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Revision 1.368 by root, Wed Sep 12 11:18:25 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42 76
43$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
44 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 79
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 81
52our %COMMAND = (); 82our %COMMAND = ();
53our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
56our %EXTCMD = (); 86our %EXTCMD = ();
57our %EXTICMD = (); 87our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
60 90
61our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
62our @EVENT; 92our @EVENT;
63 93
64our $CONFDIR = confdir; 94our $CONFDIR = confdir;
65our $DATADIR = datadir; 95our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 96our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 97our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 98our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir; 99our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 100our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 101our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 102our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 103our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 104our $BDBDIR = "$LOCALDIR/db";
105our $PIDFILE = "$LOCALDIR/pid";
106our $RUNTIMEFILE = "$LOCALDIR/runtime";
107
108our %RESOURCE;
75 109
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $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 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 112our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
83 114
84our $BDB_POLL_WATCHER; 115our $BDB_DEADLOCK_WATCHER;
85our $BDB_CHECKPOINT_WATCHER; 116our $BDB_CHECKPOINT_WATCHER;
86our $BDB_TRICKLE_WATCHER; 117our $BDB_TRICKLE_WATCHER;
87our $DB_ENV; 118our $DB_ENV;
88 119
120our @EXTRA_MODULES = qw(pod mapscript);
121
89our %CFG; 122our %CFG;
90 123
91our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
92our $RUNTIME; 125our $RUNTIME;
126our $NOW;
93 127
94our (%PLAYER, %PLAYER_LOADING); # all users 128our (%PLAYER, %PLAYER_LOADING); # all users
95our (%MAP, %MAP_LOADING ); # all maps 129our (%MAP, %MAP_LOADING ); # all maps
96our $LINK_MAP; # the special {link} map, which is always available 130our $LINK_MAP; # the special {link} map, which is always available
97 131
98# used to convert map paths into valid unix filenames by replacing / by ∕ 132# used to convert map paths into valid unix filenames by replacing / by ∕
99our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 133our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100 134
101our $LOAD; # a number between 0 (idle) and 1 (too many objects) 135our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
137our $JITTER; # average jitter
103our $tick_start; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
139
140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
104 144
105binmode STDOUT; 145binmode STDOUT;
106binmode STDERR; 146binmode STDERR;
107 147
108# read virtual server time, if available 148# read virtual server time, if available
109unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
110 open my $fh, "<", "$LOCALDIR/runtime" 150 open my $fh, "<", $RUNTIMEFILE
111 or die "unable to read runtime file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
112 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
113} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
114 156
115mkdir $_ 157mkdir $_
116 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117 159
118our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
161 203
162The raw value load value from the last tick. 204The raw value load value from the last tick.
163 205
164=item %cf::CFG 206=item %cf::CFG
165 207
166Configuration for the server, loaded from C</etc/crossfire/config>, or 208Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167from wherever your confdir points to. 209from wherever your confdir points to.
168 210
169=item cf::wait_for_tick, cf::wait_for_tick_begin 211=item cf::wait_for_tick, cf::wait_for_tick_begin
170 212
171These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 213These 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; 234 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
193 235
194 LOG llevError, $msg; 236 LOG llevError, $msg;
195 }; 237 };
196} 238}
239
240$Coro::State::DIEHOOK = sub {
241 return unless $^S eq 0; # "eq", not "=="
242
243 if ($Coro::current == $Coro::main) {#d#
244 warn "DIEHOOK called in main context, Coro bug?\n";#d#
245 return;#d#
246 }#d#
247
248 # kill coroutine otherwise
249 warn Carp::longmess $_[0];
250 Coro::terminate
251};
252
253$SIG{__DIE__} = sub { }; #d#?
197 254
198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 255@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 256@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 257@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 258@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
208for my $pkg (qw( 265for my $pkg (qw(
209 cf::global cf::attachable 266 cf::global cf::attachable
210 cf::object cf::object::player 267 cf::object cf::object::player
211 cf::client cf::player 268 cf::client cf::player
212 cf::arch cf::living 269 cf::arch cf::living
270 cf::map cf::mapspace
213 cf::map cf::party cf::region 271 cf::party cf::region
214)) { 272)) {
215 no strict 'refs';
216 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 273 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217} 274}
218 275
219$Event::DIED = sub { 276$EV::DIED = sub {
220 warn "error in event callback: @_"; 277 warn "error in event callback: @_";
221}; 278};
222 279
223############################################################################# 280#############################################################################
224 281
247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 304 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248 $d 305 $d
249 } || "[unable to dump $_[0]: '$@']"; 306 } || "[unable to dump $_[0]: '$@']";
250} 307}
251 308
252=item $ref = cf::from_json $json 309=item $ref = cf::decode_json $json
253 310
254Converts a JSON string into the corresponding perl data structure. 311Converts a JSON string into the corresponding perl data structure.
255 312
256=item $json = cf::to_json $ref 313=item $json = cf::encode_json $ref
257 314
258Converts a perl data structure into its JSON representation. 315Converts a perl data structure into its JSON representation.
259 316
260=cut 317=cut
261 318
262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 319our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263 320
264sub to_json ($) { $json_coder->encode ($_[0]) } 321sub encode_json($) { $json_coder->encode ($_[0]) }
265sub from_json ($) { $json_coder->decode ($_[0]) } 322sub decode_json($) { $json_coder->decode ($_[0]) }
323
324=item cf::post_init { BLOCK }
325
326Execute the given codeblock, I<after> all extensions have been (re-)loaded,
327but I<before> the server starts ticking again.
328
329The cdoeblock will have a single boolean argument to indicate whether this
330is a reload or not.
331
332=cut
333
334sub post_init(&) {
335 push @POST_INIT, shift;
336}
266 337
267=item cf::lock_wait $string 338=item cf::lock_wait $string
268 339
269Wait until the given lock is available. See cf::lock_acquire. 340Wait until the given lock is available. See cf::lock_acquire.
270 341
271=item my $lock = cf::lock_acquire $string 342=item my $lock = cf::lock_acquire $string
272 343
273Wait until the given lock is available and then acquires it and returns 344Wait 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, 345a L<Guard> object. If the guard object gets destroyed (goes out of scope,
275for example when the coroutine gets canceled), the lock is automatically 346for example when the coroutine gets canceled), the lock is automatically
276returned. 347returned.
277 348
278Locks are *not* recursive, locking from the same coro twice results in a 349Locks are *not* recursive, locking from the same coro twice results in a
279deadlocked coro. 350deadlocked coro.
285 356
286Return true if the lock is currently active, i.e. somebody has locked it. 357Return true if the lock is currently active, i.e. somebody has locked it.
287 358
288=cut 359=cut
289 360
290our %LOCK; 361our $LOCKS = new Coro::SemaphoreSet;
291our %LOCKER;#d#
292 362
293sub lock_wait($) { 363sub lock_wait($) {
294 my ($key) = @_; 364 $LOCKS->wait ($_[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} }, $Coro::current;
304 Coro::schedule;
305 }
306} 365}
307 366
308sub lock_acquire($) { 367sub lock_acquire($) {
309 my ($key) = @_; 368 $LOCKS->guard ($_[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} 369}
323 370
324sub lock_active($) { 371sub lock_active($) {
325 my ($key) = @_; 372 $LOCKS->count ($_[0]) < 1
326
327 ! ! $LOCK{$key}
328} 373}
329 374
330sub freeze_mainloop { 375sub freeze_mainloop {
331 return unless $TICK_WATCHER->is_active; 376 tick_inhibit_inc;
332 377
333 my $guard = Coro::guard { 378 &Guard::guard (\&tick_inhibit_dec);
334 $TICK_WATCHER->start; 379}
335 }; 380
336 $TICK_WATCHER->stop; 381=item cf::periodic $interval, $cb
337 $guard 382
383Like EV::periodic, but randomly selects a starting point so that the actions
384get spread over timer.
385
386=cut
387
388sub periodic($$) {
389 my ($interval, $cb) = @_;
390
391 my $start = rand List::Util::min 180, $interval;
392
393 EV::periodic $start, $interval, 0, $cb
338} 394}
339 395
340=item cf::get_slot $time[, $priority[, $name]] 396=item cf::get_slot $time[, $priority[, $name]]
341 397
342Allocate $time seconds of blocking CPU time at priority C<$priority>: 398Allocate $time seconds of blocking CPU time at priority C<$priority>:
353our @SLOT_QUEUE; 409our @SLOT_QUEUE;
354our $SLOT_QUEUE; 410our $SLOT_QUEUE;
355 411
356$SLOT_QUEUE->cancel if $SLOT_QUEUE; 412$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357$SLOT_QUEUE = Coro::async { 413$SLOT_QUEUE = Coro::async {
414 $Coro::current->desc ("timeslot manager");
415
358 my $signal = new Coro::Signal; 416 my $signal = new Coro::Signal;
359 417
360 while () { 418 while () {
361 next_job: 419 next_job:
362 my $avail = cf::till_tick; 420 my $avail = cf::till_tick;
370 } 428 }
371 } 429 }
372 } 430 }
373 431
374 if (@SLOT_QUEUE) { 432 if (@SLOT_QUEUE) {
375 # we do not use wait_For_tick() as it returns immediately when tick is inactive 433 # we do not use wait_for_tick() as it returns immediately when tick is inactive
376 push @cf::WAIT_FOR_TICK, $signal; 434 push @cf::WAIT_FOR_TICK, $signal;
377 $signal->wait; 435 $signal->wait;
378 } else { 436 } else {
379 Coro::schedule; 437 Coro::schedule;
380 } 438 }
381 } 439 }
382}; 440};
383 441
384sub get_slot($;$$) { 442sub get_slot($;$$) {
443 return if tick_inhibit || $Coro::current == $Coro::main;
444
385 my ($time, $pri, $name) = @_; 445 my ($time, $pri, $name) = @_;
386 446
387 $time = $TICK * .6 if $time > $TICK * .6; 447 $time = $TICK * .6 if $time > $TICK * .6;
388 my $sig = new Coro::Signal; 448 my $sig = new Coro::Signal;
389 449
403 463
404BEGIN { *async = \&Coro::async_pool } 464BEGIN { *async = \&Coro::async_pool }
405 465
406=item cf::sync_job { BLOCK } 466=item cf::sync_job { BLOCK }
407 467
408The design of Crossfire TRT requires that the main coroutine ($Coro::main) 468The design of Deliantra requires that the main coroutine ($Coro::main)
409is always able to handle events or runnable, as Crossfire TRT is only 469is 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 470partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
411acceptable. 471acceptable.
412 472
413If it must be done, put the blocking parts into C<sync_job>. This will run 473If 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 474the given BLOCK in another coroutine while waiting for the result. The
419 479
420sub sync_job(&) { 480sub sync_job(&) {
421 my ($job) = @_; 481 my ($job) = @_;
422 482
423 if ($Coro::current == $Coro::main) { 483 if ($Coro::current == $Coro::main) {
424 my $time = Event::time; 484 my $time = EV::time;
425 485
426 # this is the main coro, too bad, we have to block 486 # this is the main coro, too bad, we have to block
427 # till the operation succeeds, freezing the server :/ 487 # till the operation succeeds, freezing the server :/
428 488
429 # TODO: use suspend/resume instead 489 LOG llevError, Carp::longmess "sync job";#d#
430 # (but this is cancel-safe) 490
431 my $freeze_guard = freeze_mainloop; 491 my $freeze_guard = freeze_mainloop;
432 492
433 my $busy = 1; 493 my $busy = 1;
434 my @res; 494 my @res;
435 495
436 (async { 496 (async {
497 $Coro::current->desc ("sync job coro");
437 @res = eval { $job->() }; 498 @res = eval { $job->() };
438 warn $@ if $@; 499 warn $@ if $@;
439 undef $busy; 500 undef $busy;
440 })->prio (Coro::PRIO_MAX); 501 })->prio (Coro::PRIO_MAX);
441 502
442 while ($busy) { 503 while ($busy) {
443 Coro::cede or Event::one_event; 504 if (Coro::nready) {
505 Coro::cede_notself;
506 } else {
507 EV::loop EV::LOOP_ONESHOT;
444 } 508 }
509 }
445 510
446 $time = Event::time - $time; 511 my $time = EV::time - $time;
447 512
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 513 $TICK_START += $time; # do not account sync jobs to server load
452 514
453 wantarray ? @res : $res[0] 515 wantarray ? @res : $res[0]
454 } else { 516 } else {
455 # we are in another coroutine, how wonderful, everything just works 517 # we are in another coroutine, how wonderful, everything just works
456 518
481=item fork_call { }, $args 543=item fork_call { }, $args
482 544
483Executes the given code block with the given arguments in a seperate 545Executes the given code block with the given arguments in a seperate
484process, returning the results. Everything must be serialisable with 546process, returning the results. Everything must be serialisable with
485Coro::Storable. May, of course, block. Note that the executed sub may 547Coro::Storable. May, of course, block. Note that the executed sub may
486never block itself or use any form of Event handling. 548never block itself or use any form of event handling.
487 549
488=cut 550=cut
489 551
490sub fork_call(&@) { 552sub fork_call(&@) {
491 my ($cb, @args) = @_; 553 my ($cb, @args) = @_;
498 reset_signals; 560 reset_signals;
499 &$cb 561 &$cb
500 }, @args; 562 }, @args;
501 563
502 wantarray ? @res : $res[-1] 564 wantarray ? @res : $res[-1]
565}
566
567=item $coin = coin_from_name $name
568
569=cut
570
571our %coin_alias = (
572 "silver" => "silvercoin",
573 "silvercoin" => "silvercoin",
574 "silvercoins" => "silvercoin",
575 "gold" => "goldcoin",
576 "goldcoin" => "goldcoin",
577 "goldcoins" => "goldcoin",
578 "platinum" => "platinacoin",
579 "platinumcoin" => "platinacoin",
580 "platinumcoins" => "platinacoin",
581 "platina" => "platinacoin",
582 "platinacoin" => "platinacoin",
583 "platinacoins" => "platinacoin",
584 "royalty" => "royalty",
585 "royalties" => "royalty",
586);
587
588sub coin_from_name($) {
589 $coin_alias{$_[0]}
590 ? cf::arch::find $coin_alias{$_[0]}
591 : undef
503} 592}
504 593
505=item $value = cf::db_get $family => $key 594=item $value = cf::db_get $family => $key
506 595
507Returns a single value from the environment database. 596Returns a single value from the environment database.
646 735
647############################################################################# 736#############################################################################
648 737
649=head2 ATTACHABLE OBJECTS 738=head2 ATTACHABLE OBJECTS
650 739
651Many objects in crossfire are so-called attachable objects. That means you can 740Many objects in deliantra are so-called attachable objects. That means you can
652attach callbacks/event handlers (a collection of which is called an "attachment") 741attach callbacks/event handlers (a collection of which is called an "attachment")
653to it. All such attachable objects support the following methods. 742to it. All such attachable objects support the following methods.
654 743
655In the following description, CLASS can be any of C<global>, C<object> 744In 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 745C<player>, C<client> or C<map> (i.e. the attachable objects in
657Crossfire TRT). 746Deliantra).
658 747
659=over 4 748=over 4
660 749
661=item $attachable->attach ($attachment, key => $value...) 750=item $attachable->attach ($attachment, key => $value...)
662 751
706=item cf::CLASS::attachment $name, ... 795=item cf::CLASS::attachment $name, ...
707 796
708Register an attachment by C<$name> through which attachable objects of the 797Register an attachment by C<$name> through which attachable objects of the
709given CLASS can refer to this attachment. 798given CLASS can refer to this attachment.
710 799
711Some classes such as crossfire maps and objects can specify attachments 800Some classes such as deliantra maps and objects can specify attachments
712that are attached at load/instantiate time, thus the need for a name. 801that are attached at load/instantiate time, thus the need for a name.
713 802
714These calls expect any number of the following handler/hook descriptions: 803These calls expect any number of the following handler/hook descriptions:
715 804
716=over 4 805=over 4
944 } 1033 }
945 1034
946 0 1035 0
947} 1036}
948 1037
949=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950 1039
951=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1040=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952 1041
953Generate an object-specific event with the given arguments. 1042Generate an object-specific event with the given arguments.
954 1043
960 1049
961=cut 1050=cut
962 1051
963############################################################################# 1052#############################################################################
964# object support 1053# object support
965#
966 1054
1055sub _object_equal($$);
1056sub _object_equal($$) {
1057 my ($a, $b) = @_;
1058
1059 return 0 unless (ref $a) eq (ref $b);
1060
1061 if ("HASH" eq ref $a) {
1062 my @ka = keys %$a;
1063 my @kb = keys %$b;
1064
1065 return 0 if @ka != @kb;
1066
1067 for (0 .. $#ka) {
1068 return 0 unless $ka[$_] eq $kb[$_];
1069 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1070 }
1071
1072 } elsif ("ARRAY" eq ref $a) {
1073
1074 return 0 if @$a != @$b;
1075
1076 for (0 .. $#$a) {
1077 return 0 unless _object_equal $a->[$_], $b->[$_];
1078 }
1079
1080 } elsif ($a ne $b) {
1081 return 0;
1082 }
1083
1084 1
1085}
1086
1087our $SLOW_MERGES;#d#
967sub _can_merge { 1088sub _can_merge {
968 my ($ob1, $ob2) = @_; 1089 my ($ob1, $ob2) = @_;
969 1090
970 local $Storable::canonical = 1; 1091 ++$SLOW_MERGES;#d#
971 my $fob1 = Storable::freeze $ob1;
972 my $fob2 = Storable::freeze $ob2;
973 1092
974 $fob1 eq $fob2 1093 # we do the slow way here
1094 return _object_equal $ob1, $ob2
975} 1095}
976 1096
977sub reattach { 1097sub reattach {
978 # basically do the same as instantiate, without calling instantiate 1098 # basically do the same as instantiate, without calling instantiate
979 my ($obj) = @_; 1099 my ($obj) = @_;
980 1100
1101 # no longer needed after getting rid of delete_package?
981 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1102 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
982 1103
983 my $registry = $obj->registry; 1104 my $registry = $obj->registry;
984 1105
985 @$registry = (); 1106 @$registry = ();
986 1107
1001cf::attachable->attach ( 1122cf::attachable->attach (
1002 prio => -1000000, 1123 prio => -1000000,
1003 on_instantiate => sub { 1124 on_instantiate => sub {
1004 my ($obj, $data) = @_; 1125 my ($obj, $data) = @_;
1005 1126
1006 $data = from_json $data; 1127 $data = decode_json $data;
1007 1128
1008 for (@$data) { 1129 for (@$data) {
1009 my ($name, $args) = @$_; 1130 my ($name, $args) = @$_;
1010 1131
1011 $obj->attach ($name, %{$args || {} }); 1132 $obj->attach ($name, %{$args || {} });
1024 }, 1145 },
1025); 1146);
1026 1147
1027sub object_freezer_save { 1148sub object_freezer_save {
1028 my ($filename, $rdata, $objs) = @_; 1149 my ($filename, $rdata, $objs) = @_;
1029
1030 my $guard = cf::lock_acquire "io";
1031 1150
1032 sync_job { 1151 sync_job {
1033 if (length $$rdata) { 1152 if (length $$rdata) {
1034 utf8::decode (my $decname = $filename); 1153 utf8::decode (my $decname = $filename);
1035 warn sprintf "saving %s (%d,%d)\n", 1154 warn sprintf "saving %s (%d,%d)\n",
1036 $decname, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
1037 1156
1038 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039 chmod SAVE_MODE, $fh; 1158 aio_chmod $fh, SAVE_MODE;
1040 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041 aio_fsync $fh if $cf::USE_FSYNC; 1160 if ($cf::USE_FSYNC) {
1161 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1162 aio_fsync $fh;
1163 }
1042 close $fh; 1164 aio_close $fh;
1043 1165
1044 if (@$objs) { 1166 if (@$objs) {
1045 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1167 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1046 chmod SAVE_MODE, $fh; 1168 aio_chmod $fh, SAVE_MODE;
1047 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
1049 aio_fsync $fh if $cf::USE_FSYNC; 1171 if ($cf::USE_FSYNC) {
1172 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1173 aio_fsync $fh;
1174 }
1050 close $fh; 1175 aio_close $fh;
1051 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
1052 } 1177 }
1053 } else { 1178 } else {
1054 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
1055 } 1180 }
1056 1181
1057 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
1058 } else { 1186 } else {
1059 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
1060 } 1188 }
1061 } else { 1189 } else {
1062 aio_unlink $filename; 1190 aio_unlink $filename;
1063 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
1064 } 1192 }
1065 }; 1193 };
1066
1067 undef $guard;
1068} 1194}
1069 1195
1070sub object_freezer_as_string { 1196sub object_freezer_as_string {
1071 my ($rdata, $objs) = @_; 1197 my ($rdata, $objs) = @_;
1072 1198
1077 1203
1078sub object_thawer_load { 1204sub object_thawer_load {
1079 my ($filename) = @_; 1205 my ($filename) = @_;
1080 1206
1081 my ($data, $av); 1207 my ($data, $av);
1082
1083 my $guard = cf::lock_acquire "io";
1084 1208
1085 (aio_load $filename, $data) >= 0 1209 (aio_load $filename, $data) >= 0
1086 or return; 1210 or return;
1087 1211
1088 unless (aio_stat "$filename.pst") { 1212 unless (aio_stat "$filename.pst") {
1089 (aio_load "$filename.pst", $av) >= 0 1213 (aio_load "$filename.pst", $av) >= 0
1090 or return; 1214 or return;
1091 1215
1092 undef $guard;
1093 $av = eval { (Storable::thaw $av)->{objs} }; 1216 my $st = eval { Coro::Storable::thaw $av };
1217 $av = $st->{objs};
1094 } 1218 }
1095 1219
1096 utf8::decode (my $decname = $filename); 1220 utf8::decode (my $decname = $filename);
1097 warn sprintf "loading %s (%d,%d)\n", 1221 warn sprintf "loading %s (%d,%d)\n",
1098 $decname, length $data, scalar @{$av || []}; 1222 $decname, length $data, scalar @{$av || []};
1159 my ($name, $cb) = @_; 1283 my ($name, $cb) = @_;
1160 1284
1161 $EXTICMD{$name} = $cb; 1285 $EXTICMD{$name} = $cb;
1162} 1286}
1163 1287
1288use File::Glob ();
1289
1164cf::player->attach ( 1290cf::player->attach (
1165 on_command => sub { 1291 on_command => sub {
1166 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
1167 1293
1168 my $cb = $COMMAND{$name} 1294 my $cb = $COMMAND{$name}
1200 1326
1201 cf::override; 1327 cf::override;
1202 }, 1328 },
1203); 1329);
1204 1330
1331# "readahead" all extensions
1332sub cache_extensions {
1333 my $grp = IO::AIO::aio_group;
1334
1335 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1336 for (grep /\.ext$/, @{$_[0]}) {
1337 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1338 }
1339 };
1340
1341 $grp
1342}
1343
1205sub load_extensions { 1344sub load_extensions {
1206 cf::sync_job { 1345 cf::sync_job {
1207 my %todo; 1346 my %todo;
1208 1347
1209 for my $path (<$LIBDIR/*.ext>) { 1348 for my $path (<$LIBDIR/*.ext>) {
1228 1367
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1368 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1369 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1370
1232 $ext{source} = 1371 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1372 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1234 . "#line 1 \"$path\"\n{\n" 1373 . "#line 1 \"$path\"\n{\n"
1235 . $source 1374 . $source
1236 . "\n};\n1"; 1375 . "\n};\n1";
1237 1376
1238 $todo{$base} = \%ext; 1377 $todo{$base} = \%ext;
1254 my $msg = $@ ? "$v->{path}: $@\n" 1393 my $msg = $@ ? "$v->{path}: $@\n"
1255 : "$v->{base}: extension inactive.\n"; 1394 : "$v->{base}: extension inactive.\n";
1256 1395
1257 if (exists $v->{meta}{mandatory}) { 1396 if (exists $v->{meta}{mandatory}) {
1258 warn $msg; 1397 warn $msg;
1259 warn "mandatory extension failed to load, exiting.\n"; 1398 cf::cleanup "mandatory extension failed to load, exiting.";
1260 exit 1;
1261 } 1399 }
1262 1400
1263 warn $msg; 1401 warn $msg;
1264 } 1402 }
1265 1403
1279 1417
1280=back 1418=back
1281 1419
1282=head2 CORE EXTENSIONS 1420=head2 CORE EXTENSIONS
1283 1421
1284Functions and methods that extend core crossfire objects. 1422Functions and methods that extend core deliantra objects.
1285 1423
1286=cut 1424=cut
1287 1425
1288package cf::player; 1426package cf::player;
1289 1427
1332 1470
1333sub exists($) { 1471sub exists($) {
1334 my ($login) = @_; 1472 my ($login) = @_;
1335 1473
1336 $cf::PLAYER{$login} 1474 $cf::PLAYER{$login}
1337 or cf::sync_job { !aio_stat path $login } 1475 or !aio_stat path $login
1338} 1476}
1339 1477
1340sub find($) { 1478sub find($) {
1341 return $cf::PLAYER{$_[0]} || do { 1479 return $cf::PLAYER{$_[0]} || do {
1342 my $login = $_[0]; 1480 my $login = $_[0];
1352 aio_unlink +(playerdir $login) . "/$login.pl"; 1490 aio_unlink +(playerdir $login) . "/$login.pl";
1353 1491
1354 my $f = new_from_file cf::object::thawer path $login 1492 my $f = new_from_file cf::object::thawer path $login
1355 or return; 1493 or return;
1356 1494
1357 $f->next;
1358 my $pl = cf::player::load_pl $f 1495 my $pl = cf::player::load_pl $f
1359 or return; 1496 or return;
1497
1360 local $cf::PLAYER_LOADING{$login} = $pl; 1498 local $cf::PLAYER_LOADING{$login} = $pl;
1361 $f->resolve_delayed_derefs; 1499 $f->resolve_delayed_derefs;
1362 $cf::PLAYER{$login} = $pl 1500 $cf::PLAYER{$login} = $pl
1363 } 1501 }
1364 } 1502 }
1374 1512
1375 return if $pl->{deny_save}; 1513 return if $pl->{deny_save};
1376 1514
1377 aio_mkdir playerdir $pl, 0770; 1515 aio_mkdir playerdir $pl, 0770;
1378 $pl->{last_save} = $cf::RUNTIME; 1516 $pl->{last_save} = $cf::RUNTIME;
1517
1518 cf::get_slot 0.01;
1379 1519
1380 $pl->save_pl ($path); 1520 $pl->save_pl ($path);
1381 cf::cede_to_tick; 1521 cf::cede_to_tick;
1382} 1522}
1383 1523
1415 my ($pl) = @_; 1555 my ($pl) = @_;
1416 1556
1417 my $name = $pl->ob->name; 1557 my $name = $pl->ob->name;
1418 1558
1419 $pl->{deny_save} = 1; 1559 $pl->{deny_save} = 1;
1420 $pl->password ("*"); # this should lock out the player until we nuked the dir 1560 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1421 1561
1422 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1562 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423 $pl->deactivate; 1563 $pl->deactivate;
1564 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1565 $pl->ob->check_score;
1424 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1566 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1425 $pl->ns->destroy if $pl->ns; 1567 $pl->ns->destroy if $pl->ns;
1426 1568
1427 my $path = playerdir $pl; 1569 my $path = playerdir $pl;
1428 my $temp = "$path~$cf::RUNTIME~deleting~"; 1570 my $temp = "$path~$cf::RUNTIME~deleting~";
1467 1609
1468 for my $login (@$dirs) { 1610 for my $login (@$dirs) {
1469 my $path = path $login; 1611 my $path = path $login;
1470 1612
1471 # a .pst is a dead give-away for a valid player 1613 # a .pst is a dead give-away for a valid player
1472 unless (-e "$path.pst") { 1614 # if no pst file found, open and chekc for blocked users
1615 if (aio_stat "$path.pst") {
1473 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1616 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474 aio_read $fh, 0, 512, my $buf, 0 or next; 1617 aio_read $fh, 0, 512, my $buf, 0 or next;
1475 $buf !~ /^password -------------$/m or next; # official not-valid tag 1618 $buf !~ /^password -------------$/m or next; # official not-valid tag
1476 } 1619 }
1477 1620
1508 } 1651 }
1509 1652
1510 \@paths 1653 \@paths
1511} 1654}
1512 1655
1513=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1656=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514 1657
1515Expand crossfire pod fragments into protocol xml. 1658Expand 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 1659
1564=item $player->ext_reply ($msgid, @msg) 1660=item $player->ext_reply ($msgid, @msg)
1565 1661
1566Sends an ext reply to the player. 1662Sends an ext reply to the player.
1567 1663
1634our $MAX_RESET = 3600; 1730our $MAX_RESET = 3600;
1635our $DEFAULT_RESET = 3000; 1731our $DEFAULT_RESET = 3000;
1636 1732
1637sub generate_random_map { 1733sub generate_random_map {
1638 my ($self, $rmp) = @_; 1734 my ($self, $rmp) = @_;
1735
1736 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1737
1639 # mit "rum" bekleckern, nicht 1738 # mit "rum" bekleckern, nicht
1640 $self->_create_random_map ( 1739 $self->_create_random_map (
1641 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1740 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1741 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1742 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1765 1864
1766# the temporary/swap location 1865# the temporary/swap location
1767sub save_path { 1866sub save_path {
1768 my ($self) = @_; 1867 my ($self) = @_;
1769 1868
1770 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771 "$TMPDIR/$path.map" 1870 "$TMPDIR/$path.map"
1772} 1871}
1773 1872
1774# the unique path, undef == no special unique path 1873# the unique path, undef == no special unique path
1775sub uniq_path { 1874sub uniq_path {
1776 my ($self) = @_; 1875 my ($self) = @_;
1777 1876
1778 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779 "$UNIQUEDIR/$path" 1878 "$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} 1879}
1790 1880
1791sub decay_objects { 1881sub decay_objects {
1792 my ($self) = @_; 1882 my ($self) = @_;
1793 1883
1877sub find { 1967sub find {
1878 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1879 1969
1880 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1881 1971
1882 cf::lock_wait "map_data:$path";#d#remove 1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1884 1974
1885 $cf::MAP{$path} || do { 1975 $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 1976 my $map = new_from_path cf::map $path
1890 or return; 1977 or return;
1891 1978
1892 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1893 1980
1895 or return; 1982 or return;
1896 1983
1897 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1984 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898 # doing this can freeze the server in a sync job, obviously 1985 # doing this can freeze the server in a sync job, obviously
1899 #$cf::WAIT_FOR_TICK->wait; 1986 #$cf::WAIT_FOR_TICK->wait;
1987 undef $guard2;
1900 undef $guard1; 1988 undef $guard1;
1901 undef $guard2;
1902 $map->reset; 1989 $map->reset;
1903 return find $path; 1990 return find $path;
1904 } 1991 }
1905 1992
1906 $cf::MAP{$path} = $map 1993 $cf::MAP{$path} = $map
1933 my $f = new_from_file cf::object::thawer $self->{load_path}; 2020 my $f = new_from_file cf::object::thawer $self->{load_path};
1934 $f->skip_block; 2021 $f->skip_block;
1935 $self->_load_objects ($f) 2022 $self->_load_objects ($f)
1936 or return; 2023 or return;
1937 2024
1938 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2025 $self->post_load_original
1939 if delete $self->{load_original}; 2026 if delete $self->{load_original};
1940 2027
1941 if (my $uniq = $self->uniq_path) { 2028 if (my $uniq = $self->uniq_path) {
1942 utf8::encode $uniq; 2029 utf8::encode $uniq;
1943 unless (aio_stat $uniq) { 2030 unless (aio_stat $uniq) {
1961 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
1962 $self->decay_objects; 2049 $self->decay_objects;
1963 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
1964 $self->update_buttons; 2051 $self->update_buttons;
1965 cf::cede_to_tick; 2052 cf::cede_to_tick;
1966 $self->set_darkness_map;
1967 cf::cede_to_tick;
1968 $self->activate; 2053 $self->activate;
1969 } 2054 }
1970 2055
1971 $self->{last_save} = $cf::RUNTIME; 2056 $self->{last_save} = $cf::RUNTIME;
1972 $self->last_access ($cf::RUNTIME); 2057 $self->last_access ($cf::RUNTIME);
1973 2058
1974 $self->in_memory (cf::MAP_IN_MEMORY); 2059 $self->in_memory (cf::MAP_ACTIVE);
1975 } 2060 }
1976 2061
1977 $self->post_load; 2062 $self->post_load;
1978} 2063}
1979 2064
2037 my ($path, $origin, $load) = @_; 2122 my ($path, $origin, $load) = @_;
2038 2123
2039 $path = normalise $path, $origin && $origin->{path}; 2124 $path = normalise $path, $origin && $origin->{path};
2040 2125
2041 if (my $map = $cf::MAP{$path}) { 2126 if (my $map = $cf::MAP{$path}) {
2042 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2127 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043 } 2128 }
2044 2129
2045 $MAP_PREFETCH{$path} |= $load; 2130 $MAP_PREFETCH{$path} |= $load;
2046 2131
2047 $MAP_PREFETCHER ||= cf::async { 2132 $MAP_PREFETCHER ||= cf::async {
2133 $Coro::current->{desc} = "map prefetcher";
2134
2048 while (%MAP_PREFETCH) { 2135 while (%MAP_PREFETCH) {
2049 while (my ($k, $v) = each %MAP_PREFETCH) { 2136 while (my ($k, $v) = each %MAP_PREFETCH) {
2050 if (my $map = find $k) { 2137 if (my $map = find $k) {
2051 $map->load if $v; 2138 $map->load if $v;
2052 } 2139 }
2078 return if $self->{deny_save}; 2165 return if $self->{deny_save};
2079 2166
2080 local $self->{last_access} = $self->last_access;#d# 2167 local $self->{last_access} = $self->last_access;#d#
2081 2168
2082 cf::async { 2169 cf::async {
2170 $Coro::current->{desc} = "map player save";
2083 $_->contr->save for $self->players; 2171 $_->contr->save for $self->players;
2084 }; 2172 };
2173
2174 cf::get_slot 0.02;
2085 2175
2086 if ($uniq) { 2176 if ($uniq) {
2087 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2177 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2178 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2089 } else { 2179 } else {
2098 $self->save; 2188 $self->save;
2099 2189
2100 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2190 my $lock = cf::lock_acquire "map_data:$self->{path}";
2101 2191
2102 return if $self->players; 2192 return if $self->players;
2103 return if $self->in_memory != cf::MAP_IN_MEMORY; 2193 return if $self->in_memory != cf::MAP_ACTIVE;
2104 return if $self->{deny_save}; 2194 return if $self->{deny_save};
2105 2195
2106 $self->in_memory (cf::MAP_SWAPPED); 2196 $self->in_memory (cf::MAP_SWAPPED);
2107 2197
2108 $self->deactivate; 2198 $self->deactivate;
2226 2316
2227sub unique_maps() { 2317sub unique_maps() {
2228 [ 2318 [
2229 map { 2319 map {
2230 utf8::decode $_; 2320 utf8::decode $_;
2231 /\.map$/ 2321 s/\.map$//; # TODO future compatibility hack
2322 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2323 ? ()
2232 ? normalise $_ 2324 : normalise $_
2233 : ()
2234 } @{ aio_readdir $UNIQUEDIR or [] } 2325 } @{ aio_readdir $UNIQUEDIR or [] }
2235 ] 2326 ]
2236} 2327}
2237 2328
2238package cf;
2239
2240=back 2329=back
2241 2330
2242=head3 cf::object 2331=head3 cf::object
2243 2332
2244=cut 2333=cut
2247 2336
2248=over 4 2337=over 4
2249 2338
2250=item $ob->inv_recursive 2339=item $ob->inv_recursive
2251 2340
2252Returns the inventory of the object _and_ their inventories, recursively. 2341Returns the inventory of the object I<and> their inventories, recursively,
2342but I<not> the object itself.
2253 2343
2254=cut 2344=cut
2255 2345
2256sub inv_recursive_; 2346sub inv_recursive_;
2257sub inv_recursive_ { 2347sub inv_recursive_ {
2262 inv_recursive_ inv $_[0] 2352 inv_recursive_ inv $_[0]
2263} 2353}
2264 2354
2265=item $ref = $ob->ref 2355=item $ref = $ob->ref
2266 2356
2267creates and returns a persistent reference to an objetc that can be stored as a string. 2357Creates and returns a persistent reference to an object that can be stored as a string.
2268 2358
2269=item $ob = cf::object::deref ($refstring) 2359=item $ob = cf::object::deref ($refstring)
2270 2360
2271returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2361returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2272even if the object actually exists. May block. 2362even if the object actually exists. May block.
2274=cut 2364=cut
2275 2365
2276sub deref { 2366sub deref {
2277 my ($ref) = @_; 2367 my ($ref) = @_;
2278 2368
2279 # temporary compatibility#TODO#remove
2280 $ref =~ s{^<}{player/<};
2281
2282 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2369 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283 my ($uuid, $name) = ($1, $2); 2370 my ($uuid, $name) = ($1, $2);
2284 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2371 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285 or return; 2372 or return;
2286 $pl->ob->uuid eq $uuid 2373 $pl->ob->uuid eq $uuid
2287 or return; 2374 or return;
2307can be C<undef>. Does the right thing when the player is currently in a 2394can be C<undef>. Does the right thing when the player is currently in a
2308dialogue with the given NPC character. 2395dialogue with the given NPC character.
2309 2396
2310=cut 2397=cut
2311 2398
2399our $SAY_CHANNEL = {
2400 id => "say",
2401 title => "Map",
2402 reply => "say ",
2403 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2404};
2405
2406our $CHAT_CHANNEL = {
2407 id => "chat",
2408 title => "Chat",
2409 reply => "chat ",
2410 tooltip => "Player chat and shouts, global to the server.",
2411};
2412
2312# rough implementation of a future "reply" method that works 2413# rough implementation of a future "reply" method that works
2313# with dialog boxes. 2414# with dialog boxes.
2314#TODO: the first argument must go, split into a $npc->reply_to ( method 2415#TODO: the first argument must go, split into a $npc->reply_to ( method
2315sub cf::object::player::reply($$$;$) { 2416sub cf::object::player::reply($$$;$) {
2316 my ($self, $npc, $msg, $flags) = @_; 2417 my ($self, $npc, $msg, $flags) = @_;
2327 my $dialog = $pl->{npc_dialog}; 2428 my $dialog = $pl->{npc_dialog};
2328 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2429 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329 2430
2330 } else { 2431 } else {
2331 $msg = $npc->name . " says: $msg" if $npc; 2432 $msg = $npc->name . " says: $msg" if $npc;
2332 $self->message ($msg, $flags); 2433 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333 } 2434 }
2334 } 2435 }
2335} 2436}
2336 2437
2337=item $object->send_msg ($channel, $msg, $color, [extra...]) 2438=item $object->send_msg ($channel, $msg, $color, [extra...])
2362 2463
2363=item $player_object->enter_link 2464=item $player_object->enter_link
2364 2465
2365Freezes the player and moves him/her to a special map (C<{link}>). 2466Freezes the player and moves him/her to a special map (C<{link}>).
2366 2467
2367The player should be reasonably safe there for short amounts of time. You 2468The player should be reasonably safe there for short amounts of time (e.g.
2368I<MUST> call C<leave_link> as soon as possible, though. 2469for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2470though, as the palyer cannot control the character while it is on the link
2471map.
2369 2472
2370Will never block. 2473Will never block.
2371 2474
2372=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
2373 2476
2431 2534
2432 $map->load; 2535 $map->load;
2433 $map->load_neighbours; 2536 $map->load_neighbours;
2434 2537
2435 return unless $self->contr->active; 2538 return unless $self->contr->active;
2539 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2436 $self->activate_recursive; 2540 $self->activate_recursive;
2437 2541
2438 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2542 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439 $self->enter_map ($map, $x, $y); 2543 $self->enter_map ($map, $x, $y);
2440} 2544}
2445her, loading and preparing them map, calling the provided $check callback 2549her, loading and preparing them map, calling the provided $check callback
2446that has to return the map if sucecssful, and then unfreezes the player on 2550that 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 2551the new (success) or old (failed) map position. In either case, $done will
2448be called at the end of this process. 2552be called at the end of this process.
2449 2553
2554Note that $check will be called with a potentially non-loaded map, so if
2555it needs a loaded map it has to call C<< ->load >>.
2556
2450=cut 2557=cut
2451 2558
2452our $GOTOGEN; 2559our $GOTOGEN;
2453 2560
2454sub cf::object::player::goto { 2561sub cf::object::player::goto {
2458 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2565 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459 2566
2460 $self->enter_link; 2567 $self->enter_link;
2461 2568
2462 (async { 2569 (async {
2570 $Coro::current->{desc} = "player::goto $path $x $y";
2571
2463 # *tag paths override both path and x|y 2572 # *tag paths override both path and x|y
2464 if ($path =~ /^\*(.*)$/) { 2573 if ($path =~ /^\*(.*)$/) {
2465 if (my @obs = grep $_->map, ext::map_tags::find $1) { 2574 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466 my $ob = $obs[rand @obs]; 2575 my $ob = $obs[rand @obs];
2467 2576
2468 # see if we actually can go there 2577 # see if we actually can go there
2469 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) { 2578 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2470 $ob = $obs[rand @obs]; 2579 $ob = $obs[rand @obs];
2580 } else {
2581 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2471 } 2582 }
2472 # else put him there anyways for now #d# 2583 # else put us there anyways for now #d#
2473 2584
2474 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y); 2585 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2586 } else {
2587 ($path, $x, $y) = (undef, undef, undef);
2475 } 2588 }
2476 } 2589 }
2477 2590
2478 my $map = eval { 2591 my $map = eval {
2479 my $map = cf::map::find $path; 2592 my $map = defined $path ? cf::map::find $path : undef;
2480 2593
2481 if ($map) { 2594 if ($map) {
2482 $map = $map->customise_for ($self); 2595 $map = $map->customise_for ($self);
2483 $map = $check->($map) if $check && $map; 2596 $map = $check->($map) if $check && $map;
2484 } else { 2597 } else {
2485 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2598 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2486 } 2599 }
2487 2600
2488 $map 2601 $map
2489 }; 2602 };
2490 2603
2526} 2639}
2527 2640
2528sub prepare_random_map { 2641sub prepare_random_map {
2529 my ($exit) = @_; 2642 my ($exit) = @_;
2530 2643
2531 my $guard = cf::lock_acquire "exit_prepare:$exit";
2532
2533 # all this does is basically replace the /! path by 2644 # all this does is basically replace the /! path by
2534 # a new random map path (?random/...) with a seed 2645 # a new random map path (?random/...) with a seed
2535 # that depends on the exit object 2646 # that depends on the exit object
2536 2647
2537 my $rmp = parse_random_map_params $exit->msg; 2648 my $rmp = parse_random_map_params $exit->msg;
2539 if ($exit->map) { 2650 if ($exit->map) {
2540 $rmp->{region} = $exit->region->name; 2651 $rmp->{region} = $exit->region->name;
2541 $rmp->{origin_map} = $exit->map->path; 2652 $rmp->{origin_map} = $exit->map->path;
2542 $rmp->{origin_x} = $exit->x; 2653 $rmp->{origin_x} = $exit->x;
2543 $rmp->{origin_y} = $exit->y; 2654 $rmp->{origin_y} = $exit->y;
2655
2656 $exit->map->touch;
2544 } 2657 }
2545 2658
2546 $rmp->{random_seed} ||= $exit->random_seed; 2659 $rmp->{random_seed} ||= $exit->random_seed;
2547 2660
2548 my $data = cf::to_json $rmp; 2661 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2549 my $md5 = Digest::MD5::md5_hex $data; 2662 my $md5 = Digest::MD5::md5_hex $data;
2550 my $meta = "$RANDOMDIR/$md5.meta"; 2663 my $meta = "$RANDOMDIR/$md5.meta";
2551 2664
2552 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2665 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2553 aio_write $fh, 0, (length $data), $data, 0; 2666 aio_write $fh, 0, (length $data), $data, 0;
2554 undef $fh; 2667 undef $fh;
2555 aio_rename "$meta~", $meta; 2668 aio_rename "$meta~", $meta;
2556 2669
2670 my $slaying = "?random/$md5";
2671
2672 if ($exit->valid) {
2557 $exit->slaying ("?random/$md5"); 2673 $exit->slaying ("?random/$md5");
2558 $exit->msg (undef); 2674 $exit->msg (undef);
2675 }
2559 } 2676 }
2560} 2677}
2561 2678
2562sub cf::object::player::enter_exit { 2679sub cf::object::player::enter_exit {
2563 my ($self, $exit) = @_; 2680 my ($self, $exit) = @_;
2564 2681
2565 return unless $self->type == cf::PLAYER; 2682 return unless $self->type == cf::PLAYER;
2566 2683
2567 if ($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; 2684 $self->enter_link;
2579 2685
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 { 2686 (async {
2585 $self->deactivate_recursive; # just to be sure 2687 $Coro::current->{desc} = "enter_exit";
2688
2586 unless (eval { 2689 unless (eval {
2690 $self->deactivate_recursive; # just to be sure
2691
2692 # random map handling
2693 {
2694 my $guard = cf::lock_acquire "exit_prepare:$exit";
2695
2696 prepare_random_map $exit
2697 if $exit->slaying eq "/!";
2698 }
2699
2700 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2701 my $x = $exit->stats->hp;
2702 my $y = $exit->stats->sp;
2703
2587 $self->goto ($slaying, $hp, $sp); 2704 $self->goto ($map, $x, $y);
2588 2705
2706 # if exit is damned, update players death & WoR home-position
2707 $self->contr->savebed ($map, $x, $y)
2708 if $exit->flag (cf::FLAG_DAMNED);
2709
2589 1; 2710 1
2590 }) { 2711 }) {
2591 $self->message ("Something went wrong deep within the crossfire server. " 2712 $self->message ("Something went wrong deep within the deliantra server. "
2592 . "I'll try to bring you back to the map you were before. " 2713 . "I'll try to bring you back to the map you were before. "
2593 . "Please report this to the dungeon master!", 2714 . "Please report this to the dungeon master!",
2594 cf::NDI_UNIQUE | cf::NDI_RED); 2715 cf::NDI_UNIQUE | cf::NDI_RED);
2595 2716
2596 warn "ERROR in enter_exit: $@"; 2717 warn "ERROR in enter_exit: $@";
2624the message, with C<log> being the default. If C<$color> is negative, suppress 2745the message, with C<log> being the default. If C<$color> is negative, suppress
2625the message unless the client supports the msg packet. 2746the message unless the client supports the msg packet.
2626 2747
2627=cut 2748=cut
2628 2749
2750# non-persistent channels (usually the info channel)
2629our %CHANNEL = ( 2751our %CHANNEL = (
2630 "c/identify" => { 2752 "c/identify" => {
2631 id => "identify", 2753 id => "infobox",
2632 title => "Identify", 2754 title => "Identify",
2633 reply => undef, 2755 reply => undef,
2634 tooltip => "Items recently identified", 2756 tooltip => "Items recently identified",
2635 }, 2757 },
2636 "c/examine" => { 2758 "c/examine" => {
2637 id => "examine", 2759 id => "infobox",
2638 title => "Examine", 2760 title => "Examine",
2639 reply => undef, 2761 reply => undef,
2640 tooltip => "Signs and other items you examined", 2762 tooltip => "Signs and other items you examined",
2641 }, 2763 },
2764 "c/book" => {
2765 id => "infobox",
2766 title => "Book",
2767 reply => undef,
2768 tooltip => "The contents of a note or book",
2769 },
2770 "c/lookat" => {
2771 id => "infobox",
2772 title => "Look",
2773 reply => undef,
2774 tooltip => "What you saw there",
2775 },
2776 "c/who" => {
2777 id => "infobox",
2778 title => "Players",
2779 reply => undef,
2780 tooltip => "Shows players who are currently online",
2781 },
2782 "c/body" => {
2783 id => "infobox",
2784 title => "Body Parts",
2785 reply => undef,
2786 tooltip => "Shows which body parts you posess and are available",
2787 },
2788 "c/statistics" => {
2789 id => "infobox",
2790 title => "Statistics",
2791 reply => undef,
2792 tooltip => "Shows your primary statistics",
2793 },
2794 "c/skills" => {
2795 id => "infobox",
2796 title => "Skills",
2797 reply => undef,
2798 tooltip => "Shows your experience per skill and item power",
2799 },
2800 "c/shopitems" => {
2801 id => "infobox",
2802 title => "Shop Items",
2803 reply => undef,
2804 tooltip => "Shows the items currently for sale in this shop",
2805 },
2806 "c/resistances" => {
2807 id => "infobox",
2808 title => "Resistances",
2809 reply => undef,
2810 tooltip => "Shows your resistances",
2811 },
2812 "c/pets" => {
2813 id => "infobox",
2814 title => "Pets",
2815 reply => undef,
2816 tooltip => "Shows information abotu your pets/a specific pet",
2817 },
2818 "c/perceiveself" => {
2819 id => "infobox",
2820 title => "Perceive Self",
2821 reply => undef,
2822 tooltip => "You gained detailed knowledge about yourself",
2823 },
2824 "c/uptime" => {
2825 id => "infobox",
2826 title => "Uptime",
2827 reply => undef,
2828 tooltip => "How long the server has been running since last restart",
2829 },
2830 "c/mapinfo" => {
2831 id => "infobox",
2832 title => "Map Info",
2833 reply => undef,
2834 tooltip => "Information related to the maps",
2835 },
2836 "c/party" => {
2837 id => "party",
2838 title => "Party",
2839 reply => "gsay ",
2840 tooltip => "Messages and chat related to your party",
2841 },
2842 "c/death" => {
2843 id => "death",
2844 title => "Death",
2845 reply => undef,
2846 tooltip => "Reason for and more info about your most recent death",
2847 },
2848 "c/say" => $SAY_CHANNEL,
2849 "c/chat" => $CHAT_CHANNEL,
2642); 2850);
2643 2851
2644sub cf::client::send_msg { 2852sub cf::client::send_msg {
2645 my ($self, $channel, $msg, $color, @extra) = @_; 2853 my ($self, $channel, $msg, $color, @extra) = @_;
2646 2854
2647 $msg = $self->pl->expand_cfpod ($msg); 2855 $msg = $self->pl->expand_cfpod ($msg)
2856 unless $color & cf::NDI_VERBATIM;
2648 2857
2649 $color &= cf::NDI_CLIENT_MASK; # just in case... 2858 $color &= cf::NDI_CLIENT_MASK; # just in case...
2650 2859
2651 # check predefined channels, for the benefit of C 2860 # check predefined channels, for the benefit of C
2652 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2861 if ($CHANNEL{$channel}) {
2862 $channel = $CHANNEL{$channel};
2653 2863
2864 $self->ext_msg (channel_info => $channel);
2865 $channel = $channel->{id};
2866
2654 if (ref $channel) { 2867 } elsif (ref $channel) {
2655 # send meta info to client, if not yet sent 2868 # send meta info to client, if not yet sent
2656 unless (exists $self->{channel}{$channel->{id}}) { 2869 unless (exists $self->{channel}{$channel->{id}}) {
2657 $self->{channel}{$channel->{id}} = $channel; 2870 $self->{channel}{$channel->{id}} = $channel;
2658 $self->ext_msg (channel_info => $channel) 2871 $self->ext_msg (channel_info => $channel);
2659 if $self->can_msg;
2660 } 2872 }
2661 2873
2662 $channel = $channel->{id}; 2874 $channel = $channel->{id};
2663 } 2875 }
2664 2876
2665 return unless @extra || length $msg; 2877 return unless @extra || length $msg;
2666 2878
2667 if ($self->can_msg) {
2668 # default colour, mask it out 2879 # default colour, mask it out
2669 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2880 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2670 if $color & cf::NDI_DEF; 2881 if $color & cf::NDI_DEF;
2671 2882
2672 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2883 my $pkt = "msg "
2884 . $self->{json_coder}->encode (
2673 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2885 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2674 } else { 2886 );
2675 if ($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 2887
2686 $color &= cf::NDI_COLOR_MASK; 2888 # try lzf for large packets
2889 $pkt = "lzf " . Compress::LZF::compress $pkt
2890 if 1024 <= length $pkt and $self->{can_lzf};
2687 2891
2688 utf8::encode $msg; 2892 # split very large packets
2689 2893 if (8192 < length $pkt and $self->{can_lzf}) {
2690 if (0 && $msg =~ /\[/) { 2894 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2691 # COMMAND/INFO 2895 $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 } 2896 }
2897
2898 $self->send_packet ($pkt);
2699} 2899}
2700 2900
2701=item $client->ext_msg ($type, @msg) 2901=item $client->ext_msg ($type, @msg)
2702 2902
2703Sends an ext event to the client. 2903Sends an ext event to the client.
2876=pod 3076=pod
2877 3077
2878The following functions and methods are available within a safe environment: 3078The following functions and methods are available within a safe environment:
2879 3079
2880 cf::object 3080 cf::object
2881 contr pay_amount pay_player map x y force_find force_add 3081 contr pay_amount pay_player map x y force_find force_add destroy
2882 insert remove name archname title slaying race decrease_ob_nr 3082 insert remove name archname title slaying race decrease split
3083 value
2883 3084
2884 cf::object::player 3085 cf::object::player
2885 player 3086 player
2886 3087
2887 cf::player 3088 cf::player
2892 3093
2893=cut 3094=cut
2894 3095
2895for ( 3096for (
2896 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3097 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2897 insert remove inv name archname title slaying race 3098 insert remove inv nrof name archname title slaying race
2898 decrease_ob_nr)], 3099 decrease split destroy change_exp value msg lore send_msg)],
2899 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
2900 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful send_msg)],
2901 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
2902) { 3103) {
2903 no strict 'refs'; 3104 no strict 'refs';
2904 my ($pkg, @funs) = @$_; 3105 my ($pkg, @funs) = @$_;
2905 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2922 my ($code, %vars) = @_; 3123 my ($code, %vars) = @_;
2923 3124
2924 my $qcode = $code; 3125 my $qcode = $code;
2925 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2926 $qcode =~ s/\n/\\n/g; 3127 $qcode =~ s/\n/\\n/g;
3128
3129 %vars = (_dummy => 0) unless %vars;
2927 3130
2928 local $_; 3131 local $_;
2929 local @safe::cf::_safe_eval_args = values %vars; 3132 local @safe::cf::_safe_eval_args = values %vars;
2930 3133
2931 my $eval = 3134 my $eval =
3008 { 3211 {
3009 my $faces = $facedata->{faceinfo}; 3212 my $faces = $facedata->{faceinfo};
3010 3213
3011 while (my ($face, $info) = each %$faces) { 3214 while (my ($face, $info) = each %$faces) {
3012 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3215 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3216
3013 cf::face::set_visibility $idx, $info->{visibility}; 3217 cf::face::set_visibility $idx, $info->{visibility};
3014 cf::face::set_magicmap $idx, $info->{magicmap}; 3218 cf::face::set_magicmap $idx, $info->{magicmap};
3015 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3219 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}; 3220 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3017 3221
3018 cf::cede_to_tick; 3222 cf::cede_to_tick;
3019 } 3223 }
3020 3224
3021 while (my ($face, $info) = each %$faces) { 3225 while (my ($face, $info) = each %$faces) {
3022 next unless $info->{smooth}; 3226 next unless $info->{smooth};
3227
3023 my $idx = cf::face::find $face 3228 my $idx = cf::face::find $face
3024 or next; 3229 or next;
3230
3025 if (my $smooth = cf::face::find $info->{smooth}) { 3231 if (my $smooth = cf::face::find $info->{smooth}) {
3026 cf::face::set_smooth $idx, $smooth; 3232 cf::face::set_smooth $idx, $smooth;
3027 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3233 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3028 } else { 3234 } else {
3029 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3235 warn "smooth face '$info->{smooth}' not found for face '$face'";
3047 { 3253 {
3048 # TODO: for gcfclient pleasure, we should give resources 3254 # TODO: for gcfclient pleasure, we should give resources
3049 # that gcfclient doesn't grok a >10000 face index. 3255 # that gcfclient doesn't grok a >10000 face index.
3050 my $res = $facedata->{resource}; 3256 my $res = $facedata->{resource};
3051 3257
3052 my $soundconf = delete $res->{"res/sound.conf"};
3053
3054 while (my ($name, $info) = each %$res) { 3258 while (my ($name, $info) = each %$res) {
3259 if (defined $info->{type}) {
3055 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3260 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3056 my $data; 3261 my $data;
3057 3262
3058 if ($info->{type} & 1) { 3263 if ($info->{type} & 1) {
3059 # prepend meta info 3264 # prepend meta info
3060 3265
3061 my $meta = $enc->encode ({ 3266 my $meta = $enc->encode ({
3062 name => $name, 3267 name => $name,
3063 %{ $info->{meta} || {} }, 3268 %{ $info->{meta} || {} },
3064 }); 3269 });
3065 3270
3066 $data = pack "(w/a*)*", $meta, $info->{data}; 3271 $data = pack "(w/a*)*", $meta, $info->{data};
3272 } else {
3273 $data = $info->{data};
3274 }
3275
3276 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3277 cf::face::set_type $idx, $info->{type};
3067 } else { 3278 } else {
3068 $data = $info->{data}; 3279 $RESOURCE{$name} = $info;
3069 } 3280 }
3070 3281
3071 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3072 cf::face::set_type $idx, $info->{type};
3073
3074 cf::cede_to_tick; 3282 cf::cede_to_tick;
3075 } 3283 }
3076
3077 if ($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 } 3284 }
3285
3286 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3095 3287
3096 1 3288 1
3097} 3289}
3290
3291cf::global->attach (on_resource_update => sub {
3292 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3293 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3294
3295 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3296 my $sound = $soundconf->{compat}[$_]
3297 or next;
3298
3299 my $face = cf::face::find "sound/$sound->[1]";
3300 cf::sound::set $sound->[0] => $face;
3301 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3302 }
3303
3304 while (my ($k, $v) = each %{$soundconf->{event}}) {
3305 my $face = cf::face::find "sound/$v";
3306 cf::sound::set $k => $face;
3307 }
3308 }
3309});
3098 3310
3099register_exticmd fx_want => sub { 3311register_exticmd fx_want => sub {
3100 my ($ns, $want) = @_; 3312 my ($ns, $want) = @_;
3101 3313
3102 while (my ($k, $v) = each %$want) { 3314 while (my ($k, $v) = each %$want) {
3103 $ns->fx_want ($k, $v); 3315 $ns->fx_want ($k, $v);
3104 } 3316 }
3105}; 3317};
3318
3319sub load_resource_file($) {
3320 my $guard = lock_acquire "load_resource_file";
3321
3322 my $status = load_resource_file_ $_[0];
3323 get_slot 0.1, 100;
3324 cf::arch::commit_load;
3325
3326 $status
3327}
3106 3328
3107sub reload_regions { 3329sub reload_regions {
3108 # HACK to clear player env face cache, we need some signal framework 3330 # HACK to clear player env face cache, we need some signal framework
3109 # for this (global event?) 3331 # for this (global event?)
3110 %ext::player_env::MUSIC_FACE_CACHE = (); 3332 %ext::player_env::MUSIC_FACE_CACHE = ();
3124} 3346}
3125 3347
3126sub reload_archetypes { 3348sub reload_archetypes {
3127 load_resource_file "$DATADIR/archetypes" 3349 load_resource_file "$DATADIR/archetypes"
3128 or die "unable to load archetypes\n"; 3350 or die "unable to load archetypes\n";
3129 #d# NEED to laod twice to resolve forward references
3130 # this really needs to be done in an extra post-pass
3131 # (which needs to be synchronous, so solve it differently)
3132 load_resource_file "$DATADIR/archetypes"
3133 or die "unable to load archetypes\n";
3134} 3351}
3135 3352
3136sub reload_treasures { 3353sub reload_treasures {
3137 load_resource_file "$DATADIR/treasures" 3354 load_resource_file "$DATADIR/treasures"
3138 or die "unable to load treasurelists\n"; 3355 or die "unable to load treasurelists\n";
3139} 3356}
3140 3357
3141sub reload_resources { 3358sub reload_resources {
3142 warn "reloading resource files...\n"; 3359 warn "reloading resource files...\n";
3143 3360
3361 reload_facedata;
3362 reload_archetypes;
3144 reload_regions; 3363 reload_regions;
3145 reload_facedata;
3146 #reload_archetypes;#d#
3147 reload_archetypes;
3148 reload_treasures; 3364 reload_treasures;
3149 3365
3150 warn "finished reloading resource files\n"; 3366 warn "finished reloading resource files\n";
3151}
3152
3153sub init {
3154 reload_resources;
3155} 3367}
3156 3368
3157sub reload_config { 3369sub reload_config {
3158 open my $fh, "<:utf8", "$CONFDIR/config" 3370 open my $fh, "<:utf8", "$CONFDIR/config"
3159 or return; 3371 or return;
3160 3372
3161 local $/; 3373 local $/;
3162 *CFG = YAML::Syck::Load <$fh>; 3374 *CFG = YAML::Load <$fh>;
3163 3375
3164 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3376 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3165 3377
3166 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3378 $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}; 3379 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3173 }; 3385 };
3174 warn $@ if $@; 3386 warn $@ if $@;
3175 } 3387 }
3176} 3388}
3177 3389
3390sub pidfile() {
3391 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3392 or die "$PIDFILE: $!";
3393 flock $fh, &Fcntl::LOCK_EX
3394 or die "$PIDFILE: flock: $!";
3395 $fh
3396}
3397
3398# make sure only one server instance is running at any one time
3399sub atomic {
3400 my $fh = pidfile;
3401
3402 my $pid = <$fh>;
3403 kill 9, $pid if $pid > 0;
3404
3405 seek $fh, 0, 0;
3406 print $fh $$;
3407}
3408
3409sub main_loop {
3410 warn "EV::loop starting\n";
3411 if (1) {
3412 EV::loop;
3413 }
3414 warn "EV::loop returned\n";
3415 goto &main_loop unless $REALLY_UNLOOP;
3416}
3417
3178sub main { 3418sub main {
3419 cf::init_globals; # initialise logging
3420
3421 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3422 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3423 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3424 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3425
3426 cf::init_experience;
3427 cf::init_anim;
3428 cf::init_attackmess;
3429 cf::init_dynamic;
3430
3431 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3432
3179 # we must not ever block the main coroutine 3433 # we must not ever block the main coroutine
3180 local $Coro::idle = sub { 3434 local $Coro::idle = sub {
3181 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3435 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3182 (async { 3436 (async {
3183 Event::one_event; 3437 $Coro::current->{desc} = "IDLE BUG HANDLER";
3438 EV::loop EV::LOOP_ONESHOT;
3184 })->prio (Coro::PRIO_MAX); 3439 })->prio (Coro::PRIO_MAX);
3185 }; 3440 };
3186 3441
3442 evthread_start IO::AIO::poll_fileno;
3443
3444 cf::sync_job {
3445 reload_resources;
3187 reload_config; 3446 reload_config;
3188 db_init; 3447 db_init;
3448
3449 cf::load_settings;
3450 cf::load_materials;
3451 cf::init_uuid;
3452 cf::init_signals;
3453 cf::init_commands;
3454 cf::init_skills;
3455
3456 cf::init_beforeplay;
3457
3458 atomic;
3459
3189 load_extensions; 3460 load_extensions;
3190 3461
3191 $TICK_WATCHER->start; 3462 utime time, time, $RUNTIMEFILE;
3192 Event::loop; 3463
3464 # no (long-running) fork's whatsoever before this point(!)
3465 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3466
3467 (pop @POST_INIT)->(0) while @POST_INIT;
3468 };
3469
3470 main_loop;
3193} 3471}
3194 3472
3195############################################################################# 3473#############################################################################
3196# initialisation and cleanup 3474# initialisation and cleanup
3197 3475
3198# install some emergency cleanup handlers 3476# install some emergency cleanup handlers
3199BEGIN { 3477BEGIN {
3478 our %SIGWATCHER = ();
3200 for my $signal (qw(INT HUP TERM)) { 3479 for my $signal (qw(INT HUP TERM)) {
3201 Event->signal ( 3480 $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"; 3481 cf::cleanup "SIG$signal";
3208 },
3209 ); 3482 };
3210 } 3483 }
3211} 3484}
3212 3485
3213sub write_runtime { 3486sub write_runtime_sync {
3214 my $runtime = "$LOCALDIR/runtime";
3215
3216 # first touch the runtime file to show we are still running: 3487 # first touch the runtime file to show we are still running:
3217 # the fsync below can take a very very long time. 3488 # the fsync below can take a very very long time.
3218 3489
3219 IO::AIO::aio_utime $runtime, undef, undef; 3490 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3220 3491
3221 my $guard = cf::lock_acquire "write_runtime"; 3492 my $guard = cf::lock_acquire "write_runtime";
3222 3493
3223 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3494 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3224 or return; 3495 or return;
3225 3496
3226 my $value = $cf::RUNTIME + 90 + 10; 3497 my $value = $cf::RUNTIME + 90 + 10;
3227 # 10 is the runtime save interval, for a monotonic clock 3498 # 10 is the runtime save interval, for a monotonic clock
3228 # 60 allows for the watchdog to kill the server. 3499 # 60 allows for the watchdog to kill the server.
3238 aio_utime $fh, undef, undef; 3509 aio_utime $fh, undef, undef;
3239 3510
3240 close $fh 3511 close $fh
3241 or return; 3512 or return;
3242 3513
3243 aio_rename "$runtime~", $runtime 3514 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3244 and return; 3515 and return;
3245 3516
3246 warn "runtime file written.\n"; 3517 warn "runtime file written.\n";
3247 3518
3248 1 3519 1
3520}
3521
3522our $uuid_lock;
3523our $uuid_skip;
3524
3525sub write_uuid_sync($) {
3526 $uuid_skip ||= $_[0];
3527
3528 return if $uuid_lock;
3529 local $uuid_lock = 1;
3530
3531 my $uuid = "$LOCALDIR/uuid";
3532
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return;
3535
3536 my $value = uuid_seq uuid_cur;
3537
3538 unless ($value) {
3539 warn "cowardly refusing to write zero uuid value!\n";
3540 return;
3541 }
3542
3543 my $value = uuid_str $value + $uuid_skip;
3544 $uuid_skip = 0;
3545
3546 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3547 and return;
3548
3549 # always fsync - this file is important
3550 aio_fsync $fh
3551 and return;
3552
3553 close $fh
3554 or return;
3555
3556 aio_rename "$uuid~", $uuid
3557 and return;
3558
3559 warn "uuid file written ($value).\n";
3560
3561 1
3562
3563}
3564
3565sub write_uuid($$) {
3566 my ($skip, $sync) = @_;
3567
3568 $sync ? write_uuid_sync $skip
3569 : async { write_uuid_sync $skip };
3249} 3570}
3250 3571
3251sub emergency_save() { 3572sub emergency_save() {
3252 my $freeze_guard = cf::freeze_mainloop; 3573 my $freeze_guard = cf::freeze_mainloop;
3253 3574
3254 warn "enter emergency perl save\n"; 3575 warn "emergency_perl_save: enter\n";
3255 3576
3256 cf::sync_job { 3577 cf::sync_job {
3578 # this is a trade-off: we want to be very quick here, so
3579 # save all maps without fsync, and later call a global sync
3580 # (which in turn might be very very slow)
3581 local $USE_FSYNC = 0;
3582
3257 # use a peculiar iteration method to avoid tripping on perl 3583 # use a peculiar iteration method to avoid tripping on perl
3258 # refcount bugs in for. also avoids problems with players 3584 # refcount bugs in for. also avoids problems with players
3259 # and maps saved/destroyed asynchronously. 3585 # and maps saved/destroyed asynchronously.
3260 warn "begin emergency player save\n"; 3586 warn "emergency_perl_save: begin player save\n";
3261 for my $login (keys %cf::PLAYER) { 3587 for my $login (keys %cf::PLAYER) {
3262 my $pl = $cf::PLAYER{$login} or next; 3588 my $pl = $cf::PLAYER{$login} or next;
3263 $pl->valid or next; 3589 $pl->valid or next;
3590 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3264 $pl->save; 3591 $pl->save;
3265 } 3592 }
3266 warn "end emergency player save\n"; 3593 warn "emergency_perl_save: end player save\n";
3267 3594
3268 warn "begin emergency map save\n"; 3595 warn "emergency_perl_save: begin map save\n";
3269 for my $path (keys %cf::MAP) { 3596 for my $path (keys %cf::MAP) {
3270 my $map = $cf::MAP{$path} or next; 3597 my $map = $cf::MAP{$path} or next;
3271 $map->valid or next; 3598 $map->valid or next;
3272 $map->save; 3599 $map->save;
3273 } 3600 }
3274 warn "end emergency map save\n"; 3601 warn "emergency_perl_save: end map save\n";
3275 3602
3276 warn "begin emergency database checkpoint\n"; 3603 warn "emergency_perl_save: begin database checkpoint\n";
3277 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
3278 warn "end emergency database checkpoint\n"; 3605 warn "emergency_perl_save: end database checkpoint\n";
3606
3607 warn "emergency_perl_save: begin write uuid\n";
3608 write_uuid_sync 1;
3609 warn "emergency_perl_save: end write uuid\n";
3279 }; 3610 };
3280 3611
3612 warn "emergency_perl_save: starting sync()\n";
3613 IO::AIO::aio_sync sub {
3614 warn "emergency_perl_save: finished sync()\n";
3615 };
3616
3281 warn "leave emergency perl save\n"; 3617 warn "emergency_perl_save: leave\n";
3282} 3618}
3283 3619
3284sub post_cleanup { 3620sub post_cleanup {
3285 my ($make_core) = @_; 3621 my ($make_core) = @_;
3286 3622
3287 warn Carp::longmess "post_cleanup backtrace" 3623 warn Carp::longmess "post_cleanup backtrace"
3288 if $make_core; 3624 if $make_core;
3625
3626 my $fh = pidfile;
3627 unlink $PIDFILE if <$fh> == $$;
3628}
3629
3630# a safer delete_package, copied from Symbol
3631sub clear_package($) {
3632 my $pkg = shift;
3633
3634 # expand to full symbol table name if needed
3635 unless ($pkg =~ /^main::.*::$/) {
3636 $pkg = "main$pkg" if $pkg =~ /^::/;
3637 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3638 $pkg .= '::' unless $pkg =~ /::$/;
3639 }
3640
3641 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3642 my $stem_symtab = *{$stem}{HASH};
3643
3644 defined $stem_symtab and exists $stem_symtab->{$leaf}
3645 or return;
3646
3647 # clear all symbols
3648 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3649 for my $name (keys %$leaf_symtab) {
3650 _gv_clear *{"$pkg$name"};
3651# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3652 }
3653 warn "cleared package $pkg\n";#d#
3289} 3654}
3290 3655
3291sub do_reload_perl() { 3656sub do_reload_perl() {
3292 # can/must only be called in main 3657 # can/must only be called in main
3293 if ($Coro::current != $Coro::main) { 3658 if ($Coro::current != $Coro::main) {
3294 warn "can only reload from main coroutine"; 3659 warn "can only reload from main coroutine";
3295 return; 3660 return;
3296 } 3661 }
3297 3662
3663 return if $RELOAD++;
3664
3665 my $t1 = EV::time;
3666
3667 while ($RELOAD) {
3298 warn "reloading..."; 3668 warn "reloading...";
3299 3669
3300 warn "entering sync_job"; 3670 warn "entering sync_job";
3301 3671
3302 cf::sync_job { 3672 cf::sync_job {
3303 cf::write_runtime; # external watchdog should not bark 3673 cf::write_runtime_sync; # external watchdog should not bark
3304 cf::emergency_save; 3674 cf::emergency_save;
3305 cf::write_runtime; # external watchdog should not bark 3675 cf::write_runtime_sync; # external watchdog should not bark
3306 3676
3307 warn "syncing database to disk"; 3677 warn "syncing database to disk";
3308 BDB::db_env_txn_checkpoint $DB_ENV; 3678 BDB::db_env_txn_checkpoint $DB_ENV;
3309 3679
3310 # if anything goes wrong in here, we should simply crash as we already saved 3680 # if anything goes wrong in here, we should simply crash as we already saved
3311 3681
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"; 3682 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; 3683 while (IO::AIO::nreqs || BDB::nreqs) {
3323 warn "iterate..."; 3684 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 } 3685 }
3349 3686
3350 warn "... nuking $pkg"; 3687 warn "cancelling all extension coros";
3351 Symbol::delete_package $pkg; 3688 $_->cancel for values %EXT_CORO;
3352 } 3689 %EXT_CORO = ();
3353 3690
3354 warn "unloading all perl modules loaded from $LIBDIR"; 3691 warn "removing commands";
3355 while (my ($k, $v) = each %INC) { 3692 %COMMAND = ();
3356 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3357 3693
3694 warn "removing ext/exti commands";
3695 %EXTCMD = ();
3696 %EXTICMD = ();
3697
3698 warn "unloading/nuking all extensions";
3699 for my $pkg (@EXTS) {
3358 warn "... unloading $k"; 3700 warn "... unloading $pkg";
3359 delete $INC{$k};
3360 3701
3361 $k =~ s/\.pm$//;
3362 $k =~ s/\//::/g;
3363
3364 if (my $cb = $k->can ("unload_module")) { 3702 if (my $cb = $pkg->can ("unload")) {
3703 eval {
3365 $cb->(); 3704 $cb->($pkg);
3705 1
3706 } or warn "$pkg unloaded, but with errors: $@";
3707 }
3708
3709 warn "... clearing $pkg";
3710 clear_package $pkg;
3366 } 3711 }
3367 3712
3368 Symbol::delete_package $k; 3713 warn "unloading all perl modules loaded from $LIBDIR";
3714 while (my ($k, $v) = each %INC) {
3715 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3716
3717 warn "... unloading $k";
3718 delete $INC{$k};
3719
3720 $k =~ s/\.pm$//;
3721 $k =~ s/\//::/g;
3722
3723 if (my $cb = $k->can ("unload_module")) {
3724 $cb->();
3725 }
3726
3727 clear_package $k;
3369 } 3728 }
3370 3729
3371 warn "getting rid of safe::, as good as possible"; 3730 warn "getting rid of safe::, as good as possible";
3372 Symbol::delete_package "safe::$_" 3731 clear_package "safe::$_"
3373 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3732 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3374 3733
3375 warn "unloading cf.pm \"a bit\""; 3734 warn "unloading cf.pm \"a bit\"";
3376 delete $INC{"cf.pm"}; 3735 delete $INC{"cf.pm"};
3377 delete $INC{"cf/pod.pm"}; 3736 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3378 3737
3379 # don't, removes xs symbols, too, 3738 # don't, removes xs symbols, too,
3380 # and global variables created in xs 3739 # and global variables created in xs
3381 #Symbol::delete_package __PACKAGE__; 3740 #clear_package __PACKAGE__;
3382 3741
3383 warn "unload completed, starting to reload now"; 3742 warn "unload completed, starting to reload now";
3384 3743
3385 warn "reloading cf.pm"; 3744 warn "reloading cf.pm";
3386 require cf; 3745 require cf;
3387 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3746 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3388 3747
3389 warn "loading config and database again"; 3748 warn "loading config and database again";
3390 cf::reload_config; 3749 cf::reload_config;
3391 3750
3392 warn "loading extensions"; 3751 warn "loading extensions";
3393 cf::load_extensions; 3752 cf::load_extensions;
3394 3753
3754 if ($REATTACH_ON_RELOAD) {
3395 warn "reattaching attachments to objects/players"; 3755 warn "reattaching attachments to objects/players";
3396 _global_reattach; # objects, sockets 3756 _global_reattach; # objects, sockets
3397 warn "reattaching attachments to maps"; 3757 warn "reattaching attachments to maps";
3398 reattach $_ for values %MAP; 3758 reattach $_ for values %MAP;
3399 warn "reattaching attachments to players"; 3759 warn "reattaching attachments to players";
3400 reattach $_ for values %PLAYER; 3760 reattach $_ for values %PLAYER;
3761 }
3401 3762
3763 warn "running post_init jobs";
3764 (pop @POST_INIT)->(1) while @POST_INIT;
3765
3402 warn "leaving sync_job"; 3766 warn "leaving sync_job";
3403 3767
3404 1 3768 1
3405 } or do { 3769 } or do {
3406 warn $@; 3770 warn $@;
3407 warn "error while reloading, exiting."; 3771 cf::cleanup "error while reloading, exiting.";
3408 exit 1;
3409 }; 3772 };
3410 3773
3411 warn "reloaded"; 3774 warn "reloaded";
3775 --$RELOAD;
3776 }
3777
3778 $t1 = EV::time - $t1;
3779 warn "reload completed in ${t1}s\n";
3412}; 3780};
3413 3781
3414our $RELOAD_WATCHER; # used only during reload 3782our $RELOAD_WATCHER; # used only during reload
3415 3783
3416sub reload_perl() { 3784sub reload_perl() {
3417 # doing reload synchronously and two reloads happen back-to-back, 3785 # doing reload synchronously and two reloads happen back-to-back,
3418 # coro crashes during coro_state_free->destroy here. 3786 # coro crashes during coro_state_free->destroy here.
3419 3787
3420 $RELOAD_WATCHER ||= Event->timer ( 3788 $RELOAD_WATCHER ||= cf::async {
3421 reentrant => 0, 3789 Coro::AIO::aio_wait cache_extensions;
3422 after => 0, 3790
3423 data => WF_AUTOCANCEL, 3791 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3424 cb => sub {
3425 do_reload_perl; 3792 do_reload_perl;
3426 undef $RELOAD_WATCHER; 3793 undef $RELOAD_WATCHER;
3427 }, 3794 };
3428 ); 3795 };
3429} 3796}
3430 3797
3431register_command "reload" => sub { 3798register_command "reload" => sub {
3432 my ($who, $arg) = @_; 3799 my ($who, $arg) = @_;
3433 3800
3434 if ($who->flag (FLAG_WIZ)) { 3801 if ($who->flag (FLAG_WIZ)) {
3435 $who->message ("reloading server."); 3802 $who->message ("reloading server.");
3803 async {
3804 $Coro::current->{desc} = "perl_reload";
3436 async { reload_perl }; 3805 reload_perl;
3806 };
3437 } 3807 }
3438}; 3808};
3439 3809
3440unshift @INC, $LIBDIR; 3810unshift @INC, $LIBDIR;
3441 3811
3443 3813
3444our @WAIT_FOR_TICK; 3814our @WAIT_FOR_TICK;
3445our @WAIT_FOR_TICK_BEGIN; 3815our @WAIT_FOR_TICK_BEGIN;
3446 3816
3447sub wait_for_tick { 3817sub wait_for_tick {
3448 return unless $TICK_WATCHER->is_active;
3449 return if $Coro::current == $Coro::main; 3818 return if tick_inhibit || $Coro::current == $Coro::main;
3450 3819
3451 my $signal = new Coro::Signal; 3820 my $signal = new Coro::Signal;
3452 push @WAIT_FOR_TICK, $signal; 3821 push @WAIT_FOR_TICK, $signal;
3453 $signal->wait; 3822 $signal->wait;
3454} 3823}
3455 3824
3456sub wait_for_tick_begin { 3825sub wait_for_tick_begin {
3457 return unless $TICK_WATCHER->is_active;
3458 return if $Coro::current == $Coro::main; 3826 return if tick_inhibit || $Coro::current == $Coro::main;
3459 3827
3460 my $signal = new Coro::Signal; 3828 my $signal = new Coro::Signal;
3461 push @WAIT_FOR_TICK_BEGIN, $signal; 3829 push @WAIT_FOR_TICK_BEGIN, $signal;
3462 $signal->wait; 3830 $signal->wait;
3463} 3831}
3464 3832
3465our $stat_fh; 3833sub 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) { 3834 if ($Coro::current != $Coro::main) {
3476 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3835 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3477 unless ++$bug_warning > 10; 3836 unless ++$bug_warning > 10;
3478 return; 3837 return;
3479 } 3838 }
3480 3839
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 3840 cf::server_tick; # one server iteration
3486 3841
3487 $RUNTIME += $TICK;
3488 $NEXT_TICK += $TICK;
3489
3490 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3842 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491 $NEXT_RUNTIME_WRITE = $NOW + 10; 3843 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492 Coro::async_pool { 3844 Coro::async_pool {
3845 $Coro::current->{desc} = "runtime saver";
3493 write_runtime 3846 write_runtime_sync
3494 or warn "ERROR: unable to write runtime file: $!"; 3847 or warn "ERROR: unable to write runtime file: $!";
3495 };
3496 } 3848 };
3849 }
3497 3850
3498# my $AFTER = Event::time;
3499# warn $AFTER - $NOW;#d#
3500
3501 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3502 $sig->send; 3852 $sig->send;
3503 } 3853 }
3504 while (my $sig = shift @WAIT_FOR_TICK) { 3854 while (my $sig = shift @WAIT_FOR_TICK) {
3505 $sig->send; 3855 $sig->send;
3506 } 3856 }
3507 3857
3508 $NOW = Event::time; 3858 $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; 3859 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3518 3860
3519 _post_tick; 3861 if (0) {
3520 3862 if ($NEXT_TICK) {
3521 # gather some statistics#d# 3863 my $jitter = $TICK_START - $NEXT_TICK;
3522 $stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d# 3864 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3523 IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d# 3865 warn "jitter $JITTER\n";#d#
3866 }
3524 }, 3867 }
3525); 3868}
3526 3869
3527{ 3870{
3871 # configure BDB
3872
3528 BDB::min_parallel 8; 3873 BDB::min_parallel 8;
3529 BDB::max_poll_time $TICK * 0.1; 3874 BDB::max_poll_reqs $TICK * 0.1;
3530 $BDB_POLL_WATCHER = Event->io ( 3875 $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 3876
3554 unless ($DB_ENV) { 3877 unless ($DB_ENV) {
3555 $DB_ENV = BDB::db_env_create; 3878 $DB_ENV = BDB::db_env_create;
3879 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3880 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3881 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3882 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3883 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3556 3884
3557 cf::sync_job { 3885 cf::sync_job {
3558 eval { 3886 eval {
3559 BDB::db_env_open 3887 BDB::db_env_open
3560 $DB_ENV, 3888 $DB_ENV,
3562 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3890 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3563 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3891 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3564 0666; 3892 0666;
3565 3893
3566 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3894 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 }; 3895 };
3572 3896
3573 cf::cleanup "db_env_open(db): $@" if $@; 3897 cf::cleanup "db_env_open(db): $@" if $@;
3574 }; 3898 };
3575 } 3899 }
3576 3900
3577 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3901 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3578 after => 11, 3902 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3579 interval => 60, 3903 };
3580 hard => 1, 3904 $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 { }; 3905 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3585 },
3586 ); 3906 };
3587 $BDB_TRICKLE_WATCHER = Event->timer ( 3907 $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 { }; 3908 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3595 },
3596 ); 3909 };
3597} 3910}
3598 3911
3599{ 3912{
3913 # configure IO::AIO
3914
3600 IO::AIO::min_parallel 8; 3915 IO::AIO::min_parallel 8;
3601
3602 undef $Coro::AIO::WATCHER;
3603 IO::AIO::max_poll_time $TICK * 0.1; 3916 IO::AIO::max_poll_time $TICK * 0.1;
3604 $AIO_POLL_WATCHER = Event->io ( 3917 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} 3918}
3613 3919
3614my $_log_backtrace; 3920my $_log_backtrace;
3615 3921
3616sub _log_backtrace { 3922sub _log_backtrace {
3619 $msg =~ s/\n//; 3925 $msg =~ s/\n//;
3620 3926
3621 # limit the # of concurrent backtraces 3927 # limit the # of concurrent backtraces
3622 if ($_log_backtrace < 2) { 3928 if ($_log_backtrace < 2) {
3623 ++$_log_backtrace; 3929 ++$_log_backtrace;
3930 my $perl_bt = Carp::longmess $msg;
3624 async { 3931 async {
3932 $Coro::current->{desc} = "abt $msg";
3933
3625 my @bt = fork_call { 3934 my @bt = fork_call {
3626 @addr = map { sprintf "%x", $_ } @addr; 3935 @addr = map { sprintf "%x", $_ } @addr;
3627 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3936 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3628 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3937 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3629 or die "addr2line: $!"; 3938 or die "addr2line: $!";
3637 } 3946 }
3638 3947
3639 @funcs 3948 @funcs
3640 }; 3949 };
3641 3950
3642 LOG llevInfo, "[ABT] $msg\n"; 3951 LOG llevInfo, "[ABT] $perl_bt\n";
3952 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3643 LOG llevInfo, "[ABT] $_\n" for @bt; 3953 LOG llevInfo, "[ABT] $_\n" for @bt;
3644 --$_log_backtrace; 3954 --$_log_backtrace;
3645 }; 3955 };
3646 } else { 3956 } else {
3647 LOG llevInfo, "[ABT] $msg\n"; 3957 LOG llevInfo, "[ABT] $msg\n";
3648 LOG llevInfo, "[ABT] [suppressed]\n"; 3958 LOG llevInfo, "[ABT] [suppressed]\n";
3649 } 3959 }
3650} 3960}
3651 3961
3652# load additional modules 3962# load additional modules
3653use cf::pod; 3963require "cf/$_.pm" for @EXTRA_MODULES;
3654 3964
3655END { cf::emergency_save } 3965END { cf::emergency_save }
3656 3966
36571 39671
3658 3968

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