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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.342 by root, Sun Aug 26 15:31:02 2007 UTC vs.
Revision 1.416 by root, Fri Apr 11 13:59:06 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}
1746 1947
1747sub load_header_from($) { 1948sub load_header_from($) {
1748 my ($self, $path) = @_; 1949 my ($self, $path) = @_;
1749 1950
1750 utf8::encode $path; 1951 utf8::encode $path;
1751 #aio_open $path, O_RDONLY, 0 1952 my $f = new_from_file cf::object::thawer $path
1752 # or return;
1753
1754 $self->_load_header ($path)
1755 or return; 1953 or return;
1954
1955 $self->_load_header ($f)
1956 or return;
1957
1958 local $MAP_LOADING{$self->{path}} = $self;
1959 $f->resolve_delayed_derefs;
1756 1960
1757 $self->{load_path} = $path; 1961 $self->{load_path} = $path;
1758 1962
1759 1 1963 1
1760} 1964}
1814sub find { 2018sub find {
1815 my ($path, $origin) = @_; 2019 my ($path, $origin) = @_;
1816 2020
1817 $path = normalise $path, $origin && $origin->path; 2021 $path = normalise $path, $origin && $origin->path;
1818 2022
2023 cf::lock_wait "map_data:$path";#d#remove
1819 cf::lock_wait "map_find:$path"; 2024 cf::lock_wait "map_find:$path";
1820 2025
1821 $cf::MAP{$path} || do { 2026 $cf::MAP{$path} || do {
1822 my $guard = cf::lock_acquire "map_find:$path"; 2027 my $guard1 = cf::lock_acquire "map_find:$path";
2028 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
1823 my $map = new_from_path cf::map $path 2030 my $map = new_from_path cf::map $path
1824 or return; 2031 or return;
1825 2032
1826 $map->{last_save} = $cf::RUNTIME; 2033 $map->{last_save} = $cf::RUNTIME;
1827 2034
1829 or return; 2036 or return;
1830 2037
1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2038 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832 # doing this can freeze the server in a sync job, obviously 2039 # doing this can freeze the server in a sync job, obviously
1833 #$cf::WAIT_FOR_TICK->wait; 2040 #$cf::WAIT_FOR_TICK->wait;
2041 undef $guard1;
2042 undef $guard2;
1834 $map->reset; 2043 $map->reset;
1835 undef $guard;
1836 return find $path; 2044 return find $path;
1837 } 2045 }
1838 2046
1839 $cf::MAP{$path} = $map 2047 $cf::MAP{$path} = $map
1840 } 2048 }
1849 local $self->{deny_reset} = 1; # loading can take a long time 2057 local $self->{deny_reset} = 1; # loading can take a long time
1850 2058
1851 my $path = $self->{path}; 2059 my $path = $self->{path};
1852 2060
1853 { 2061 {
1854 my $guard = cf::lock_acquire "map_load:$path"; 2062 my $guard = cf::lock_acquire "map_data:$path";
1855 2063
2064 return unless $self->valid;
1856 return if $self->in_memory != cf::MAP_SWAPPED; 2065 return unless $self->in_memory == cf::MAP_SWAPPED;
1857 2066
1858 $self->in_memory (cf::MAP_LOADING); 2067 $self->in_memory (cf::MAP_LOADING);
1859 2068
1860 $self->alloc; 2069 $self->alloc;
1861 2070
1862 $self->pre_load; 2071 $self->pre_load;
1863 Coro::cede; 2072 cf::cede_to_tick;
1864 2073
2074 my $f = new_from_file cf::object::thawer $self->{load_path};
2075 $f->skip_block;
1865 $self->_load_objects ($self->{load_path}, 1) 2076 $self->_load_objects ($f)
1866 or return; 2077 or return;
1867 2078
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2079 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869 if delete $self->{load_original}; 2080 if delete $self->{load_original};
1870 2081
1871 if (my $uniq = $self->uniq_path) { 2082 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq; 2083 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) { 2084 unless (aio_stat $uniq) {
2085 if (my $f = new_from_file cf::object::thawer $uniq) {
1874 $self->clear_unique_items; 2086 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0); 2087 $self->_load_objects ($f);
2088 $f->resolve_delayed_derefs;
2089 }
1876 } 2090 }
1877 } 2091 }
1878 2092
1879 Coro::cede; 2093 $f->resolve_delayed_derefs;
2094
2095 cf::cede_to_tick;
1880 # now do the right thing for maps 2096 # now do the right thing for maps
1881 $self->link_multipart_objects; 2097 $self->link_multipart_objects;
1882 $self->difficulty ($self->estimate_difficulty) 2098 $self->difficulty ($self->estimate_difficulty)
1883 unless $self->difficulty; 2099 unless $self->difficulty;
1884 Coro::cede; 2100 cf::cede_to_tick;
1885 2101
1886 unless ($self->{deny_activate}) { 2102 unless ($self->{deny_activate}) {
1887 $self->decay_objects; 2103 $self->decay_objects;
1888 $self->fix_auto_apply; 2104 $self->fix_auto_apply;
1889 $self->update_buttons; 2105 $self->update_buttons;
1890 Coro::cede; 2106 cf::cede_to_tick;
1891 $self->set_darkness_map; 2107 $self->set_darkness_map;
1892 Coro::cede; 2108 cf::cede_to_tick;
1893 $self->activate; 2109 $self->activate;
1894 } 2110 }
1895 2111
1896 $self->{last_save} = $cf::RUNTIME; 2112 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME); 2113 $self->last_access ($cf::RUNTIME);
1968 } 2184 }
1969 2185
1970 $MAP_PREFETCH{$path} |= $load; 2186 $MAP_PREFETCH{$path} |= $load;
1971 2187
1972 $MAP_PREFETCHER ||= cf::async { 2188 $MAP_PREFETCHER ||= cf::async {
2189 $Coro::current->{desc} = "map prefetcher";
2190
1973 while (%MAP_PREFETCH) { 2191 while (%MAP_PREFETCH) {
1974 while (my ($k, $v) = each %MAP_PREFETCH) { 2192 while (my ($k, $v) = each %MAP_PREFETCH) {
1975 if (my $map = find $k) { 2193 if (my $map = find $k) {
1976 $map->load if $v; 2194 $map->load if $v;
1977 } 2195 }
1987} 2205}
1988 2206
1989sub save { 2207sub save {
1990 my ($self) = @_; 2208 my ($self) = @_;
1991 2209
1992 my $lock = cf::lock_acquire "map_data:" . $self->path; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1993 2211
1994 $self->{last_save} = $cf::RUNTIME; 2212 $self->{last_save} = $cf::RUNTIME;
1995 2213
1996 return unless $self->dirty; 2214 return unless $self->dirty;
1997 2215
2003 return if $self->{deny_save}; 2221 return if $self->{deny_save};
2004 2222
2005 local $self->{last_access} = $self->last_access;#d# 2223 local $self->{last_access} = $self->last_access;#d#
2006 2224
2007 cf::async { 2225 cf::async {
2226 $Coro::current->{desc} = "map player save";
2008 $_->contr->save for $self->players; 2227 $_->contr->save for $self->players;
2009 }; 2228 };
2010 2229
2011 if ($uniq) { 2230 if ($uniq) {
2012 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2231 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2020 my ($self) = @_; 2239 my ($self) = @_;
2021 2240
2022 # save first because save cedes 2241 # save first because save cedes
2023 $self->save; 2242 $self->save;
2024 2243
2025 my $lock = cf::lock_acquire "map_data:" . $self->path; 2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2026 2245
2027 return if $self->players; 2246 return if $self->players;
2028 return if $self->in_memory != cf::MAP_IN_MEMORY; 2247 return if $self->in_memory != cf::MAP_IN_MEMORY;
2029 return if $self->{deny_save}; 2248 return if $self->{deny_save};
2030 2249
2250 $self->in_memory (cf::MAP_SWAPPED);
2251
2252 $self->deactivate;
2253 $_->clear_links_to ($self) for values %cf::MAP;
2031 $self->clear; 2254 $self->clear;
2032 $self->in_memory (cf::MAP_SWAPPED);
2033} 2255}
2034 2256
2035sub reset_at { 2257sub reset_at {
2036 my ($self) = @_; 2258 my ($self) = @_;
2037 2259
2069 if $uniq; 2291 if $uniq;
2070 } 2292 }
2071 2293
2072 delete $cf::MAP{$self->path}; 2294 delete $cf::MAP{$self->path};
2073 2295
2296 $self->deactivate;
2297 $_->clear_links_to ($self) for values %cf::MAP;
2074 $self->clear; 2298 $self->clear;
2075
2076 $_->clear_links_to ($self) for values %cf::MAP;
2077 2299
2078 $self->unlink_save; 2300 $self->unlink_save;
2079 $self->destroy; 2301 $self->destroy;
2080} 2302}
2081 2303
2082my $nuke_counter = "aaaa"; 2304my $nuke_counter = "aaaa";
2083 2305
2084sub nuke { 2306sub nuke {
2085 my ($self) = @_; 2307 my ($self) = @_;
2086 2308
2309 {
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
2087 delete $cf::MAP{$self->path}; 2312 delete $cf::MAP{$self->path};
2088 2313
2089 $self->unlink_save; 2314 $self->unlink_save;
2090 2315
2091 bless $self, "cf::map"; 2316 bless $self, "cf::map";
2092 delete $self->{deny_reset}; 2317 delete $self->{deny_reset};
2093 $self->{deny_save} = 1; 2318 $self->{deny_save} = 1;
2094 $self->reset_timeout (1); 2319 $self->reset_timeout (1);
2095 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2320 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096 2321
2097 $cf::MAP{$self->path} = $self; 2322 $cf::MAP{$self->path} = $self;
2323 }
2098 2324
2099 $self->reset; # polite request, might not happen 2325 $self->reset; # polite request, might not happen
2100} 2326}
2101 2327
2102=item $maps = cf::map::tmp_maps 2328=item $maps = cf::map::tmp_maps
2151 : () 2377 : ()
2152 } @{ aio_readdir $UNIQUEDIR or [] } 2378 } @{ aio_readdir $UNIQUEDIR or [] }
2153 ] 2379 ]
2154} 2380}
2155 2381
2156package cf;
2157
2158=back 2382=back
2159 2383
2160=head3 cf::object 2384=head3 cf::object
2161 2385
2162=cut 2386=cut
2176 map { $_, inv_recursive_ $_->inv } @_ 2400 map { $_, inv_recursive_ $_->inv } @_
2177} 2401}
2178 2402
2179sub inv_recursive { 2403sub inv_recursive {
2180 inv_recursive_ inv $_[0] 2404 inv_recursive_ inv $_[0]
2405}
2406
2407=item $ref = $ob->ref
2408
2409creates and returns a persistent reference to an objetc that can be stored as a string.
2410
2411=item $ob = cf::object::deref ($refstring)
2412
2413returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414even if the object actually exists. May block.
2415
2416=cut
2417
2418sub deref {
2419 my ($ref) = @_;
2420
2421 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2422 my ($uuid, $name) = ($1, $2);
2423 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2424 or return;
2425 $pl->ob->uuid eq $uuid
2426 or return;
2427
2428 $pl->ob
2429 } else {
2430 warn "$ref: cannot resolve object reference\n";
2431 undef
2432 }
2181} 2433}
2182 2434
2183package cf; 2435package cf;
2184 2436
2185=back 2437=back
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2597 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346 2598
2347 $self->enter_link; 2599 $self->enter_link;
2348 2600
2349 (async { 2601 (async {
2602 $Coro::current->{desc} = "player::goto $path $x $y";
2603
2604 # *tag paths override both path and x|y
2605 if ($path =~ /^\*(.*)$/) {
2606 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2607 my $ob = $obs[rand @obs];
2608
2609 # see if we actually can go there
2610 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2611 $ob = $obs[rand @obs];
2612 } else {
2613 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2614 }
2615 # else put us there anyways for now #d#
2616
2617 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2618 } else {
2619 ($path, $x, $y) = (undef, undef, undef);
2620 }
2621 }
2622
2350 my $map = eval { 2623 my $map = eval {
2351 my $map = cf::map::find $path; 2624 my $map = defined $path ? cf::map::find $path : undef;
2352 2625
2353 if ($map) { 2626 if ($map) {
2354 $map = $map->customise_for ($self); 2627 $map = $map->customise_for ($self);
2355 $map = $check->($map) if $check && $map; 2628 $map = $check->($map) if $check && $map;
2356 } else { 2629 } else {
2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2630 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358 } 2631 }
2359 2632
2360 $map 2633 $map
2361 }; 2634 };
2362 2635
2415 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
2416 } 2689 }
2417 2690
2418 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
2419 2692
2420 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
2421 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
2422 my $meta = "$RANDOMDIR/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
2423 2696
2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
2452 # if exit is damned, update players death & WoR home-position 2725 # if exit is damned, update players death & WoR home-position
2453 $self->contr->savebed ($slaying, $hp, $sp) 2726 $self->contr->savebed ($slaying, $hp, $sp)
2454 if $exit->flag (FLAG_DAMNED); 2727 if $exit->flag (FLAG_DAMNED);
2455 2728
2456 (async { 2729 (async {
2730 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2731
2457 $self->deactivate_recursive; # just to be sure 2732 $self->deactivate_recursive; # just to be sure
2458 unless (eval { 2733 unless (eval {
2459 $self->goto ($slaying, $hp, $sp); 2734 $self->goto ($slaying, $hp, $sp);
2460 2735
2461 1; 2736 1;
2496the message, with C<log> being the default. If C<$color> is negative, suppress 2771the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet. 2772the message unless the client supports the msg packet.
2498 2773
2499=cut 2774=cut
2500 2775
2776# non-persistent channels (usually the info channel)
2777our %CHANNEL = (
2778 "c/identify" => {
2779 id => "infobox",
2780 title => "Identify",
2781 reply => undef,
2782 tooltip => "Items recently identified",
2783 },
2784 "c/examine" => {
2785 id => "infobox",
2786 title => "Examine",
2787 reply => undef,
2788 tooltip => "Signs and other items you examined",
2789 },
2790 "c/book" => {
2791 id => "infobox",
2792 title => "Book",
2793 reply => undef,
2794 tooltip => "The contents of a note or book",
2795 },
2796 "c/lookat" => {
2797 id => "infobox",
2798 title => "Look",
2799 reply => undef,
2800 tooltip => "What you saw there",
2801 },
2802 "c/who" => {
2803 id => "infobox",
2804 title => "Players",
2805 reply => undef,
2806 tooltip => "Shows players who are currently online",
2807 },
2808 "c/body" => {
2809 id => "infobox",
2810 title => "Body Parts",
2811 reply => undef,
2812 tooltip => "Shows which body parts you posess and are available",
2813 },
2814 "c/uptime" => {
2815 id => "infobox",
2816 title => "Uptime",
2817 reply => undef,
2818 tooltip => "How long the server has been running since last restart",
2819 },
2820 "c/mapinfo" => {
2821 id => "infobox",
2822 title => "Map Info",
2823 reply => undef,
2824 tooltip => "Information related to the maps",
2825 },
2826);
2827
2501sub cf::client::send_msg { 2828sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_; 2829 my ($self, $channel, $msg, $color, @extra) = @_;
2503 2830
2504 $msg = $self->pl->expand_cfpod ($msg); 2831 $msg = $self->pl->expand_cfpod ($msg);
2505 2832
2506 $color &= cf::NDI_CLIENT_MASK; # just in case... 2833 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507 2834
2835 # check predefined channels, for the benefit of C
2836 if ($CHANNEL{$channel}) {
2837 $channel = $CHANNEL{$channel};
2838
2839 $self->ext_msg (channel_info => $channel)
2840 if $self->can_msg;
2841
2842 $channel = $channel->{id};
2843
2508 if (ref $channel) { 2844 } elsif (ref $channel) {
2509 # send meta info to client, if not yet sent 2845 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) { 2846 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel; 2847 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel); 2848 $self->ext_msg (channel_info => $channel)
2849 if $self->can_msg;
2513 } 2850 }
2514 2851
2515 $channel = $channel->{id}; 2852 $channel = $channel->{id};
2516 } 2853 }
2517 2854
2558=cut 2895=cut
2559 2896
2560sub cf::client::ext_msg($$@) { 2897sub cf::client::ext_msg($$@) {
2561 my ($self, $type, @msg) = @_; 2898 my ($self, $type, @msg) = @_;
2562 2899
2563 my $extcmd = $self->extcmd;
2564
2565 if ($extcmd == 2) { 2900 if ($self->extcmd == 2) {
2566 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2901 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567 } elsif ($extcmd == 1) { # TODO: remove 2902 } elsif ($self->extcmd == 1) { # TODO: remove
2568 push @msg, msgtype => "event_$type"; 2903 push @msg, msgtype => "event_$type";
2569 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2904 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570 } 2905 }
2571} 2906}
2572 2907
2579sub cf::client::ext_reply($$@) { 2914sub cf::client::ext_reply($$@) {
2580 my ($self, $id, @msg) = @_; 2915 my ($self, $id, @msg) = @_;
2581 2916
2582 if ($self->extcmd == 2) { 2917 if ($self->extcmd == 2) {
2583 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 2918 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584 } elsif ($self->ns->extcmd == 1) { 2919 } elsif ($self->extcmd == 1) {
2585 #TODO: version 1, remove 2920 #TODO: version 1, remove
2586 unshift @msg, msgtype => "reply", msgid => $id; 2921 unshift @msg, msgtype => "reply", msgid => $id;
2587 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2922 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588 } 2923 }
2589} 2924}
2731=pod 3066=pod
2732 3067
2733The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2734 3069
2735 cf::object 3070 cf::object
2736 contr pay_amount pay_player map x y force_find force_add 3071 contr pay_amount pay_player map x y force_find force_add destroy
2737 insert remove name archname title slaying race decrease_ob_nr 3072 insert remove name archname title slaying race decrease_ob_nr
2738 3073
2739 cf::object::player 3074 cf::object::player
2740 player 3075 player
2741 3076
2748=cut 3083=cut
2749 3084
2750for ( 3085for (
2751 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3086 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752 insert remove inv name archname title slaying race 3087 insert remove inv name archname title slaying race
2753 decrease_ob_nr)], 3088 decrease_ob_nr destroy)],
2754 ["cf::object::player" => qw(player)], 3089 ["cf::object::player" => qw(player)],
2755 ["cf::player" => qw(peaceful)], 3090 ["cf::player" => qw(peaceful)],
2756 ["cf::map" => qw(trigger)], 3091 ["cf::map" => qw(trigger)],
2757) { 3092) {
2758 no strict 'refs'; 3093 no strict 'refs';
2834# the server's init and main functions 3169# the server's init and main functions
2835 3170
2836sub load_facedata($) { 3171sub load_facedata($) {
2837 my ($path) = @_; 3172 my ($path) = @_;
2838 3173
3174 # HACK to clear player env face cache, we need some signal framework
3175 # for this (global event?)
3176 %ext::player_env::MUSIC_FACE_CACHE = ();
3177
2839 my $enc = JSON::XS->new->utf8->canonical; 3178 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2840 3179
2841 warn "loading facedata from $path\n"; 3180 warn "loading facedata from $path\n";
2842 3181
2843 my $facedata; 3182 my $facedata;
2844 0 < aio_load $path, $facedata 3183 0 < aio_load $path, $facedata
2859 { 3198 {
2860 my $faces = $facedata->{faceinfo}; 3199 my $faces = $facedata->{faceinfo};
2861 3200
2862 while (my ($face, $info) = each %$faces) { 3201 while (my ($face, $info) = each %$faces) {
2863 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
2864 cf::face::set_visibility $idx, $info->{visibility}; 3204 cf::face::set_visibility $idx, $info->{visibility};
2865 cf::face::set_magicmap $idx, $info->{magicmap}; 3205 cf::face::set_magicmap $idx, $info->{magicmap};
2866 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3206 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2867 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3207 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2868 3208
2869 cf::cede_to_tick; 3209 cf::cede_to_tick;
2870 } 3210 }
2871 3211
2872 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2873 next unless $info->{smooth}; 3213 next unless $info->{smooth};
3214
2874 my $idx = cf::face::find $face 3215 my $idx = cf::face::find $face
2875 or next; 3216 or next;
3217
2876 if (my $smooth = cf::face::find $info->{smooth}) { 3218 if (my $smooth = cf::face::find $info->{smooth}) {
2877 cf::face::set_smooth $idx, $smooth; 3219 cf::face::set_smooth $idx, $smooth;
2878 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2879 } else { 3221 } else {
2880 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
2898 { 3240 {
2899 # TODO: for gcfclient pleasure, we should give resources 3241 # TODO: for gcfclient pleasure, we should give resources
2900 # that gcfclient doesn't grok a >10000 face index. 3242 # that gcfclient doesn't grok a >10000 face index.
2901 my $res = $facedata->{resource}; 3243 my $res = $facedata->{resource};
2902 3244
2903 my $soundconf = delete $res->{"res/sound.conf"};
2904
2905 while (my ($name, $info) = each %$res) { 3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
2906 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2907 my $data; 3248 my $data;
2908 3249
2909 if ($info->{type} & 1) { 3250 if ($info->{type} & 1) {
2910 # prepend meta info 3251 # prepend meta info
2911 3252
2912 my $meta = $enc->encode ({ 3253 my $meta = $enc->encode ({
2913 name => $name, 3254 name => $name,
2914 %{ $info->{meta} || {} }, 3255 %{ $info->{meta} || {} },
2915 }); 3256 });
2916 3257
2917 $data = pack "(w/a*)*", $meta, $info->{data}; 3258 $data = pack "(w/a*)*", $meta, $info->{data};
3259 } else {
3260 $data = $info->{data};
3261 }
3262
3263 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264 cf::face::set_type $idx, $info->{type};
2918 } else { 3265 } else {
2919 $data = $info->{data}; 3266 $RESOURCE{$name} = $info;
2920 } 3267 }
2921 3268
2922 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2923 cf::face::set_type $idx, $info->{type};
2924
2925 cf::cede_to_tick; 3269 cf::cede_to_tick;
2926 } 3270 }
2927
2928 if ($soundconf) {
2929 $soundconf = $enc->decode (delete $soundconf->{data});
2930
2931 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2932 my $sound = $soundconf->{compat}[$_]
2933 or next;
2934
2935 my $face = cf::face::find "sound/$sound->[1]";
2936 cf::sound::set $sound->[0] => $face;
2937 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2938 }
2939
2940 while (my ($k, $v) = each %{$soundconf->{event}}) {
2941 my $face = cf::face::find "sound/$v";
2942 cf::sound::set $k => $face;
2943 }
2944 }
2945 } 3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2946 3274
2947 1 3275 1
2948} 3276}
3277
3278cf::global->attach (on_resource_update => sub {
3279 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283 my $sound = $soundconf->{compat}[$_]
3284 or next;
3285
3286 my $face = cf::face::find "sound/$sound->[1]";
3287 cf::sound::set $sound->[0] => $face;
3288 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289 }
3290
3291 while (my ($k, $v) = each %{$soundconf->{event}}) {
3292 my $face = cf::face::find "sound/$v";
3293 cf::sound::set $k => $face;
3294 }
3295 }
3296});
2949 3297
2950register_exticmd fx_want => sub { 3298register_exticmd fx_want => sub {
2951 my ($ns, $want) = @_; 3299 my ($ns, $want) = @_;
2952 3300
2953 while (my ($k, $v) = each %$want) { 3301 while (my ($k, $v) = each %$want) {
2954 $ns->fx_want ($k, $v); 3302 $ns->fx_want ($k, $v);
2955 } 3303 }
2956}; 3304};
2957 3305
2958sub reload_regions { 3306sub reload_regions {
3307 # HACK to clear player env face cache, we need some signal framework
3308 # for this (global event?)
3309 %ext::player_env::MUSIC_FACE_CACHE = ();
3310
2959 load_resource_file "$MAPDIR/regions" 3311 load_resource_file "$MAPDIR/regions"
2960 or die "unable to load regions file\n"; 3312 or die "unable to load regions file\n";
2961 3313
2962 for (cf::region::list) { 3314 for (cf::region::list) {
2963 $_->{match} = qr/$_->{match}/ 3315 $_->{match} = qr/$_->{match}/
2999 3351
3000sub init { 3352sub init {
3001 reload_resources; 3353 reload_resources;
3002} 3354}
3003 3355
3004sub cfg_load { 3356sub reload_config {
3005 open my $fh, "<:utf8", "$CONFDIR/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
3006 or return; 3358 or return;
3007 3359
3008 local $/; 3360 local $/;
3009 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
3010 3362
3011 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3012 3364
3013 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3365 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3014 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3366 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3025sub main { 3377sub main {
3026 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
3027 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
3028 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3380 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3029 (async { 3381 (async {
3030 Event::one_event; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3383 EV::loop EV::LOOP_ONESHOT;
3031 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
3032 }; 3385 };
3033 3386
3034 cfg_load; 3387 reload_config;
3035 db_init; 3388 db_init;
3036 load_extensions; 3389 load_extensions;
3037 3390
3038 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
3039 Event::loop; 3393 EV::loop;
3040} 3394}
3041 3395
3042############################################################################# 3396#############################################################################
3043# initialisation and cleanup 3397# initialisation and cleanup
3044 3398
3045# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
3046BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
3047 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
3048 Event->signal ( 3403 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3049 reentrant => 0,
3050 data => WF_AUTOCANCEL,
3051 signal => $signal,
3052 prio => 0,
3053 cb => sub {
3054 cf::cleanup "SIG$signal"; 3404 cf::cleanup "SIG$signal";
3055 },
3056 ); 3405 };
3057 } 3406 }
3058} 3407}
3059 3408
3060sub write_runtime { 3409sub write_runtime {
3061 my $runtime = "$LOCALDIR/runtime"; 3410 my $runtime = "$LOCALDIR/runtime";
3091 and return; 3440 and return;
3092 3441
3093 warn "runtime file written.\n"; 3442 warn "runtime file written.\n";
3094 3443
3095 1 3444 1
3445}
3446
3447our $uuid_lock;
3448our $uuid_skip;
3449
3450sub write_uuid_sync($) {
3451 $uuid_skip ||= $_[0];
3452
3453 return if $uuid_lock;
3454 local $uuid_lock = 1;
3455
3456 my $uuid = "$LOCALDIR/uuid";
3457
3458 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459 or return;
3460
3461 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3462 $uuid_skip = 0;
3463
3464 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3465 and return;
3466
3467 # always fsync - this file is important
3468 aio_fsync $fh
3469 and return;
3470
3471 close $fh
3472 or return;
3473
3474 aio_rename "$uuid~", $uuid
3475 and return;
3476
3477 warn "uuid file written ($value).\n";
3478
3479 1
3480
3481}
3482
3483sub write_uuid($$) {
3484 my ($skip, $sync) = @_;
3485
3486 $sync ? write_uuid_sync $skip
3487 : async { write_uuid_sync $skip };
3096} 3488}
3097 3489
3098sub emergency_save() { 3490sub emergency_save() {
3099 my $freeze_guard = cf::freeze_mainloop; 3491 my $freeze_guard = cf::freeze_mainloop;
3100 3492
3106 # and maps saved/destroyed asynchronously. 3498 # and maps saved/destroyed asynchronously.
3107 warn "begin emergency player save\n"; 3499 warn "begin emergency player save\n";
3108 for my $login (keys %cf::PLAYER) { 3500 for my $login (keys %cf::PLAYER) {
3109 my $pl = $cf::PLAYER{$login} or next; 3501 my $pl = $cf::PLAYER{$login} or next;
3110 $pl->valid or next; 3502 $pl->valid or next;
3503 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3111 $pl->save; 3504 $pl->save;
3112 } 3505 }
3113 warn "end emergency player save\n"; 3506 warn "end emergency player save\n";
3114 3507
3115 warn "begin emergency map save\n"; 3508 warn "begin emergency map save\n";
3121 warn "end emergency map save\n"; 3514 warn "end emergency map save\n";
3122 3515
3123 warn "begin emergency database checkpoint\n"; 3516 warn "begin emergency database checkpoint\n";
3124 BDB::db_env_txn_checkpoint $DB_ENV; 3517 BDB::db_env_txn_checkpoint $DB_ENV;
3125 warn "end emergency database checkpoint\n"; 3518 warn "end emergency database checkpoint\n";
3519
3520 warn "begin write uuid\n";
3521 write_uuid_sync 1;
3522 warn "end write uuid\n";
3126 }; 3523 };
3127 3524
3128 warn "leave emergency perl save\n"; 3525 warn "leave emergency perl save\n";
3129} 3526}
3130 3527
3154 warn "syncing database to disk"; 3551 warn "syncing database to disk";
3155 BDB::db_env_txn_checkpoint $DB_ENV; 3552 BDB::db_env_txn_checkpoint $DB_ENV;
3156 3553
3157 # if anything goes wrong in here, we should simply crash as we already saved 3554 # if anything goes wrong in here, we should simply crash as we already saved
3158 3555
3159 warn "cancelling all WF_AUTOCANCEL watchers";
3160 for (Event::all_watchers) {
3161 $_->cancel if $_->data & WF_AUTOCANCEL;
3162 }
3163
3164 warn "flushing outstanding aio requests"; 3556 warn "flushing outstanding aio requests";
3165 for (;;) { 3557 for (;;) {
3166 BDB::flush; 3558 BDB::flush;
3167 IO::AIO::flush; 3559 IO::AIO::flush;
3168 Coro::cede; 3560 Coro::cede_notself;
3169 last unless IO::AIO::nreqs || BDB::nreqs; 3561 last unless IO::AIO::nreqs || BDB::nreqs;
3170 warn "iterate..."; 3562 warn "iterate...";
3171 } 3563 }
3172 3564
3173 ++$RELOAD; 3565 ++$RELOAD;
3232 warn "reloading cf.pm"; 3624 warn "reloading cf.pm";
3233 require cf; 3625 require cf;
3234 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3626 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3235 3627
3236 warn "loading config and database again"; 3628 warn "loading config and database again";
3237 cf::cfg_load; 3629 cf::reload_config;
3238 3630
3239 warn "loading extensions"; 3631 warn "loading extensions";
3240 cf::load_extensions; 3632 cf::load_extensions;
3241 3633
3242 warn "reattaching attachments to objects/players"; 3634 warn "reattaching attachments to objects/players";
3249 warn "leaving sync_job"; 3641 warn "leaving sync_job";
3250 3642
3251 1 3643 1
3252 } or do { 3644 } or do {
3253 warn $@; 3645 warn $@;
3254 warn "error while reloading, exiting."; 3646 cf::cleanup "error while reloading, exiting.";
3255 exit 1;
3256 }; 3647 };
3257 3648
3258 warn "reloaded"; 3649 warn "reloaded";
3259}; 3650};
3260 3651
3262 3653
3263sub reload_perl() { 3654sub reload_perl() {
3264 # doing reload synchronously and two reloads happen back-to-back, 3655 # doing reload synchronously and two reloads happen back-to-back,
3265 # coro crashes during coro_state_free->destroy here. 3656 # coro crashes during coro_state_free->destroy here.
3266 3657
3267 $RELOAD_WATCHER ||= Event->timer ( 3658 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3268 reentrant => 0,
3269 after => 0,
3270 data => WF_AUTOCANCEL,
3271 cb => sub {
3272 do_reload_perl; 3659 do_reload_perl;
3273 undef $RELOAD_WATCHER; 3660 undef $RELOAD_WATCHER;
3274 },
3275 ); 3661 };
3276} 3662}
3277 3663
3278register_command "reload" => sub { 3664register_command "reload" => sub {
3279 my ($who, $arg) = @_; 3665 my ($who, $arg) = @_;
3280 3666
3281 if ($who->flag (FLAG_WIZ)) { 3667 if ($who->flag (FLAG_WIZ)) {
3282 $who->message ("reloading server."); 3668 $who->message ("reloading server.");
3669 async {
3670 $Coro::current->{desc} = "perl_reload";
3283 async { reload_perl }; 3671 reload_perl;
3672 };
3284 } 3673 }
3285}; 3674};
3286 3675
3287unshift @INC, $LIBDIR; 3676unshift @INC, $LIBDIR;
3288 3677
3290 3679
3291our @WAIT_FOR_TICK; 3680our @WAIT_FOR_TICK;
3292our @WAIT_FOR_TICK_BEGIN; 3681our @WAIT_FOR_TICK_BEGIN;
3293 3682
3294sub wait_for_tick { 3683sub wait_for_tick {
3295 return unless $TICK_WATCHER->is_active; 3684 return if tick_inhibit;
3296 return if $Coro::current == $Coro::main; 3685 return if $Coro::current == $Coro::main;
3297 3686
3298 my $signal = new Coro::Signal; 3687 my $signal = new Coro::Signal;
3299 push @WAIT_FOR_TICK, $signal; 3688 push @WAIT_FOR_TICK, $signal;
3300 $signal->wait; 3689 $signal->wait;
3301} 3690}
3302 3691
3303sub wait_for_tick_begin { 3692sub wait_for_tick_begin {
3304 return unless $TICK_WATCHER->is_active; 3693 return if tick_inhibit;
3305 return if $Coro::current == $Coro::main; 3694 return if $Coro::current == $Coro::main;
3306 3695
3307 my $signal = new Coro::Signal; 3696 my $signal = new Coro::Signal;
3308 push @WAIT_FOR_TICK_BEGIN, $signal; 3697 push @WAIT_FOR_TICK_BEGIN, $signal;
3309 $signal->wait; 3698 $signal->wait;
3310} 3699}
3311 3700
3312 my $min = 1e6;#d# 3701sub tick {
3313 my $avg = 10;
3314$TICK_WATCHER = Event->timer (
3315 reentrant => 0,
3316 parked => 1,
3317 prio => 0,
3318 at => $NEXT_TICK || $TICK,
3319 data => WF_AUTOCANCEL,
3320 cb => sub {
3321 if ($Coro::current != $Coro::main) { 3702 if ($Coro::current != $Coro::main) {
3322 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3703 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3323 unless ++$bug_warning > 10; 3704 unless ++$bug_warning > 10;
3324 return; 3705 return;
3325 } 3706 }
3326 3707
3327 $NOW = $tick_start = Event::time;
3328
3329 cf::server_tick; # one server iteration 3708 cf::server_tick; # one server iteration
3330 3709
3331 0 && sync_job {#d# 3710 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3332 for(1..10) { 3711 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3333 my $t = Event::time; 3712 Coro::async_pool {
3334 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3713 $Coro::current->{desc} = "runtime saver";
3335 or die; 3714 write_runtime
3336 3715 or warn "ERROR: unable to write runtime file: $!";
3337 $map->width (50);
3338 $map->height (50);
3339 $map->alloc;
3340 $map->_load_objects ("/tmp/x.map", 1);
3341 my $t = Event::time - $t;
3342
3343 #next unless $t < 0.0013;#d#
3344 if ($t < $min) {
3345 $min = $t;
3346 }
3347 $avg = $avg * 0.99 + $t * 0.01;
3348 }
3349 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3350 exit 0;
3351 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3352 }; 3716 };
3717 }
3353 3718
3354 $RUNTIME += $TICK;
3355 $NEXT_TICK += $TICK;
3356
3357 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3358 $NEXT_RUNTIME_WRITE = $NOW + 10;
3359 Coro::async_pool {
3360 write_runtime
3361 or warn "ERROR: unable to write runtime file: $!";
3362 };
3363 }
3364
3365# my $AFTER = Event::time;
3366# warn $AFTER - $NOW;#d#
3367
3368 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3719 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3369 $sig->send; 3720 $sig->send;
3370 } 3721 }
3371 while (my $sig = shift @WAIT_FOR_TICK) { 3722 while (my $sig = shift @WAIT_FOR_TICK) {
3372 $sig->send; 3723 $sig->send;
3373 } 3724 }
3374 3725
3375 $NOW = Event::time; 3726 $LOAD = ($NOW - $TICK_START) / $TICK;
3376
3377 # if we are delayed by four ticks or more, skip them all
3378 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3379
3380 $TICK_WATCHER->at ($NEXT_TICK);
3381 $TICK_WATCHER->start;
3382
3383 $LOAD = ($NOW - $tick_start) / $TICK;
3384 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3727 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3385 3728
3386 _post_tick; 3729 if (0) {
3387 3730 if ($NEXT_TICK) {
3388 3731 my $jitter = $TICK_START - $NEXT_TICK;
3732 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733 warn "jitter $JITTER\n";#d#
3734 }
3389 }, 3735 }
3390); 3736}
3391 3737
3392{ 3738{
3393 BDB::max_poll_time $TICK * 0.1; 3739 # configure BDB
3394 $BDB_POLL_WATCHER = Event->io ( 3740
3395 reentrant => 0,
3396 fd => BDB::poll_fileno,
3397 poll => 'r',
3398 prio => 0,
3399 data => WF_AUTOCANCEL,
3400 cb => \&BDB::poll_cb,
3401 );
3402 BDB::min_parallel 8; 3741 BDB::min_parallel 8;
3403 3742 BDB::max_poll_reqs $TICK * 0.1;
3404 BDB::set_sync_prepare { 3743 $Coro::BDB::WATCHER->priority (1);
3405 my $status;
3406 my $current = $Coro::current;
3407 (
3408 sub {
3409 $status = $!;
3410 $current->ready; undef $current;
3411 },
3412 sub {
3413 Coro::schedule while defined $current;
3414 $! = $status;
3415 },
3416 )
3417 };
3418 3744
3419 unless ($DB_ENV) { 3745 unless ($DB_ENV) {
3420 $DB_ENV = BDB::db_env_create; 3746 $DB_ENV = BDB::db_env_create;
3747 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3748 | BDB::LOG_AUTOREMOVE, 1);
3749 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3421 3751
3422 cf::sync_job { 3752 cf::sync_job {
3423 eval { 3753 eval {
3424 BDB::db_env_open 3754 BDB::db_env_open
3425 $DB_ENV, 3755 $DB_ENV,
3427 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3757 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3428 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3758 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3429 0666; 3759 0666;
3430 3760
3431 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3761 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3432
3433 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3434 $DB_ENV->set_lk_detect;
3435 }; 3762 };
3436 3763
3437 cf::cleanup "db_env_open(db): $@" if $@; 3764 cf::cleanup "db_env_open(db): $@" if $@;
3438 }; 3765 };
3439 } 3766 }
3767
3768 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3769 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3770 };
3771 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3772 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3773 };
3774 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3775 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3776 };
3440} 3777}
3441 3778
3442{ 3779{
3780 # configure IO::AIO
3781
3443 IO::AIO::min_parallel 8; 3782 IO::AIO::min_parallel 8;
3444
3445 undef $Coro::AIO::WATCHER;
3446 IO::AIO::max_poll_time $TICK * 0.1; 3783 IO::AIO::max_poll_time $TICK * 0.1;
3447 $AIO_POLL_WATCHER = Event->io ( 3784 $Coro::AIO::WATCHER->priority (1);
3448 reentrant => 0,
3449 data => WF_AUTOCANCEL,
3450 fd => IO::AIO::poll_fileno,
3451 poll => 'r',
3452 prio => 6,
3453 cb => \&IO::AIO::poll_cb,
3454 );
3455} 3785}
3456 3786
3457my $_log_backtrace; 3787my $_log_backtrace;
3458 3788
3459sub _log_backtrace { 3789sub _log_backtrace {
3463 3793
3464 # limit the # of concurrent backtraces 3794 # limit the # of concurrent backtraces
3465 if ($_log_backtrace < 2) { 3795 if ($_log_backtrace < 2) {
3466 ++$_log_backtrace; 3796 ++$_log_backtrace;
3467 async { 3797 async {
3798 $Coro::current->{desc} = "abt $msg";
3799
3468 my @bt = fork_call { 3800 my @bt = fork_call {
3469 @addr = map { sprintf "%x", $_ } @addr; 3801 @addr = map { sprintf "%x", $_ } @addr;
3470 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3802 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3471 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3803 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3472 or die "addr2line: $!"; 3804 or die "addr2line: $!";

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