $v) = each %MAP_PREFETCH) {
1975 if (my $map = find $k) { 2196 if (my $map = find $k) {
1976 $map->load if $v; 2197 $map->load if $v;
1977 } 2198 }
1987} 2208}
1988 2209
1989sub save { 2210sub save {
1990 my ($self) = @_; 2211 my ($self) = @_;
1991 2212
1992 my $lock = cf::lock_acquire "map_data:" . $self->path; 2213 my $lock = cf::lock_acquire "map_data:$self->{path}";
1993 2214
1994 $self->{last_save} = $cf::RUNTIME; 2215 $self->{last_save} = $cf::RUNTIME;
1995 2216
1996 return unless $self->dirty; 2217 return unless $self->dirty;
1997 2218
2003 return if $self->{deny_save}; 2224 return if $self->{deny_save};
2004 2225
2005 local $self->{last_access} = $self->last_access;#d# 2226 local $self->{last_access} = $self->last_access;#d#
2006 2227
2007 cf::async { 2228 cf::async {
2229 $Coro::current->{desc} = "map player save";
2008 $_->contr->save for $self->players; 2230 $_->contr->save for $self->players;
2009 }; 2231 };
2010 2232
2011 if ($uniq) { 2233 if ($uniq) {
2012 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2234 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2020 my ($self) = @_; 2242 my ($self) = @_;
2021 2243
2022 # save first because save cedes 2244 # save first because save cedes
2023 $self->save; 2245 $self->save;
2024 2246
2025 my $lock = cf::lock_acquire "map_data:" . $self->path; 2247 my $lock = cf::lock_acquire "map_data:$self->{path}";
2026 2248
2027 return if $self->players; 2249 return if $self->players;
2028 return if $self->in_memory != cf::MAP_IN_MEMORY; 2250 return if $self->in_memory != cf::MAP_IN_MEMORY;
2029 return if $self->{deny_save}; 2251 return if $self->{deny_save};
2030 2252
2253 $self->in_memory (cf::MAP_SWAPPED);
2254
2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
2031 $self->clear; 2257 $self->clear;
2032 $self->in_memory (cf::MAP_SWAPPED);
2033} 2258}
2034 2259
2035sub reset_at { 2260sub reset_at {
2036 my ($self) = @_; 2261 my ($self) = @_;
2037 2262
2069 if $uniq; 2294 if $uniq;
2070 } 2295 }
2071 2296
2072 delete $cf::MAP{$self->path}; 2297 delete $cf::MAP{$self->path};
2073 2298
2299 $self->deactivate;
2300 $_->clear_links_to ($self) for values %cf::MAP;
2074 $self->clear; 2301 $self->clear;
2075
2076 $_->clear_links_to ($self) for values %cf::MAP;
2077 2302
2078 $self->unlink_save; 2303 $self->unlink_save;
2079 $self->destroy; 2304 $self->destroy;
2080} 2305}
2081 2306
2082my $nuke_counter = "aaaa"; 2307my $nuke_counter = "aaaa";
2083 2308
2084sub nuke { 2309sub nuke {
2085 my ($self) = @_; 2310 my ($self) = @_;
2086 2311
2312 {
2313 my $lock = cf::lock_acquire "map_data:$self->{path}";
2314
2087 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
2088 2316
2089 $self->unlink_save; 2317 $self->unlink_save;
2090 2318
2091 bless $self, "cf::map"; 2319 bless $self, "cf::map";
2092 delete $self->{deny_reset}; 2320 delete $self->{deny_reset};
2093 $self->{deny_save} = 1; 2321 $self->{deny_save} = 1;
2094 $self->reset_timeout (1); 2322 $self->reset_timeout (1);
2095 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2323 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096 2324
2097 $cf::MAP{$self->path} = $self; 2325 $cf::MAP{$self->path} = $self;
2326 }
2098 2327
2099 $self->reset; # polite request, might not happen 2328 $self->reset; # polite request, might not happen
2100} 2329}
2101 2330
2102=item $maps = cf::map::tmp_maps 2331=item $maps = cf::map::tmp_maps
2151 : () 2380 : ()
2152 } @{ aio_readdir $UNIQUEDIR or [] } 2381 } @{ aio_readdir $UNIQUEDIR or [] }
2153 ] 2382 ]
2154} 2383}
2155 2384
2156package cf;
2157
2158=back 2385=back
2159 2386
2160=head3 cf::object 2387=head3 cf::object
2161 2388
2162=cut 2389=cut
2176 map { $_, inv_recursive_ $_->inv } @_ 2403 map { $_, inv_recursive_ $_->inv } @_
2177} 2404}
2178 2405
2179sub inv_recursive { 2406sub inv_recursive {
2180 inv_recursive_ inv $_[0] 2407 inv_recursive_ inv $_[0]
2408}
2409
2410=item $ref = $ob->ref
2411
2412creates and returns a persistent reference to an objetc that can be stored as a string.
2413
2414=item $ob = cf::object::deref ($refstring)
2415
2416returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2417even if the object actually exists. May block.
2418
2419=cut
2420
2421sub deref {
2422 my ($ref) = @_;
2423
2424 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2425 my ($uuid, $name) = ($1, $2);
2426 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2427 or return;
2428 $pl->ob->uuid eq $uuid
2429 or return;
2430
2431 $pl->ob
2432 } else {
2433 warn "$ref: cannot resolve object reference\n";
2434 undef
2435 }
2181} 2436}
2182 2437
2183package cf; 2438package cf;
2184 2439
2185=back 2440=back
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2600 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346 2601
2347 $self->enter_link; 2602 $self->enter_link;
2348 2603
2349 (async { 2604 (async {
2605 $Coro::current->{desc} = "player::goto $path $x $y";
2606
2607 # *tag paths override both path and x|y
2608 if ($path =~ /^\*(.*)$/) {
2609 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2610 my $ob = $obs[rand @obs];
2611
2612 # see if we actually can go there
2613 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2614 $ob = $obs[rand @obs];
2615 } else {
2616 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2617 }
2618 # else put us there anyways for now #d#
2619
2620 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2621 } else {
2622 ($path, $x, $y) = (undef, undef, undef);
2623 }
2624 }
2625
2350 my $map = eval { 2626 my $map = eval {
2351 my $map = cf::map::find $path; 2627 my $map = defined $path ? cf::map::find $path : undef;
2352 2628
2353 if ($map) { 2629 if ($map) {
2354 $map = $map->customise_for ($self); 2630 $map = $map->customise_for ($self);
2355 $map = $check->($map) if $check && $map; 2631 $map = $check->($map) if $check && $map;
2356 } else { 2632 } else {
2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2633 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358 } 2634 }
2359 2635
2360 $map 2636 $map
2361 }; 2637 };
2362 2638
2415 $rmp->{origin_y} = $exit->y; 2691 $rmp->{origin_y} = $exit->y;
2416 } 2692 }
2417 2693
2418 $rmp->{random_seed} ||= $exit->random_seed; 2694 $rmp->{random_seed} ||= $exit->random_seed;
2419 2695
2420 my $data = cf::to_json $rmp; 2696 my $data = cf::encode_json $rmp;
2421 my $md5 = Digest::MD5::md5_hex $data; 2697 my $md5 = Digest::MD5::md5_hex $data;
2422 my $meta = "$RANDOMDIR/$md5.meta"; 2698 my $meta = "$RANDOMDIR/$md5.meta";
2423 2699
2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2700 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425 aio_write $fh, 0, (length $data), $data, 0; 2701 aio_write $fh, 0, (length $data), $data, 0;
2452 # if exit is damned, update players death & WoR home-position 2728 # if exit is damned, update players death & WoR home-position
2453 $self->contr->savebed ($slaying, $hp, $sp) 2729 $self->contr->savebed ($slaying, $hp, $sp)
2454 if $exit->flag (FLAG_DAMNED); 2730 if $exit->flag (FLAG_DAMNED);
2455 2731
2456 (async { 2732 (async {
2733 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2734
2457 $self->deactivate_recursive; # just to be sure 2735 $self->deactivate_recursive; # just to be sure
2458 unless (eval { 2736 unless (eval {
2459 $self->goto ($slaying, $hp, $sp); 2737 $self->goto ($slaying, $hp, $sp);
2460 2738
2461 1; 2739 1;
2496the message, with C<log> being the default. If C<$color> is negative, suppress 2774the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet. 2775the message unless the client supports the msg packet.
2498 2776
2499=cut 2777=cut
2500 2778
2779# non-persistent channels (usually the info channel)
2780our %CHANNEL = (
2781 "c/identify" => {
2782 id => "infobox",
2783 title => "Identify",
2784 reply => undef,
2785 tooltip => "Items recently identified",
2786 },
2787 "c/examine" => {
2788 id => "infobox",
2789 title => "Examine",
2790 reply => undef,
2791 tooltip => "Signs and other items you examined",
2792 },
2793 "c/book" => {
2794 id => "infobox",
2795 title => "Book",
2796 reply => undef,
2797 tooltip => "The contents of a note or book",
2798 },
2799 "c/lookat" => {
2800 id => "infobox",
2801 title => "Look",
2802 reply => undef,
2803 tooltip => "What you saw there",
2804 },
2805 "c/who" => {
2806 id => "infobox",
2807 title => "Players",
2808 reply => undef,
2809 tooltip => "Shows players who are currently online",
2810 },
2811 "c/body" => {
2812 id => "infobox",
2813 title => "Body Parts",
2814 reply => undef,
2815 tooltip => "Shows which body parts you posess and are available",
2816 },
2817 "c/uptime" => {
2818 id => "infobox",
2819 title => "Uptime",
2820 reply => undef,
2821 tooltip => "How long the server has been running since last restart",
2822 },
2823 "c/mapinfo" => {
2824 id => "infobox",
2825 title => "Map Info",
2826 reply => undef,
2827 tooltip => "Information related to the maps",
2828 },
2829);
2830
2501sub cf::client::send_msg { 2831sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_; 2832 my ($self, $channel, $msg, $color, @extra) = @_;
2503 2833
2504 $msg = $self->pl->expand_cfpod ($msg); 2834 $msg = $self->pl->expand_cfpod ($msg);
2505 2835
2506 $color &= cf::NDI_CLIENT_MASK; # just in case... 2836 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507 2837
2838 # check predefined channels, for the benefit of C
2839 if ($CHANNEL{$channel}) {
2840 $channel = $CHANNEL{$channel};
2841
2842 $self->ext_msg (channel_info => $channel)
2843 if $self->can_msg;
2844
2845 $channel = $channel->{id};
2846
2508 if (ref $channel) { 2847 } elsif (ref $channel) {
2509 # send meta info to client, if not yet sent 2848 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) { 2849 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel; 2850 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel); 2851 $self->ext_msg (channel_info => $channel)
2852 if $self->can_msg;
2513 } 2853 }
2514 2854
2515 $channel = $channel->{id}; 2855 $channel = $channel->{id};
2516 } 2856 }
2517 2857
2729=pod 3069=pod
2730 3070
2731The following functions and methods are available within a safe environment: 3071The following functions and methods are available within a safe environment:
2732 3072
2733 cf::object 3073 cf::object
2734 contr pay_amount pay_player map x y force_find force_add 3074 contr pay_amount pay_player map x y force_find force_add destroy
2735 insert remove name archname title slaying race decrease_ob_nr 3075 insert remove name archname title slaying race decrease_ob_nr
2736 3076
2737 cf::object::player 3077 cf::object::player
2738 player 3078 player
2739 3079
2746=cut 3086=cut
2747 3087
2748for ( 3088for (
2749 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3089 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750 insert remove inv name archname title slaying race 3090 insert remove inv name archname title slaying race
2751 decrease_ob_nr)], 3091 decrease_ob_nr destroy)],
2752 ["cf::object::player" => qw(player)], 3092 ["cf::object::player" => qw(player)],
2753 ["cf::player" => qw(peaceful)], 3093 ["cf::player" => qw(peaceful)],
2754 ["cf::map" => qw(trigger)], 3094 ["cf::map" => qw(trigger)],
2755) { 3095) {
2756 no strict 'refs'; 3096 no strict 'refs';
2832# the server's init and main functions 3172# the server's init and main functions
2833 3173
2834sub load_facedata($) { 3174sub load_facedata($) {
2835 my ($path) = @_; 3175 my ($path) = @_;
2836 3176
3177 # HACK to clear player env face cache, we need some signal framework
3178 # for this (global event?)
3179 %ext::player_env::MUSIC_FACE_CACHE = ();
3180
2837 my $enc = JSON::XS->new->utf8->canonical; 3181 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838 3182
2839 warn "loading facedata from $path\n"; 3183 warn "loading facedata from $path\n";
2840 3184
2841 my $facedata; 3185 my $facedata;
2842 0 < aio_load $path, $facedata 3186 0 < aio_load $path, $facedata
2857 { 3201 {
2858 my $faces = $facedata->{faceinfo}; 3202 my $faces = $facedata->{faceinfo};
2859 3203
2860 while (my ($face, $info) = each %$faces) { 3204 while (my ($face, $info) = each %$faces) {
2861 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3205 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206
2862 cf::face::set_visibility $idx, $info->{visibility}; 3207 cf::face::set_visibility $idx, $info->{visibility};
2863 cf::face::set_magicmap $idx, $info->{magicmap}; 3208 cf::face::set_magicmap $idx, $info->{magicmap};
2864 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3209 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2865 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3210 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2866 3211
2867 cf::cede_to_tick; 3212 cf::cede_to_tick;
2868 } 3213 }
2869 3214
2870 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
2871 next unless $info->{smooth}; 3216 next unless $info->{smooth};
3217
2872 my $idx = cf::face::find $face 3218 my $idx = cf::face::find $face
2873 or next; 3219 or next;
3220
2874 if (my $smooth = cf::face::find $info->{smooth}) { 3221 if (my $smooth = cf::face::find $info->{smooth}) {
2875 cf::face::set_smooth $idx, $smooth; 3222 cf::face::set_smooth $idx, $smooth;
2876 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3223 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877 } else { 3224 } else {
2878 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3225 warn "smooth face '$info->{smooth}' not found for face '$face'";
2896 { 3243 {
2897 # TODO: for gcfclient pleasure, we should give resources 3244 # TODO: for gcfclient pleasure, we should give resources
2898 # that gcfclient doesn't grok a >10000 face index. 3245 # that gcfclient doesn't grok a >10000 face index.
2899 my $res = $facedata->{resource}; 3246 my $res = $facedata->{resource};
2900 3247
2901 my $soundconf = delete $res->{"res/sound.conf"};
2902
2903 while (my ($name, $info) = each %$res) { 3248 while (my ($name, $info) = each %$res) {
3249 if (defined $info->{type}) {
2904 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3250 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905 my $data; 3251 my $data;
2906 3252
2907 if ($info->{type} & 1) { 3253 if ($info->{type} & 1) {
2908 # prepend meta info 3254 # prepend meta info
2909 3255
2910 my $meta = $enc->encode ({ 3256 my $meta = $enc->encode ({
2911 name => $name, 3257 name => $name,
2912 %{ $info->{meta} || {} }, 3258 %{ $info->{meta} || {} },
2913 }); 3259 });
2914 3260
2915 $data = pack "(w/a*)*", $meta, $info->{data}; 3261 $data = pack "(w/a*)*", $meta, $info->{data};
3262 } else {
3263 $data = $info->{data};
3264 }
3265
3266 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267 cf::face::set_type $idx, $info->{type};
2916 } else { 3268 } else {
2917 $data = $info->{data}; 3269 $RESOURCE{$name} = $info;
2918 } 3270 }
2919 3271
2920 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921 cf::face::set_type $idx, $info->{type};
2922
2923 cf::cede_to_tick; 3272 cf::cede_to_tick;
2924 } 3273 }
2925
2926 if ($soundconf) {
2927 $soundconf = $enc->decode (delete $soundconf->{data});
2928
2929 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930 my $sound = $soundconf->{compat}[$_]
2931 or next;
2932
2933 my $face = cf::face::find "sound/$sound->[1]";
2934 cf::sound::set $sound->[0] => $face;
2935 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936 }
2937
2938 while (my ($k, $v) = each %{$soundconf->{event}}) {
2939 my $face = cf::face::find "sound/$v";
2940 cf::sound::set $k => $face;
2941 }
2942 }
2943 } 3274 }
3275
3276 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944 3277
2945 1 3278 1
2946} 3279}
3280
3281cf::global->attach (on_resource_update => sub {
3282 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286 my $sound = $soundconf->{compat}[$_]
3287 or next;
3288
3289 my $face = cf::face::find "sound/$sound->[1]";
3290 cf::sound::set $sound->[0] => $face;
3291 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292 }
3293
3294 while (my ($k, $v) = each %{$soundconf->{event}}) {
3295 my $face = cf::face::find "sound/$v";
3296 cf::sound::set $k => $face;
3297 }
3298 }
3299});
2947 3300
2948register_exticmd fx_want => sub { 3301register_exticmd fx_want => sub {
2949 my ($ns, $want) = @_; 3302 my ($ns, $want) = @_;
2950 3303
2951 while (my ($k, $v) = each %$want) { 3304 while (my ($k, $v) = each %$want) {
2952 $ns->fx_want ($k, $v); 3305 $ns->fx_want ($k, $v);
2953 } 3306 }
2954}; 3307};
2955 3308
2956sub reload_regions { 3309sub reload_regions {
3310 # HACK to clear player env face cache, we need some signal framework
3311 # for this (global event?)
3312 %ext::player_env::MUSIC_FACE_CACHE = ();
3313
2957 load_resource_file "$MAPDIR/regions" 3314 load_resource_file "$MAPDIR/regions"
2958 or die "unable to load regions file\n"; 3315 or die "unable to load regions file\n";
2959 3316
2960 for (cf::region::list) { 3317 for (cf::region::list) {
2961 $_->{match} = qr/$_->{match}/ 3318 $_->{match} = qr/$_->{match}/
2997 3354
2998sub init { 3355sub init {
2999 reload_resources; 3356 reload_resources;
3000} 3357}
3001 3358
3002sub cfg_load { 3359sub reload_config {
3003 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
3004 or return; 3361 or return;
3005 3362
3006 local $/; 3363 local $/;
3007 *CFG = YAML::Syck::Load <$fh>; 3364 *CFG = YAML::Load <$fh>;
3008 3365
3009 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3366 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3010 3367
3011 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3368 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3369 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3023sub main { 3380sub main {
3024 # we must not ever block the main coroutine 3381 # we must not ever block the main coroutine
3025 local $Coro::idle = sub { 3382 local $Coro::idle = sub {
3026 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3383 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027 (async { 3384 (async {
3028 Event::one_event; 3385 $Coro::current->{desc} = "IDLE BUG HANDLER";
3386 EV::loop EV::LOOP_ONESHOT;
3029 })->prio (Coro::PRIO_MAX); 3387 })->prio (Coro::PRIO_MAX);
3030 }; 3388 };
3031 3389
3032 cfg_load; 3390 reload_config;
3033 db_init; 3391 db_init;
3034 load_extensions; 3392 load_extensions;
3035 3393
3036 $TICK_WATCHER->start; 3394 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395 evthread_start IO::AIO::poll_fileno;
3037 Event::loop; 3396 EV::loop;
3038} 3397}
3039 3398
3040############################################################################# 3399#############################################################################
3041# initialisation and cleanup 3400# initialisation and cleanup
3042 3401
3043# install some emergency cleanup handlers 3402# install some emergency cleanup handlers
3044BEGIN { 3403BEGIN {
3404 our %SIGWATCHER = ();
3045 for my $signal (qw(INT HUP TERM)) { 3405 for my $signal (qw(INT HUP TERM)) {
3046 Event->signal ( 3406 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3047 reentrant => 0,
3048 data => WF_AUTOCANCEL,
3049 signal => $signal,
3050 prio => 0,
3051 cb => sub {
3052 cf::cleanup "SIG$signal"; 3407 cf::cleanup "SIG$signal";
3053 },
3054 ); 3408 };
3055 } 3409 }
3056} 3410}
3057 3411
3058sub write_runtime { 3412sub write_runtime_sync {
3059 my $runtime = "$LOCALDIR/runtime"; 3413 my $runtime = "$LOCALDIR/runtime";
3060 3414
3061 # first touch the runtime file to show we are still running: 3415 # first touch the runtime file to show we are still running:
3062 # the fsync below can take a very very long time. 3416 # the fsync below can take a very very long time.
3063 3417
3089 and return; 3443 and return;
3090 3444
3091 warn "runtime file written.\n"; 3445 warn "runtime file written.\n";
3092 3446
3093 1 3447 1
3448}
3449
3450our $uuid_lock;
3451our $uuid_skip;
3452
3453sub write_uuid_sync($) {
3454 $uuid_skip ||= $_[0];
3455
3456 return if $uuid_lock;
3457 local $uuid_lock = 1;
3458
3459 my $uuid = "$LOCALDIR/uuid";
3460
3461 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462 or return;
3463
3464 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3465 $uuid_skip = 0;
3466
3467 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3468 and return;
3469
3470 # always fsync - this file is important
3471 aio_fsync $fh
3472 and return;
3473
3474 close $fh
3475 or return;
3476
3477 aio_rename "$uuid~", $uuid
3478 and return;
3479
3480 warn "uuid file written ($value).\n";
3481
3482 1
3483
3484}
3485
3486sub write_uuid($$) {
3487 my ($skip, $sync) = @_;
3488
3489 $sync ? write_uuid_sync $skip
3490 : async { write_uuid_sync $skip };
3094} 3491}
3095 3492
3096sub emergency_save() { 3493sub emergency_save() {
3097 my $freeze_guard = cf::freeze_mainloop; 3494 my $freeze_guard = cf::freeze_mainloop;
3098 3495
3104 # and maps saved/destroyed asynchronously. 3501 # and maps saved/destroyed asynchronously.
3105 warn "begin emergency player save\n"; 3502 warn "begin emergency player save\n";
3106 for my $login (keys %cf::PLAYER) { 3503 for my $login (keys %cf::PLAYER) {
3107 my $pl = $cf::PLAYER{$login} or next; 3504 my $pl = $cf::PLAYER{$login} or next;
3108 $pl->valid or next; 3505 $pl->valid or next;
3506 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109 $pl->save; 3507 $pl->save;
3110 } 3508 }
3111 warn "end emergency player save\n"; 3509 warn "end emergency player save\n";
3112 3510
3113 warn "begin emergency map save\n"; 3511 warn "begin emergency map save\n";
3119 warn "end emergency map save\n"; 3517 warn "end emergency map save\n";
3120 3518
3121 warn "begin emergency database checkpoint\n"; 3519 warn "begin emergency database checkpoint\n";
3122 BDB::db_env_txn_checkpoint $DB_ENV; 3520 BDB::db_env_txn_checkpoint $DB_ENV;
3123 warn "end emergency database checkpoint\n"; 3521 warn "end emergency database checkpoint\n";
3522
3523 warn "begin write uuid\n";
3524 write_uuid_sync 1;
3525 warn "end write uuid\n";
3124 }; 3526 };
3125 3527
3126 warn "leave emergency perl save\n"; 3528 warn "leave emergency perl save\n";
3127} 3529}
3128 3530
3143 warn "reloading..."; 3545 warn "reloading...";
3144 3546
3145 warn "entering sync_job"; 3547 warn "entering sync_job";
3146 3548
3147 cf::sync_job { 3549 cf::sync_job {
3148 cf::write_runtime; # external watchdog should not bark 3550 cf::write_runtime_sync; # external watchdog should not bark
3149 cf::emergency_save; 3551 cf::emergency_save;
3150 cf::write_runtime; # external watchdog should not bark 3552 cf::write_runtime_sync; # external watchdog should not bark
3151 3553
3152 warn "syncing database to disk"; 3554 warn "syncing database to disk";
3153 BDB::db_env_txn_checkpoint $DB_ENV; 3555 BDB::db_env_txn_checkpoint $DB_ENV;
3154 3556
3155 # if anything goes wrong in here, we should simply crash as we already saved 3557 # if anything goes wrong in here, we should simply crash as we already saved
3156
3157 warn "cancelling all WF_AUTOCANCEL watchers";
3158 for (Event::all_watchers) {
3159 $_->cancel if $_->data & WF_AUTOCANCEL;
3160 }
3161 3558
3162 warn "flushing outstanding aio requests"; 3559 warn "flushing outstanding aio requests";
3163 for (;;) { 3560 for (;;) {
3164 BDB::flush; 3561 BDB::flush;
3165 IO::AIO::flush; 3562 IO::AIO::flush;
3166 Coro::cede; 3563 Coro::cede_notself;
3167 last unless IO::AIO::nreqs || BDB::nreqs; 3564 last unless IO::AIO::nreqs || BDB::nreqs;
3168 warn "iterate..."; 3565 warn "iterate...";
3169 } 3566 }
3170 3567
3171 ++$RELOAD; 3568 ++$RELOAD;
3230 warn "reloading cf.pm"; 3627 warn "reloading cf.pm";
3231 require cf; 3628 require cf;
3232 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3629 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3233 3630
3234 warn "loading config and database again"; 3631 warn "loading config and database again";
3235 cf::cfg_load; 3632 cf::reload_config;
3236 3633
3237 warn "loading extensions"; 3634 warn "loading extensions";
3238 cf::load_extensions; 3635 cf::load_extensions;
3239 3636
3240 warn "reattaching attachments to objects/players"; 3637 warn "reattaching attachments to objects/players";
3247 warn "leaving sync_job"; 3644 warn "leaving sync_job";
3248 3645
3249 1 3646 1
3250 } or do { 3647 } or do {
3251 warn $@; 3648 warn $@;
3252 warn "error while reloading, exiting."; 3649 cf::cleanup "error while reloading, exiting.";
3253 exit 1;
3254 }; 3650 };
3255 3651
3256 warn "reloaded"; 3652 warn "reloaded";
3257}; 3653};
3258 3654
3260 3656
3261sub reload_perl() { 3657sub reload_perl() {
3262 # doing reload synchronously and two reloads happen back-to-back, 3658 # doing reload synchronously and two reloads happen back-to-back,
3263 # coro crashes during coro_state_free->destroy here. 3659 # coro crashes during coro_state_free->destroy here.
3264 3660
3265 $RELOAD_WATCHER ||= Event->timer ( 3661 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3266 reentrant => 0,
3267 after => 0,
3268 data => WF_AUTOCANCEL,
3269 cb => sub {
3270 do_reload_perl; 3662 do_reload_perl;
3271 undef $RELOAD_WATCHER; 3663 undef $RELOAD_WATCHER;
3272 },
3273 ); 3664 };
3274} 3665}
3275 3666
3276register_command "reload" => sub { 3667register_command "reload" => sub {
3277 my ($who, $arg) = @_; 3668 my ($who, $arg) = @_;
3278 3669
3279 if ($who->flag (FLAG_WIZ)) { 3670 if ($who->flag (FLAG_WIZ)) {
3280 $who->message ("reloading server."); 3671 $who->message ("reloading server.");
3672 async {
3673 $Coro::current->{desc} = "perl_reload";
3281 async { reload_perl }; 3674 reload_perl;
3675 };
3282 } 3676 }
3283}; 3677};
3284 3678
3285unshift @INC, $LIBDIR; 3679unshift @INC, $LIBDIR;
3286 3680
3288 3682
3289our @WAIT_FOR_TICK; 3683our @WAIT_FOR_TICK;
3290our @WAIT_FOR_TICK_BEGIN; 3684our @WAIT_FOR_TICK_BEGIN;
3291 3685
3292sub wait_for_tick { 3686sub wait_for_tick {
3293 return unless $TICK_WATCHER->is_active; 3687 return if tick_inhibit;
3294 return if $Coro::current == $Coro::main; 3688 return if $Coro::current == $Coro::main;
3295 3689
3296 my $signal = new Coro::Signal; 3690 my $signal = new Coro::Signal;
3297 push @WAIT_FOR_TICK, $signal; 3691 push @WAIT_FOR_TICK, $signal;
3298 $signal->wait; 3692 $signal->wait;
3299} 3693}
3300 3694
3301sub wait_for_tick_begin { 3695sub wait_for_tick_begin {
3302 return unless $TICK_WATCHER->is_active; 3696 return if tick_inhibit;
3303 return if $Coro::current == $Coro::main; 3697 return if $Coro::current == $Coro::main;
3304 3698
3305 my $signal = new Coro::Signal; 3699 my $signal = new Coro::Signal;
3306 push @WAIT_FOR_TICK_BEGIN, $signal; 3700 push @WAIT_FOR_TICK_BEGIN, $signal;
3307 $signal->wait; 3701 $signal->wait;
3308} 3702}
3309 3703
3310 my $min = 1e6;#d# 3704sub tick {
3311 my $avg = 10;
3312$TICK_WATCHER = Event->timer (
3313 reentrant => 0,
3314 parked => 1,
3315 prio => 0,
3316 at => $NEXT_TICK || $TICK,
3317 data => WF_AUTOCANCEL,
3318 cb => sub {
3319 if ($Coro::current != $Coro::main) { 3705 if ($Coro::current != $Coro::main) {
3320 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3706 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321 unless ++$bug_warning > 10; 3707 unless ++$bug_warning > 10;
3322 return; 3708 return;
3323 } 3709 }
3324 3710
3325 $NOW = $tick_start = Event::time;
3326
3327 cf::server_tick; # one server iteration 3711 cf::server_tick; # one server iteration
3328 3712
3329 0 && sync_job {#d# 3713 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3330 for(1..10) { 3714 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3331 my $t = Event::time; 3715 Coro::async_pool {
3332 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3716 $Coro::current->{desc} = "runtime saver";
3333 or die; 3717 write_runtime_sync
3334 3718 or warn "ERROR: unable to write runtime file: $!";
3335 $map->width (50);
3336 $map->height (50);
3337 $map->alloc;
3338 $map->_load_objects ("/tmp/x.map", 1);
3339 my $t = Event::time - $t;
3340
3341 #next unless $t < 0.0013;#d#
3342 if ($t < $min) {
3343 $min = $t;
3344 }
3345 $avg = $avg * 0.99 + $t * 0.01;
3346 }
3347 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348 exit 0;
3349 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350 }; 3719 };
3720 }
3351 3721
3352 $RUNTIME += $TICK;
3353 $NEXT_TICK += $TICK;
3354
3355 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356 $NEXT_RUNTIME_WRITE = $NOW + 10;
3357 Coro::async_pool {
3358 write_runtime
3359 or warn "ERROR: unable to write runtime file: $!";
3360 };
3361 }
3362
3363# my $AFTER = Event::time;
3364# warn $AFTER - $NOW;#d#
3365
3366 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367 $sig->send; 3723 $sig->send;
3368 } 3724 }
3369 while (my $sig = shift @WAIT_FOR_TICK) { 3725 while (my $sig = shift @WAIT_FOR_TICK) {
3370 $sig->send; 3726 $sig->send;
3371 } 3727 }
3372 3728
3373 $NOW = Event::time; 3729 $LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375 # if we are delayed by four ticks or more, skip them all
3376 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378 $TICK_WATCHER->at ($NEXT_TICK);
3379 $TICK_WATCHER->start;
3380
3381 $LOAD = ($NOW - $tick_start) / $TICK;
3382 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3730 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383 3731
3384 _post_tick; 3732 if (0) {
3385 3733 if ($NEXT_TICK) {
3386 3734 my $jitter = $TICK_START - $NEXT_TICK;
3735 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736 warn "jitter $JITTER\n";#d#
3737 }
3387 }, 3738 }
3388); 3739}
3389 3740
3390{ 3741{
3391 BDB::max_poll_time $TICK * 0.1; 3742 # configure BDB
3392 $BDB_POLL_WATCHER = Event->io ( 3743
3393 reentrant => 0,
3394 fd => BDB::poll_fileno,
3395 poll => 'r',
3396 prio => 0,
3397 data => WF_AUTOCANCEL,
3398 cb => \&BDB::poll_cb,
3399 );
3400 BDB::min_parallel 8; 3744 BDB::min_parallel 8;
3401 3745 BDB::max_poll_reqs $TICK * 0.1;
3402 BDB::set_sync_prepare { 3746 $Coro::BDB::WATCHER->priority (1);
3403 my $status;
3404 my $current = $Coro::current;
3405 (
3406 sub {
3407 $status = $!;
3408 $current->ready; undef $current;
3409 },
3410 sub {
3411 Coro::schedule while defined $current;
3412 $! = $status;
3413 },
3414 )
3415 };
3416 3747
3417 unless ($DB_ENV) { 3748 unless ($DB_ENV) {
3418 $DB_ENV = BDB::db_env_create; 3749 $DB_ENV = BDB::db_env_create;
3750 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3751 | BDB::LOG_AUTOREMOVE, 1);
3752 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3753 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419 3754
3420 cf::sync_job { 3755 cf::sync_job {
3421 eval { 3756 eval {
3422 BDB::db_env_open 3757 BDB::db_env_open
3423 $DB_ENV, 3758 $DB_ENV,
3425 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3760 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3761 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427 0666; 3762 0666;
3428 3763
3429 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3764 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432 $DB_ENV->set_lk_detect;
3433 }; 3765 };
3434 3766
3435 cf::cleanup "db_env_open(db): $@" if $@; 3767 cf::cleanup "db_env_open(db): $@" if $@;
3436 }; 3768 };
3437 } 3769 }
3770
3771 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3772 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3773 };
3774 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3775 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3776 };
3777 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3778 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3779 };
3438} 3780}
3439 3781
3440{ 3782{
3783 # configure IO::AIO
3784
3441 IO::AIO::min_parallel 8; 3785 IO::AIO::min_parallel 8;
3442
3443 undef $Coro::AIO::WATCHER;
3444 IO::AIO::max_poll_time $TICK * 0.1; 3786 IO::AIO::max_poll_time $TICK * 0.1;
3445 $AIO_POLL_WATCHER = Event->io ( 3787 $Coro::AIO::WATCHER->priority (1);
3446 reentrant => 0,
3447 data => WF_AUTOCANCEL,
3448 fd => IO::AIO::poll_fileno,
3449 poll => 'r',
3450 prio => 6,
3451 cb => \&IO::AIO::poll_cb,
3452 );
3453} 3788}
3454 3789
3455my $_log_backtrace; 3790my $_log_backtrace;
3456 3791
3457sub _log_backtrace { 3792sub _log_backtrace {
3461 3796
3462 # limit the # of concurrent backtraces 3797 # limit the # of concurrent backtraces
3463 if ($_log_backtrace < 2) { 3798 if ($_log_backtrace < 2) {
3464 ++$_log_backtrace; 3799 ++$_log_backtrace;
3465 async { 3800 async {
3801 $Coro::current->{desc} = "abt $msg";
3802
3466 my @bt = fork_call { 3803 my @bt = fork_call {
3467 @addr = map { sprintf "%x", $_ } @addr; 3804 @addr = map { sprintf "%x", $_ } @addr;
3468 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3805 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3806 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470 or die "addr2line: $!"; 3807 or die "addr2line: $!";

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