ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.338 by root, Tue Aug 21 01:07:47 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 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";
623 730
624############################################################################# 731#############################################################################
625 732
626=head2 ATTACHABLE OBJECTS 733=head2 ATTACHABLE OBJECTS
627 734
628Many objects in crossfire are so-called attachable objects. That means you can 735Many objects in deliantra are so-called attachable objects. That means you can
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
683=item cf::CLASS::attachment $name, ... 790=item cf::CLASS::attachment $name, ...
684 791
685Register an attachment by C<$name> through which attachable objects of the 792Register an attachment by C<$name> through which attachable objects of the
686given CLASS can refer to this attachment. 793given CLASS can refer to this attachment.
687 794
688Some classes such as crossfire maps and objects can specify attachments 795Some classes such as deliantra maps and objects can specify attachments
689that are attached at load/instantiate time, thus the need for a name. 796that are attached at load/instantiate time, thus the need for a name.
690 797
691These calls expect any number of the following handler/hook descriptions: 798These calls expect any number of the following handler/hook descriptions:
692 799
693=over 4 800=over 4
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
1245 1388
1246=back 1389=back
1247 1390
1248=head2 CORE EXTENSIONS 1391=head2 CORE EXTENSIONS
1249 1392
1250Functions and methods that extend core crossfire objects. 1393Functions and methods that extend core deliantra objects.
1251 1394
1252=cut 1395=cut
1253 1396
1254package cf::player; 1397package cf::player;
1255 1398
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
1449 } 1622 }
1450 1623
1451 \@paths 1624 \@paths
1452} 1625}
1453 1626
1454=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1627=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455 1628
1456Expand crossfire pod fragments into protocol xml. 1629Expand deliantra pod fragments into protocol xml.
1457
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 1630
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
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
1947} 2092}
1948 2093
1949sub do_load_sync { 2094sub do_load_sync {
1950 my ($map) = @_; 2095 my ($map) = @_;
1951 2096
2097 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2098 if $Coro::current == $Coro::main;
2099
1952 cf::sync_job { $map->load }; 2100 cf::sync_job { $map->load };
1953} 2101}
1954 2102
1955our %MAP_PREFETCH; 2103our %MAP_PREFETCH;
1956our $MAP_PREFETCHER = undef; 2104our $MAP_PREFETCHER = undef;
1957 2105
1958sub find_async { 2106sub find_async {
1959 my ($path, $origin) = @_; 2107 my ($path, $origin, $load) = @_;
1960 2108
1961 $path = normalise $path, $origin && $origin->{path}; 2109 $path = normalise $path, $origin && $origin->{path};
1962 2110
1963 if (my $map = $cf::MAP{$path}) { 2111 if (my $map = $cf::MAP{$path}) {
1964 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2112 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1965 } 2113 }
1966 2114
1967 undef $MAP_PREFETCH{$path}; 2115 $MAP_PREFETCH{$path} |= $load;
2116
1968 $MAP_PREFETCHER ||= cf::async { 2117 $MAP_PREFETCHER ||= cf::async {
2118 $Coro::current->{desc} = "map prefetcher";
2119
1969 while (%MAP_PREFETCH) { 2120 while (%MAP_PREFETCH) {
1970 for my $path (keys %MAP_PREFETCH) { 2121 while (my ($k, $v) = each %MAP_PREFETCH) {
1971 if (my $map = find $path) { 2122 if (my $map = find $k) {
1972 $map->load; 2123 $map->load if $v;
1973 } 2124 }
1974 2125
1975 delete $MAP_PREFETCH{$path}; 2126 delete $MAP_PREFETCH{$k};
1976 } 2127 }
1977 } 2128 }
1978 undef $MAP_PREFETCHER; 2129 undef $MAP_PREFETCHER;
1979 }; 2130 };
1980 $MAP_PREFETCHER->prio (6); 2131 $MAP_PREFETCHER->prio (6);
1983} 2134}
1984 2135
1985sub save { 2136sub save {
1986 my ($self) = @_; 2137 my ($self) = @_;
1987 2138
1988 my $lock = cf::lock_acquire "map_data:" . $self->path; 2139 my $lock = cf::lock_acquire "map_data:$self->{path}";
1989 2140
1990 $self->{last_save} = $cf::RUNTIME; 2141 $self->{last_save} = $cf::RUNTIME;
1991 2142
1992 return unless $self->dirty; 2143 return unless $self->dirty;
1993 2144
1999 return if $self->{deny_save}; 2150 return if $self->{deny_save};
2000 2151
2001 local $self->{last_access} = $self->last_access;#d# 2152 local $self->{last_access} = $self->last_access;#d#
2002 2153
2003 cf::async { 2154 cf::async {
2155 $Coro::current->{desc} = "map player save";
2004 $_->contr->save for $self->players; 2156 $_->contr->save for $self->players;
2005 }; 2157 };
2158
2159 cf::get_slot 0.02;
2006 2160
2007 if ($uniq) { 2161 if ($uniq) {
2008 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2162 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2009 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2163 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2010 } else { 2164 } else {
2016 my ($self) = @_; 2170 my ($self) = @_;
2017 2171
2018 # save first because save cedes 2172 # save first because save cedes
2019 $self->save; 2173 $self->save;
2020 2174
2021 my $lock = cf::lock_acquire "map_data:" . $self->path; 2175 my $lock = cf::lock_acquire "map_data:$self->{path}";
2022 2176
2023 return if $self->players; 2177 return if $self->players;
2024 return if $self->in_memory != cf::MAP_IN_MEMORY; 2178 return if $self->in_memory != cf::MAP_ACTIVE;
2025 return if $self->{deny_save}; 2179 return if $self->{deny_save};
2026 2180
2181 $self->in_memory (cf::MAP_SWAPPED);
2182
2183 $self->deactivate;
2184 $_->clear_links_to ($self) for values %cf::MAP;
2027 $self->clear; 2185 $self->clear;
2028 $self->in_memory (cf::MAP_SWAPPED);
2029} 2186}
2030 2187
2031sub reset_at { 2188sub reset_at {
2032 my ($self) = @_; 2189 my ($self) = @_;
2033 2190
2065 if $uniq; 2222 if $uniq;
2066 } 2223 }
2067 2224
2068 delete $cf::MAP{$self->path}; 2225 delete $cf::MAP{$self->path};
2069 2226
2227 $self->deactivate;
2228 $_->clear_links_to ($self) for values %cf::MAP;
2070 $self->clear; 2229 $self->clear;
2071
2072 $_->clear_links_to ($self) for values %cf::MAP;
2073 2230
2074 $self->unlink_save; 2231 $self->unlink_save;
2075 $self->destroy; 2232 $self->destroy;
2076} 2233}
2077 2234
2078my $nuke_counter = "aaaa"; 2235my $nuke_counter = "aaaa";
2079 2236
2080sub nuke { 2237sub nuke {
2081 my ($self) = @_; 2238 my ($self) = @_;
2082 2239
2240 {
2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
2242
2083 delete $cf::MAP{$self->path}; 2243 delete $cf::MAP{$self->path};
2084 2244
2085 $self->unlink_save; 2245 $self->unlink_save;
2086 2246
2087 bless $self, "cf::map"; 2247 bless $self, "cf::map";
2088 delete $self->{deny_reset}; 2248 delete $self->{deny_reset};
2089 $self->{deny_save} = 1; 2249 $self->{deny_save} = 1;
2090 $self->reset_timeout (1); 2250 $self->reset_timeout (1);
2091 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2251 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2092 2252
2093 $cf::MAP{$self->path} = $self; 2253 $cf::MAP{$self->path} = $self;
2254 }
2094 2255
2095 $self->reset; # polite request, might not happen 2256 $self->reset; # polite request, might not happen
2096} 2257}
2097 2258
2098=item $maps = cf::map::tmp_maps 2259=item $maps = cf::map::tmp_maps
2140 2301
2141sub unique_maps() { 2302sub unique_maps() {
2142 [ 2303 [
2143 map { 2304 map {
2144 utf8::decode $_; 2305 utf8::decode $_;
2145 /\.map$/ 2306 s/\.map$//; # TODO future compatibility hack
2307 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2308 ? ()
2146 ? normalise $_ 2309 : normalise $_
2147 : ()
2148 } @{ aio_readdir $UNIQUEDIR or [] } 2310 } @{ aio_readdir $UNIQUEDIR or [] }
2149 ] 2311 ]
2150} 2312}
2151 2313
2152package cf;
2153
2154=back 2314=back
2155 2315
2156=head3 cf::object 2316=head3 cf::object
2157 2317
2158=cut 2318=cut
2161 2321
2162=over 4 2322=over 4
2163 2323
2164=item $ob->inv_recursive 2324=item $ob->inv_recursive
2165 2325
2166Returns 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.
2167 2328
2168=cut 2329=cut
2169 2330
2170sub inv_recursive_; 2331sub inv_recursive_;
2171sub inv_recursive_ { 2332sub inv_recursive_ {
2174 2335
2175sub inv_recursive { 2336sub inv_recursive {
2176 inv_recursive_ inv $_[0] 2337 inv_recursive_ inv $_[0]
2177} 2338}
2178 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
2179package cf; 2368package cf;
2180 2369
2181=back 2370=back
2182 2371
2183=head3 cf::object::player 2372=head3 cf::object::player
2189Sends 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>
2190can 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
2191dialogue with the given NPC character. 2380dialogue with the given NPC character.
2192 2381
2193=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};
2194 2397
2195# rough implementation of a future "reply" method that works 2398# rough implementation of a future "reply" method that works
2196# with dialog boxes. 2399# with dialog boxes.
2197#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
2198sub cf::object::player::reply($$$;$) { 2401sub cf::object::player::reply($$$;$) {
2210 my $dialog = $pl->{npc_dialog}; 2413 my $dialog = $pl->{npc_dialog};
2211 $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));
2212 2415
2213 } else { 2416 } else {
2214 $msg = $npc->name . " says: $msg" if $npc; 2417 $msg = $npc->name . " says: $msg" if $npc;
2215 $self->message ($msg, $flags); 2418 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2216 } 2419 }
2217 } 2420 }
2218} 2421}
2219 2422
2220=item $object->send_msg ($channel, $msg, $color, [extra...]) 2423=item $object->send_msg ($channel, $msg, $color, [extra...])
2245 2448
2246=item $player_object->enter_link 2449=item $player_object->enter_link
2247 2450
2248Freezes the player and moves him/her to a special map (C<{link}>). 2451Freezes the player and moves him/her to a special map (C<{link}>).
2249 2452
2250The player should be reasonably safe there for short amounts of time. You 2453The player should be reasonably safe there for short amounts of time (e.g.
2251I<MUST> call C<leave_link> as soon as possible, though. 2454for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455though, as the palyer cannot control the character while it is on the link
2456map.
2252 2457
2253Will never block. 2458Will never block.
2254 2459
2255=item $player_object->leave_link ($map, $x, $y) 2460=item $player_object->leave_link ($map, $x, $y)
2256 2461
2314 2519
2315 $map->load; 2520 $map->load;
2316 $map->load_neighbours; 2521 $map->load_neighbours;
2317 2522
2318 return unless $self->contr->active; 2523 return unless $self->contr->active;
2524 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2319 $self->activate_recursive; 2525 $self->activate_recursive;
2320 2526
2321 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2527 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2322 $self->enter_map ($map, $x, $y); 2528 $self->enter_map ($map, $x, $y);
2323} 2529}
2328her, loading and preparing them map, calling the provided $check callback 2534her, loading and preparing them map, calling the provided $check callback
2329that has to return the map if sucecssful, and then unfreezes the player on 2535that has to return the map if sucecssful, and then unfreezes the player on
2330the new (success) or old (failed) map position. In either case, $done will 2536the new (success) or old (failed) map position. In either case, $done will
2331be called at the end of this process. 2537be called at the end of this process.
2332 2538
2539Note that $check will be called with a potentially non-loaded map, so if
2540it needs a loaded map it has to call C<< ->load >>.
2541
2333=cut 2542=cut
2334 2543
2335our $GOTOGEN; 2544our $GOTOGEN;
2336 2545
2337sub cf::object::player::goto { 2546sub cf::object::player::goto {
2341 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2550 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2342 2551
2343 $self->enter_link; 2552 $self->enter_link;
2344 2553
2345 (async { 2554 (async {
2555 $Coro::current->{desc} = "player::goto $path $x $y";
2556
2557 # *tag paths override both path and x|y
2558 if ($path =~ /^\*(.*)$/) {
2559 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2560 my $ob = $obs[rand @obs];
2561
2562 # see if we actually can go there
2563 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2564 $ob = $obs[rand @obs];
2565 } else {
2566 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2567 }
2568 # else put us there anyways for now #d#
2569
2570 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2571 } else {
2572 ($path, $x, $y) = (undef, undef, undef);
2573 }
2574 }
2575
2346 my $map = eval { 2576 my $map = eval {
2347 my $map = cf::map::find $path; 2577 my $map = defined $path ? cf::map::find $path : undef;
2348 2578
2349 if ($map) { 2579 if ($map) {
2350 $map = $map->customise_for ($self); 2580 $map = $map->customise_for ($self);
2351 $map = $check->($map) if $check && $map; 2581 $map = $check->($map) if $check && $map;
2352 } else { 2582 } else {
2353 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2583 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2354 } 2584 }
2355 2585
2356 $map 2586 $map
2357 }; 2587 };
2358 2588
2394} 2624}
2395 2625
2396sub prepare_random_map { 2626sub prepare_random_map {
2397 my ($exit) = @_; 2627 my ($exit) = @_;
2398 2628
2399 my $guard = cf::lock_acquire "exit_prepare:$exit";
2400
2401 # all this does is basically replace the /! path by 2629 # all this does is basically replace the /! path by
2402 # a new random map path (?random/...) with a seed 2630 # a new random map path (?random/...) with a seed
2403 # that depends on the exit object 2631 # that depends on the exit object
2404 2632
2405 my $rmp = parse_random_map_params $exit->msg; 2633 my $rmp = parse_random_map_params $exit->msg;
2407 if ($exit->map) { 2635 if ($exit->map) {
2408 $rmp->{region} = $exit->region->name; 2636 $rmp->{region} = $exit->region->name;
2409 $rmp->{origin_map} = $exit->map->path; 2637 $rmp->{origin_map} = $exit->map->path;
2410 $rmp->{origin_x} = $exit->x; 2638 $rmp->{origin_x} = $exit->x;
2411 $rmp->{origin_y} = $exit->y; 2639 $rmp->{origin_y} = $exit->y;
2640
2641 $exit->map->touch;
2412 } 2642 }
2413 2643
2414 $rmp->{random_seed} ||= $exit->random_seed; 2644 $rmp->{random_seed} ||= $exit->random_seed;
2415 2645
2416 my $data = cf::to_json $rmp; 2646 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2417 my $md5 = Digest::MD5::md5_hex $data; 2647 my $md5 = Digest::MD5::md5_hex $data;
2418 my $meta = "$RANDOMDIR/$md5.meta"; 2648 my $meta = "$RANDOMDIR/$md5.meta";
2419 2649
2420 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2650 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2421 aio_write $fh, 0, (length $data), $data, 0; 2651 aio_write $fh, 0, (length $data), $data, 0;
2422 undef $fh; 2652 undef $fh;
2423 aio_rename "$meta~", $meta; 2653 aio_rename "$meta~", $meta;
2424 2654
2655 my $slaying = "?random/$md5";
2656
2657 if ($exit->valid) {
2425 $exit->slaying ("?random/$md5"); 2658 $exit->slaying ("?random/$md5");
2426 $exit->msg (undef); 2659 $exit->msg (undef);
2660 }
2427 } 2661 }
2428} 2662}
2429 2663
2430sub cf::object::player::enter_exit { 2664sub cf::object::player::enter_exit {
2431 my ($self, $exit) = @_; 2665 my ($self, $exit) = @_;
2432 2666
2433 return unless $self->type == cf::PLAYER; 2667 return unless $self->type == cf::PLAYER;
2434 2668
2435 if ($exit->slaying eq "/!") {
2436 #TODO: this should de-fi-ni-te-ly not be a sync-job
2437 # the problem is that $exit might not survive long enough
2438 # so it needs to be done right now, right here
2439 cf::sync_job { prepare_random_map $exit };
2440 }
2441
2442 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2443 my $hp = $exit->stats->hp;
2444 my $sp = $exit->stats->sp;
2445
2446 $self->enter_link; 2669 $self->enter_link;
2447 2670
2448 # if exit is damned, update players death & WoR home-position
2449 $self->contr->savebed ($slaying, $hp, $sp)
2450 if $exit->flag (FLAG_DAMNED);
2451
2452 (async { 2671 (async {
2453 $self->deactivate_recursive; # just to be sure 2672 $Coro::current->{desc} = "enter_exit";
2673
2454 unless (eval { 2674 unless (eval {
2675 $self->deactivate_recursive; # just to be sure
2676
2677 # random map handling
2678 {
2679 my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681 prepare_random_map $exit
2682 if $exit->slaying eq "/!";
2683 }
2684
2685 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2686 my $x = $exit->stats->hp;
2687 my $y = $exit->stats->sp;
2688
2455 $self->goto ($slaying, $hp, $sp); 2689 $self->goto ($map, $x, $y);
2456 2690
2691 # if exit is damned, update players death & WoR home-position
2692 $self->contr->savebed ($map, $x, $y)
2693 if $exit->flag (cf::FLAG_DAMNED);
2694
2457 1; 2695 1
2458 }) { 2696 }) {
2459 $self->message ("Something went wrong deep within the crossfire server. " 2697 $self->message ("Something went wrong deep within the deliantra server. "
2460 . "I'll try to bring you back to the map you were before. " 2698 . "I'll try to bring you back to the map you were before. "
2461 . "Please report this to the dungeon master!", 2699 . "Please report this to the dungeon master!",
2462 cf::NDI_UNIQUE | cf::NDI_RED); 2700 cf::NDI_UNIQUE | cf::NDI_RED);
2463 2701
2464 warn "ERROR in enter_exit: $@"; 2702 warn "ERROR in enter_exit: $@";
2492the message, with C<log> being the default. If C<$color> is negative, suppress 2730the message, with C<log> being the default. If C<$color> is negative, suppress
2493the message unless the client supports the msg packet. 2731the message unless the client supports the msg packet.
2494 2732
2495=cut 2733=cut
2496 2734
2735# non-persistent channels (usually the info channel)
2736our %CHANNEL = (
2737 "c/identify" => {
2738 id => "infobox",
2739 title => "Identify",
2740 reply => undef,
2741 tooltip => "Items recently identified",
2742 },
2743 "c/examine" => {
2744 id => "infobox",
2745 title => "Examine",
2746 reply => undef,
2747 tooltip => "Signs and other items you examined",
2748 },
2749 "c/book" => {
2750 id => "infobox",
2751 title => "Book",
2752 reply => undef,
2753 tooltip => "The contents of a note or book",
2754 },
2755 "c/lookat" => {
2756 id => "infobox",
2757 title => "Look",
2758 reply => undef,
2759 tooltip => "What you saw there",
2760 },
2761 "c/who" => {
2762 id => "infobox",
2763 title => "Players",
2764 reply => undef,
2765 tooltip => "Shows players who are currently online",
2766 },
2767 "c/body" => {
2768 id => "infobox",
2769 title => "Body Parts",
2770 reply => undef,
2771 tooltip => "Shows which body parts you posess and are available",
2772 },
2773 "c/uptime" => {
2774 id => "infobox",
2775 title => "Uptime",
2776 reply => undef,
2777 tooltip => "How long the server has been running since last restart",
2778 },
2779 "c/mapinfo" => {
2780 id => "infobox",
2781 title => "Map Info",
2782 reply => undef,
2783 tooltip => "Information related to the maps",
2784 },
2785 "c/party" => {
2786 id => "party",
2787 title => "Party",
2788 reply => "gsay ",
2789 tooltip => "Messages and chat related to your party",
2790 },
2791);
2792
2497sub cf::client::send_msg { 2793sub cf::client::send_msg {
2498 my ($self, $channel, $msg, $color, @extra) = @_; 2794 my ($self, $channel, $msg, $color, @extra) = @_;
2499 2795
2500 $msg = $self->pl->expand_cfpod ($msg); 2796 $msg = $self->pl->expand_cfpod ($msg)
2797 unless $color & cf::NDI_VERBATIM;
2501 2798
2502 $color &= cf::NDI_CLIENT_MASK; # just in case... 2799 $color &= cf::NDI_CLIENT_MASK; # just in case...
2503 2800
2801 # check predefined channels, for the benefit of C
2802 if ($CHANNEL{$channel}) {
2803 $channel = $CHANNEL{$channel};
2804
2805 $self->ext_msg (channel_info => $channel)
2806 if $self->can_msg;
2807
2808 $channel = $channel->{id};
2809
2504 if (ref $channel) { 2810 } elsif (ref $channel) {
2505 # send meta info to client, if not yet sent 2811 # send meta info to client, if not yet sent
2506 unless (exists $self->{channel}{$channel->{id}}) { 2812 unless (exists $self->{channel}{$channel->{id}}) {
2507 $self->{channel}{$channel->{id}} = $channel; 2813 $self->{channel}{$channel->{id}} = $channel;
2508 $self->ext_msg (channel_info => $channel); 2814 $self->ext_msg (channel_info => $channel)
2815 if $self->can_msg;
2509 } 2816 }
2510 2817
2511 $channel = $channel->{id}; 2818 $channel = $channel->{id};
2512 } 2819 }
2513 2820
2516 if ($self->can_msg) { 2823 if ($self->can_msg) {
2517 # default colour, mask it out 2824 # default colour, mask it out
2518 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2825 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2519 if $color & cf::NDI_DEF; 2826 if $color & cf::NDI_DEF;
2520 2827
2521 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2828 my $pkt = "msg "
2829 . $self->{json_coder}->encode (
2522 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2830 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2831 );
2832
2833 # try lzf for large packets
2834 $pkt = "lzf " . Compress::LZF::compress $pkt
2835 if 1024 <= length $pkt and $self->{can_lzf};
2836
2837 # split very large packets
2838 if (8192 < length $pkt and $self->{can_lzf}) {
2839 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2840 $pkt = "frag";
2841 }
2842
2843 $self->send_packet ($pkt);
2523 } else { 2844 } else {
2524 if ($color >= 0) { 2845 if ($color >= 0) {
2525 # replace some tags by gcfclient-compatible ones 2846 # replace some tags by gcfclient-compatible ones
2526 for ($msg) { 2847 for ($msg) {
2527 1 while 2848 1 while
2554=cut 2875=cut
2555 2876
2556sub cf::client::ext_msg($$@) { 2877sub cf::client::ext_msg($$@) {
2557 my ($self, $type, @msg) = @_; 2878 my ($self, $type, @msg) = @_;
2558 2879
2559 my $extcmd = $self->extcmd;
2560
2561 if ($extcmd == 2) { 2880 if ($self->extcmd == 2) {
2562 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2881 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2563 } elsif ($extcmd == 1) { # TODO: remove 2882 } elsif ($self->extcmd == 1) { # TODO: remove
2564 push @msg, msgtype => "event_$type"; 2883 push @msg, msgtype => "event_$type";
2565 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2884 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2566 } 2885 }
2567} 2886}
2568 2887
2575sub cf::client::ext_reply($$@) { 2894sub cf::client::ext_reply($$@) {
2576 my ($self, $id, @msg) = @_; 2895 my ($self, $id, @msg) = @_;
2577 2896
2578 if ($self->extcmd == 2) { 2897 if ($self->extcmd == 2) {
2579 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 2898 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2580 } elsif ($self->ns->extcmd == 1) { 2899 } elsif ($self->extcmd == 1) {
2581 #TODO: version 1, remove 2900 #TODO: version 1, remove
2582 unshift @msg, msgtype => "reply", msgid => $id; 2901 unshift @msg, msgtype => "reply", msgid => $id;
2583 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2902 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2584 } 2903 }
2585} 2904}
2727=pod 3046=pod
2728 3047
2729The following functions and methods are available within a safe environment: 3048The following functions and methods are available within a safe environment:
2730 3049
2731 cf::object 3050 cf::object
2732 contr pay_amount pay_player map x y force_find force_add 3051 contr pay_amount pay_player map x y force_find force_add destroy
2733 insert remove name archname title slaying race 3052 insert remove name archname title slaying race decrease split
2734 3053
2735 cf::object::player 3054 cf::object::player
2736 player 3055 player
2737 3056
2738 cf::player 3057 cf::player
2743 3062
2744=cut 3063=cut
2745 3064
2746for ( 3065for (
2747 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3066 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2748 insert remove inv name archname title slaying race)], 3067 insert remove inv nrof name archname title slaying race
3068 decrease split destroy change_exp)],
2749 ["cf::object::player" => qw(player)], 3069 ["cf::object::player" => qw(player)],
2750 ["cf::player" => qw(peaceful)], 3070 ["cf::player" => qw(peaceful)],
2751 ["cf::map" => qw(trigger)], 3071 ["cf::map" => qw(trigger)],
2752) { 3072) {
2753 no strict 'refs'; 3073 no strict 'refs';
2829# the server's init and main functions 3149# the server's init and main functions
2830 3150
2831sub load_facedata($) { 3151sub load_facedata($) {
2832 my ($path) = @_; 3152 my ($path) = @_;
2833 3153
3154 # HACK to clear player env face cache, we need some signal framework
3155 # for this (global event?)
3156 %ext::player_env::MUSIC_FACE_CACHE = ();
3157
2834 my $enc = JSON::XS->new->utf8->canonical; 3158 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2835 3159
2836 warn "loading facedata from $path\n"; 3160 warn "loading facedata from $path\n";
2837 3161
2838 my $facedata; 3162 my $facedata;
2839 0 < aio_load $path, $facedata 3163 0 < aio_load $path, $facedata
2854 { 3178 {
2855 my $faces = $facedata->{faceinfo}; 3179 my $faces = $facedata->{faceinfo};
2856 3180
2857 while (my ($face, $info) = each %$faces) { 3181 while (my ($face, $info) = each %$faces) {
2858 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3182 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3183
2859 cf::face::set_visibility $idx, $info->{visibility}; 3184 cf::face::set_visibility $idx, $info->{visibility};
2860 cf::face::set_magicmap $idx, $info->{magicmap}; 3185 cf::face::set_magicmap $idx, $info->{magicmap};
2861 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3186 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2862 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3187 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2863 3188
2864 cf::cede_to_tick; 3189 cf::cede_to_tick;
2865 } 3190 }
2866 3191
2867 while (my ($face, $info) = each %$faces) { 3192 while (my ($face, $info) = each %$faces) {
2868 next unless $info->{smooth}; 3193 next unless $info->{smooth};
3194
2869 my $idx = cf::face::find $face 3195 my $idx = cf::face::find $face
2870 or next; 3196 or next;
3197
2871 if (my $smooth = cf::face::find $info->{smooth}) { 3198 if (my $smooth = cf::face::find $info->{smooth}) {
2872 cf::face::set_smooth $idx, $smooth; 3199 cf::face::set_smooth $idx, $smooth;
2873 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3200 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2874 } else { 3201 } else {
2875 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3202 warn "smooth face '$info->{smooth}' not found for face '$face'";
2893 { 3220 {
2894 # TODO: for gcfclient pleasure, we should give resources 3221 # TODO: for gcfclient pleasure, we should give resources
2895 # that gcfclient doesn't grok a >10000 face index. 3222 # that gcfclient doesn't grok a >10000 face index.
2896 my $res = $facedata->{resource}; 3223 my $res = $facedata->{resource};
2897 3224
2898 my $soundconf = delete $res->{"res/sound.conf"};
2899
2900 while (my ($name, $info) = each %$res) { 3225 while (my ($name, $info) = each %$res) {
3226 if (defined $info->{type}) {
2901 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3227 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2902 my $data; 3228 my $data;
2903 3229
2904 if ($info->{type} & 1) { 3230 if ($info->{type} & 1) {
2905 # prepend meta info 3231 # prepend meta info
2906 3232
2907 my $meta = $enc->encode ({ 3233 my $meta = $enc->encode ({
2908 name => $name, 3234 name => $name,
2909 %{ $info->{meta} || {} }, 3235 %{ $info->{meta} || {} },
2910 }); 3236 });
2911 3237
2912 $data = pack "(w/a*)*", $meta, $info->{data}; 3238 $data = pack "(w/a*)*", $meta, $info->{data};
3239 } else {
3240 $data = $info->{data};
3241 }
3242
3243 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3244 cf::face::set_type $idx, $info->{type};
2913 } else { 3245 } else {
2914 $data = $info->{data}; 3246 $RESOURCE{$name} = $info;
2915 } 3247 }
2916 3248
2917 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2918 cf::face::set_type $idx, $info->{type};
2919
2920 cf::cede_to_tick; 3249 cf::cede_to_tick;
2921 } 3250 }
2922
2923 if ($soundconf) {
2924 $soundconf = $enc->decode (delete $soundconf->{data});
2925
2926 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2927 my $sound = $soundconf->{compat}[$_]
2928 or next;
2929
2930 my $face = cf::face::find "sound/$sound->[1]";
2931 cf::sound::set $sound->[0] => $face;
2932 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2933 }
2934
2935 while (my ($k, $v) = each %{$soundconf->{event}}) {
2936 my $face = cf::face::find "sound/$v";
2937 cf::sound::set $k => $face;
2938 }
2939 }
2940 } 3251 }
3252
3253 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2941 3254
2942 1 3255 1
2943} 3256}
3257
3258cf::global->attach (on_resource_update => sub {
3259 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3260 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3261
3262 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3263 my $sound = $soundconf->{compat}[$_]
3264 or next;
3265
3266 my $face = cf::face::find "sound/$sound->[1]";
3267 cf::sound::set $sound->[0] => $face;
3268 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3269 }
3270
3271 while (my ($k, $v) = each %{$soundconf->{event}}) {
3272 my $face = cf::face::find "sound/$v";
3273 cf::sound::set $k => $face;
3274 }
3275 }
3276});
2944 3277
2945register_exticmd fx_want => sub { 3278register_exticmd fx_want => sub {
2946 my ($ns, $want) = @_; 3279 my ($ns, $want) = @_;
2947 3280
2948 while (my ($k, $v) = each %$want) { 3281 while (my ($k, $v) = each %$want) {
2949 $ns->fx_want ($k, $v); 3282 $ns->fx_want ($k, $v);
2950 } 3283 }
2951}; 3284};
2952 3285
3286sub load_resource_file($) {
3287 my $guard = lock_acquire "load_resource_file";
3288
3289 my $status = load_resource_file_ $_[0];
3290 get_slot 0.1, 100;
3291 cf::arch::commit_load;
3292
3293 $status
3294}
3295
2953sub reload_regions { 3296sub reload_regions {
3297 # HACK to clear player env face cache, we need some signal framework
3298 # for this (global event?)
3299 %ext::player_env::MUSIC_FACE_CACHE = ();
3300
2954 load_resource_file "$MAPDIR/regions" 3301 load_resource_file "$MAPDIR/regions"
2955 or die "unable to load regions file\n"; 3302 or die "unable to load regions file\n";
2956 3303
2957 for (cf::region::list) { 3304 for (cf::region::list) {
2958 $_->{match} = qr/$_->{match}/ 3305 $_->{match} = qr/$_->{match}/
2966} 3313}
2967 3314
2968sub reload_archetypes { 3315sub reload_archetypes {
2969 load_resource_file "$DATADIR/archetypes" 3316 load_resource_file "$DATADIR/archetypes"
2970 or die "unable to load archetypes\n"; 3317 or die "unable to load archetypes\n";
2971 #d# NEED to laod twice to resolve forward references
2972 # this really needs to be done in an extra post-pass
2973 # (which needs to be synchronous, so solve it differently)
2974 load_resource_file "$DATADIR/archetypes"
2975 or die "unable to load archetypes\n";
2976} 3318}
2977 3319
2978sub reload_treasures { 3320sub reload_treasures {
2979 load_resource_file "$DATADIR/treasures" 3321 load_resource_file "$DATADIR/treasures"
2980 or die "unable to load treasurelists\n"; 3322 or die "unable to load treasurelists\n";
2981} 3323}
2982 3324
2983sub reload_resources { 3325sub reload_resources {
2984 warn "reloading resource files...\n"; 3326 warn "reloading resource files...\n";
2985 3327
3328 reload_facedata;
3329 reload_archetypes;
2986 reload_regions; 3330 reload_regions;
2987 reload_facedata;
2988 #reload_archetypes;#d#
2989 reload_archetypes;
2990 reload_treasures; 3331 reload_treasures;
2991 3332
2992 warn "finished reloading resource files\n"; 3333 warn "finished reloading resource files\n";
2993} 3334}
2994 3335
2995sub init { 3336sub init {
3337 my $guard = freeze_mainloop;
3338
3339 evthread_start IO::AIO::poll_fileno;
3340
2996 reload_resources; 3341 reload_resources;
2997} 3342}
2998 3343
2999sub cfg_load { 3344sub reload_config {
3000 open my $fh, "<:utf8", "$CONFDIR/config" 3345 open my $fh, "<:utf8", "$CONFDIR/config"
3001 or return; 3346 or return;
3002 3347
3003 local $/; 3348 local $/;
3004 *CFG = YAML::Syck::Load <$fh>; 3349 *CFG = YAML::Load <$fh>;
3005 3350
3006 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3351 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3007 3352
3008 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3353 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3009 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3354 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3015 }; 3360 };
3016 warn $@ if $@; 3361 warn $@ if $@;
3017 } 3362 }
3018} 3363}
3019 3364
3365sub pidfile() {
3366 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3367 or die "$PIDFILE: $!";
3368 flock $fh, &Fcntl::LOCK_EX
3369 or die "$PIDFILE: flock: $!";
3370 $fh
3371}
3372
3373# make sure only one server instance is running at any one time
3374sub atomic {
3375 my $fh = pidfile;
3376
3377 my $pid = <$fh>;
3378 kill 9, $pid if $pid > 0;
3379
3380 seek $fh, 0, 0;
3381 print $fh $$;
3382}
3383
3020sub main { 3384sub main {
3385 atomic;
3386
3021 # we must not ever block the main coroutine 3387 # we must not ever block the main coroutine
3022 local $Coro::idle = sub { 3388 local $Coro::idle = sub {
3023 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3389 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3024 (async { 3390 (async {
3025 Event::one_event; 3391 $Coro::current->{desc} = "IDLE BUG HANDLER";
3392 EV::loop EV::LOOP_ONESHOT;
3026 })->prio (Coro::PRIO_MAX); 3393 })->prio (Coro::PRIO_MAX);
3027 }; 3394 };
3028 3395
3029 cfg_load; 3396 {
3397 my $guard = freeze_mainloop;
3398 reload_config;
3030 db_init; 3399 db_init;
3031 load_extensions; 3400 load_extensions;
3032 3401
3033 $TICK_WATCHER->start; 3402 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403 }
3404
3405 utime time, time, $RUNTIMEFILE;
3406
3407 # no (long-running) fork's whatsoever before this point(!)
3408 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3409
3034 Event::loop; 3410 EV::loop;
3035} 3411}
3036 3412
3037############################################################################# 3413#############################################################################
3038# initialisation and cleanup 3414# initialisation and cleanup
3039 3415
3040# install some emergency cleanup handlers 3416# install some emergency cleanup handlers
3041BEGIN { 3417BEGIN {
3418 our %SIGWATCHER = ();
3042 for my $signal (qw(INT HUP TERM)) { 3419 for my $signal (qw(INT HUP TERM)) {
3043 Event->signal ( 3420 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3044 reentrant => 0,
3045 data => WF_AUTOCANCEL,
3046 signal => $signal,
3047 prio => 0,
3048 cb => sub {
3049 cf::cleanup "SIG$signal"; 3421 cf::cleanup "SIG$signal";
3050 },
3051 ); 3422 };
3052 } 3423 }
3053} 3424}
3054 3425
3055sub write_runtime { 3426sub write_runtime_sync {
3056 my $runtime = "$LOCALDIR/runtime";
3057
3058 # first touch the runtime file to show we are still running: 3427 # first touch the runtime file to show we are still running:
3059 # the fsync below can take a very very long time. 3428 # the fsync below can take a very very long time.
3060 3429
3061 IO::AIO::aio_utime $runtime, undef, undef; 3430 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3062 3431
3063 my $guard = cf::lock_acquire "write_runtime"; 3432 my $guard = cf::lock_acquire "write_runtime";
3064 3433
3065 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3434 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3066 or return; 3435 or return;
3067 3436
3068 my $value = $cf::RUNTIME + 90 + 10; 3437 my $value = $cf::RUNTIME + 90 + 10;
3069 # 10 is the runtime save interval, for a monotonic clock 3438 # 10 is the runtime save interval, for a monotonic clock
3070 # 60 allows for the watchdog to kill the server. 3439 # 60 allows for the watchdog to kill the server.
3080 aio_utime $fh, undef, undef; 3449 aio_utime $fh, undef, undef;
3081 3450
3082 close $fh 3451 close $fh
3083 or return; 3452 or return;
3084 3453
3085 aio_rename "$runtime~", $runtime 3454 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3086 and return; 3455 and return;
3087 3456
3088 warn "runtime file written.\n"; 3457 warn "runtime file written.\n";
3089 3458
3090 1 3459 1
3460}
3461
3462our $uuid_lock;
3463our $uuid_skip;
3464
3465sub write_uuid_sync($) {
3466 $uuid_skip ||= $_[0];
3467
3468 return if $uuid_lock;
3469 local $uuid_lock = 1;
3470
3471 my $uuid = "$LOCALDIR/uuid";
3472
3473 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3474 or return;
3475
3476 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3477 $uuid_skip = 0;
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 close $fh
3487 or return;
3488
3489 aio_rename "$uuid~", $uuid
3490 and return;
3491
3492 warn "uuid file written ($value).\n";
3493
3494 1
3495
3496}
3497
3498sub write_uuid($$) {
3499 my ($skip, $sync) = @_;
3500
3501 $sync ? write_uuid_sync $skip
3502 : async { write_uuid_sync $skip };
3091} 3503}
3092 3504
3093sub emergency_save() { 3505sub emergency_save() {
3094 my $freeze_guard = cf::freeze_mainloop; 3506 my $freeze_guard = cf::freeze_mainloop;
3095 3507
3101 # and maps saved/destroyed asynchronously. 3513 # and maps saved/destroyed asynchronously.
3102 warn "begin emergency player save\n"; 3514 warn "begin emergency player save\n";
3103 for my $login (keys %cf::PLAYER) { 3515 for my $login (keys %cf::PLAYER) {
3104 my $pl = $cf::PLAYER{$login} or next; 3516 my $pl = $cf::PLAYER{$login} or next;
3105 $pl->valid or next; 3517 $pl->valid or next;
3518 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3106 $pl->save; 3519 $pl->save;
3107 } 3520 }
3108 warn "end emergency player save\n"; 3521 warn "end emergency player save\n";
3109 3522
3110 warn "begin emergency map save\n"; 3523 warn "begin emergency map save\n";
3116 warn "end emergency map save\n"; 3529 warn "end emergency map save\n";
3117 3530
3118 warn "begin emergency database checkpoint\n"; 3531 warn "begin emergency database checkpoint\n";
3119 BDB::db_env_txn_checkpoint $DB_ENV; 3532 BDB::db_env_txn_checkpoint $DB_ENV;
3120 warn "end emergency database checkpoint\n"; 3533 warn "end emergency database checkpoint\n";
3534
3535 warn "begin write uuid\n";
3536 write_uuid_sync 1;
3537 warn "end write uuid\n";
3121 }; 3538 };
3122 3539
3123 warn "leave emergency perl save\n"; 3540 warn "leave emergency perl save\n";
3124} 3541}
3125 3542
3126sub post_cleanup { 3543sub post_cleanup {
3127 my ($make_core) = @_; 3544 my ($make_core) = @_;
3128 3545
3129 warn Carp::longmess "post_cleanup backtrace" 3546 warn Carp::longmess "post_cleanup backtrace"
3130 if $make_core; 3547 if $make_core;
3548
3549 my $fh = pidfile;
3550 unlink $PIDFILE if <$fh> == $$;
3131} 3551}
3552
3553# a safer delete_package, copied from Symbol
3554sub clear_package($) {
3555 my $pkg = shift;
3556
3557 # expand to full symbol table name if needed
3558 unless ($pkg =~ /^main::.*::$/) {
3559 $pkg = "main$pkg" if $pkg =~ /^::/;
3560 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3561 $pkg .= '::' unless $pkg =~ /::$/;
3562 }
3563
3564 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3565 my $stem_symtab = *{$stem}{HASH};
3566
3567 defined $stem_symtab and exists $stem_symtab->{$leaf}
3568 or return;
3569
3570 # clear all symbols
3571 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3572 for my $name (keys %$leaf_symtab) {
3573 _gv_clear *{"$pkg$name"};
3574# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3575 }
3576 warn "cleared package #$pkg\n";#d#
3577}
3578
3579our $RELOAD; # how many times to reload
3132 3580
3133sub do_reload_perl() { 3581sub do_reload_perl() {
3134 # can/must only be called in main 3582 # can/must only be called in main
3135 if ($Coro::current != $Coro::main) { 3583 if ($Coro::current != $Coro::main) {
3136 warn "can only reload from main coroutine"; 3584 warn "can only reload from main coroutine";
3137 return; 3585 return;
3138 } 3586 }
3139 3587
3588 return if $RELOAD++;
3589
3590 while ($RELOAD) {
3140 warn "reloading..."; 3591 warn "reloading...";
3141 3592
3142 warn "entering sync_job"; 3593 warn "entering sync_job";
3143 3594
3144 cf::sync_job { 3595 cf::sync_job {
3145 cf::write_runtime; # external watchdog should not bark 3596 cf::write_runtime_sync; # external watchdog should not bark
3146 cf::emergency_save; 3597 cf::emergency_save;
3147 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
3148 3599
3149 warn "syncing database to disk"; 3600 warn "syncing database to disk";
3150 BDB::db_env_txn_checkpoint $DB_ENV; 3601 BDB::db_env_txn_checkpoint $DB_ENV;
3151 3602
3152 # if anything goes wrong in here, we should simply crash as we already saved 3603 # if anything goes wrong in here, we should simply crash as we already saved
3153 3604
3154 warn "cancelling all WF_AUTOCANCEL watchers";
3155 for (Event::all_watchers) {
3156 $_->cancel if $_->data & WF_AUTOCANCEL;
3157 }
3158
3159 warn "flushing outstanding aio requests"; 3605 warn "flushing outstanding aio requests";
3160 for (;;) {
3161 BDB::flush;
3162 IO::AIO::flush;
3163 Coro::cede;
3164 last unless IO::AIO::nreqs || BDB::nreqs; 3606 while (IO::AIO::nreqs || BDB::nreqs) {
3165 warn "iterate..."; 3607 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3166 }
3167
3168 ++$RELOAD;
3169
3170 warn "cancelling all extension coros";
3171 $_->cancel for values %EXT_CORO;
3172 %EXT_CORO = ();
3173
3174 warn "removing commands";
3175 %COMMAND = ();
3176
3177 warn "removing ext/exti commands";
3178 %EXTCMD = ();
3179 %EXTICMD = ();
3180
3181 warn "unloading/nuking all extensions";
3182 for my $pkg (@EXTS) {
3183 warn "... unloading $pkg";
3184
3185 if (my $cb = $pkg->can ("unload")) {
3186 eval {
3187 $cb->($pkg);
3188 1
3189 } or warn "$pkg unloaded, but with errors: $@";
3190 } 3608 }
3191 3609
3192 warn "... nuking $pkg"; 3610 warn "cancelling all extension coros";
3193 Symbol::delete_package $pkg; 3611 $_->cancel for values %EXT_CORO;
3194 } 3612 %EXT_CORO = ();
3195 3613
3196 warn "unloading all perl modules loaded from $LIBDIR"; 3614 warn "removing commands";
3197 while (my ($k, $v) = each %INC) { 3615 %COMMAND = ();
3198 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3199 3616
3617 warn "removing ext/exti commands";
3618 %EXTCMD = ();
3619 %EXTICMD = ();
3620
3621 warn "unloading/nuking all extensions";
3622 for my $pkg (@EXTS) {
3200 warn "... unloading $k"; 3623 warn "... unloading $pkg";
3201 delete $INC{$k};
3202 3624
3203 $k =~ s/\.pm$//;
3204 $k =~ s/\//::/g;
3205
3206 if (my $cb = $k->can ("unload_module")) { 3625 if (my $cb = $pkg->can ("unload")) {
3626 eval {
3207 $cb->(); 3627 $cb->($pkg);
3628 1
3629 } or warn "$pkg unloaded, but with errors: $@";
3630 }
3631
3632 warn "... clearing $pkg";
3633 clear_package $pkg;
3208 } 3634 }
3209 3635
3210 Symbol::delete_package $k; 3636 warn "unloading all perl modules loaded from $LIBDIR";
3637 while (my ($k, $v) = each %INC) {
3638 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639
3640 warn "... unloading $k";
3641 delete $INC{$k};
3642
3643 $k =~ s/\.pm$//;
3644 $k =~ s/\//::/g;
3645
3646 if (my $cb = $k->can ("unload_module")) {
3647 $cb->();
3648 }
3649
3650 clear_package $k;
3211 } 3651 }
3212 3652
3213 warn "getting rid of safe::, as good as possible"; 3653 warn "getting rid of safe::, as good as possible";
3214 Symbol::delete_package "safe::$_" 3654 clear_package "safe::$_"
3215 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3655 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3216 3656
3217 warn "unloading cf.pm \"a bit\""; 3657 warn "unloading cf.pm \"a bit\"";
3218 delete $INC{"cf.pm"}; 3658 delete $INC{"cf.pm"};
3219 delete $INC{"cf/pod.pm"}; 3659 delete $INC{"cf/pod.pm"};
3220 3660
3221 # don't, removes xs symbols, too, 3661 # don't, removes xs symbols, too,
3222 # and global variables created in xs 3662 # and global variables created in xs
3223 #Symbol::delete_package __PACKAGE__; 3663 #clear_package __PACKAGE__;
3224 3664
3225 warn "unload completed, starting to reload now"; 3665 warn "unload completed, starting to reload now";
3226 3666
3227 warn "reloading cf.pm"; 3667 warn "reloading cf.pm";
3228 require cf; 3668 require cf;
3229 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3669 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3230 3670
3231 warn "loading config and database again"; 3671 warn "loading config and database again";
3232 cf::cfg_load; 3672 cf::reload_config;
3233 3673
3234 warn "loading extensions"; 3674 warn "loading extensions";
3235 cf::load_extensions; 3675 cf::load_extensions;
3236 3676
3237 warn "reattaching attachments to objects/players"; 3677 warn "reattaching attachments to objects/players";
3238 _global_reattach; # objects, sockets 3678 _global_reattach; # objects, sockets
3239 warn "reattaching attachments to maps"; 3679 warn "reattaching attachments to maps";
3240 reattach $_ for values %MAP; 3680 reattach $_ for values %MAP;
3241 warn "reattaching attachments to players"; 3681 warn "reattaching attachments to players";
3242 reattach $_ for values %PLAYER; 3682 reattach $_ for values %PLAYER;
3243 3683
3244 warn "leaving sync_job"; 3684 warn "leaving sync_job";
3245 3685
3246 1 3686 1
3247 } or do { 3687 } or do {
3248 warn $@; 3688 warn $@;
3249 warn "error while reloading, exiting."; 3689 cf::cleanup "error while reloading, exiting.";
3250 exit 1;
3251 }; 3690 };
3252 3691
3253 warn "reloaded"; 3692 warn "reloaded";
3693 --$RELOAD;
3694 }
3254}; 3695};
3255 3696
3256our $RELOAD_WATCHER; # used only during reload 3697our $RELOAD_WATCHER; # used only during reload
3257 3698
3258sub reload_perl() { 3699sub reload_perl() {
3259 # doing reload synchronously and two reloads happen back-to-back, 3700 # doing reload synchronously and two reloads happen back-to-back,
3260 # coro crashes during coro_state_free->destroy here. 3701 # coro crashes during coro_state_free->destroy here.
3261 3702
3262 $RELOAD_WATCHER ||= Event->timer ( 3703 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3263 reentrant => 0,
3264 after => 0,
3265 data => WF_AUTOCANCEL,
3266 cb => sub {
3267 do_reload_perl; 3704 do_reload_perl;
3268 undef $RELOAD_WATCHER; 3705 undef $RELOAD_WATCHER;
3269 },
3270 ); 3706 };
3271} 3707}
3272 3708
3273register_command "reload" => sub { 3709register_command "reload" => sub {
3274 my ($who, $arg) = @_; 3710 my ($who, $arg) = @_;
3275 3711
3276 if ($who->flag (FLAG_WIZ)) { 3712 if ($who->flag (FLAG_WIZ)) {
3277 $who->message ("reloading server."); 3713 $who->message ("reloading server.");
3714 async {
3715 $Coro::current->{desc} = "perl_reload";
3278 async { reload_perl }; 3716 reload_perl;
3717 };
3279 } 3718 }
3280}; 3719};
3281 3720
3282unshift @INC, $LIBDIR; 3721unshift @INC, $LIBDIR;
3283 3722
3285 3724
3286our @WAIT_FOR_TICK; 3725our @WAIT_FOR_TICK;
3287our @WAIT_FOR_TICK_BEGIN; 3726our @WAIT_FOR_TICK_BEGIN;
3288 3727
3289sub wait_for_tick { 3728sub wait_for_tick {
3290 return unless $TICK_WATCHER->is_active;
3291 return if $Coro::current == $Coro::main; 3729 return if tick_inhibit || $Coro::current == $Coro::main;
3292 3730
3293 my $signal = new Coro::Signal; 3731 my $signal = new Coro::Signal;
3294 push @WAIT_FOR_TICK, $signal; 3732 push @WAIT_FOR_TICK, $signal;
3295 $signal->wait; 3733 $signal->wait;
3296} 3734}
3297 3735
3298sub wait_for_tick_begin { 3736sub wait_for_tick_begin {
3299 return unless $TICK_WATCHER->is_active;
3300 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
3301 3738
3302 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
3303 push @WAIT_FOR_TICK_BEGIN, $signal; 3740 push @WAIT_FOR_TICK_BEGIN, $signal;
3304 $signal->wait; 3741 $signal->wait;
3305} 3742}
3306 3743
3307 my $min = 1e6;#d# 3744sub tick {
3308 my $avg = 10;
3309$TICK_WATCHER = Event->timer (
3310 reentrant => 0,
3311 parked => 1,
3312 prio => 0,
3313 at => $NEXT_TICK || $TICK,
3314 data => WF_AUTOCANCEL,
3315 cb => sub {
3316 if ($Coro::current != $Coro::main) { 3745 if ($Coro::current != $Coro::main) {
3317 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3746 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3318 unless ++$bug_warning > 10; 3747 unless ++$bug_warning > 10;
3319 return; 3748 return;
3320 } 3749 }
3321 3750
3322 $NOW = $tick_start = Event::time;
3323
3324 cf::server_tick; # one server iteration 3751 cf::server_tick; # one server iteration
3325 3752
3326 0 && sync_job {#d# 3753 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3327 for(1..10) { 3754 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3328 my $t = Event::time; 3755 Coro::async_pool {
3329 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3756 $Coro::current->{desc} = "runtime saver";
3330 or die; 3757 write_runtime_sync
3331 3758 or warn "ERROR: unable to write runtime file: $!";
3332 $map->width (50);
3333 $map->height (50);
3334 $map->alloc;
3335 $map->_load_objects ("/tmp/x.map", 1);
3336 my $t = Event::time - $t;
3337
3338 #next unless $t < 0.0013;#d#
3339 if ($t < $min) {
3340 $min = $t;
3341 }
3342 $avg = $avg * 0.99 + $t * 0.01;
3343 }
3344 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3345 exit 0;
3346 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3347 }; 3759 };
3760 }
3348 3761
3349 $RUNTIME += $TICK;
3350 $NEXT_TICK += $TICK;
3351
3352 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3353 $NEXT_RUNTIME_WRITE = $NOW + 10;
3354 Coro::async_pool {
3355 write_runtime
3356 or warn "ERROR: unable to write runtime file: $!";
3357 };
3358 }
3359
3360# my $AFTER = Event::time;
3361# warn $AFTER - $NOW;#d#
3362
3363 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3762 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3364 $sig->send; 3763 $sig->send;
3365 } 3764 }
3366 while (my $sig = shift @WAIT_FOR_TICK) { 3765 while (my $sig = shift @WAIT_FOR_TICK) {
3367 $sig->send; 3766 $sig->send;
3368 } 3767 }
3369 3768
3370 $NOW = Event::time; 3769 $LOAD = ($NOW - $TICK_START) / $TICK;
3371
3372 # if we are delayed by four ticks or more, skip them all
3373 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3374
3375 $TICK_WATCHER->at ($NEXT_TICK);
3376 $TICK_WATCHER->start;
3377
3378 $LOAD = ($NOW - $tick_start) / $TICK;
3379 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3770 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3380 3771
3381 _post_tick; 3772 if (0) {
3382 3773 if ($NEXT_TICK) {
3383 3774 my $jitter = $TICK_START - $NEXT_TICK;
3775 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3776 warn "jitter $JITTER\n";#d#
3777 }
3384 }, 3778 }
3385); 3779}
3386 3780
3387{ 3781{
3388 BDB::max_poll_time $TICK * 0.1; 3782 # configure BDB
3389 $BDB_POLL_WATCHER = Event->io ( 3783
3390 reentrant => 0,
3391 fd => BDB::poll_fileno,
3392 poll => 'r',
3393 prio => 0,
3394 data => WF_AUTOCANCEL,
3395 cb => \&BDB::poll_cb,
3396 );
3397 BDB::min_parallel 8; 3784 BDB::min_parallel 8;
3398 3785 BDB::max_poll_reqs $TICK * 0.1;
3399 BDB::set_sync_prepare { 3786 $AnyEvent::BDB::WATCHER->priority (1);
3400 my $status;
3401 my $current = $Coro::current;
3402 (
3403 sub {
3404 $status = $!;
3405 $current->ready; undef $current;
3406 },
3407 sub {
3408 Coro::schedule while defined $current;
3409 $! = $status;
3410 },
3411 )
3412 };
3413 3787
3414 unless ($DB_ENV) { 3788 unless ($DB_ENV) {
3415 $DB_ENV = BDB::db_env_create; 3789 $DB_ENV = BDB::db_env_create;
3790 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3791 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3792 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3793 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3794 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3416 3795
3417 cf::sync_job { 3796 cf::sync_job {
3418 eval { 3797 eval {
3419 BDB::db_env_open 3798 BDB::db_env_open
3420 $DB_ENV, 3799 $DB_ENV,
3422 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3801 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3423 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3802 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3424 0666; 3803 0666;
3425 3804
3426 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3805 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3427
3428 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3429 $DB_ENV->set_lk_detect;
3430 }; 3806 };
3431 3807
3432 cf::cleanup "db_env_open(db): $@" if $@; 3808 cf::cleanup "db_env_open(db): $@" if $@;
3433 }; 3809 };
3434 } 3810 }
3811
3812 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3813 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3814 };
3815 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3816 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3817 };
3818 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3819 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3820 };
3435} 3821}
3436 3822
3437{ 3823{
3824 # configure IO::AIO
3825
3438 IO::AIO::min_parallel 8; 3826 IO::AIO::min_parallel 8;
3439
3440 undef $Coro::AIO::WATCHER;
3441 IO::AIO::max_poll_time $TICK * 0.1; 3827 IO::AIO::max_poll_time $TICK * 0.1;
3442 $AIO_POLL_WATCHER = Event->io ( 3828 undef $AnyEvent::AIO::WATCHER;
3443 reentrant => 0,
3444 data => WF_AUTOCANCEL,
3445 fd => IO::AIO::poll_fileno,
3446 poll => 'r',
3447 prio => 6,
3448 cb => \&IO::AIO::poll_cb,
3449 );
3450} 3829}
3451 3830
3452my $_log_backtrace; 3831my $_log_backtrace;
3453 3832
3454sub _log_backtrace { 3833sub _log_backtrace {
3457 $msg =~ s/\n//; 3836 $msg =~ s/\n//;
3458 3837
3459 # limit the # of concurrent backtraces 3838 # limit the # of concurrent backtraces
3460 if ($_log_backtrace < 2) { 3839 if ($_log_backtrace < 2) {
3461 ++$_log_backtrace; 3840 ++$_log_backtrace;
3841 my $perl_bt = Carp::longmess $msg;
3462 async { 3842 async {
3843 $Coro::current->{desc} = "abt $msg";
3844
3463 my @bt = fork_call { 3845 my @bt = fork_call {
3464 @addr = map { sprintf "%x", $_ } @addr; 3846 @addr = map { sprintf "%x", $_ } @addr;
3465 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3847 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3466 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3848 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3467 or die "addr2line: $!"; 3849 or die "addr2line: $!";
3475 } 3857 }
3476 3858
3477 @funcs 3859 @funcs
3478 }; 3860 };
3479 3861
3480 LOG llevInfo, "[ABT] $msg\n"; 3862 LOG llevInfo, "[ABT] $perl_bt\n";
3863 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3481 LOG llevInfo, "[ABT] $_\n" for @bt; 3864 LOG llevInfo, "[ABT] $_\n" for @bt;
3482 --$_log_backtrace; 3865 --$_log_backtrace;
3483 }; 3866 };
3484 } else { 3867 } else {
3485 LOG llevInfo, "[ABT] $msg\n"; 3868 LOG llevInfo, "[ABT] $msg\n";

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines