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Revision 1.368 by root, Wed Sep 12 11:18:25 2007 UTC vs.
Revision 1.471 by root, Mon Apr 27 01:38:48 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 = $obs[rand @obs];
2467 2566
2468 # see if we actually can go there 2567 # see if we actually can go there
2469 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) { 2568 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470 $ob = $obs[rand @obs]; 2569 $ob = $obs[rand @obs];
2570 } else {
2571 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2471 } 2572 }
2472 # else put him there anyways for now #d# 2573 # else put us there anyways for now #d#
2473 2574
2474 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y); 2575 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2576 } else {
2577 ($path, $x, $y) = (undef, undef, undef);
2475 } 2578 }
2476 } 2579 }
2477 2580
2478 my $map = eval { 2581 my $map = eval {
2479 my $map = cf::map::find $path; 2582 my $map = defined $path ? cf::map::find $path : undef;
2480 2583
2481 if ($map) { 2584 if ($map) {
2482 $map = $map->customise_for ($self); 2585 $map = $map->customise_for ($self);
2483 $map = $check->($map) if $check && $map; 2586 $map = $check->($map) if $check && $map;
2484 } else { 2587 } else {
2485 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2588 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2486 } 2589 }
2487 2590
2488 $map 2591 $map
2489 }; 2592 };
2490 2593
2526} 2629}
2527 2630
2528sub prepare_random_map { 2631sub prepare_random_map {
2529 my ($exit) = @_; 2632 my ($exit) = @_;
2530 2633
2531 my $guard = cf::lock_acquire "exit_prepare:$exit";
2532
2533 # all this does is basically replace the /! path by 2634 # all this does is basically replace the /! path by
2534 # a new random map path (?random/...) with a seed 2635 # a new random map path (?random/...) with a seed
2535 # that depends on the exit object 2636 # that depends on the exit object
2536 2637
2537 my $rmp = parse_random_map_params $exit->msg; 2638 my $rmp = parse_random_map_params $exit->msg;
2539 if ($exit->map) { 2640 if ($exit->map) {
2540 $rmp->{region} = $exit->region->name; 2641 $rmp->{region} = $exit->region->name;
2541 $rmp->{origin_map} = $exit->map->path; 2642 $rmp->{origin_map} = $exit->map->path;
2542 $rmp->{origin_x} = $exit->x; 2643 $rmp->{origin_x} = $exit->x;
2543 $rmp->{origin_y} = $exit->y; 2644 $rmp->{origin_y} = $exit->y;
2645
2646 $exit->map->touch;
2544 } 2647 }
2545 2648
2546 $rmp->{random_seed} ||= $exit->random_seed; 2649 $rmp->{random_seed} ||= $exit->random_seed;
2547 2650
2548 my $data = cf::to_json $rmp; 2651 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2549 my $md5 = Digest::MD5::md5_hex $data; 2652 my $md5 = Digest::MD5::md5_hex $data;
2550 my $meta = "$RANDOMDIR/$md5.meta"; 2653 my $meta = "$RANDOMDIR/$md5.meta";
2551 2654
2552 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2655 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2553 aio_write $fh, 0, (length $data), $data, 0; 2656 aio_write $fh, 0, (length $data), $data, 0;
2554 undef $fh; 2657 undef $fh;
2555 aio_rename "$meta~", $meta; 2658 aio_rename "$meta~", $meta;
2556 2659
2660 my $slaying = "?random/$md5";
2661
2662 if ($exit->valid) {
2557 $exit->slaying ("?random/$md5"); 2663 $exit->slaying ("?random/$md5");
2558 $exit->msg (undef); 2664 $exit->msg (undef);
2665 }
2559 } 2666 }
2560} 2667}
2561 2668
2562sub cf::object::player::enter_exit { 2669sub cf::object::player::enter_exit {
2563 my ($self, $exit) = @_; 2670 my ($self, $exit) = @_;
2564 2671
2565 return unless $self->type == cf::PLAYER; 2672 return unless $self->type == cf::PLAYER;
2566 2673
2567 if ($exit->slaying eq "/!") {
2568 #TODO: this should de-fi-ni-te-ly not be a sync-job
2569 # the problem is that $exit might not survive long enough
2570 # so it needs to be done right now, right here
2571 cf::sync_job { prepare_random_map $exit };
2572 }
2573
2574 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2575 my $hp = $exit->stats->hp;
2576 my $sp = $exit->stats->sp;
2577
2578 $self->enter_link; 2674 $self->enter_link;
2579 2675
2580 # if exit is damned, update players death & WoR home-position
2581 $self->contr->savebed ($slaying, $hp, $sp)
2582 if $exit->flag (FLAG_DAMNED);
2583
2584 (async { 2676 (async {
2585 $self->deactivate_recursive; # just to be sure 2677 $Coro::current->{desc} = "enter_exit";
2678
2586 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
2587 $self->goto ($slaying, $hp, $sp); 2694 $self->goto ($map, $x, $y);
2588 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
2589 1; 2700 1
2590 }) { 2701 }) {
2591 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the deliantra server. "
2592 . "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. "
2593 . "Please report this to the dungeon master!", 2704 . "Please report this to the dungeon master!",
2594 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
2595 2706
2596 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
2624the message, with C<log> being the default. If C<$color> is negative, suppress 2735the message, with C<log> being the default. If C<$color> is negative, suppress
2625the message unless the client supports the msg packet. 2736the message unless the client supports the msg packet.
2626 2737
2627=cut 2738=cut
2628 2739
2740# non-persistent channels (usually the info channel)
2629our %CHANNEL = ( 2741our %CHANNEL = (
2630 "c/identify" => { 2742 "c/identify" => {
2631 id => "identify", 2743 id => "infobox",
2632 title => "Identify", 2744 title => "Identify",
2633 reply => undef, 2745 reply => undef,
2634 tooltip => "Items recently identified", 2746 tooltip => "Items recently identified",
2635 }, 2747 },
2636 "c/examine" => { 2748 "c/examine" => {
2637 id => "examine", 2749 id => "infobox",
2638 title => "Examine", 2750 title => "Examine",
2639 reply => undef, 2751 reply => undef,
2640 tooltip => "Signs and other items you examined", 2752 tooltip => "Signs and other items you examined",
2641 }, 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/shopitems" => {
2791 id => "infobox",
2792 title => "Shop Items",
2793 reply => undef,
2794 tooltip => "Shows the items currently for sale in this shop",
2795 },
2796 "c/resistances" => {
2797 id => "infobox",
2798 title => "Resistances",
2799 reply => undef,
2800 tooltip => "Shows your resistances",
2801 },
2802 "c/pets" => {
2803 id => "infobox",
2804 title => "Pets",
2805 reply => undef,
2806 tooltip => "Shows information abotu your pets/a specific pet",
2807 },
2808 "c/perceiveself" => {
2809 id => "infobox",
2810 title => "Perceive Self",
2811 reply => undef,
2812 tooltip => "You gained detailed knowledge about yourself",
2813 },
2814 "c/uptime" => {
2815 id => "infobox",
2816 title => "Uptime",
2817 reply => undef,
2818 tooltip => "How long the server has been running since last restart",
2819 },
2820 "c/mapinfo" => {
2821 id => "infobox",
2822 title => "Map Info",
2823 reply => undef,
2824 tooltip => "Information related to the maps",
2825 },
2826 "c/party" => {
2827 id => "party",
2828 title => "Party",
2829 reply => "gsay ",
2830 tooltip => "Messages and chat related to your party",
2831 },
2832 "c/death" => {
2833 id => "death",
2834 title => "Death",
2835 reply => undef,
2836 tooltip => "Reason for and more info about your most recent death",
2837 },
2838 "c/say" => $SAY_CHANNEL,
2839 "c/chat" => $CHAT_CHANNEL,
2642); 2840);
2643 2841
2644sub cf::client::send_msg { 2842sub cf::client::send_msg {
2645 my ($self, $channel, $msg, $color, @extra) = @_; 2843 my ($self, $channel, $msg, $color, @extra) = @_;
2646 2844
2647 $msg = $self->pl->expand_cfpod ($msg); 2845 $msg = $self->pl->expand_cfpod ($msg)
2846 unless $color & cf::NDI_VERBATIM;
2648 2847
2649 $color &= cf::NDI_CLIENT_MASK; # just in case... 2848 $color &= cf::NDI_CLIENT_MASK; # just in case...
2650 2849
2651 # check predefined channels, for the benefit of C 2850 # check predefined channels, for the benefit of C
2652 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2851 if ($CHANNEL{$channel}) {
2852 $channel = $CHANNEL{$channel};
2653 2853
2854 $self->ext_msg (channel_info => $channel);
2855 $channel = $channel->{id};
2856
2654 if (ref $channel) { 2857 } elsif (ref $channel) {
2655 # send meta info to client, if not yet sent 2858 # send meta info to client, if not yet sent
2656 unless (exists $self->{channel}{$channel->{id}}) { 2859 unless (exists $self->{channel}{$channel->{id}}) {
2657 $self->{channel}{$channel->{id}} = $channel; 2860 $self->{channel}{$channel->{id}} = $channel;
2658 $self->ext_msg (channel_info => $channel) 2861 $self->ext_msg (channel_info => $channel);
2659 if $self->can_msg;
2660 } 2862 }
2661 2863
2662 $channel = $channel->{id}; 2864 $channel = $channel->{id};
2663 } 2865 }
2664 2866
2665 return unless @extra || length $msg; 2867 return unless @extra || length $msg;
2666 2868
2667 if ($self->can_msg) {
2668 # default colour, mask it out 2869 # default colour, mask it out
2669 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2870 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2670 if $color & cf::NDI_DEF; 2871 if $color & cf::NDI_DEF;
2671 2872
2672 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2873 my $pkt = "msg "
2874 . $self->{json_coder}->encode (
2673 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2875 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2674 } else { 2876 );
2675 if ($color >= 0) {
2676 # replace some tags by gcfclient-compatible ones
2677 for ($msg) {
2678 1 while
2679 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2680 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2681 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2682 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2683 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2684 }
2685 2877
2686 $color &= cf::NDI_COLOR_MASK; 2878 # try lzf for large packets
2879 $pkt = "lzf " . Compress::LZF::compress $pkt
2880 if 1024 <= length $pkt and $self->{can_lzf};
2687 2881
2688 utf8::encode $msg; 2882 # split very large packets
2689 2883 if (8192 < length $pkt and $self->{can_lzf}) {
2690 if (0 && $msg =~ /\[/) { 2884 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2691 # COMMAND/INFO 2885 $pkt = "frag";
2692 $self->send_packet ("drawextinfo $color 10 8 $msg")
2693 } else {
2694 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2695 $self->send_packet ("drawinfo $color $msg")
2696 }
2697 }
2698 } 2886 }
2887
2888 $self->send_packet ($pkt);
2699} 2889}
2700 2890
2701=item $client->ext_msg ($type, @msg) 2891=item $client->ext_msg ($type, @msg)
2702 2892
2703Sends an ext event to the client. 2893Sends an ext event to the client.
2876=pod 3066=pod
2877 3067
2878The following functions and methods are available within a safe environment: 3068The following functions and methods are available within a safe environment:
2879 3069
2880 cf::object 3070 cf::object
2881 contr pay_amount pay_player map x y force_find force_add 3071 contr pay_amount pay_player map x y force_find force_add destroy
2882 insert remove name archname title slaying race decrease_ob_nr 3072 insert remove name archname title slaying race decrease split
3073 value
2883 3074
2884 cf::object::player 3075 cf::object::player
2885 player 3076 player
2886 3077
2887 cf::player 3078 cf::player
2892 3083
2893=cut 3084=cut
2894 3085
2895for ( 3086for (
2896 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3087 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2897 insert remove inv name archname title slaying race 3088 insert remove inv nrof name archname title slaying race
2898 decrease_ob_nr)], 3089 decrease split destroy change_exp value msg lore send_msg)],
2899 ["cf::object::player" => qw(player)], 3090 ["cf::object::player" => qw(player)],
2900 ["cf::player" => qw(peaceful)], 3091 ["cf::player" => qw(peaceful send_msg)],
2901 ["cf::map" => qw(trigger)], 3092 ["cf::map" => qw(trigger)],
2902) { 3093) {
2903 no strict 'refs'; 3094 no strict 'refs';
2904 my ($pkg, @funs) = @$_; 3095 my ($pkg, @funs) = @$_;
2905 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3096 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2922 my ($code, %vars) = @_; 3113 my ($code, %vars) = @_;
2923 3114
2924 my $qcode = $code; 3115 my $qcode = $code;
2925 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3116 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2926 $qcode =~ s/\n/\\n/g; 3117 $qcode =~ s/\n/\\n/g;
3118
3119 %vars = (_dummy => 0) unless %vars;
2927 3120
2928 local $_; 3121 local $_;
2929 local @safe::cf::_safe_eval_args = values %vars; 3122 local @safe::cf::_safe_eval_args = values %vars;
2930 3123
2931 my $eval = 3124 my $eval =
3008 { 3201 {
3009 my $faces = $facedata->{faceinfo}; 3202 my $faces = $facedata->{faceinfo};
3010 3203
3011 while (my ($face, $info) = each %$faces) { 3204 while (my ($face, $info) = each %$faces) {
3012 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3205 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206
3013 cf::face::set_visibility $idx, $info->{visibility}; 3207 cf::face::set_visibility $idx, $info->{visibility};
3014 cf::face::set_magicmap $idx, $info->{magicmap}; 3208 cf::face::set_magicmap $idx, $info->{magicmap};
3015 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3209 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3016 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3210 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3017 3211
3018 cf::cede_to_tick; 3212 cf::cede_to_tick;
3019 } 3213 }
3020 3214
3021 while (my ($face, $info) = each %$faces) { 3215 while (my ($face, $info) = each %$faces) {
3022 next unless $info->{smooth}; 3216 next unless $info->{smooth};
3217
3023 my $idx = cf::face::find $face 3218 my $idx = cf::face::find $face
3024 or next; 3219 or next;
3220
3025 if (my $smooth = cf::face::find $info->{smooth}) { 3221 if (my $smooth = cf::face::find $info->{smooth}) {
3026 cf::face::set_smooth $idx, $smooth; 3222 cf::face::set_smooth $idx, $smooth;
3027 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3223 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3028 } else { 3224 } else {
3029 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3225 warn "smooth face '$info->{smooth}' not found for face '$face'";
3047 { 3243 {
3048 # TODO: for gcfclient pleasure, we should give resources 3244 # TODO: for gcfclient pleasure, we should give resources
3049 # that gcfclient doesn't grok a >10000 face index. 3245 # that gcfclient doesn't grok a >10000 face index.
3050 my $res = $facedata->{resource}; 3246 my $res = $facedata->{resource};
3051 3247
3052 my $soundconf = delete $res->{"res/sound.conf"};
3053
3054 while (my ($name, $info) = each %$res) { 3248 while (my ($name, $info) = each %$res) {
3249 if (defined $info->{type}) {
3055 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3250 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3056 my $data; 3251 my $data;
3057 3252
3058 if ($info->{type} & 1) { 3253 if ($info->{type} & 1) {
3059 # prepend meta info 3254 # prepend meta info
3060 3255
3061 my $meta = $enc->encode ({ 3256 my $meta = $enc->encode ({
3062 name => $name, 3257 name => $name,
3063 %{ $info->{meta} || {} }, 3258 %{ $info->{meta} || {} },
3064 }); 3259 });
3065 3260
3066 $data = pack "(w/a*)*", $meta, $info->{data}; 3261 $data = pack "(w/a*)*", $meta, $info->{data};
3262 } else {
3263 $data = $info->{data};
3264 }
3265
3266 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267 cf::face::set_type $idx, $info->{type};
3067 } else { 3268 } else {
3068 $data = $info->{data}; 3269 $RESOURCE{$name} = $info;
3069 } 3270 }
3070 3271
3071 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3072 cf::face::set_type $idx, $info->{type};
3073
3074 cf::cede_to_tick; 3272 cf::cede_to_tick;
3075 } 3273 }
3076
3077 if ($soundconf) {
3078 $soundconf = $enc->decode (delete $soundconf->{data});
3079
3080 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3081 my $sound = $soundconf->{compat}[$_]
3082 or next;
3083
3084 my $face = cf::face::find "sound/$sound->[1]";
3085 cf::sound::set $sound->[0] => $face;
3086 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3087 }
3088
3089 while (my ($k, $v) = each %{$soundconf->{event}}) {
3090 my $face = cf::face::find "sound/$v";
3091 cf::sound::set $k => $face;
3092 }
3093 }
3094 } 3274 }
3275
3276 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3095 3277
3096 1 3278 1
3097} 3279}
3280
3281cf::global->attach (on_resource_update => sub {
3282 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286 my $sound = $soundconf->{compat}[$_]
3287 or next;
3288
3289 my $face = cf::face::find "sound/$sound->[1]";
3290 cf::sound::set $sound->[0] => $face;
3291 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292 }
3293
3294 while (my ($k, $v) = each %{$soundconf->{event}}) {
3295 my $face = cf::face::find "sound/$v";
3296 cf::sound::set $k => $face;
3297 }
3298 }
3299});
3098 3300
3099register_exticmd fx_want => sub { 3301register_exticmd fx_want => sub {
3100 my ($ns, $want) = @_; 3302 my ($ns, $want) = @_;
3101 3303
3102 while (my ($k, $v) = each %$want) { 3304 while (my ($k, $v) = each %$want) {
3103 $ns->fx_want ($k, $v); 3305 $ns->fx_want ($k, $v);
3104 } 3306 }
3105}; 3307};
3308
3309sub load_resource_file($) {
3310 my $guard = lock_acquire "load_resource_file";
3311
3312 my $status = load_resource_file_ $_[0];
3313 get_slot 0.1, 100;
3314 cf::arch::commit_load;
3315
3316 $status
3317}
3106 3318
3107sub reload_regions { 3319sub reload_regions {
3108 # HACK to clear player env face cache, we need some signal framework 3320 # HACK to clear player env face cache, we need some signal framework
3109 # for this (global event?) 3321 # for this (global event?)
3110 %ext::player_env::MUSIC_FACE_CACHE = (); 3322 %ext::player_env::MUSIC_FACE_CACHE = ();
3124} 3336}
3125 3337
3126sub reload_archetypes { 3338sub reload_archetypes {
3127 load_resource_file "$DATADIR/archetypes" 3339 load_resource_file "$DATADIR/archetypes"
3128 or die "unable to load archetypes\n"; 3340 or die "unable to load archetypes\n";
3129 #d# NEED to laod twice to resolve forward references
3130 # this really needs to be done in an extra post-pass
3131 # (which needs to be synchronous, so solve it differently)
3132 load_resource_file "$DATADIR/archetypes"
3133 or die "unable to load archetypes\n";
3134} 3341}
3135 3342
3136sub reload_treasures { 3343sub reload_treasures {
3137 load_resource_file "$DATADIR/treasures" 3344 load_resource_file "$DATADIR/treasures"
3138 or die "unable to load treasurelists\n"; 3345 or die "unable to load treasurelists\n";
3139} 3346}
3140 3347
3141sub reload_resources { 3348sub reload_resources {
3142 warn "reloading resource files...\n"; 3349 warn "reloading resource files...\n";
3143 3350
3351 reload_facedata;
3352 reload_archetypes;
3144 reload_regions; 3353 reload_regions;
3145 reload_facedata;
3146 #reload_archetypes;#d#
3147 reload_archetypes;
3148 reload_treasures; 3354 reload_treasures;
3149 3355
3150 warn "finished reloading resource files\n"; 3356 warn "finished reloading resource files\n";
3151}
3152
3153sub init {
3154 reload_resources;
3155} 3357}
3156 3358
3157sub reload_config { 3359sub reload_config {
3158 open my $fh, "<:utf8", "$CONFDIR/config" 3360 open my $fh, "<:utf8", "$CONFDIR/config"
3159 or return; 3361 or return;
3160 3362
3161 local $/; 3363 local $/;
3162 *CFG = YAML::Syck::Load <$fh>; 3364 *CFG = YAML::Load <$fh>;
3163 3365
3164 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3366 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3165 3367
3166 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3368 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3167 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3369 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3173 }; 3375 };
3174 warn $@ if $@; 3376 warn $@ if $@;
3175 } 3377 }
3176} 3378}
3177 3379
3380sub pidfile() {
3381 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3382 or die "$PIDFILE: $!";
3383 flock $fh, &Fcntl::LOCK_EX
3384 or die "$PIDFILE: flock: $!";
3385 $fh
3386}
3387
3388# make sure only one server instance is running at any one time
3389sub atomic {
3390 my $fh = pidfile;
3391
3392 my $pid = <$fh>;
3393 kill 9, $pid if $pid > 0;
3394
3395 seek $fh, 0, 0;
3396 print $fh $$;
3397}
3398
3178sub main { 3399sub main {
3400 cf::init_globals; # initialise logging
3401
3402 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3403 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3404 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3405 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3406
3407 cf::init_experience;
3408 cf::init_anim;
3409 cf::init_attackmess;
3410 cf::init_dynamic;
3411
3412 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3413
3179 # we must not ever block the main coroutine 3414 # we must not ever block the main coroutine
3180 local $Coro::idle = sub { 3415 local $Coro::idle = sub {
3181 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3416 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3182 (async { 3417 (async {
3183 Event::one_event; 3418 $Coro::current->{desc} = "IDLE BUG HANDLER";
3419 EV::loop EV::LOOP_ONESHOT;
3184 })->prio (Coro::PRIO_MAX); 3420 })->prio (Coro::PRIO_MAX);
3185 }; 3421 };
3186 3422
3423 evthread_start IO::AIO::poll_fileno;
3424
3425 cf::sync_job {
3426 reload_resources;
3187 reload_config; 3427 reload_config;
3188 db_init; 3428 db_init;
3429
3430 cf::load_settings;
3431 cf::load_materials;
3432 cf::init_uuid;
3433 cf::init_signals;
3434 cf::init_commands;
3435 cf::init_skills;
3436
3437 cf::init_beforeplay;
3438
3439 atomic;
3440
3189 load_extensions; 3441 load_extensions;
3190 3442
3191 $TICK_WATCHER->start; 3443 utime time, time, $RUNTIMEFILE;
3444
3445 # no (long-running) fork's whatsoever before this point(!)
3446 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3447
3448 (pop @POST_INIT)->(0) while @POST_INIT;
3449 };
3450
3192 Event::loop; 3451 EV::loop;
3193} 3452}
3194 3453
3195############################################################################# 3454#############################################################################
3196# initialisation and cleanup 3455# initialisation and cleanup
3197 3456
3198# install some emergency cleanup handlers 3457# install some emergency cleanup handlers
3199BEGIN { 3458BEGIN {
3459 our %SIGWATCHER = ();
3200 for my $signal (qw(INT HUP TERM)) { 3460 for my $signal (qw(INT HUP TERM)) {
3201 Event->signal ( 3461 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3202 reentrant => 0,
3203 data => WF_AUTOCANCEL,
3204 signal => $signal,
3205 prio => 0,
3206 cb => sub {
3207 cf::cleanup "SIG$signal"; 3462 cf::cleanup "SIG$signal";
3208 },
3209 ); 3463 };
3210 } 3464 }
3211} 3465}
3212 3466
3213sub write_runtime { 3467sub write_runtime_sync {
3214 my $runtime = "$LOCALDIR/runtime";
3215
3216 # first touch the runtime file to show we are still running: 3468 # first touch the runtime file to show we are still running:
3217 # the fsync below can take a very very long time. 3469 # the fsync below can take a very very long time.
3218 3470
3219 IO::AIO::aio_utime $runtime, undef, undef; 3471 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3220 3472
3221 my $guard = cf::lock_acquire "write_runtime"; 3473 my $guard = cf::lock_acquire "write_runtime";
3222 3474
3223 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3475 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3224 or return; 3476 or return;
3225 3477
3226 my $value = $cf::RUNTIME + 90 + 10; 3478 my $value = $cf::RUNTIME + 90 + 10;
3227 # 10 is the runtime save interval, for a monotonic clock 3479 # 10 is the runtime save interval, for a monotonic clock
3228 # 60 allows for the watchdog to kill the server. 3480 # 60 allows for the watchdog to kill the server.
3238 aio_utime $fh, undef, undef; 3490 aio_utime $fh, undef, undef;
3239 3491
3240 close $fh 3492 close $fh
3241 or return; 3493 or return;
3242 3494
3243 aio_rename "$runtime~", $runtime 3495 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3244 and return; 3496 and return;
3245 3497
3246 warn "runtime file written.\n"; 3498 warn "runtime file written.\n";
3247 3499
3248 1 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_seq uuid_cur;
3518
3519 unless ($value) {
3520 warn "cowardly refusing to write zero uuid value!\n";
3521 return;
3522 }
3523
3524 my $value = uuid_str $value + $uuid_skip;
3525 $uuid_skip = 0;
3526
3527 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3528 and return;
3529
3530 # always fsync - this file is important
3531 aio_fsync $fh
3532 and return;
3533
3534 close $fh
3535 or return;
3536
3537 aio_rename "$uuid~", $uuid
3538 and return;
3539
3540 warn "uuid file written ($value).\n";
3541
3542 1
3543
3544}
3545
3546sub write_uuid($$) {
3547 my ($skip, $sync) = @_;
3548
3549 $sync ? write_uuid_sync $skip
3550 : async { write_uuid_sync $skip };
3249} 3551}
3250 3552
3251sub emergency_save() { 3553sub emergency_save() {
3252 my $freeze_guard = cf::freeze_mainloop; 3554 my $freeze_guard = cf::freeze_mainloop;
3253 3555
3254 warn "enter emergency perl save\n"; 3556 warn "emergency_perl_save: enter\n";
3255 3557
3256 cf::sync_job { 3558 cf::sync_job {
3559 # this is a trade-off: we want to be very quick here, so
3560 # save all maps without fsync, and later call a global sync
3561 # (which in turn might be very very slow)
3562 local $USE_FSYNC = 0;
3563
3257 # use a peculiar iteration method to avoid tripping on perl 3564 # use a peculiar iteration method to avoid tripping on perl
3258 # refcount bugs in for. also avoids problems with players 3565 # refcount bugs in for. also avoids problems with players
3259 # and maps saved/destroyed asynchronously. 3566 # and maps saved/destroyed asynchronously.
3260 warn "begin emergency player save\n"; 3567 warn "emergency_perl_save: begin player save\n";
3261 for my $login (keys %cf::PLAYER) { 3568 for my $login (keys %cf::PLAYER) {
3262 my $pl = $cf::PLAYER{$login} or next; 3569 my $pl = $cf::PLAYER{$login} or next;
3263 $pl->valid or next; 3570 $pl->valid or next;
3571 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3264 $pl->save; 3572 $pl->save;
3265 } 3573 }
3266 warn "end emergency player save\n"; 3574 warn "emergency_perl_save: end player save\n";
3267 3575
3268 warn "begin emergency map save\n"; 3576 warn "emergency_perl_save: begin map save\n";
3269 for my $path (keys %cf::MAP) { 3577 for my $path (keys %cf::MAP) {
3270 my $map = $cf::MAP{$path} or next; 3578 my $map = $cf::MAP{$path} or next;
3271 $map->valid or next; 3579 $map->valid or next;
3272 $map->save; 3580 $map->save;
3273 } 3581 }
3274 warn "end emergency map save\n"; 3582 warn "emergency_perl_save: end map save\n";
3275 3583
3276 warn "begin emergency database checkpoint\n"; 3584 warn "emergency_perl_save: begin database checkpoint\n";
3277 BDB::db_env_txn_checkpoint $DB_ENV; 3585 BDB::db_env_txn_checkpoint $DB_ENV;
3278 warn "end emergency database checkpoint\n"; 3586 warn "emergency_perl_save: end database checkpoint\n";
3587
3588 warn "emergency_perl_save: begin write uuid\n";
3589 write_uuid_sync 1;
3590 warn "emergency_perl_save: end write uuid\n";
3279 }; 3591 };
3280 3592
3593 warn "emergency_perl_save: starting sync()\n";
3594 IO::AIO::aio_sync sub {
3595 warn "emergency_perl_save: finished sync()\n";
3596 };
3597
3281 warn "leave emergency perl save\n"; 3598 warn "emergency_perl_save: leave\n";
3282} 3599}
3283 3600
3284sub post_cleanup { 3601sub post_cleanup {
3285 my ($make_core) = @_; 3602 my ($make_core) = @_;
3286 3603
3287 warn Carp::longmess "post_cleanup backtrace" 3604 warn Carp::longmess "post_cleanup backtrace"
3288 if $make_core; 3605 if $make_core;
3606
3607 my $fh = pidfile;
3608 unlink $PIDFILE if <$fh> == $$;
3609}
3610
3611# a safer delete_package, copied from Symbol
3612sub clear_package($) {
3613 my $pkg = shift;
3614
3615 # expand to full symbol table name if needed
3616 unless ($pkg =~ /^main::.*::$/) {
3617 $pkg = "main$pkg" if $pkg =~ /^::/;
3618 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3619 $pkg .= '::' unless $pkg =~ /::$/;
3620 }
3621
3622 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3623 my $stem_symtab = *{$stem}{HASH};
3624
3625 defined $stem_symtab and exists $stem_symtab->{$leaf}
3626 or return;
3627
3628 # clear all symbols
3629 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3630 for my $name (keys %$leaf_symtab) {
3631 _gv_clear *{"$pkg$name"};
3632# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3633 }
3634 warn "cleared package $pkg\n";#d#
3289} 3635}
3290 3636
3291sub do_reload_perl() { 3637sub do_reload_perl() {
3292 # can/must only be called in main 3638 # can/must only be called in main
3293 if ($Coro::current != $Coro::main) { 3639 if ($Coro::current != $Coro::main) {
3294 warn "can only reload from main coroutine"; 3640 warn "can only reload from main coroutine";
3295 return; 3641 return;
3296 } 3642 }
3297 3643
3644 return if $RELOAD++;
3645
3646 my $t1 = EV::time;
3647
3648 while ($RELOAD) {
3298 warn "reloading..."; 3649 warn "reloading...";
3299 3650
3300 warn "entering sync_job"; 3651 warn "entering sync_job";
3301 3652
3302 cf::sync_job { 3653 cf::sync_job {
3303 cf::write_runtime; # external watchdog should not bark 3654 cf::write_runtime_sync; # external watchdog should not bark
3304 cf::emergency_save; 3655 cf::emergency_save;
3305 cf::write_runtime; # external watchdog should not bark 3656 cf::write_runtime_sync; # external watchdog should not bark
3306 3657
3307 warn "syncing database to disk"; 3658 warn "syncing database to disk";
3308 BDB::db_env_txn_checkpoint $DB_ENV; 3659 BDB::db_env_txn_checkpoint $DB_ENV;
3309 3660
3310 # if anything goes wrong in here, we should simply crash as we already saved 3661 # if anything goes wrong in here, we should simply crash as we already saved
3311 3662
3312 warn "cancelling all WF_AUTOCANCEL watchers";
3313 for (Event::all_watchers) {
3314 $_->cancel if $_->data & WF_AUTOCANCEL;
3315 }
3316
3317 warn "flushing outstanding aio requests"; 3663 warn "flushing outstanding aio requests";
3318 for (;;) {
3319 BDB::flush;
3320 IO::AIO::flush;
3321 Coro::cede;
3322 last unless IO::AIO::nreqs || BDB::nreqs; 3664 while (IO::AIO::nreqs || BDB::nreqs) {
3323 warn "iterate..."; 3665 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3324 }
3325
3326 ++$RELOAD;
3327
3328 warn "cancelling all extension coros";
3329 $_->cancel for values %EXT_CORO;
3330 %EXT_CORO = ();
3331
3332 warn "removing commands";
3333 %COMMAND = ();
3334
3335 warn "removing ext/exti commands";
3336 %EXTCMD = ();
3337 %EXTICMD = ();
3338
3339 warn "unloading/nuking all extensions";
3340 for my $pkg (@EXTS) {
3341 warn "... unloading $pkg";
3342
3343 if (my $cb = $pkg->can ("unload")) {
3344 eval {
3345 $cb->($pkg);
3346 1
3347 } or warn "$pkg unloaded, but with errors: $@";
3348 } 3666 }
3349 3667
3350 warn "... nuking $pkg"; 3668 warn "cancelling all extension coros";
3351 Symbol::delete_package $pkg; 3669 $_->cancel for values %EXT_CORO;
3352 } 3670 %EXT_CORO = ();
3353 3671
3354 warn "unloading all perl modules loaded from $LIBDIR"; 3672 warn "removing commands";
3355 while (my ($k, $v) = each %INC) { 3673 %COMMAND = ();
3356 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3357 3674
3675 warn "removing ext/exti commands";
3676 %EXTCMD = ();
3677 %EXTICMD = ();
3678
3679 warn "unloading/nuking all extensions";
3680 for my $pkg (@EXTS) {
3358 warn "... unloading $k"; 3681 warn "... unloading $pkg";
3359 delete $INC{$k};
3360 3682
3361 $k =~ s/\.pm$//;
3362 $k =~ s/\//::/g;
3363
3364 if (my $cb = $k->can ("unload_module")) { 3683 if (my $cb = $pkg->can ("unload")) {
3684 eval {
3365 $cb->(); 3685 $cb->($pkg);
3686 1
3687 } or warn "$pkg unloaded, but with errors: $@";
3688 }
3689
3690 warn "... clearing $pkg";
3691 clear_package $pkg;
3366 } 3692 }
3367 3693
3368 Symbol::delete_package $k; 3694 warn "unloading all perl modules loaded from $LIBDIR";
3695 while (my ($k, $v) = each %INC) {
3696 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3697
3698 warn "... unloading $k";
3699 delete $INC{$k};
3700
3701 $k =~ s/\.pm$//;
3702 $k =~ s/\//::/g;
3703
3704 if (my $cb = $k->can ("unload_module")) {
3705 $cb->();
3706 }
3707
3708 clear_package $k;
3369 } 3709 }
3370 3710
3371 warn "getting rid of safe::, as good as possible"; 3711 warn "getting rid of safe::, as good as possible";
3372 Symbol::delete_package "safe::$_" 3712 clear_package "safe::$_"
3373 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3713 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3374 3714
3375 warn "unloading cf.pm \"a bit\""; 3715 warn "unloading cf.pm \"a bit\"";
3376 delete $INC{"cf.pm"}; 3716 delete $INC{"cf.pm"};
3377 delete $INC{"cf/pod.pm"}; 3717 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3378 3718
3379 # don't, removes xs symbols, too, 3719 # don't, removes xs symbols, too,
3380 # and global variables created in xs 3720 # and global variables created in xs
3381 #Symbol::delete_package __PACKAGE__; 3721 #clear_package __PACKAGE__;
3382 3722
3383 warn "unload completed, starting to reload now"; 3723 warn "unload completed, starting to reload now";
3384 3724
3385 warn "reloading cf.pm"; 3725 warn "reloading cf.pm";
3386 require cf; 3726 require cf;
3387 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3727 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3388 3728
3389 warn "loading config and database again"; 3729 warn "loading config and database again";
3390 cf::reload_config; 3730 cf::reload_config;
3391 3731
3392 warn "loading extensions"; 3732 warn "loading extensions";
3393 cf::load_extensions; 3733 cf::load_extensions;
3394 3734
3735 if ($REATTACH_ON_RELOAD) {
3395 warn "reattaching attachments to objects/players"; 3736 warn "reattaching attachments to objects/players";
3396 _global_reattach; # objects, sockets 3737 _global_reattach; # objects, sockets
3397 warn "reattaching attachments to maps"; 3738 warn "reattaching attachments to maps";
3398 reattach $_ for values %MAP; 3739 reattach $_ for values %MAP;
3399 warn "reattaching attachments to players"; 3740 warn "reattaching attachments to players";
3400 reattach $_ for values %PLAYER; 3741 reattach $_ for values %PLAYER;
3742 }
3401 3743
3744 warn "running post_init jobs";
3745 (pop @POST_INIT)->(1) while @POST_INIT;
3746
3402 warn "leaving sync_job"; 3747 warn "leaving sync_job";
3403 3748
3404 1 3749 1
3405 } or do { 3750 } or do {
3406 warn $@; 3751 warn $@;
3407 warn "error while reloading, exiting."; 3752 cf::cleanup "error while reloading, exiting.";
3408 exit 1;
3409 }; 3753 };
3410 3754
3411 warn "reloaded"; 3755 warn "reloaded";
3756 --$RELOAD;
3757 }
3758
3759 $t1 = EV::time - $t1;
3760 warn "reload completed in ${t1}s\n";
3412}; 3761};
3413 3762
3414our $RELOAD_WATCHER; # used only during reload 3763our $RELOAD_WATCHER; # used only during reload
3415 3764
3416sub reload_perl() { 3765sub reload_perl() {
3417 # doing reload synchronously and two reloads happen back-to-back, 3766 # doing reload synchronously and two reloads happen back-to-back,
3418 # coro crashes during coro_state_free->destroy here. 3767 # coro crashes during coro_state_free->destroy here.
3419 3768
3420 $RELOAD_WATCHER ||= Event->timer ( 3769 $RELOAD_WATCHER ||= cf::async {
3421 reentrant => 0, 3770 Coro::AIO::aio_wait cache_extensions;
3422 after => 0, 3771
3423 data => WF_AUTOCANCEL, 3772 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3424 cb => sub {
3425 do_reload_perl; 3773 do_reload_perl;
3426 undef $RELOAD_WATCHER; 3774 undef $RELOAD_WATCHER;
3427 }, 3775 };
3428 ); 3776 };
3429} 3777}
3430 3778
3431register_command "reload" => sub { 3779register_command "reload" => sub {
3432 my ($who, $arg) = @_; 3780 my ($who, $arg) = @_;
3433 3781
3434 if ($who->flag (FLAG_WIZ)) { 3782 if ($who->flag (FLAG_WIZ)) {
3435 $who->message ("reloading server."); 3783 $who->message ("reloading server.");
3784 async {
3785 $Coro::current->{desc} = "perl_reload";
3436 async { reload_perl }; 3786 reload_perl;
3787 };
3437 } 3788 }
3438}; 3789};
3439 3790
3440unshift @INC, $LIBDIR; 3791unshift @INC, $LIBDIR;
3441 3792
3443 3794
3444our @WAIT_FOR_TICK; 3795our @WAIT_FOR_TICK;
3445our @WAIT_FOR_TICK_BEGIN; 3796our @WAIT_FOR_TICK_BEGIN;
3446 3797
3447sub wait_for_tick { 3798sub wait_for_tick {
3448 return unless $TICK_WATCHER->is_active;
3449 return if $Coro::current == $Coro::main; 3799 return if tick_inhibit || $Coro::current == $Coro::main;
3450 3800
3451 my $signal = new Coro::Signal; 3801 my $signal = new Coro::Signal;
3452 push @WAIT_FOR_TICK, $signal; 3802 push @WAIT_FOR_TICK, $signal;
3453 $signal->wait; 3803 $signal->wait;
3454} 3804}
3455 3805
3456sub wait_for_tick_begin { 3806sub wait_for_tick_begin {
3457 return unless $TICK_WATCHER->is_active;
3458 return if $Coro::current == $Coro::main; 3807 return if tick_inhibit || $Coro::current == $Coro::main;
3459 3808
3460 my $signal = new Coro::Signal; 3809 my $signal = new Coro::Signal;
3461 push @WAIT_FOR_TICK_BEGIN, $signal; 3810 push @WAIT_FOR_TICK_BEGIN, $signal;
3462 $signal->wait; 3811 $signal->wait;
3463} 3812}
3464 3813
3465our $stat_fh; 3814sub tick {
3466sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
3467
3468$TICK_WATCHER = Event->timer (
3469 reentrant => 0,
3470 parked => 1,
3471 prio => 0,
3472 at => $NEXT_TICK || $TICK,
3473 data => WF_AUTOCANCEL,
3474 cb => sub {
3475 if ($Coro::current != $Coro::main) { 3815 if ($Coro::current != $Coro::main) {
3476 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3816 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3477 unless ++$bug_warning > 10; 3817 unless ++$bug_warning > 10;
3478 return; 3818 return;
3479 } 3819 }
3480 3820
3481 my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
3482
3483 $NOW = $tick_start = Event::time;
3484
3485 cf::server_tick; # one server iteration 3821 cf::server_tick; # one server iteration
3486 3822
3487 $RUNTIME += $TICK;
3488 $NEXT_TICK += $TICK;
3489
3490 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3823 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491 $NEXT_RUNTIME_WRITE = $NOW + 10; 3824 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492 Coro::async_pool { 3825 Coro::async_pool {
3826 $Coro::current->{desc} = "runtime saver";
3493 write_runtime 3827 write_runtime_sync
3494 or warn "ERROR: unable to write runtime file: $!"; 3828 or warn "ERROR: unable to write runtime file: $!";
3495 };
3496 } 3829 };
3830 }
3497 3831
3498# my $AFTER = Event::time;
3499# warn $AFTER - $NOW;#d#
3500
3501 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3832 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3502 $sig->send; 3833 $sig->send;
3503 } 3834 }
3504 while (my $sig = shift @WAIT_FOR_TICK) { 3835 while (my $sig = shift @WAIT_FOR_TICK) {
3505 $sig->send; 3836 $sig->send;
3506 } 3837 }
3507 3838
3508 $NOW = Event::time; 3839 $LOAD = ($NOW - $TICK_START) / $TICK;
3509
3510 # if we are delayed by four ticks or more, skip them all
3511 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3512
3513 $TICK_WATCHER->at ($NEXT_TICK);
3514 $TICK_WATCHER->start;
3515
3516 $LOAD = ($NOW - $tick_start) / $TICK;
3517 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3840 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3518 3841
3519 _post_tick; 3842 if (0) {
3520 3843 if ($NEXT_TICK) {
3521 # gather some statistics#d# 3844 my $jitter = $TICK_START - $NEXT_TICK;
3522 $stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d# 3845 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3523 IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d# 3846 warn "jitter $JITTER\n";#d#
3847 }
3524 }, 3848 }
3525); 3849}
3526 3850
3527{ 3851{
3852 # configure BDB
3853
3528 BDB::min_parallel 8; 3854 BDB::min_parallel 8;
3529 BDB::max_poll_time $TICK * 0.1; 3855 BDB::max_poll_reqs $TICK * 0.1;
3530 $BDB_POLL_WATCHER = Event->io ( 3856 $AnyEvent::BDB::WATCHER->priority (1);
3531 reentrant => 0,
3532 fd => BDB::poll_fileno,
3533 poll => 'r',
3534 prio => 0,
3535 data => WF_AUTOCANCEL,
3536 cb => \&BDB::poll_cb,
3537 );
3538
3539 BDB::set_sync_prepare {
3540 my $status;
3541 my $current = $Coro::current;
3542 (
3543 sub {
3544 $status = $!;
3545 $current->ready; undef $current;
3546 },
3547 sub {
3548 Coro::schedule while defined $current;
3549 $! = $status;
3550 },
3551 )
3552 };
3553 3857
3554 unless ($DB_ENV) { 3858 unless ($DB_ENV) {
3555 $DB_ENV = BDB::db_env_create; 3859 $DB_ENV = BDB::db_env_create;
3860 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3861 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3862 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3863 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3864 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3556 3865
3557 cf::sync_job { 3866 cf::sync_job {
3558 eval { 3867 eval {
3559 BDB::db_env_open 3868 BDB::db_env_open
3560 $DB_ENV, 3869 $DB_ENV,
3562 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3871 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3563 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3872 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3564 0666; 3873 0666;
3565 3874
3566 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3875 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3567
3568 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3569 | BDB::LOG_AUTOREMOVE, 1);
3570 $DB_ENV->set_lk_detect;
3571 }; 3876 };
3572 3877
3573 cf::cleanup "db_env_open(db): $@" if $@; 3878 cf::cleanup "db_env_open(db): $@" if $@;
3574 }; 3879 };
3575 } 3880 }
3576 3881
3577 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3882 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3578 after => 11, 3883 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3579 interval => 60, 3884 };
3580 hard => 1, 3885 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581 prio => 0,
3582 data => WF_AUTOCANCEL,
3583 cb => sub {
3584 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3886 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3585 },
3586 ); 3887 };
3587 $BDB_TRICKLE_WATCHER = Event->timer ( 3888 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3588 after => 5,
3589 interval => 10,
3590 hard => 1,
3591 prio => 0,
3592 data => WF_AUTOCANCEL,
3593 cb => sub {
3594 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3889 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3595 },
3596 ); 3890 };
3597} 3891}
3598 3892
3599{ 3893{
3894 # configure IO::AIO
3895
3600 IO::AIO::min_parallel 8; 3896 IO::AIO::min_parallel 8;
3601
3602 undef $Coro::AIO::WATCHER;
3603 IO::AIO::max_poll_time $TICK * 0.1; 3897 IO::AIO::max_poll_time $TICK * 0.1;
3604 $AIO_POLL_WATCHER = Event->io ( 3898 undef $AnyEvent::AIO::WATCHER;
3605 reentrant => 0,
3606 data => WF_AUTOCANCEL,
3607 fd => IO::AIO::poll_fileno,
3608 poll => 'r',
3609 prio => 6,
3610 cb => \&IO::AIO::poll_cb,
3611 );
3612} 3899}
3613 3900
3614my $_log_backtrace; 3901my $_log_backtrace;
3615 3902
3616sub _log_backtrace { 3903sub _log_backtrace {
3619 $msg =~ s/\n//; 3906 $msg =~ s/\n//;
3620 3907
3621 # limit the # of concurrent backtraces 3908 # limit the # of concurrent backtraces
3622 if ($_log_backtrace < 2) { 3909 if ($_log_backtrace < 2) {
3623 ++$_log_backtrace; 3910 ++$_log_backtrace;
3911 my $perl_bt = Carp::longmess $msg;
3624 async { 3912 async {
3913 $Coro::current->{desc} = "abt $msg";
3914
3625 my @bt = fork_call { 3915 my @bt = fork_call {
3626 @addr = map { sprintf "%x", $_ } @addr; 3916 @addr = map { sprintf "%x", $_ } @addr;
3627 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3917 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3628 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3918 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3629 or die "addr2line: $!"; 3919 or die "addr2line: $!";
3637 } 3927 }
3638 3928
3639 @funcs 3929 @funcs
3640 }; 3930 };
3641 3931
3642 LOG llevInfo, "[ABT] $msg\n"; 3932 LOG llevInfo, "[ABT] $perl_bt\n";
3933 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3643 LOG llevInfo, "[ABT] $_\n" for @bt; 3934 LOG llevInfo, "[ABT] $_\n" for @bt;
3644 --$_log_backtrace; 3935 --$_log_backtrace;
3645 }; 3936 };
3646 } else { 3937 } else {
3647 LOG llevInfo, "[ABT] $msg\n"; 3938 LOG llevInfo, "[ABT] $msg\n";
3648 LOG llevInfo, "[ABT] [suppressed]\n"; 3939 LOG llevInfo, "[ABT] [suppressed]\n";
3649 } 3940 }
3650} 3941}
3651 3942
3652# load additional modules 3943# load additional modules
3653use cf::pod; 3944require "cf/$_.pm" for @EXTRA_MODULES;
3654 3945
3655END { cf::emergency_save } 3946END { cf::emergency_save }
3656 3947
36571 39481
3658 3949

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