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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.344 by root, Mon Aug 27 02:43:38 2007 UTC vs.
Revision 1.446 by root, Tue Sep 16 16:03:02 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.64 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
24use Coro::Util (); 49use Coro::Util ();
25 50
26use JSON::XS (); 51use JSON::XS 2.01 ();
27use BDB (); 52use BDB ();
28use Data::Dumper; 53use Data::Dumper;
29use Digest::MD5; 54use Digest::MD5;
30use Fcntl; 55use Fcntl;
31use YAML::Syck (); 56use YAML ();
32use IO::AIO 2.32 (); 57use IO::AIO ();
33use Time::HiRes; 58use Time::HiRes;
34use Compress::LZF; 59use Compress::LZF;
35use Digest::MD5 (); 60use Digest::MD5 ();
61
62AnyEvent::detect;
36 63
37# configure various modules to our taste 64# configure various modules to our taste
38# 65#
39$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::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 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42 69
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
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 71
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 73
52our %COMMAND = (); 74our %COMMAND = ();
59our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
60 82
61our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
62our @EVENT; 84our @EVENT;
63 85
64our $CONFDIR = confdir; 86our $CONFDIR = confdir;
65our $DATADIR = datadir; 87our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 88our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 89our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 90our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir; 91our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 92our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 95our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 96our $BDBDIR = "$LOCALDIR/db";
97our $PIDFILE = "$LOCALDIR/pid";
98our $RUNTIMEFILE = "$LOCALDIR/runtime";
99
100our %RESOURCE;
75 101
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 102our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 103our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 104our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 105our $USE_FSYNC = 1; # use fsync to write maps - default off
83 106
107our $BDB_DEADLOCK_WATCHER;
108our $BDB_CHECKPOINT_WATCHER;
84our $BDB_POLL_WATCHER; 109our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 110our $DB_ENV;
86 111
87our %CFG; 112our %CFG;
88 113
89our $UPTIME; $UPTIME ||= time; 114our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 115our $RUNTIME;
116our $NOW;
91 117
92our %PLAYER; # all users 118our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 119our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 120our $LINK_MAP; # the special {link} map, which is always available
95 121
96# used to convert map paths into valid unix filenames by replacing / by ∕ 122# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 123our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 124
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 125our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 126our $LOADAVG; # same thing, but with alpha-smoothing
127our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 128our $TICK_START; # for load detecting purposes
102 129
103binmode STDOUT; 130binmode STDOUT;
104binmode STDERR; 131binmode STDERR;
105 132
106# read virtual server time, if available 133# read virtual server time, if available
107unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 134unless ($RUNTIME || !-e $RUNTIMEFILE) {
108 open my $fh, "<", "$LOCALDIR/runtime" 135 open my $fh, "<", $RUNTIMEFILE
109 or die "unable to read runtime file: $!"; 136 or die "unable to read $RUNTIMEFILE file: $!";
110 $RUNTIME = <$fh> + 0.; 137 $RUNTIME = <$fh> + 0.;
111} 138}
112 139
113mkdir $_ 140mkdir $_
114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 141 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
159 186
160The raw value load value from the last tick. 187The raw value load value from the last tick.
161 188
162=item %cf::CFG 189=item %cf::CFG
163 190
164Configuration for the server, loaded from C</etc/crossfire/config>, or 191Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 192from wherever your confdir points to.
166 193
167=item cf::wait_for_tick, cf::wait_for_tick_begin 194=item cf::wait_for_tick, cf::wait_for_tick_begin
168 195
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 196These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 214 $msg .= "\n"
188 unless $msg =~ /\n$/; 215 unless $msg =~ /\n$/;
189 216
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 217 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 218
192 utf8::encode $msg;
193 LOG llevError, $msg; 219 LOG llevError, $msg;
194 }; 220 };
195} 221}
222
223$Coro::State::DIEHOOK = sub {
224 return unless $^S eq 0; # "eq", not "=="
225
226 if ($Coro::current == $Coro::main) {#d#
227 warn "DIEHOOK called in main context, Coro bug?\n";#d#
228 return;#d#
229 }#d#
230
231 # kill coroutine otherwise
232 warn Carp::longmess $_[0];
233 Coro::terminate
234};
235
236$SIG{__DIE__} = sub { }; #d#?
196 237
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 238@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 239@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 240@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 241@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
207for my $pkg (qw( 248for my $pkg (qw(
208 cf::global cf::attachable 249 cf::global cf::attachable
209 cf::object cf::object::player 250 cf::object cf::object::player
210 cf::client cf::player 251 cf::client cf::player
211 cf::arch cf::living 252 cf::arch cf::living
253 cf::map cf::mapspace
212 cf::map cf::party cf::region 254 cf::party cf::region
213)) { 255)) {
214 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 256 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 257}
217 258
218$Event::DIED = sub { 259$EV::DIED = sub {
219 warn "error in event callback: @_"; 260 warn "error in event callback: @_";
220}; 261};
221 262
222############################################################################# 263#############################################################################
223 264
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 287 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 288 $d
248 } || "[unable to dump $_[0]: '$@']"; 289 } || "[unable to dump $_[0]: '$@']";
249} 290}
250 291
251=item $ref = cf::from_json $json 292=item $ref = cf::decode_json $json
252 293
253Converts a JSON string into the corresponding perl data structure. 294Converts a JSON string into the corresponding perl data structure.
254 295
255=item $json = cf::to_json $ref 296=item $json = cf::encode_json $ref
256 297
257Converts a perl data structure into its JSON representation. 298Converts a perl data structure into its JSON representation.
258 299
259=cut 300=cut
260 301
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 302our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 303
263sub to_json ($) { $json_coder->encode ($_[0]) } 304sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 305sub decode_json($) { $json_coder->decode ($_[0]) }
265 306
266=item cf::lock_wait $string 307=item cf::lock_wait $string
267 308
268Wait until the given lock is available. See cf::lock_acquire. 309Wait until the given lock is available. See cf::lock_acquire.
269 310
272Wait until the given lock is available and then acquires it and returns 313Wait 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, 314a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274for example when the coroutine gets canceled), the lock is automatically 315for example when the coroutine gets canceled), the lock is automatically
275returned. 316returned.
276 317
318Locks are *not* recursive, locking from the same coro twice results in a
319deadlocked coro.
320
277Lock names should begin with a unique identifier (for example, cf::map::find 321Lock names should begin with a unique identifier (for example, cf::map::find
278uses map_find and cf::map::load uses map_load). 322uses map_find and cf::map::load uses map_load).
279 323
280=item $locked = cf::lock_active $string 324=item $locked = cf::lock_active $string
281 325
282Return true if the lock is currently active, i.e. somebody has locked it. 326Return true if the lock is currently active, i.e. somebody has locked it.
283 327
284=cut 328=cut
285 329
286our %LOCK; 330our %LOCK;
331our %LOCKER;#d#
287 332
288sub lock_wait($) { 333sub lock_wait($) {
289 my ($key) = @_; 334 my ($key) = @_;
335
336 if ($LOCKER{$key} == $Coro::current) {#d#
337 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338 return;#d#
339 }#d#
290 340
291 # wait for lock, if any 341 # wait for lock, if any
292 while ($LOCK{$key}) { 342 while ($LOCK{$key}) {
293 push @{ $LOCK{$key} }, $Coro::current; 343 push @{ $LOCK{$key} }, $Coro::current;
294 Coro::schedule; 344 Coro::schedule;
300 350
301 # wait, to be sure we are not locked 351 # wait, to be sure we are not locked
302 lock_wait $key; 352 lock_wait $key;
303 353
304 $LOCK{$key} = []; 354 $LOCK{$key} = [];
355 $LOCKER{$key} = $Coro::current;#d#
305 356
306 Coro::guard { 357 Coro::guard {
358 delete $LOCKER{$key};#d#
307 # wake up all waiters, to be on the safe side 359 # wake up all waiters, to be on the safe side
308 $_->ready for @{ delete $LOCK{$key} }; 360 $_->ready for @{ delete $LOCK{$key} };
309 } 361 }
310} 362}
311 363
314 366
315 ! ! $LOCK{$key} 367 ! ! $LOCK{$key}
316} 368}
317 369
318sub freeze_mainloop { 370sub freeze_mainloop {
319 return unless $TICK_WATCHER->is_active; 371 tick_inhibit_inc;
320 372
321 my $guard = Coro::guard { 373 Coro::guard \&tick_inhibit_dec;
322 $TICK_WATCHER->start; 374}
323 }; 375
324 $TICK_WATCHER->stop; 376=item cf::periodic $interval, $cb
325 $guard 377
378Like EV::periodic, but randomly selects a starting point so that the actions
379get spread over timer.
380
381=cut
382
383sub periodic($$) {
384 my ($interval, $cb) = @_;
385
386 my $start = rand List::Util::min 180, $interval;
387
388 EV::periodic $start, $interval, 0, $cb
326} 389}
327 390
328=item cf::get_slot $time[, $priority[, $name]] 391=item cf::get_slot $time[, $priority[, $name]]
329 392
330Allocate $time seconds of blocking CPU time at priority C<$priority>: 393Allocate $time seconds of blocking CPU time at priority C<$priority>:
341our @SLOT_QUEUE; 404our @SLOT_QUEUE;
342our $SLOT_QUEUE; 405our $SLOT_QUEUE;
343 406
344$SLOT_QUEUE->cancel if $SLOT_QUEUE; 407$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345$SLOT_QUEUE = Coro::async { 408$SLOT_QUEUE = Coro::async {
409 $Coro::current->desc ("timeslot manager");
410
346 my $signal = new Coro::Signal; 411 my $signal = new Coro::Signal;
347 412
348 while () { 413 while () {
349 next_job: 414 next_job:
350 my $avail = cf::till_tick; 415 my $avail = cf::till_tick;
358 } 423 }
359 } 424 }
360 } 425 }
361 426
362 if (@SLOT_QUEUE) { 427 if (@SLOT_QUEUE) {
363 # we do not use wait_For_tick() as it returns immediately when tick is inactive 428 # we do not use wait_for_tick() as it returns immediately when tick is inactive
364 push @cf::WAIT_FOR_TICK, $signal; 429 push @cf::WAIT_FOR_TICK, $signal;
365 $signal->wait; 430 $signal->wait;
366 } else { 431 } else {
367 Coro::schedule; 432 Coro::schedule;
368 } 433 }
369 } 434 }
370}; 435};
371 436
372sub get_slot($;$$) { 437sub get_slot($;$$) {
438 return if tick_inhibit || $Coro::current == $Coro::main;
439
373 my ($time, $pri, $name) = @_; 440 my ($time, $pri, $name) = @_;
374 441
375 $time = $TICK * .6 if $time > $TICK * .6; 442 $time = $TICK * .6 if $time > $TICK * .6;
376 my $sig = new Coro::Signal; 443 my $sig = new Coro::Signal;
377 444
391 458
392BEGIN { *async = \&Coro::async_pool } 459BEGIN { *async = \&Coro::async_pool }
393 460
394=item cf::sync_job { BLOCK } 461=item cf::sync_job { BLOCK }
395 462
396The design of Crossfire TRT requires that the main coroutine ($Coro::main) 463The design of Deliantra requires that the main coroutine ($Coro::main)
397is always able to handle events or runnable, as Crossfire TRT is only 464is 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 465partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399acceptable. 466acceptable.
400 467
401If it must be done, put the blocking parts into C<sync_job>. This will run 468If 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 469the given BLOCK in another coroutine while waiting for the result. The
407 474
408sub sync_job(&) { 475sub sync_job(&) {
409 my ($job) = @_; 476 my ($job) = @_;
410 477
411 if ($Coro::current == $Coro::main) { 478 if ($Coro::current == $Coro::main) {
412 my $time = Event::time; 479 my $time = EV::time;
413 480
414 # this is the main coro, too bad, we have to block 481 # this is the main coro, too bad, we have to block
415 # till the operation succeeds, freezing the server :/ 482 # till the operation succeeds, freezing the server :/
416 483
417 # TODO: use suspend/resume instead 484 LOG llevError, Carp::longmess "sync job";#d#
418 # (but this is cancel-safe) 485
419 my $freeze_guard = freeze_mainloop; 486 my $freeze_guard = freeze_mainloop;
420 487
421 my $busy = 1; 488 my $busy = 1;
422 my @res; 489 my @res;
423 490
424 (async { 491 (async {
492 $Coro::current->desc ("sync job coro");
425 @res = eval { $job->() }; 493 @res = eval { $job->() };
426 warn $@ if $@; 494 warn $@ if $@;
427 undef $busy; 495 undef $busy;
428 })->prio (Coro::PRIO_MAX); 496 })->prio (Coro::PRIO_MAX);
429 497
430 while ($busy) { 498 while ($busy) {
431 Coro::cede or Event::one_event; 499 if (Coro::nready) {
500 Coro::cede_notself;
501 } else {
502 EV::loop EV::LOOP_ONESHOT;
432 } 503 }
504 }
433 505
434 $time = Event::time - $time; 506 my $time = EV::time - $time;
435 507
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 508 $TICK_START += $time; # do not account sync jobs to server load
440 509
441 wantarray ? @res : $res[0] 510 wantarray ? @res : $res[0]
442 } else { 511 } else {
443 # we are in another coroutine, how wonderful, everything just works 512 # we are in another coroutine, how wonderful, everything just works
444 513
469=item fork_call { }, $args 538=item fork_call { }, $args
470 539
471Executes the given code block with the given arguments in a seperate 540Executes the given code block with the given arguments in a seperate
472process, returning the results. Everything must be serialisable with 541process, returning the results. Everything must be serialisable with
473Coro::Storable. May, of course, block. Note that the executed sub may 542Coro::Storable. May, of course, block. Note that the executed sub may
474never block itself or use any form of Event handling. 543never block itself or use any form of event handling.
475 544
476=cut 545=cut
477 546
478sub fork_call(&@) { 547sub fork_call(&@) {
479 my ($cb, @args) = @_; 548 my ($cb, @args) = @_;
480 549
481 # we seemingly have to make a local copy of the whole thing, 550 # we seemingly have to make a local copy of the whole thing,
482 # otherwise perl prematurely frees the stuff :/ 551 # otherwise perl prematurely frees the stuff :/
483 # TODO: investigate and fix (liekly this will be rather laborious) 552 # TODO: investigate and fix (likely this will be rather laborious)
484 553
485 my @res = Coro::Util::fork_eval { 554 my @res = Coro::Util::fork_eval {
486 reset_signals; 555 reset_signals;
487 &$cb 556 &$cb
488 }, @args; 557 }, @args;
489 558
490 wantarray ? @res : $res[-1] 559 wantarray ? @res : $res[-1]
491} 560}
492 561
562=item $coin = coin_from_name $name
563
564=cut
565
566our %coin_alias = (
567 "silver" => "silvercoin",
568 "silvercoin" => "silvercoin",
569 "silvercoins" => "silvercoin",
570 "gold" => "goldcoin",
571 "goldcoin" => "goldcoin",
572 "goldcoins" => "goldcoin",
573 "platinum" => "platinacoin",
574 "platinumcoin" => "platinacoin",
575 "platinumcoins" => "platinacoin",
576 "platina" => "platinacoin",
577 "platinacoin" => "platinacoin",
578 "platinacoins" => "platinacoin",
579 "royalty" => "royalty",
580 "royalties" => "royalty",
581);
582
583sub coin_from_name($) {
584 $coin_alias{$_[0]}
585 ? cf::arch::find $coin_alias{$_[0]}
586 : undef
587}
588
493=item $value = cf::db_get $family => $key 589=item $value = cf::db_get $family => $key
494 590
495Returns a single value from the environment database. 591Returns a single value from the environment database.
496 592
497=item cf::db_put $family => $key => $value 593=item cf::db_put $family => $key => $value
498 594
499Stores the given C<$value> in the family. It can currently store binary 595Stores 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). 596data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501 597
598=item $db = cf::db_table "name"
599
600Create and/or open a new database table. The string must not be "db" and must be unique
601within each server.
602
502=cut 603=cut
604
605sub db_table($) {
606 my ($name) = @_;
607 my $db = BDB::db_create $DB_ENV;
608
609 eval {
610 $db->set_flags (BDB::CHKSUM);
611
612 utf8::encode $name;
613 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
614 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
615 cf::cleanup "db_open(db): $!" if $!;
616 };
617 cf::cleanup "db_open(db): $@" if $@;
618
619 $db
620}
503 621
504our $DB; 622our $DB;
505 623
506sub db_init { 624sub db_init {
507 unless ($DB) {
508 $DB = BDB::db_create $DB_ENV;
509
510 cf::sync_job { 625 cf::sync_job {
511 eval { 626 $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 } 627 };
521} 628}
522 629
523sub db_get($$) { 630sub db_get($$) {
524 my $key = "$_[0]/$_[1]"; 631 my $key = "$_[0]/$_[1]";
525 632
575 if (1) { 682 if (1) {
576 $md5 = 683 $md5 =
577 join "\x00", 684 join "\x00",
578 $processversion, 685 $processversion,
579 map { 686 map {
580 Coro::cede; 687 cf::cede_to_tick;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 688 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src; 689 } 0.. $#$src;
583 690
584 691
585 my $dbmd5 = db_get cache => "$id/md5"; 692 my $dbmd5 = db_get cache => "$id/md5";
629attach callbacks/event handlers (a collection of which is called an "attachment") 736attach callbacks/event handlers (a collection of which is called an "attachment")
630to it. All such attachable objects support the following methods. 737to it. All such attachable objects support the following methods.
631 738
632In the following description, CLASS can be any of C<global>, C<object> 739In 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 740C<player>, C<client> or C<map> (i.e. the attachable objects in
634Crossfire TRT). 741Deliantra).
635 742
636=over 4 743=over 4
637 744
638=item $attachable->attach ($attachment, key => $value...) 745=item $attachable->attach ($attachment, key => $value...)
639 746
921 } 1028 }
922 1029
923 0 1030 0
924} 1031}
925 1032
926=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1033=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927 1034
928=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1035=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929 1036
930Generate an object-specific event with the given arguments. 1037Generate an object-specific event with the given arguments.
931 1038
937 1044
938=cut 1045=cut
939 1046
940############################################################################# 1047#############################################################################
941# object support 1048# object support
942#
943 1049
1050sub _object_equal($$);
1051sub _object_equal($$) {
1052 my ($a, $b) = @_;
1053
1054 return 0 unless (ref $a) eq (ref $b);
1055
1056 if ("HASH" eq ref $a) {
1057 my @ka = keys %$a;
1058 my @kb = keys %$b;
1059
1060 return 0 if @ka != @kb;
1061
1062 for (0 .. $#ka) {
1063 return 0 unless $ka[$_] eq $kb[$_];
1064 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1065 }
1066
1067 } elsif ("ARRAY" eq ref $a) {
1068
1069 return 0 if @$a != @$b;
1070
1071 for (0 .. $#$a) {
1072 return 0 unless _object_equal $a->[$_], $b->[$_];
1073 }
1074
1075 } elsif ($a ne $b) {
1076 return 0;
1077 }
1078
1079 1
1080}
1081
1082our $SLOW_MERGES;#d#
944sub _can_merge { 1083sub _can_merge {
945 my ($ob1, $ob2) = @_; 1084 my ($ob1, $ob2) = @_;
946 1085
947 local $Storable::canonical = 1; 1086 ++$SLOW_MERGES;#d#
948 my $fob1 = Storable::freeze $ob1;
949 my $fob2 = Storable::freeze $ob2;
950 1087
951 $fob1 eq $fob2 1088 # we do the slow way here
1089 return _object_equal $ob1, $ob2
952} 1090}
953 1091
954sub reattach { 1092sub reattach {
955 # basically do the same as instantiate, without calling instantiate 1093 # basically do the same as instantiate, without calling instantiate
956 my ($obj) = @_; 1094 my ($obj) = @_;
957 1095
1096 # no longer needed after getting rid of delete_package?
958 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1097 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959 1098
960 my $registry = $obj->registry; 1099 my $registry = $obj->registry;
961 1100
962 @$registry = (); 1101 @$registry = ();
963 1102
978cf::attachable->attach ( 1117cf::attachable->attach (
979 prio => -1000000, 1118 prio => -1000000,
980 on_instantiate => sub { 1119 on_instantiate => sub {
981 my ($obj, $data) = @_; 1120 my ($obj, $data) = @_;
982 1121
983 $data = from_json $data; 1122 $data = decode_json $data;
984 1123
985 for (@$data) { 1124 for (@$data) {
986 my ($name, $args) = @$_; 1125 my ($name, $args) = @$_;
987 1126
988 $obj->attach ($name, %{$args || {} }); 1127 $obj->attach ($name, %{$args || {} });
1004sub object_freezer_save { 1143sub object_freezer_save {
1005 my ($filename, $rdata, $objs) = @_; 1144 my ($filename, $rdata, $objs) = @_;
1006 1145
1007 sync_job { 1146 sync_job {
1008 if (length $$rdata) { 1147 if (length $$rdata) {
1148 utf8::decode (my $decname = $filename);
1009 warn sprintf "saving %s (%d,%d)\n", 1149 warn sprintf "saving %s (%d,%d)\n",
1010 $filename, length $$rdata, scalar @$objs; 1150 $decname, length $$rdata, scalar @$objs;
1011 1151
1012 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
1014 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1154 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015 aio_fsync $fh if $cf::USE_FSYNC; 1155 aio_fsync $fh if $cf::USE_FSYNC;
1016 close $fh; 1156 aio_close $fh;
1017 1157
1018 if (@$objs) { 1158 if (@$objs) {
1019 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1159 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020 chmod SAVE_MODE, $fh; 1160 aio_chmod $fh, SAVE_MODE;
1021 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1161 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022 aio_write $fh, 0, (length $data), $data, 0; 1162 aio_write $fh, 0, (length $data), $data, 0;
1023 aio_fsync $fh if $cf::USE_FSYNC; 1163 aio_fsync $fh if $cf::USE_FSYNC;
1024 close $fh; 1164 aio_close $fh;
1025 aio_rename "$filename.pst~", "$filename.pst"; 1165 aio_rename "$filename.pst~", "$filename.pst";
1026 } 1166 }
1027 } else { 1167 } else {
1028 aio_unlink "$filename.pst"; 1168 aio_unlink "$filename.pst";
1029 } 1169 }
1034 } 1174 }
1035 } else { 1175 } else {
1036 aio_unlink $filename; 1176 aio_unlink $filename;
1037 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
1038 } 1178 }
1039 } 1179 };
1040} 1180}
1041 1181
1042sub object_freezer_as_string { 1182sub object_freezer_as_string {
1043 my ($rdata, $objs) = @_; 1183 my ($rdata, $objs) = @_;
1044 1184
1056 or return; 1196 or return;
1057 1197
1058 unless (aio_stat "$filename.pst") { 1198 unless (aio_stat "$filename.pst") {
1059 (aio_load "$filename.pst", $av) >= 0 1199 (aio_load "$filename.pst", $av) >= 0
1060 or return; 1200 or return;
1201
1061 $av = eval { (Storable::thaw $av)->{objs} }; 1202 my $st = eval { Coro::Storable::thaw $av };
1203 $av = $st->{objs};
1062 } 1204 }
1063 1205
1206 utf8::decode (my $decname = $filename);
1064 warn sprintf "loading %s (%d)\n", 1207 warn sprintf "loading %s (%d,%d)\n",
1065 $filename, length $data, scalar @{$av || []}; 1208 $decname, length $data, scalar @{$av || []};
1209
1066 return ($data, $av); 1210 ($data, $av)
1067} 1211}
1068 1212
1069=head2 COMMAND CALLBACKS 1213=head2 COMMAND CALLBACKS
1070 1214
1071=over 4 1215=over 4
1194 1338
1195 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1339 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1340 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197 1341
1198 $ext{source} = 1342 $ext{source} =
1199 "package $pkg; use strict; use utf8;\n" 1343 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1200 . "#line 1 \"$path\"\n{\n" 1344 . "#line 1 \"$path\"\n{\n"
1201 . $source 1345 . $source
1202 . "\n};\n1"; 1346 . "\n};\n1";
1203 1347
1204 $todo{$base} = \%ext; 1348 $todo{$base} = \%ext;
1220 my $msg = $@ ? "$v->{path}: $@\n" 1364 my $msg = $@ ? "$v->{path}: $@\n"
1221 : "$v->{base}: extension inactive.\n"; 1365 : "$v->{base}: extension inactive.\n";
1222 1366
1223 if (exists $v->{meta}{mandatory}) { 1367 if (exists $v->{meta}{mandatory}) {
1224 warn $msg; 1368 warn $msg;
1225 warn "mandatory extension failed to load, exiting.\n"; 1369 cf::cleanup "mandatory extension failed to load, exiting.";
1226 exit 1;
1227 } 1370 }
1228 1371
1229 warn $msg; 1372 warn $msg;
1230 } 1373 }
1231 1374
1256use Coro::AIO; 1399use Coro::AIO;
1257 1400
1258=head3 cf::player 1401=head3 cf::player
1259 1402
1260=over 4 1403=over 4
1404
1405=item cf::player::num_playing
1406
1407Returns the official number of playing players, as per the Crossfire metaserver rules.
1408
1409=cut
1410
1411sub num_playing {
1412 scalar grep
1413 $_->ob->map
1414 && !$_->hidden
1415 && !$_->ob->flag (cf::FLAG_WIZ),
1416 cf::player::list
1417}
1261 1418
1262=item cf::player::find $login 1419=item cf::player::find $login
1263 1420
1264Returns the given player object, loading it if necessary (might block). 1421Returns the given player object, loading it if necessary (might block).
1265 1422
1301 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1458 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1459 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1460 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304 aio_unlink +(playerdir $login) . "/$login.pl"; 1461 aio_unlink +(playerdir $login) . "/$login.pl";
1305 1462
1306 my $pl = load_pl path $login 1463 my $f = new_from_file cf::object::thawer path $login
1307 or return; 1464 or return;
1465
1466 my $pl = cf::player::load_pl $f
1467 or return;
1468
1469 local $cf::PLAYER_LOADING{$login} = $pl;
1470 $f->resolve_delayed_derefs;
1308 $cf::PLAYER{$login} = $pl 1471 $cf::PLAYER{$login} = $pl
1309 } 1472 }
1310 } 1473 }
1311} 1474}
1312 1475
1321 return if $pl->{deny_save}; 1484 return if $pl->{deny_save};
1322 1485
1323 aio_mkdir playerdir $pl, 0770; 1486 aio_mkdir playerdir $pl, 0770;
1324 $pl->{last_save} = $cf::RUNTIME; 1487 $pl->{last_save} = $cf::RUNTIME;
1325 1488
1489 cf::get_slot 0.01;
1490
1326 $pl->save_pl ($path); 1491 $pl->save_pl ($path);
1327 Coro::cede; 1492 cf::cede_to_tick;
1328} 1493}
1329 1494
1330sub new($) { 1495sub new($) {
1331 my ($login) = @_; 1496 my ($login) = @_;
1332 1497
1361 my ($pl) = @_; 1526 my ($pl) = @_;
1362 1527
1363 my $name = $pl->ob->name; 1528 my $name = $pl->ob->name;
1364 1529
1365 $pl->{deny_save} = 1; 1530 $pl->{deny_save} = 1;
1366 $pl->password ("*"); # this should lock out the player until we nuked the dir 1531 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1367 1532
1368 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1533 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1369 $pl->deactivate; 1534 $pl->deactivate;
1535 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536 $pl->ob->check_score;
1370 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1537 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1371 $pl->ns->destroy if $pl->ns; 1538 $pl->ns->destroy if $pl->ns;
1372 1539
1373 my $path = playerdir $pl; 1540 my $path = playerdir $pl;
1374 my $temp = "$path~$cf::RUNTIME~deleting~"; 1541 my $temp = "$path~$cf::RUNTIME~deleting~";
1410 or return []; 1577 or return [];
1411 1578
1412 my @logins; 1579 my @logins;
1413 1580
1414 for my $login (@$dirs) { 1581 for my $login (@$dirs) {
1582 my $path = path $login;
1583
1584 # a .pst is a dead give-away for a valid player
1585 # if no pst file found, open and chekc for blocked users
1586 if (aio_stat "$path.pst") {
1415 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1587 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416 aio_read $fh, 0, 512, my $buf, 0 or next; 1588 aio_read $fh, 0, 512, my $buf, 0 or next;
1417 $buf !~ /^password -------------$/m or next; # official not-valid tag 1589 $buf !~ /^password -------------$/m or next; # official not-valid tag
1590 }
1418 1591
1419 utf8::decode $login; 1592 utf8::decode $login;
1420 push @logins, $login; 1593 push @logins, $login;
1421 } 1594 }
1422 1595
1453 1626
1454=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1627=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1455 1628
1456Expand crossfire pod fragments into protocol xml. 1629Expand crossfire pod fragments into protocol xml.
1457 1630
1458=cut
1459
1460sub expand_cfpod {
1461 ((my $self), (local $_)) = @_;
1462
1463 # escape & and <
1464 s/&/&amp;/g;
1465 s/(?<![BIUGH])</&lt;/g;
1466
1467 # this is buggy, it needs to properly take care of nested <'s
1468
1469 1 while
1470 # replace B<>, I<>, U<> etc.
1471 s/B<([^\>]*)>/<b>$1<\/b>/
1472 || s/I<([^\>]*)>/<i>$1<\/i>/
1473 || s/U<([^\>]*)>/<u>$1<\/u>/
1474 # replace G<male|female> tags
1475 || s{G<([^>|]*)\|([^>]*)>}{
1476 $self->gender ? $2 : $1
1477 }ge
1478 # replace H<hint text>
1479 || s{H<([^\>]*)>}
1480 {
1481 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483 "")
1484 [$self->{hintmode}]
1485 }ge;
1486
1487 # create single paragraphs (very hackish)
1488 s/(?<=\S)\n(?=\w)/ /g;
1489
1490 # compress some whitespace
1491 s/\s+\n/\n/g; # ws line-ends
1492 s/\n\n+/\n/g; # double lines
1493 s/^\n+//; # beginning lines
1494 s/\n+$//; # ending lines
1495
1496 $_
1497}
1498
1499sub hintmode {
1500 $_[0]{hintmode} = $_[1] if @_ > 1;
1501 $_[0]{hintmode}
1502}
1503
1504=item $player->ext_reply ($msgid, @msg) 1631=item $player->ext_reply ($msgid, @msg)
1505 1632
1506Sends an ext reply to the player. 1633Sends an ext reply to the player.
1507 1634
1508=cut 1635=cut
1574our $MAX_RESET = 3600; 1701our $MAX_RESET = 3600;
1575our $DEFAULT_RESET = 3000; 1702our $DEFAULT_RESET = 3000;
1576 1703
1577sub generate_random_map { 1704sub generate_random_map {
1578 my ($self, $rmp) = @_; 1705 my ($self, $rmp) = @_;
1706
1707 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708
1579 # mit "rum" bekleckern, nicht 1709 # mit "rum" bekleckern, nicht
1580 $self->_create_random_map ( 1710 $self->_create_random_map (
1581 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1711 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1712 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1713 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1705 1835
1706# the temporary/swap location 1836# the temporary/swap location
1707sub save_path { 1837sub save_path {
1708 my ($self) = @_; 1838 my ($self) = @_;
1709 1839
1710 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1840 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711 "$TMPDIR/$path.map" 1841 "$TMPDIR/$path.map"
1712} 1842}
1713 1843
1714# the unique path, undef == no special unique path 1844# the unique path, undef == no special unique path
1715sub uniq_path { 1845sub uniq_path {
1716 my ($self) = @_; 1846 my ($self) = @_;
1717 1847
1718 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1848 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719 "$UNIQUEDIR/$path" 1849 "$UNIQUEDIR/$path"
1720} 1850}
1721 1851
1722# and all this just because we cannot iterate over 1852# and all this just because we cannot iterate over
1723# all maps in C++... 1853# all maps in C++...
1746 1876
1747sub load_header_from($) { 1877sub load_header_from($) {
1748 my ($self, $path) = @_; 1878 my ($self, $path) = @_;
1749 1879
1750 utf8::encode $path; 1880 utf8::encode $path;
1751 #aio_open $path, O_RDONLY, 0 1881 my $f = new_from_file cf::object::thawer $path
1752 # or return;
1753
1754 $self->_load_header ($path)
1755 or return; 1882 or return;
1883
1884 $self->_load_header ($f)
1885 or return;
1886
1887 local $MAP_LOADING{$self->{path}} = $self;
1888 $f->resolve_delayed_derefs;
1756 1889
1757 $self->{load_path} = $path; 1890 $self->{load_path} = $path;
1758 1891
1759 1 1892 1
1760} 1893}
1814sub find { 1947sub find {
1815 my ($path, $origin) = @_; 1948 my ($path, $origin) = @_;
1816 1949
1817 $path = normalise $path, $origin && $origin->path; 1950 $path = normalise $path, $origin && $origin->path;
1818 1951
1952 cf::lock_wait "map_data:$path";#d#remove
1819 cf::lock_wait "map_find:$path"; 1953 cf::lock_wait "map_find:$path";
1820 1954
1821 $cf::MAP{$path} || do { 1955 $cf::MAP{$path} || do {
1956 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1822 my $guard = cf::lock_acquire "map_find:$path"; 1957 my $guard2 = cf::lock_acquire "map_find:$path";
1958
1823 my $map = new_from_path cf::map $path 1959 my $map = new_from_path cf::map $path
1824 or return; 1960 or return;
1825 1961
1826 $map->{last_save} = $cf::RUNTIME; 1962 $map->{last_save} = $cf::RUNTIME;
1827 1963
1829 or return; 1965 or return;
1830 1966
1831 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1967 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832 # doing this can freeze the server in a sync job, obviously 1968 # doing this can freeze the server in a sync job, obviously
1833 #$cf::WAIT_FOR_TICK->wait; 1969 #$cf::WAIT_FOR_TICK->wait;
1970 undef $guard2;
1971 undef $guard1;
1834 $map->reset; 1972 $map->reset;
1835 undef $guard;
1836 return find $path; 1973 return find $path;
1837 } 1974 }
1838 1975
1839 $cf::MAP{$path} = $map 1976 $cf::MAP{$path} = $map
1840 } 1977 }
1849 local $self->{deny_reset} = 1; # loading can take a long time 1986 local $self->{deny_reset} = 1; # loading can take a long time
1850 1987
1851 my $path = $self->{path}; 1988 my $path = $self->{path};
1852 1989
1853 { 1990 {
1854 my $guard = cf::lock_acquire "map_load:$path"; 1991 my $guard = cf::lock_acquire "map_data:$path";
1855 1992
1993 return unless $self->valid;
1856 return if $self->in_memory != cf::MAP_SWAPPED; 1994 return unless $self->in_memory == cf::MAP_SWAPPED;
1857 1995
1858 $self->in_memory (cf::MAP_LOADING); 1996 $self->in_memory (cf::MAP_LOADING);
1859 1997
1860 $self->alloc; 1998 $self->alloc;
1861 1999
1862 $self->pre_load; 2000 $self->pre_load;
1863 Coro::cede; 2001 cf::cede_to_tick;
1864 2002
2003 my $f = new_from_file cf::object::thawer $self->{load_path};
2004 $f->skip_block;
1865 $self->_load_objects ($self->{load_path}, 1) 2005 $self->_load_objects ($f)
1866 or return; 2006 or return;
1867 2007
1868 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2008 $self->post_load_original
1869 if delete $self->{load_original}; 2009 if delete $self->{load_original};
1870 2010
1871 if (my $uniq = $self->uniq_path) { 2011 if (my $uniq = $self->uniq_path) {
1872 utf8::encode $uniq; 2012 utf8::encode $uniq;
1873 if (aio_open $uniq, O_RDONLY, 0) { 2013 unless (aio_stat $uniq) {
2014 if (my $f = new_from_file cf::object::thawer $uniq) {
1874 $self->clear_unique_items; 2015 $self->clear_unique_items;
1875 $self->_load_objects ($uniq, 0); 2016 $self->_load_objects ($f);
2017 $f->resolve_delayed_derefs;
2018 }
1876 } 2019 }
1877 } 2020 }
1878 2021
1879 Coro::cede; 2022 $f->resolve_delayed_derefs;
2023
2024 cf::cede_to_tick;
1880 # now do the right thing for maps 2025 # now do the right thing for maps
1881 $self->link_multipart_objects; 2026 $self->link_multipart_objects;
1882 $self->difficulty ($self->estimate_difficulty) 2027 $self->difficulty ($self->estimate_difficulty)
1883 unless $self->difficulty; 2028 unless $self->difficulty;
1884 Coro::cede; 2029 cf::cede_to_tick;
1885 2030
1886 unless ($self->{deny_activate}) { 2031 unless ($self->{deny_activate}) {
1887 $self->decay_objects; 2032 $self->decay_objects;
1888 $self->fix_auto_apply; 2033 $self->fix_auto_apply;
1889 $self->update_buttons; 2034 $self->update_buttons;
1890 Coro::cede; 2035 cf::cede_to_tick;
1891 $self->set_darkness_map; 2036 $self->set_darkness_map;
1892 Coro::cede; 2037 cf::cede_to_tick;
1893 $self->activate; 2038 $self->activate;
1894 } 2039 }
1895 2040
1896 $self->{last_save} = $cf::RUNTIME; 2041 $self->{last_save} = $cf::RUNTIME;
1897 $self->last_access ($cf::RUNTIME); 2042 $self->last_access ($cf::RUNTIME);
1898 2043
1899 $self->in_memory (cf::MAP_IN_MEMORY); 2044 $self->in_memory (cf::MAP_ACTIVE);
1900 } 2045 }
1901 2046
1902 $self->post_load; 2047 $self->post_load;
1903} 2048}
1904 2049
1962 my ($path, $origin, $load) = @_; 2107 my ($path, $origin, $load) = @_;
1963 2108
1964 $path = normalise $path, $origin && $origin->{path}; 2109 $path = normalise $path, $origin && $origin->{path};
1965 2110
1966 if (my $map = $cf::MAP{$path}) { 2111 if (my $map = $cf::MAP{$path}) {
1967 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2112 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968 } 2113 }
1969 2114
1970 $MAP_PREFETCH{$path} |= $load; 2115 $MAP_PREFETCH{$path} |= $load;
1971 2116
1972 $MAP_PREFETCHER ||= cf::async { 2117 $MAP_PREFETCHER ||= cf::async {
2118 $Coro::current->{desc} = "map prefetcher";
2119
1973 while (%MAP_PREFETCH) { 2120 while (%MAP_PREFETCH) {
1974 while (my ($k, $v) = each %MAP_PREFETCH) { 2121 while (my ($k, $v) = each %MAP_PREFETCH) {
1975 if (my $map = find $k) { 2122 if (my $map = find $k) {
1976 $map->load if $v; 2123 $map->load if $v;
1977 } 2124 }
1987} 2134}
1988 2135
1989sub save { 2136sub save {
1990 my ($self) = @_; 2137 my ($self) = @_;
1991 2138
1992 my $lock = cf::lock_acquire "map_data:" . $self->path; 2139 my $lock = cf::lock_acquire "map_data:$self->{path}";
1993 2140
1994 $self->{last_save} = $cf::RUNTIME; 2141 $self->{last_save} = $cf::RUNTIME;
1995 2142
1996 return unless $self->dirty; 2143 return unless $self->dirty;
1997 2144
2003 return if $self->{deny_save}; 2150 return if $self->{deny_save};
2004 2151
2005 local $self->{last_access} = $self->last_access;#d# 2152 local $self->{last_access} = $self->last_access;#d#
2006 2153
2007 cf::async { 2154 cf::async {
2155 $Coro::current->{desc} = "map player save";
2008 $_->contr->save for $self->players; 2156 $_->contr->save for $self->players;
2009 }; 2157 };
2158
2159 cf::get_slot 0.02;
2010 2160
2011 if ($uniq) { 2161 if ($uniq) {
2012 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2162 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2163 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2014 } else { 2164 } else {
2020 my ($self) = @_; 2170 my ($self) = @_;
2021 2171
2022 # save first because save cedes 2172 # save first because save cedes
2023 $self->save; 2173 $self->save;
2024 2174
2025 my $lock = cf::lock_acquire "map_data:" . $self->path; 2175 my $lock = cf::lock_acquire "map_data:$self->{path}";
2026 2176
2027 return if $self->players; 2177 return if $self->players;
2028 return if $self->in_memory != cf::MAP_IN_MEMORY; 2178 return if $self->in_memory != cf::MAP_ACTIVE;
2029 return if $self->{deny_save}; 2179 return if $self->{deny_save};
2030 2180
2181 $self->in_memory (cf::MAP_SWAPPED);
2182
2183 $self->deactivate;
2184 $_->clear_links_to ($self) for values %cf::MAP;
2031 $self->clear; 2185 $self->clear;
2032 $self->in_memory (cf::MAP_SWAPPED);
2033} 2186}
2034 2187
2035sub reset_at { 2188sub reset_at {
2036 my ($self) = @_; 2189 my ($self) = @_;
2037 2190
2069 if $uniq; 2222 if $uniq;
2070 } 2223 }
2071 2224
2072 delete $cf::MAP{$self->path}; 2225 delete $cf::MAP{$self->path};
2073 2226
2227 $self->deactivate;
2228 $_->clear_links_to ($self) for values %cf::MAP;
2074 $self->clear; 2229 $self->clear;
2075
2076 $_->clear_links_to ($self) for values %cf::MAP;
2077 2230
2078 $self->unlink_save; 2231 $self->unlink_save;
2079 $self->destroy; 2232 $self->destroy;
2080} 2233}
2081 2234
2082my $nuke_counter = "aaaa"; 2235my $nuke_counter = "aaaa";
2083 2236
2084sub nuke { 2237sub nuke {
2085 my ($self) = @_; 2238 my ($self) = @_;
2086 2239
2240 {
2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2242
2087 delete $cf::MAP{$self->path}; 2243 delete $cf::MAP{$self->path};
2088 2244
2089 $self->unlink_save; 2245 $self->unlink_save;
2090 2246
2091 bless $self, "cf::map"; 2247 bless $self, "cf::map";
2092 delete $self->{deny_reset}; 2248 delete $self->{deny_reset};
2093 $self->{deny_save} = 1; 2249 $self->{deny_save} = 1;
2094 $self->reset_timeout (1); 2250 $self->reset_timeout (1);
2095 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2251 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096 2252
2097 $cf::MAP{$self->path} = $self; 2253 $cf::MAP{$self->path} = $self;
2254 }
2098 2255
2099 $self->reset; # polite request, might not happen 2256 $self->reset; # polite request, might not happen
2100} 2257}
2101 2258
2102=item $maps = cf::map::tmp_maps 2259=item $maps = cf::map::tmp_maps
2144 2301
2145sub unique_maps() { 2302sub unique_maps() {
2146 [ 2303 [
2147 map { 2304 map {
2148 utf8::decode $_; 2305 utf8::decode $_;
2149 /\.map$/ 2306 s/\.map$//; # TODO future compatibility hack
2307 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2308 ? ()
2150 ? normalise $_ 2309 : normalise $_
2151 : ()
2152 } @{ aio_readdir $UNIQUEDIR or [] } 2310 } @{ aio_readdir $UNIQUEDIR or [] }
2153 ] 2311 ]
2154} 2312}
2155 2313
2156package cf;
2157
2158=back 2314=back
2159 2315
2160=head3 cf::object 2316=head3 cf::object
2161 2317
2162=cut 2318=cut
2165 2321
2166=over 4 2322=over 4
2167 2323
2168=item $ob->inv_recursive 2324=item $ob->inv_recursive
2169 2325
2170Returns the inventory of the object _and_ their inventories, recursively. 2326Returns the inventory of the object I<and> their inventories, recursively,
2327but I<not> the object itself.
2171 2328
2172=cut 2329=cut
2173 2330
2174sub inv_recursive_; 2331sub inv_recursive_;
2175sub inv_recursive_ { 2332sub inv_recursive_ {
2178 2335
2179sub inv_recursive { 2336sub inv_recursive {
2180 inv_recursive_ inv $_[0] 2337 inv_recursive_ inv $_[0]
2181} 2338}
2182 2339
2340=item $ref = $ob->ref
2341
2342Creates and returns a persistent reference to an object that can be stored as a string.
2343
2344=item $ob = cf::object::deref ($refstring)
2345
2346returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2347even if the object actually exists. May block.
2348
2349=cut
2350
2351sub deref {
2352 my ($ref) = @_;
2353
2354 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2355 my ($uuid, $name) = ($1, $2);
2356 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2357 or return;
2358 $pl->ob->uuid eq $uuid
2359 or return;
2360
2361 $pl->ob
2362 } else {
2363 warn "$ref: cannot resolve object reference\n";
2364 undef
2365 }
2366}
2367
2183package cf; 2368package cf;
2184 2369
2185=back 2370=back
2186 2371
2187=head3 cf::object::player 2372=head3 cf::object::player
2193Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2378Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2194can be C<undef>. Does the right thing when the player is currently in a 2379can be C<undef>. Does the right thing when the player is currently in a
2195dialogue with the given NPC character. 2380dialogue with the given NPC character.
2196 2381
2197=cut 2382=cut
2383
2384our $SAY_CHANNEL = {
2385 id => "say",
2386 title => "Map",
2387 reply => "say ",
2388 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2389};
2390
2391our $CHAT_CHANNEL = {
2392 id => "chat",
2393 title => "Chat",
2394 reply => "chat ",
2395 tooltip => "Player chat and shouts, global to the server.",
2396};
2198 2397
2199# rough implementation of a future "reply" method that works 2398# rough implementation of a future "reply" method that works
2200# with dialog boxes. 2399# with dialog boxes.
2201#TODO: the first argument must go, split into a $npc->reply_to ( method 2400#TODO: the first argument must go, split into a $npc->reply_to ( method
2202sub cf::object::player::reply($$$;$) { 2401sub cf::object::player::reply($$$;$) {
2214 my $dialog = $pl->{npc_dialog}; 2413 my $dialog = $pl->{npc_dialog};
2215 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2414 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216 2415
2217 } else { 2416 } else {
2218 $msg = $npc->name . " says: $msg" if $npc; 2417 $msg = $npc->name . " says: $msg" if $npc;
2219 $self->message ($msg, $flags); 2418 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220 } 2419 }
2221 } 2420 }
2222} 2421}
2223 2422
2224=item $object->send_msg ($channel, $msg, $color, [extra...]) 2423=item $object->send_msg ($channel, $msg, $color, [extra...])
2249 2448
2250=item $player_object->enter_link 2449=item $player_object->enter_link
2251 2450
2252Freezes the player and moves him/her to a special map (C<{link}>). 2451Freezes the player and moves him/her to a special map (C<{link}>).
2253 2452
2254The player should be reasonably safe there for short amounts of time. You 2453The player should be reasonably safe there for short amounts of time (e.g.
2255I<MUST> call C<leave_link> as soon as possible, though. 2454for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455though, as the palyer cannot control the character while it is on the link
2456map.
2256 2457
2257Will never block. 2458Will never block.
2258 2459
2259=item $player_object->leave_link ($map, $x, $y) 2460=item $player_object->leave_link ($map, $x, $y)
2260 2461
2318 2519
2319 $map->load; 2520 $map->load;
2320 $map->load_neighbours; 2521 $map->load_neighbours;
2321 2522
2322 return unless $self->contr->active; 2523 return unless $self->contr->active;
2524 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2323 $self->activate_recursive; 2525 $self->activate_recursive;
2324 2526
2325 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2527 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326 $self->enter_map ($map, $x, $y); 2528 $self->enter_map ($map, $x, $y);
2327} 2529}
2332her, loading and preparing them map, calling the provided $check callback 2534her, loading and preparing them map, calling the provided $check callback
2333that has to return the map if sucecssful, and then unfreezes the player on 2535that has to return the map if sucecssful, and then unfreezes the player on
2334the new (success) or old (failed) map position. In either case, $done will 2536the new (success) or old (failed) map position. In either case, $done will
2335be called at the end of this process. 2537be called at the end of this process.
2336 2538
2539Note that $check will be called with a potentially non-loaded map, so if
2540it needs a loaded map it has to call C<< ->load >>.
2541
2337=cut 2542=cut
2338 2543
2339our $GOTOGEN; 2544our $GOTOGEN;
2340 2545
2341sub cf::object::player::goto { 2546sub cf::object::player::goto {
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2550 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346 2551
2347 $self->enter_link; 2552 $self->enter_link;
2348 2553
2349 (async { 2554 (async {
2555 $Coro::current->{desc} = "player::goto $path $x $y";
2556
2557 # *tag paths override both path and x|y
2558 if ($path =~ /^\*(.*)$/) {
2559 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2560 my $ob = $obs[rand @obs];
2561
2562 # see if we actually can go there
2563 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2564 $ob = $obs[rand @obs];
2565 } else {
2566 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2567 }
2568 # else put us there anyways for now #d#
2569
2570 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2571 } else {
2572 ($path, $x, $y) = (undef, undef, undef);
2573 }
2574 }
2575
2350 my $map = eval { 2576 my $map = eval {
2351 my $map = cf::map::find $path; 2577 my $map = defined $path ? cf::map::find $path : undef;
2352 2578
2353 if ($map) { 2579 if ($map) {
2354 $map = $map->customise_for ($self); 2580 $map = $map->customise_for ($self);
2355 $map = $check->($map) if $check && $map; 2581 $map = $check->($map) if $check && $map;
2356 } else { 2582 } else {
2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2583 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358 } 2584 }
2359 2585
2360 $map 2586 $map
2361 }; 2587 };
2362 2588
2398} 2624}
2399 2625
2400sub prepare_random_map { 2626sub prepare_random_map {
2401 my ($exit) = @_; 2627 my ($exit) = @_;
2402 2628
2403 my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405 # all this does is basically replace the /! path by 2629 # all this does is basically replace the /! path by
2406 # a new random map path (?random/...) with a seed 2630 # a new random map path (?random/...) with a seed
2407 # that depends on the exit object 2631 # that depends on the exit object
2408 2632
2409 my $rmp = parse_random_map_params $exit->msg; 2633 my $rmp = parse_random_map_params $exit->msg;
2411 if ($exit->map) { 2635 if ($exit->map) {
2412 $rmp->{region} = $exit->region->name; 2636 $rmp->{region} = $exit->region->name;
2413 $rmp->{origin_map} = $exit->map->path; 2637 $rmp->{origin_map} = $exit->map->path;
2414 $rmp->{origin_x} = $exit->x; 2638 $rmp->{origin_x} = $exit->x;
2415 $rmp->{origin_y} = $exit->y; 2639 $rmp->{origin_y} = $exit->y;
2640
2641 $exit->map->touch;
2416 } 2642 }
2417 2643
2418 $rmp->{random_seed} ||= $exit->random_seed; 2644 $rmp->{random_seed} ||= $exit->random_seed;
2419 2645
2420 my $data = cf::to_json $rmp; 2646 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421 my $md5 = Digest::MD5::md5_hex $data; 2647 my $md5 = Digest::MD5::md5_hex $data;
2422 my $meta = "$RANDOMDIR/$md5.meta"; 2648 my $meta = "$RANDOMDIR/$md5.meta";
2423 2649
2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2650 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425 aio_write $fh, 0, (length $data), $data, 0; 2651 aio_write $fh, 0, (length $data), $data, 0;
2426 undef $fh; 2652 undef $fh;
2427 aio_rename "$meta~", $meta; 2653 aio_rename "$meta~", $meta;
2428 2654
2655 my $slaying = "?random/$md5";
2656
2657 if ($exit->valid) {
2429 $exit->slaying ("?random/$md5"); 2658 $exit->slaying ("?random/$md5");
2430 $exit->msg (undef); 2659 $exit->msg (undef);
2660 }
2431 } 2661 }
2432} 2662}
2433 2663
2434sub cf::object::player::enter_exit { 2664sub cf::object::player::enter_exit {
2435 my ($self, $exit) = @_; 2665 my ($self, $exit) = @_;
2436 2666
2437 return unless $self->type == cf::PLAYER; 2667 return unless $self->type == cf::PLAYER;
2438 2668
2439 if ($exit->slaying eq "/!") {
2440 #TODO: this should de-fi-ni-te-ly not be a sync-job
2441 # the problem is that $exit might not survive long enough
2442 # so it needs to be done right now, right here
2443 cf::sync_job { prepare_random_map $exit };
2444 }
2445
2446 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447 my $hp = $exit->stats->hp;
2448 my $sp = $exit->stats->sp;
2449
2450 $self->enter_link; 2669 $self->enter_link;
2451 2670
2452 # if exit is damned, update players death & WoR home-position
2453 $self->contr->savebed ($slaying, $hp, $sp)
2454 if $exit->flag (FLAG_DAMNED);
2455
2456 (async { 2671 (async {
2457 $self->deactivate_recursive; # just to be sure 2672 $Coro::current->{desc} = "enter_exit";
2673
2458 unless (eval { 2674 unless (eval {
2675 $self->deactivate_recursive; # just to be sure
2676
2677 # random map handling
2678 {
2679 my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681 prepare_random_map $exit
2682 if $exit->slaying eq "/!";
2683 }
2684
2685 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2686 my $x = $exit->stats->hp;
2687 my $y = $exit->stats->sp;
2688
2459 $self->goto ($slaying, $hp, $sp); 2689 $self->goto ($map, $x, $y);
2460 2690
2691 # if exit is damned, update players death & WoR home-position
2692 $self->contr->savebed ($map, $x, $y)
2693 if $exit->flag (cf::FLAG_DAMNED);
2694
2461 1; 2695 1
2462 }) { 2696 }) {
2463 $self->message ("Something went wrong deep within the crossfire server. " 2697 $self->message ("Something went wrong deep within the crossfire server. "
2464 . "I'll try to bring you back to the map you were before. " 2698 . "I'll try to bring you back to the map you were before. "
2465 . "Please report this to the dungeon master!", 2699 . "Please report this to the dungeon master!",
2466 cf::NDI_UNIQUE | cf::NDI_RED); 2700 cf::NDI_UNIQUE | cf::NDI_RED);
2496the message, with C<log> being the default. If C<$color> is negative, suppress 2730the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet. 2731the message unless the client supports the msg packet.
2498 2732
2499=cut 2733=cut
2500 2734
2735# non-persistent channels (usually the info channel)
2736our %CHANNEL = (
2737 "c/identify" => {
2738 id => "infobox",
2739 title => "Identify",
2740 reply => undef,
2741 tooltip => "Items recently identified",
2742 },
2743 "c/examine" => {
2744 id => "infobox",
2745 title => "Examine",
2746 reply => undef,
2747 tooltip => "Signs and other items you examined",
2748 },
2749 "c/book" => {
2750 id => "infobox",
2751 title => "Book",
2752 reply => undef,
2753 tooltip => "The contents of a note or book",
2754 },
2755 "c/lookat" => {
2756 id => "infobox",
2757 title => "Look",
2758 reply => undef,
2759 tooltip => "What you saw there",
2760 },
2761 "c/who" => {
2762 id => "infobox",
2763 title => "Players",
2764 reply => undef,
2765 tooltip => "Shows players who are currently online",
2766 },
2767 "c/body" => {
2768 id => "infobox",
2769 title => "Body Parts",
2770 reply => undef,
2771 tooltip => "Shows which body parts you posess and are available",
2772 },
2773 "c/uptime" => {
2774 id => "infobox",
2775 title => "Uptime",
2776 reply => undef,
2777 tooltip => "How long the server has been running since last restart",
2778 },
2779 "c/mapinfo" => {
2780 id => "infobox",
2781 title => "Map Info",
2782 reply => undef,
2783 tooltip => "Information related to the maps",
2784 },
2785 "c/party" => {
2786 id => "party",
2787 title => "Party",
2788 reply => "gsay ",
2789 tooltip => "Messages and chat related to your party",
2790 },
2791);
2792
2501sub cf::client::send_msg { 2793sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_; 2794 my ($self, $channel, $msg, $color, @extra) = @_;
2503 2795
2504 $msg = $self->pl->expand_cfpod ($msg); 2796 $msg = $self->pl->expand_cfpod ($msg);
2505 2797
2506 $color &= cf::NDI_CLIENT_MASK; # just in case... 2798 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507 2799
2800 # check predefined channels, for the benefit of C
2801 if ($CHANNEL{$channel}) {
2802 $channel = $CHANNEL{$channel};
2803
2804 $self->ext_msg (channel_info => $channel)
2805 if $self->can_msg;
2806
2807 $channel = $channel->{id};
2808
2508 if (ref $channel) { 2809 } elsif (ref $channel) {
2509 # send meta info to client, if not yet sent 2810 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) { 2811 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel; 2812 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel); 2813 $self->ext_msg (channel_info => $channel)
2814 if $self->can_msg;
2513 } 2815 }
2514 2816
2515 $channel = $channel->{id}; 2817 $channel = $channel->{id};
2516 } 2818 }
2517 2819
2520 if ($self->can_msg) { 2822 if ($self->can_msg) {
2521 # default colour, mask it out 2823 # default colour, mask it out
2522 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2824 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523 if $color & cf::NDI_DEF; 2825 if $color & cf::NDI_DEF;
2524 2826
2525 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2827 my $pkt = "msg "
2828 . $self->{json_coder}->encode (
2526 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2829 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2830 );
2831
2832 # try lzf for large packets
2833 $pkt = "lzf " . Compress::LZF::compress $pkt
2834 if 1024 <= length $pkt and $self->{can_lzf};
2835
2836 # split very large packets
2837 if (8192 < length $pkt and $self->{can_lzf}) {
2838 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2839 $pkt = "frag";
2840 }
2841
2842 $self->send_packet ($pkt);
2527 } else { 2843 } else {
2528 if ($color >= 0) { 2844 if ($color >= 0) {
2529 # replace some tags by gcfclient-compatible ones 2845 # replace some tags by gcfclient-compatible ones
2530 for ($msg) { 2846 for ($msg) {
2531 1 while 2847 1 while
2729=pod 3045=pod
2730 3046
2731The following functions and methods are available within a safe environment: 3047The following functions and methods are available within a safe environment:
2732 3048
2733 cf::object 3049 cf::object
2734 contr pay_amount pay_player map x y force_find force_add 3050 contr pay_amount pay_player map x y force_find force_add destroy
2735 insert remove name archname title slaying race decrease_ob_nr 3051 insert remove name archname title slaying race decrease split
2736 3052
2737 cf::object::player 3053 cf::object::player
2738 player 3054 player
2739 3055
2740 cf::player 3056 cf::player
2745 3061
2746=cut 3062=cut
2747 3063
2748for ( 3064for (
2749 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3065 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750 insert remove inv name archname title slaying race 3066 insert remove inv nrof name archname title slaying race
2751 decrease_ob_nr)], 3067 decrease split destroy change_exp)],
2752 ["cf::object::player" => qw(player)], 3068 ["cf::object::player" => qw(player)],
2753 ["cf::player" => qw(peaceful)], 3069 ["cf::player" => qw(peaceful)],
2754 ["cf::map" => qw(trigger)], 3070 ["cf::map" => qw(trigger)],
2755) { 3071) {
2756 no strict 'refs'; 3072 no strict 'refs';
2832# the server's init and main functions 3148# the server's init and main functions
2833 3149
2834sub load_facedata($) { 3150sub load_facedata($) {
2835 my ($path) = @_; 3151 my ($path) = @_;
2836 3152
3153 # HACK to clear player env face cache, we need some signal framework
3154 # for this (global event?)
3155 %ext::player_env::MUSIC_FACE_CACHE = ();
3156
2837 my $enc = JSON::XS->new->utf8->canonical->relaxed; 3157 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838 3158
2839 warn "loading facedata from $path\n"; 3159 warn "loading facedata from $path\n";
2840 3160
2841 my $facedata; 3161 my $facedata;
2857 { 3177 {
2858 my $faces = $facedata->{faceinfo}; 3178 my $faces = $facedata->{faceinfo};
2859 3179
2860 while (my ($face, $info) = each %$faces) { 3180 while (my ($face, $info) = each %$faces) {
2861 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3181 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3182
2862 cf::face::set_visibility $idx, $info->{visibility}; 3183 cf::face::set_visibility $idx, $info->{visibility};
2863 cf::face::set_magicmap $idx, $info->{magicmap}; 3184 cf::face::set_magicmap $idx, $info->{magicmap};
2864 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3185 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2865 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3186 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2866 3187
2867 cf::cede_to_tick; 3188 cf::cede_to_tick;
2868 } 3189 }
2869 3190
2870 while (my ($face, $info) = each %$faces) { 3191 while (my ($face, $info) = each %$faces) {
2871 next unless $info->{smooth}; 3192 next unless $info->{smooth};
3193
2872 my $idx = cf::face::find $face 3194 my $idx = cf::face::find $face
2873 or next; 3195 or next;
3196
2874 if (my $smooth = cf::face::find $info->{smooth}) { 3197 if (my $smooth = cf::face::find $info->{smooth}) {
2875 cf::face::set_smooth $idx, $smooth; 3198 cf::face::set_smooth $idx, $smooth;
2876 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3199 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877 } else { 3200 } else {
2878 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3201 warn "smooth face '$info->{smooth}' not found for face '$face'";
2896 { 3219 {
2897 # TODO: for gcfclient pleasure, we should give resources 3220 # TODO: for gcfclient pleasure, we should give resources
2898 # that gcfclient doesn't grok a >10000 face index. 3221 # that gcfclient doesn't grok a >10000 face index.
2899 my $res = $facedata->{resource}; 3222 my $res = $facedata->{resource};
2900 3223
2901 my $soundconf = delete $res->{"res/sound.conf"};
2902
2903 while (my ($name, $info) = each %$res) { 3224 while (my ($name, $info) = each %$res) {
3225 if (defined $info->{type}) {
2904 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3226 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905 my $data; 3227 my $data;
2906 3228
2907 if ($info->{type} & 1) { 3229 if ($info->{type} & 1) {
2908 # prepend meta info 3230 # prepend meta info
2909 3231
2910 my $meta = $enc->encode ({ 3232 my $meta = $enc->encode ({
2911 name => $name, 3233 name => $name,
2912 %{ $info->{meta} || {} }, 3234 %{ $info->{meta} || {} },
2913 }); 3235 });
2914 3236
2915 $data = pack "(w/a*)*", $meta, $info->{data}; 3237 $data = pack "(w/a*)*", $meta, $info->{data};
3238 } else {
3239 $data = $info->{data};
3240 }
3241
3242 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3243 cf::face::set_type $idx, $info->{type};
2916 } else { 3244 } else {
2917 $data = $info->{data}; 3245 $RESOURCE{$name} = $info;
2918 } 3246 }
2919 3247
2920 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921 cf::face::set_type $idx, $info->{type};
2922
2923 cf::cede_to_tick; 3248 cf::cede_to_tick;
2924 } 3249 }
2925
2926 if ($soundconf) {
2927 $soundconf = $enc->decode (delete $soundconf->{data});
2928
2929 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930 my $sound = $soundconf->{compat}[$_]
2931 or next;
2932
2933 my $face = cf::face::find "sound/$sound->[1]";
2934 cf::sound::set $sound->[0] => $face;
2935 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936 }
2937
2938 while (my ($k, $v) = each %{$soundconf->{event}}) {
2939 my $face = cf::face::find "sound/$v";
2940 cf::sound::set $k => $face;
2941 }
2942 }
2943 } 3250 }
3251
3252 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944 3253
2945 1 3254 1
2946} 3255}
3256
3257cf::global->attach (on_resource_update => sub {
3258 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3259 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3260
3261 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3262 my $sound = $soundconf->{compat}[$_]
3263 or next;
3264
3265 my $face = cf::face::find "sound/$sound->[1]";
3266 cf::sound::set $sound->[0] => $face;
3267 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3268 }
3269
3270 while (my ($k, $v) = each %{$soundconf->{event}}) {
3271 my $face = cf::face::find "sound/$v";
3272 cf::sound::set $k => $face;
3273 }
3274 }
3275});
2947 3276
2948register_exticmd fx_want => sub { 3277register_exticmd fx_want => sub {
2949 my ($ns, $want) = @_; 3278 my ($ns, $want) = @_;
2950 3279
2951 while (my ($k, $v) = each %$want) { 3280 while (my ($k, $v) = each %$want) {
2952 $ns->fx_want ($k, $v); 3281 $ns->fx_want ($k, $v);
2953 } 3282 }
2954}; 3283};
2955 3284
3285sub load_resource_file($) {
3286 my $guard = lock_acquire "load_resource_file";
3287
3288 my $status = load_resource_file_ $_[0];
3289 get_slot 0.1, 100;
3290 cf::arch::commit_load;
3291
3292 $status
3293}
3294
2956sub reload_regions { 3295sub reload_regions {
3296 # HACK to clear player env face cache, we need some signal framework
3297 # for this (global event?)
3298 %ext::player_env::MUSIC_FACE_CACHE = ();
3299
2957 load_resource_file "$MAPDIR/regions" 3300 load_resource_file "$MAPDIR/regions"
2958 or die "unable to load regions file\n"; 3301 or die "unable to load regions file\n";
2959 3302
2960 for (cf::region::list) { 3303 for (cf::region::list) {
2961 $_->{match} = qr/$_->{match}/ 3304 $_->{match} = qr/$_->{match}/
2969} 3312}
2970 3313
2971sub reload_archetypes { 3314sub reload_archetypes {
2972 load_resource_file "$DATADIR/archetypes" 3315 load_resource_file "$DATADIR/archetypes"
2973 or die "unable to load archetypes\n"; 3316 or die "unable to load archetypes\n";
2974 #d# NEED to laod twice to resolve forward references
2975 # this really needs to be done in an extra post-pass
2976 # (which needs to be synchronous, so solve it differently)
2977 load_resource_file "$DATADIR/archetypes"
2978 or die "unable to load archetypes\n";
2979} 3317}
2980 3318
2981sub reload_treasures { 3319sub reload_treasures {
2982 load_resource_file "$DATADIR/treasures" 3320 load_resource_file "$DATADIR/treasures"
2983 or die "unable to load treasurelists\n"; 3321 or die "unable to load treasurelists\n";
2984} 3322}
2985 3323
2986sub reload_resources { 3324sub reload_resources {
2987 warn "reloading resource files...\n"; 3325 warn "reloading resource files...\n";
2988 3326
3327 reload_facedata;
3328 reload_archetypes;
2989 reload_regions; 3329 reload_regions;
2990 reload_facedata;
2991 #reload_archetypes;#d#
2992 reload_archetypes;
2993 reload_treasures; 3330 reload_treasures;
2994 3331
2995 warn "finished reloading resource files\n"; 3332 warn "finished reloading resource files\n";
2996} 3333}
2997 3334
2998sub init { 3335sub init {
3336 my $guard = freeze_mainloop;
3337
3338 evthread_start IO::AIO::poll_fileno;
3339
2999 reload_resources; 3340 reload_resources;
3000} 3341}
3001 3342
3002sub cfg_load { 3343sub reload_config {
3003 open my $fh, "<:utf8", "$CONFDIR/config" 3344 open my $fh, "<:utf8", "$CONFDIR/config"
3004 or return; 3345 or return;
3005 3346
3006 local $/; 3347 local $/;
3007 *CFG = YAML::Syck::Load <$fh>; 3348 *CFG = YAML::Load <$fh>;
3008 3349
3009 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3350 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3010 3351
3011 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3352 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3353 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3018 }; 3359 };
3019 warn $@ if $@; 3360 warn $@ if $@;
3020 } 3361 }
3021} 3362}
3022 3363
3364sub pidfile() {
3365 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3366 or die "$PIDFILE: $!";
3367 flock $fh, &Fcntl::LOCK_EX
3368 or die "$PIDFILE: flock: $!";
3369 $fh
3370}
3371
3372# make sure only one server instance is running at any one time
3373sub atomic {
3374 my $fh = pidfile;
3375
3376 my $pid = <$fh>;
3377 kill 9, $pid if $pid > 0;
3378
3379 seek $fh, 0, 0;
3380 print $fh $$;
3381}
3382
3023sub main { 3383sub main {
3384 atomic;
3385
3024 # we must not ever block the main coroutine 3386 # we must not ever block the main coroutine
3025 local $Coro::idle = sub { 3387 local $Coro::idle = sub {
3026 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3388 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027 (async { 3389 (async {
3028 Event::one_event; 3390 $Coro::current->{desc} = "IDLE BUG HANDLER";
3391 EV::loop EV::LOOP_ONESHOT;
3029 })->prio (Coro::PRIO_MAX); 3392 })->prio (Coro::PRIO_MAX);
3030 }; 3393 };
3031 3394
3032 cfg_load; 3395 {
3396 my $guard = freeze_mainloop;
3397 reload_config;
3033 db_init; 3398 db_init;
3034 load_extensions; 3399 load_extensions;
3035 3400
3036 $TICK_WATCHER->start; 3401 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402 }
3403
3404 utime time, time, $RUNTIMEFILE;
3405
3406 # no (long-running) fork's whatsoever before this point(!)
3407 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3408
3037 Event::loop; 3409 EV::loop;
3038} 3410}
3039 3411
3040############################################################################# 3412#############################################################################
3041# initialisation and cleanup 3413# initialisation and cleanup
3042 3414
3043# install some emergency cleanup handlers 3415# install some emergency cleanup handlers
3044BEGIN { 3416BEGIN {
3417 our %SIGWATCHER = ();
3045 for my $signal (qw(INT HUP TERM)) { 3418 for my $signal (qw(INT HUP TERM)) {
3046 Event->signal ( 3419 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3047 reentrant => 0,
3048 data => WF_AUTOCANCEL,
3049 signal => $signal,
3050 prio => 0,
3051 cb => sub {
3052 cf::cleanup "SIG$signal"; 3420 cf::cleanup "SIG$signal";
3053 },
3054 ); 3421 };
3055 } 3422 }
3056} 3423}
3057 3424
3058sub write_runtime { 3425sub write_runtime_sync {
3059 my $runtime = "$LOCALDIR/runtime";
3060
3061 # first touch the runtime file to show we are still running: 3426 # first touch the runtime file to show we are still running:
3062 # the fsync below can take a very very long time. 3427 # the fsync below can take a very very long time.
3063 3428
3064 IO::AIO::aio_utime $runtime, undef, undef; 3429 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3065 3430
3066 my $guard = cf::lock_acquire "write_runtime"; 3431 my $guard = cf::lock_acquire "write_runtime";
3067 3432
3068 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3433 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3069 or return; 3434 or return;
3070 3435
3071 my $value = $cf::RUNTIME + 90 + 10; 3436 my $value = $cf::RUNTIME + 90 + 10;
3072 # 10 is the runtime save interval, for a monotonic clock 3437 # 10 is the runtime save interval, for a monotonic clock
3073 # 60 allows for the watchdog to kill the server. 3438 # 60 allows for the watchdog to kill the server.
3083 aio_utime $fh, undef, undef; 3448 aio_utime $fh, undef, undef;
3084 3449
3085 close $fh 3450 close $fh
3086 or return; 3451 or return;
3087 3452
3088 aio_rename "$runtime~", $runtime 3453 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3089 and return; 3454 and return;
3090 3455
3091 warn "runtime file written.\n"; 3456 warn "runtime file written.\n";
3092 3457
3093 1 3458 1
3459}
3460
3461our $uuid_lock;
3462our $uuid_skip;
3463
3464sub write_uuid_sync($) {
3465 $uuid_skip ||= $_[0];
3466
3467 return if $uuid_lock;
3468 local $uuid_lock = 1;
3469
3470 my $uuid = "$LOCALDIR/uuid";
3471
3472 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3476 $uuid_skip = 0;
3477
3478 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3479 and return;
3480
3481 # always fsync - this file is important
3482 aio_fsync $fh
3483 and return;
3484
3485 close $fh
3486 or return;
3487
3488 aio_rename "$uuid~", $uuid
3489 and return;
3490
3491 warn "uuid file written ($value).\n";
3492
3493 1
3494
3495}
3496
3497sub write_uuid($$) {
3498 my ($skip, $sync) = @_;
3499
3500 $sync ? write_uuid_sync $skip
3501 : async { write_uuid_sync $skip };
3094} 3502}
3095 3503
3096sub emergency_save() { 3504sub emergency_save() {
3097 my $freeze_guard = cf::freeze_mainloop; 3505 my $freeze_guard = cf::freeze_mainloop;
3098 3506
3104 # and maps saved/destroyed asynchronously. 3512 # and maps saved/destroyed asynchronously.
3105 warn "begin emergency player save\n"; 3513 warn "begin emergency player save\n";
3106 for my $login (keys %cf::PLAYER) { 3514 for my $login (keys %cf::PLAYER) {
3107 my $pl = $cf::PLAYER{$login} or next; 3515 my $pl = $cf::PLAYER{$login} or next;
3108 $pl->valid or next; 3516 $pl->valid or next;
3517 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109 $pl->save; 3518 $pl->save;
3110 } 3519 }
3111 warn "end emergency player save\n"; 3520 warn "end emergency player save\n";
3112 3521
3113 warn "begin emergency map save\n"; 3522 warn "begin emergency map save\n";
3119 warn "end emergency map save\n"; 3528 warn "end emergency map save\n";
3120 3529
3121 warn "begin emergency database checkpoint\n"; 3530 warn "begin emergency database checkpoint\n";
3122 BDB::db_env_txn_checkpoint $DB_ENV; 3531 BDB::db_env_txn_checkpoint $DB_ENV;
3123 warn "end emergency database checkpoint\n"; 3532 warn "end emergency database checkpoint\n";
3533
3534 warn "begin write uuid\n";
3535 write_uuid_sync 1;
3536 warn "end write uuid\n";
3124 }; 3537 };
3125 3538
3126 warn "leave emergency perl save\n"; 3539 warn "leave emergency perl save\n";
3127} 3540}
3128 3541
3129sub post_cleanup { 3542sub post_cleanup {
3130 my ($make_core) = @_; 3543 my ($make_core) = @_;
3131 3544
3132 warn Carp::longmess "post_cleanup backtrace" 3545 warn Carp::longmess "post_cleanup backtrace"
3133 if $make_core; 3546 if $make_core;
3547
3548 my $fh = pidfile;
3549 unlink $PIDFILE if <$fh> == $$;
3134} 3550}
3551
3552# a safer delete_package, copied from Symbol
3553sub clear_package($) {
3554 my $pkg = shift;
3555
3556 # expand to full symbol table name if needed
3557 unless ($pkg =~ /^main::.*::$/) {
3558 $pkg = "main$pkg" if $pkg =~ /^::/;
3559 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3560 $pkg .= '::' unless $pkg =~ /::$/;
3561 }
3562
3563 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3564 my $stem_symtab = *{$stem}{HASH};
3565
3566 defined $stem_symtab and exists $stem_symtab->{$leaf}
3567 or return;
3568
3569 # clear all symbols
3570 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3571 for my $name (keys %$leaf_symtab) {
3572 _gv_clear *{"$pkg$name"};
3573# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3574 }
3575 warn "cleared package #$pkg\n";#d#
3576}
3577
3578our $RELOAD; # how many times to reload
3135 3579
3136sub do_reload_perl() { 3580sub do_reload_perl() {
3137 # can/must only be called in main 3581 # can/must only be called in main
3138 if ($Coro::current != $Coro::main) { 3582 if ($Coro::current != $Coro::main) {
3139 warn "can only reload from main coroutine"; 3583 warn "can only reload from main coroutine";
3140 return; 3584 return;
3141 } 3585 }
3142 3586
3587 return if $RELOAD++;
3588
3589 while ($RELOAD) {
3143 warn "reloading..."; 3590 warn "reloading...";
3144 3591
3145 warn "entering sync_job"; 3592 warn "entering sync_job";
3146 3593
3147 cf::sync_job { 3594 cf::sync_job {
3148 cf::write_runtime; # external watchdog should not bark 3595 cf::write_runtime_sync; # external watchdog should not bark
3149 cf::emergency_save; 3596 cf::emergency_save;
3150 cf::write_runtime; # external watchdog should not bark 3597 cf::write_runtime_sync; # external watchdog should not bark
3151 3598
3152 warn "syncing database to disk"; 3599 warn "syncing database to disk";
3153 BDB::db_env_txn_checkpoint $DB_ENV; 3600 BDB::db_env_txn_checkpoint $DB_ENV;
3154 3601
3155 # if anything goes wrong in here, we should simply crash as we already saved 3602 # if anything goes wrong in here, we should simply crash as we already saved
3156 3603
3157 warn "cancelling all WF_AUTOCANCEL watchers";
3158 for (Event::all_watchers) {
3159 $_->cancel if $_->data & WF_AUTOCANCEL;
3160 }
3161
3162 warn "flushing outstanding aio requests"; 3604 warn "flushing outstanding aio requests";
3163 for (;;) {
3164 BDB::flush;
3165 IO::AIO::flush;
3166 Coro::cede;
3167 last unless IO::AIO::nreqs || BDB::nreqs; 3605 while (IO::AIO::nreqs || BDB::nreqs) {
3168 warn "iterate..."; 3606 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3169 }
3170
3171 ++$RELOAD;
3172
3173 warn "cancelling all extension coros";
3174 $_->cancel for values %EXT_CORO;
3175 %EXT_CORO = ();
3176
3177 warn "removing commands";
3178 %COMMAND = ();
3179
3180 warn "removing ext/exti commands";
3181 %EXTCMD = ();
3182 %EXTICMD = ();
3183
3184 warn "unloading/nuking all extensions";
3185 for my $pkg (@EXTS) {
3186 warn "... unloading $pkg";
3187
3188 if (my $cb = $pkg->can ("unload")) {
3189 eval {
3190 $cb->($pkg);
3191 1
3192 } or warn "$pkg unloaded, but with errors: $@";
3193 } 3607 }
3194 3608
3195 warn "... nuking $pkg"; 3609 warn "cancelling all extension coros";
3196 Symbol::delete_package $pkg; 3610 $_->cancel for values %EXT_CORO;
3197 } 3611 %EXT_CORO = ();
3198 3612
3199 warn "unloading all perl modules loaded from $LIBDIR"; 3613 warn "removing commands";
3200 while (my ($k, $v) = each %INC) { 3614 %COMMAND = ();
3201 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3202 3615
3616 warn "removing ext/exti commands";
3617 %EXTCMD = ();
3618 %EXTICMD = ();
3619
3620 warn "unloading/nuking all extensions";
3621 for my $pkg (@EXTS) {
3203 warn "... unloading $k"; 3622 warn "... unloading $pkg";
3204 delete $INC{$k};
3205 3623
3206 $k =~ s/\.pm$//;
3207 $k =~ s/\//::/g;
3208
3209 if (my $cb = $k->can ("unload_module")) { 3624 if (my $cb = $pkg->can ("unload")) {
3625 eval {
3210 $cb->(); 3626 $cb->($pkg);
3627 1
3628 } or warn "$pkg unloaded, but with errors: $@";
3629 }
3630
3631 warn "... clearing $pkg";
3632 clear_package $pkg;
3211 } 3633 }
3212 3634
3213 Symbol::delete_package $k; 3635 warn "unloading all perl modules loaded from $LIBDIR";
3636 while (my ($k, $v) = each %INC) {
3637 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3638
3639 warn "... unloading $k";
3640 delete $INC{$k};
3641
3642 $k =~ s/\.pm$//;
3643 $k =~ s/\//::/g;
3644
3645 if (my $cb = $k->can ("unload_module")) {
3646 $cb->();
3647 }
3648
3649 clear_package $k;
3214 } 3650 }
3215 3651
3216 warn "getting rid of safe::, as good as possible"; 3652 warn "getting rid of safe::, as good as possible";
3217 Symbol::delete_package "safe::$_" 3653 clear_package "safe::$_"
3218 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3654 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3219 3655
3220 warn "unloading cf.pm \"a bit\""; 3656 warn "unloading cf.pm \"a bit\"";
3221 delete $INC{"cf.pm"}; 3657 delete $INC{"cf.pm"};
3222 delete $INC{"cf/pod.pm"}; 3658 delete $INC{"cf/pod.pm"};
3223 3659
3224 # don't, removes xs symbols, too, 3660 # don't, removes xs symbols, too,
3225 # and global variables created in xs 3661 # and global variables created in xs
3226 #Symbol::delete_package __PACKAGE__; 3662 #clear_package __PACKAGE__;
3227 3663
3228 warn "unload completed, starting to reload now"; 3664 warn "unload completed, starting to reload now";
3229 3665
3230 warn "reloading cf.pm"; 3666 warn "reloading cf.pm";
3231 require cf; 3667 require cf;
3232 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3668 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3233 3669
3234 warn "loading config and database again"; 3670 warn "loading config and database again";
3235 cf::cfg_load; 3671 cf::reload_config;
3236 3672
3237 warn "loading extensions"; 3673 warn "loading extensions";
3238 cf::load_extensions; 3674 cf::load_extensions;
3239 3675
3240 warn "reattaching attachments to objects/players"; 3676 warn "reattaching attachments to objects/players";
3241 _global_reattach; # objects, sockets 3677 _global_reattach; # objects, sockets
3242 warn "reattaching attachments to maps"; 3678 warn "reattaching attachments to maps";
3243 reattach $_ for values %MAP; 3679 reattach $_ for values %MAP;
3244 warn "reattaching attachments to players"; 3680 warn "reattaching attachments to players";
3245 reattach $_ for values %PLAYER; 3681 reattach $_ for values %PLAYER;
3246 3682
3247 warn "leaving sync_job"; 3683 warn "leaving sync_job";
3248 3684
3249 1 3685 1
3250 } or do { 3686 } or do {
3251 warn $@; 3687 warn $@;
3252 warn "error while reloading, exiting."; 3688 cf::cleanup "error while reloading, exiting.";
3253 exit 1;
3254 }; 3689 };
3255 3690
3256 warn "reloaded"; 3691 warn "reloaded";
3692 --$RELOAD;
3693 }
3257}; 3694};
3258 3695
3259our $RELOAD_WATCHER; # used only during reload 3696our $RELOAD_WATCHER; # used only during reload
3260 3697
3261sub reload_perl() { 3698sub reload_perl() {
3262 # doing reload synchronously and two reloads happen back-to-back, 3699 # doing reload synchronously and two reloads happen back-to-back,
3263 # coro crashes during coro_state_free->destroy here. 3700 # coro crashes during coro_state_free->destroy here.
3264 3701
3265 $RELOAD_WATCHER ||= Event->timer ( 3702 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3266 reentrant => 0,
3267 after => 0,
3268 data => WF_AUTOCANCEL,
3269 cb => sub {
3270 do_reload_perl; 3703 do_reload_perl;
3271 undef $RELOAD_WATCHER; 3704 undef $RELOAD_WATCHER;
3272 },
3273 ); 3705 };
3274} 3706}
3275 3707
3276register_command "reload" => sub { 3708register_command "reload" => sub {
3277 my ($who, $arg) = @_; 3709 my ($who, $arg) = @_;
3278 3710
3279 if ($who->flag (FLAG_WIZ)) { 3711 if ($who->flag (FLAG_WIZ)) {
3280 $who->message ("reloading server."); 3712 $who->message ("reloading server.");
3713 async {
3714 $Coro::current->{desc} = "perl_reload";
3281 async { reload_perl }; 3715 reload_perl;
3716 };
3282 } 3717 }
3283}; 3718};
3284 3719
3285unshift @INC, $LIBDIR; 3720unshift @INC, $LIBDIR;
3286 3721
3288 3723
3289our @WAIT_FOR_TICK; 3724our @WAIT_FOR_TICK;
3290our @WAIT_FOR_TICK_BEGIN; 3725our @WAIT_FOR_TICK_BEGIN;
3291 3726
3292sub wait_for_tick { 3727sub wait_for_tick {
3293 return unless $TICK_WATCHER->is_active;
3294 return if $Coro::current == $Coro::main; 3728 return if tick_inhibit || $Coro::current == $Coro::main;
3295 3729
3296 my $signal = new Coro::Signal; 3730 my $signal = new Coro::Signal;
3297 push @WAIT_FOR_TICK, $signal; 3731 push @WAIT_FOR_TICK, $signal;
3298 $signal->wait; 3732 $signal->wait;
3299} 3733}
3300 3734
3301sub wait_for_tick_begin { 3735sub wait_for_tick_begin {
3302 return unless $TICK_WATCHER->is_active;
3303 return if $Coro::current == $Coro::main; 3736 return if tick_inhibit || $Coro::current == $Coro::main;
3304 3737
3305 my $signal = new Coro::Signal; 3738 my $signal = new Coro::Signal;
3306 push @WAIT_FOR_TICK_BEGIN, $signal; 3739 push @WAIT_FOR_TICK_BEGIN, $signal;
3307 $signal->wait; 3740 $signal->wait;
3308} 3741}
3309 3742
3310 my $min = 1e6;#d# 3743sub tick {
3311 my $avg = 10;
3312$TICK_WATCHER = Event->timer (
3313 reentrant => 0,
3314 parked => 1,
3315 prio => 0,
3316 at => $NEXT_TICK || $TICK,
3317 data => WF_AUTOCANCEL,
3318 cb => sub {
3319 if ($Coro::current != $Coro::main) { 3744 if ($Coro::current != $Coro::main) {
3320 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3745 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321 unless ++$bug_warning > 10; 3746 unless ++$bug_warning > 10;
3322 return; 3747 return;
3323 } 3748 }
3324 3749
3325 $NOW = $tick_start = Event::time;
3326
3327 cf::server_tick; # one server iteration 3750 cf::server_tick; # one server iteration
3328 3751
3329 0 && sync_job {#d# 3752 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3330 for(1..10) { 3753 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3331 my $t = Event::time; 3754 Coro::async_pool {
3332 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3755 $Coro::current->{desc} = "runtime saver";
3333 or die; 3756 write_runtime_sync
3334 3757 or warn "ERROR: unable to write runtime file: $!";
3335 $map->width (50);
3336 $map->height (50);
3337 $map->alloc;
3338 $map->_load_objects ("/tmp/x.map", 1);
3339 my $t = Event::time - $t;
3340
3341 #next unless $t < 0.0013;#d#
3342 if ($t < $min) {
3343 $min = $t;
3344 }
3345 $avg = $avg * 0.99 + $t * 0.01;
3346 }
3347 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348 exit 0;
3349 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350 }; 3758 };
3759 }
3351 3760
3352 $RUNTIME += $TICK;
3353 $NEXT_TICK += $TICK;
3354
3355 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356 $NEXT_RUNTIME_WRITE = $NOW + 10;
3357 Coro::async_pool {
3358 write_runtime
3359 or warn "ERROR: unable to write runtime file: $!";
3360 };
3361 }
3362
3363# my $AFTER = Event::time;
3364# warn $AFTER - $NOW;#d#
3365
3366 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3761 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367 $sig->send; 3762 $sig->send;
3368 } 3763 }
3369 while (my $sig = shift @WAIT_FOR_TICK) { 3764 while (my $sig = shift @WAIT_FOR_TICK) {
3370 $sig->send; 3765 $sig->send;
3371 } 3766 }
3372 3767
3373 $NOW = Event::time; 3768 $LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375 # if we are delayed by four ticks or more, skip them all
3376 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378 $TICK_WATCHER->at ($NEXT_TICK);
3379 $TICK_WATCHER->start;
3380
3381 $LOAD = ($NOW - $tick_start) / $TICK;
3382 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3769 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383 3770
3384 _post_tick; 3771 if (0) {
3385 3772 if ($NEXT_TICK) {
3386 3773 my $jitter = $TICK_START - $NEXT_TICK;
3774 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3775 warn "jitter $JITTER\n";#d#
3776 }
3387 }, 3777 }
3388); 3778}
3389 3779
3390{ 3780{
3391 BDB::max_poll_time $TICK * 0.1; 3781 # configure BDB
3392 $BDB_POLL_WATCHER = Event->io ( 3782
3393 reentrant => 0,
3394 fd => BDB::poll_fileno,
3395 poll => 'r',
3396 prio => 0,
3397 data => WF_AUTOCANCEL,
3398 cb => \&BDB::poll_cb,
3399 );
3400 BDB::min_parallel 8; 3783 BDB::min_parallel 8;
3401 3784 BDB::max_poll_reqs $TICK * 0.1;
3402 BDB::set_sync_prepare { 3785 $AnyEvent::BDB::WATCHER->priority (1);
3403 my $status;
3404 my $current = $Coro::current;
3405 (
3406 sub {
3407 $status = $!;
3408 $current->ready; undef $current;
3409 },
3410 sub {
3411 Coro::schedule while defined $current;
3412 $! = $status;
3413 },
3414 )
3415 };
3416 3786
3417 unless ($DB_ENV) { 3787 unless ($DB_ENV) {
3418 $DB_ENV = BDB::db_env_create; 3788 $DB_ENV = BDB::db_env_create;
3789 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3790 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3791 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3792 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3793 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419 3794
3420 cf::sync_job { 3795 cf::sync_job {
3421 eval { 3796 eval {
3422 BDB::db_env_open 3797 BDB::db_env_open
3423 $DB_ENV, 3798 $DB_ENV,
3425 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3800 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3801 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427 0666; 3802 0666;
3428 3803
3429 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3804 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432 $DB_ENV->set_lk_detect;
3433 }; 3805 };
3434 3806
3435 cf::cleanup "db_env_open(db): $@" if $@; 3807 cf::cleanup "db_env_open(db): $@" if $@;
3436 }; 3808 };
3437 } 3809 }
3810
3811 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3812 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3813 };
3814 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3815 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3816 };
3817 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3818 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3819 };
3438} 3820}
3439 3821
3440{ 3822{
3823 # configure IO::AIO
3824
3441 IO::AIO::min_parallel 8; 3825 IO::AIO::min_parallel 8;
3442
3443 undef $Coro::AIO::WATCHER;
3444 IO::AIO::max_poll_time $TICK * 0.1; 3826 IO::AIO::max_poll_time $TICK * 0.1;
3445 $AIO_POLL_WATCHER = Event->io ( 3827 undef $AnyEvent::AIO::WATCHER;
3446 reentrant => 0,
3447 data => WF_AUTOCANCEL,
3448 fd => IO::AIO::poll_fileno,
3449 poll => 'r',
3450 prio => 6,
3451 cb => \&IO::AIO::poll_cb,
3452 );
3453} 3828}
3454 3829
3455my $_log_backtrace; 3830my $_log_backtrace;
3456 3831
3457sub _log_backtrace { 3832sub _log_backtrace {
3460 $msg =~ s/\n//; 3835 $msg =~ s/\n//;
3461 3836
3462 # limit the # of concurrent backtraces 3837 # limit the # of concurrent backtraces
3463 if ($_log_backtrace < 2) { 3838 if ($_log_backtrace < 2) {
3464 ++$_log_backtrace; 3839 ++$_log_backtrace;
3840 my $perl_bt = Carp::longmess $msg;
3465 async { 3841 async {
3842 $Coro::current->{desc} = "abt $msg";
3843
3466 my @bt = fork_call { 3844 my @bt = fork_call {
3467 @addr = map { sprintf "%x", $_ } @addr; 3845 @addr = map { sprintf "%x", $_ } @addr;
3468 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3846 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3847 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470 or die "addr2line: $!"; 3848 or die "addr2line: $!";
3478 } 3856 }
3479 3857
3480 @funcs 3858 @funcs
3481 }; 3859 };
3482 3860
3483 LOG llevInfo, "[ABT] $msg\n"; 3861 LOG llevInfo, "[ABT] $perl_bt\n";
3862 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3484 LOG llevInfo, "[ABT] $_\n" for @bt; 3863 LOG llevInfo, "[ABT] $_\n" for @bt;
3485 --$_log_backtrace; 3864 --$_log_backtrace;
3486 }; 3865 };
3487 } else { 3866 } else {
3488 LOG llevInfo, "[ABT] $msg\n"; 3867 LOG llevInfo, "[ABT] $msg\n";

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