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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC vs.
Revision 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.64 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
24use Coro::Util (); 51use Coro::Util ();
25 52
26use JSON::XS (); 53use JSON::XS 2.01 ();
27use BDB (); 54use BDB ();
28use Data::Dumper; 55use Data::Dumper;
29use Digest::MD5; 56use Digest::MD5;
30use Fcntl; 57use Fcntl;
31use YAML::Syck (); 58use YAML ();
32use IO::AIO 2.32 (); 59use IO::AIO ();
33use Time::HiRes; 60use Time::HiRes;
34use Compress::LZF; 61use Compress::LZF;
35use Digest::MD5 (); 62use Digest::MD5 ();
63
64AnyEvent::detect;
36 65
37# configure various modules to our taste 66# configure various modules to our taste
38# 67#
39$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 76
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 78
52our %COMMAND = (); 79our %COMMAND = ();
53our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
56our %EXTCMD = (); 83our %EXTCMD = ();
57our %EXTICMD = (); 84our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
60 87
61our $RELOAD; # number of reloads so far 88our $RELOAD; # number of reloads so far, non-zero while in reload
62our @EVENT; 89our @EVENT;
63 90
64our $CONFDIR = confdir; 91our $CONFDIR = confdir;
65our $DATADIR = datadir; 92our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 93our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 94our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 95our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir; 96our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 97our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 100our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
75 106
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 109our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 110our $USE_FSYNC = 1; # use fsync to write maps - default off
83 111
112our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER;
84our $BDB_POLL_WATCHER; 114our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 115our $DB_ENV;
86 116
87our %CFG; 117our %CFG;
88 118
89our $UPTIME; $UPTIME ||= time; 119our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 120our $RUNTIME;
121our $NOW;
91 122
92our (%PLAYER, %PLAYER_LOADING); # all users 123our (%PLAYER, %PLAYER_LOADING); # all users
93our (%MAP, %MAP_LOADING ); # all maps 124our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 125our $LINK_MAP; # the special {link} map, which is always available
95 126
96# used to convert map paths into valid unix filenames by replacing / by ∕ 127# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 128our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 129
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 130our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 131our $LOADAVG; # same thing, but with alpha-smoothing
132our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 133our $TICK_START; # for load detecting purposes
134
135our @POST_INIT;
136
137our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102 138
103binmode STDOUT; 139binmode STDOUT;
104binmode STDERR; 140binmode STDERR;
105 141
106# read virtual server time, if available 142# read virtual server time, if available
107unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 143unless ($RUNTIME || !-e $RUNTIMEFILE) {
108 open my $fh, "<", "$LOCALDIR/runtime" 144 open my $fh, "<", $RUNTIMEFILE
109 or die "unable to read runtime file: $!"; 145 or die "unable to read $RUNTIMEFILE file: $!";
110 $RUNTIME = <$fh> + 0.; 146 $RUNTIME = <$fh> + 0.;
111} 147}
112 148
113mkdir $_ 149mkdir $_
114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 150 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
159 195
160The raw value load value from the last tick. 196The raw value load value from the last tick.
161 197
162=item %cf::CFG 198=item %cf::CFG
163 199
164Configuration for the server, loaded from C</etc/crossfire/config>, or 200Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 201from wherever your confdir points to.
166 202
167=item cf::wait_for_tick, cf::wait_for_tick_begin 203=item cf::wait_for_tick, cf::wait_for_tick_begin
168 204
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 205These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 223 $msg .= "\n"
188 unless $msg =~ /\n$/; 224 unless $msg =~ /\n$/;
189 225
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 226 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 227
192 utf8::encode $msg;
193 LOG llevError, $msg; 228 LOG llevError, $msg;
194 }; 229 };
195} 230}
231
232$Coro::State::DIEHOOK = sub {
233 return unless $^S eq 0; # "eq", not "=="
234
235 if ($Coro::current == $Coro::main) {#d#
236 warn "DIEHOOK called in main context, Coro bug?\n";#d#
237 return;#d#
238 }#d#
239
240 # kill coroutine otherwise
241 warn Carp::longmess $_[0];
242 Coro::terminate
243};
244
245$SIG{__DIE__} = sub { }; #d#?
196 246
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 247@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 248@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 249@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 250@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
207for my $pkg (qw( 257for my $pkg (qw(
208 cf::global cf::attachable 258 cf::global cf::attachable
209 cf::object cf::object::player 259 cf::object cf::object::player
210 cf::client cf::player 260 cf::client cf::player
211 cf::arch cf::living 261 cf::arch cf::living
262 cf::map cf::mapspace
212 cf::map cf::party cf::region 263 cf::party cf::region
213)) { 264)) {
214 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 265 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 266}
217 267
218$Event::DIED = sub { 268$EV::DIED = sub {
219 warn "error in event callback: @_"; 269 warn "error in event callback: @_";
220}; 270};
221 271
222############################################################################# 272#############################################################################
223 273
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 296 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 297 $d
248 } || "[unable to dump $_[0]: '$@']"; 298 } || "[unable to dump $_[0]: '$@']";
249} 299}
250 300
251=item $ref = cf::from_json $json 301=item $ref = cf::decode_json $json
252 302
253Converts a JSON string into the corresponding perl data structure. 303Converts a JSON string into the corresponding perl data structure.
254 304
255=item $json = cf::to_json $ref 305=item $json = cf::encode_json $ref
256 306
257Converts a perl data structure into its JSON representation. 307Converts a perl data structure into its JSON representation.
258 308
259=cut 309=cut
260 310
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 311our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 312
263sub to_json ($) { $json_coder->encode ($_[0]) } 313sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 314sub decode_json($) { $json_coder->decode ($_[0]) }
315
316=item cf::post_init { BLOCK }
317
318Execute the given codeblock, I<after> all extensions have been (re-)loaded,
319but I<before> the server starts ticking again.
320
321The cdoeblock will have a single boolean argument to indicate whether this
322is a reload or not.
323
324=cut
325
326sub post_init(&) {
327 push @POST_INIT, shift;
328}
265 329
266=item cf::lock_wait $string 330=item cf::lock_wait $string
267 331
268Wait until the given lock is available. See cf::lock_acquire. 332Wait until the given lock is available. See cf::lock_acquire.
269 333
270=item my $lock = cf::lock_acquire $string 334=item my $lock = cf::lock_acquire $string
271 335
272Wait until the given lock is available and then acquires it and returns 336Wait until the given lock is available and then acquires it and returns
273a Coro::guard object. If the guard object gets destroyed (goes out of scope, 337a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274for example when the coroutine gets canceled), the lock is automatically 338for example when the coroutine gets canceled), the lock is automatically
275returned. 339returned.
276 340
277Locks are *not* recursive, locking from the same coro twice results in a 341Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro. 342deadlocked coro.
284 348
285Return true if the lock is currently active, i.e. somebody has locked it. 349Return true if the lock is currently active, i.e. somebody has locked it.
286 350
287=cut 351=cut
288 352
289our %LOCK; 353our $LOCKS = new Coro::SemaphoreSet;
290our %LOCKER;#d#
291 354
292sub lock_wait($) { 355sub lock_wait($) {
293 my ($key) = @_; 356 $LOCKS->wait ($_[0]);
294
295 if ($LOCKER{$key} == $Coro::current) {#d#
296 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297 return;#d#
298 }#d#
299
300 # wait for lock, if any
301 while ($LOCK{$key}) {
302 push @{ $LOCK{$key} }, $Coro::current;
303 Coro::schedule;
304 }
305} 357}
306 358
307sub lock_acquire($) { 359sub lock_acquire($) {
308 my ($key) = @_; 360 $LOCKS->guard ($_[0])
309
310 # wait, to be sure we are not locked
311 lock_wait $key;
312
313 $LOCK{$key} = [];
314 $LOCKER{$key} = $Coro::current;#d#
315
316 Coro::guard {
317 delete $LOCKER{$key};#d#
318 # wake up all waiters, to be on the safe side
319 $_->ready for @{ delete $LOCK{$key} };
320 }
321} 361}
322 362
323sub lock_active($) { 363sub lock_active($) {
324 my ($key) = @_; 364 $LOCKS->count ($_[0]) < 1
325
326 ! ! $LOCK{$key}
327} 365}
328 366
329sub freeze_mainloop { 367sub freeze_mainloop {
330 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
331 369
332 my $guard = Coro::guard { 370 &Guard::guard (\&tick_inhibit_dec);
333 $TICK_WATCHER->start; 371}
334 }; 372
335 $TICK_WATCHER->stop; 373=item cf::periodic $interval, $cb
336 $guard 374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
337} 386}
338 387
339=item cf::get_slot $time[, $priority[, $name]] 388=item cf::get_slot $time[, $priority[, $name]]
340 389
341Allocate $time seconds of blocking CPU time at priority C<$priority>: 390Allocate $time seconds of blocking CPU time at priority C<$priority>:
352our @SLOT_QUEUE; 401our @SLOT_QUEUE;
353our $SLOT_QUEUE; 402our $SLOT_QUEUE;
354 403
355$SLOT_QUEUE->cancel if $SLOT_QUEUE; 404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356$SLOT_QUEUE = Coro::async { 405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
357 my $signal = new Coro::Signal; 408 my $signal = new Coro::Signal;
358 409
359 while () { 410 while () {
360 next_job: 411 next_job:
361 my $avail = cf::till_tick; 412 my $avail = cf::till_tick;
369 } 420 }
370 } 421 }
371 } 422 }
372 423
373 if (@SLOT_QUEUE) { 424 if (@SLOT_QUEUE) {
374 # we do not use wait_For_tick() as it returns immediately when tick is inactive 425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
375 push @cf::WAIT_FOR_TICK, $signal; 426 push @cf::WAIT_FOR_TICK, $signal;
376 $signal->wait; 427 $signal->wait;
377 } else { 428 } else {
378 Coro::schedule; 429 Coro::schedule;
379 } 430 }
380 } 431 }
381}; 432};
382 433
383sub get_slot($;$$) { 434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
384 my ($time, $pri, $name) = @_; 437 my ($time, $pri, $name) = @_;
385 438
386 $time = $TICK * .6 if $time > $TICK * .6; 439 $time = $TICK * .6 if $time > $TICK * .6;
387 my $sig = new Coro::Signal; 440 my $sig = new Coro::Signal;
388 441
402 455
403BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
404 457
405=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
406 459
407The design of Crossfire TRT requires that the main coroutine ($Coro::main) 460The design of Deliantra requires that the main coroutine ($Coro::main)
408is always able to handle events or runnable, as Crossfire TRT is only 461is always able to handle events or runnable, as Deliantra is only
409partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410acceptable. 463acceptable.
411 464
412If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
413the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
418 471
419sub sync_job(&) { 472sub sync_job(&) {
420 my ($job) = @_; 473 my ($job) = @_;
421 474
422 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
423 my $time = Event::time; 476 my $time = EV::time;
424 477
425 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
426 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
427 480
428 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
429 # (but this is cancel-safe) 482
430 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
431 484
432 my $busy = 1; 485 my $busy = 1;
433 my @res; 486 my @res;
434 487
435 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
436 @res = eval { $job->() }; 490 @res = eval { $job->() };
437 warn $@ if $@; 491 warn $@ if $@;
438 undef $busy; 492 undef $busy;
439 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
440 494
441 while ($busy) { 495 while ($busy) {
442 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
443 } 500 }
501 }
444 502
445 $time = Event::time - $time; 503 my $time = EV::time - $time;
446 504
447 LOG llevError | logBacktrace, Carp::longmess "long sync job"
448 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450 $tick_start += $time; # do not account sync jobs to server load 505 $TICK_START += $time; # do not account sync jobs to server load
451 506
452 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
453 } else { 508 } else {
454 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
455 510
480=item fork_call { }, $args 535=item fork_call { }, $args
481 536
482Executes the given code block with the given arguments in a seperate 537Executes the given code block with the given arguments in a seperate
483process, returning the results. Everything must be serialisable with 538process, returning the results. Everything must be serialisable with
484Coro::Storable. May, of course, block. Note that the executed sub may 539Coro::Storable. May, of course, block. Note that the executed sub may
485never block itself or use any form of Event handling. 540never block itself or use any form of event handling.
486 541
487=cut 542=cut
488 543
489sub fork_call(&@) { 544sub fork_call(&@) {
490 my ($cb, @args) = @_; 545 my ($cb, @args) = @_;
499 }, @args; 554 }, @args;
500 555
501 wantarray ? @res : $res[-1] 556 wantarray ? @res : $res[-1]
502} 557}
503 558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
504=item $value = cf::db_get $family => $key 586=item $value = cf::db_get $family => $key
505 587
506Returns a single value from the environment database. 588Returns a single value from the environment database.
507 589
508=item cf::db_put $family => $key => $value 590=item cf::db_put $family => $key => $value
509 591
510Stores the given C<$value> in the family. It can currently store binary 592Stores the given C<$value> in the family. It can currently store binary
511data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512 594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
513=cut 600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
514 618
515our $DB; 619our $DB;
516 620
517sub db_init { 621sub db_init {
518 unless ($DB) {
519 $DB = BDB::db_create $DB_ENV;
520
521 cf::sync_job { 622 cf::sync_job {
522 eval { 623 $DB ||= db_table "db";
523 $DB->set_flags (BDB::CHKSUM);
524
525 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527 cf::cleanup "db_open(db): $!" if $!;
528 };
529 cf::cleanup "db_open(db): $@" if $@;
530 };
531 } 624 };
532} 625}
533 626
534sub db_get($$) { 627sub db_get($$) {
535 my $key = "$_[0]/$_[1]"; 628 my $key = "$_[0]/$_[1]";
536 629
634 727
635############################################################################# 728#############################################################################
636 729
637=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
638 731
639Many objects in crossfire are so-called attachable objects. That means you can 732Many objects in deliantra are so-called attachable objects. That means you can
640attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
641to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
642 735
643In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
644C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
645Crossfire TRT). 738Deliantra).
646 739
647=over 4 740=over 4
648 741
649=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
650 743
694=item cf::CLASS::attachment $name, ... 787=item cf::CLASS::attachment $name, ...
695 788
696Register an attachment by C<$name> through which attachable objects of the 789Register an attachment by C<$name> through which attachable objects of the
697given CLASS can refer to this attachment. 790given CLASS can refer to this attachment.
698 791
699Some classes such as crossfire maps and objects can specify attachments 792Some classes such as deliantra maps and objects can specify attachments
700that are attached at load/instantiate time, thus the need for a name. 793that are attached at load/instantiate time, thus the need for a name.
701 794
702These calls expect any number of the following handler/hook descriptions: 795These calls expect any number of the following handler/hook descriptions:
703 796
704=over 4 797=over 4
932 } 1025 }
933 1026
934 0 1027 0
935} 1028}
936 1029
937=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938 1031
939=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940 1033
941Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
942 1035
948 1041
949=cut 1042=cut
950 1043
951############################################################################# 1044#############################################################################
952# object support 1045# object support
953#
954 1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
955sub _can_merge { 1080sub _can_merge {
956 my ($ob1, $ob2) = @_; 1081 my ($ob1, $ob2) = @_;
957 1082
958 local $Storable::canonical = 1; 1083 ++$SLOW_MERGES;#d#
959 my $fob1 = Storable::freeze $ob1;
960 my $fob2 = Storable::freeze $ob2;
961 1084
962 $fob1 eq $fob2 1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
963} 1087}
964 1088
965sub reattach { 1089sub reattach {
966 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
967 my ($obj) = @_; 1091 my ($obj) = @_;
968 1092
1093 # no longer needed after getting rid of delete_package?
969 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
970 1095
971 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
972 1097
973 @$registry = (); 1098 @$registry = ();
974 1099
989cf::attachable->attach ( 1114cf::attachable->attach (
990 prio => -1000000, 1115 prio => -1000000,
991 on_instantiate => sub { 1116 on_instantiate => sub {
992 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
993 1118
994 $data = from_json $data; 1119 $data = decode_json $data;
995 1120
996 for (@$data) { 1121 for (@$data) {
997 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
998 1123
999 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
1013); 1138);
1014 1139
1015sub object_freezer_save { 1140sub object_freezer_save {
1016 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
1017 1142
1018 my $guard = cf::lock_acquire "io";
1019
1020 sync_job { 1143 sync_job {
1021 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
1022 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
1023 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
1024 1148
1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
1029 close $fh; 1153 aio_close $fh;
1030 1154
1031 if (@$objs) { 1155 if (@$objs) {
1032 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
1034 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
1036 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
1037 close $fh; 1161 aio_close $fh;
1038 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
1039 } 1163 }
1040 } else { 1164 } else {
1041 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
1042 } 1166 }
1043 1167
1044 aio_rename "$filename~", $filename; 1168 aio_rename "$filename~", $filename;
1169
1170 $filename =~ s%/[^/]+$%%;
1171 aio_pathsync $filename if $cf::USE_FSYNC;
1045 } else { 1172 } else {
1046 warn "FATAL: $filename~: $!\n"; 1173 warn "FATAL: $filename~: $!\n";
1047 } 1174 }
1048 } else { 1175 } else {
1049 aio_unlink $filename; 1176 aio_unlink $filename;
1050 aio_unlink "$filename.pst"; 1177 aio_unlink "$filename.pst";
1051 } 1178 }
1052 }; 1179 };
1053
1054 undef $guard;
1055} 1180}
1056 1181
1057sub object_freezer_as_string { 1182sub object_freezer_as_string {
1058 my ($rdata, $objs) = @_; 1183 my ($rdata, $objs) = @_;
1059 1184
1064 1189
1065sub object_thawer_load { 1190sub object_thawer_load {
1066 my ($filename) = @_; 1191 my ($filename) = @_;
1067 1192
1068 my ($data, $av); 1193 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
1071 1194
1072 (aio_load $filename, $data) >= 0 1195 (aio_load $filename, $data) >= 0
1073 or return; 1196 or return;
1074 1197
1075 unless (aio_stat "$filename.pst") { 1198 unless (aio_stat "$filename.pst") {
1076 (aio_load "$filename.pst", $av) >= 0 1199 (aio_load "$filename.pst", $av) >= 0
1077 or return; 1200 or return;
1078 1201
1079 undef $guard;
1080 $av = eval { (Storable::thaw $av)->{objs} }; 1202 my $st = eval { Coro::Storable::thaw $av };
1203 $av = $st->{objs};
1081 } 1204 }
1082 1205
1206 utf8::decode (my $decname = $filename);
1083 warn sprintf "loading %s (%d)\n", 1207 warn sprintf "loading %s (%d,%d)\n",
1084 $filename, length $data, scalar @{$av || []}; 1208 $decname, length $data, scalar @{$av || []};
1085 1209
1086 ($data, $av) 1210 ($data, $av)
1087} 1211}
1088 1212
1089=head2 COMMAND CALLBACKS 1213=head2 COMMAND CALLBACKS
1145 my ($name, $cb) = @_; 1269 my ($name, $cb) = @_;
1146 1270
1147 $EXTICMD{$name} = $cb; 1271 $EXTICMD{$name} = $cb;
1148} 1272}
1149 1273
1274use File::Glob ();
1275
1150cf::player->attach ( 1276cf::player->attach (
1151 on_command => sub { 1277 on_command => sub {
1152 my ($pl, $name, $params) = @_; 1278 my ($pl, $name, $params) = @_;
1153 1279
1154 my $cb = $COMMAND{$name} 1280 my $cb = $COMMAND{$name}
1186 1312
1187 cf::override; 1313 cf::override;
1188 }, 1314 },
1189); 1315);
1190 1316
1317# "readahead" all extensions
1318sub cache_extensions {
1319 my $grp = IO::AIO::aio_group;
1320
1321 add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1322 for (grep /\.ext$/, @{$_[0]}) {
1323 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1324 }
1325 };
1326
1327 $grp
1328}
1329
1191sub load_extensions { 1330sub load_extensions {
1192 cf::sync_job { 1331 cf::sync_job {
1193 my %todo; 1332 my %todo;
1194 1333
1195 for my $path (<$LIBDIR/*.ext>) { 1334 for my $path (<$LIBDIR/*.ext>) {
1214 1353
1215 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1354 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1355 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217 1356
1218 $ext{source} = 1357 $ext{source} =
1219 "package $pkg; use strict; use utf8;\n" 1358 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1220 . "#line 1 \"$path\"\n{\n" 1359 . "#line 1 \"$path\"\n{\n"
1221 . $source 1360 . $source
1222 . "\n};\n1"; 1361 . "\n};\n1";
1223 1362
1224 $todo{$base} = \%ext; 1363 $todo{$base} = \%ext;
1240 my $msg = $@ ? "$v->{path}: $@\n" 1379 my $msg = $@ ? "$v->{path}: $@\n"
1241 : "$v->{base}: extension inactive.\n"; 1380 : "$v->{base}: extension inactive.\n";
1242 1381
1243 if (exists $v->{meta}{mandatory}) { 1382 if (exists $v->{meta}{mandatory}) {
1244 warn $msg; 1383 warn $msg;
1245 warn "mandatory extension failed to load, exiting.\n"; 1384 cf::cleanup "mandatory extension failed to load, exiting.";
1246 exit 1;
1247 } 1385 }
1248 1386
1249 warn $msg; 1387 warn $msg;
1250 } 1388 }
1251 1389
1265 1403
1266=back 1404=back
1267 1405
1268=head2 CORE EXTENSIONS 1406=head2 CORE EXTENSIONS
1269 1407
1270Functions and methods that extend core crossfire objects. 1408Functions and methods that extend core deliantra objects.
1271 1409
1272=cut 1410=cut
1273 1411
1274package cf::player; 1412package cf::player;
1275 1413
1276use Coro::AIO; 1414use Coro::AIO;
1277 1415
1278=head3 cf::player 1416=head3 cf::player
1279 1417
1280=over 4 1418=over 4
1419
1420=item cf::player::num_playing
1421
1422Returns the official number of playing players, as per the Crossfire metaserver rules.
1423
1424=cut
1425
1426sub num_playing {
1427 scalar grep
1428 $_->ob->map
1429 && !$_->hidden
1430 && !$_->ob->flag (cf::FLAG_WIZ),
1431 cf::player::list
1432}
1281 1433
1282=item cf::player::find $login 1434=item cf::player::find $login
1283 1435
1284Returns the given player object, loading it if necessary (might block). 1436Returns the given player object, loading it if necessary (might block).
1285 1437
1304 1456
1305sub exists($) { 1457sub exists($) {
1306 my ($login) = @_; 1458 my ($login) = @_;
1307 1459
1308 $cf::PLAYER{$login} 1460 $cf::PLAYER{$login}
1309 or cf::sync_job { !aio_stat path $login } 1461 or !aio_stat path $login
1310} 1462}
1311 1463
1312sub find($) { 1464sub find($) {
1313 return $cf::PLAYER{$_[0]} || do { 1465 return $cf::PLAYER{$_[0]} || do {
1314 my $login = $_[0]; 1466 my $login = $_[0];
1324 aio_unlink +(playerdir $login) . "/$login.pl"; 1476 aio_unlink +(playerdir $login) . "/$login.pl";
1325 1477
1326 my $f = new_from_file cf::object::thawer path $login 1478 my $f = new_from_file cf::object::thawer path $login
1327 or return; 1479 or return;
1328 1480
1329 $f->next;
1330 my $pl = cf::player::load_pl $f 1481 my $pl = cf::player::load_pl $f
1331 or return; 1482 or return;
1483
1332 local $cf::PLAYER_LOADING{$login} = $pl; 1484 local $cf::PLAYER_LOADING{$login} = $pl;
1333 $f->resolve_delayed_derefs; 1485 $f->resolve_delayed_derefs;
1334 $cf::PLAYER{$login} = $pl 1486 $cf::PLAYER{$login} = $pl
1335 } 1487 }
1336 } 1488 }
1346 1498
1347 return if $pl->{deny_save}; 1499 return if $pl->{deny_save};
1348 1500
1349 aio_mkdir playerdir $pl, 0770; 1501 aio_mkdir playerdir $pl, 0770;
1350 $pl->{last_save} = $cf::RUNTIME; 1502 $pl->{last_save} = $cf::RUNTIME;
1503
1504 cf::get_slot 0.01;
1351 1505
1352 $pl->save_pl ($path); 1506 $pl->save_pl ($path);
1353 cf::cede_to_tick; 1507 cf::cede_to_tick;
1354} 1508}
1355 1509
1387 my ($pl) = @_; 1541 my ($pl) = @_;
1388 1542
1389 my $name = $pl->ob->name; 1543 my $name = $pl->ob->name;
1390 1544
1391 $pl->{deny_save} = 1; 1545 $pl->{deny_save} = 1;
1392 $pl->password ("*"); # this should lock out the player until we nuked the dir 1546 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1393 1547
1394 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1548 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1395 $pl->deactivate; 1549 $pl->deactivate;
1550 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1551 $pl->ob->check_score;
1396 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1552 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1397 $pl->ns->destroy if $pl->ns; 1553 $pl->ns->destroy if $pl->ns;
1398 1554
1399 my $path = playerdir $pl; 1555 my $path = playerdir $pl;
1400 my $temp = "$path~$cf::RUNTIME~deleting~"; 1556 my $temp = "$path~$cf::RUNTIME~deleting~";
1439 1595
1440 for my $login (@$dirs) { 1596 for my $login (@$dirs) {
1441 my $path = path $login; 1597 my $path = path $login;
1442 1598
1443 # a .pst is a dead give-away for a valid player 1599 # a .pst is a dead give-away for a valid player
1444 unless (-e "$path.pst") { 1600 # if no pst file found, open and chekc for blocked users
1601 if (aio_stat "$path.pst") {
1445 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1602 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1446 aio_read $fh, 0, 512, my $buf, 0 or next; 1603 aio_read $fh, 0, 512, my $buf, 0 or next;
1447 $buf !~ /^password -------------$/m or next; # official not-valid tag 1604 $buf !~ /^password -------------$/m or next; # official not-valid tag
1448 } 1605 }
1449 1606
1480 } 1637 }
1481 1638
1482 \@paths 1639 \@paths
1483} 1640}
1484 1641
1485=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1642=item $protocol_xml = $player->expand_cfpod ($cfpod)
1486 1643
1487Expand crossfire pod fragments into protocol xml. 1644Expand deliantra pod fragments into protocol xml.
1488
1489=cut
1490
1491sub expand_cfpod {
1492 ((my $self), (local $_)) = @_;
1493
1494 # escape & and <
1495 s/&/&amp;/g;
1496 s/(?<![BIUGHT])</&lt;/g;
1497
1498 # this is buggy, it needs to properly take care of nested <'s
1499
1500 1 while
1501 # replace B<>, I<>, U<> etc.
1502 s/B<([^\>]*)>/<b>$1<\/b>/
1503 || s/I<([^\>]*)>/<i>$1<\/i>/
1504 || s/U<([^\>]*)>/<u>$1<\/u>/
1505 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506 # replace G<male|female> tags
1507 || s{G<([^>|]*)\|([^>]*)>}{
1508 $self->gender ? $2 : $1
1509 }ge
1510 # replace H<hint text>
1511 || s{H<([^\>]*)>}
1512 {
1513 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515 "")
1516 [$self->{hintmode}]
1517 }ge;
1518
1519 # create single paragraphs (very hackish)
1520 s/(?<=\S)\n(?=\w)/ /g;
1521
1522 # compress some whitespace
1523 s/\s+\n/\n/g; # ws line-ends
1524 s/\n\n+/\n/g; # double lines
1525 s/^\n+//; # beginning lines
1526 s/\n+$//; # ending lines
1527
1528 $_
1529}
1530
1531sub hintmode {
1532 $_[0]{hintmode} = $_[1] if @_ > 1;
1533 $_[0]{hintmode}
1534}
1535 1645
1536=item $player->ext_reply ($msgid, @msg) 1646=item $player->ext_reply ($msgid, @msg)
1537 1647
1538Sends an ext reply to the player. 1648Sends an ext reply to the player.
1539 1649
1606our $MAX_RESET = 3600; 1716our $MAX_RESET = 3600;
1607our $DEFAULT_RESET = 3000; 1717our $DEFAULT_RESET = 3000;
1608 1718
1609sub generate_random_map { 1719sub generate_random_map {
1610 my ($self, $rmp) = @_; 1720 my ($self, $rmp) = @_;
1721
1722 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1723
1611 # mit "rum" bekleckern, nicht 1724 # mit "rum" bekleckern, nicht
1612 $self->_create_random_map ( 1725 $self->_create_random_map (
1613 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1726 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1614 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1727 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1615 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1728 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737 1850
1738# the temporary/swap location 1851# the temporary/swap location
1739sub save_path { 1852sub save_path {
1740 my ($self) = @_; 1853 my ($self) = @_;
1741 1854
1742 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1855 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1743 "$TMPDIR/$path.map" 1856 "$TMPDIR/$path.map"
1744} 1857}
1745 1858
1746# the unique path, undef == no special unique path 1859# the unique path, undef == no special unique path
1747sub uniq_path { 1860sub uniq_path {
1748 my ($self) = @_; 1861 my ($self) = @_;
1749 1862
1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751 "$UNIQUEDIR/$path" 1864 "$UNIQUEDIR/$path"
1752} 1865}
1753 1866
1754# and all this just because we cannot iterate over 1867# and all this just because we cannot iterate over
1755# all maps in C++... 1868# all maps in C++...
1849sub find { 1962sub find {
1850 my ($path, $origin) = @_; 1963 my ($path, $origin) = @_;
1851 1964
1852 $path = normalise $path, $origin && $origin->path; 1965 $path = normalise $path, $origin && $origin->path;
1853 1966
1854 cf::lock_wait "map_data:$path";#d#remove 1967 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1855 cf::lock_wait "map_find:$path"; 1968 my $guard2 = cf::lock_acquire "map_find:$path";
1856 1969
1857 $cf::MAP{$path} || do { 1970 $cf::MAP{$path} || do {
1858 my $guard1 = cf::lock_acquire "map_find:$path";
1859 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1861 my $map = new_from_path cf::map $path 1971 my $map = new_from_path cf::map $path
1862 or return; 1972 or return;
1863 1973
1864 $map->{last_save} = $cf::RUNTIME; 1974 $map->{last_save} = $cf::RUNTIME;
1865 1975
1867 or return; 1977 or return;
1868 1978
1869 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1979 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1870 # doing this can freeze the server in a sync job, obviously 1980 # doing this can freeze the server in a sync job, obviously
1871 #$cf::WAIT_FOR_TICK->wait; 1981 #$cf::WAIT_FOR_TICK->wait;
1982 undef $guard2;
1872 undef $guard1; 1983 undef $guard1;
1873 undef $guard2;
1874 $map->reset; 1984 $map->reset;
1875 return find $path; 1985 return find $path;
1876 } 1986 }
1877 1987
1878 $cf::MAP{$path} = $map 1988 $cf::MAP{$path} = $map
1891 2001
1892 { 2002 {
1893 my $guard = cf::lock_acquire "map_data:$path"; 2003 my $guard = cf::lock_acquire "map_data:$path";
1894 2004
1895 return unless $self->valid; 2005 return unless $self->valid;
1896 return if $self->in_memory != cf::MAP_SWAPPED; 2006 return unless $self->in_memory == cf::MAP_SWAPPED;
1897 2007
1898 $self->in_memory (cf::MAP_LOADING); 2008 $self->in_memory (cf::MAP_LOADING);
1899 2009
1900 $self->alloc; 2010 $self->alloc;
1901 2011
1905 my $f = new_from_file cf::object::thawer $self->{load_path}; 2015 my $f = new_from_file cf::object::thawer $self->{load_path};
1906 $f->skip_block; 2016 $f->skip_block;
1907 $self->_load_objects ($f) 2017 $self->_load_objects ($f)
1908 or return; 2018 or return;
1909 2019
1910 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2020 $self->post_load_original
1911 if delete $self->{load_original}; 2021 if delete $self->{load_original};
1912 2022
1913 if (my $uniq = $self->uniq_path) { 2023 if (my $uniq = $self->uniq_path) {
1914 utf8::encode $uniq; 2024 utf8::encode $uniq;
1915 unless (aio_stat $uniq) { 2025 unless (aio_stat $uniq) {
1941 } 2051 }
1942 2052
1943 $self->{last_save} = $cf::RUNTIME; 2053 $self->{last_save} = $cf::RUNTIME;
1944 $self->last_access ($cf::RUNTIME); 2054 $self->last_access ($cf::RUNTIME);
1945 2055
1946 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
1947 } 2057 }
1948 2058
1949 $self->post_load; 2059 $self->post_load;
1950} 2060}
1951 2061
2009 my ($path, $origin, $load) = @_; 2119 my ($path, $origin, $load) = @_;
2010 2120
2011 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
2012 2122
2013 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
2014 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2015 } 2125 }
2016 2126
2017 $MAP_PREFETCH{$path} |= $load; 2127 $MAP_PREFETCH{$path} |= $load;
2018 2128
2019 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2130 $Coro::current->{desc} = "map prefetcher";
2131
2020 while (%MAP_PREFETCH) { 2132 while (%MAP_PREFETCH) {
2021 while (my ($k, $v) = each %MAP_PREFETCH) { 2133 while (my ($k, $v) = each %MAP_PREFETCH) {
2022 if (my $map = find $k) { 2134 if (my $map = find $k) {
2023 $map->load if $v; 2135 $map->load if $v;
2024 } 2136 }
2050 return if $self->{deny_save}; 2162 return if $self->{deny_save};
2051 2163
2052 local $self->{last_access} = $self->last_access;#d# 2164 local $self->{last_access} = $self->last_access;#d#
2053 2165
2054 cf::async { 2166 cf::async {
2167 $Coro::current->{desc} = "map player save";
2055 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
2056 }; 2169 };
2170
2171 cf::get_slot 0.02;
2057 2172
2058 if ($uniq) { 2173 if ($uniq) {
2059 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2060 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2061 } else { 2176 } else {
2070 $self->save; 2185 $self->save;
2071 2186
2072 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
2073 2188
2074 return if $self->players; 2189 return if $self->players;
2075 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
2076 return if $self->{deny_save}; 2191 return if $self->{deny_save};
2077 2192
2193 $self->in_memory (cf::MAP_SWAPPED);
2194
2078 $self->deactivate; 2195 $self->deactivate;
2196 $_->clear_links_to ($self) for values %cf::MAP;
2079 $self->clear; 2197 $self->clear;
2080 $self->in_memory (cf::MAP_SWAPPED);
2081} 2198}
2082 2199
2083sub reset_at { 2200sub reset_at {
2084 my ($self) = @_; 2201 my ($self) = @_;
2085 2202
2118 } 2235 }
2119 2236
2120 delete $cf::MAP{$self->path}; 2237 delete $cf::MAP{$self->path};
2121 2238
2122 $self->deactivate; 2239 $self->deactivate;
2240 $_->clear_links_to ($self) for values %cf::MAP;
2123 $self->clear; 2241 $self->clear;
2124
2125 $_->clear_links_to ($self) for values %cf::MAP;
2126 2242
2127 $self->unlink_save; 2243 $self->unlink_save;
2128 $self->destroy; 2244 $self->destroy;
2129} 2245}
2130 2246
2197 2313
2198sub unique_maps() { 2314sub unique_maps() {
2199 [ 2315 [
2200 map { 2316 map {
2201 utf8::decode $_; 2317 utf8::decode $_;
2202 /\.map$/ 2318 s/\.map$//; # TODO future compatibility hack
2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2320 ? ()
2203 ? normalise $_ 2321 : normalise $_
2204 : ()
2205 } @{ aio_readdir $UNIQUEDIR or [] } 2322 } @{ aio_readdir $UNIQUEDIR or [] }
2206 ] 2323 ]
2207} 2324}
2208 2325
2209package cf;
2210
2211=back 2326=back
2212 2327
2213=head3 cf::object 2328=head3 cf::object
2214 2329
2215=cut 2330=cut
2218 2333
2219=over 4 2334=over 4
2220 2335
2221=item $ob->inv_recursive 2336=item $ob->inv_recursive
2222 2337
2223Returns the inventory of the object _and_ their inventories, recursively. 2338Returns the inventory of the object I<and> their inventories, recursively,
2339but I<not> the object itself.
2224 2340
2225=cut 2341=cut
2226 2342
2227sub inv_recursive_; 2343sub inv_recursive_;
2228sub inv_recursive_ { 2344sub inv_recursive_ {
2233 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
2234} 2350}
2235 2351
2236=item $ref = $ob->ref 2352=item $ref = $ob->ref
2237 2353
2238creates and returns a persistent reference to an objetc that can be stored as a string. 2354Creates and returns a persistent reference to an object that can be stored as a string.
2239 2355
2240=item $ob = cf::object::deref ($refstring) 2356=item $ob = cf::object::deref ($refstring)
2241 2357
2242returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2358returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2243even if the object actually exists. May block. 2359even if the object actually exists. May block.
2245=cut 2361=cut
2246 2362
2247sub deref { 2363sub deref {
2248 my ($ref) = @_; 2364 my ($ref) = @_;
2249 2365
2250 # temporary compatibility#TODO#remove
2251 $ref =~ s{^<}{player/<};
2252
2253 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) { 2366 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2254 my ($uuid, $name) = ($1, $2); 2367 my ($uuid, $name) = ($1, $2);
2255 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name 2368 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2256 or return; 2369 or return;
2257 $pl->ob->uuid eq $uuid 2370 $pl->ob->uuid eq $uuid
2258 or return; 2371 or return;
2278can be C<undef>. Does the right thing when the player is currently in a 2391can be C<undef>. Does the right thing when the player is currently in a
2279dialogue with the given NPC character. 2392dialogue with the given NPC character.
2280 2393
2281=cut 2394=cut
2282 2395
2396our $SAY_CHANNEL = {
2397 id => "say",
2398 title => "Map",
2399 reply => "say ",
2400 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2401};
2402
2403our $CHAT_CHANNEL = {
2404 id => "chat",
2405 title => "Chat",
2406 reply => "chat ",
2407 tooltip => "Player chat and shouts, global to the server.",
2408};
2409
2283# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
2284# with dialog boxes. 2411# with dialog boxes.
2285#TODO: the first argument must go, split into a $npc->reply_to ( method 2412#TODO: the first argument must go, split into a $npc->reply_to ( method
2286sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
2287 my ($self, $npc, $msg, $flags) = @_; 2414 my ($self, $npc, $msg, $flags) = @_;
2298 my $dialog = $pl->{npc_dialog}; 2425 my $dialog = $pl->{npc_dialog};
2299 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2426 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2300 2427
2301 } else { 2428 } else {
2302 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
2303 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2304 } 2431 }
2305 } 2432 }
2306} 2433}
2307 2434
2308=item $object->send_msg ($channel, $msg, $color, [extra...]) 2435=item $object->send_msg ($channel, $msg, $color, [extra...])
2333 2460
2334=item $player_object->enter_link 2461=item $player_object->enter_link
2335 2462
2336Freezes the player and moves him/her to a special map (C<{link}>). 2463Freezes the player and moves him/her to a special map (C<{link}>).
2337 2464
2338The player should be reasonably safe there for short amounts of time. You 2465The player should be reasonably safe there for short amounts of time (e.g.
2339I<MUST> call C<leave_link> as soon as possible, though. 2466for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2467though, as the palyer cannot control the character while it is on the link
2468map.
2340 2469
2341Will never block. 2470Will never block.
2342 2471
2343=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
2344 2473
2402 2531
2403 $map->load; 2532 $map->load;
2404 $map->load_neighbours; 2533 $map->load_neighbours;
2405 2534
2406 return unless $self->contr->active; 2535 return unless $self->contr->active;
2536 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2407 $self->activate_recursive; 2537 $self->activate_recursive;
2408 2538
2409 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2539 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2410 $self->enter_map ($map, $x, $y); 2540 $self->enter_map ($map, $x, $y);
2411} 2541}
2416her, loading and preparing them map, calling the provided $check callback 2546her, loading and preparing them map, calling the provided $check callback
2417that has to return the map if sucecssful, and then unfreezes the player on 2547that has to return the map if sucecssful, and then unfreezes the player on
2418the new (success) or old (failed) map position. In either case, $done will 2548the new (success) or old (failed) map position. In either case, $done will
2419be called at the end of this process. 2549be called at the end of this process.
2420 2550
2551Note that $check will be called with a potentially non-loaded map, so if
2552it needs a loaded map it has to call C<< ->load >>.
2553
2421=cut 2554=cut
2422 2555
2423our $GOTOGEN; 2556our $GOTOGEN;
2424 2557
2425sub cf::object::player::goto { 2558sub cf::object::player::goto {
2429 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2562 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2430 2563
2431 $self->enter_link; 2564 $self->enter_link;
2432 2565
2433 (async { 2566 (async {
2567 $Coro::current->{desc} = "player::goto $path $x $y";
2568
2569 # *tag paths override both path and x|y
2570 if ($path =~ /^\*(.*)$/) {
2571 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2572 my $ob = $obs[rand @obs];
2573
2574 # see if we actually can go there
2575 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2576 $ob = $obs[rand @obs];
2577 } else {
2578 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2579 }
2580 # else put us there anyways for now #d#
2581
2582 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2583 } else {
2584 ($path, $x, $y) = (undef, undef, undef);
2585 }
2586 }
2587
2434 my $map = eval { 2588 my $map = eval {
2435 my $map = cf::map::find $path; 2589 my $map = defined $path ? cf::map::find $path : undef;
2436 2590
2437 if ($map) { 2591 if ($map) {
2438 $map = $map->customise_for ($self); 2592 $map = $map->customise_for ($self);
2439 $map = $check->($map) if $check && $map; 2593 $map = $check->($map) if $check && $map;
2440 } else { 2594 } else {
2441 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2595 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2442 } 2596 }
2443 2597
2444 $map 2598 $map
2445 }; 2599 };
2446 2600
2482} 2636}
2483 2637
2484sub prepare_random_map { 2638sub prepare_random_map {
2485 my ($exit) = @_; 2639 my ($exit) = @_;
2486 2640
2487 my $guard = cf::lock_acquire "exit_prepare:$exit";
2488
2489 # all this does is basically replace the /! path by 2641 # all this does is basically replace the /! path by
2490 # a new random map path (?random/...) with a seed 2642 # a new random map path (?random/...) with a seed
2491 # that depends on the exit object 2643 # that depends on the exit object
2492 2644
2493 my $rmp = parse_random_map_params $exit->msg; 2645 my $rmp = parse_random_map_params $exit->msg;
2495 if ($exit->map) { 2647 if ($exit->map) {
2496 $rmp->{region} = $exit->region->name; 2648 $rmp->{region} = $exit->region->name;
2497 $rmp->{origin_map} = $exit->map->path; 2649 $rmp->{origin_map} = $exit->map->path;
2498 $rmp->{origin_x} = $exit->x; 2650 $rmp->{origin_x} = $exit->x;
2499 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
2652
2653 $exit->map->touch;
2500 } 2654 }
2501 2655
2502 $rmp->{random_seed} ||= $exit->random_seed; 2656 $rmp->{random_seed} ||= $exit->random_seed;
2503 2657
2504 my $data = cf::to_json $rmp; 2658 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2505 my $md5 = Digest::MD5::md5_hex $data; 2659 my $md5 = Digest::MD5::md5_hex $data;
2506 my $meta = "$RANDOMDIR/$md5.meta"; 2660 my $meta = "$RANDOMDIR/$md5.meta";
2507 2661
2508 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2662 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2509 aio_write $fh, 0, (length $data), $data, 0; 2663 aio_write $fh, 0, (length $data), $data, 0;
2510 undef $fh; 2664 undef $fh;
2511 aio_rename "$meta~", $meta; 2665 aio_rename "$meta~", $meta;
2512 2666
2667 my $slaying = "?random/$md5";
2668
2669 if ($exit->valid) {
2513 $exit->slaying ("?random/$md5"); 2670 $exit->slaying ("?random/$md5");
2514 $exit->msg (undef); 2671 $exit->msg (undef);
2672 }
2515 } 2673 }
2516} 2674}
2517 2675
2518sub cf::object::player::enter_exit { 2676sub cf::object::player::enter_exit {
2519 my ($self, $exit) = @_; 2677 my ($self, $exit) = @_;
2520 2678
2521 return unless $self->type == cf::PLAYER; 2679 return unless $self->type == cf::PLAYER;
2522 2680
2523 if ($exit->slaying eq "/!") {
2524 #TODO: this should de-fi-ni-te-ly not be a sync-job
2525 # the problem is that $exit might not survive long enough
2526 # so it needs to be done right now, right here
2527 cf::sync_job { prepare_random_map $exit };
2528 }
2529
2530 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2531 my $hp = $exit->stats->hp;
2532 my $sp = $exit->stats->sp;
2533
2534 $self->enter_link; 2681 $self->enter_link;
2535 2682
2536 # if exit is damned, update players death & WoR home-position
2537 $self->contr->savebed ($slaying, $hp, $sp)
2538 if $exit->flag (FLAG_DAMNED);
2539
2540 (async { 2683 (async {
2541 $self->deactivate_recursive; # just to be sure 2684 $Coro::current->{desc} = "enter_exit";
2685
2542 unless (eval { 2686 unless (eval {
2687 $self->deactivate_recursive; # just to be sure
2688
2689 # random map handling
2690 {
2691 my $guard = cf::lock_acquire "exit_prepare:$exit";
2692
2693 prepare_random_map $exit
2694 if $exit->slaying eq "/!";
2695 }
2696
2697 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2698 my $x = $exit->stats->hp;
2699 my $y = $exit->stats->sp;
2700
2543 $self->goto ($slaying, $hp, $sp); 2701 $self->goto ($map, $x, $y);
2544 2702
2703 # if exit is damned, update players death & WoR home-position
2704 $self->contr->savebed ($map, $x, $y)
2705 if $exit->flag (cf::FLAG_DAMNED);
2706
2545 1; 2707 1
2546 }) { 2708 }) {
2547 $self->message ("Something went wrong deep within the crossfire server. " 2709 $self->message ("Something went wrong deep within the deliantra server. "
2548 . "I'll try to bring you back to the map you were before. " 2710 . "I'll try to bring you back to the map you were before. "
2549 . "Please report this to the dungeon master!", 2711 . "Please report this to the dungeon master!",
2550 cf::NDI_UNIQUE | cf::NDI_RED); 2712 cf::NDI_UNIQUE | cf::NDI_RED);
2551 2713
2552 warn "ERROR in enter_exit: $@"; 2714 warn "ERROR in enter_exit: $@";
2580the message, with C<log> being the default. If C<$color> is negative, suppress 2742the message, with C<log> being the default. If C<$color> is negative, suppress
2581the message unless the client supports the msg packet. 2743the message unless the client supports the msg packet.
2582 2744
2583=cut 2745=cut
2584 2746
2747# non-persistent channels (usually the info channel)
2585our %CHANNEL = ( 2748our %CHANNEL = (
2586 "c/identify" => { 2749 "c/identify" => {
2587 id => "identify", 2750 id => "infobox",
2588 title => "Identify", 2751 title => "Identify",
2589 reply => undef, 2752 reply => undef,
2590 tooltip => "Items recently identified", 2753 tooltip => "Items recently identified",
2591 }, 2754 },
2592 "c/examine" => { 2755 "c/examine" => {
2593 id => "examine", 2756 id => "infobox",
2594 title => "Examine", 2757 title => "Examine",
2595 reply => undef, 2758 reply => undef,
2596 tooltip => "Signs and other items you examined", 2759 tooltip => "Signs and other items you examined",
2597 }, 2760 },
2761 "c/book" => {
2762 id => "infobox",
2763 title => "Book",
2764 reply => undef,
2765 tooltip => "The contents of a note or book",
2766 },
2767 "c/lookat" => {
2768 id => "infobox",
2769 title => "Look",
2770 reply => undef,
2771 tooltip => "What you saw there",
2772 },
2773 "c/who" => {
2774 id => "infobox",
2775 title => "Players",
2776 reply => undef,
2777 tooltip => "Shows players who are currently online",
2778 },
2779 "c/body" => {
2780 id => "infobox",
2781 title => "Body Parts",
2782 reply => undef,
2783 tooltip => "Shows which body parts you posess and are available",
2784 },
2785 "c/skills" => {
2786 id => "infobox",
2787 title => "Skills",
2788 reply => undef,
2789 tooltip => "Shows your experience per skill and item power",
2790 },
2791 "c/uptime" => {
2792 id => "infobox",
2793 title => "Uptime",
2794 reply => undef,
2795 tooltip => "How long the server has been running since last restart",
2796 },
2797 "c/mapinfo" => {
2798 id => "infobox",
2799 title => "Map Info",
2800 reply => undef,
2801 tooltip => "Information related to the maps",
2802 },
2803 "c/party" => {
2804 id => "party",
2805 title => "Party",
2806 reply => "gsay ",
2807 tooltip => "Messages and chat related to your party",
2808 },
2598); 2809);
2599 2810
2600sub cf::client::send_msg { 2811sub cf::client::send_msg {
2601 my ($self, $channel, $msg, $color, @extra) = @_; 2812 my ($self, $channel, $msg, $color, @extra) = @_;
2602 2813
2603 $msg = $self->pl->expand_cfpod ($msg); 2814 $msg = $self->pl->expand_cfpod ($msg)
2815 unless $color & cf::NDI_VERBATIM;
2604 2816
2605 $color &= cf::NDI_CLIENT_MASK; # just in case... 2817 $color &= cf::NDI_CLIENT_MASK; # just in case...
2606 2818
2607 # check predefined channels, for the benefit of C 2819 # check predefined channels, for the benefit of C
2608 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2820 if ($CHANNEL{$channel}) {
2821 $channel = $CHANNEL{$channel};
2609 2822
2823 $self->ext_msg (channel_info => $channel)
2824 if $self->can_msg;
2825
2826 $channel = $channel->{id};
2827
2610 if (ref $channel) { 2828 } elsif (ref $channel) {
2611 # send meta info to client, if not yet sent 2829 # send meta info to client, if not yet sent
2612 unless (exists $self->{channel}{$channel->{id}}) { 2830 unless (exists $self->{channel}{$channel->{id}}) {
2613 $self->{channel}{$channel->{id}} = $channel; 2831 $self->{channel}{$channel->{id}} = $channel;
2614 $self->ext_msg (channel_info => $channel) 2832 $self->ext_msg (channel_info => $channel)
2615 if $self->can_msg; 2833 if $self->can_msg;
2623 if ($self->can_msg) { 2841 if ($self->can_msg) {
2624 # default colour, mask it out 2842 # default colour, mask it out
2625 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2843 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2626 if $color & cf::NDI_DEF; 2844 if $color & cf::NDI_DEF;
2627 2845
2628 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2846 my $pkt = "msg "
2847 . $self->{json_coder}->encode (
2629 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2848 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2849 );
2850
2851 # try lzf for large packets
2852 $pkt = "lzf " . Compress::LZF::compress $pkt
2853 if 1024 <= length $pkt and $self->{can_lzf};
2854
2855 # split very large packets
2856 if (8192 < length $pkt and $self->{can_lzf}) {
2857 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2858 $pkt = "frag";
2859 }
2860
2861 $self->send_packet ($pkt);
2630 } else { 2862 } else {
2631 if ($color >= 0) { 2863 if ($color >= 0) {
2632 # replace some tags by gcfclient-compatible ones 2864 # replace some tags by gcfclient-compatible ones
2633 for ($msg) { 2865 for ($msg) {
2634 1 while 2866 1 while
2832=pod 3064=pod
2833 3065
2834The following functions and methods are available within a safe environment: 3066The following functions and methods are available within a safe environment:
2835 3067
2836 cf::object 3068 cf::object
2837 contr pay_amount pay_player map x y force_find force_add 3069 contr pay_amount pay_player map x y force_find force_add destroy
2838 insert remove name archname title slaying race decrease_ob_nr 3070 insert remove name archname title slaying race decrease split
2839 3071
2840 cf::object::player 3072 cf::object::player
2841 player 3073 player
2842 3074
2843 cf::player 3075 cf::player
2848 3080
2849=cut 3081=cut
2850 3082
2851for ( 3083for (
2852 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3084 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2853 insert remove inv name archname title slaying race 3085 insert remove inv nrof name archname title slaying race
2854 decrease_ob_nr)], 3086 decrease split destroy change_exp)],
2855 ["cf::object::player" => qw(player)], 3087 ["cf::object::player" => qw(player)],
2856 ["cf::player" => qw(peaceful)], 3088 ["cf::player" => qw(peaceful)],
2857 ["cf::map" => qw(trigger)], 3089 ["cf::map" => qw(trigger)],
2858) { 3090) {
2859 no strict 'refs'; 3091 no strict 'refs';
2964 { 3196 {
2965 my $faces = $facedata->{faceinfo}; 3197 my $faces = $facedata->{faceinfo};
2966 3198
2967 while (my ($face, $info) = each %$faces) { 3199 while (my ($face, $info) = each %$faces) {
2968 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3200 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3201
2969 cf::face::set_visibility $idx, $info->{visibility}; 3202 cf::face::set_visibility $idx, $info->{visibility};
2970 cf::face::set_magicmap $idx, $info->{magicmap}; 3203 cf::face::set_magicmap $idx, $info->{magicmap};
2971 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3204 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2972 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3205 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2973 3206
2974 cf::cede_to_tick; 3207 cf::cede_to_tick;
2975 } 3208 }
2976 3209
2977 while (my ($face, $info) = each %$faces) { 3210 while (my ($face, $info) = each %$faces) {
2978 next unless $info->{smooth}; 3211 next unless $info->{smooth};
3212
2979 my $idx = cf::face::find $face 3213 my $idx = cf::face::find $face
2980 or next; 3214 or next;
3215
2981 if (my $smooth = cf::face::find $info->{smooth}) { 3216 if (my $smooth = cf::face::find $info->{smooth}) {
2982 cf::face::set_smooth $idx, $smooth; 3217 cf::face::set_smooth $idx, $smooth;
2983 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3218 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2984 } else { 3219 } else {
2985 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3220 warn "smooth face '$info->{smooth}' not found for face '$face'";
3003 { 3238 {
3004 # TODO: for gcfclient pleasure, we should give resources 3239 # TODO: for gcfclient pleasure, we should give resources
3005 # that gcfclient doesn't grok a >10000 face index. 3240 # that gcfclient doesn't grok a >10000 face index.
3006 my $res = $facedata->{resource}; 3241 my $res = $facedata->{resource};
3007 3242
3008 my $soundconf = delete $res->{"res/sound.conf"};
3009
3010 while (my ($name, $info) = each %$res) { 3243 while (my ($name, $info) = each %$res) {
3244 if (defined $info->{type}) {
3011 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3245 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3012 my $data; 3246 my $data;
3013 3247
3014 if ($info->{type} & 1) { 3248 if ($info->{type} & 1) {
3015 # prepend meta info 3249 # prepend meta info
3016 3250
3017 my $meta = $enc->encode ({ 3251 my $meta = $enc->encode ({
3018 name => $name, 3252 name => $name,
3019 %{ $info->{meta} || {} }, 3253 %{ $info->{meta} || {} },
3020 }); 3254 });
3021 3255
3022 $data = pack "(w/a*)*", $meta, $info->{data}; 3256 $data = pack "(w/a*)*", $meta, $info->{data};
3257 } else {
3258 $data = $info->{data};
3259 }
3260
3261 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3262 cf::face::set_type $idx, $info->{type};
3023 } else { 3263 } else {
3024 $data = $info->{data}; 3264 $RESOURCE{$name} = $info;
3025 } 3265 }
3026 3266
3027 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3028 cf::face::set_type $idx, $info->{type};
3029
3030 cf::cede_to_tick; 3267 cf::cede_to_tick;
3031 } 3268 }
3032
3033 if ($soundconf) {
3034 $soundconf = $enc->decode (delete $soundconf->{data});
3035
3036 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3037 my $sound = $soundconf->{compat}[$_]
3038 or next;
3039
3040 my $face = cf::face::find "sound/$sound->[1]";
3041 cf::sound::set $sound->[0] => $face;
3042 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3043 }
3044
3045 while (my ($k, $v) = each %{$soundconf->{event}}) {
3046 my $face = cf::face::find "sound/$v";
3047 cf::sound::set $k => $face;
3048 }
3049 }
3050 } 3269 }
3270
3271 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3051 3272
3052 1 3273 1
3053} 3274}
3275
3276cf::global->attach (on_resource_update => sub {
3277 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3278 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3279
3280 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3281 my $sound = $soundconf->{compat}[$_]
3282 or next;
3283
3284 my $face = cf::face::find "sound/$sound->[1]";
3285 cf::sound::set $sound->[0] => $face;
3286 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3287 }
3288
3289 while (my ($k, $v) = each %{$soundconf->{event}}) {
3290 my $face = cf::face::find "sound/$v";
3291 cf::sound::set $k => $face;
3292 }
3293 }
3294});
3054 3295
3055register_exticmd fx_want => sub { 3296register_exticmd fx_want => sub {
3056 my ($ns, $want) = @_; 3297 my ($ns, $want) = @_;
3057 3298
3058 while (my ($k, $v) = each %$want) { 3299 while (my ($k, $v) = each %$want) {
3059 $ns->fx_want ($k, $v); 3300 $ns->fx_want ($k, $v);
3060 } 3301 }
3061}; 3302};
3303
3304sub load_resource_file($) {
3305 my $guard = lock_acquire "load_resource_file";
3306
3307 my $status = load_resource_file_ $_[0];
3308 get_slot 0.1, 100;
3309 cf::arch::commit_load;
3310
3311 $status
3312}
3062 3313
3063sub reload_regions { 3314sub reload_regions {
3064 # HACK to clear player env face cache, we need some signal framework 3315 # HACK to clear player env face cache, we need some signal framework
3065 # for this (global event?) 3316 # for this (global event?)
3066 %ext::player_env::MUSIC_FACE_CACHE = (); 3317 %ext::player_env::MUSIC_FACE_CACHE = ();
3080} 3331}
3081 3332
3082sub reload_archetypes { 3333sub reload_archetypes {
3083 load_resource_file "$DATADIR/archetypes" 3334 load_resource_file "$DATADIR/archetypes"
3084 or die "unable to load archetypes\n"; 3335 or die "unable to load archetypes\n";
3085 #d# NEED to laod twice to resolve forward references
3086 # this really needs to be done in an extra post-pass
3087 # (which needs to be synchronous, so solve it differently)
3088 load_resource_file "$DATADIR/archetypes"
3089 or die "unable to load archetypes\n";
3090} 3336}
3091 3337
3092sub reload_treasures { 3338sub reload_treasures {
3093 load_resource_file "$DATADIR/treasures" 3339 load_resource_file "$DATADIR/treasures"
3094 or die "unable to load treasurelists\n"; 3340 or die "unable to load treasurelists\n";
3095} 3341}
3096 3342
3097sub reload_resources { 3343sub reload_resources {
3098 warn "reloading resource files...\n"; 3344 warn "reloading resource files...\n";
3099 3345
3346 reload_facedata;
3347 reload_archetypes;
3100 reload_regions; 3348 reload_regions;
3101 reload_facedata;
3102 #reload_archetypes;#d#
3103 reload_archetypes;
3104 reload_treasures; 3349 reload_treasures;
3105 3350
3106 warn "finished reloading resource files\n"; 3351 warn "finished reloading resource files\n";
3107}
3108
3109sub init {
3110 reload_resources;
3111} 3352}
3112 3353
3113sub reload_config { 3354sub reload_config {
3114 open my $fh, "<:utf8", "$CONFDIR/config" 3355 open my $fh, "<:utf8", "$CONFDIR/config"
3115 or return; 3356 or return;
3116 3357
3117 local $/; 3358 local $/;
3118 *CFG = YAML::Syck::Load <$fh>; 3359 *CFG = YAML::Load <$fh>;
3119 3360
3120 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3361 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3121 3362
3122 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3363 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3123 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3364 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3129 }; 3370 };
3130 warn $@ if $@; 3371 warn $@ if $@;
3131 } 3372 }
3132} 3373}
3133 3374
3375sub pidfile() {
3376 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3377 or die "$PIDFILE: $!";
3378 flock $fh, &Fcntl::LOCK_EX
3379 or die "$PIDFILE: flock: $!";
3380 $fh
3381}
3382
3383# make sure only one server instance is running at any one time
3384sub atomic {
3385 my $fh = pidfile;
3386
3387 my $pid = <$fh>;
3388 kill 9, $pid if $pid > 0;
3389
3390 seek $fh, 0, 0;
3391 print $fh $$;
3392}
3393
3134sub main { 3394sub main {
3395 cf::init_globals; # initialise logging
3396
3397 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3398 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3399 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3400 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3401
3402 cf::init_experience;
3403 cf::init_anim;
3404 cf::init_attackmess;
3405 cf::init_dynamic;
3406 cf::init_block;
3407
3408 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3409
3135 # we must not ever block the main coroutine 3410 # we must not ever block the main coroutine
3136 local $Coro::idle = sub { 3411 local $Coro::idle = sub {
3137 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3412 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3138 (async { 3413 (async {
3139 Event::one_event; 3414 $Coro::current->{desc} = "IDLE BUG HANDLER";
3415 EV::loop EV::LOOP_ONESHOT;
3140 })->prio (Coro::PRIO_MAX); 3416 })->prio (Coro::PRIO_MAX);
3141 }; 3417 };
3142 3418
3419 evthread_start IO::AIO::poll_fileno;
3420
3421 cf::sync_job {
3422 reload_resources;
3143 reload_config; 3423 reload_config;
3144 db_init; 3424 db_init;
3425
3426 cf::load_settings;
3427 cf::load_materials;
3428 cf::init_uuid;
3429 cf::init_signals;
3430 cf::init_commands;
3431 cf::init_skills;
3432
3433 cf::init_beforeplay;
3434
3435 atomic;
3436
3145 load_extensions; 3437 load_extensions;
3146 3438
3147 $TICK_WATCHER->start; 3439 utime time, time, $RUNTIMEFILE;
3440
3441 # no (long-running) fork's whatsoever before this point(!)
3442 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3443
3444 (pop @POST_INIT)->(0) while @POST_INIT;
3445 };
3446
3148 Event::loop; 3447 EV::loop;
3149} 3448}
3150 3449
3151############################################################################# 3450#############################################################################
3152# initialisation and cleanup 3451# initialisation and cleanup
3153 3452
3154# install some emergency cleanup handlers 3453# install some emergency cleanup handlers
3155BEGIN { 3454BEGIN {
3455 our %SIGWATCHER = ();
3156 for my $signal (qw(INT HUP TERM)) { 3456 for my $signal (qw(INT HUP TERM)) {
3157 Event->signal ( 3457 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3158 reentrant => 0,
3159 data => WF_AUTOCANCEL,
3160 signal => $signal,
3161 prio => 0,
3162 cb => sub {
3163 cf::cleanup "SIG$signal"; 3458 cf::cleanup "SIG$signal";
3164 },
3165 ); 3459 };
3166 } 3460 }
3167} 3461}
3168 3462
3169sub write_runtime { 3463sub write_runtime_sync {
3170 my $runtime = "$LOCALDIR/runtime";
3171
3172 # first touch the runtime file to show we are still running: 3464 # first touch the runtime file to show we are still running:
3173 # the fsync below can take a very very long time. 3465 # the fsync below can take a very very long time.
3174 3466
3175 IO::AIO::aio_utime $runtime, undef, undef; 3467 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3176 3468
3177 my $guard = cf::lock_acquire "write_runtime"; 3469 my $guard = cf::lock_acquire "write_runtime";
3178 3470
3179 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3471 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3180 or return; 3472 or return;
3181 3473
3182 my $value = $cf::RUNTIME + 90 + 10; 3474 my $value = $cf::RUNTIME + 90 + 10;
3183 # 10 is the runtime save interval, for a monotonic clock 3475 # 10 is the runtime save interval, for a monotonic clock
3184 # 60 allows for the watchdog to kill the server. 3476 # 60 allows for the watchdog to kill the server.
3194 aio_utime $fh, undef, undef; 3486 aio_utime $fh, undef, undef;
3195 3487
3196 close $fh 3488 close $fh
3197 or return; 3489 or return;
3198 3490
3199 aio_rename "$runtime~", $runtime 3491 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3200 and return; 3492 and return;
3201 3493
3202 warn "runtime file written.\n"; 3494 warn "runtime file written.\n";
3203 3495
3204 1 3496 1
3497}
3498
3499our $uuid_lock;
3500our $uuid_skip;
3501
3502sub write_uuid_sync($) {
3503 $uuid_skip ||= $_[0];
3504
3505 return if $uuid_lock;
3506 local $uuid_lock = 1;
3507
3508 my $uuid = "$LOCALDIR/uuid";
3509
3510 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511 or return;
3512
3513 my $value = uuid_seq uuid_cur;
3514
3515 unless ($value) {
3516 warn "cowardly refusing to write zero uuid value!\n";
3517 return;
3518 }
3519
3520 my $value = uuid_str $value + $uuid_skip;
3521 $uuid_skip = 0;
3522
3523 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3524 and return;
3525
3526 # always fsync - this file is important
3527 aio_fsync $fh
3528 and return;
3529
3530 close $fh
3531 or return;
3532
3533 aio_rename "$uuid~", $uuid
3534 and return;
3535
3536 warn "uuid file written ($value).\n";
3537
3538 1
3539
3540}
3541
3542sub write_uuid($$) {
3543 my ($skip, $sync) = @_;
3544
3545 $sync ? write_uuid_sync $skip
3546 : async { write_uuid_sync $skip };
3205} 3547}
3206 3548
3207sub emergency_save() { 3549sub emergency_save() {
3208 my $freeze_guard = cf::freeze_mainloop; 3550 my $freeze_guard = cf::freeze_mainloop;
3209 3551
3210 warn "enter emergency perl save\n"; 3552 warn "emergency_perl_save: enter\n";
3211 3553
3212 cf::sync_job { 3554 cf::sync_job {
3555 # this is a trade-off: we want to be very quick here, so
3556 # save all maps without fsync, and later call a global sync
3557 # (which in turn might be very very slow)
3558 local $USE_FSYNC = 0;
3559
3213 # use a peculiar iteration method to avoid tripping on perl 3560 # use a peculiar iteration method to avoid tripping on perl
3214 # refcount bugs in for. also avoids problems with players 3561 # refcount bugs in for. also avoids problems with players
3215 # and maps saved/destroyed asynchronously. 3562 # and maps saved/destroyed asynchronously.
3216 warn "begin emergency player save\n"; 3563 warn "emergency_perl_save: begin player save\n";
3217 for my $login (keys %cf::PLAYER) { 3564 for my $login (keys %cf::PLAYER) {
3218 my $pl = $cf::PLAYER{$login} or next; 3565 my $pl = $cf::PLAYER{$login} or next;
3219 $pl->valid or next; 3566 $pl->valid or next;
3567 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3220 $pl->save; 3568 $pl->save;
3221 } 3569 }
3222 warn "end emergency player save\n"; 3570 warn "emergency_perl_save: end player save\n";
3223 3571
3224 warn "begin emergency map save\n"; 3572 warn "emergency_perl_save: begin map save\n";
3225 for my $path (keys %cf::MAP) { 3573 for my $path (keys %cf::MAP) {
3226 my $map = $cf::MAP{$path} or next; 3574 my $map = $cf::MAP{$path} or next;
3227 $map->valid or next; 3575 $map->valid or next;
3228 $map->save; 3576 $map->save;
3229 } 3577 }
3230 warn "end emergency map save\n"; 3578 warn "emergency_perl_save: end map save\n";
3231 3579
3232 warn "begin emergency database checkpoint\n"; 3580 warn "emergency_perl_save: begin database checkpoint\n";
3233 BDB::db_env_txn_checkpoint $DB_ENV; 3581 BDB::db_env_txn_checkpoint $DB_ENV;
3234 warn "end emergency database checkpoint\n"; 3582 warn "emergency_perl_save: end database checkpoint\n";
3583
3584 warn "emergency_perl_save: begin write uuid\n";
3585 write_uuid_sync 1;
3586 warn "emergency_perl_save: end write uuid\n";
3235 }; 3587 };
3236 3588
3589 warn "emergency_perl_save: starting sync()\n";
3590 IO::AIO::aio_sync sub {
3591 warn "emergency_perl_save: finished sync()\n";
3592 };
3593
3237 warn "leave emergency perl save\n"; 3594 warn "emergency_perl_save: leave\n";
3238} 3595}
3239 3596
3240sub post_cleanup { 3597sub post_cleanup {
3241 my ($make_core) = @_; 3598 my ($make_core) = @_;
3242 3599
3243 warn Carp::longmess "post_cleanup backtrace" 3600 warn Carp::longmess "post_cleanup backtrace"
3244 if $make_core; 3601 if $make_core;
3602
3603 my $fh = pidfile;
3604 unlink $PIDFILE if <$fh> == $$;
3605}
3606
3607# a safer delete_package, copied from Symbol
3608sub clear_package($) {
3609 my $pkg = shift;
3610
3611 # expand to full symbol table name if needed
3612 unless ($pkg =~ /^main::.*::$/) {
3613 $pkg = "main$pkg" if $pkg =~ /^::/;
3614 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3615 $pkg .= '::' unless $pkg =~ /::$/;
3616 }
3617
3618 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3619 my $stem_symtab = *{$stem}{HASH};
3620
3621 defined $stem_symtab and exists $stem_symtab->{$leaf}
3622 or return;
3623
3624 # clear all symbols
3625 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3626 for my $name (keys %$leaf_symtab) {
3627 _gv_clear *{"$pkg$name"};
3628# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3629 }
3630 warn "cleared package $pkg\n";#d#
3245} 3631}
3246 3632
3247sub do_reload_perl() { 3633sub do_reload_perl() {
3248 # can/must only be called in main 3634 # can/must only be called in main
3249 if ($Coro::current != $Coro::main) { 3635 if ($Coro::current != $Coro::main) {
3250 warn "can only reload from main coroutine"; 3636 warn "can only reload from main coroutine";
3251 return; 3637 return;
3252 } 3638 }
3253 3639
3640 return if $RELOAD++;
3641
3642 my $t1 = EV::time;
3643
3644 while ($RELOAD) {
3254 warn "reloading..."; 3645 warn "reloading...";
3255 3646
3256 warn "entering sync_job"; 3647 warn "entering sync_job";
3257 3648
3258 cf::sync_job { 3649 cf::sync_job {
3259 cf::write_runtime; # external watchdog should not bark 3650 cf::write_runtime_sync; # external watchdog should not bark
3260 cf::emergency_save; 3651 cf::emergency_save;
3261 cf::write_runtime; # external watchdog should not bark 3652 cf::write_runtime_sync; # external watchdog should not bark
3262 3653
3263 warn "syncing database to disk"; 3654 warn "syncing database to disk";
3264 BDB::db_env_txn_checkpoint $DB_ENV; 3655 BDB::db_env_txn_checkpoint $DB_ENV;
3265 3656
3266 # if anything goes wrong in here, we should simply crash as we already saved 3657 # if anything goes wrong in here, we should simply crash as we already saved
3267 3658
3268 warn "cancelling all WF_AUTOCANCEL watchers";
3269 for (Event::all_watchers) {
3270 $_->cancel if $_->data & WF_AUTOCANCEL;
3271 }
3272
3273 warn "flushing outstanding aio requests"; 3659 warn "flushing outstanding aio requests";
3274 for (;;) {
3275 BDB::flush;
3276 IO::AIO::flush;
3277 Coro::cede;
3278 last unless IO::AIO::nreqs || BDB::nreqs; 3660 while (IO::AIO::nreqs || BDB::nreqs) {
3279 warn "iterate..."; 3661 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3280 }
3281
3282 ++$RELOAD;
3283
3284 warn "cancelling all extension coros";
3285 $_->cancel for values %EXT_CORO;
3286 %EXT_CORO = ();
3287
3288 warn "removing commands";
3289 %COMMAND = ();
3290
3291 warn "removing ext/exti commands";
3292 %EXTCMD = ();
3293 %EXTICMD = ();
3294
3295 warn "unloading/nuking all extensions";
3296 for my $pkg (@EXTS) {
3297 warn "... unloading $pkg";
3298
3299 if (my $cb = $pkg->can ("unload")) {
3300 eval {
3301 $cb->($pkg);
3302 1
3303 } or warn "$pkg unloaded, but with errors: $@";
3304 } 3662 }
3305 3663
3306 warn "... nuking $pkg"; 3664 warn "cancelling all extension coros";
3307 Symbol::delete_package $pkg; 3665 $_->cancel for values %EXT_CORO;
3308 } 3666 %EXT_CORO = ();
3309 3667
3310 warn "unloading all perl modules loaded from $LIBDIR"; 3668 warn "removing commands";
3311 while (my ($k, $v) = each %INC) { 3669 %COMMAND = ();
3312 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3313 3670
3671 warn "removing ext/exti commands";
3672 %EXTCMD = ();
3673 %EXTICMD = ();
3674
3675 warn "unloading/nuking all extensions";
3676 for my $pkg (@EXTS) {
3314 warn "... unloading $k"; 3677 warn "... unloading $pkg";
3315 delete $INC{$k};
3316 3678
3317 $k =~ s/\.pm$//;
3318 $k =~ s/\//::/g;
3319
3320 if (my $cb = $k->can ("unload_module")) { 3679 if (my $cb = $pkg->can ("unload")) {
3680 eval {
3321 $cb->(); 3681 $cb->($pkg);
3682 1
3683 } or warn "$pkg unloaded, but with errors: $@";
3684 }
3685
3686 warn "... clearing $pkg";
3687 clear_package $pkg;
3322 } 3688 }
3323 3689
3324 Symbol::delete_package $k; 3690 warn "unloading all perl modules loaded from $LIBDIR";
3691 while (my ($k, $v) = each %INC) {
3692 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3693
3694 warn "... unloading $k";
3695 delete $INC{$k};
3696
3697 $k =~ s/\.pm$//;
3698 $k =~ s/\//::/g;
3699
3700 if (my $cb = $k->can ("unload_module")) {
3701 $cb->();
3702 }
3703
3704 clear_package $k;
3325 } 3705 }
3326 3706
3327 warn "getting rid of safe::, as good as possible"; 3707 warn "getting rid of safe::, as good as possible";
3328 Symbol::delete_package "safe::$_" 3708 clear_package "safe::$_"
3329 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3709 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3330 3710
3331 warn "unloading cf.pm \"a bit\""; 3711 warn "unloading cf.pm \"a bit\"";
3332 delete $INC{"cf.pm"}; 3712 delete $INC{"cf.pm"};
3333 delete $INC{"cf/pod.pm"}; 3713 delete $INC{"cf/pod.pm"};
3334 3714
3335 # don't, removes xs symbols, too, 3715 # don't, removes xs symbols, too,
3336 # and global variables created in xs 3716 # and global variables created in xs
3337 #Symbol::delete_package __PACKAGE__; 3717 #clear_package __PACKAGE__;
3338 3718
3339 warn "unload completed, starting to reload now"; 3719 warn "unload completed, starting to reload now";
3340 3720
3341 warn "reloading cf.pm"; 3721 warn "reloading cf.pm";
3342 require cf; 3722 require cf;
3343 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3723 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3344 3724
3345 warn "loading config and database again"; 3725 warn "loading config and database again";
3346 cf::reload_config; 3726 cf::reload_config;
3347 3727
3348 warn "loading extensions"; 3728 warn "loading extensions";
3349 cf::load_extensions; 3729 cf::load_extensions;
3350 3730
3731 if ($REATTACH_ON_RELOAD) {
3351 warn "reattaching attachments to objects/players"; 3732 warn "reattaching attachments to objects/players";
3352 _global_reattach; # objects, sockets 3733 _global_reattach; # objects, sockets
3353 warn "reattaching attachments to maps"; 3734 warn "reattaching attachments to maps";
3354 reattach $_ for values %MAP; 3735 reattach $_ for values %MAP;
3355 warn "reattaching attachments to players"; 3736 warn "reattaching attachments to players";
3356 reattach $_ for values %PLAYER; 3737 reattach $_ for values %PLAYER;
3738 }
3357 3739
3740 warn "running post_init jobs";
3741 (pop @POST_INIT)->(1) while @POST_INIT;
3742
3358 warn "leaving sync_job"; 3743 warn "leaving sync_job";
3359 3744
3360 1 3745 1
3361 } or do { 3746 } or do {
3362 warn $@; 3747 warn $@;
3363 warn "error while reloading, exiting."; 3748 cf::cleanup "error while reloading, exiting.";
3364 exit 1;
3365 }; 3749 };
3366 3750
3367 warn "reloaded"; 3751 warn "reloaded";
3752 --$RELOAD;
3753 }
3754
3755 $t1 = EV::time - $t1;
3756 warn "reload completed in ${t1}s\n";
3368}; 3757};
3369 3758
3370our $RELOAD_WATCHER; # used only during reload 3759our $RELOAD_WATCHER; # used only during reload
3371 3760
3372sub reload_perl() { 3761sub reload_perl() {
3373 # doing reload synchronously and two reloads happen back-to-back, 3762 # doing reload synchronously and two reloads happen back-to-back,
3374 # coro crashes during coro_state_free->destroy here. 3763 # coro crashes during coro_state_free->destroy here.
3375 3764
3376 $RELOAD_WATCHER ||= Event->timer ( 3765 $RELOAD_WATCHER ||= cf::async {
3377 reentrant => 0, 3766 Coro::AIO::aio_wait cache_extensions;
3378 after => 0, 3767
3379 data => WF_AUTOCANCEL, 3768 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3380 cb => sub {
3381 do_reload_perl; 3769 do_reload_perl;
3382 undef $RELOAD_WATCHER; 3770 undef $RELOAD_WATCHER;
3383 }, 3771 };
3384 ); 3772 };
3385} 3773}
3386 3774
3387register_command "reload" => sub { 3775register_command "reload" => sub {
3388 my ($who, $arg) = @_; 3776 my ($who, $arg) = @_;
3389 3777
3390 if ($who->flag (FLAG_WIZ)) { 3778 if ($who->flag (FLAG_WIZ)) {
3391 $who->message ("reloading server."); 3779 $who->message ("reloading server.");
3780 async {
3781 $Coro::current->{desc} = "perl_reload";
3392 async { reload_perl }; 3782 reload_perl;
3783 };
3393 } 3784 }
3394}; 3785};
3395 3786
3396unshift @INC, $LIBDIR; 3787unshift @INC, $LIBDIR;
3397 3788
3399 3790
3400our @WAIT_FOR_TICK; 3791our @WAIT_FOR_TICK;
3401our @WAIT_FOR_TICK_BEGIN; 3792our @WAIT_FOR_TICK_BEGIN;
3402 3793
3403sub wait_for_tick { 3794sub wait_for_tick {
3404 return unless $TICK_WATCHER->is_active;
3405 return if $Coro::current == $Coro::main; 3795 return if tick_inhibit || $Coro::current == $Coro::main;
3406 3796
3407 my $signal = new Coro::Signal; 3797 my $signal = new Coro::Signal;
3408 push @WAIT_FOR_TICK, $signal; 3798 push @WAIT_FOR_TICK, $signal;
3409 $signal->wait; 3799 $signal->wait;
3410} 3800}
3411 3801
3412sub wait_for_tick_begin { 3802sub wait_for_tick_begin {
3413 return unless $TICK_WATCHER->is_active;
3414 return if $Coro::current == $Coro::main; 3803 return if tick_inhibit || $Coro::current == $Coro::main;
3415 3804
3416 my $signal = new Coro::Signal; 3805 my $signal = new Coro::Signal;
3417 push @WAIT_FOR_TICK_BEGIN, $signal; 3806 push @WAIT_FOR_TICK_BEGIN, $signal;
3418 $signal->wait; 3807 $signal->wait;
3419} 3808}
3420 3809
3421 my $min = 1e6;#d# 3810sub tick {
3422 my $avg = 10;
3423$TICK_WATCHER = Event->timer (
3424 reentrant => 0,
3425 parked => 1,
3426 prio => 0,
3427 at => $NEXT_TICK || $TICK,
3428 data => WF_AUTOCANCEL,
3429 cb => sub {
3430 if ($Coro::current != $Coro::main) { 3811 if ($Coro::current != $Coro::main) {
3431 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3812 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3432 unless ++$bug_warning > 10; 3813 unless ++$bug_warning > 10;
3433 return; 3814 return;
3434 } 3815 }
3435 3816
3436 $NOW = $tick_start = Event::time;
3437
3438 cf::server_tick; # one server iteration 3817 cf::server_tick; # one server iteration
3439 3818
3440 0 && sync_job {#d# 3819 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3441 for(1..10) { 3820 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3442 my $t = Event::time; 3821 Coro::async_pool {
3443 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3822 $Coro::current->{desc} = "runtime saver";
3444 or die; 3823 write_runtime_sync
3445 3824 or warn "ERROR: unable to write runtime file: $!";
3446 $map->width (50);
3447 $map->height (50);
3448 $map->alloc;
3449 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3450 my $t = Event::time - $t;
3451
3452 #next unless $t < 0.0013;#d#
3453 if ($t < $min) {
3454 $min = $t;
3455 }
3456 $avg = $avg * 0.99 + $t * 0.01;
3457 }
3458 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3459 exit 0;
3460 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3461 }; 3825 };
3826 }
3462 3827
3463 $RUNTIME += $TICK;
3464 $NEXT_TICK += $TICK;
3465
3466 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3467 $NEXT_RUNTIME_WRITE = $NOW + 10;
3468 Coro::async_pool {
3469 write_runtime
3470 or warn "ERROR: unable to write runtime file: $!";
3471 };
3472 }
3473
3474# my $AFTER = Event::time;
3475# warn $AFTER - $NOW;#d#
3476
3477 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3828 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3478 $sig->send; 3829 $sig->send;
3479 } 3830 }
3480 while (my $sig = shift @WAIT_FOR_TICK) { 3831 while (my $sig = shift @WAIT_FOR_TICK) {
3481 $sig->send; 3832 $sig->send;
3482 } 3833 }
3483 3834
3484 $NOW = Event::time; 3835 $LOAD = ($NOW - $TICK_START) / $TICK;
3485
3486 # if we are delayed by four ticks or more, skip them all
3487 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3488
3489 $TICK_WATCHER->at ($NEXT_TICK);
3490 $TICK_WATCHER->start;
3491
3492 $LOAD = ($NOW - $tick_start) / $TICK;
3493 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3836 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3494 3837
3495 _post_tick; 3838 if (0) {
3496 3839 if ($NEXT_TICK) {
3497 3840 my $jitter = $TICK_START - $NEXT_TICK;
3841 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3842 warn "jitter $JITTER\n";#d#
3843 }
3498 }, 3844 }
3499); 3845}
3500 3846
3501{ 3847{
3502 BDB::max_poll_time $TICK * 0.1; 3848 # configure BDB
3503 $BDB_POLL_WATCHER = Event->io ( 3849
3504 reentrant => 0,
3505 fd => BDB::poll_fileno,
3506 poll => 'r',
3507 prio => 0,
3508 data => WF_AUTOCANCEL,
3509 cb => \&BDB::poll_cb,
3510 );
3511 BDB::min_parallel 8; 3850 BDB::min_parallel 8;
3512 3851 BDB::max_poll_reqs $TICK * 0.1;
3513 BDB::set_sync_prepare { 3852 $AnyEvent::BDB::WATCHER->priority (1);
3514 my $status;
3515 my $current = $Coro::current;
3516 (
3517 sub {
3518 $status = $!;
3519 $current->ready; undef $current;
3520 },
3521 sub {
3522 Coro::schedule while defined $current;
3523 $! = $status;
3524 },
3525 )
3526 };
3527 3853
3528 unless ($DB_ENV) { 3854 unless ($DB_ENV) {
3529 $DB_ENV = BDB::db_env_create; 3855 $DB_ENV = BDB::db_env_create;
3856 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3857 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3858 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3859 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3860 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3530 3861
3531 cf::sync_job { 3862 cf::sync_job {
3532 eval { 3863 eval {
3533 BDB::db_env_open 3864 BDB::db_env_open
3534 $DB_ENV, 3865 $DB_ENV,
3536 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3867 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3537 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3868 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3538 0666; 3869 0666;
3539 3870
3540 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3871 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3541
3542 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3543 $DB_ENV->set_lk_detect;
3544 }; 3872 };
3545 3873
3546 cf::cleanup "db_env_open(db): $@" if $@; 3874 cf::cleanup "db_env_open(db): $@" if $@;
3547 }; 3875 };
3548 } 3876 }
3877
3878 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3879 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3880 };
3881 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3882 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3883 };
3884 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3885 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3886 };
3549} 3887}
3550 3888
3551{ 3889{
3890 # configure IO::AIO
3891
3552 IO::AIO::min_parallel 8; 3892 IO::AIO::min_parallel 8;
3553
3554 undef $Coro::AIO::WATCHER;
3555 IO::AIO::max_poll_time $TICK * 0.1; 3893 IO::AIO::max_poll_time $TICK * 0.1;
3556 $AIO_POLL_WATCHER = Event->io ( 3894 undef $AnyEvent::AIO::WATCHER;
3557 reentrant => 0,
3558 data => WF_AUTOCANCEL,
3559 fd => IO::AIO::poll_fileno,
3560 poll => 'r',
3561 prio => 6,
3562 cb => \&IO::AIO::poll_cb,
3563 );
3564} 3895}
3565 3896
3566my $_log_backtrace; 3897my $_log_backtrace;
3567 3898
3568sub _log_backtrace { 3899sub _log_backtrace {
3571 $msg =~ s/\n//; 3902 $msg =~ s/\n//;
3572 3903
3573 # limit the # of concurrent backtraces 3904 # limit the # of concurrent backtraces
3574 if ($_log_backtrace < 2) { 3905 if ($_log_backtrace < 2) {
3575 ++$_log_backtrace; 3906 ++$_log_backtrace;
3907 my $perl_bt = Carp::longmess $msg;
3576 async { 3908 async {
3909 $Coro::current->{desc} = "abt $msg";
3910
3577 my @bt = fork_call { 3911 my @bt = fork_call {
3578 @addr = map { sprintf "%x", $_ } @addr; 3912 @addr = map { sprintf "%x", $_ } @addr;
3579 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3913 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3580 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3914 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3581 or die "addr2line: $!"; 3915 or die "addr2line: $!";
3589 } 3923 }
3590 3924
3591 @funcs 3925 @funcs
3592 }; 3926 };
3593 3927
3594 LOG llevInfo, "[ABT] $msg\n"; 3928 LOG llevInfo, "[ABT] $perl_bt\n";
3929 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3595 LOG llevInfo, "[ABT] $_\n" for @bt; 3930 LOG llevInfo, "[ABT] $_\n" for @bt;
3596 --$_log_backtrace; 3931 --$_log_backtrace;
3597 }; 3932 };
3598 } else { 3933 } else {
3599 LOG llevInfo, "[ABT] $msg\n"; 3934 LOG llevInfo, "[ABT] $msg\n";

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines