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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.417 by root, Fri Apr 11 14:09:57 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
1149 my ($type, $reply, @payload) = 1284 my ($type, $reply, @payload) =
1150 "ARRAY" eq ref $msg 1285 "ARRAY" eq ref $msg
1151 ? @$msg 1286 ? @$msg
1152 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1287 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153 1288
1289 my @reply;
1290
1154 if (my $cb = $EXTCMD{$type}) { 1291 if (my $cb = $EXTCMD{$type}) {
1155 my @reply = $cb->($pl, @payload); 1292 @reply = $cb->($pl, @payload);
1156
1157 $pl->ext_reply ($reply, @reply)
1158 if $reply;
1159 } 1293 }
1294
1295 $pl->ext_reply ($reply, @reply)
1296 if $reply;
1297
1160 } else { 1298 } else {
1161 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1299 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162 } 1300 }
1163 1301
1164 cf::override; 1302 cf::override;
1217 my $msg = $@ ? "$v->{path}: $@\n" 1355 my $msg = $@ ? "$v->{path}: $@\n"
1218 : "$v->{base}: extension inactive.\n"; 1356 : "$v->{base}: extension inactive.\n";
1219 1357
1220 if (exists $v->{meta}{mandatory}) { 1358 if (exists $v->{meta}{mandatory}) {
1221 warn $msg; 1359 warn $msg;
1222 warn "mandatory extension failed to load, exiting.\n"; 1360 cf::cleanup "mandatory extension failed to load, exiting.";
1223 exit 1;
1224 } 1361 }
1225 1362
1226 warn $msg; 1363 warn $msg;
1227 } 1364 }
1228 1365
1253use Coro::AIO; 1390use Coro::AIO;
1254 1391
1255=head3 cf::player 1392=head3 cf::player
1256 1393
1257=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}
1258 1409
1259=item cf::player::find $login 1410=item cf::player::find $login
1260 1411
1261Returns the given player object, loading it if necessary (might block). 1412Returns the given player object, loading it if necessary (might block).
1262 1413
1298 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1449 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1450 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1451 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301 aio_unlink +(playerdir $login) . "/$login.pl"; 1452 aio_unlink +(playerdir $login) . "/$login.pl";
1302 1453
1303 my $pl = load_pl path $login 1454 my $f = new_from_file cf::object::thawer path $login
1304 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;
1305 $cf::PLAYER{$login} = $pl 1461 $cf::PLAYER{$login} = $pl
1306 } 1462 }
1307 } 1463 }
1308} 1464}
1309 1465
1319 1475
1320 aio_mkdir playerdir $pl, 0770; 1476 aio_mkdir playerdir $pl, 0770;
1321 $pl->{last_save} = $cf::RUNTIME; 1477 $pl->{last_save} = $cf::RUNTIME;
1322 1478
1323 $pl->save_pl ($path); 1479 $pl->save_pl ($path);
1324 Coro::cede; 1480 cf::cede_to_tick;
1325} 1481}
1326 1482
1327sub new($) { 1483sub new($) {
1328 my ($login) = @_; 1484 my ($login) = @_;
1329 1485
1407 or return []; 1563 or return [];
1408 1564
1409 my @logins; 1565 my @logins;
1410 1566
1411 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") {
1412 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1572 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413 aio_read $fh, 0, 512, my $buf, 0 or next; 1573 aio_read $fh, 0, 512, my $buf, 0 or next;
1414 $buf !~ /^password -------------$/m or next; # official not-valid tag 1574 $buf !~ /^password -------------$/m or next; # official not-valid tag
1575 }
1415 1576
1416 utf8::decode $login; 1577 utf8::decode $login;
1417 push @logins, $login; 1578 push @logins, $login;
1418 } 1579 }
1419 1580
1452 1613
1453Expand crossfire pod fragments into protocol xml. 1614Expand crossfire pod fragments into protocol xml.
1454 1615
1455=cut 1616=cut
1456 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
1457sub expand_cfpod { 1629sub expand_cfpod {
1458 ((my $self), (local $_)) = @_; 1630 my ($self, $pod) = @_;
1459 1631
1460 # escape & and < 1632 my $xml;
1461 s/&/&amp;/g;
1462 s/(?<![BIUGH])</&lt;/g;
1463 1633
1464 # this is buggy, it needs to properly take care of nested <'s 1634 while () {
1635 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636 $group = $1;
1465 1637
1466 1 while 1638 $group =~ s/&/&amp;/g;
1467 # replace B<>, I<>, U<> etc. 1639 $group =~ s/</&lt;/g;
1468 s/B<([^\>]*)>/<b>$1<\/b>/ 1640
1469 || s/I<([^\>]*)>/<i>$1<\/i>/ 1641 $xml .= $group;
1470 || s/U<([^\>]*)>/<u>$1<\/u>/ 1642 } elsif ($pod =~ m%\G
1471 # replace G<male|female> tags 1643 ([BCGHITU])
1472 || s{G<([^>|]*)\|([^>]*)>}{ 1644 <
1473 $self->gender ? $2 : $1 1645 (?:
1474 }ge 1646 ([^<>]*) (?{ $group = $^N })
1475 # replace H<hint text> 1647 | < $interior >
1476 || s{H<([^\>]*)>} 1648 )
1649 >
1650 %gcsx
1477 { 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") {
1478 ("<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>",
1479 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>", 1670 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480 "") 1671 "")
1481 [$self->{hintmode}] 1672 [$self->{hintmode}];
1673 } else {
1674 $xml .= "error processing '$code($data)' directive";
1482 }ge; 1675 }
1676 } else {
1677 if ($pod =~ /\G(.+)/) {
1678 warn "parse error while expanding $pod (at $1)";
1679 }
1680 last;
1681 }
1682 }
1483 1683
1684 for ($xml) {
1484 # create single paragraphs (very hackish) 1685 # create single paragraphs (very hackish)
1485 s/(?<=\S)\n(?=\w)/ /g; 1686 s/(?<=\S)\n(?=\w)/ /g;
1486 1687
1487 # compress some whitespace 1688 # compress some whitespace
1488 s/\s+\n/\n/g; # ws line-ends 1689 s/\s+\n/\n/g; # ws line-ends
1489 s/\n\n+/\n/g; # double lines 1690 s/\n\n+/\n/g; # double lines
1490 s/^\n+//; # beginning lines 1691 s/^\n+//; # beginning lines
1491 s/\n+$//; # ending lines 1692 s/\n+$//; # ending lines
1693 }
1492 1694
1493 $_ 1695 $xml
1494} 1696}
1697
1698no re 'eval';
1495 1699
1496sub hintmode { 1700sub hintmode {
1497 $_[0]{hintmode} = $_[1] if @_ > 1; 1701 $_[0]{hintmode} = $_[1] if @_ > 1;
1498 $_[0]{hintmode} 1702 $_[0]{hintmode}
1499} 1703}
1743 1947
1744sub load_header_from($) { 1948sub load_header_from($) {
1745 my ($self, $path) = @_; 1949 my ($self, $path) = @_;
1746 1950
1747 utf8::encode $path; 1951 utf8::encode $path;
1748 #aio_open $path, O_RDONLY, 0 1952 my $f = new_from_file cf::object::thawer $path
1749 # or return;
1750
1751 $self->_load_header ($path)
1752 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;
1753 1960
1754 $self->{load_path} = $path; 1961 $self->{load_path} = $path;
1755 1962
1756 1 1963 1
1757} 1964}
1811sub find { 2018sub find {
1812 my ($path, $origin) = @_; 2019 my ($path, $origin) = @_;
1813 2020
1814 $path = normalise $path, $origin && $origin->path; 2021 $path = normalise $path, $origin && $origin->path;
1815 2022
2023 cf::lock_wait "map_data:$path";#d#remove
1816 cf::lock_wait "map_find:$path"; 2024 cf::lock_wait "map_find:$path";
1817 2025
1818 $cf::MAP{$path} || do { 2026 $cf::MAP{$path} || do {
1819 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
1820 my $map = new_from_path cf::map $path 2030 my $map = new_from_path cf::map $path
1821 or return; 2031 or return;
1822 2032
1823 $map->{last_save} = $cf::RUNTIME; 2033 $map->{last_save} = $cf::RUNTIME;
1824 2034
1826 or return; 2036 or return;
1827 2037
1828 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2038 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829 # doing this can freeze the server in a sync job, obviously 2039 # doing this can freeze the server in a sync job, obviously
1830 #$cf::WAIT_FOR_TICK->wait; 2040 #$cf::WAIT_FOR_TICK->wait;
2041 undef $guard1;
2042 undef $guard2;
1831 $map->reset; 2043 $map->reset;
1832 undef $guard;
1833 return find $path; 2044 return find $path;
1834 } 2045 }
1835 2046
1836 $cf::MAP{$path} = $map 2047 $cf::MAP{$path} = $map
1837 } 2048 }
1846 local $self->{deny_reset} = 1; # loading can take a long time 2057 local $self->{deny_reset} = 1; # loading can take a long time
1847 2058
1848 my $path = $self->{path}; 2059 my $path = $self->{path};
1849 2060
1850 { 2061 {
1851 my $guard = cf::lock_acquire "map_load:$path"; 2062 my $guard = cf::lock_acquire "map_data:$path";
1852 2063
2064 return unless $self->valid;
1853 return if $self->in_memory != cf::MAP_SWAPPED; 2065 return unless $self->in_memory == cf::MAP_SWAPPED;
1854 2066
1855 $self->in_memory (cf::MAP_LOADING); 2067 $self->in_memory (cf::MAP_LOADING);
1856 2068
1857 $self->alloc; 2069 $self->alloc;
1858 2070
1859 $self->pre_load; 2071 $self->pre_load;
1860 Coro::cede; 2072 cf::cede_to_tick;
1861 2073
2074 my $f = new_from_file cf::object::thawer $self->{load_path};
2075 $f->skip_block;
1862 $self->_load_objects ($self->{load_path}, 1) 2076 $self->_load_objects ($f)
1863 or return; 2077 or return;
1864 2078
1865 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2079 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1866 if delete $self->{load_original}; 2080 if delete $self->{load_original};
1867 2081
1868 if (my $uniq = $self->uniq_path) { 2082 if (my $uniq = $self->uniq_path) {
1869 utf8::encode $uniq; 2083 utf8::encode $uniq;
1870 if (aio_open $uniq, O_RDONLY, 0) { 2084 unless (aio_stat $uniq) {
2085 if (my $f = new_from_file cf::object::thawer $uniq) {
1871 $self->clear_unique_items; 2086 $self->clear_unique_items;
1872 $self->_load_objects ($uniq, 0); 2087 $self->_load_objects ($f);
2088 $f->resolve_delayed_derefs;
2089 }
1873 } 2090 }
1874 } 2091 }
1875 2092
1876 Coro::cede; 2093 $f->resolve_delayed_derefs;
2094
2095 cf::cede_to_tick;
1877 # now do the right thing for maps 2096 # now do the right thing for maps
1878 $self->link_multipart_objects; 2097 $self->link_multipart_objects;
1879 $self->difficulty ($self->estimate_difficulty) 2098 $self->difficulty ($self->estimate_difficulty)
1880 unless $self->difficulty; 2099 unless $self->difficulty;
1881 Coro::cede; 2100 cf::cede_to_tick;
1882 2101
1883 unless ($self->{deny_activate}) { 2102 unless ($self->{deny_activate}) {
1884 $self->decay_objects; 2103 $self->decay_objects;
1885 $self->fix_auto_apply; 2104 $self->fix_auto_apply;
1886 $self->update_buttons; 2105 $self->update_buttons;
1887 Coro::cede; 2106 cf::cede_to_tick;
1888 $self->set_darkness_map; 2107 $self->set_darkness_map;
1889 Coro::cede; 2108 cf::cede_to_tick;
1890 $self->activate; 2109 $self->activate;
1891 } 2110 }
1892 2111
1893 $self->{last_save} = $cf::RUNTIME; 2112 $self->{last_save} = $cf::RUNTIME;
1894 $self->last_access ($cf::RUNTIME); 2113 $self->last_access ($cf::RUNTIME);
1944} 2163}
1945 2164
1946sub do_load_sync { 2165sub do_load_sync {
1947 my ($map) = @_; 2166 my ($map) = @_;
1948 2167
2168 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2169 if $Coro::current == $Coro::main;
2170
1949 cf::sync_job { $map->load }; 2171 cf::sync_job { $map->load };
1950} 2172}
1951 2173
1952our %MAP_PREFETCH; 2174our %MAP_PREFETCH;
1953our $MAP_PREFETCHER = undef; 2175our $MAP_PREFETCHER = undef;
1954 2176
1955sub find_async { 2177sub find_async {
1956 my ($path, $origin) = @_; 2178 my ($path, $origin, $load) = @_;
1957 2179
1958 $path = normalise $path, $origin && $origin->{path}; 2180 $path = normalise $path, $origin && $origin->{path};
1959 2181
1960 if (my $map = $cf::MAP{$path}) { 2182 if (my $map = $cf::MAP{$path}) {
1961 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2183 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1962 } 2184 }
1963 2185
1964 undef $MAP_PREFETCH{$path}; 2186 $MAP_PREFETCH{$path} |= $load;
2187
1965 $MAP_PREFETCHER ||= cf::async { 2188 $MAP_PREFETCHER ||= cf::async {
2189 $Coro::current->{desc} = "map prefetcher";
2190
1966 while (%MAP_PREFETCH) { 2191 while (%MAP_PREFETCH) {
1967 for my $path (keys %MAP_PREFETCH) { 2192 while (my ($k, $v) = each %MAP_PREFETCH) {
1968 if (my $map = find $path) { 2193 if (my $map = find $k) {
1969 $map->load; 2194 $map->load if $v;
1970 } 2195 }
1971 2196
1972 delete $MAP_PREFETCH{$path}; 2197 delete $MAP_PREFETCH{$k};
1973 } 2198 }
1974 } 2199 }
1975 undef $MAP_PREFETCHER; 2200 undef $MAP_PREFETCHER;
1976 }; 2201 };
1977 $MAP_PREFETCHER->prio (6); 2202 $MAP_PREFETCHER->prio (6);
1980} 2205}
1981 2206
1982sub save { 2207sub save {
1983 my ($self) = @_; 2208 my ($self) = @_;
1984 2209
1985 my $lock = cf::lock_acquire "map_data:" . $self->path; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1986 2211
1987 $self->{last_save} = $cf::RUNTIME; 2212 $self->{last_save} = $cf::RUNTIME;
1988 2213
1989 return unless $self->dirty; 2214 return unless $self->dirty;
1990 2215
1996 return if $self->{deny_save}; 2221 return if $self->{deny_save};
1997 2222
1998 local $self->{last_access} = $self->last_access;#d# 2223 local $self->{last_access} = $self->last_access;#d#
1999 2224
2000 cf::async { 2225 cf::async {
2226 $Coro::current->{desc} = "map player save";
2001 $_->contr->save for $self->players; 2227 $_->contr->save for $self->players;
2002 }; 2228 };
2003 2229
2004 if ($uniq) { 2230 if ($uniq) {
2005 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2231 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013 my ($self) = @_; 2239 my ($self) = @_;
2014 2240
2015 # save first because save cedes 2241 # save first because save cedes
2016 $self->save; 2242 $self->save;
2017 2243
2018 my $lock = cf::lock_acquire "map_data:" . $self->path; 2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2019 2245
2020 return if $self->players; 2246 return if $self->players;
2021 return if $self->in_memory != cf::MAP_IN_MEMORY; 2247 return if $self->in_memory != cf::MAP_IN_MEMORY;
2022 return if $self->{deny_save}; 2248 return if $self->{deny_save};
2023 2249
2250 $self->in_memory (cf::MAP_SWAPPED);
2251
2252 $self->deactivate;
2253 $_->clear_links_to ($self) for values %cf::MAP;
2024 $self->clear; 2254 $self->clear;
2025 $self->in_memory (cf::MAP_SWAPPED);
2026} 2255}
2027 2256
2028sub reset_at { 2257sub reset_at {
2029 my ($self) = @_; 2258 my ($self) = @_;
2030 2259
2062 if $uniq; 2291 if $uniq;
2063 } 2292 }
2064 2293
2065 delete $cf::MAP{$self->path}; 2294 delete $cf::MAP{$self->path};
2066 2295
2296 $self->deactivate;
2297 $_->clear_links_to ($self) for values %cf::MAP;
2067 $self->clear; 2298 $self->clear;
2068
2069 $_->clear_links_to ($self) for values %cf::MAP;
2070 2299
2071 $self->unlink_save; 2300 $self->unlink_save;
2072 $self->destroy; 2301 $self->destroy;
2073} 2302}
2074 2303
2075my $nuke_counter = "aaaa"; 2304my $nuke_counter = "aaaa";
2076 2305
2077sub nuke { 2306sub nuke {
2078 my ($self) = @_; 2307 my ($self) = @_;
2079 2308
2309 {
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
2080 delete $cf::MAP{$self->path}; 2312 delete $cf::MAP{$self->path};
2081 2313
2082 $self->unlink_save; 2314 $self->unlink_save;
2083 2315
2084 bless $self, "cf::map"; 2316 bless $self, "cf::map";
2085 delete $self->{deny_reset}; 2317 delete $self->{deny_reset};
2086 $self->{deny_save} = 1; 2318 $self->{deny_save} = 1;
2087 $self->reset_timeout (1); 2319 $self->reset_timeout (1);
2088 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2320 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089 2321
2090 $cf::MAP{$self->path} = $self; 2322 $cf::MAP{$self->path} = $self;
2323 }
2091 2324
2092 $self->reset; # polite request, might not happen 2325 $self->reset; # polite request, might not happen
2093} 2326}
2094 2327
2095=item $maps = cf::map::tmp_maps 2328=item $maps = cf::map::tmp_maps
2144 : () 2377 : ()
2145 } @{ aio_readdir $UNIQUEDIR or [] } 2378 } @{ aio_readdir $UNIQUEDIR or [] }
2146 ] 2379 ]
2147} 2380}
2148 2381
2149package cf;
2150
2151=back 2382=back
2152 2383
2153=head3 cf::object 2384=head3 cf::object
2154 2385
2155=cut 2386=cut
2169 map { $_, inv_recursive_ $_->inv } @_ 2400 map { $_, inv_recursive_ $_->inv } @_
2170} 2401}
2171 2402
2172sub inv_recursive { 2403sub inv_recursive {
2173 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 }
2174} 2433}
2175 2434
2176package cf; 2435package cf;
2177 2436
2178=back 2437=back
2338 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2597 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339 2598
2340 $self->enter_link; 2599 $self->enter_link;
2341 2600
2342 (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
2343 my $map = eval { 2623 my $map = eval {
2344 my $map = cf::map::find $path; 2624 my $map = defined $path ? cf::map::find $path : undef;
2345 2625
2346 if ($map) { 2626 if ($map) {
2347 $map = $map->customise_for ($self); 2627 $map = $map->customise_for ($self);
2348 $map = $check->($map) if $check && $map; 2628 $map = $check->($map) if $check && $map;
2349 } else { 2629 } else {
2350 $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);
2351 } 2631 }
2352 2632
2353 $map 2633 $map
2354 }; 2634 };
2355 2635
2408 $rmp->{origin_y} = $exit->y; 2688 $rmp->{origin_y} = $exit->y;
2409 } 2689 }
2410 2690
2411 $rmp->{random_seed} ||= $exit->random_seed; 2691 $rmp->{random_seed} ||= $exit->random_seed;
2412 2692
2413 my $data = cf::to_json $rmp; 2693 my $data = cf::encode_json $rmp;
2414 my $md5 = Digest::MD5::md5_hex $data; 2694 my $md5 = Digest::MD5::md5_hex $data;
2415 my $meta = "$RANDOMDIR/$md5.meta"; 2695 my $meta = "$RANDOMDIR/$md5.meta";
2416 2696
2417 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2697 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418 aio_write $fh, 0, (length $data), $data, 0; 2698 aio_write $fh, 0, (length $data), $data, 0;
2445 # if exit is damned, update players death & WoR home-position 2725 # if exit is damned, update players death & WoR home-position
2446 $self->contr->savebed ($slaying, $hp, $sp) 2726 $self->contr->savebed ($slaying, $hp, $sp)
2447 if $exit->flag (FLAG_DAMNED); 2727 if $exit->flag (FLAG_DAMNED);
2448 2728
2449 (async { 2729 (async {
2730 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2731
2450 $self->deactivate_recursive; # just to be sure 2732 $self->deactivate_recursive; # just to be sure
2451 unless (eval { 2733 unless (eval {
2452 $self->goto ($slaying, $hp, $sp); 2734 $self->goto ($slaying, $hp, $sp);
2453 2735
2454 1; 2736 1;
2489the 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
2490the message unless the client supports the msg packet. 2772the message unless the client supports the msg packet.
2491 2773
2492=cut 2774=cut
2493 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
2494sub cf::client::send_msg { 2828sub cf::client::send_msg {
2495 my ($self, $channel, $msg, $color, @extra) = @_; 2829 my ($self, $channel, $msg, $color, @extra) = @_;
2496 2830
2497 $msg = $self->pl->expand_cfpod ($msg); 2831 $msg = $self->pl->expand_cfpod ($msg);
2498 2832
2499 $color &= cf::NDI_CLIENT_MASK; # just in case... 2833 $color &= cf::NDI_CLIENT_MASK; # just in case...
2500 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
2501 if (ref $channel) { 2844 } elsif (ref $channel) {
2502 # send meta info to client, if not yet sent 2845 # send meta info to client, if not yet sent
2503 unless (exists $self->{channel}{$channel->{id}}) { 2846 unless (exists $self->{channel}{$channel->{id}}) {
2504 $self->{channel}{$channel->{id}} = $channel; 2847 $self->{channel}{$channel->{id}} = $channel;
2505 $self->ext_msg (channel_info => $channel); 2848 $self->ext_msg (channel_info => $channel)
2849 if $self->can_msg;
2506 } 2850 }
2507 2851
2508 $channel = $channel->{id}; 2852 $channel = $channel->{id};
2509 } 2853 }
2510 2854
2551=cut 2895=cut
2552 2896
2553sub cf::client::ext_msg($$@) { 2897sub cf::client::ext_msg($$@) {
2554 my ($self, $type, @msg) = @_; 2898 my ($self, $type, @msg) = @_;
2555 2899
2556 my $extcmd = $self->extcmd;
2557
2558 if ($extcmd == 2) { 2900 if ($self->extcmd == 2) {
2559 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2901 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560 } elsif ($extcmd == 1) { # TODO: remove 2902 } elsif ($self->extcmd == 1) { # TODO: remove
2561 push @msg, msgtype => "event_$type"; 2903 push @msg, msgtype => "event_$type";
2562 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2904 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563 } 2905 }
2564} 2906}
2565 2907
2572sub cf::client::ext_reply($$@) { 2914sub cf::client::ext_reply($$@) {
2573 my ($self, $id, @msg) = @_; 2915 my ($self, $id, @msg) = @_;
2574 2916
2575 if ($self->extcmd == 2) { 2917 if ($self->extcmd == 2) {
2576 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 2918 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577 } elsif ($self->ns->extcmd == 1) { 2919 } elsif ($self->extcmd == 1) {
2578 #TODO: version 1, remove 2920 #TODO: version 1, remove
2579 unshift @msg, msgtype => "reply", msgid => $id; 2921 unshift @msg, msgtype => "reply", msgid => $id;
2580 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2922 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581 } 2923 }
2582} 2924}
2646 my ($type, $reply, @payload) = 2988 my ($type, $reply, @payload) =
2647 "ARRAY" eq ref $msg 2989 "ARRAY" eq ref $msg
2648 ? @$msg 2990 ? @$msg
2649 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 2991 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650 2992
2993 my @reply;
2994
2651 if (my $cb = $EXTICMD{$type}) { 2995 if (my $cb = $EXTICMD{$type}) {
2652 my @reply = $cb->($ns, @payload); 2996 @reply = $cb->($ns, @payload);
2653
2654 $ns->ext_reply ($reply, @reply)
2655 if $reply;
2656 } 2997 }
2998
2999 $ns->ext_reply ($reply, @reply)
3000 if $reply;
3001
2657 } else { 3002 } else {
2658 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3003 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659 } 3004 }
2660 3005
2661 cf::override; 3006 cf::override;
2721=pod 3066=pod
2722 3067
2723The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2724 3069
2725 cf::object 3070 cf::object
2726 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
2727 insert remove name archname title slaying race 3072 insert remove name archname title slaying race decrease_ob_nr
2728 3073
2729 cf::object::player 3074 cf::object::player
2730 player 3075 player
2731 3076
2732 cf::player 3077 cf::player
2737 3082
2738=cut 3083=cut
2739 3084
2740for ( 3085for (
2741 ["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
2742 insert remove inv name archname title slaying race)], 3087 insert remove inv name archname title slaying race
3088 decrease_ob_nr destroy)],
2743 ["cf::object::player" => qw(player)], 3089 ["cf::object::player" => qw(player)],
2744 ["cf::player" => qw(peaceful)], 3090 ["cf::player" => qw(peaceful)],
2745 ["cf::map" => qw(trigger)], 3091 ["cf::map" => qw(trigger)],
2746) { 3092) {
2747 no strict 'refs'; 3093 no strict 'refs';
2823# the server's init and main functions 3169# the server's init and main functions
2824 3170
2825sub load_facedata($) { 3171sub load_facedata($) {
2826 my ($path) = @_; 3172 my ($path) = @_;
2827 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
2828 my $enc = JSON::XS->new->utf8->canonical; 3178 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829 3179
2830 warn "loading facedata from $path\n"; 3180 warn "loading facedata from $path\n";
2831 3181
2832 my $facedata; 3182 my $facedata;
2833 0 < aio_load $path, $facedata 3183 0 < aio_load $path, $facedata
2848 { 3198 {
2849 my $faces = $facedata->{faceinfo}; 3199 my $faces = $facedata->{faceinfo};
2850 3200
2851 while (my ($face, $info) = each %$faces) { 3201 while (my ($face, $info) = each %$faces) {
2852 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3202 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203
2853 cf::face::set_visibility $idx, $info->{visibility}; 3204 cf::face::set_visibility $idx, $info->{visibility};
2854 cf::face::set_magicmap $idx, $info->{magicmap}; 3205 cf::face::set_magicmap $idx, $info->{magicmap};
2855 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};
2856 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};
2857 3208
2858 cf::cede_to_tick; 3209 cf::cede_to_tick;
2859 } 3210 }
2860 3211
2861 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2862 next unless $info->{smooth}; 3213 next unless $info->{smooth};
3214
2863 my $idx = cf::face::find $face 3215 my $idx = cf::face::find $face
2864 or next; 3216 or next;
3217
2865 if (my $smooth = cf::face::find $info->{smooth}) { 3218 if (my $smooth = cf::face::find $info->{smooth}) {
2866 cf::face::set_smooth $idx, $smooth; 3219 cf::face::set_smooth $idx, $smooth;
2867 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3220 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868 } else { 3221 } else {
2869 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3222 warn "smooth face '$info->{smooth}' not found for face '$face'";
2887 { 3240 {
2888 # TODO: for gcfclient pleasure, we should give resources 3241 # TODO: for gcfclient pleasure, we should give resources
2889 # that gcfclient doesn't grok a >10000 face index. 3242 # that gcfclient doesn't grok a >10000 face index.
2890 my $res = $facedata->{resource}; 3243 my $res = $facedata->{resource};
2891 3244
2892 my $soundconf = delete $res->{"res/sound.conf"};
2893
2894 while (my ($name, $info) = each %$res) { 3245 while (my ($name, $info) = each %$res) {
3246 if (defined $info->{type}) {
2895 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3247 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896 my $data; 3248 my $data;
2897 3249
2898 if ($info->{type} & 1) { 3250 if ($info->{type} & 1) {
2899 # prepend meta info 3251 # prepend meta info
2900 3252
2901 my $meta = $enc->encode ({ 3253 my $meta = $enc->encode ({
2902 name => $name, 3254 name => $name,
2903 %{ $info->{meta} || {} }, 3255 %{ $info->{meta} || {} },
2904 }); 3256 });
2905 3257
2906 $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};
2907 } else { 3265 } else {
2908 $data = $info->{data}; 3266 $RESOURCE{$name} = $info;
2909 } 3267 }
2910 3268
2911 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912 cf::face::set_type $idx, $info->{type};
2913
2914 cf::cede_to_tick; 3269 cf::cede_to_tick;
2915 } 3270 }
2916
2917 if ($soundconf) {
2918 $soundconf = $enc->decode (delete $soundconf->{data});
2919
2920 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921 my $sound = $soundconf->{compat}[$_]
2922 or next;
2923
2924 my $face = cf::face::find "sound/$sound->[1]";
2925 cf::sound::set $sound->[0] => $face;
2926 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927 }
2928
2929 while (my ($k, $v) = each %{$soundconf->{event}}) {
2930 my $face = cf::face::find "sound/$v";
2931 cf::sound::set $k => $face;
2932 }
2933 }
2934 } 3271 }
3272
3273 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2935 3274
2936 1 3275 1
2937} 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});
2938 3297
2939register_exticmd fx_want => sub { 3298register_exticmd fx_want => sub {
2940 my ($ns, $want) = @_; 3299 my ($ns, $want) = @_;
2941 3300
2942 while (my ($k, $v) = each %$want) { 3301 while (my ($k, $v) = each %$want) {
2943 $ns->fx_want ($k, $v); 3302 $ns->fx_want ($k, $v);
2944 } 3303 }
2945}; 3304};
2946 3305
2947sub 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
2948 load_resource_file "$MAPDIR/regions" 3311 load_resource_file "$MAPDIR/regions"
2949 or die "unable to load regions file\n"; 3312 or die "unable to load regions file\n";
2950 3313
2951 for (cf::region::list) { 3314 for (cf::region::list) {
2952 $_->{match} = qr/$_->{match}/ 3315 $_->{match} = qr/$_->{match}/
2988 3351
2989sub init { 3352sub init {
2990 reload_resources; 3353 reload_resources;
2991} 3354}
2992 3355
2993sub cfg_load { 3356sub reload_config {
2994 open my $fh, "<:utf8", "$CONFDIR/config" 3357 open my $fh, "<:utf8", "$CONFDIR/config"
2995 or return; 3358 or return;
2996 3359
2997 local $/; 3360 local $/;
2998 *CFG = YAML::Syck::Load <$fh>; 3361 *CFG = YAML::Load <$fh>;
2999 3362
3000 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3363 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3001 3364
3002 $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};
3003 $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};
3014sub main { 3377sub main {
3015 # we must not ever block the main coroutine 3378 # we must not ever block the main coroutine
3016 local $Coro::idle = sub { 3379 local $Coro::idle = sub {
3017 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#
3018 (async { 3381 (async {
3019 Event::one_event; 3382 $Coro::current->{desc} = "IDLE BUG HANDLER";
3383 EV::loop EV::LOOP_ONESHOT;
3020 })->prio (Coro::PRIO_MAX); 3384 })->prio (Coro::PRIO_MAX);
3021 }; 3385 };
3022 3386
3023 cfg_load; 3387 reload_config;
3024 db_init; 3388 db_init;
3025 load_extensions; 3389 load_extensions;
3026 3390
3027 $TICK_WATCHER->start; 3391 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392 evthread_start IO::AIO::poll_fileno;
3028 Event::loop; 3393 EV::loop;
3029} 3394}
3030 3395
3031############################################################################# 3396#############################################################################
3032# initialisation and cleanup 3397# initialisation and cleanup
3033 3398
3034# install some emergency cleanup handlers 3399# install some emergency cleanup handlers
3035BEGIN { 3400BEGIN {
3401 our %SIGWATCHER = ();
3036 for my $signal (qw(INT HUP TERM)) { 3402 for my $signal (qw(INT HUP TERM)) {
3037 Event->signal ( 3403 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3038 reentrant => 0,
3039 data => WF_AUTOCANCEL,
3040 signal => $signal,
3041 prio => 0,
3042 cb => sub {
3043 cf::cleanup "SIG$signal"; 3404 cf::cleanup "SIG$signal";
3044 },
3045 ); 3405 };
3046 } 3406 }
3047} 3407}
3048 3408
3049sub write_runtime { 3409sub write_runtime_sync {
3050 my $runtime = "$LOCALDIR/runtime"; 3410 my $runtime = "$LOCALDIR/runtime";
3051 3411
3052 # first touch the runtime file to show we are still running: 3412 # first touch the runtime file to show we are still running:
3053 # the fsync below can take a very very long time. 3413 # the fsync below can take a very very long time.
3054 3414
3080 and return; 3440 and return;
3081 3441
3082 warn "runtime file written.\n"; 3442 warn "runtime file written.\n";
3083 3443
3084 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 };
3085} 3488}
3086 3489
3087sub emergency_save() { 3490sub emergency_save() {
3088 my $freeze_guard = cf::freeze_mainloop; 3491 my $freeze_guard = cf::freeze_mainloop;
3089 3492
3095 # and maps saved/destroyed asynchronously. 3498 # and maps saved/destroyed asynchronously.
3096 warn "begin emergency player save\n"; 3499 warn "begin emergency player save\n";
3097 for my $login (keys %cf::PLAYER) { 3500 for my $login (keys %cf::PLAYER) {
3098 my $pl = $cf::PLAYER{$login} or next; 3501 my $pl = $cf::PLAYER{$login} or next;
3099 $pl->valid or next; 3502 $pl->valid or next;
3503 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100 $pl->save; 3504 $pl->save;
3101 } 3505 }
3102 warn "end emergency player save\n"; 3506 warn "end emergency player save\n";
3103 3507
3104 warn "begin emergency map save\n"; 3508 warn "begin emergency map save\n";
3110 warn "end emergency map save\n"; 3514 warn "end emergency map save\n";
3111 3515
3112 warn "begin emergency database checkpoint\n"; 3516 warn "begin emergency database checkpoint\n";
3113 BDB::db_env_txn_checkpoint $DB_ENV; 3517 BDB::db_env_txn_checkpoint $DB_ENV;
3114 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";
3115 }; 3523 };
3116 3524
3117 warn "leave emergency perl save\n"; 3525 warn "leave emergency perl save\n";
3118} 3526}
3119 3527
3134 warn "reloading..."; 3542 warn "reloading...";
3135 3543
3136 warn "entering sync_job"; 3544 warn "entering sync_job";
3137 3545
3138 cf::sync_job { 3546 cf::sync_job {
3139 cf::write_runtime; # external watchdog should not bark 3547 cf::write_runtime_sync; # external watchdog should not bark
3140 cf::emergency_save; 3548 cf::emergency_save;
3141 cf::write_runtime; # external watchdog should not bark 3549 cf::write_runtime_sync; # external watchdog should not bark
3142 3550
3143 warn "syncing database to disk"; 3551 warn "syncing database to disk";
3144 BDB::db_env_txn_checkpoint $DB_ENV; 3552 BDB::db_env_txn_checkpoint $DB_ENV;
3145 3553
3146 # 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
3147
3148 warn "cancelling all WF_AUTOCANCEL watchers";
3149 for (Event::all_watchers) {
3150 $_->cancel if $_->data & WF_AUTOCANCEL;
3151 }
3152 3555
3153 warn "flushing outstanding aio requests"; 3556 warn "flushing outstanding aio requests";
3154 for (;;) { 3557 for (;;) {
3155 BDB::flush; 3558 BDB::flush;
3156 IO::AIO::flush; 3559 IO::AIO::flush;
3157 Coro::cede; 3560 Coro::cede_notself;
3158 last unless IO::AIO::nreqs || BDB::nreqs; 3561 last unless IO::AIO::nreqs || BDB::nreqs;
3159 warn "iterate..."; 3562 warn "iterate...";
3160 } 3563 }
3161 3564
3162 ++$RELOAD; 3565 ++$RELOAD;
3221 warn "reloading cf.pm"; 3624 warn "reloading cf.pm";
3222 require cf; 3625 require cf;
3223 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3626 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3224 3627
3225 warn "loading config and database again"; 3628 warn "loading config and database again";
3226 cf::cfg_load; 3629 cf::reload_config;
3227 3630
3228 warn "loading extensions"; 3631 warn "loading extensions";
3229 cf::load_extensions; 3632 cf::load_extensions;
3230 3633
3231 warn "reattaching attachments to objects/players"; 3634 warn "reattaching attachments to objects/players";
3238 warn "leaving sync_job"; 3641 warn "leaving sync_job";
3239 3642
3240 1 3643 1
3241 } or do { 3644 } or do {
3242 warn $@; 3645 warn $@;
3243 warn "error while reloading, exiting."; 3646 cf::cleanup "error while reloading, exiting.";
3244 exit 1;
3245 }; 3647 };
3246 3648
3247 warn "reloaded"; 3649 warn "reloaded";
3248}; 3650};
3249 3651
3251 3653
3252sub reload_perl() { 3654sub reload_perl() {
3253 # doing reload synchronously and two reloads happen back-to-back, 3655 # doing reload synchronously and two reloads happen back-to-back,
3254 # coro crashes during coro_state_free->destroy here. 3656 # coro crashes during coro_state_free->destroy here.
3255 3657
3256 $RELOAD_WATCHER ||= Event->timer ( 3658 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3257 reentrant => 0,
3258 after => 0,
3259 data => WF_AUTOCANCEL,
3260 cb => sub {
3261 do_reload_perl; 3659 do_reload_perl;
3262 undef $RELOAD_WATCHER; 3660 undef $RELOAD_WATCHER;
3263 },
3264 ); 3661 };
3265} 3662}
3266 3663
3267register_command "reload" => sub { 3664register_command "reload" => sub {
3268 my ($who, $arg) = @_; 3665 my ($who, $arg) = @_;
3269 3666
3270 if ($who->flag (FLAG_WIZ)) { 3667 if ($who->flag (FLAG_WIZ)) {
3271 $who->message ("reloading server."); 3668 $who->message ("reloading server.");
3669 async {
3670 $Coro::current->{desc} = "perl_reload";
3272 async { reload_perl }; 3671 reload_perl;
3672 };
3273 } 3673 }
3274}; 3674};
3275 3675
3276unshift @INC, $LIBDIR; 3676unshift @INC, $LIBDIR;
3277 3677
3279 3679
3280our @WAIT_FOR_TICK; 3680our @WAIT_FOR_TICK;
3281our @WAIT_FOR_TICK_BEGIN; 3681our @WAIT_FOR_TICK_BEGIN;
3282 3682
3283sub wait_for_tick { 3683sub wait_for_tick {
3284 return unless $TICK_WATCHER->is_active; 3684 return if tick_inhibit;
3285 return if $Coro::current == $Coro::main; 3685 return if $Coro::current == $Coro::main;
3286 3686
3287 my $signal = new Coro::Signal; 3687 my $signal = new Coro::Signal;
3288 push @WAIT_FOR_TICK, $signal; 3688 push @WAIT_FOR_TICK, $signal;
3289 $signal->wait; 3689 $signal->wait;
3290} 3690}
3291 3691
3292sub wait_for_tick_begin { 3692sub wait_for_tick_begin {
3293 return unless $TICK_WATCHER->is_active; 3693 return if tick_inhibit;
3294 return if $Coro::current == $Coro::main; 3694 return if $Coro::current == $Coro::main;
3295 3695
3296 my $signal = new Coro::Signal; 3696 my $signal = new Coro::Signal;
3297 push @WAIT_FOR_TICK_BEGIN, $signal; 3697 push @WAIT_FOR_TICK_BEGIN, $signal;
3298 $signal->wait; 3698 $signal->wait;
3299} 3699}
3300 3700
3301 my $min = 1e6;#d# 3701sub tick {
3302 my $avg = 10;
3303$TICK_WATCHER = Event->timer (
3304 reentrant => 0,
3305 parked => 1,
3306 prio => 0,
3307 at => $NEXT_TICK || $TICK,
3308 data => WF_AUTOCANCEL,
3309 cb => sub {
3310 if ($Coro::current != $Coro::main) { 3702 if ($Coro::current != $Coro::main) {
3311 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3703 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3312 unless ++$bug_warning > 10; 3704 unless ++$bug_warning > 10;
3313 return; 3705 return;
3314 } 3706 }
3315 3707
3316 $NOW = $tick_start = Event::time;
3317
3318 cf::server_tick; # one server iteration 3708 cf::server_tick; # one server iteration
3319 3709
3320 0 && sync_job {#d# 3710 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3321 for(1..10) { 3711 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3322 my $t = Event::time; 3712 Coro::async_pool {
3323 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3713 $Coro::current->{desc} = "runtime saver";
3324 or die; 3714 write_runtime_sync
3325 3715 or warn "ERROR: unable to write runtime file: $!";
3326 $map->width (50);
3327 $map->height (50);
3328 $map->alloc;
3329 $map->_load_objects ("/tmp/x.map", 1);
3330 my $t = Event::time - $t;
3331
3332 #next unless $t < 0.0013;#d#
3333 if ($t < $min) {
3334 $min = $t;
3335 }
3336 $avg = $avg * 0.99 + $t * 0.01;
3337 }
3338 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339 exit 0;
3340 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341 }; 3716 };
3717 }
3342 3718
3343 $RUNTIME += $TICK;
3344 $NEXT_TICK += $TICK;
3345
3346 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347 $NEXT_RUNTIME_WRITE = $NOW + 10;
3348 Coro::async_pool {
3349 write_runtime
3350 or warn "ERROR: unable to write runtime file: $!";
3351 };
3352 }
3353
3354# my $AFTER = Event::time;
3355# warn $AFTER - $NOW;#d#
3356
3357 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3719 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358 $sig->send; 3720 $sig->send;
3359 } 3721 }
3360 while (my $sig = shift @WAIT_FOR_TICK) { 3722 while (my $sig = shift @WAIT_FOR_TICK) {
3361 $sig->send; 3723 $sig->send;
3362 } 3724 }
3363 3725
3364 $NOW = Event::time; 3726 $LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366 # if we are delayed by four ticks or more, skip them all
3367 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369 $TICK_WATCHER->at ($NEXT_TICK);
3370 $TICK_WATCHER->start;
3371
3372 $LOAD = ($NOW - $tick_start) / $TICK;
3373 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3727 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374 3728
3375 _post_tick; 3729 if (0) {
3376 3730 if ($NEXT_TICK) {
3377 3731 my $jitter = $TICK_START - $NEXT_TICK;
3732 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733 warn "jitter $JITTER\n";#d#
3734 }
3378 }, 3735 }
3379); 3736}
3380 3737
3381{ 3738{
3382 BDB::max_poll_time $TICK * 0.1; 3739 # configure BDB
3383 $BDB_POLL_WATCHER = Event->io ( 3740
3384 reentrant => 0,
3385 fd => BDB::poll_fileno,
3386 poll => 'r',
3387 prio => 0,
3388 data => WF_AUTOCANCEL,
3389 cb => \&BDB::poll_cb,
3390 );
3391 BDB::min_parallel 8; 3741 BDB::min_parallel 8;
3392 3742 BDB::max_poll_reqs $TICK * 0.1;
3393 BDB::set_sync_prepare { 3743 $Coro::BDB::WATCHER->priority (1);
3394 my $status;
3395 my $current = $Coro::current;
3396 (
3397 sub {
3398 $status = $!;
3399 $current->ready; undef $current;
3400 },
3401 sub {
3402 Coro::schedule while defined $current;
3403 $! = $status;
3404 },
3405 )
3406 };
3407 3744
3408 unless ($DB_ENV) { 3745 unless ($DB_ENV) {
3409 $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);
3410 3751
3411 cf::sync_job { 3752 cf::sync_job {
3412 eval { 3753 eval {
3413 BDB::db_env_open 3754 BDB::db_env_open
3414 $DB_ENV, 3755 $DB_ENV,
3416 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3757 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3417 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3758 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418 0666; 3759 0666;
3419 3760
3420 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3761 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423 $DB_ENV->set_lk_detect;
3424 }; 3762 };
3425 3763
3426 cf::cleanup "db_env_open(db): $@" if $@; 3764 cf::cleanup "db_env_open(db): $@" if $@;
3427 }; 3765 };
3428 } 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 };
3429} 3777}
3430 3778
3431{ 3779{
3780 # configure IO::AIO
3781
3432 IO::AIO::min_parallel 8; 3782 IO::AIO::min_parallel 8;
3433
3434 undef $Coro::AIO::WATCHER;
3435 IO::AIO::max_poll_time $TICK * 0.1; 3783 IO::AIO::max_poll_time $TICK * 0.1;
3436 $AIO_POLL_WATCHER = Event->io ( 3784 $Coro::AIO::WATCHER->priority (1);
3437 reentrant => 0,
3438 data => WF_AUTOCANCEL,
3439 fd => IO::AIO::poll_fileno,
3440 poll => 'r',
3441 prio => 6,
3442 cb => \&IO::AIO::poll_cb,
3443 );
3444} 3785}
3445 3786
3446my $_log_backtrace; 3787my $_log_backtrace;
3447 3788
3448sub _log_backtrace { 3789sub _log_backtrace {
3452 3793
3453 # limit the # of concurrent backtraces 3794 # limit the # of concurrent backtraces
3454 if ($_log_backtrace < 2) { 3795 if ($_log_backtrace < 2) {
3455 ++$_log_backtrace; 3796 ++$_log_backtrace;
3456 async { 3797 async {
3798 $Coro::current->{desc} = "abt $msg";
3799
3457 my @bt = fork_call { 3800 my @bt = fork_call {
3458 @addr = map { sprintf "%x", $_ } @addr; 3801 @addr = map { sprintf "%x", $_ } @addr;
3459 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3802 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460 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 |"
3461 or die "addr2line: $!"; 3804 or die "addr2line: $!";

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