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 1.369 by root, Thu Sep 13 08:35:25 2007 UTC vs.
Revision 1.469 by root, Mon Mar 2 22:25:19 2009 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 qw(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
37use Guard ();
15use Coro 3.64 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
24use Coro::Util (); 51use Coro::Util ();
25 52
26use JSON::XS (); 53use JSON::XS 2.01 ();
27use BDB (); 54use BDB ();
28use Data::Dumper; 55use Data::Dumper;
29use Digest::MD5; 56use Digest::MD5;
30use Fcntl; 57use Fcntl;
31use YAML::Syck (); 58use YAML ();
32use IO::AIO 2.32 (); 59use IO::AIO ();
33use Time::HiRes; 60use Time::HiRes;
34use Compress::LZF; 61use Compress::LZF;
35use Digest::MD5 (); 62use Digest::MD5 ();
63
64AnyEvent::detect;
36 65
37# configure various modules to our taste 66# configure various modules to our taste
38# 67#
39$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 76
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 78
52our %COMMAND = (); 79our %COMMAND = ();
53our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
56our %EXTCMD = (); 83our %EXTCMD = ();
57our %EXTICMD = (); 84our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
60 87
61our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
62our @EVENT; 89our @EVENT;
63 90
64our $CONFDIR = confdir; 91our $CONFDIR = confdir;
65our $DATADIR = datadir; 92our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
75 106
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $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 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 109our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default on
83 111
84our $BDB_POLL_WATCHER; 112our $BDB_DEADLOCK_WATCHER;
85our $BDB_CHECKPOINT_WATCHER; 113our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER; 114our $BDB_TRICKLE_WATCHER;
87our $DB_ENV; 115our $DB_ENV;
88 116
117our @EXTRA_MODULES = qw(pod mapscript);
118
89our %CFG; 119our %CFG;
90 120
91our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
92our $RUNTIME; 122our $RUNTIME;
123our $NOW;
93 124
94our (%PLAYER, %PLAYER_LOADING); # all users 125our (%PLAYER, %PLAYER_LOADING); # all users
95our (%MAP, %MAP_LOADING ); # all maps 126our (%MAP, %MAP_LOADING ); # all maps
96our $LINK_MAP; # the special {link} map, which is always available 127our $LINK_MAP; # the special {link} map, which is always available
97 128
98# used to convert map paths into valid unix filenames by replacing / by ∕ 129# used to convert map paths into valid unix filenames by replacing / by ∕
99our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 130our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100 131
101our $LOAD; # a number between 0 (idle) and 1 (too many objects) 132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102our $LOADAVG; # same thing, but with alpha-smoothing 133our $LOADAVG; # same thing, but with alpha-smoothing
134our $JITTER; # average jitter
103our $tick_start; # for load detecting purposes 135our $TICK_START; # for load detecting purposes
136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
104 140
105binmode STDOUT; 141binmode STDOUT;
106binmode STDERR; 142binmode STDERR;
107 143
108# read virtual server time, if available 144# read virtual server time, if available
109unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
110 open my $fh, "<", "$LOCALDIR/runtime" 146 open my $fh, "<", $RUNTIMEFILE
111 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
112 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
113} 149}
150
151eval "sub TICK() { $TICK } 1" or die;
114 152
115mkdir $_ 153mkdir $_
116 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117 155
118our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
161 199
162The raw value load value from the last tick. 200The raw value load value from the last tick.
163 201
164=item %cf::CFG 202=item %cf::CFG
165 203
166Configuration for the server, loaded from C</etc/crossfire/config>, or 204Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167from wherever your confdir points to. 205from wherever your confdir points to.
168 206
169=item cf::wait_for_tick, cf::wait_for_tick_begin 207=item cf::wait_for_tick, cf::wait_for_tick_begin
170 208
171These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 209These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
192 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 230 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
193 231
194 LOG llevError, $msg; 232 LOG llevError, $msg;
195 }; 233 };
196} 234}
235
236$Coro::State::DIEHOOK = sub {
237 return unless $^S eq 0; # "eq", not "=="
238
239 if ($Coro::current == $Coro::main) {#d#
240 warn "DIEHOOK called in main context, Coro bug?\n";#d#
241 return;#d#
242 }#d#
243
244 # kill coroutine otherwise
245 warn Carp::longmess $_[0];
246 Coro::terminate
247};
248
249$SIG{__DIE__} = sub { }; #d#?
197 250
198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 251@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 252@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 253@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 254@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
208for my $pkg (qw( 261for my $pkg (qw(
209 cf::global cf::attachable 262 cf::global cf::attachable
210 cf::object cf::object::player 263 cf::object cf::object::player
211 cf::client cf::player 264 cf::client cf::player
212 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
213 cf::map cf::party cf::region 267 cf::party cf::region
214)) { 268)) {
215 no strict 'refs';
216 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217} 270}
218 271
219$Event::DIED = sub { 272$EV::DIED = sub {
220 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
221}; 274};
222 275
223############################################################################# 276#############################################################################
224 277
247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 300 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248 $d 301 $d
249 } || "[unable to dump $_[0]: '$@']"; 302 } || "[unable to dump $_[0]: '$@']";
250} 303}
251 304
252=item $ref = cf::from_json $json 305=item $ref = cf::decode_json $json
253 306
254Converts a JSON string into the corresponding perl data structure. 307Converts a JSON string into the corresponding perl data structure.
255 308
256=item $json = cf::to_json $ref 309=item $json = cf::encode_json $ref
257 310
258Converts a perl data structure into its JSON representation. 311Converts a perl data structure into its JSON representation.
259 312
260=cut 313=cut
261 314
262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263 316
264sub to_json ($) { $json_coder->encode ($_[0]) } 317sub encode_json($) { $json_coder->encode ($_[0]) }
265sub from_json ($) { $json_coder->decode ($_[0]) } 318sub decode_json($) { $json_coder->decode ($_[0]) }
319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
332}
266 333
267=item cf::lock_wait $string 334=item cf::lock_wait $string
268 335
269Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
270 337
271=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
272 339
273Wait until the given lock is available and then acquires it and returns 340Wait until the given lock is available and then acquires it and returns
274a Coro::guard object. If the guard object gets destroyed (goes out of scope, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
276returned. 343returned.
277 344
278Locks are *not* recursive, locking from the same coro twice results in a 345Locks are *not* recursive, locking from the same coro twice results in a
279deadlocked coro. 346deadlocked coro.
285 352
286Return true if the lock is currently active, i.e. somebody has locked it. 353Return true if the lock is currently active, i.e. somebody has locked it.
287 354
288=cut 355=cut
289 356
290our %LOCK; 357our $LOCKS = new Coro::SemaphoreSet;
291our %LOCKER;#d#
292 358
293sub lock_wait($) { 359sub lock_wait($) {
294 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
295
296 if ($LOCKER{$key} == $Coro::current) {#d#
297 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298 return;#d#
299 }#d#
300
301 # wait for lock, if any
302 while ($LOCK{$key}) {
303 push @{ $LOCK{$key} }, $Coro::current;
304 Coro::schedule;
305 }
306} 361}
307 362
308sub lock_acquire($) { 363sub lock_acquire($) {
309 my ($key) = @_; 364 $LOCKS->guard ($_[0])
310
311 # wait, to be sure we are not locked
312 lock_wait $key;
313
314 $LOCK{$key} = [];
315 $LOCKER{$key} = $Coro::current;#d#
316
317 Coro::guard {
318 delete $LOCKER{$key};#d#
319 # wake up all waiters, to be on the safe side
320 $_->ready for @{ delete $LOCK{$key} };
321 }
322} 365}
323 366
324sub lock_active($) { 367sub lock_active($) {
325 my ($key) = @_; 368 $LOCKS->count ($_[0]) < 1
326
327 ! ! $LOCK{$key}
328} 369}
329 370
330sub freeze_mainloop { 371sub freeze_mainloop {
331 return unless $TICK_WATCHER->is_active; 372 tick_inhibit_inc;
332 373
333 my $guard = Coro::guard { 374 &Guard::guard (\&tick_inhibit_dec);
334 $TICK_WATCHER->start; 375}
335 }; 376
336 $TICK_WATCHER->stop; 377=item cf::periodic $interval, $cb
337 $guard 378
379Like EV::periodic, but randomly selects a starting point so that the actions
380get spread over timer.
381
382=cut
383
384sub periodic($$) {
385 my ($interval, $cb) = @_;
386
387 my $start = rand List::Util::min 180, $interval;
388
389 EV::periodic $start, $interval, 0, $cb
338} 390}
339 391
340=item cf::get_slot $time[, $priority[, $name]] 392=item cf::get_slot $time[, $priority[, $name]]
341 393
342Allocate $time seconds of blocking CPU time at priority C<$priority>: 394Allocate $time seconds of blocking CPU time at priority C<$priority>:
353our @SLOT_QUEUE; 405our @SLOT_QUEUE;
354our $SLOT_QUEUE; 406our $SLOT_QUEUE;
355 407
356$SLOT_QUEUE->cancel if $SLOT_QUEUE; 408$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357$SLOT_QUEUE = Coro::async { 409$SLOT_QUEUE = Coro::async {
410 $Coro::current->desc ("timeslot manager");
411
358 my $signal = new Coro::Signal; 412 my $signal = new Coro::Signal;
359 413
360 while () { 414 while () {
361 next_job: 415 next_job:
362 my $avail = cf::till_tick; 416 my $avail = cf::till_tick;
370 } 424 }
371 } 425 }
372 } 426 }
373 427
374 if (@SLOT_QUEUE) { 428 if (@SLOT_QUEUE) {
375 # we do not use wait_For_tick() as it returns immediately when tick is inactive 429 # we do not use wait_for_tick() as it returns immediately when tick is inactive
376 push @cf::WAIT_FOR_TICK, $signal; 430 push @cf::WAIT_FOR_TICK, $signal;
377 $signal->wait; 431 $signal->wait;
378 } else { 432 } else {
379 Coro::schedule; 433 Coro::schedule;
380 } 434 }
381 } 435 }
382}; 436};
383 437
384sub get_slot($;$$) { 438sub get_slot($;$$) {
439 return if tick_inhibit || $Coro::current == $Coro::main;
440
385 my ($time, $pri, $name) = @_; 441 my ($time, $pri, $name) = @_;
386 442
387 $time = $TICK * .6 if $time > $TICK * .6; 443 $time = $TICK * .6 if $time > $TICK * .6;
388 my $sig = new Coro::Signal; 444 my $sig = new Coro::Signal;
389 445
403 459
404BEGIN { *async = \&Coro::async_pool } 460BEGIN { *async = \&Coro::async_pool }
405 461
406=item cf::sync_job { BLOCK } 462=item cf::sync_job { BLOCK }
407 463
408The design of Crossfire TRT requires that the main coroutine ($Coro::main) 464The design of Deliantra requires that the main coroutine ($Coro::main)
409is always able to handle events or runnable, as Crossfire TRT is only 465is always able to handle events or runnable, as Deliantra is only
410partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 466partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411acceptable. 467acceptable.
412 468
413If it must be done, put the blocking parts into C<sync_job>. This will run 469If it must be done, put the blocking parts into C<sync_job>. This will run
414the given BLOCK in another coroutine while waiting for the result. The 470the given BLOCK in another coroutine while waiting for the result. The
419 475
420sub sync_job(&) { 476sub sync_job(&) {
421 my ($job) = @_; 477 my ($job) = @_;
422 478
423 if ($Coro::current == $Coro::main) { 479 if ($Coro::current == $Coro::main) {
424 my $time = Event::time; 480 my $time = EV::time;
425 481
426 # this is the main coro, too bad, we have to block 482 # this is the main coro, too bad, we have to block
427 # till the operation succeeds, freezing the server :/ 483 # till the operation succeeds, freezing the server :/
428 484
429 # TODO: use suspend/resume instead 485 LOG llevError, Carp::longmess "sync job";#d#
430 # (but this is cancel-safe) 486
431 my $freeze_guard = freeze_mainloop; 487 my $freeze_guard = freeze_mainloop;
432 488
433 my $busy = 1; 489 my $busy = 1;
434 my @res; 490 my @res;
435 491
436 (async { 492 (async {
493 $Coro::current->desc ("sync job coro");
437 @res = eval { $job->() }; 494 @res = eval { $job->() };
438 warn $@ if $@; 495 warn $@ if $@;
439 undef $busy; 496 undef $busy;
440 })->prio (Coro::PRIO_MAX); 497 })->prio (Coro::PRIO_MAX);
441 498
442 while ($busy) { 499 while ($busy) {
443 Coro::cede or Event::one_event; 500 if (Coro::nready) {
501 Coro::cede_notself;
502 } else {
503 EV::loop EV::LOOP_ONESHOT;
444 } 504 }
505 }
445 506
446 $time = Event::time - $time; 507 my $time = EV::time - $time;
447 508
448 LOG llevError | logBacktrace, Carp::longmess "long sync job"
449 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451 $tick_start += $time; # do not account sync jobs to server load 509 $TICK_START += $time; # do not account sync jobs to server load
452 510
453 wantarray ? @res : $res[0] 511 wantarray ? @res : $res[0]
454 } else { 512 } else {
455 # we are in another coroutine, how wonderful, everything just works 513 # we are in another coroutine, how wonderful, everything just works
456 514
481=item fork_call { }, $args 539=item fork_call { }, $args
482 540
483Executes the given code block with the given arguments in a seperate 541Executes the given code block with the given arguments in a seperate
484process, returning the results. Everything must be serialisable with 542process, returning the results. Everything must be serialisable with
485Coro::Storable. May, of course, block. Note that the executed sub may 543Coro::Storable. May, of course, block. Note that the executed sub may
486never block itself or use any form of Event handling. 544never block itself or use any form of event handling.
487 545
488=cut 546=cut
489 547
490sub fork_call(&@) { 548sub fork_call(&@) {
491 my ($cb, @args) = @_; 549 my ($cb, @args) = @_;
498 reset_signals; 556 reset_signals;
499 &$cb 557 &$cb
500 }, @args; 558 }, @args;
501 559
502 wantarray ? @res : $res[-1] 560 wantarray ? @res : $res[-1]
561}
562
563=item $coin = coin_from_name $name
564
565=cut
566
567our %coin_alias = (
568 "silver" => "silvercoin",
569 "silvercoin" => "silvercoin",
570 "silvercoins" => "silvercoin",
571 "gold" => "goldcoin",
572 "goldcoin" => "goldcoin",
573 "goldcoins" => "goldcoin",
574 "platinum" => "platinacoin",
575 "platinumcoin" => "platinacoin",
576 "platinumcoins" => "platinacoin",
577 "platina" => "platinacoin",
578 "platinacoin" => "platinacoin",
579 "platinacoins" => "platinacoin",
580 "royalty" => "royalty",
581 "royalties" => "royalty",
582);
583
584sub coin_from_name($) {
585 $coin_alias{$_[0]}
586 ? cf::arch::find $coin_alias{$_[0]}
587 : undef
503} 588}
504 589
505=item $value = cf::db_get $family => $key 590=item $value = cf::db_get $family => $key
506 591
507Returns a single value from the environment database. 592Returns a single value from the environment database.
646 731
647############################################################################# 732#############################################################################
648 733
649=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
650 735
651Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
652attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
653to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
654 739
655In the following description, CLASS can be any of C<global>, C<object> 740In the following description, CLASS can be any of C<global>, C<object>
656C<player>, C<client> or C<map> (i.e. the attachable objects in 741C<player>, C<client> or C<map> (i.e. the attachable objects in
657Crossfire TRT). 742Deliantra).
658 743
659=over 4 744=over 4
660 745
661=item $attachable->attach ($attachment, key => $value...) 746=item $attachable->attach ($attachment, key => $value...)
662 747
706=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
707 792
708Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
709given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
710 795
711Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
712that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
713 798
714These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
715 800
716=over 4 801=over 4
944 } 1029 }
945 1030
946 0 1031 0
947} 1032}
948 1033
949=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1034=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950 1035
951=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952 1037
953Generate an object-specific event with the given arguments. 1038Generate an object-specific event with the given arguments.
954 1039
960 1045
961=cut 1046=cut
962 1047
963############################################################################# 1048#############################################################################
964# object support 1049# object support
965#
966 1050
1051sub _object_equal($$);
1052sub _object_equal($$) {
1053 my ($a, $b) = @_;
1054
1055 return 0 unless (ref $a) eq (ref $b);
1056
1057 if ("HASH" eq ref $a) {
1058 my @ka = keys %$a;
1059 my @kb = keys %$b;
1060
1061 return 0 if @ka != @kb;
1062
1063 for (0 .. $#ka) {
1064 return 0 unless $ka[$_] eq $kb[$_];
1065 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1066 }
1067
1068 } elsif ("ARRAY" eq ref $a) {
1069
1070 return 0 if @$a != @$b;
1071
1072 for (0 .. $#$a) {
1073 return 0 unless _object_equal $a->[$_], $b->[$_];
1074 }
1075
1076 } elsif ($a ne $b) {
1077 return 0;
1078 }
1079
1080 1
1081}
1082
1083our $SLOW_MERGES;#d#
967sub _can_merge { 1084sub _can_merge {
968 my ($ob1, $ob2) = @_; 1085 my ($ob1, $ob2) = @_;
969 1086
970 local $Storable::canonical = 1; 1087 ++$SLOW_MERGES;#d#
971 my $fob1 = Storable::freeze $ob1;
972 my $fob2 = Storable::freeze $ob2;
973 1088
974 $fob1 eq $fob2 1089 # we do the slow way here
1090 return _object_equal $ob1, $ob2
975} 1091}
976 1092
977sub reattach { 1093sub reattach {
978 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
979 my ($obj) = @_; 1095 my ($obj) = @_;
980 1096
1097 # no longer needed after getting rid of delete_package?
981 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1098 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
982 1099
983 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
984 1101
985 @$registry = (); 1102 @$registry = ();
986 1103
1001cf::attachable->attach ( 1118cf::attachable->attach (
1002 prio => -1000000, 1119 prio => -1000000,
1003 on_instantiate => sub { 1120 on_instantiate => sub {
1004 my ($obj, $data) = @_; 1121 my ($obj, $data) = @_;
1005 1122
1006 $data = from_json $data; 1123 $data = decode_json $data;
1007 1124
1008 for (@$data) { 1125 for (@$data) {
1009 my ($name, $args) = @$_; 1126 my ($name, $args) = @$_;
1010 1127
1011 $obj->attach ($name, %{$args || {} }); 1128 $obj->attach ($name, %{$args || {} });
1024 }, 1141 },
1025); 1142);
1026 1143
1027sub object_freezer_save { 1144sub object_freezer_save {
1028 my ($filename, $rdata, $objs) = @_; 1145 my ($filename, $rdata, $objs) = @_;
1029
1030 my $guard = cf::lock_acquire "io";
1031 1146
1032 sync_job { 1147 sync_job {
1033 if (length $$rdata) { 1148 if (length $$rdata) {
1034 utf8::decode (my $decname = $filename); 1149 utf8::decode (my $decname = $filename);
1035 warn sprintf "saving %s (%d,%d)\n", 1150 warn sprintf "saving %s (%d,%d)\n",
1036 $decname, length $$rdata, scalar @$objs; 1151 $decname, length $$rdata, scalar @$objs;
1037 1152
1038 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
1040 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1155 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
1042 close $fh; 1157 aio_close $fh;
1043 1158
1044 if (@$objs) { 1159 if (@$objs) {
1045 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1160 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1046 chmod SAVE_MODE, $fh; 1161 aio_chmod $fh, SAVE_MODE;
1047 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1162 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048 aio_write $fh, 0, (length $data), $data, 0; 1163 aio_write $fh, 0, (length $data), $data, 0;
1049 aio_fsync $fh if $cf::USE_FSYNC; 1164 aio_fsync $fh if $cf::USE_FSYNC;
1050 close $fh; 1165 aio_close $fh;
1051 aio_rename "$filename.pst~", "$filename.pst"; 1166 aio_rename "$filename.pst~", "$filename.pst";
1052 } 1167 }
1053 } else { 1168 } else {
1054 aio_unlink "$filename.pst"; 1169 aio_unlink "$filename.pst";
1055 } 1170 }
1056 1171
1057 aio_rename "$filename~", $filename; 1172 aio_rename "$filename~", $filename;
1173
1174 $filename =~ s%/[^/]+$%%;
1175 aio_pathsync $filename if $cf::USE_FSYNC;
1058 } else { 1176 } else {
1059 warn "FATAL: $filename~: $!\n"; 1177 warn "unable to save objects: $filename~: $!\n";
1060 } 1178 }
1061 } else { 1179 } else {
1062 aio_unlink $filename; 1180 aio_unlink $filename;
1063 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
1064 } 1182 }
1065 }; 1183 };
1066
1067 undef $guard;
1068} 1184}
1069 1185
1070sub object_freezer_as_string { 1186sub object_freezer_as_string {
1071 my ($rdata, $objs) = @_; 1187 my ($rdata, $objs) = @_;
1072 1188
1077 1193
1078sub object_thawer_load { 1194sub object_thawer_load {
1079 my ($filename) = @_; 1195 my ($filename) = @_;
1080 1196
1081 my ($data, $av); 1197 my ($data, $av);
1082
1083 my $guard = cf::lock_acquire "io";
1084 1198
1085 (aio_load $filename, $data) >= 0 1199 (aio_load $filename, $data) >= 0
1086 or return; 1200 or return;
1087 1201
1088 unless (aio_stat "$filename.pst") { 1202 unless (aio_stat "$filename.pst") {
1089 (aio_load "$filename.pst", $av) >= 0 1203 (aio_load "$filename.pst", $av) >= 0
1090 or return; 1204 or return;
1091 1205
1092 undef $guard;
1093 $av = eval { (Storable::thaw $av)->{objs} }; 1206 my $st = eval { Coro::Storable::thaw $av };
1207 $av = $st->{objs};
1094 } 1208 }
1095 1209
1096 utf8::decode (my $decname = $filename); 1210 utf8::decode (my $decname = $filename);
1097 warn sprintf "loading %s (%d,%d)\n", 1211 warn sprintf "loading %s (%d,%d)\n",
1098 $decname, length $data, scalar @{$av || []}; 1212 $decname, length $data, scalar @{$av || []};
1159 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
1160 1274
1161 $EXTICMD{$name} = $cb; 1275 $EXTICMD{$name} = $cb;
1162} 1276}
1163 1277
1278use File::Glob ();
1279
1164cf::player->attach ( 1280cf::player->attach (
1165 on_command => sub { 1281 on_command => sub {
1166 my ($pl, $name, $params) = @_; 1282 my ($pl, $name, $params) = @_;
1167 1283
1168 my $cb = $COMMAND{$name} 1284 my $cb = $COMMAND{$name}
1200 1316
1201 cf::override; 1317 cf::override;
1202 }, 1318 },
1203); 1319);
1204 1320
1321# "readahead" all extensions
1322sub cache_extensions {
1323 my $grp = IO::AIO::aio_group;
1324
1325 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1326 for (grep /\.ext$/, @{$_[0]}) {
1327 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1328 }
1329 };
1330
1331 $grp
1332}
1333
1205sub load_extensions { 1334sub load_extensions {
1206 cf::sync_job { 1335 cf::sync_job {
1207 my %todo; 1336 my %todo;
1208 1337
1209 for my $path (<$LIBDIR/*.ext>) { 1338 for my $path (<$LIBDIR/*.ext>) {
1228 1357
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1358 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1359 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1360
1232 $ext{source} = 1361 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1362 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234 . "#line 1 \"$path\"\n{\n" 1363 . "#line 1 \"$path\"\n{\n"
1235 . $source 1364 . $source
1236 . "\n};\n1"; 1365 . "\n};\n1";
1237 1366
1238 $todo{$base} = \%ext; 1367 $todo{$base} = \%ext;
1254 my $msg = $@ ? "$v->{path}: $@\n" 1383 my $msg = $@ ? "$v->{path}: $@\n"
1255 : "$v->{base}: extension inactive.\n"; 1384 : "$v->{base}: extension inactive.\n";
1256 1385
1257 if (exists $v->{meta}{mandatory}) { 1386 if (exists $v->{meta}{mandatory}) {
1258 warn $msg; 1387 warn $msg;
1259 warn "mandatory extension failed to load, exiting.\n"; 1388 cf::cleanup "mandatory extension failed to load, exiting.";
1260 exit 1;
1261 } 1389 }
1262 1390
1263 warn $msg; 1391 warn $msg;
1264 } 1392 }
1265 1393
1279 1407
1280=back 1408=back
1281 1409
1282=head2 CORE EXTENSIONS 1410=head2 CORE EXTENSIONS
1283 1411
1284Functions and methods that extend core crossfire objects. 1412Functions and methods that extend core deliantra objects.
1285 1413
1286=cut 1414=cut
1287 1415
1288package cf::player; 1416package cf::player;
1289 1417
1332 1460
1333sub exists($) { 1461sub exists($) {
1334 my ($login) = @_; 1462 my ($login) = @_;
1335 1463
1336 $cf::PLAYER{$login} 1464 $cf::PLAYER{$login}
1337 or cf::sync_job { !aio_stat path $login } 1465 or !aio_stat path $login
1338} 1466}
1339 1467
1340sub find($) { 1468sub find($) {
1341 return $cf::PLAYER{$_[0]} || do { 1469 return $cf::PLAYER{$_[0]} || do {
1342 my $login = $_[0]; 1470 my $login = $_[0];
1352 aio_unlink +(playerdir $login) . "/$login.pl"; 1480 aio_unlink +(playerdir $login) . "/$login.pl";
1353 1481
1354 my $f = new_from_file cf::object::thawer path $login 1482 my $f = new_from_file cf::object::thawer path $login
1355 or return; 1483 or return;
1356 1484
1357 $f->next;
1358 my $pl = cf::player::load_pl $f 1485 my $pl = cf::player::load_pl $f
1359 or return; 1486 or return;
1487
1360 local $cf::PLAYER_LOADING{$login} = $pl; 1488 local $cf::PLAYER_LOADING{$login} = $pl;
1361 $f->resolve_delayed_derefs; 1489 $f->resolve_delayed_derefs;
1362 $cf::PLAYER{$login} = $pl 1490 $cf::PLAYER{$login} = $pl
1363 } 1491 }
1364 } 1492 }
1374 1502
1375 return if $pl->{deny_save}; 1503 return if $pl->{deny_save};
1376 1504
1377 aio_mkdir playerdir $pl, 0770; 1505 aio_mkdir playerdir $pl, 0770;
1378 $pl->{last_save} = $cf::RUNTIME; 1506 $pl->{last_save} = $cf::RUNTIME;
1507
1508 cf::get_slot 0.01;
1379 1509
1380 $pl->save_pl ($path); 1510 $pl->save_pl ($path);
1381 cf::cede_to_tick; 1511 cf::cede_to_tick;
1382} 1512}
1383 1513
1415 my ($pl) = @_; 1545 my ($pl) = @_;
1416 1546
1417 my $name = $pl->ob->name; 1547 my $name = $pl->ob->name;
1418 1548
1419 $pl->{deny_save} = 1; 1549 $pl->{deny_save} = 1;
1420 $pl->password ("*"); # this should lock out the player until we nuked the dir 1550 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1421 1551
1422 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1552 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423 $pl->deactivate; 1553 $pl->deactivate;
1554 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1555 $pl->ob->check_score;
1424 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1556 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1425 $pl->ns->destroy if $pl->ns; 1557 $pl->ns->destroy if $pl->ns;
1426 1558
1427 my $path = playerdir $pl; 1559 my $path = playerdir $pl;
1428 my $temp = "$path~$cf::RUNTIME~deleting~"; 1560 my $temp = "$path~$cf::RUNTIME~deleting~";
1467 1599
1468 for my $login (@$dirs) { 1600 for my $login (@$dirs) {
1469 my $path = path $login; 1601 my $path = path $login;
1470 1602
1471 # a .pst is a dead give-away for a valid player 1603 # a .pst is a dead give-away for a valid player
1472 unless (-e "$path.pst") { 1604 # if no pst file found, open and chekc for blocked users
1605 if (aio_stat "$path.pst") {
1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1606 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474 aio_read $fh, 0, 512, my $buf, 0 or next; 1607 aio_read $fh, 0, 512, my $buf, 0 or next;
1475 $buf !~ /^password -------------$/m or next; # official not-valid tag 1608 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 } 1609 }
1477 1610
1508 } 1641 }
1509 1642
1510 \@paths 1643 \@paths
1511} 1644}
1512 1645
1513=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1646=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514 1647
1515Expand crossfire pod fragments into protocol xml. 1648Expand deliantra pod fragments into protocol xml.
1516
1517=cut
1518
1519sub expand_cfpod {
1520 ((my $self), (local $_)) = @_;
1521
1522 # escape & and <
1523 s/&/&amp;/g;
1524 s/(?<![BIUGHT])</&lt;/g;
1525
1526 # this is buggy, it needs to properly take care of nested <'s
1527
1528 1 while
1529 # replace B<>, I<>, U<> etc.
1530 s/B<([^\>]*)>/<b>$1<\/b>/
1531 || s/I<([^\>]*)>/<i>$1<\/i>/
1532 || s/U<([^\>]*)>/<u>$1<\/u>/
1533 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534 # replace G<male|female> tags
1535 || s{G<([^>|]*)\|([^>]*)>}{
1536 $self->gender ? $2 : $1
1537 }ge
1538 # replace H<hint text>
1539 || s{H<([^\>]*)>}
1540 {
1541 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543 "")
1544 [$self->{hintmode}]
1545 }ge;
1546
1547 # create single paragraphs (very hackish)
1548 s/(?<=\S)\n(?=\w)/ /g;
1549
1550 # compress some whitespace
1551 s/\s+\n/\n/g; # ws line-ends
1552 s/\n\n+/\n/g; # double lines
1553 s/^\n+//; # beginning lines
1554 s/\n+$//; # ending lines
1555
1556 $_
1557}
1558
1559sub hintmode {
1560 $_[0]{hintmode} = $_[1] if @_ > 1;
1561 $_[0]{hintmode}
1562}
1563 1649
1564=item $player->ext_reply ($msgid, @msg) 1650=item $player->ext_reply ($msgid, @msg)
1565 1651
1566Sends an ext reply to the player. 1652Sends an ext reply to the player.
1567 1653
1634our $MAX_RESET = 3600; 1720our $MAX_RESET = 3600;
1635our $DEFAULT_RESET = 3000; 1721our $DEFAULT_RESET = 3000;
1636 1722
1637sub generate_random_map { 1723sub generate_random_map {
1638 my ($self, $rmp) = @_; 1724 my ($self, $rmp) = @_;
1725
1726 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1727
1639 # mit "rum" bekleckern, nicht 1728 # mit "rum" bekleckern, nicht
1640 $self->_create_random_map ( 1729 $self->_create_random_map (
1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1730 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1731 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1732 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1765 1854
1766# the temporary/swap location 1855# the temporary/swap location
1767sub save_path { 1856sub save_path {
1768 my ($self) = @_; 1857 my ($self) = @_;
1769 1858
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1859 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771 "$TMPDIR/$path.map" 1860 "$TMPDIR/$path.map"
1772} 1861}
1773 1862
1774# the unique path, undef == no special unique path 1863# the unique path, undef == no special unique path
1775sub uniq_path { 1864sub uniq_path {
1776 my ($self) = @_; 1865 my ($self) = @_;
1777 1866
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779 "$UNIQUEDIR/$path" 1868 "$UNIQUEDIR/$path"
1780}
1781
1782# and all this just because we cannot iterate over
1783# all maps in C++...
1784sub change_all_map_light {
1785 my ($change) = @_;
1786
1787 $_->change_map_light ($change)
1788 for grep $_->outdoor, values %cf::MAP;
1789} 1869}
1790 1870
1791sub decay_objects { 1871sub decay_objects {
1792 my ($self) = @_; 1872 my ($self) = @_;
1793 1873
1877sub find { 1957sub find {
1878 my ($path, $origin) = @_; 1958 my ($path, $origin) = @_;
1879 1959
1880 $path = normalise $path, $origin && $origin->path; 1960 $path = normalise $path, $origin && $origin->path;
1881 1961
1882 cf::lock_wait "map_data:$path";#d#remove 1962 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883 cf::lock_wait "map_find:$path"; 1963 my $guard2 = cf::lock_acquire "map_find:$path";
1884 1964
1885 $cf::MAP{$path} || do { 1965 $cf::MAP{$path} || do {
1886 my $guard1 = cf::lock_acquire "map_find:$path";
1887 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889 my $map = new_from_path cf::map $path 1966 my $map = new_from_path cf::map $path
1890 or return; 1967 or return;
1891 1968
1892 $map->{last_save} = $cf::RUNTIME; 1969 $map->{last_save} = $cf::RUNTIME;
1893 1970
1895 or return; 1972 or return;
1896 1973
1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1974 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898 # doing this can freeze the server in a sync job, obviously 1975 # doing this can freeze the server in a sync job, obviously
1899 #$cf::WAIT_FOR_TICK->wait; 1976 #$cf::WAIT_FOR_TICK->wait;
1977 undef $guard2;
1900 undef $guard1; 1978 undef $guard1;
1901 undef $guard2;
1902 $map->reset; 1979 $map->reset;
1903 return find $path; 1980 return find $path;
1904 } 1981 }
1905 1982
1906 $cf::MAP{$path} = $map 1983 $cf::MAP{$path} = $map
1933 my $f = new_from_file cf::object::thawer $self->{load_path}; 2010 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block; 2011 $f->skip_block;
1935 $self->_load_objects ($f) 2012 $self->_load_objects ($f)
1936 or return; 2013 or return;
1937 2014
1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2015 $self->post_load_original
1939 if delete $self->{load_original}; 2016 if delete $self->{load_original};
1940 2017
1941 if (my $uniq = $self->uniq_path) { 2018 if (my $uniq = $self->uniq_path) {
1942 utf8::encode $uniq; 2019 utf8::encode $uniq;
1943 unless (aio_stat $uniq) { 2020 unless (aio_stat $uniq) {
1961 unless ($self->{deny_activate}) { 2038 unless ($self->{deny_activate}) {
1962 $self->decay_objects; 2039 $self->decay_objects;
1963 $self->fix_auto_apply; 2040 $self->fix_auto_apply;
1964 $self->update_buttons; 2041 $self->update_buttons;
1965 cf::cede_to_tick; 2042 cf::cede_to_tick;
1966 $self->set_darkness_map;
1967 cf::cede_to_tick;
1968 $self->activate; 2043 $self->activate;
1969 } 2044 }
1970 2045
1971 $self->{last_save} = $cf::RUNTIME; 2046 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME); 2047 $self->last_access ($cf::RUNTIME);
1973 2048
1974 $self->in_memory (cf::MAP_IN_MEMORY); 2049 $self->in_memory (cf::MAP_ACTIVE);
1975 } 2050 }
1976 2051
1977 $self->post_load; 2052 $self->post_load;
1978} 2053}
1979 2054
2037 my ($path, $origin, $load) = @_; 2112 my ($path, $origin, $load) = @_;
2038 2113
2039 $path = normalise $path, $origin && $origin->{path}; 2114 $path = normalise $path, $origin && $origin->{path};
2040 2115
2041 if (my $map = $cf::MAP{$path}) { 2116 if (my $map = $cf::MAP{$path}) {
2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2117 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043 } 2118 }
2044 2119
2045 $MAP_PREFETCH{$path} |= $load; 2120 $MAP_PREFETCH{$path} |= $load;
2046 2121
2047 $MAP_PREFETCHER ||= cf::async { 2122 $MAP_PREFETCHER ||= cf::async {
2123 $Coro::current->{desc} = "map prefetcher";
2124
2048 while (%MAP_PREFETCH) { 2125 while (%MAP_PREFETCH) {
2049 while (my ($k, $v) = each %MAP_PREFETCH) { 2126 while (my ($k, $v) = each %MAP_PREFETCH) {
2050 if (my $map = find $k) { 2127 if (my $map = find $k) {
2051 $map->load if $v; 2128 $map->load if $v;
2052 } 2129 }
2078 return if $self->{deny_save}; 2155 return if $self->{deny_save};
2079 2156
2080 local $self->{last_access} = $self->last_access;#d# 2157 local $self->{last_access} = $self->last_access;#d#
2081 2158
2082 cf::async { 2159 cf::async {
2160 $Coro::current->{desc} = "map player save";
2083 $_->contr->save for $self->players; 2161 $_->contr->save for $self->players;
2084 }; 2162 };
2163
2164 cf::get_slot 0.02;
2085 2165
2086 if ($uniq) { 2166 if ($uniq) {
2087 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2167 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2168 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2089 } else { 2169 } else {
2098 $self->save; 2178 $self->save;
2099 2179
2100 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2180 my $lock = cf::lock_acquire "map_data:$self->{path}";
2101 2181
2102 return if $self->players; 2182 return if $self->players;
2103 return if $self->in_memory != cf::MAP_IN_MEMORY; 2183 return if $self->in_memory != cf::MAP_ACTIVE;
2104 return if $self->{deny_save}; 2184 return if $self->{deny_save};
2105 2185
2106 $self->in_memory (cf::MAP_SWAPPED); 2186 $self->in_memory (cf::MAP_SWAPPED);
2107 2187
2108 $self->deactivate; 2188 $self->deactivate;
2226 2306
2227sub unique_maps() { 2307sub unique_maps() {
2228 [ 2308 [
2229 map { 2309 map {
2230 utf8::decode $_; 2310 utf8::decode $_;
2231 /\.map$/ 2311 s/\.map$//; # TODO future compatibility hack
2312 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2313 ? ()
2232 ? normalise $_ 2314 : normalise $_
2233 : ()
2234 } @{ aio_readdir $UNIQUEDIR or [] } 2315 } @{ aio_readdir $UNIQUEDIR or [] }
2235 ] 2316 ]
2236} 2317}
2237 2318
2238package cf;
2239
2240=back 2319=back
2241 2320
2242=head3 cf::object 2321=head3 cf::object
2243 2322
2244=cut 2323=cut
2247 2326
2248=over 4 2327=over 4
2249 2328
2250=item $ob->inv_recursive 2329=item $ob->inv_recursive
2251 2330
2252Returns the inventory of the object _and_ their inventories, recursively. 2331Returns the inventory of the object I<and> their inventories, recursively,
2332but I<not> the object itself.
2253 2333
2254=cut 2334=cut
2255 2335
2256sub inv_recursive_; 2336sub inv_recursive_;
2257sub inv_recursive_ { 2337sub inv_recursive_ {
2262 inv_recursive_ inv $_[0] 2342 inv_recursive_ inv $_[0]
2263} 2343}
2264 2344
2265=item $ref = $ob->ref 2345=item $ref = $ob->ref
2266 2346
2267creates and returns a persistent reference to an objetc that can be stored as a string. 2347Creates and returns a persistent reference to an object that can be stored as a string.
2268 2348
2269=item $ob = cf::object::deref ($refstring) 2349=item $ob = cf::object::deref ($refstring)
2270 2350
2271returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2351returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272even if the object actually exists. May block. 2352even if the object actually exists. May block.
2274=cut 2354=cut
2275 2355
2276sub deref { 2356sub deref {
2277 my ($ref) = @_; 2357 my ($ref) = @_;
2278 2358
2279 # temporary compatibility#TODO#remove
2280 $ref =~ s{^<}{player/<};
2281
2282 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2359 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2); 2360 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2361 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return; 2362 or return;
2286 $pl->ob->uuid eq $uuid 2363 $pl->ob->uuid eq $uuid
2287 or return; 2364 or return;
2307can be C<undef>. Does the right thing when the player is currently in a 2384can be C<undef>. Does the right thing when the player is currently in a
2308dialogue with the given NPC character. 2385dialogue with the given NPC character.
2309 2386
2310=cut 2387=cut
2311 2388
2389our $SAY_CHANNEL = {
2390 id => "say",
2391 title => "Map",
2392 reply => "say ",
2393 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2394};
2395
2396our $CHAT_CHANNEL = {
2397 id => "chat",
2398 title => "Chat",
2399 reply => "chat ",
2400 tooltip => "Player chat and shouts, global to the server.",
2401};
2402
2312# rough implementation of a future "reply" method that works 2403# rough implementation of a future "reply" method that works
2313# with dialog boxes. 2404# with dialog boxes.
2314#TODO: the first argument must go, split into a $npc->reply_to ( method 2405#TODO: the first argument must go, split into a $npc->reply_to ( method
2315sub cf::object::player::reply($$$;$) { 2406sub cf::object::player::reply($$$;$) {
2316 my ($self, $npc, $msg, $flags) = @_; 2407 my ($self, $npc, $msg, $flags) = @_;
2327 my $dialog = $pl->{npc_dialog}; 2418 my $dialog = $pl->{npc_dialog};
2328 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2419 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329 2420
2330 } else { 2421 } else {
2331 $msg = $npc->name . " says: $msg" if $npc; 2422 $msg = $npc->name . " says: $msg" if $npc;
2332 $self->message ($msg, $flags); 2423 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333 } 2424 }
2334 } 2425 }
2335} 2426}
2336 2427
2337=item $object->send_msg ($channel, $msg, $color, [extra...]) 2428=item $object->send_msg ($channel, $msg, $color, [extra...])
2362 2453
2363=item $player_object->enter_link 2454=item $player_object->enter_link
2364 2455
2365Freezes the player and moves him/her to a special map (C<{link}>). 2456Freezes the player and moves him/her to a special map (C<{link}>).
2366 2457
2367The player should be reasonably safe there for short amounts of time. You 2458The player should be reasonably safe there for short amounts of time (e.g.
2368I<MUST> call C<leave_link> as soon as possible, though. 2459for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2460though, as the palyer cannot control the character while it is on the link
2461map.
2369 2462
2370Will never block. 2463Will never block.
2371 2464
2372=item $player_object->leave_link ($map, $x, $y) 2465=item $player_object->leave_link ($map, $x, $y)
2373 2466
2431 2524
2432 $map->load; 2525 $map->load;
2433 $map->load_neighbours; 2526 $map->load_neighbours;
2434 2527
2435 return unless $self->contr->active; 2528 return unless $self->contr->active;
2529 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2436 $self->activate_recursive; 2530 $self->activate_recursive;
2437 2531
2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2532 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439 $self->enter_map ($map, $x, $y); 2533 $self->enter_map ($map, $x, $y);
2440} 2534}
2445her, loading and preparing them map, calling the provided $check callback 2539her, loading and preparing them map, calling the provided $check callback
2446that has to return the map if sucecssful, and then unfreezes the player on 2540that has to return the map if sucecssful, and then unfreezes the player on
2447the new (success) or old (failed) map position. In either case, $done will 2541the new (success) or old (failed) map position. In either case, $done will
2448be called at the end of this process. 2542be called at the end of this process.
2449 2543
2544Note that $check will be called with a potentially non-loaded map, so if
2545it needs a loaded map it has to call C<< ->load >>.
2546
2450=cut 2547=cut
2451 2548
2452our $GOTOGEN; 2549our $GOTOGEN;
2453 2550
2454sub cf::object::player::goto { 2551sub cf::object::player::goto {
2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2555 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459 2556
2460 $self->enter_link; 2557 $self->enter_link;
2461 2558
2462 (async { 2559 (async {
2560 $Coro::current->{desc} = "player::goto $path $x $y";
2561
2463 # *tag paths override both path and x|y 2562 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) { 2563 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) { 2564 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs]; 2565 my $ob = $obs[rand @obs];
2467 2566
2530} 2629}
2531 2630
2532sub prepare_random_map { 2631sub prepare_random_map {
2533 my ($exit) = @_; 2632 my ($exit) = @_;
2534 2633
2535 my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537 # all this does is basically replace the /! path by 2634 # all this does is basically replace the /! path by
2538 # a new random map path (?random/...) with a seed 2635 # a new random map path (?random/...) with a seed
2539 # that depends on the exit object 2636 # that depends on the exit object
2540 2637
2541 my $rmp = parse_random_map_params $exit->msg; 2638 my $rmp = parse_random_map_params $exit->msg;
2543 if ($exit->map) { 2640 if ($exit->map) {
2544 $rmp->{region} = $exit->region->name; 2641 $rmp->{region} = $exit->region->name;
2545 $rmp->{origin_map} = $exit->map->path; 2642 $rmp->{origin_map} = $exit->map->path;
2546 $rmp->{origin_x} = $exit->x; 2643 $rmp->{origin_x} = $exit->x;
2547 $rmp->{origin_y} = $exit->y; 2644 $rmp->{origin_y} = $exit->y;
2645
2646 $exit->map->touch;
2548 } 2647 }
2549 2648
2550 $rmp->{random_seed} ||= $exit->random_seed; 2649 $rmp->{random_seed} ||= $exit->random_seed;
2551 2650
2552 my $data = cf::to_json $rmp; 2651 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553 my $md5 = Digest::MD5::md5_hex $data; 2652 my $md5 = Digest::MD5::md5_hex $data;
2554 my $meta = "$RANDOMDIR/$md5.meta"; 2653 my $meta = "$RANDOMDIR/$md5.meta";
2555 2654
2556 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2655 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557 aio_write $fh, 0, (length $data), $data, 0; 2656 aio_write $fh, 0, (length $data), $data, 0;
2558 undef $fh; 2657 undef $fh;
2559 aio_rename "$meta~", $meta; 2658 aio_rename "$meta~", $meta;
2560 2659
2660 my $slaying = "?random/$md5";
2661
2662 if ($exit->valid) {
2561 $exit->slaying ("?random/$md5"); 2663 $exit->slaying ("?random/$md5");
2562 $exit->msg (undef); 2664 $exit->msg (undef);
2665 }
2563 } 2666 }
2564} 2667}
2565 2668
2566sub cf::object::player::enter_exit { 2669sub cf::object::player::enter_exit {
2567 my ($self, $exit) = @_; 2670 my ($self, $exit) = @_;
2568 2671
2569 return unless $self->type == cf::PLAYER; 2672 return unless $self->type == cf::PLAYER;
2570 2673
2571 if ($exit->slaying eq "/!") {
2572 #TODO: this should de-fi-ni-te-ly not be a sync-job
2573 # the problem is that $exit might not survive long enough
2574 # so it needs to be done right now, right here
2575 cf::sync_job { prepare_random_map $exit };
2576 }
2577
2578 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579 my $hp = $exit->stats->hp;
2580 my $sp = $exit->stats->sp;
2581
2582 $self->enter_link; 2674 $self->enter_link;
2583 2675
2584 # if exit is damned, update players death & WoR home-position
2585 $self->contr->savebed ($slaying, $hp, $sp)
2586 if $exit->flag (FLAG_DAMNED);
2587
2588 (async { 2676 (async {
2589 $self->deactivate_recursive; # just to be sure 2677 $Coro::current->{desc} = "enter_exit";
2678
2590 unless (eval { 2679 unless (eval {
2680 $self->deactivate_recursive; # just to be sure
2681
2682 # random map handling
2683 {
2684 my $guard = cf::lock_acquire "exit_prepare:$exit";
2685
2686 prepare_random_map $exit
2687 if $exit->slaying eq "/!";
2688 }
2689
2690 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2691 my $x = $exit->stats->hp;
2692 my $y = $exit->stats->sp;
2693
2591 $self->goto ($slaying, $hp, $sp); 2694 $self->goto ($map, $x, $y);
2592 2695
2696 # if exit is damned, update players death & WoR home-position
2697 $self->contr->savebed ($map, $x, $y)
2698 if $exit->flag (cf::FLAG_DAMNED);
2699
2593 1; 2700 1
2594 }) { 2701 }) {
2595 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2596 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
2597 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2598 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2599 2706
2600 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2628the message, with C<log> being the default. If C<$color> is negative, suppress 2735the message, with C<log> being the default. If C<$color> is negative, suppress
2629the message unless the client supports the msg packet. 2736the message unless the client supports the msg packet.
2630 2737
2631=cut 2738=cut
2632 2739
2740# non-persistent channels (usually the info channel)
2633our %CHANNEL = ( 2741our %CHANNEL = (
2634 "c/identify" => { 2742 "c/identify" => {
2635 id => "identify", 2743 id => "infobox",
2636 title => "Identify", 2744 title => "Identify",
2637 reply => undef, 2745 reply => undef,
2638 tooltip => "Items recently identified", 2746 tooltip => "Items recently identified",
2639 }, 2747 },
2640 "c/examine" => { 2748 "c/examine" => {
2641 id => "examine", 2749 id => "infobox",
2642 title => "Examine", 2750 title => "Examine",
2643 reply => undef, 2751 reply => undef,
2644 tooltip => "Signs and other items you examined", 2752 tooltip => "Signs and other items you examined",
2645 }, 2753 },
2754 "c/book" => {
2755 id => "infobox",
2756 title => "Book",
2757 reply => undef,
2758 tooltip => "The contents of a note or book",
2759 },
2760 "c/lookat" => {
2761 id => "infobox",
2762 title => "Look",
2763 reply => undef,
2764 tooltip => "What you saw there",
2765 },
2766 "c/who" => {
2767 id => "infobox",
2768 title => "Players",
2769 reply => undef,
2770 tooltip => "Shows players who are currently online",
2771 },
2772 "c/body" => {
2773 id => "infobox",
2774 title => "Body Parts",
2775 reply => undef,
2776 tooltip => "Shows which body parts you posess and are available",
2777 },
2778 "c/statistics" => {
2779 id => "infobox",
2780 title => "Statistics",
2781 reply => undef,
2782 tooltip => "Shows your primary statistics",
2783 },
2784 "c/skills" => {
2785 id => "infobox",
2786 title => "Skills",
2787 reply => undef,
2788 tooltip => "Shows your experience per skill and item power",
2789 },
2790 "c/resistances" => {
2791 id => "infobox",
2792 title => "Resistances",
2793 reply => undef,
2794 tooltip => "Shows your resistances",
2795 },
2796 "c/pets" => {
2797 id => "infobox",
2798 title => "Pets",
2799 reply => undef,
2800 tooltip => "Shows information abotu your pets/a specific pet",
2801 },
2802 "c/uptime" => {
2803 id => "infobox",
2804 title => "Uptime",
2805 reply => undef,
2806 tooltip => "How long the server has been running since last restart",
2807 },
2808 "c/mapinfo" => {
2809 id => "infobox",
2810 title => "Map Info",
2811 reply => undef,
2812 tooltip => "Information related to the maps",
2813 },
2814 "c/party" => {
2815 id => "party",
2816 title => "Party",
2817 reply => "gsay ",
2818 tooltip => "Messages and chat related to your party",
2819 },
2820 "c/death" => {
2821 id => "death",
2822 title => "Death",
2823 reply => undef,
2824 tooltip => "Reason for and more info about your most recent death",
2825 },
2826 "c/say" => $SAY_CHANNEL,
2827 "c/chat" => $CHAT_CHANNEL,
2646); 2828);
2647 2829
2648sub cf::client::send_msg { 2830sub cf::client::send_msg {
2649 my ($self, $channel, $msg, $color, @extra) = @_; 2831 my ($self, $channel, $msg, $color, @extra) = @_;
2650 2832
2651 $msg = $self->pl->expand_cfpod ($msg); 2833 $msg = $self->pl->expand_cfpod ($msg)
2834 unless $color & cf::NDI_VERBATIM;
2652 2835
2653 $color &= cf::NDI_CLIENT_MASK; # just in case... 2836 $color &= cf::NDI_CLIENT_MASK; # just in case...
2654 2837
2655 # check predefined channels, for the benefit of C 2838 # check predefined channels, for the benefit of C
2656 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2839 if ($CHANNEL{$channel}) {
2840 $channel = $CHANNEL{$channel};
2657 2841
2842 $self->ext_msg (channel_info => $channel);
2843 $channel = $channel->{id};
2844
2658 if (ref $channel) { 2845 } elsif (ref $channel) {
2659 # send meta info to client, if not yet sent 2846 # send meta info to client, if not yet sent
2660 unless (exists $self->{channel}{$channel->{id}}) { 2847 unless (exists $self->{channel}{$channel->{id}}) {
2661 $self->{channel}{$channel->{id}} = $channel; 2848 $self->{channel}{$channel->{id}} = $channel;
2662 $self->ext_msg (channel_info => $channel) 2849 $self->ext_msg (channel_info => $channel);
2663 if $self->can_msg;
2664 } 2850 }
2665 2851
2666 $channel = $channel->{id}; 2852 $channel = $channel->{id};
2667 } 2853 }
2668 2854
2669 return unless @extra || length $msg; 2855 return unless @extra || length $msg;
2670 2856
2671 if ($self->can_msg) {
2672 # default colour, mask it out 2857 # default colour, mask it out
2673 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2858 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674 if $color & cf::NDI_DEF; 2859 if $color & cf::NDI_DEF;
2675 2860
2676 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2861 my $pkt = "msg "
2862 . $self->{json_coder}->encode (
2677 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2863 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2678 } else { 2864 );
2679 if ($color >= 0) {
2680 # replace some tags by gcfclient-compatible ones
2681 for ($msg) {
2682 1 while
2683 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688 }
2689 2865
2690 $color &= cf::NDI_COLOR_MASK; 2866 # try lzf for large packets
2867 $pkt = "lzf " . Compress::LZF::compress $pkt
2868 if 1024 <= length $pkt and $self->{can_lzf};
2691 2869
2692 utf8::encode $msg; 2870 # split very large packets
2693 2871 if (8192 < length $pkt and $self->{can_lzf}) {
2694 if (0 && $msg =~ /\[/) { 2872 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2695 # COMMAND/INFO 2873 $pkt = "frag";
2696 $self->send_packet ("drawextinfo $color 10 8 $msg")
2697 } else {
2698 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699 $self->send_packet ("drawinfo $color $msg")
2700 }
2701 }
2702 } 2874 }
2875
2876 $self->send_packet ($pkt);
2703} 2877}
2704 2878
2705=item $client->ext_msg ($type, @msg) 2879=item $client->ext_msg ($type, @msg)
2706 2880
2707Sends an ext event to the client. 2881Sends an ext event to the client.
2880=pod 3054=pod
2881 3055
2882The following functions and methods are available within a safe environment: 3056The following functions and methods are available within a safe environment:
2883 3057
2884 cf::object 3058 cf::object
2885 contr pay_amount pay_player map x y force_find force_add 3059 contr pay_amount pay_player map x y force_find force_add destroy
2886 insert remove name archname title slaying race decrease_ob_nr 3060 insert remove name archname title slaying race decrease split
3061 value
2887 3062
2888 cf::object::player 3063 cf::object::player
2889 player 3064 player
2890 3065
2891 cf::player 3066 cf::player
2896 3071
2897=cut 3072=cut
2898 3073
2899for ( 3074for (
2900 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3075 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2901 insert remove inv name archname title slaying race 3076 insert remove inv nrof name archname title slaying race
2902 decrease_ob_nr)], 3077 decrease split destroy change_exp value msg lore send_msg)],
2903 ["cf::object::player" => qw(player)], 3078 ["cf::object::player" => qw(player)],
2904 ["cf::player" => qw(peaceful)], 3079 ["cf::player" => qw(peaceful send_msg)],
2905 ["cf::map" => qw(trigger)], 3080 ["cf::map" => qw(trigger)],
2906) { 3081) {
2907 no strict 'refs'; 3082 no strict 'refs';
2908 my ($pkg, @funs) = @$_; 3083 my ($pkg, @funs) = @$_;
2909 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3084 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2926 my ($code, %vars) = @_; 3101 my ($code, %vars) = @_;
2927 3102
2928 my $qcode = $code; 3103 my $qcode = $code;
2929 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3104 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2930 $qcode =~ s/\n/\\n/g; 3105 $qcode =~ s/\n/\\n/g;
3106
3107 %vars = (_dummy => 0) unless %vars;
2931 3108
2932 local $_; 3109 local $_;
2933 local @safe::cf::_safe_eval_args = values %vars; 3110 local @safe::cf::_safe_eval_args = values %vars;
2934 3111
2935 my $eval = 3112 my $eval =
3012 { 3189 {
3013 my $faces = $facedata->{faceinfo}; 3190 my $faces = $facedata->{faceinfo};
3014 3191
3015 while (my ($face, $info) = each %$faces) { 3192 while (my ($face, $info) = each %$faces) {
3016 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3193 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3194
3017 cf::face::set_visibility $idx, $info->{visibility}; 3195 cf::face::set_visibility $idx, $info->{visibility};
3018 cf::face::set_magicmap $idx, $info->{magicmap}; 3196 cf::face::set_magicmap $idx, $info->{magicmap};
3019 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3197 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3020 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3198 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3021 3199
3022 cf::cede_to_tick; 3200 cf::cede_to_tick;
3023 } 3201 }
3024 3202
3025 while (my ($face, $info) = each %$faces) { 3203 while (my ($face, $info) = each %$faces) {
3026 next unless $info->{smooth}; 3204 next unless $info->{smooth};
3205
3027 my $idx = cf::face::find $face 3206 my $idx = cf::face::find $face
3028 or next; 3207 or next;
3208
3029 if (my $smooth = cf::face::find $info->{smooth}) { 3209 if (my $smooth = cf::face::find $info->{smooth}) {
3030 cf::face::set_smooth $idx, $smooth; 3210 cf::face::set_smooth $idx, $smooth;
3031 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3211 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032 } else { 3212 } else {
3033 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3213 warn "smooth face '$info->{smooth}' not found for face '$face'";
3051 { 3231 {
3052 # TODO: for gcfclient pleasure, we should give resources 3232 # TODO: for gcfclient pleasure, we should give resources
3053 # that gcfclient doesn't grok a >10000 face index. 3233 # that gcfclient doesn't grok a >10000 face index.
3054 my $res = $facedata->{resource}; 3234 my $res = $facedata->{resource};
3055 3235
3056 my $soundconf = delete $res->{"res/sound.conf"};
3057
3058 while (my ($name, $info) = each %$res) { 3236 while (my ($name, $info) = each %$res) {
3237 if (defined $info->{type}) {
3059 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3238 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060 my $data; 3239 my $data;
3061 3240
3062 if ($info->{type} & 1) { 3241 if ($info->{type} & 1) {
3063 # prepend meta info 3242 # prepend meta info
3064 3243
3065 my $meta = $enc->encode ({ 3244 my $meta = $enc->encode ({
3066 name => $name, 3245 name => $name,
3067 %{ $info->{meta} || {} }, 3246 %{ $info->{meta} || {} },
3068 }); 3247 });
3069 3248
3070 $data = pack "(w/a*)*", $meta, $info->{data}; 3249 $data = pack "(w/a*)*", $meta, $info->{data};
3250 } else {
3251 $data = $info->{data};
3252 }
3253
3254 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3255 cf::face::set_type $idx, $info->{type};
3071 } else { 3256 } else {
3072 $data = $info->{data}; 3257 $RESOURCE{$name} = $info;
3073 } 3258 }
3074 3259
3075 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076 cf::face::set_type $idx, $info->{type};
3077
3078 cf::cede_to_tick; 3260 cf::cede_to_tick;
3079 } 3261 }
3080
3081 if ($soundconf) {
3082 $soundconf = $enc->decode (delete $soundconf->{data});
3083
3084 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085 my $sound = $soundconf->{compat}[$_]
3086 or next;
3087
3088 my $face = cf::face::find "sound/$sound->[1]";
3089 cf::sound::set $sound->[0] => $face;
3090 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091 }
3092
3093 while (my ($k, $v) = each %{$soundconf->{event}}) {
3094 my $face = cf::face::find "sound/$v";
3095 cf::sound::set $k => $face;
3096 }
3097 }
3098 } 3262 }
3263
3264 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3099 3265
3100 1 3266 1
3101} 3267}
3268
3269cf::global->attach (on_resource_update => sub {
3270 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3271 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3272
3273 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3274 my $sound = $soundconf->{compat}[$_]
3275 or next;
3276
3277 my $face = cf::face::find "sound/$sound->[1]";
3278 cf::sound::set $sound->[0] => $face;
3279 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3280 }
3281
3282 while (my ($k, $v) = each %{$soundconf->{event}}) {
3283 my $face = cf::face::find "sound/$v";
3284 cf::sound::set $k => $face;
3285 }
3286 }
3287});
3102 3288
3103register_exticmd fx_want => sub { 3289register_exticmd fx_want => sub {
3104 my ($ns, $want) = @_; 3290 my ($ns, $want) = @_;
3105 3291
3106 while (my ($k, $v) = each %$want) { 3292 while (my ($k, $v) = each %$want) {
3107 $ns->fx_want ($k, $v); 3293 $ns->fx_want ($k, $v);
3108 } 3294 }
3109}; 3295};
3296
3297sub load_resource_file($) {
3298 my $guard = lock_acquire "load_resource_file";
3299
3300 my $status = load_resource_file_ $_[0];
3301 get_slot 0.1, 100;
3302 cf::arch::commit_load;
3303
3304 $status
3305}
3110 3306
3111sub reload_regions { 3307sub reload_regions {
3112 # HACK to clear player env face cache, we need some signal framework 3308 # HACK to clear player env face cache, we need some signal framework
3113 # for this (global event?) 3309 # for this (global event?)
3114 %ext::player_env::MUSIC_FACE_CACHE = (); 3310 %ext::player_env::MUSIC_FACE_CACHE = ();
3128} 3324}
3129 3325
3130sub reload_archetypes { 3326sub reload_archetypes {
3131 load_resource_file "$DATADIR/archetypes" 3327 load_resource_file "$DATADIR/archetypes"
3132 or die "unable to load archetypes\n"; 3328 or die "unable to load archetypes\n";
3133 #d# NEED to laod twice to resolve forward references
3134 # this really needs to be done in an extra post-pass
3135 # (which needs to be synchronous, so solve it differently)
3136 load_resource_file "$DATADIR/archetypes"
3137 or die "unable to load archetypes\n";
3138} 3329}
3139 3330
3140sub reload_treasures { 3331sub reload_treasures {
3141 load_resource_file "$DATADIR/treasures" 3332 load_resource_file "$DATADIR/treasures"
3142 or die "unable to load treasurelists\n"; 3333 or die "unable to load treasurelists\n";
3143} 3334}
3144 3335
3145sub reload_resources { 3336sub reload_resources {
3146 warn "reloading resource files...\n"; 3337 warn "reloading resource files...\n";
3147 3338
3339 reload_facedata;
3340 reload_archetypes;
3148 reload_regions; 3341 reload_regions;
3149 reload_facedata;
3150 #reload_archetypes;#d#
3151 reload_archetypes;
3152 reload_treasures; 3342 reload_treasures;
3153 3343
3154 warn "finished reloading resource files\n"; 3344 warn "finished reloading resource files\n";
3155}
3156
3157sub init {
3158 reload_resources;
3159} 3345}
3160 3346
3161sub reload_config { 3347sub reload_config {
3162 open my $fh, "<:utf8", "$CONFDIR/config" 3348 open my $fh, "<:utf8", "$CONFDIR/config"
3163 or return; 3349 or return;
3164 3350
3165 local $/; 3351 local $/;
3166 *CFG = YAML::Syck::Load <$fh>; 3352 *CFG = YAML::Load <$fh>;
3167 3353
3168 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3354 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3169 3355
3170 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3356 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3171 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3357 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3177 }; 3363 };
3178 warn $@ if $@; 3364 warn $@ if $@;
3179 } 3365 }
3180} 3366}
3181 3367
3368sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!";
3371 flock $fh, &Fcntl::LOCK_EX
3372 or die "$PIDFILE: flock: $!";
3373 $fh
3374}
3375
3376# make sure only one server instance is running at any one time
3377sub atomic {
3378 my $fh = pidfile;
3379
3380 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0;
3382
3383 seek $fh, 0, 0;
3384 print $fh $$;
3385}
3386
3182sub main { 3387sub main {
3388 cf::init_globals; # initialise logging
3389
3390 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3391 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3392 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3393 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3394
3395 cf::init_experience;
3396 cf::init_anim;
3397 cf::init_attackmess;
3398 cf::init_dynamic;
3399
3400 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3401
3183 # we must not ever block the main coroutine 3402 # we must not ever block the main coroutine
3184 local $Coro::idle = sub { 3403 local $Coro::idle = sub {
3185 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3404 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3186 (async { 3405 (async {
3187 Event::one_event; 3406 $Coro::current->{desc} = "IDLE BUG HANDLER";
3407 EV::loop EV::LOOP_ONESHOT;
3188 })->prio (Coro::PRIO_MAX); 3408 })->prio (Coro::PRIO_MAX);
3189 }; 3409 };
3190 3410
3411 evthread_start IO::AIO::poll_fileno;
3412
3413 cf::sync_job {
3414 reload_resources;
3191 reload_config; 3415 reload_config;
3192 db_init; 3416 db_init;
3417
3418 cf::load_settings;
3419 cf::load_materials;
3420 cf::init_uuid;
3421 cf::init_signals;
3422 cf::init_commands;
3423 cf::init_skills;
3424
3425 cf::init_beforeplay;
3426
3427 atomic;
3428
3193 load_extensions; 3429 load_extensions;
3194 3430
3195 $TICK_WATCHER->start; 3431 utime time, time, $RUNTIMEFILE;
3432
3433 # no (long-running) fork's whatsoever before this point(!)
3434 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3435
3436 (pop @POST_INIT)->(0) while @POST_INIT;
3437 };
3438
3196 Event::loop; 3439 EV::loop;
3197} 3440}
3198 3441
3199############################################################################# 3442#############################################################################
3200# initialisation and cleanup 3443# initialisation and cleanup
3201 3444
3202# install some emergency cleanup handlers 3445# install some emergency cleanup handlers
3203BEGIN { 3446BEGIN {
3447 our %SIGWATCHER = ();
3204 for my $signal (qw(INT HUP TERM)) { 3448 for my $signal (qw(INT HUP TERM)) {
3205 Event->signal ( 3449 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3206 reentrant => 0,
3207 data => WF_AUTOCANCEL,
3208 signal => $signal,
3209 prio => 0,
3210 cb => sub {
3211 cf::cleanup "SIG$signal"; 3450 cf::cleanup "SIG$signal";
3212 },
3213 ); 3451 };
3214 } 3452 }
3215} 3453}
3216 3454
3217sub write_runtime { 3455sub write_runtime_sync {
3218 my $runtime = "$LOCALDIR/runtime";
3219
3220 # first touch the runtime file to show we are still running: 3456 # first touch the runtime file to show we are still running:
3221 # the fsync below can take a very very long time. 3457 # the fsync below can take a very very long time.
3222 3458
3223 IO::AIO::aio_utime $runtime, undef, undef; 3459 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3224 3460
3225 my $guard = cf::lock_acquire "write_runtime"; 3461 my $guard = cf::lock_acquire "write_runtime";
3226 3462
3227 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3463 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3228 or return; 3464 or return;
3229 3465
3230 my $value = $cf::RUNTIME + 90 + 10; 3466 my $value = $cf::RUNTIME + 90 + 10;
3231 # 10 is the runtime save interval, for a monotonic clock 3467 # 10 is the runtime save interval, for a monotonic clock
3232 # 60 allows for the watchdog to kill the server. 3468 # 60 allows for the watchdog to kill the server.
3242 aio_utime $fh, undef, undef; 3478 aio_utime $fh, undef, undef;
3243 3479
3244 close $fh 3480 close $fh
3245 or return; 3481 or return;
3246 3482
3247 aio_rename "$runtime~", $runtime 3483 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3248 and return; 3484 and return;
3249 3485
3250 warn "runtime file written.\n"; 3486 warn "runtime file written.\n";
3251 3487
3252 1 3488 1
3489}
3490
3491our $uuid_lock;
3492our $uuid_skip;
3493
3494sub write_uuid_sync($) {
3495 $uuid_skip ||= $_[0];
3496
3497 return if $uuid_lock;
3498 local $uuid_lock = 1;
3499
3500 my $uuid = "$LOCALDIR/uuid";
3501
3502 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3503 or return;
3504
3505 my $value = uuid_seq uuid_cur;
3506
3507 unless ($value) {
3508 warn "cowardly refusing to write zero uuid value!\n";
3509 return;
3510 }
3511
3512 my $value = uuid_str $value + $uuid_skip;
3513 $uuid_skip = 0;
3514
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return;
3517
3518 # always fsync - this file is important
3519 aio_fsync $fh
3520 and return;
3521
3522 close $fh
3523 or return;
3524
3525 aio_rename "$uuid~", $uuid
3526 and return;
3527
3528 warn "uuid file written ($value).\n";
3529
3530 1
3531
3532}
3533
3534sub write_uuid($$) {
3535 my ($skip, $sync) = @_;
3536
3537 $sync ? write_uuid_sync $skip
3538 : async { write_uuid_sync $skip };
3253} 3539}
3254 3540
3255sub emergency_save() { 3541sub emergency_save() {
3256 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
3257 3543
3258 warn "enter emergency perl save\n"; 3544 warn "emergency_perl_save: enter\n";
3259 3545
3260 cf::sync_job { 3546 cf::sync_job {
3547 # this is a trade-off: we want to be very quick here, so
3548 # save all maps without fsync, and later call a global sync
3549 # (which in turn might be very very slow)
3550 local $USE_FSYNC = 0;
3551
3261 # use a peculiar iteration method to avoid tripping on perl 3552 # use a peculiar iteration method to avoid tripping on perl
3262 # refcount bugs in for. also avoids problems with players 3553 # refcount bugs in for. also avoids problems with players
3263 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
3264 warn "begin emergency player save\n"; 3555 warn "emergency_perl_save: begin player save\n";
3265 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
3266 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
3267 $pl->valid or next; 3558 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3268 $pl->save; 3560 $pl->save;
3269 } 3561 }
3270 warn "end emergency player save\n"; 3562 warn "emergency_perl_save: end player save\n";
3271 3563
3272 warn "begin emergency map save\n"; 3564 warn "emergency_perl_save: begin map save\n";
3273 for my $path (keys %cf::MAP) { 3565 for my $path (keys %cf::MAP) {
3274 my $map = $cf::MAP{$path} or next; 3566 my $map = $cf::MAP{$path} or next;
3275 $map->valid or next; 3567 $map->valid or next;
3276 $map->save; 3568 $map->save;
3277 } 3569 }
3278 warn "end emergency map save\n"; 3570 warn "emergency_perl_save: end map save\n";
3279 3571
3280 warn "begin emergency database checkpoint\n"; 3572 warn "emergency_perl_save: begin database checkpoint\n";
3281 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
3282 warn "end emergency database checkpoint\n"; 3574 warn "emergency_perl_save: end database checkpoint\n";
3575
3576 warn "emergency_perl_save: begin write uuid\n";
3577 write_uuid_sync 1;
3578 warn "emergency_perl_save: end write uuid\n";
3283 }; 3579 };
3284 3580
3581 warn "emergency_perl_save: starting sync()\n";
3582 IO::AIO::aio_sync sub {
3583 warn "emergency_perl_save: finished sync()\n";
3584 };
3585
3285 warn "leave emergency perl save\n"; 3586 warn "emergency_perl_save: leave\n";
3286} 3587}
3287 3588
3288sub post_cleanup { 3589sub post_cleanup {
3289 my ($make_core) = @_; 3590 my ($make_core) = @_;
3290 3591
3291 warn Carp::longmess "post_cleanup backtrace" 3592 warn Carp::longmess "post_cleanup backtrace"
3292 if $make_core; 3593 if $make_core;
3594
3595 my $fh = pidfile;
3596 unlink $PIDFILE if <$fh> == $$;
3597}
3598
3599# a safer delete_package, copied from Symbol
3600sub clear_package($) {
3601 my $pkg = shift;
3602
3603 # expand to full symbol table name if needed
3604 unless ($pkg =~ /^main::.*::$/) {
3605 $pkg = "main$pkg" if $pkg =~ /^::/;
3606 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3607 $pkg .= '::' unless $pkg =~ /::$/;
3608 }
3609
3610 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3611 my $stem_symtab = *{$stem}{HASH};
3612
3613 defined $stem_symtab and exists $stem_symtab->{$leaf}
3614 or return;
3615
3616 # clear all symbols
3617 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3618 for my $name (keys %$leaf_symtab) {
3619 _gv_clear *{"$pkg$name"};
3620# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3621 }
3622 warn "cleared package $pkg\n";#d#
3293} 3623}
3294 3624
3295sub do_reload_perl() { 3625sub do_reload_perl() {
3296 # can/must only be called in main 3626 # can/must only be called in main
3297 if ($Coro::current != $Coro::main) { 3627 if ($Coro::current != $Coro::main) {
3298 warn "can only reload from main coroutine"; 3628 warn "can only reload from main coroutine";
3299 return; 3629 return;
3300 } 3630 }
3301 3631
3632 return if $RELOAD++;
3633
3634 my $t1 = EV::time;
3635
3636 while ($RELOAD) {
3302 warn "reloading..."; 3637 warn "reloading...";
3303 3638
3304 warn "entering sync_job"; 3639 warn "entering sync_job";
3305 3640
3306 cf::sync_job { 3641 cf::sync_job {
3307 cf::write_runtime; # external watchdog should not bark 3642 cf::write_runtime_sync; # external watchdog should not bark
3308 cf::emergency_save; 3643 cf::emergency_save;
3309 cf::write_runtime; # external watchdog should not bark 3644 cf::write_runtime_sync; # external watchdog should not bark
3310 3645
3311 warn "syncing database to disk"; 3646 warn "syncing database to disk";
3312 BDB::db_env_txn_checkpoint $DB_ENV; 3647 BDB::db_env_txn_checkpoint $DB_ENV;
3313 3648
3314 # if anything goes wrong in here, we should simply crash as we already saved 3649 # if anything goes wrong in here, we should simply crash as we already saved
3315 3650
3316 warn "cancelling all WF_AUTOCANCEL watchers";
3317 for (Event::all_watchers) {
3318 $_->cancel if $_->data & WF_AUTOCANCEL;
3319 }
3320
3321 warn "flushing outstanding aio requests"; 3651 warn "flushing outstanding aio requests";
3322 for (;;) {
3323 BDB::flush;
3324 IO::AIO::flush;
3325 Coro::cede;
3326 last unless IO::AIO::nreqs || BDB::nreqs; 3652 while (IO::AIO::nreqs || BDB::nreqs) {
3327 warn "iterate..."; 3653 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3328 }
3329
3330 ++$RELOAD;
3331
3332 warn "cancelling all extension coros";
3333 $_->cancel for values %EXT_CORO;
3334 %EXT_CORO = ();
3335
3336 warn "removing commands";
3337 %COMMAND = ();
3338
3339 warn "removing ext/exti commands";
3340 %EXTCMD = ();
3341 %EXTICMD = ();
3342
3343 warn "unloading/nuking all extensions";
3344 for my $pkg (@EXTS) {
3345 warn "... unloading $pkg";
3346
3347 if (my $cb = $pkg->can ("unload")) {
3348 eval {
3349 $cb->($pkg);
3350 1
3351 } or warn "$pkg unloaded, but with errors: $@";
3352 } 3654 }
3353 3655
3354 warn "... nuking $pkg"; 3656 warn "cancelling all extension coros";
3355 Symbol::delete_package $pkg; 3657 $_->cancel for values %EXT_CORO;
3356 } 3658 %EXT_CORO = ();
3357 3659
3358 warn "unloading all perl modules loaded from $LIBDIR"; 3660 warn "removing commands";
3359 while (my ($k, $v) = each %INC) { 3661 %COMMAND = ();
3360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3361 3662
3663 warn "removing ext/exti commands";
3664 %EXTCMD = ();
3665 %EXTICMD = ();
3666
3667 warn "unloading/nuking all extensions";
3668 for my $pkg (@EXTS) {
3362 warn "... unloading $k"; 3669 warn "... unloading $pkg";
3363 delete $INC{$k};
3364 3670
3365 $k =~ s/\.pm$//;
3366 $k =~ s/\//::/g;
3367
3368 if (my $cb = $k->can ("unload_module")) { 3671 if (my $cb = $pkg->can ("unload")) {
3672 eval {
3369 $cb->(); 3673 $cb->($pkg);
3674 1
3675 } or warn "$pkg unloaded, but with errors: $@";
3676 }
3677
3678 warn "... clearing $pkg";
3679 clear_package $pkg;
3370 } 3680 }
3371 3681
3372 Symbol::delete_package $k; 3682 warn "unloading all perl modules loaded from $LIBDIR";
3683 while (my ($k, $v) = each %INC) {
3684 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3685
3686 warn "... unloading $k";
3687 delete $INC{$k};
3688
3689 $k =~ s/\.pm$//;
3690 $k =~ s/\//::/g;
3691
3692 if (my $cb = $k->can ("unload_module")) {
3693 $cb->();
3694 }
3695
3696 clear_package $k;
3373 } 3697 }
3374 3698
3375 warn "getting rid of safe::, as good as possible"; 3699 warn "getting rid of safe::, as good as possible";
3376 Symbol::delete_package "safe::$_" 3700 clear_package "safe::$_"
3377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3701 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3378 3702
3379 warn "unloading cf.pm \"a bit\""; 3703 warn "unloading cf.pm \"a bit\"";
3380 delete $INC{"cf.pm"}; 3704 delete $INC{"cf.pm"};
3381 delete $INC{"cf/pod.pm"}; 3705 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3382 3706
3383 # don't, removes xs symbols, too, 3707 # don't, removes xs symbols, too,
3384 # and global variables created in xs 3708 # and global variables created in xs
3385 #Symbol::delete_package __PACKAGE__; 3709 #clear_package __PACKAGE__;
3386 3710
3387 warn "unload completed, starting to reload now"; 3711 warn "unload completed, starting to reload now";
3388 3712
3389 warn "reloading cf.pm"; 3713 warn "reloading cf.pm";
3390 require cf; 3714 require cf;
3391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3715 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3392 3716
3393 warn "loading config and database again"; 3717 warn "loading config and database again";
3394 cf::reload_config; 3718 cf::reload_config;
3395 3719
3396 warn "loading extensions"; 3720 warn "loading extensions";
3397 cf::load_extensions; 3721 cf::load_extensions;
3398 3722
3723 if ($REATTACH_ON_RELOAD) {
3399 warn "reattaching attachments to objects/players"; 3724 warn "reattaching attachments to objects/players";
3400 _global_reattach; # objects, sockets 3725 _global_reattach; # objects, sockets
3401 warn "reattaching attachments to maps"; 3726 warn "reattaching attachments to maps";
3402 reattach $_ for values %MAP; 3727 reattach $_ for values %MAP;
3403 warn "reattaching attachments to players"; 3728 warn "reattaching attachments to players";
3404 reattach $_ for values %PLAYER; 3729 reattach $_ for values %PLAYER;
3730 }
3405 3731
3732 warn "running post_init jobs";
3733 (pop @POST_INIT)->(1) while @POST_INIT;
3734
3406 warn "leaving sync_job"; 3735 warn "leaving sync_job";
3407 3736
3408 1 3737 1
3409 } or do { 3738 } or do {
3410 warn $@; 3739 warn $@;
3411 warn "error while reloading, exiting."; 3740 cf::cleanup "error while reloading, exiting.";
3412 exit 1;
3413 }; 3741 };
3414 3742
3415 warn "reloaded"; 3743 warn "reloaded";
3744 --$RELOAD;
3745 }
3746
3747 $t1 = EV::time - $t1;
3748 warn "reload completed in ${t1}s\n";
3416}; 3749};
3417 3750
3418our $RELOAD_WATCHER; # used only during reload 3751our $RELOAD_WATCHER; # used only during reload
3419 3752
3420sub reload_perl() { 3753sub reload_perl() {
3421 # doing reload synchronously and two reloads happen back-to-back, 3754 # doing reload synchronously and two reloads happen back-to-back,
3422 # coro crashes during coro_state_free->destroy here. 3755 # coro crashes during coro_state_free->destroy here.
3423 3756
3424 $RELOAD_WATCHER ||= Event->timer ( 3757 $RELOAD_WATCHER ||= cf::async {
3425 reentrant => 0, 3758 Coro::AIO::aio_wait cache_extensions;
3426 after => 0, 3759
3427 data => WF_AUTOCANCEL, 3760 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3428 cb => sub {
3429 do_reload_perl; 3761 do_reload_perl;
3430 undef $RELOAD_WATCHER; 3762 undef $RELOAD_WATCHER;
3431 }, 3763 };
3432 ); 3764 };
3433} 3765}
3434 3766
3435register_command "reload" => sub { 3767register_command "reload" => sub {
3436 my ($who, $arg) = @_; 3768 my ($who, $arg) = @_;
3437 3769
3438 if ($who->flag (FLAG_WIZ)) { 3770 if ($who->flag (FLAG_WIZ)) {
3439 $who->message ("reloading server."); 3771 $who->message ("reloading server.");
3772 async {
3773 $Coro::current->{desc} = "perl_reload";
3440 async { reload_perl }; 3774 reload_perl;
3775 };
3441 } 3776 }
3442}; 3777};
3443 3778
3444unshift @INC, $LIBDIR; 3779unshift @INC, $LIBDIR;
3445 3780
3447 3782
3448our @WAIT_FOR_TICK; 3783our @WAIT_FOR_TICK;
3449our @WAIT_FOR_TICK_BEGIN; 3784our @WAIT_FOR_TICK_BEGIN;
3450 3785
3451sub wait_for_tick { 3786sub wait_for_tick {
3452 return unless $TICK_WATCHER->is_active;
3453 return if $Coro::current == $Coro::main; 3787 return if tick_inhibit || $Coro::current == $Coro::main;
3454 3788
3455 my $signal = new Coro::Signal; 3789 my $signal = new Coro::Signal;
3456 push @WAIT_FOR_TICK, $signal; 3790 push @WAIT_FOR_TICK, $signal;
3457 $signal->wait; 3791 $signal->wait;
3458} 3792}
3459 3793
3460sub wait_for_tick_begin { 3794sub wait_for_tick_begin {
3461 return unless $TICK_WATCHER->is_active;
3462 return if $Coro::current == $Coro::main; 3795 return if tick_inhibit || $Coro::current == $Coro::main;
3463 3796
3464 my $signal = new Coro::Signal; 3797 my $signal = new Coro::Signal;
3465 push @WAIT_FOR_TICK_BEGIN, $signal; 3798 push @WAIT_FOR_TICK_BEGIN, $signal;
3466 $signal->wait; 3799 $signal->wait;
3467} 3800}
3468 3801
3469our $stat_fh; 3802sub tick {
3470sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3471
3472$TICK_WATCHER = Event->timer (
3473 reentrant => 0,
3474 parked => 1,
3475 prio => 0,
3476 at => $NEXT_TICK || $TICK,
3477 data => WF_AUTOCANCEL,
3478 cb => sub {
3479 if ($Coro::current != $Coro::main) { 3803 if ($Coro::current != $Coro::main) {
3480 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3804 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3481 unless ++$bug_warning > 10; 3805 unless ++$bug_warning > 10;
3482 return; 3806 return;
3483 } 3807 }
3484 3808
3485 my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3486
3487 $NOW = $tick_start = Event::time;
3488
3489 cf::server_tick; # one server iteration 3809 cf::server_tick; # one server iteration
3490 3810
3491 $RUNTIME += $TICK;
3492 $NEXT_TICK += $TICK;
3493
3494 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3811 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3495 $NEXT_RUNTIME_WRITE = $NOW + 10; 3812 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3496 Coro::async_pool { 3813 Coro::async_pool {
3814 $Coro::current->{desc} = "runtime saver";
3497 write_runtime 3815 write_runtime_sync
3498 or warn "ERROR: unable to write runtime file: $!"; 3816 or warn "ERROR: unable to write runtime file: $!";
3499 };
3500 } 3817 };
3818 }
3501 3819
3502# my $AFTER = Event::time;
3503# warn $AFTER - $NOW;#d#
3504
3505 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3820 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3506 $sig->send; 3821 $sig->send;
3507 } 3822 }
3508 while (my $sig = shift @WAIT_FOR_TICK) { 3823 while (my $sig = shift @WAIT_FOR_TICK) {
3509 $sig->send; 3824 $sig->send;
3510 } 3825 }
3511 3826
3512 $NOW = Event::time; 3827 $LOAD = ($NOW - $TICK_START) / $TICK;
3513
3514 # if we are delayed by four ticks or more, skip them all
3515 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3516
3517 $TICK_WATCHER->at ($NEXT_TICK);
3518 $TICK_WATCHER->start;
3519
3520 $LOAD = ($NOW - $tick_start) / $TICK;
3521 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3828 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3522 3829
3523 _post_tick; 3830 if (0) {
3524 3831 if ($NEXT_TICK) {
3525 # gather some statistics#d# 3832 my $jitter = $TICK_START - $NEXT_TICK;
3526 $stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d# 3833 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3527 IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d# 3834 warn "jitter $JITTER\n";#d#
3835 }
3528 }, 3836 }
3529); 3837}
3530 3838
3531{ 3839{
3840 # configure BDB
3841
3532 BDB::min_parallel 8; 3842 BDB::min_parallel 8;
3533 BDB::max_poll_time $TICK * 0.1; 3843 BDB::max_poll_reqs $TICK * 0.1;
3534 $BDB_POLL_WATCHER = Event->io ( 3844 $AnyEvent::BDB::WATCHER->priority (1);
3535 reentrant => 0,
3536 fd => BDB::poll_fileno,
3537 poll => 'r',
3538 prio => 0,
3539 data => WF_AUTOCANCEL,
3540 cb => \&BDB::poll_cb,
3541 );
3542
3543 BDB::set_sync_prepare {
3544 my $status;
3545 my $current = $Coro::current;
3546 (
3547 sub {
3548 $status = $!;
3549 $current->ready; undef $current;
3550 },
3551 sub {
3552 Coro::schedule while defined $current;
3553 $! = $status;
3554 },
3555 )
3556 };
3557 3845
3558 unless ($DB_ENV) { 3846 unless ($DB_ENV) {
3559 $DB_ENV = BDB::db_env_create; 3847 $DB_ENV = BDB::db_env_create;
3848 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3849 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3850 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3851 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3852 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3560 3853
3561 cf::sync_job { 3854 cf::sync_job {
3562 eval { 3855 eval {
3563 BDB::db_env_open 3856 BDB::db_env_open
3564 $DB_ENV, 3857 $DB_ENV,
3566 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3859 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3567 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3860 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3568 0666; 3861 0666;
3569 3862
3570 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3863 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3571
3572 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3573 | BDB::LOG_AUTOREMOVE, 1);
3574 $DB_ENV->set_lk_detect;
3575 }; 3864 };
3576 3865
3577 cf::cleanup "db_env_open(db): $@" if $@; 3866 cf::cleanup "db_env_open(db): $@" if $@;
3578 }; 3867 };
3579 } 3868 }
3580 3869
3581 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3870 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3582 after => 11, 3871 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3583 interval => 60, 3872 };
3584 hard => 1, 3873 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3585 prio => 0,
3586 data => WF_AUTOCANCEL,
3587 cb => sub {
3588 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3874 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3589 },
3590 ); 3875 };
3591 $BDB_TRICKLE_WATCHER = Event->timer ( 3876 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3592 after => 5,
3593 interval => 10,
3594 hard => 1,
3595 prio => 0,
3596 data => WF_AUTOCANCEL,
3597 cb => sub {
3598 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3877 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3599 },
3600 ); 3878 };
3601} 3879}
3602 3880
3603{ 3881{
3882 # configure IO::AIO
3883
3604 IO::AIO::min_parallel 8; 3884 IO::AIO::min_parallel 8;
3605
3606 undef $Coro::AIO::WATCHER;
3607 IO::AIO::max_poll_time $TICK * 0.1; 3885 IO::AIO::max_poll_time $TICK * 0.1;
3608 $AIO_POLL_WATCHER = Event->io ( 3886 undef $AnyEvent::AIO::WATCHER;
3609 reentrant => 0,
3610 data => WF_AUTOCANCEL,
3611 fd => IO::AIO::poll_fileno,
3612 poll => 'r',
3613 prio => 6,
3614 cb => \&IO::AIO::poll_cb,
3615 );
3616} 3887}
3617 3888
3618my $_log_backtrace; 3889my $_log_backtrace;
3619 3890
3620sub _log_backtrace { 3891sub _log_backtrace {
3623 $msg =~ s/\n//; 3894 $msg =~ s/\n//;
3624 3895
3625 # limit the # of concurrent backtraces 3896 # limit the # of concurrent backtraces
3626 if ($_log_backtrace < 2) { 3897 if ($_log_backtrace < 2) {
3627 ++$_log_backtrace; 3898 ++$_log_backtrace;
3899 my $perl_bt = Carp::longmess $msg;
3628 async { 3900 async {
3901 $Coro::current->{desc} = "abt $msg";
3902
3629 my @bt = fork_call { 3903 my @bt = fork_call {
3630 @addr = map { sprintf "%x", $_ } @addr; 3904 @addr = map { sprintf "%x", $_ } @addr;
3631 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3905 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3632 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3906 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3633 or die "addr2line: $!"; 3907 or die "addr2line: $!";
3641 } 3915 }
3642 3916
3643 @funcs 3917 @funcs
3644 }; 3918 };
3645 3919
3646 LOG llevInfo, "[ABT] $msg\n"; 3920 LOG llevInfo, "[ABT] $perl_bt\n";
3921 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3647 LOG llevInfo, "[ABT] $_\n" for @bt; 3922 LOG llevInfo, "[ABT] $_\n" for @bt;
3648 --$_log_backtrace; 3923 --$_log_backtrace;
3649 }; 3924 };
3650 } else { 3925 } else {
3651 LOG llevInfo, "[ABT] $msg\n"; 3926 LOG llevInfo, "[ABT] $msg\n";
3652 LOG llevInfo, "[ABT] [suppressed]\n"; 3927 LOG llevInfo, "[ABT] [suppressed]\n";
3653 } 3928 }
3654} 3929}
3655 3930
3656# load additional modules 3931# load additional modules
3657use cf::pod; 3932require "cf/$_.pm" for @EXTRA_MODULES;
3658 3933
3659END { cf::emergency_save } 3934END { cf::emergency_save }
3660 3935
36611 39361
3662 3937

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines