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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.339 by root, Fri Aug 24 00:26:10 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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 1.4 (); 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
1948 2093
1949sub do_load_sync { 2094sub do_load_sync {
1950 my ($map) = @_; 2095 my ($map) = @_;
1951 2096
1952 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync" 2097 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1953 if $Coro::current != $Coro::main; 2098 if $Coro::current == $Coro::main;
1954 2099
1955 cf::sync_job { $map->load }; 2100 cf::sync_job { $map->load };
1956} 2101}
1957 2102
1958our %MAP_PREFETCH; 2103our %MAP_PREFETCH;
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 $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...])
2332her, loading and preparing them map, calling the provided $check callback 2531her, loading and preparing them map, calling the provided $check callback
2333that has to return the map if sucecssful, and then unfreezes the player on 2532that 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 2533the new (success) or old (failed) map position. In either case, $done will
2335be called at the end of this process. 2534be called at the end of this process.
2336 2535
2536Note that $check will be called with a potentially non-loaded map, so if
2537it needs a loaded map it has to call C<< ->load >>.
2538
2337=cut 2539=cut
2338 2540
2339our $GOTOGEN; 2541our $GOTOGEN;
2340 2542
2341sub cf::object::player::goto { 2543sub cf::object::player::goto {
2345 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2547 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346 2548
2347 $self->enter_link; 2549 $self->enter_link;
2348 2550
2349 (async { 2551 (async {
2552 $Coro::current->{desc} = "player::goto $path $x $y";
2553
2554 # *tag paths override both path and x|y
2555 if ($path =~ /^\*(.*)$/) {
2556 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2557 my $ob = $obs[rand @obs];
2558
2559 # see if we actually can go there
2560 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2561 $ob = $obs[rand @obs];
2562 } else {
2563 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2564 }
2565 # else put us there anyways for now #d#
2566
2567 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2568 } else {
2569 ($path, $x, $y) = (undef, undef, undef);
2570 }
2571 }
2572
2350 my $map = eval { 2573 my $map = eval {
2351 my $map = cf::map::find $path; 2574 my $map = defined $path ? cf::map::find $path : undef;
2352 2575
2353 if ($map) { 2576 if ($map) {
2354 $map = $map->customise_for ($self); 2577 $map = $map->customise_for ($self);
2355 $map = $check->($map) if $check && $map; 2578 $map = $check->($map) if $check && $map;
2356 } else { 2579 } else {
2357 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2580 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358 } 2581 }
2359 2582
2360 $map 2583 $map
2361 }; 2584 };
2362 2585
2398} 2621}
2399 2622
2400sub prepare_random_map { 2623sub prepare_random_map {
2401 my ($exit) = @_; 2624 my ($exit) = @_;
2402 2625
2403 my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405 # all this does is basically replace the /! path by 2626 # all this does is basically replace the /! path by
2406 # a new random map path (?random/...) with a seed 2627 # a new random map path (?random/...) with a seed
2407 # that depends on the exit object 2628 # that depends on the exit object
2408 2629
2409 my $rmp = parse_random_map_params $exit->msg; 2630 my $rmp = parse_random_map_params $exit->msg;
2411 if ($exit->map) { 2632 if ($exit->map) {
2412 $rmp->{region} = $exit->region->name; 2633 $rmp->{region} = $exit->region->name;
2413 $rmp->{origin_map} = $exit->map->path; 2634 $rmp->{origin_map} = $exit->map->path;
2414 $rmp->{origin_x} = $exit->x; 2635 $rmp->{origin_x} = $exit->x;
2415 $rmp->{origin_y} = $exit->y; 2636 $rmp->{origin_y} = $exit->y;
2637
2638 $exit->map->touch;
2416 } 2639 }
2417 2640
2418 $rmp->{random_seed} ||= $exit->random_seed; 2641 $rmp->{random_seed} ||= $exit->random_seed;
2419 2642
2420 my $data = cf::to_json $rmp; 2643 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421 my $md5 = Digest::MD5::md5_hex $data; 2644 my $md5 = Digest::MD5::md5_hex $data;
2422 my $meta = "$RANDOMDIR/$md5.meta"; 2645 my $meta = "$RANDOMDIR/$md5.meta";
2423 2646
2424 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2647 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425 aio_write $fh, 0, (length $data), $data, 0; 2648 aio_write $fh, 0, (length $data), $data, 0;
2426 undef $fh; 2649 undef $fh;
2427 aio_rename "$meta~", $meta; 2650 aio_rename "$meta~", $meta;
2428 2651
2652 my $slaying = "?random/$md5";
2653
2654 if ($exit->valid) {
2429 $exit->slaying ("?random/$md5"); 2655 $exit->slaying ("?random/$md5");
2430 $exit->msg (undef); 2656 $exit->msg (undef);
2657 }
2431 } 2658 }
2432} 2659}
2433 2660
2434sub cf::object::player::enter_exit { 2661sub cf::object::player::enter_exit {
2435 my ($self, $exit) = @_; 2662 my ($self, $exit) = @_;
2436 2663
2437 return unless $self->type == cf::PLAYER; 2664 return unless $self->type == cf::PLAYER;
2438 2665
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; 2666 $self->enter_link;
2451 2667
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 { 2668 (async {
2457 $self->deactivate_recursive; # just to be sure 2669 $Coro::current->{desc} = "enter_exit";
2670
2458 unless (eval { 2671 unless (eval {
2672 $self->deactivate_recursive; # just to be sure
2673
2674 # random map handling
2675 {
2676 my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678 prepare_random_map $exit
2679 if $exit->slaying eq "/!";
2680 }
2681
2682 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2683 my $x = $exit->stats->hp;
2684 my $y = $exit->stats->sp;
2685
2459 $self->goto ($slaying, $hp, $sp); 2686 $self->goto ($map, $x, $y);
2460 2687
2688 # if exit is damned, update players death & WoR home-position
2689 $self->contr->savebed ($map, $x, $y)
2690 if $exit->flag (cf::FLAG_DAMNED);
2691
2461 1; 2692 1
2462 }) { 2693 }) {
2463 $self->message ("Something went wrong deep within the crossfire server. " 2694 $self->message ("Something went wrong deep within the crossfire server. "
2464 . "I'll try to bring you back to the map you were before. " 2695 . "I'll try to bring you back to the map you were before. "
2465 . "Please report this to the dungeon master!", 2696 . "Please report this to the dungeon master!",
2466 cf::NDI_UNIQUE | cf::NDI_RED); 2697 cf::NDI_UNIQUE | cf::NDI_RED);
2496the message, with C<log> being the default. If C<$color> is negative, suppress 2727the message, with C<log> being the default. If C<$color> is negative, suppress
2497the message unless the client supports the msg packet. 2728the message unless the client supports the msg packet.
2498 2729
2499=cut 2730=cut
2500 2731
2732# non-persistent channels (usually the info channel)
2733our %CHANNEL = (
2734 "c/identify" => {
2735 id => "infobox",
2736 title => "Identify",
2737 reply => undef,
2738 tooltip => "Items recently identified",
2739 },
2740 "c/examine" => {
2741 id => "infobox",
2742 title => "Examine",
2743 reply => undef,
2744 tooltip => "Signs and other items you examined",
2745 },
2746 "c/book" => {
2747 id => "infobox",
2748 title => "Book",
2749 reply => undef,
2750 tooltip => "The contents of a note or book",
2751 },
2752 "c/lookat" => {
2753 id => "infobox",
2754 title => "Look",
2755 reply => undef,
2756 tooltip => "What you saw there",
2757 },
2758 "c/who" => {
2759 id => "infobox",
2760 title => "Players",
2761 reply => undef,
2762 tooltip => "Shows players who are currently online",
2763 },
2764 "c/body" => {
2765 id => "infobox",
2766 title => "Body Parts",
2767 reply => undef,
2768 tooltip => "Shows which body parts you posess and are available",
2769 },
2770 "c/uptime" => {
2771 id => "infobox",
2772 title => "Uptime",
2773 reply => undef,
2774 tooltip => "How long the server has been running since last restart",
2775 },
2776 "c/mapinfo" => {
2777 id => "infobox",
2778 title => "Map Info",
2779 reply => undef,
2780 tooltip => "Information related to the maps",
2781 },
2782 "c/party" => {
2783 id => "party",
2784 title => "Party",
2785 reply => "gsay ",
2786 tooltip => "Messages and chat related to your party",
2787 },
2788);
2789
2501sub cf::client::send_msg { 2790sub cf::client::send_msg {
2502 my ($self, $channel, $msg, $color, @extra) = @_; 2791 my ($self, $channel, $msg, $color, @extra) = @_;
2503 2792
2504 $msg = $self->pl->expand_cfpod ($msg); 2793 $msg = $self->pl->expand_cfpod ($msg);
2505 2794
2506 $color &= cf::NDI_CLIENT_MASK; # just in case... 2795 $color &= cf::NDI_CLIENT_MASK; # just in case...
2507 2796
2797 # check predefined channels, for the benefit of C
2798 if ($CHANNEL{$channel}) {
2799 $channel = $CHANNEL{$channel};
2800
2801 $self->ext_msg (channel_info => $channel)
2802 if $self->can_msg;
2803
2804 $channel = $channel->{id};
2805
2508 if (ref $channel) { 2806 } elsif (ref $channel) {
2509 # send meta info to client, if not yet sent 2807 # send meta info to client, if not yet sent
2510 unless (exists $self->{channel}{$channel->{id}}) { 2808 unless (exists $self->{channel}{$channel->{id}}) {
2511 $self->{channel}{$channel->{id}} = $channel; 2809 $self->{channel}{$channel->{id}} = $channel;
2512 $self->ext_msg (channel_info => $channel); 2810 $self->ext_msg (channel_info => $channel)
2811 if $self->can_msg;
2513 } 2812 }
2514 2813
2515 $channel = $channel->{id}; 2814 $channel = $channel->{id};
2516 } 2815 }
2517 2816
2520 if ($self->can_msg) { 2819 if ($self->can_msg) {
2521 # default colour, mask it out 2820 # default colour, mask it out
2522 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2821 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523 if $color & cf::NDI_DEF; 2822 if $color & cf::NDI_DEF;
2524 2823
2525 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2824 my $pkt = "msg "
2825 . $self->{json_coder}->encode (
2526 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2826 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827 );
2828
2829 # try lzf for large packets
2830 $pkt = "lzf " . Compress::LZF::compress $pkt
2831 if 1024 <= length $pkt and $self->{can_lzf};
2832
2833 # split very large packets
2834 if (8192 < length $pkt and $self->{can_lzf}) {
2835 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2836 $pkt = "frag";
2837 }
2838
2839 $self->send_packet ($pkt);
2527 } else { 2840 } else {
2528 if ($color >= 0) { 2841 if ($color >= 0) {
2529 # replace some tags by gcfclient-compatible ones 2842 # replace some tags by gcfclient-compatible ones
2530 for ($msg) { 2843 for ($msg) {
2531 1 while 2844 1 while
2558=cut 2871=cut
2559 2872
2560sub cf::client::ext_msg($$@) { 2873sub cf::client::ext_msg($$@) {
2561 my ($self, $type, @msg) = @_; 2874 my ($self, $type, @msg) = @_;
2562 2875
2563 my $extcmd = $self->extcmd;
2564
2565 if ($extcmd == 2) { 2876 if ($self->extcmd == 2) {
2566 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2877 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2567 } elsif ($extcmd == 1) { # TODO: remove 2878 } elsif ($self->extcmd == 1) { # TODO: remove
2568 push @msg, msgtype => "event_$type"; 2879 push @msg, msgtype => "event_$type";
2569 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2880 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2570 } 2881 }
2571} 2882}
2572 2883
2579sub cf::client::ext_reply($$@) { 2890sub cf::client::ext_reply($$@) {
2580 my ($self, $id, @msg) = @_; 2891 my ($self, $id, @msg) = @_;
2581 2892
2582 if ($self->extcmd == 2) { 2893 if ($self->extcmd == 2) {
2583 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 2894 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2584 } elsif ($self->ns->extcmd == 1) { 2895 } elsif ($self->extcmd == 1) {
2585 #TODO: version 1, remove 2896 #TODO: version 1, remove
2586 unshift @msg, msgtype => "reply", msgid => $id; 2897 unshift @msg, msgtype => "reply", msgid => $id;
2587 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2898 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2588 } 2899 }
2589} 2900}
2731=pod 3042=pod
2732 3043
2733The following functions and methods are available within a safe environment: 3044The following functions and methods are available within a safe environment:
2734 3045
2735 cf::object 3046 cf::object
2736 contr pay_amount pay_player map x y force_find force_add 3047 contr pay_amount pay_player map x y force_find force_add destroy
2737 insert remove name archname title slaying race 3048 insert remove name archname title slaying race decrease split
2738 3049
2739 cf::object::player 3050 cf::object::player
2740 player 3051 player
2741 3052
2742 cf::player 3053 cf::player
2747 3058
2748=cut 3059=cut
2749 3060
2750for ( 3061for (
2751 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3062 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2752 insert remove inv name archname title slaying race)], 3063 insert remove inv nrof name archname title slaying race
3064 decrease split destroy change_exp)],
2753 ["cf::object::player" => qw(player)], 3065 ["cf::object::player" => qw(player)],
2754 ["cf::player" => qw(peaceful)], 3066 ["cf::player" => qw(peaceful)],
2755 ["cf::map" => qw(trigger)], 3067 ["cf::map" => qw(trigger)],
2756) { 3068) {
2757 no strict 'refs'; 3069 no strict 'refs';
2833# the server's init and main functions 3145# the server's init and main functions
2834 3146
2835sub load_facedata($) { 3147sub load_facedata($) {
2836 my ($path) = @_; 3148 my ($path) = @_;
2837 3149
3150 # HACK to clear player env face cache, we need some signal framework
3151 # for this (global event?)
3152 %ext::player_env::MUSIC_FACE_CACHE = ();
3153
2838 my $enc = JSON::XS->new->utf8->canonical; 3154 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2839 3155
2840 warn "loading facedata from $path\n"; 3156 warn "loading facedata from $path\n";
2841 3157
2842 my $facedata; 3158 my $facedata;
2843 0 < aio_load $path, $facedata 3159 0 < aio_load $path, $facedata
2858 { 3174 {
2859 my $faces = $facedata->{faceinfo}; 3175 my $faces = $facedata->{faceinfo};
2860 3176
2861 while (my ($face, $info) = each %$faces) { 3177 while (my ($face, $info) = each %$faces) {
2862 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3178 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3179
2863 cf::face::set_visibility $idx, $info->{visibility}; 3180 cf::face::set_visibility $idx, $info->{visibility};
2864 cf::face::set_magicmap $idx, $info->{magicmap}; 3181 cf::face::set_magicmap $idx, $info->{magicmap};
2865 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3182 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2866 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3183 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2867 3184
2868 cf::cede_to_tick; 3185 cf::cede_to_tick;
2869 } 3186 }
2870 3187
2871 while (my ($face, $info) = each %$faces) { 3188 while (my ($face, $info) = each %$faces) {
2872 next unless $info->{smooth}; 3189 next unless $info->{smooth};
3190
2873 my $idx = cf::face::find $face 3191 my $idx = cf::face::find $face
2874 or next; 3192 or next;
3193
2875 if (my $smooth = cf::face::find $info->{smooth}) { 3194 if (my $smooth = cf::face::find $info->{smooth}) {
2876 cf::face::set_smooth $idx, $smooth; 3195 cf::face::set_smooth $idx, $smooth;
2877 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3196 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2878 } else { 3197 } else {
2879 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3198 warn "smooth face '$info->{smooth}' not found for face '$face'";
2897 { 3216 {
2898 # TODO: for gcfclient pleasure, we should give resources 3217 # TODO: for gcfclient pleasure, we should give resources
2899 # that gcfclient doesn't grok a >10000 face index. 3218 # that gcfclient doesn't grok a >10000 face index.
2900 my $res = $facedata->{resource}; 3219 my $res = $facedata->{resource};
2901 3220
2902 my $soundconf = delete $res->{"res/sound.conf"};
2903
2904 while (my ($name, $info) = each %$res) { 3221 while (my ($name, $info) = each %$res) {
3222 if (defined $info->{type}) {
2905 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3223 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2906 my $data; 3224 my $data;
2907 3225
2908 if ($info->{type} & 1) { 3226 if ($info->{type} & 1) {
2909 # prepend meta info 3227 # prepend meta info
2910 3228
2911 my $meta = $enc->encode ({ 3229 my $meta = $enc->encode ({
2912 name => $name, 3230 name => $name,
2913 %{ $info->{meta} || {} }, 3231 %{ $info->{meta} || {} },
2914 }); 3232 });
2915 3233
2916 $data = pack "(w/a*)*", $meta, $info->{data}; 3234 $data = pack "(w/a*)*", $meta, $info->{data};
3235 } else {
3236 $data = $info->{data};
3237 }
3238
3239 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3240 cf::face::set_type $idx, $info->{type};
2917 } else { 3241 } else {
2918 $data = $info->{data}; 3242 $RESOURCE{$name} = $info;
2919 } 3243 }
2920 3244
2921 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2922 cf::face::set_type $idx, $info->{type};
2923
2924 cf::cede_to_tick; 3245 cf::cede_to_tick;
2925 } 3246 }
2926
2927 if ($soundconf) {
2928 $soundconf = $enc->decode (delete $soundconf->{data});
2929
2930 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2931 my $sound = $soundconf->{compat}[$_]
2932 or next;
2933
2934 my $face = cf::face::find "sound/$sound->[1]";
2935 cf::sound::set $sound->[0] => $face;
2936 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2937 }
2938
2939 while (my ($k, $v) = each %{$soundconf->{event}}) {
2940 my $face = cf::face::find "sound/$v";
2941 cf::sound::set $k => $face;
2942 }
2943 }
2944 } 3247 }
3248
3249 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2945 3250
2946 1 3251 1
2947} 3252}
3253
3254cf::global->attach (on_resource_update => sub {
3255 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3256 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3257
3258 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3259 my $sound = $soundconf->{compat}[$_]
3260 or next;
3261
3262 my $face = cf::face::find "sound/$sound->[1]";
3263 cf::sound::set $sound->[0] => $face;
3264 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3265 }
3266
3267 while (my ($k, $v) = each %{$soundconf->{event}}) {
3268 my $face = cf::face::find "sound/$v";
3269 cf::sound::set $k => $face;
3270 }
3271 }
3272});
2948 3273
2949register_exticmd fx_want => sub { 3274register_exticmd fx_want => sub {
2950 my ($ns, $want) = @_; 3275 my ($ns, $want) = @_;
2951 3276
2952 while (my ($k, $v) = each %$want) { 3277 while (my ($k, $v) = each %$want) {
2953 $ns->fx_want ($k, $v); 3278 $ns->fx_want ($k, $v);
2954 } 3279 }
2955}; 3280};
2956 3281
3282sub load_resource_file($) {
3283 my $guard = lock_acquire "load_resource_file";
3284
3285 my $status = load_resource_file_ $_[0];
3286 get_slot 0.1, 100;
3287 cf::arch::commit_load;
3288
3289 $status
3290}
3291
2957sub reload_regions { 3292sub reload_regions {
3293 # HACK to clear player env face cache, we need some signal framework
3294 # for this (global event?)
3295 %ext::player_env::MUSIC_FACE_CACHE = ();
3296
2958 load_resource_file "$MAPDIR/regions" 3297 load_resource_file "$MAPDIR/regions"
2959 or die "unable to load regions file\n"; 3298 or die "unable to load regions file\n";
2960 3299
2961 for (cf::region::list) { 3300 for (cf::region::list) {
2962 $_->{match} = qr/$_->{match}/ 3301 $_->{match} = qr/$_->{match}/
2970} 3309}
2971 3310
2972sub reload_archetypes { 3311sub reload_archetypes {
2973 load_resource_file "$DATADIR/archetypes" 3312 load_resource_file "$DATADIR/archetypes"
2974 or die "unable to load archetypes\n"; 3313 or die "unable to load archetypes\n";
2975 #d# NEED to laod twice to resolve forward references
2976 # this really needs to be done in an extra post-pass
2977 # (which needs to be synchronous, so solve it differently)
2978 load_resource_file "$DATADIR/archetypes"
2979 or die "unable to load archetypes\n";
2980} 3314}
2981 3315
2982sub reload_treasures { 3316sub reload_treasures {
2983 load_resource_file "$DATADIR/treasures" 3317 load_resource_file "$DATADIR/treasures"
2984 or die "unable to load treasurelists\n"; 3318 or die "unable to load treasurelists\n";
2985} 3319}
2986 3320
2987sub reload_resources { 3321sub reload_resources {
2988 warn "reloading resource files...\n"; 3322 warn "reloading resource files...\n";
2989 3323
3324 reload_facedata;
3325 reload_archetypes;
2990 reload_regions; 3326 reload_regions;
2991 reload_facedata;
2992 #reload_archetypes;#d#
2993 reload_archetypes;
2994 reload_treasures; 3327 reload_treasures;
2995 3328
2996 warn "finished reloading resource files\n"; 3329 warn "finished reloading resource files\n";
2997} 3330}
2998 3331
2999sub init { 3332sub init {
3333 my $guard = freeze_mainloop;
3334
3335 evthread_start IO::AIO::poll_fileno;
3336
3000 reload_resources; 3337 reload_resources;
3001} 3338}
3002 3339
3003sub cfg_load { 3340sub reload_config {
3004 open my $fh, "<:utf8", "$CONFDIR/config" 3341 open my $fh, "<:utf8", "$CONFDIR/config"
3005 or return; 3342 or return;
3006 3343
3007 local $/; 3344 local $/;
3008 *CFG = YAML::Syck::Load <$fh>; 3345 *CFG = YAML::Load <$fh>;
3009 3346
3010 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3347 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3011 3348
3012 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3349 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3013 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3350 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3019 }; 3356 };
3020 warn $@ if $@; 3357 warn $@ if $@;
3021 } 3358 }
3022} 3359}
3023 3360
3361sub pidfile() {
3362 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3363 or die "$PIDFILE: $!";
3364 flock $fh, &Fcntl::LOCK_EX
3365 or die "$PIDFILE: flock: $!";
3366 $fh
3367}
3368
3369# make sure only one server instance is running at any one time
3370sub atomic {
3371 my $fh = pidfile;
3372
3373 my $pid = <$fh>;
3374 kill 9, $pid if $pid > 0;
3375
3376 seek $fh, 0, 0;
3377 print $fh $$;
3378}
3379
3024sub main { 3380sub main {
3381 atomic;
3382
3025 # we must not ever block the main coroutine 3383 # we must not ever block the main coroutine
3026 local $Coro::idle = sub { 3384 local $Coro::idle = sub {
3027 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3385 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3028 (async { 3386 (async {
3029 Event::one_event; 3387 $Coro::current->{desc} = "IDLE BUG HANDLER";
3388 EV::loop EV::LOOP_ONESHOT;
3030 })->prio (Coro::PRIO_MAX); 3389 })->prio (Coro::PRIO_MAX);
3031 }; 3390 };
3032 3391
3033 cfg_load; 3392 {
3393 my $guard = freeze_mainloop;
3394 reload_config;
3034 db_init; 3395 db_init;
3035 load_extensions; 3396 load_extensions;
3036 3397
3037 $TICK_WATCHER->start; 3398 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3399 }
3400
3401 utime time, time, $RUNTIMEFILE;
3402
3403 # no (long-running) fork's whatsoever before this point(!)
3404 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3405
3038 Event::loop; 3406 EV::loop;
3039} 3407}
3040 3408
3041############################################################################# 3409#############################################################################
3042# initialisation and cleanup 3410# initialisation and cleanup
3043 3411
3044# install some emergency cleanup handlers 3412# install some emergency cleanup handlers
3045BEGIN { 3413BEGIN {
3414 our %SIGWATCHER = ();
3046 for my $signal (qw(INT HUP TERM)) { 3415 for my $signal (qw(INT HUP TERM)) {
3047 Event->signal ( 3416 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3048 reentrant => 0,
3049 data => WF_AUTOCANCEL,
3050 signal => $signal,
3051 prio => 0,
3052 cb => sub {
3053 cf::cleanup "SIG$signal"; 3417 cf::cleanup "SIG$signal";
3054 },
3055 ); 3418 };
3056 } 3419 }
3057} 3420}
3058 3421
3059sub write_runtime { 3422sub write_runtime_sync {
3060 my $runtime = "$LOCALDIR/runtime";
3061
3062 # first touch the runtime file to show we are still running: 3423 # first touch the runtime file to show we are still running:
3063 # the fsync below can take a very very long time. 3424 # the fsync below can take a very very long time.
3064 3425
3065 IO::AIO::aio_utime $runtime, undef, undef; 3426 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3066 3427
3067 my $guard = cf::lock_acquire "write_runtime"; 3428 my $guard = cf::lock_acquire "write_runtime";
3068 3429
3069 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3430 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3070 or return; 3431 or return;
3071 3432
3072 my $value = $cf::RUNTIME + 90 + 10; 3433 my $value = $cf::RUNTIME + 90 + 10;
3073 # 10 is the runtime save interval, for a monotonic clock 3434 # 10 is the runtime save interval, for a monotonic clock
3074 # 60 allows for the watchdog to kill the server. 3435 # 60 allows for the watchdog to kill the server.
3084 aio_utime $fh, undef, undef; 3445 aio_utime $fh, undef, undef;
3085 3446
3086 close $fh 3447 close $fh
3087 or return; 3448 or return;
3088 3449
3089 aio_rename "$runtime~", $runtime 3450 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3090 and return; 3451 and return;
3091 3452
3092 warn "runtime file written.\n"; 3453 warn "runtime file written.\n";
3093 3454
3094 1 3455 1
3456}
3457
3458our $uuid_lock;
3459our $uuid_skip;
3460
3461sub write_uuid_sync($) {
3462 $uuid_skip ||= $_[0];
3463
3464 return if $uuid_lock;
3465 local $uuid_lock = 1;
3466
3467 my $uuid = "$LOCALDIR/uuid";
3468
3469 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470 or return;
3471
3472 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3473 $uuid_skip = 0;
3474
3475 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3476 and return;
3477
3478 # always fsync - this file is important
3479 aio_fsync $fh
3480 and return;
3481
3482 close $fh
3483 or return;
3484
3485 aio_rename "$uuid~", $uuid
3486 and return;
3487
3488 warn "uuid file written ($value).\n";
3489
3490 1
3491
3492}
3493
3494sub write_uuid($$) {
3495 my ($skip, $sync) = @_;
3496
3497 $sync ? write_uuid_sync $skip
3498 : async { write_uuid_sync $skip };
3095} 3499}
3096 3500
3097sub emergency_save() { 3501sub emergency_save() {
3098 my $freeze_guard = cf::freeze_mainloop; 3502 my $freeze_guard = cf::freeze_mainloop;
3099 3503
3105 # and maps saved/destroyed asynchronously. 3509 # and maps saved/destroyed asynchronously.
3106 warn "begin emergency player save\n"; 3510 warn "begin emergency player save\n";
3107 for my $login (keys %cf::PLAYER) { 3511 for my $login (keys %cf::PLAYER) {
3108 my $pl = $cf::PLAYER{$login} or next; 3512 my $pl = $cf::PLAYER{$login} or next;
3109 $pl->valid or next; 3513 $pl->valid or next;
3514 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3110 $pl->save; 3515 $pl->save;
3111 } 3516 }
3112 warn "end emergency player save\n"; 3517 warn "end emergency player save\n";
3113 3518
3114 warn "begin emergency map save\n"; 3519 warn "begin emergency map save\n";
3120 warn "end emergency map save\n"; 3525 warn "end emergency map save\n";
3121 3526
3122 warn "begin emergency database checkpoint\n"; 3527 warn "begin emergency database checkpoint\n";
3123 BDB::db_env_txn_checkpoint $DB_ENV; 3528 BDB::db_env_txn_checkpoint $DB_ENV;
3124 warn "end emergency database checkpoint\n"; 3529 warn "end emergency database checkpoint\n";
3530
3531 warn "begin write uuid\n";
3532 write_uuid_sync 1;
3533 warn "end write uuid\n";
3125 }; 3534 };
3126 3535
3127 warn "leave emergency perl save\n"; 3536 warn "leave emergency perl save\n";
3128} 3537}
3129 3538
3130sub post_cleanup { 3539sub post_cleanup {
3131 my ($make_core) = @_; 3540 my ($make_core) = @_;
3132 3541
3133 warn Carp::longmess "post_cleanup backtrace" 3542 warn Carp::longmess "post_cleanup backtrace"
3134 if $make_core; 3543 if $make_core;
3544
3545 my $fh = pidfile;
3546 unlink $PIDFILE if <$fh> == $$;
3135} 3547}
3548
3549# a safer delete_package, copied from Symbol
3550sub clear_package($) {
3551 my $pkg = shift;
3552
3553 # expand to full symbol table name if needed
3554 unless ($pkg =~ /^main::.*::$/) {
3555 $pkg = "main$pkg" if $pkg =~ /^::/;
3556 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3557 $pkg .= '::' unless $pkg =~ /::$/;
3558 }
3559
3560 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3561 my $stem_symtab = *{$stem}{HASH};
3562
3563 defined $stem_symtab and exists $stem_symtab->{$leaf}
3564 or return;
3565
3566 # clear all symbols
3567 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3568 for my $name (keys %$leaf_symtab) {
3569 _gv_clear *{"$pkg$name"};
3570# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3571 }
3572 warn "cleared package #$pkg\n";#d#
3573}
3574
3575our $RELOAD; # how many times to reload
3136 3576
3137sub do_reload_perl() { 3577sub do_reload_perl() {
3138 # can/must only be called in main 3578 # can/must only be called in main
3139 if ($Coro::current != $Coro::main) { 3579 if ($Coro::current != $Coro::main) {
3140 warn "can only reload from main coroutine"; 3580 warn "can only reload from main coroutine";
3141 return; 3581 return;
3142 } 3582 }
3143 3583
3584 return if $RELOAD++;
3585
3586 while ($RELOAD) {
3144 warn "reloading..."; 3587 warn "reloading...";
3145 3588
3146 warn "entering sync_job"; 3589 warn "entering sync_job";
3147 3590
3148 cf::sync_job { 3591 cf::sync_job {
3149 cf::write_runtime; # external watchdog should not bark 3592 cf::write_runtime_sync; # external watchdog should not bark
3150 cf::emergency_save; 3593 cf::emergency_save;
3151 cf::write_runtime; # external watchdog should not bark 3594 cf::write_runtime_sync; # external watchdog should not bark
3152 3595
3153 warn "syncing database to disk"; 3596 warn "syncing database to disk";
3154 BDB::db_env_txn_checkpoint $DB_ENV; 3597 BDB::db_env_txn_checkpoint $DB_ENV;
3155 3598
3156 # if anything goes wrong in here, we should simply crash as we already saved 3599 # if anything goes wrong in here, we should simply crash as we already saved
3157 3600
3158 warn "cancelling all WF_AUTOCANCEL watchers";
3159 for (Event::all_watchers) {
3160 $_->cancel if $_->data & WF_AUTOCANCEL;
3161 }
3162
3163 warn "flushing outstanding aio requests"; 3601 warn "flushing outstanding aio requests";
3164 for (;;) {
3165 BDB::flush;
3166 IO::AIO::flush;
3167 Coro::cede;
3168 last unless IO::AIO::nreqs || BDB::nreqs; 3602 while (IO::AIO::nreqs || BDB::nreqs) {
3169 warn "iterate..."; 3603 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3170 }
3171
3172 ++$RELOAD;
3173
3174 warn "cancelling all extension coros";
3175 $_->cancel for values %EXT_CORO;
3176 %EXT_CORO = ();
3177
3178 warn "removing commands";
3179 %COMMAND = ();
3180
3181 warn "removing ext/exti commands";
3182 %EXTCMD = ();
3183 %EXTICMD = ();
3184
3185 warn "unloading/nuking all extensions";
3186 for my $pkg (@EXTS) {
3187 warn "... unloading $pkg";
3188
3189 if (my $cb = $pkg->can ("unload")) {
3190 eval {
3191 $cb->($pkg);
3192 1
3193 } or warn "$pkg unloaded, but with errors: $@";
3194 } 3604 }
3195 3605
3196 warn "... nuking $pkg"; 3606 warn "cancelling all extension coros";
3197 Symbol::delete_package $pkg; 3607 $_->cancel for values %EXT_CORO;
3198 } 3608 %EXT_CORO = ();
3199 3609
3200 warn "unloading all perl modules loaded from $LIBDIR"; 3610 warn "removing commands";
3201 while (my ($k, $v) = each %INC) { 3611 %COMMAND = ();
3202 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3203 3612
3613 warn "removing ext/exti commands";
3614 %EXTCMD = ();
3615 %EXTICMD = ();
3616
3617 warn "unloading/nuking all extensions";
3618 for my $pkg (@EXTS) {
3204 warn "... unloading $k"; 3619 warn "... unloading $pkg";
3205 delete $INC{$k};
3206 3620
3207 $k =~ s/\.pm$//;
3208 $k =~ s/\//::/g;
3209
3210 if (my $cb = $k->can ("unload_module")) { 3621 if (my $cb = $pkg->can ("unload")) {
3622 eval {
3211 $cb->(); 3623 $cb->($pkg);
3624 1
3625 } or warn "$pkg unloaded, but with errors: $@";
3626 }
3627
3628 warn "... clearing $pkg";
3629 clear_package $pkg;
3212 } 3630 }
3213 3631
3214 Symbol::delete_package $k; 3632 warn "unloading all perl modules loaded from $LIBDIR";
3633 while (my ($k, $v) = each %INC) {
3634 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3635
3636 warn "... unloading $k";
3637 delete $INC{$k};
3638
3639 $k =~ s/\.pm$//;
3640 $k =~ s/\//::/g;
3641
3642 if (my $cb = $k->can ("unload_module")) {
3643 $cb->();
3644 }
3645
3646 clear_package $k;
3215 } 3647 }
3216 3648
3217 warn "getting rid of safe::, as good as possible"; 3649 warn "getting rid of safe::, as good as possible";
3218 Symbol::delete_package "safe::$_" 3650 clear_package "safe::$_"
3219 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3651 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3220 3652
3221 warn "unloading cf.pm \"a bit\""; 3653 warn "unloading cf.pm \"a bit\"";
3222 delete $INC{"cf.pm"}; 3654 delete $INC{"cf.pm"};
3223 delete $INC{"cf/pod.pm"}; 3655 delete $INC{"cf/pod.pm"};
3224 3656
3225 # don't, removes xs symbols, too, 3657 # don't, removes xs symbols, too,
3226 # and global variables created in xs 3658 # and global variables created in xs
3227 #Symbol::delete_package __PACKAGE__; 3659 #clear_package __PACKAGE__;
3228 3660
3229 warn "unload completed, starting to reload now"; 3661 warn "unload completed, starting to reload now";
3230 3662
3231 warn "reloading cf.pm"; 3663 warn "reloading cf.pm";
3232 require cf; 3664 require cf;
3233 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3665 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3234 3666
3235 warn "loading config and database again"; 3667 warn "loading config and database again";
3236 cf::cfg_load; 3668 cf::reload_config;
3237 3669
3238 warn "loading extensions"; 3670 warn "loading extensions";
3239 cf::load_extensions; 3671 cf::load_extensions;
3240 3672
3241 warn "reattaching attachments to objects/players"; 3673 warn "reattaching attachments to objects/players";
3242 _global_reattach; # objects, sockets 3674 _global_reattach; # objects, sockets
3243 warn "reattaching attachments to maps"; 3675 warn "reattaching attachments to maps";
3244 reattach $_ for values %MAP; 3676 reattach $_ for values %MAP;
3245 warn "reattaching attachments to players"; 3677 warn "reattaching attachments to players";
3246 reattach $_ for values %PLAYER; 3678 reattach $_ for values %PLAYER;
3247 3679
3248 warn "leaving sync_job"; 3680 warn "leaving sync_job";
3249 3681
3250 1 3682 1
3251 } or do { 3683 } or do {
3252 warn $@; 3684 warn $@;
3253 warn "error while reloading, exiting."; 3685 cf::cleanup "error while reloading, exiting.";
3254 exit 1;
3255 }; 3686 };
3256 3687
3257 warn "reloaded"; 3688 warn "reloaded";
3689 --$RELOAD;
3690 }
3258}; 3691};
3259 3692
3260our $RELOAD_WATCHER; # used only during reload 3693our $RELOAD_WATCHER; # used only during reload
3261 3694
3262sub reload_perl() { 3695sub reload_perl() {
3263 # doing reload synchronously and two reloads happen back-to-back, 3696 # doing reload synchronously and two reloads happen back-to-back,
3264 # coro crashes during coro_state_free->destroy here. 3697 # coro crashes during coro_state_free->destroy here.
3265 3698
3266 $RELOAD_WATCHER ||= Event->timer ( 3699 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3267 reentrant => 0,
3268 after => 0,
3269 data => WF_AUTOCANCEL,
3270 cb => sub {
3271 do_reload_perl; 3700 do_reload_perl;
3272 undef $RELOAD_WATCHER; 3701 undef $RELOAD_WATCHER;
3273 },
3274 ); 3702 };
3275} 3703}
3276 3704
3277register_command "reload" => sub { 3705register_command "reload" => sub {
3278 my ($who, $arg) = @_; 3706 my ($who, $arg) = @_;
3279 3707
3280 if ($who->flag (FLAG_WIZ)) { 3708 if ($who->flag (FLAG_WIZ)) {
3281 $who->message ("reloading server."); 3709 $who->message ("reloading server.");
3710 async {
3711 $Coro::current->{desc} = "perl_reload";
3282 async { reload_perl }; 3712 reload_perl;
3713 };
3283 } 3714 }
3284}; 3715};
3285 3716
3286unshift @INC, $LIBDIR; 3717unshift @INC, $LIBDIR;
3287 3718
3289 3720
3290our @WAIT_FOR_TICK; 3721our @WAIT_FOR_TICK;
3291our @WAIT_FOR_TICK_BEGIN; 3722our @WAIT_FOR_TICK_BEGIN;
3292 3723
3293sub wait_for_tick { 3724sub wait_for_tick {
3294 return unless $TICK_WATCHER->is_active;
3295 return if $Coro::current == $Coro::main; 3725 return if tick_inhibit || $Coro::current == $Coro::main;
3296 3726
3297 my $signal = new Coro::Signal; 3727 my $signal = new Coro::Signal;
3298 push @WAIT_FOR_TICK, $signal; 3728 push @WAIT_FOR_TICK, $signal;
3299 $signal->wait; 3729 $signal->wait;
3300} 3730}
3301 3731
3302sub wait_for_tick_begin { 3732sub wait_for_tick_begin {
3303 return unless $TICK_WATCHER->is_active;
3304 return if $Coro::current == $Coro::main; 3733 return if tick_inhibit || $Coro::current == $Coro::main;
3305 3734
3306 my $signal = new Coro::Signal; 3735 my $signal = new Coro::Signal;
3307 push @WAIT_FOR_TICK_BEGIN, $signal; 3736 push @WAIT_FOR_TICK_BEGIN, $signal;
3308 $signal->wait; 3737 $signal->wait;
3309} 3738}
3310 3739
3311 my $min = 1e6;#d# 3740sub tick {
3312 my $avg = 10;
3313$TICK_WATCHER = Event->timer (
3314 reentrant => 0,
3315 parked => 1,
3316 prio => 0,
3317 at => $NEXT_TICK || $TICK,
3318 data => WF_AUTOCANCEL,
3319 cb => sub {
3320 if ($Coro::current != $Coro::main) { 3741 if ($Coro::current != $Coro::main) {
3321 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3742 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3322 unless ++$bug_warning > 10; 3743 unless ++$bug_warning > 10;
3323 return; 3744 return;
3324 } 3745 }
3325 3746
3326 $NOW = $tick_start = Event::time;
3327
3328 cf::server_tick; # one server iteration 3747 cf::server_tick; # one server iteration
3329 3748
3330 0 && sync_job {#d# 3749 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3331 for(1..10) { 3750 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3332 my $t = Event::time; 3751 Coro::async_pool {
3333 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3752 $Coro::current->{desc} = "runtime saver";
3334 or die; 3753 write_runtime_sync
3335 3754 or warn "ERROR: unable to write runtime file: $!";
3336 $map->width (50);
3337 $map->height (50);
3338 $map->alloc;
3339 $map->_load_objects ("/tmp/x.map", 1);
3340 my $t = Event::time - $t;
3341
3342 #next unless $t < 0.0013;#d#
3343 if ($t < $min) {
3344 $min = $t;
3345 }
3346 $avg = $avg * 0.99 + $t * 0.01;
3347 }
3348 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3349 exit 0;
3350 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3351 }; 3755 };
3756 }
3352 3757
3353 $RUNTIME += $TICK;
3354 $NEXT_TICK += $TICK;
3355
3356 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3357 $NEXT_RUNTIME_WRITE = $NOW + 10;
3358 Coro::async_pool {
3359 write_runtime
3360 or warn "ERROR: unable to write runtime file: $!";
3361 };
3362 }
3363
3364# my $AFTER = Event::time;
3365# warn $AFTER - $NOW;#d#
3366
3367 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3758 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3368 $sig->send; 3759 $sig->send;
3369 } 3760 }
3370 while (my $sig = shift @WAIT_FOR_TICK) { 3761 while (my $sig = shift @WAIT_FOR_TICK) {
3371 $sig->send; 3762 $sig->send;
3372 } 3763 }
3373 3764
3374 $NOW = Event::time; 3765 $LOAD = ($NOW - $TICK_START) / $TICK;
3375
3376 # if we are delayed by four ticks or more, skip them all
3377 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3378
3379 $TICK_WATCHER->at ($NEXT_TICK);
3380 $TICK_WATCHER->start;
3381
3382 $LOAD = ($NOW - $tick_start) / $TICK;
3383 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3766 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3384 3767
3385 _post_tick; 3768 if (0) {
3386 3769 if ($NEXT_TICK) {
3387 3770 my $jitter = $TICK_START - $NEXT_TICK;
3771 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3772 warn "jitter $JITTER\n";#d#
3773 }
3388 }, 3774 }
3389); 3775}
3390 3776
3391{ 3777{
3392 BDB::max_poll_time $TICK * 0.1; 3778 # configure BDB
3393 $BDB_POLL_WATCHER = Event->io ( 3779
3394 reentrant => 0,
3395 fd => BDB::poll_fileno,
3396 poll => 'r',
3397 prio => 0,
3398 data => WF_AUTOCANCEL,
3399 cb => \&BDB::poll_cb,
3400 );
3401 BDB::min_parallel 8; 3780 BDB::min_parallel 8;
3402 3781 BDB::max_poll_reqs $TICK * 0.1;
3403 BDB::set_sync_prepare { 3782 $AnyEvent::BDB::WATCHER->priority (1);
3404 my $status;
3405 my $current = $Coro::current;
3406 (
3407 sub {
3408 $status = $!;
3409 $current->ready; undef $current;
3410 },
3411 sub {
3412 Coro::schedule while defined $current;
3413 $! = $status;
3414 },
3415 )
3416 };
3417 3783
3418 unless ($DB_ENV) { 3784 unless ($DB_ENV) {
3419 $DB_ENV = BDB::db_env_create; 3785 $DB_ENV = BDB::db_env_create;
3786 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3787 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3788 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3789 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3790 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3420 3791
3421 cf::sync_job { 3792 cf::sync_job {
3422 eval { 3793 eval {
3423 BDB::db_env_open 3794 BDB::db_env_open
3424 $DB_ENV, 3795 $DB_ENV,
3426 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3797 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3427 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3798 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3428 0666; 3799 0666;
3429 3800
3430 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3801 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3431
3432 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3433 $DB_ENV->set_lk_detect;
3434 }; 3802 };
3435 3803
3436 cf::cleanup "db_env_open(db): $@" if $@; 3804 cf::cleanup "db_env_open(db): $@" if $@;
3437 }; 3805 };
3438 } 3806 }
3807
3808 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3809 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3810 };
3811 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3812 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3813 };
3814 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3815 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3816 };
3439} 3817}
3440 3818
3441{ 3819{
3820 # configure IO::AIO
3821
3442 IO::AIO::min_parallel 8; 3822 IO::AIO::min_parallel 8;
3443
3444 undef $Coro::AIO::WATCHER;
3445 IO::AIO::max_poll_time $TICK * 0.1; 3823 IO::AIO::max_poll_time $TICK * 0.1;
3446 $AIO_POLL_WATCHER = Event->io ( 3824 undef $AnyEvent::AIO::WATCHER;
3447 reentrant => 0,
3448 data => WF_AUTOCANCEL,
3449 fd => IO::AIO::poll_fileno,
3450 poll => 'r',
3451 prio => 6,
3452 cb => \&IO::AIO::poll_cb,
3453 );
3454} 3825}
3455 3826
3456my $_log_backtrace; 3827my $_log_backtrace;
3457 3828
3458sub _log_backtrace { 3829sub _log_backtrace {
3462 3833
3463 # limit the # of concurrent backtraces 3834 # limit the # of concurrent backtraces
3464 if ($_log_backtrace < 2) { 3835 if ($_log_backtrace < 2) {
3465 ++$_log_backtrace; 3836 ++$_log_backtrace;
3466 async { 3837 async {
3838 $Coro::current->{desc} = "abt $msg";
3839
3467 my @bt = fork_call { 3840 my @bt = fork_call {
3468 @addr = map { sprintf "%x", $_ } @addr; 3841 @addr = map { sprintf "%x", $_ } @addr;
3469 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3842 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3470 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3843 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3471 or die "addr2line: $!"; 3844 or die "addr2line: $!";

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