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Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.515 by root, Thu Apr 15 04:56:47 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# 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 Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use EV 1.86; 32use EV;
10use Opcode; 33use Opcode;
11use Safe; 34use Safe;
12use Safe::Hole; 35use Safe::Hole;
13use Storable (); 36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 4.32 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
18use Coro::EV; 43use Coro::EV;
44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
23use Coro::BDB; 51use Coro::BDB 1.6;
24use Coro::Storable; 52use Coro::Storable;
25use Coro::Util (); 53use Coro::Util ();
26 54
27use JSON::XS 2.01 (); 55use JSON::XS 2.01 ();
28use BDB (); 56use BDB ();
29use Data::Dumper; 57use Data::Dumper;
30use Digest::MD5;
31use Fcntl; 58use Fcntl;
32use YAML (); 59use YAML::XS ();
33use IO::AIO 2.51 (); 60use IO::AIO ();
34use Time::HiRes; 61use Time::HiRes;
35use Compress::LZF; 62use Compress::LZF;
36use Digest::MD5 (); 63use Digest::MD5 ();
64
65AnyEvent::detect;
37 66
38# configure various modules to our taste 67# configure various modules to our taste
39# 68#
40$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43 77
44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45 80
46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47 82
48our %COMMAND = (); 83our %COMMAND = ();
49our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
52our %EXTCMD = (); 87our %EXTCMD = ();
53our %EXTICMD = (); 88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
71our %RESOURCE; 111our %RESOURCE;
72 112
113our $OUTPUT_RATE_MIN = 4000;
114our $OUTPUT_RATE_MAX = 100000;
115
73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 116our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74our $TICK_WATCHER;
75our $AIO_POLL_WATCHER;
76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77our $NEXT_TICK; 118our $NEXT_TICK;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 119our $USE_FSYNC = 1; # use fsync to write maps - default on
79 120
80our $BDB_POLL_WATCHER;
81our $BDB_DEADLOCK_WATCHER; 121our $BDB_DEADLOCK_WATCHER;
82our $BDB_CHECKPOINT_WATCHER; 122our $BDB_CHECKPOINT_WATCHER;
83our $BDB_TRICKLE_WATCHER; 123our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 124our $DB_ENV;
85 125
126our @EXTRA_MODULES = qw(pod match mapscript);
127
86our %CFG; 128our %CFG;
87 129
88our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 131our $RUNTIME;
90our $NOW; 132our $NOW;
96# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 140
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 144our $TICK_START; # for load detecting purposes
145
146our @POST_INIT;
147
148our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
149our $REALLY_UNLOOP; # never set to true, please :)
102 150
103binmode STDOUT; 151binmode STDOUT;
104binmode STDERR; 152binmode STDERR;
105 153
106# read virtual server time, if available 154# read virtual server time, if available
107unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
108 open my $fh, "<", "$LOCALDIR/runtime" 156 open my $fh, "<", $RUNTIMEFILE
109 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
110 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
111} 159}
160
161eval "sub TICK() { $TICK } 1" or die;
112 162
113mkdir $_ 163mkdir $_
114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115 165
116our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
117 167
118sub cf::map::normalise; 168sub cf::map::normalise;
169
170#############################################################################
171
172%REFLECT = ();
173for (@REFLECT) {
174 my $reflect = JSON::XS::decode_json $_;
175 $REFLECT{$reflect->{class}} = $reflect;
176}
177
178# this is decidedly evil
179$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
119 180
120############################################################################# 181#############################################################################
121 182
122=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
123 184
170returns directly I<after> the tick processing (and consequently, can only wake one process 231returns directly I<after> the tick processing (and consequently, can only wake one process
171per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172 233
173=item @cf::INVOKE_RESULTS 234=item @cf::INVOKE_RESULTS
174 235
175This array contains the results of the last C<invoke ()> call. When 236This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call. 238that call.
178 239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
245
179=back 246=back
180 247
181=cut 248=cut
182 249
183BEGIN { 250$Coro::State::WARNHOOK = sub {
184 *CORE::GLOBAL::warn = sub {
185 my $msg = join "", @_; 251 my $msg = join "", @_;
186 252
187 $msg .= "\n" 253 $msg .= "\n"
188 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
189 255
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 257
192 LOG llevError, $msg; 258 LOG llevError, $msg;
193 }; 259};
194}
195 260
196$Coro::State::DIEHOOK = sub { 261$Coro::State::DIEHOOK = sub {
262 return unless $^S eq 0; # "eq", not "=="
263
197 warn Carp::longmess $_[0]; 264 warn Carp::longmess $_[0];
265
266 if ($Coro::current == $Coro::main) {#d#
267 warn "DIEHOOK called in main context, Coro bug?\n";#d#
268 return;#d#
269 }#d#
270
271 # kill coroutine otherwise
198 Coro::terminate; 272 Coro::terminate
199}; 273};
200 274
201@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
211for my $pkg (qw( 285for my $pkg (qw(
212 cf::global cf::attachable 286 cf::global cf::attachable
213 cf::object cf::object::player 287 cf::object cf::object::player
214 cf::client cf::player 288 cf::client cf::player
215 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
216 cf::map cf::party cf::region 291 cf::party cf::region
217)) { 292)) {
218 no strict 'refs';
219 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220} 294}
221 295
222$EV::DIED = sub { 296$EV::DIED = sub {
223 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
224}; 298};
225 299
226############################################################################# 300#############################################################################
227 301
228=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
265our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266 340
267sub encode_json($) { $json_coder->encode ($_[0]) } 341sub encode_json($) { $json_coder->encode ($_[0]) }
268sub decode_json($) { $json_coder->decode ($_[0]) } 342sub decode_json($) { $json_coder->decode ($_[0]) }
269 343
344=item cf::post_init { BLOCK }
345
346Execute the given codeblock, I<after> all extensions have been (re-)loaded,
347but I<before> the server starts ticking again.
348
349The cdoeblock will have a single boolean argument to indicate whether this
350is a reload or not.
351
352=cut
353
354sub post_init(&) {
355 push @POST_INIT, shift;
356}
357
270=item cf::lock_wait $string 358=item cf::lock_wait $string
271 359
272Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
273 361
274=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
275 363
276Wait until the given lock is available and then acquires it and returns 364Wait until the given lock is available and then acquires it and returns
277a Coro::guard object. If the guard object gets destroyed (goes out of scope, 365a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
279returned. 367returned.
280 368
281Locks are *not* recursive, locking from the same coro twice results in a 369Locks are *not* recursive, locking from the same coro twice results in a
282deadlocked coro. 370deadlocked coro.
288 376
289Return true if the lock is currently active, i.e. somebody has locked it. 377Return true if the lock is currently active, i.e. somebody has locked it.
290 378
291=cut 379=cut
292 380
293our %LOCK; 381our $LOCKS = new Coro::SemaphoreSet;
294our %LOCKER;#d#
295 382
296sub lock_wait($) { 383sub lock_wait($) {
297 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
298
299 if ($LOCKER{$key} == $Coro::current) {#d#
300 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301 return;#d#
302 }#d#
303
304 # wait for lock, if any
305 while ($LOCK{$key}) {
306 push @{ $LOCK{$key} }, $Coro::current;
307 Coro::schedule;
308 }
309} 385}
310 386
311sub lock_acquire($) { 387sub lock_acquire($) {
312 my ($key) = @_; 388 $LOCKS->guard ($_[0])
313
314 # wait, to be sure we are not locked
315 lock_wait $key;
316
317 $LOCK{$key} = [];
318 $LOCKER{$key} = $Coro::current;#d#
319
320 Coro::guard {
321 delete $LOCKER{$key};#d#
322 # wake up all waiters, to be on the safe side
323 $_->ready for @{ delete $LOCK{$key} };
324 }
325} 389}
326 390
327sub lock_active($) { 391sub lock_active($) {
328 my ($key) = @_; 392 $LOCKS->count ($_[0]) < 1
329
330 ! ! $LOCK{$key}
331} 393}
332 394
333sub freeze_mainloop { 395sub freeze_mainloop {
334 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
335 397
336 my $guard = Coro::guard { 398 &Guard::guard (\&tick_inhibit_dec);
337 $TICK_WATCHER->start;
338 };
339 $TICK_WATCHER->stop;
340 $guard
341} 399}
342 400
343=item cf::periodic $interval, $cb 401=item cf::periodic $interval, $cb
344 402
345Like EV::periodic, but randomly selects a starting point so that the actions 403Like EV::periodic, but randomly selects a starting point so that the actions
346get spread over timer. 404get spread over time.
347 405
348=cut 406=cut
349 407
350sub periodic($$) { 408sub periodic($$) {
351 my ($interval, $cb) = @_; 409 my ($interval, $cb) = @_;
368 426
369=cut 427=cut
370 428
371our @SLOT_QUEUE; 429our @SLOT_QUEUE;
372our $SLOT_QUEUE; 430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
373 432
374$SLOT_QUEUE->cancel if $SLOT_QUEUE; 433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375$SLOT_QUEUE = Coro::async { 434$SLOT_QUEUE = Coro::async {
376 $Coro::current->desc ("timeslot manager"); 435 $Coro::current->desc ("timeslot manager");
377 436
378 my $signal = new Coro::Signal; 437 my $signal = new Coro::Signal;
438 my $busy;
379 439
380 while () { 440 while () {
381 next_job: 441 next_job:
442
382 my $avail = cf::till_tick; 443 my $avail = cf::till_tick;
383 if ($avail > 0.01) { 444
384 for (0 .. $#SLOT_QUEUE) { 445 for (0 .. $#SLOT_QUEUE) {
385 if ($SLOT_QUEUE[$_][0] < $avail) { 446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
386 my $job = splice @SLOT_QUEUE, $_, 1, (); 448 my $job = splice @SLOT_QUEUE, $_, 1, ();
387 $job->[2]->send; 449 $job->[2]->send;
388 Coro::cede; 450 Coro::cede;
389 goto next_job; 451 goto next_job;
390 } 452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
391 } 454 }
392 } 455 }
393 456
394 if (@SLOT_QUEUE) { 457 if (@SLOT_QUEUE) {
395 # we do not use wait_for_tick() as it returns immediately when tick is inactive 458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
396 push @cf::WAIT_FOR_TICK, $signal; 459 push @cf::WAIT_FOR_TICK, $signal;
397 $signal->wait; 460 $signal->wait;
398 } else { 461 } else {
462 $busy = 0;
399 Coro::schedule; 463 Coro::schedule;
400 } 464 }
401 } 465 }
402}; 466};
403 467
404sub get_slot($;$$) { 468sub get_slot($;$$) {
469 return if tick_inhibit || $Coro::current == $Coro::main;
470
405 my ($time, $pri, $name) = @_; 471 my ($time, $pri, $name) = @_;
406 472
407 $time = $TICK * .6 if $time > $TICK * .6; 473 $time = clamp $time, 0.01, $TICK * .6;
474
408 my $sig = new Coro::Signal; 475 my $sig = new Coro::Signal;
409 476
410 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 477 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 478 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412 $SLOT_QUEUE->ready; 479 $SLOT_QUEUE->ready;
439 506
440sub sync_job(&) { 507sub sync_job(&) {
441 my ($job) = @_; 508 my ($job) = @_;
442 509
443 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
444 my $time = EV::time; 511 my $time = AE::time;
445 512
446 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
447 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
448 515
449 LOG llevError, Carp::longmess "sync job";#d# 516 LOG llevError, Carp::longmess "sync job";#d#
450 517
451 # TODO: use suspend/resume instead
452 # (but this is cancel-safe)
453 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
454 519
455 my $busy = 1; 520 my $busy = 1;
456 my @res; 521 my @res;
457 522
468 } else { 533 } else {
469 EV::loop EV::LOOP_ONESHOT; 534 EV::loop EV::LOOP_ONESHOT;
470 } 535 }
471 } 536 }
472 537
473 $time = EV::time - $time; 538 my $time = AE::time - $time;
474 539
475 LOG llevError | logBacktrace, Carp::longmess "long sync job"
476 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478 $tick_start += $time; # do not account sync jobs to server load 540 $TICK_START += $time; # do not account sync jobs to server load
479 541
480 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
481 } else { 543 } else {
482 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
483 545
525 reset_signals; 587 reset_signals;
526 &$cb 588 &$cb
527 }, @args; 589 }, @args;
528 590
529 wantarray ? @res : $res[-1] 591 wantarray ? @res : $res[-1]
592}
593
594sub objinfo {
595 (
596 "counter value" => cf::object::object_count,
597 "objects created" => cf::object::create_count,
598 "objects destroyed" => cf::object::destroy_count,
599 "freelist size" => cf::object::free_count,
600 "allocated objects" => cf::object::objects_size,
601 "active objects" => cf::object::actives_size,
602 )
603}
604
605=item $coin = coin_from_name $name
606
607=cut
608
609our %coin_alias = (
610 "silver" => "silvercoin",
611 "silvercoin" => "silvercoin",
612 "silvercoins" => "silvercoin",
613 "gold" => "goldcoin",
614 "goldcoin" => "goldcoin",
615 "goldcoins" => "goldcoin",
616 "platinum" => "platinacoin",
617 "platinumcoin" => "platinacoin",
618 "platinumcoins" => "platinacoin",
619 "platina" => "platinacoin",
620 "platinacoin" => "platinacoin",
621 "platinacoins" => "platinacoin",
622 "royalty" => "royalty",
623 "royalties" => "royalty",
624);
625
626sub coin_from_name($) {
627 $coin_alias{$_[0]}
628 ? cf::arch::find $coin_alias{$_[0]}
629 : undef
530} 630}
531 631
532=item $value = cf::db_get $family => $key 632=item $value = cf::db_get $family => $key
533 633
534Returns a single value from the environment database. 634Returns a single value from the environment database.
673 773
674############################################################################# 774#############################################################################
675 775
676=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
677 777
678Many objects in crossfire are so-called attachable objects. That means you can 778Many objects in deliantra are so-called attachable objects. That means you can
679attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
680to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
681 781
682In the following description, CLASS can be any of C<global>, C<object> 782In the following description, CLASS can be any of C<global>, C<object>
683C<player>, C<client> or C<map> (i.e. the attachable objects in 783C<player>, C<client> or C<map> (i.e. the attachable objects in
733=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
734 834
735Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
736given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
737 837
738Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
739that are attached at load/instantiate time, thus the need for a name. 839that are attached at load/instantiate time, thus the need for a name.
740 840
741These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
742 842
743=over 4 843=over 4
1034 1134
1035sub reattach { 1135sub reattach {
1036 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
1037 my ($obj) = @_; 1137 my ($obj) = @_;
1038 1138
1139 # no longer needed after getting rid of delete_package?
1039 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040 1141
1041 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
1042 1143
1043 @$registry = (); 1144 @$registry = ();
1044 1145
1090 utf8::decode (my $decname = $filename); 1191 utf8::decode (my $decname = $filename);
1091 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
1092 $decname, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
1093 1194
1094 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
1096 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1197 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097 aio_fsync $fh if $cf::USE_FSYNC; 1198 if ($cf::USE_FSYNC) {
1199 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1200 aio_fsync $fh;
1201 }
1098 close $fh; 1202 aio_close $fh;
1099 1203
1100 if (@$objs) { 1204 if (@$objs) {
1101 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1205 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
1103 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104 aio_write $fh, 0, (length $data), $data, 0; 1208 aio_write $fh, 0, (length $data), $data, 0;
1105 aio_fsync $fh if $cf::USE_FSYNC; 1209 if ($cf::USE_FSYNC) {
1210 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1211 aio_fsync $fh;
1212 }
1106 close $fh; 1213 aio_close $fh;
1107 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
1108 } 1215 }
1109 } else { 1216 } else {
1110 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
1111 } 1218 }
1112 1219
1113 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
1114 } else { 1224 } else {
1115 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
1116 } 1226 }
1117 } else { 1227 } else {
1118 aio_unlink $filename; 1228 aio_unlink $filename;
1119 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
1120 } 1230 }
1211 my ($name, $cb) = @_; 1321 my ($name, $cb) = @_;
1212 1322
1213 $EXTICMD{$name} = $cb; 1323 $EXTICMD{$name} = $cb;
1214} 1324}
1215 1325
1326use File::Glob ();
1327
1216cf::player->attach ( 1328cf::player->attach (
1217 on_command => sub { 1329 on_unknown_command => sub {
1218 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
1219 1331
1220 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
1221 or return; 1333 or return;
1222 1334
1252 1364
1253 cf::override; 1365 cf::override;
1254 }, 1366 },
1255); 1367);
1256 1368
1369# "readahead" all extensions
1370sub cache_extensions {
1371 my $grp = IO::AIO::aio_group;
1372
1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1374 for (grep /\.ext$/, @{$_[0]}) {
1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1376 }
1377 };
1378
1379 $grp
1380}
1381
1257sub load_extensions { 1382sub load_extensions {
1258 cf::sync_job { 1383 cf::sync_job {
1259 my %todo; 1384 my %todo;
1260 1385
1261 for my $path (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
1280 1405
1281 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1406 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1407 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283 1408
1284 $ext{source} = 1409 $ext{source} =
1285 "package $pkg; use strict; use utf8;\n" 1410 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1286 . "#line 1 \"$path\"\n{\n" 1411 . "#line 1 \"$path\"\n{\n"
1287 . $source 1412 . $source
1288 . "\n};\n1"; 1413 . "\n};\n1";
1289 1414
1290 $todo{$base} = \%ext; 1415 $todo{$base} = \%ext;
1291 } 1416 }
1292 1417
1418 my $pass = 0;
1293 my %done; 1419 my %done;
1294 while (%todo) { 1420 while (%todo) {
1295 my $progress; 1421 my $progress;
1296 1422
1423 ++$pass;
1424
1425 ext:
1297 while (my ($k, $v) = each %todo) { 1426 while (my ($k, $v) = each %todo) {
1298 for (split /,\s*/, $v->{meta}{depends}) { 1427 for (split /,\s*/, $v->{meta}{depends}) {
1299 goto skip 1428 next ext
1300 unless exists $done{$_}; 1429 unless exists $done{$_};
1301 } 1430 }
1302 1431
1303 warn "... loading '$k' into '$v->{pkg}'\n"; 1432 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1304 1433
1305 unless (eval $v->{source}) { 1434 my $active = eval $v->{source};
1435
1436 if (length $@) {
1306 my $msg = $@ ? "$v->{path}: $@\n" 1437 warn "$v->{path}: $@\n";
1307 : "$v->{base}: extension inactive.\n";
1308 1438
1439 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1309 if (exists $v->{meta}{mandatory}) { 1440 if exists $v->{meta}{mandatory};
1310 warn $msg; 1441 } else {
1311 warn "mandatory extension failed to load, exiting.\n"; 1442 $done{$k} = delete $todo{$k};
1312 exit 1; 1443 push @EXTS, $v->{pkg};
1313 } 1444 $progress = 1;
1314 1445
1315 warn $msg; 1446 warn "$v->{base}: extension inactive.\n"
1447 unless $active;
1316 } 1448 }
1317
1318 $done{$k} = delete $todo{$k};
1319 push @EXTS, $v->{pkg};
1320 $progress = 1;
1321 } 1449 }
1322 1450
1323 skip: 1451 unless ($progress) {
1324 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1452 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1325 unless $progress; 1453
1454 while (my ($k, $v) = each %todo) {
1455 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1456 if exists $v->{meta}{mandatory};
1457 }
1458 }
1326 } 1459 }
1327 }; 1460 };
1328} 1461}
1329 1462
1330############################################################################# 1463#############################################################################
1331 1464
1332=back 1465=back
1333 1466
1334=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
1335 1468
1336Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
1337 1470
1338=cut 1471=cut
1339 1472
1340package cf::player; 1473package cf::player;
1341 1474
1384 1517
1385sub exists($) { 1518sub exists($) {
1386 my ($login) = @_; 1519 my ($login) = @_;
1387 1520
1388 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
1389 or cf::sync_job { !aio_stat path $login } 1522 or !aio_stat path $login
1390} 1523}
1391 1524
1392sub find($) { 1525sub find($) {
1393 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
1394 my $login = $_[0]; 1527 my $login = $_[0];
1406 my $f = new_from_file cf::object::thawer path $login 1539 my $f = new_from_file cf::object::thawer path $login
1407 or return; 1540 or return;
1408 1541
1409 my $pl = cf::player::load_pl $f 1542 my $pl = cf::player::load_pl $f
1410 or return; 1543 or return;
1544
1411 local $cf::PLAYER_LOADING{$login} = $pl; 1545 local $cf::PLAYER_LOADING{$login} = $pl;
1412 $f->resolve_delayed_derefs; 1546 $f->resolve_delayed_derefs;
1413 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
1414 } 1548 }
1415 } 1549 }
1416} 1550}
1417 1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($pl, $path) = @_;
1555
1556 # restore slots saved in save, below
1557 my $slots = delete $pl->{_slots};
1558
1559 $pl->ob->current_weapon ($slots->[0]);
1560 $pl->combat_ob ($slots->[1]);
1561 $pl->ranged_ob ($slots->[2]);
1562 },
1563);
1564
1418sub save($) { 1565sub save($) {
1419 my ($pl) = @_; 1566 my ($pl) = @_;
1420 1567
1421 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
1422 1569
1425 1572
1426 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
1427 1574
1428 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
1429 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
1577
1578 cf::get_slot 0.01;
1579
1580 # save slots, to be restored later
1581 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1430 1582
1431 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
1432 cf::cede_to_tick; 1584 cf::cede_to_tick;
1433} 1585}
1434 1586
1466 my ($pl) = @_; 1618 my ($pl) = @_;
1467 1619
1468 my $name = $pl->ob->name; 1620 my $name = $pl->ob->name;
1469 1621
1470 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1471 $pl->password ("*"); # this should lock out the player until we nuked the dir 1623 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1472 1624
1473 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1474 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1475 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1476 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1477 1631
1478 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1479 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1518 1672
1519 for my $login (@$dirs) { 1673 for my $login (@$dirs) {
1520 my $path = path $login; 1674 my $path = path $login;
1521 1675
1522 # a .pst is a dead give-away for a valid player 1676 # a .pst is a dead give-away for a valid player
1523 unless (-e "$path.pst") { 1677 # if no pst file found, open and chekc for blocked users
1678 if (aio_stat "$path.pst") {
1524 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1526 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1527 } 1682 }
1528 1683
1559 } 1714 }
1560 1715
1561 \@paths 1716 \@paths
1562} 1717}
1563 1718
1564=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565 1720
1566Expand crossfire pod fragments into protocol xml. 1721Expand deliantra pod fragments into protocol xml.
1567
1568=cut
1569
1570use re 'eval';
1571
1572my $group;
1573my $interior; $interior = qr{
1574 # match a pod interior sequence sans C<< >>
1575 (?:
1576 \ (.*?)\ (?{ $group = $^N })
1577 | < (??{$interior}) >
1578 )
1579}x;
1580
1581sub expand_cfpod {
1582 my ($self, $pod) = @_;
1583
1584 my $xml;
1585
1586 while () {
1587 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588 $group = $1;
1589
1590 $group =~ s/&/&amp;/g;
1591 $group =~ s/</&lt;/g;
1592
1593 $xml .= $group;
1594 } elsif ($pod =~ m%\G
1595 ([BCGHITU])
1596 <
1597 (?:
1598 ([^<>]*) (?{ $group = $^N })
1599 | < $interior >
1600 )
1601 >
1602 %gcsx
1603 ) {
1604 my ($code, $data) = ($1, $group);
1605
1606 if ($code eq "B") {
1607 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608 } elsif ($code eq "I") {
1609 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610 } elsif ($code eq "U") {
1611 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612 } elsif ($code eq "C") {
1613 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614 } elsif ($code eq "T") {
1615 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616 } elsif ($code eq "G") {
1617 my ($male, $female) = split /\|/, $data;
1618 $data = $self->gender ? $female : $male;
1619 $xml .= expand_cfpod ($self, $data);
1620 } elsif ($code eq "H") {
1621 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623 "")
1624 [$self->{hintmode}];
1625 } else {
1626 $xml .= "error processing '$code($data)' directive";
1627 }
1628 } else {
1629 if ($pod =~ /\G(.+)/) {
1630 warn "parse error while expanding $pod (at $1)";
1631 }
1632 last;
1633 }
1634 }
1635
1636 for ($xml) {
1637 # create single paragraphs (very hackish)
1638 s/(?<=\S)\n(?=\w)/ /g;
1639
1640 # compress some whitespace
1641 s/\s+\n/\n/g; # ws line-ends
1642 s/\n\n+/\n/g; # double lines
1643 s/^\n+//; # beginning lines
1644 s/\n+$//; # ending lines
1645 }
1646
1647 $xml
1648}
1649
1650no re 'eval';
1651
1652sub hintmode {
1653 $_[0]{hintmode} = $_[1] if @_ > 1;
1654 $_[0]{hintmode}
1655}
1656 1722
1657=item $player->ext_reply ($msgid, @msg) 1723=item $player->ext_reply ($msgid, @msg)
1658 1724
1659Sends an ext reply to the player. 1725Sends an ext reply to the player.
1660 1726
1727our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1728our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1729 1795
1730sub generate_random_map { 1796sub generate_random_map {
1731 my ($self, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1800
1732 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1733 $self->_create_random_map ( 1802 $self->_create_random_map (
1734 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1736 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1738 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1739 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1858 1927
1859# the temporary/swap location 1928# the temporary/swap location
1860sub save_path { 1929sub save_path {
1861 my ($self) = @_; 1930 my ($self) = @_;
1862 1931
1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864 "$TMPDIR/$path.map" 1933 "$TMPDIR/$path.map"
1865} 1934}
1866 1935
1867# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1868sub uniq_path { 1937sub uniq_path {
1869 my ($self) = @_; 1938 my ($self) = @_;
1870 1939
1871 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872 "$UNIQUEDIR/$path" 1941 "$UNIQUEDIR/$path"
1873}
1874
1875# and all this just because we cannot iterate over
1876# all maps in C++...
1877sub change_all_map_light {
1878 my ($change) = @_;
1879
1880 $_->change_map_light ($change)
1881 for grep $_->outdoor, values %cf::MAP;
1882} 1942}
1883 1943
1884sub decay_objects { 1944sub decay_objects {
1885 my ($self) = @_; 1945 my ($self) = @_;
1886 1946
1970sub find { 2030sub find {
1971 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1972 2032
1973 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1974 2034
1975 cf::lock_wait "map_data:$path";#d#remove 2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1977 2037
1978 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1979 my $guard1 = cf::lock_acquire "map_find:$path";
1980 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1983 or return; 2040 or return;
1984 2041
1985 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1986 2043
1988 or return; 2045 or return;
1989 2046
1990 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1992 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
1993 undef $guard1; 2051 undef $guard1;
1994 undef $guard2;
1995 $map->reset; 2052 $map->reset;
1996 return find $path; 2053 return find $path;
1997 } 2054 }
1998 2055
1999 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
2000 } 2057 }
2001} 2058}
2002 2059
2003sub pre_load { } 2060sub pre_load { }
2004sub post_load { } 2061#sub post_load { } # XS
2005 2062
2006sub load { 2063sub load {
2007 my ($self) = @_; 2064 my ($self) = @_;
2008 2065
2009 local $self->{deny_reset} = 1; # loading can take a long time 2066 local $self->{deny_reset} = 1; # loading can take a long time
2026 my $f = new_from_file cf::object::thawer $self->{load_path}; 2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2027 $f->skip_block; 2084 $f->skip_block;
2028 $self->_load_objects ($f) 2085 $self->_load_objects ($f)
2029 or return; 2086 or return;
2030 2087
2031 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
2032 if delete $self->{load_original}; 2089 if delete $self->{load_original};
2033 2090
2034 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
2035 utf8::encode $uniq; 2092 utf8::encode $uniq;
2036 unless (aio_stat $uniq) { 2093 unless (aio_stat $uniq) {
2054 unless ($self->{deny_activate}) { 2111 unless ($self->{deny_activate}) {
2055 $self->decay_objects; 2112 $self->decay_objects;
2056 $self->fix_auto_apply; 2113 $self->fix_auto_apply;
2057 $self->update_buttons; 2114 $self->update_buttons;
2058 cf::cede_to_tick; 2115 cf::cede_to_tick;
2059 $self->set_darkness_map;
2060 cf::cede_to_tick;
2061 $self->activate; 2116 $self->activate;
2062 } 2117 }
2063 2118
2064 $self->{last_save} = $cf::RUNTIME; 2119 $self->{last_save} = $cf::RUNTIME;
2065 $self->last_access ($cf::RUNTIME); 2120 $self->last_access ($cf::RUNTIME);
2066 2121
2067 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
2068 } 2123 }
2069 2124
2070 $self->post_load; 2125 $self->post_load;
2071} 2126}
2072 2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
2073sub customise_for { 2131sub customise_for {
2074 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
2075 2133
2076 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
2077 if $self->per_player; 2135 if $self->per_player;
2130 my ($path, $origin, $load) = @_; 2188 my ($path, $origin, $load) = @_;
2131 2189
2132 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
2133 2191
2134 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
2135 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2136 } 2194 }
2137 2195
2138 $MAP_PREFETCH{$path} |= $load; 2196 $MAP_PREFETCH{$path} |= $load;
2139 2197
2140 $MAP_PREFETCHER ||= cf::async { 2198 $MAP_PREFETCHER ||= cf::async {
2177 cf::async { 2235 cf::async {
2178 $Coro::current->{desc} = "map player save"; 2236 $Coro::current->{desc} = "map player save";
2179 $_->contr->save for $self->players; 2237 $_->contr->save for $self->players;
2180 }; 2238 };
2181 2239
2240 cf::get_slot 0.02;
2241
2182 if ($uniq) { 2242 if ($uniq) {
2183 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2243 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2244 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2185 } else { 2245 } else {
2186 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2194 $self->save; 2254 $self->save;
2195 2255
2196 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
2197 2257
2198 return if $self->players; 2258 return if $self->players;
2199 return if $self->in_memory != cf::MAP_IN_MEMORY; 2259 return if $self->in_memory != cf::MAP_ACTIVE;
2200 return if $self->{deny_save}; 2260 return if $self->{deny_save};
2201 2261
2202 $self->in_memory (cf::MAP_SWAPPED); 2262 $self->in_memory (cf::MAP_SWAPPED);
2203 2263
2204 $self->deactivate; 2264 $self->deactivate;
2229 2289
2230 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2290 my $lock = cf::lock_acquire "map_data:$self->{path}";
2231 2291
2232 return if $self->players; 2292 return if $self->players;
2233 2293
2234 warn "resetting map ", $self->path; 2294 warn "resetting map ", $self->path, "\n";
2235 2295
2236 $self->in_memory (cf::MAP_SWAPPED); 2296 $self->in_memory (cf::MAP_SWAPPED);
2237 2297
2238 # need to save uniques path 2298 # need to save uniques path
2239 unless ($self->{deny_save}) { 2299 unless ($self->{deny_save}) {
2322 2382
2323sub unique_maps() { 2383sub unique_maps() {
2324 [ 2384 [
2325 map { 2385 map {
2326 utf8::decode $_; 2386 utf8::decode $_;
2327 /\.map$/ 2387 s/\.map$//; # TODO future compatibility hack
2388 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2389 ? ()
2328 ? normalise $_ 2390 : normalise $_
2329 : ()
2330 } @{ aio_readdir $UNIQUEDIR or [] } 2391 } @{ aio_readdir $UNIQUEDIR or [] }
2331 ] 2392 ]
2332} 2393}
2333 2394
2334package cf; 2395=item cf::map::static_maps
2396
2397Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2398file in the shared directory excluding F</styles> and F</editor>). May
2399block.
2400
2401=cut
2402
2403sub static_maps() {
2404 my @dirs = "";
2405 my @maps;
2406
2407 while (@dirs) {
2408 my $dir = shift @dirs;
2409
2410 next if $dir eq "/styles" || $dir eq "/editor";
2411
2412 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2413 or return;
2414
2415 for (@$files) {
2416 s/\.map$// or next;
2417 utf8::decode $_;
2418 push @maps, "$dir/$_";
2419 }
2420
2421 push @dirs, map "$dir/$_", @$dirs;
2422 }
2423
2424 \@maps
2425}
2335 2426
2336=back 2427=back
2337 2428
2338=head3 cf::object 2429=head3 cf::object
2339 2430
2343 2434
2344=over 4 2435=over 4
2345 2436
2346=item $ob->inv_recursive 2437=item $ob->inv_recursive
2347 2438
2348Returns the inventory of the object _and_ their inventories, recursively. 2439Returns the inventory of the object I<and> their inventories, recursively,
2440but I<not> the object itself.
2349 2441
2350=cut 2442=cut
2351 2443
2352sub inv_recursive_; 2444sub inv_recursive_;
2353sub inv_recursive_ { 2445sub inv_recursive_ {
2358 inv_recursive_ inv $_[0] 2450 inv_recursive_ inv $_[0]
2359} 2451}
2360 2452
2361=item $ref = $ob->ref 2453=item $ref = $ob->ref
2362 2454
2363creates and returns a persistent reference to an objetc that can be stored as a string. 2455Creates and returns a persistent reference to an object that can be stored as a string.
2364 2456
2365=item $ob = cf::object::deref ($refstring) 2457=item $ob = cf::object::deref ($refstring)
2366 2458
2367returns the objetc referenced by refstring. may return undef when it cnanot find the object, 2459returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368even if the object actually exists. May block. 2460even if the object actually exists. May block.
2400can be C<undef>. Does the right thing when the player is currently in a 2492can be C<undef>. Does the right thing when the player is currently in a
2401dialogue with the given NPC character. 2493dialogue with the given NPC character.
2402 2494
2403=cut 2495=cut
2404 2496
2497our $SAY_CHANNEL = {
2498 id => "say",
2499 title => "Map",
2500 reply => "say ",
2501 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2502};
2503
2504our $CHAT_CHANNEL = {
2505 id => "chat",
2506 title => "Chat",
2507 reply => "chat ",
2508 tooltip => "Player chat and shouts, global to the server.",
2509};
2510
2405# rough implementation of a future "reply" method that works 2511# rough implementation of a future "reply" method that works
2406# with dialog boxes. 2512# with dialog boxes.
2407#TODO: the first argument must go, split into a $npc->reply_to ( method 2513#TODO: the first argument must go, split into a $npc->reply_to ( method
2408sub cf::object::player::reply($$$;$) { 2514sub cf::object::player::reply($$$;$) {
2409 my ($self, $npc, $msg, $flags) = @_; 2515 my ($self, $npc, $msg, $flags) = @_;
2420 my $dialog = $pl->{npc_dialog}; 2526 my $dialog = $pl->{npc_dialog};
2421 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2527 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422 2528
2423 } else { 2529 } else {
2424 $msg = $npc->name . " says: $msg" if $npc; 2530 $msg = $npc->name . " says: $msg" if $npc;
2425 $self->message ($msg, $flags); 2531 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426 } 2532 }
2427 } 2533 }
2428} 2534}
2429 2535
2430=item $object->send_msg ($channel, $msg, $color, [extra...]) 2536=item $object->send_msg ($channel, $msg, $color, [extra...])
2455 2561
2456=item $player_object->enter_link 2562=item $player_object->enter_link
2457 2563
2458Freezes the player and moves him/her to a special map (C<{link}>). 2564Freezes the player and moves him/her to a special map (C<{link}>).
2459 2565
2460The player should be reasonably safe there for short amounts of time. You 2566The player should be reasonably safe there for short amounts of time (e.g.
2461I<MUST> call C<leave_link> as soon as possible, though. 2567for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2568though, as the palyer cannot control the character while it is on the link
2569map.
2462 2570
2463Will never block. 2571Will never block.
2464 2572
2465=item $player_object->leave_link ($map, $x, $y) 2573=item $player_object->leave_link ($map, $x, $y)
2466 2574
2518 ($x, $y) = (-1, -1) 2626 ($x, $y) = (-1, -1)
2519 unless (defined $x) && (defined $y); 2627 unless (defined $x) && (defined $y);
2520 2628
2521 # use -1 or undef as default coordinates, not 0, 0 2629 # use -1 or undef as default coordinates, not 0, 0
2522 ($x, $y) = ($map->enter_x, $map->enter_y) 2630 ($x, $y) = ($map->enter_x, $map->enter_y)
2523 if $x <=0 && $y <= 0; 2631 if $x <= 0 && $y <= 0;
2524 2632
2525 $map->load; 2633 $map->load;
2526 $map->load_neighbours; 2634 $map->load_neighbours;
2527 2635
2528 return unless $self->contr->active; 2636 return unless $self->contr->active;
2529 $self->activate_recursive;
2530 2637
2531 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2638 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532 $self->enter_map ($map, $x, $y); 2639 $self->enter_map ($map, $x, $y);
2640
2641 # only activate afterwards, to support waiting in hooks
2642 $self->activate_recursive;
2533} 2643}
2534 2644
2535=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2645=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2536 2646
2537Moves the player to the given map-path and coordinates by first freezing 2647Moves the player to the given map-path and coordinates by first freezing
2538her, loading and preparing them map, calling the provided $check callback 2648her, loading and preparing them map, calling the provided $check callback
2539that has to return the map if sucecssful, and then unfreezes the player on 2649that has to return the map if sucecssful, and then unfreezes the player on
2540the new (success) or old (failed) map position. In either case, $done will 2650the new (success) or old (failed) map position. In either case, $done will
2541be called at the end of this process. 2651be called at the end of this process.
2652
2653Note that $check will be called with a potentially non-loaded map, so if
2654it needs a loaded map it has to call C<< ->load >>.
2542 2655
2543=cut 2656=cut
2544 2657
2545our $GOTOGEN; 2658our $GOTOGEN;
2546 2659
2625} 2738}
2626 2739
2627sub prepare_random_map { 2740sub prepare_random_map {
2628 my ($exit) = @_; 2741 my ($exit) = @_;
2629 2742
2630 my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632 # all this does is basically replace the /! path by 2743 # all this does is basically replace the /! path by
2633 # a new random map path (?random/...) with a seed 2744 # a new random map path (?random/...) with a seed
2634 # that depends on the exit object 2745 # that depends on the exit object
2635 2746
2636 my $rmp = parse_random_map_params $exit->msg; 2747 my $rmp = parse_random_map_params $exit->msg;
2638 if ($exit->map) { 2749 if ($exit->map) {
2639 $rmp->{region} = $exit->region->name; 2750 $rmp->{region} = $exit->region->name;
2640 $rmp->{origin_map} = $exit->map->path; 2751 $rmp->{origin_map} = $exit->map->path;
2641 $rmp->{origin_x} = $exit->x; 2752 $rmp->{origin_x} = $exit->x;
2642 $rmp->{origin_y} = $exit->y; 2753 $rmp->{origin_y} = $exit->y;
2754
2755 $exit->map->touch;
2643 } 2756 }
2644 2757
2645 $rmp->{random_seed} ||= $exit->random_seed; 2758 $rmp->{random_seed} ||= $exit->random_seed;
2646 2759
2647 my $data = cf::encode_json $rmp; 2760 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648 my $md5 = Digest::MD5::md5_hex $data; 2761 my $md5 = Digest::MD5::md5_hex $data;
2649 my $meta = "$RANDOMDIR/$md5.meta"; 2762 my $meta = "$RANDOMDIR/$md5.meta";
2650 2763
2651 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2764 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652 aio_write $fh, 0, (length $data), $data, 0; 2765 aio_write $fh, 0, (length $data), $data, 0;
2653 undef $fh; 2766 undef $fh;
2654 aio_rename "$meta~", $meta; 2767 aio_rename "$meta~", $meta;
2655 2768
2769 my $slaying = "?random/$md5";
2770
2771 if ($exit->valid) {
2656 $exit->slaying ("?random/$md5"); 2772 $exit->slaying ("?random/$md5");
2657 $exit->msg (undef); 2773 $exit->msg (undef);
2774 }
2658 } 2775 }
2659} 2776}
2660 2777
2661sub cf::object::player::enter_exit { 2778sub cf::object::player::enter_exit {
2662 my ($self, $exit) = @_; 2779 my ($self, $exit) = @_;
2663 2780
2664 return unless $self->type == cf::PLAYER; 2781 return unless $self->type == cf::PLAYER;
2665 2782
2666 if ($exit->slaying eq "/!") {
2667 #TODO: this should de-fi-ni-te-ly not be a sync-job
2668 # the problem is that $exit might not survive long enough
2669 # so it needs to be done right now, right here
2670 cf::sync_job { prepare_random_map $exit };
2671 }
2672
2673 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674 my $hp = $exit->stats->hp;
2675 my $sp = $exit->stats->sp;
2676
2677 $self->enter_link; 2783 $self->enter_link;
2678 2784
2679 # if exit is damned, update players death & WoR home-position
2680 $self->contr->savebed ($slaying, $hp, $sp)
2681 if $exit->flag (FLAG_DAMNED);
2682
2683 (async { 2785 (async {
2684 $Coro::current->{desc} = "enter_exit $slaying $hp $sp"; 2786 $Coro::current->{desc} = "enter_exit";
2685 2787
2686 $self->deactivate_recursive; # just to be sure
2687 unless (eval { 2788 unless (eval {
2789 $self->deactivate_recursive; # just to be sure
2790
2791 # random map handling
2792 {
2793 my $guard = cf::lock_acquire "exit_prepare:$exit";
2794
2795 prepare_random_map $exit
2796 if $exit->slaying eq "/!";
2797 }
2798
2799 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2800 my $x = $exit->stats->hp;
2801 my $y = $exit->stats->sp;
2802
2688 $self->goto ($slaying, $hp, $sp); 2803 $self->goto ($map, $x, $y);
2689 2804
2805 # if exit is damned, update players death & WoR home-position
2806 $self->contr->savebed ($map, $x, $y)
2807 if $exit->flag (cf::FLAG_DAMNED);
2808
2690 1; 2809 1
2691 }) { 2810 }) {
2692 $self->message ("Something went wrong deep within the crossfire server. " 2811 $self->message ("Something went wrong deep within the deliantra server. "
2693 . "I'll try to bring you back to the map you were before. " 2812 . "I'll try to bring you back to the map you were before. "
2694 . "Please report this to the dungeon master!", 2813 . "Please report this to the dungeon master!",
2695 cf::NDI_UNIQUE | cf::NDI_RED); 2814 cf::NDI_UNIQUE | cf::NDI_RED);
2696 2815
2697 warn "ERROR in enter_exit: $@"; 2816 warn "ERROR in enter_exit: $@";
2714sub cf::client::send_drawinfo { 2833sub cf::client::send_drawinfo {
2715 my ($self, $text, $flags) = @_; 2834 my ($self, $text, $flags) = @_;
2716 2835
2717 utf8::encode $text; 2836 utf8::encode $text;
2718 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2837 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2838}
2839
2840=item $client->send_big_packet ($pkt)
2841
2842Like C<send_packet>, but tries to compress large packets, and fragments
2843them as required.
2844
2845=cut
2846
2847our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2848
2849sub cf::client::send_big_packet {
2850 my ($self, $pkt) = @_;
2851
2852 # try lzf for large packets
2853 $pkt = "lzf " . Compress::LZF::compress $pkt
2854 if 1024 <= length $pkt and $self->{can_lzf};
2855
2856 # split very large packets
2857 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2858 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2859 $pkt = "frag";
2860 }
2861
2862 $self->send_packet ($pkt);
2719} 2863}
2720 2864
2721=item $client->send_msg ($channel, $msg, $color, [extra...]) 2865=item $client->send_msg ($channel, $msg, $color, [extra...])
2722 2866
2723Send a drawinfo or msg packet to the client, formatting the msg for the 2867Send a drawinfo or msg packet to the client, formatting the msg for the
2727 2871
2728=cut 2872=cut
2729 2873
2730# non-persistent channels (usually the info channel) 2874# non-persistent channels (usually the info channel)
2731our %CHANNEL = ( 2875our %CHANNEL = (
2876 "c/motd" => {
2877 id => "infobox",
2878 title => "MOTD",
2879 reply => undef,
2880 tooltip => "The message of the day",
2881 },
2732 "c/identify" => { 2882 "c/identify" => {
2733 id => "infobox", 2883 id => "infobox",
2734 title => "Identify", 2884 title => "Identify",
2735 reply => undef, 2885 reply => undef,
2736 tooltip => "Items recently identified", 2886 tooltip => "Items recently identified",
2738 "c/examine" => { 2888 "c/examine" => {
2739 id => "infobox", 2889 id => "infobox",
2740 title => "Examine", 2890 title => "Examine",
2741 reply => undef, 2891 reply => undef,
2742 tooltip => "Signs and other items you examined", 2892 tooltip => "Signs and other items you examined",
2893 },
2894 "c/shopinfo" => {
2895 id => "infobox",
2896 title => "Shop Info",
2897 reply => undef,
2898 tooltip => "What your bargaining skill tells you about the shop",
2743 }, 2899 },
2744 "c/book" => { 2900 "c/book" => {
2745 id => "infobox", 2901 id => "infobox",
2746 title => "Book", 2902 title => "Book",
2747 reply => undef, 2903 reply => undef,
2763 id => "infobox", 2919 id => "infobox",
2764 title => "Body Parts", 2920 title => "Body Parts",
2765 reply => undef, 2921 reply => undef,
2766 tooltip => "Shows which body parts you posess and are available", 2922 tooltip => "Shows which body parts you posess and are available",
2767 }, 2923 },
2924 "c/statistics" => {
2925 id => "infobox",
2926 title => "Statistics",
2927 reply => undef,
2928 tooltip => "Shows your primary statistics",
2929 },
2930 "c/skills" => {
2931 id => "infobox",
2932 title => "Skills",
2933 reply => undef,
2934 tooltip => "Shows your experience per skill and item power",
2935 },
2936 "c/shopitems" => {
2937 id => "infobox",
2938 title => "Shop Items",
2939 reply => undef,
2940 tooltip => "Shows the items currently for sale in this shop",
2941 },
2942 "c/resistances" => {
2943 id => "infobox",
2944 title => "Resistances",
2945 reply => undef,
2946 tooltip => "Shows your resistances",
2947 },
2948 "c/pets" => {
2949 id => "infobox",
2950 title => "Pets",
2951 reply => undef,
2952 tooltip => "Shows information abotu your pets/a specific pet",
2953 },
2954 "c/perceiveself" => {
2955 id => "infobox",
2956 title => "Perceive Self",
2957 reply => undef,
2958 tooltip => "You gained detailed knowledge about yourself",
2959 },
2768 "c/uptime" => { 2960 "c/uptime" => {
2769 id => "infobox", 2961 id => "infobox",
2770 title => "Uptime", 2962 title => "Uptime",
2771 reply => undef, 2963 reply => undef,
2772 tooltip => "How long the server has been running since last restart", 2964 tooltip => "How long the server has been running since last restart",
2775 id => "infobox", 2967 id => "infobox",
2776 title => "Map Info", 2968 title => "Map Info",
2777 reply => undef, 2969 reply => undef,
2778 tooltip => "Information related to the maps", 2970 tooltip => "Information related to the maps",
2779 }, 2971 },
2972 "c/party" => {
2973 id => "party",
2974 title => "Party",
2975 reply => "gsay ",
2976 tooltip => "Messages and chat related to your party",
2977 },
2978 "c/death" => {
2979 id => "death",
2980 title => "Death",
2981 reply => undef,
2982 tooltip => "Reason for and more info about your most recent death",
2983 },
2984 "c/say" => $SAY_CHANNEL,
2985 "c/chat" => $CHAT_CHANNEL,
2780); 2986);
2781 2987
2782sub cf::client::send_msg { 2988sub cf::client::send_msg {
2783 my ($self, $channel, $msg, $color, @extra) = @_; 2989 my ($self, $channel, $msg, $color, @extra) = @_;
2784 2990
2785 $msg = $self->pl->expand_cfpod ($msg); 2991 $msg = $self->pl->expand_cfpod ($msg)
2992 unless $color & cf::NDI_VERBATIM;
2786 2993
2787 $color &= cf::NDI_CLIENT_MASK; # just in case... 2994 $color &= cf::NDI_CLIENT_MASK; # just in case...
2788 2995
2789 # check predefined channels, for the benefit of C 2996 # check predefined channels, for the benefit of C
2790 if ($CHANNEL{$channel}) { 2997 if ($CHANNEL{$channel}) {
2791 $channel = $CHANNEL{$channel}; 2998 $channel = $CHANNEL{$channel};
2792 2999
2793 $self->ext_msg (channel_info => $channel) 3000 $self->ext_msg (channel_info => $channel);
2794 if $self->can_msg;
2795
2796 $channel = $channel->{id}; 3001 $channel = $channel->{id};
2797 3002
2798 } elsif (ref $channel) { 3003 } elsif (ref $channel) {
2799 # send meta info to client, if not yet sent 3004 # send meta info to client, if not yet sent
2800 unless (exists $self->{channel}{$channel->{id}}) { 3005 unless (exists $self->{channel}{$channel->{id}}) {
2801 $self->{channel}{$channel->{id}} = $channel; 3006 $self->{channel}{$channel->{id}} = $channel;
2802 $self->ext_msg (channel_info => $channel) 3007 $self->ext_msg (channel_info => $channel);
2803 if $self->can_msg;
2804 } 3008 }
2805 3009
2806 $channel = $channel->{id}; 3010 $channel = $channel->{id};
2807 } 3011 }
2808 3012
2809 return unless @extra || length $msg; 3013 return unless @extra || length $msg;
2810 3014
2811 if ($self->can_msg) {
2812 # default colour, mask it out 3015 # default colour, mask it out
2813 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3016 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814 if $color & cf::NDI_DEF; 3017 if $color & cf::NDI_DEF;
2815 3018
2816 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3019 my $pkt = "msg "
3020 . $self->{json_coder}->encode (
2817 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3021 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818 } else { 3022 );
2819 if ($color >= 0) {
2820 # replace some tags by gcfclient-compatible ones
2821 for ($msg) {
2822 1 while
2823 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828 }
2829 3023
2830 $color &= cf::NDI_COLOR_MASK; 3024 $self->send_big_packet ($pkt);
2831
2832 utf8::encode $msg;
2833
2834 if (0 && $msg =~ /\[/) {
2835 # COMMAND/INFO
2836 $self->send_packet ("drawextinfo $color 10 8 $msg")
2837 } else {
2838 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839 $self->send_packet ("drawinfo $color $msg")
2840 }
2841 }
2842 }
2843} 3025}
2844 3026
2845=item $client->ext_msg ($type, @msg) 3027=item $client->ext_msg ($type, @msg)
2846 3028
2847Sends an ext event to the client. 3029Sends an ext event to the client.
2850 3032
2851sub cf::client::ext_msg($$@) { 3033sub cf::client::ext_msg($$@) {
2852 my ($self, $type, @msg) = @_; 3034 my ($self, $type, @msg) = @_;
2853 3035
2854 if ($self->extcmd == 2) { 3036 if ($self->extcmd == 2) {
2855 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3037 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856 } elsif ($self->extcmd == 1) { # TODO: remove 3038 } elsif ($self->extcmd == 1) { # TODO: remove
2857 push @msg, msgtype => "event_$type"; 3039 push @msg, msgtype => "event_$type";
2858 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859 } 3041 }
2860} 3042}
2861 3043
2862=item $client->ext_reply ($msgid, @msg) 3044=item $client->ext_reply ($msgid, @msg)
2863 3045
2867 3049
2868sub cf::client::ext_reply($$@) { 3050sub cf::client::ext_reply($$@) {
2869 my ($self, $id, @msg) = @_; 3051 my ($self, $id, @msg) = @_;
2870 3052
2871 if ($self->extcmd == 2) { 3053 if ($self->extcmd == 2) {
2872 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg])); 3054 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873 } elsif ($self->extcmd == 1) { 3055 } elsif ($self->extcmd == 1) {
2874 #TODO: version 1, remove 3056 #TODO: version 1, remove
2875 unshift @msg, msgtype => "reply", msgid => $id; 3057 unshift @msg, msgtype => "reply", msgid => $id;
2876 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3058 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877 } 3059 }
2878} 3060}
2879 3061
2880=item $success = $client->query ($flags, "text", \&cb) 3062=item $success = $client->query ($flags, "text", \&cb)
2881 3063
2982 3164
2983 $coro 3165 $coro
2984} 3166}
2985 3167
2986cf::client->attach ( 3168cf::client->attach (
2987 on_destroy => sub { 3169 on_client_destroy => sub {
2988 my ($ns) = @_; 3170 my ($ns) = @_;
2989 3171
2990 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3172 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2991 }, 3173 },
2992); 3174);
3008our $safe_hole = new Safe::Hole; 3190our $safe_hole = new Safe::Hole;
3009 3191
3010$SIG{FPE} = 'IGNORE'; 3192$SIG{FPE} = 'IGNORE';
3011 3193
3012$safe->permit_only (Opcode::opset qw( 3194$safe->permit_only (Opcode::opset qw(
3013 :base_core :base_mem :base_orig :base_math 3195 :base_core :base_mem :base_orig :base_math :base_loop
3014 grepstart grepwhile mapstart mapwhile 3196 grepstart grepwhile mapstart mapwhile
3015 sort time 3197 sort time
3016)); 3198));
3017 3199
3018# here we export the classes and methods available to script code 3200# here we export the classes and methods available to script code
3021 3203
3022The following functions and methods are available within a safe environment: 3204The following functions and methods are available within a safe environment:
3023 3205
3024 cf::object 3206 cf::object
3025 contr pay_amount pay_player map x y force_find force_add destroy 3207 contr pay_amount pay_player map x y force_find force_add destroy
3026 insert remove name archname title slaying race decrease_ob_nr 3208 insert remove name archname title slaying race decrease split
3209 value
3027 3210
3028 cf::object::player 3211 cf::object::player
3029 player 3212 player
3030 3213
3031 cf::player 3214 cf::player
3036 3219
3037=cut 3220=cut
3038 3221
3039for ( 3222for (
3040 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3223 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041 insert remove inv name archname title slaying race 3224 insert remove inv nrof name archname title slaying race
3042 decrease_ob_nr destroy)], 3225 decrease split destroy change_exp value msg lore send_msg)],
3043 ["cf::object::player" => qw(player)], 3226 ["cf::object::player" => qw(player)],
3044 ["cf::player" => qw(peaceful)], 3227 ["cf::player" => qw(peaceful send_msg)],
3045 ["cf::map" => qw(trigger)], 3228 ["cf::map" => qw(trigger)],
3046) { 3229) {
3047 no strict 'refs'; 3230 no strict 'refs';
3048 my ($pkg, @funs) = @$_; 3231 my ($pkg, @funs) = @$_;
3049 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3232 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3067 3250
3068 my $qcode = $code; 3251 my $qcode = $code;
3069 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3252 $qcode =~ s/"/‟/g; # not allowed in #line filenames
3070 $qcode =~ s/\n/\\n/g; 3253 $qcode =~ s/\n/\\n/g;
3071 3254
3255 %vars = (_dummy => 0) unless %vars;
3256
3257 my @res;
3072 local $_; 3258 local $_;
3073 local @safe::cf::_safe_eval_args = values %vars;
3074 3259
3075 my $eval = 3260 my $eval =
3076 "do {\n" 3261 "do {\n"
3077 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3262 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3078 . "#line 0 \"{$qcode}\"\n" 3263 . "#line 0 \"{$qcode}\"\n"
3079 . $code 3264 . $code
3080 . "\n}" 3265 . "\n}"
3081 ; 3266 ;
3082 3267
3268 if ($CFG{safe_eval}) {
3083 sub_generation_inc; 3269 sub_generation_inc;
3270 local @safe::cf::_safe_eval_args = values %vars;
3084 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3271 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3085 sub_generation_inc; 3272 sub_generation_inc;
3273 } else {
3274 local @cf::_safe_eval_args = values %vars;
3275 @res = wantarray ? eval eval : scalar eval $eval;
3276 }
3086 3277
3087 if ($@) { 3278 if ($@) {
3088 warn "$@"; 3279 warn "$@";
3089 warn "while executing safe code '$code'\n"; 3280 warn "while executing safe code '$code'\n";
3090 warn "with arguments " . (join " ", %vars) . "\n"; 3281 warn "with arguments " . (join " ", %vars) . "\n";
3109=cut 3300=cut
3110 3301
3111sub register_script_function { 3302sub register_script_function {
3112 my ($fun, $cb) = @_; 3303 my ($fun, $cb) = @_;
3113 3304
3114 no strict 'refs'; 3305 $fun = "safe::$fun" if $CFG{safe_eval};
3115 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3306 *$fun = $safe_hole->wrap ($cb);
3116} 3307}
3117 3308
3118=back 3309=back
3119 3310
3120=cut 3311=cut
3141 3332
3142 $facedata->{version} == 2 3333 $facedata->{version} == 2
3143 or cf::cleanup "$path: version mismatch, cannot proceed."; 3334 or cf::cleanup "$path: version mismatch, cannot proceed.";
3144 3335
3145 # patch in the exptable 3336 # patch in the exptable
3337 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3146 $facedata->{resource}{"res/exp_table"} = { 3338 $facedata->{resource}{"res/exp_table"} = {
3147 type => FT_RSRC, 3339 type => FT_RSRC,
3148 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]), 3340 data => $exp_table,
3341 hash => (Digest::MD5::md5 $exp_table),
3149 }; 3342 };
3150 cf::cede_to_tick; 3343 cf::cede_to_tick;
3151 3344
3152 { 3345 {
3153 my $faces = $facedata->{faceinfo}; 3346 my $faces = $facedata->{faceinfo};
3155 while (my ($face, $info) = each %$faces) { 3348 while (my ($face, $info) = each %$faces) {
3156 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3349 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157 3350
3158 cf::face::set_visibility $idx, $info->{visibility}; 3351 cf::face::set_visibility $idx, $info->{visibility};
3159 cf::face::set_magicmap $idx, $info->{magicmap}; 3352 cf::face::set_magicmap $idx, $info->{magicmap};
3160 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3353 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3161 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3354 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3162 3355
3163 cf::cede_to_tick; 3356 cf::cede_to_tick;
3164 } 3357 }
3165 3358
3166 while (my ($face, $info) = each %$faces) { 3359 while (my ($face, $info) = each %$faces) {
3190 3383
3191 cf::anim::invalidate_all; # d'oh 3384 cf::anim::invalidate_all; # d'oh
3192 } 3385 }
3193 3386
3194 { 3387 {
3195 # TODO: for gcfclient pleasure, we should give resources
3196 # that gcfclient doesn't grok a >10000 face index.
3197 my $res = $facedata->{resource}; 3388 my $res = $facedata->{resource};
3198 3389
3199 while (my ($name, $info) = each %$res) { 3390 while (my ($name, $info) = each %$res) {
3200 if (defined $info->{type}) { 3391 if (defined $info->{type}) {
3201 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3392 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202 my $data;
3203 3393
3204 if ($info->{type} & 1) { 3394 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3205 # prepend meta info
3206
3207 my $meta = $enc->encode ({
3208 name => $name,
3209 %{ $info->{meta} || {} },
3210 });
3211
3212 $data = pack "(w/a*)*", $meta, $info->{data};
3213 } else {
3214 $data = $info->{data};
3215 }
3216
3217 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218 cf::face::set_type $idx, $info->{type}; 3395 cf::face::set_type $idx, $info->{type};
3219 } else { 3396 } else {
3220 $RESOURCE{$name} = $info; 3397 $RESOURCE{$name} = $info;
3221 } 3398 }
3222 3399
3255 while (my ($k, $v) = each %$want) { 3432 while (my ($k, $v) = each %$want) {
3256 $ns->fx_want ($k, $v); 3433 $ns->fx_want ($k, $v);
3257 } 3434 }
3258}; 3435};
3259 3436
3437sub load_resource_file($) {
3438 my $guard = lock_acquire "load_resource_file";
3439
3440 my $status = load_resource_file_ $_[0];
3441 get_slot 0.1, 100;
3442 cf::arch::commit_load;
3443
3444 $status
3445}
3446
3260sub reload_regions { 3447sub reload_regions {
3261 # HACK to clear player env face cache, we need some signal framework 3448 # HACK to clear player env face cache, we need some signal framework
3262 # for this (global event?) 3449 # for this (global event?)
3263 %ext::player_env::MUSIC_FACE_CACHE = (); 3450 %ext::player_env::MUSIC_FACE_CACHE = ();
3264 3451
3277} 3464}
3278 3465
3279sub reload_archetypes { 3466sub reload_archetypes {
3280 load_resource_file "$DATADIR/archetypes" 3467 load_resource_file "$DATADIR/archetypes"
3281 or die "unable to load archetypes\n"; 3468 or die "unable to load archetypes\n";
3282 #d# NEED to laod twice to resolve forward references
3283 # this really needs to be done in an extra post-pass
3284 # (which needs to be synchronous, so solve it differently)
3285 load_resource_file "$DATADIR/archetypes"
3286 or die "unable to load archetypes\n";
3287} 3469}
3288 3470
3289sub reload_treasures { 3471sub reload_treasures {
3290 load_resource_file "$DATADIR/treasures" 3472 load_resource_file "$DATADIR/treasures"
3291 or die "unable to load treasurelists\n"; 3473 or die "unable to load treasurelists\n";
3292} 3474}
3293 3475
3294sub reload_resources { 3476sub reload_resources {
3295 warn "reloading resource files...\n"; 3477 warn "reloading resource files...\n";
3296 3478
3479 reload_facedata;
3480 reload_archetypes;
3297 reload_regions; 3481 reload_regions;
3298 reload_facedata;
3299 #reload_archetypes;#d#
3300 reload_archetypes;
3301 reload_treasures; 3482 reload_treasures;
3302 3483
3303 warn "finished reloading resource files\n"; 3484 warn "finished reloading resource files\n";
3304} 3485}
3305 3486
3306sub init {
3307 reload_resources;
3308}
3309
3310sub reload_config { 3487sub reload_config {
3488 warn "reloading config file...\n";
3489
3311 open my $fh, "<:utf8", "$CONFDIR/config" 3490 open my $fh, "<:utf8", "$CONFDIR/config"
3312 or return; 3491 or return;
3313 3492
3314 local $/; 3493 local $/;
3315 *CFG = YAML::Load <$fh>; 3494 *CFG = YAML::XS::Load scalar <$fh>;
3316 3495
3317 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3496 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3318 3497
3319 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3498 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3320 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3499 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3324 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3503 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3325 and die "WARNING: m(un)lockall failed: $!\n"; 3504 and die "WARNING: m(un)lockall failed: $!\n";
3326 }; 3505 };
3327 warn $@ if $@; 3506 warn $@ if $@;
3328 } 3507 }
3508
3509 warn "finished reloading resource files\n";
3510}
3511
3512sub pidfile() {
3513 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3514 or die "$PIDFILE: $!";
3515 flock $fh, &Fcntl::LOCK_EX
3516 or die "$PIDFILE: flock: $!";
3517 $fh
3518}
3519
3520# make sure only one server instance is running at any one time
3521sub atomic {
3522 my $fh = pidfile;
3523
3524 my $pid = <$fh>;
3525 kill 9, $pid if $pid > 0;
3526
3527 seek $fh, 0, 0;
3528 print $fh $$;
3529}
3530
3531sub main_loop {
3532 warn "EV::loop starting\n";
3533 if (1) {
3534 EV::loop;
3535 }
3536 warn "EV::loop returned\n";
3537 goto &main_loop unless $REALLY_UNLOOP;
3329} 3538}
3330 3539
3331sub main { 3540sub main {
3541 cf::init_globals; # initialise logging
3542
3543 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3544 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3545 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3546 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3547
3548 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3549
3332 # we must not ever block the main coroutine 3550 # we must not ever block the main coroutine
3333 local $Coro::idle = sub { 3551 local $Coro::idle = sub {
3334 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3552 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335 (async { 3553 (async {
3336 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3554 $Coro::current->{desc} = "IDLE BUG HANDLER";
3337 EV::loop EV::LOOP_ONESHOT; 3555 EV::loop EV::LOOP_ONESHOT;
3338 })->prio (Coro::PRIO_MAX); 3556 })->prio (Coro::PRIO_MAX);
3339 }; 3557 };
3340 3558
3559 evthread_start IO::AIO::poll_fileno;
3560
3561 cf::sync_job {
3562 cf::init_experience;
3563 cf::init_anim;
3564 cf::init_attackmess;
3565 cf::init_dynamic;
3566
3567 cf::load_settings;
3568 cf::load_materials;
3569
3570 reload_resources;
3341 reload_config; 3571 reload_config;
3342 db_init; 3572 db_init;
3573
3574 cf::init_uuid;
3575 cf::init_signals;
3576 cf::init_skills;
3577
3578 cf::init_beforeplay;
3579
3580 atomic;
3581
3343 load_extensions; 3582 load_extensions;
3344 3583
3345 $TICK_WATCHER->start; 3584 utime time, time, $RUNTIMEFILE;
3346 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority 3585
3347 EV::loop; 3586 # no (long-running) fork's whatsoever before this point(!)
3587 use POSIX ();
3588 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3589
3590 (pop @POST_INIT)->(0) while @POST_INIT;
3591 };
3592
3593 main_loop;
3348} 3594}
3349 3595
3350############################################################################# 3596#############################################################################
3351# initialisation and cleanup 3597# initialisation and cleanup
3352 3598
3353# install some emergency cleanup handlers 3599# install some emergency cleanup handlers
3354BEGIN { 3600BEGIN {
3355 our %SIGWATCHER = (); 3601 our %SIGWATCHER = ();
3356 for my $signal (qw(INT HUP TERM)) { 3602 for my $signal (qw(INT HUP TERM)) {
3357 $SIGWATCHER{$signal} = EV::signal $signal, sub { 3603 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3358 cf::cleanup "SIG$signal"; 3604 cf::cleanup "SIG$signal";
3359 }; 3605 };
3360 } 3606 }
3361} 3607}
3362 3608
3363sub write_runtime { 3609sub write_runtime_sync {
3364 my $runtime = "$LOCALDIR/runtime"; 3610 my $t0 = AE::time;
3365 3611
3366 # first touch the runtime file to show we are still running: 3612 # first touch the runtime file to show we are still running:
3367 # the fsync below can take a very very long time. 3613 # the fsync below can take a very very long time.
3368 3614
3369 IO::AIO::aio_utime $runtime, undef, undef; 3615 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370 3616
3371 my $guard = cf::lock_acquire "write_runtime"; 3617 my $guard = cf::lock_acquire "write_runtime";
3372 3618
3373 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3619 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3374 or return; 3620 or return;
3375 3621
3376 my $value = $cf::RUNTIME + 90 + 10; 3622 my $value = $cf::RUNTIME + 90 + 10;
3377 # 10 is the runtime save interval, for a monotonic clock 3623 # 10 is the runtime save interval, for a monotonic clock
3378 # 60 allows for the watchdog to kill the server. 3624 # 60 allows for the watchdog to kill the server.
3388 aio_utime $fh, undef, undef; 3634 aio_utime $fh, undef, undef;
3389 3635
3390 close $fh 3636 close $fh
3391 or return; 3637 or return;
3392 3638
3393 aio_rename "$runtime~", $runtime 3639 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394 and return; 3640 and return;
3395 3641
3396 warn "runtime file written.\n"; 3642 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3397 3643
3398 1 3644 1
3645}
3646
3647our $uuid_lock;
3648our $uuid_skip;
3649
3650sub write_uuid_sync($) {
3651 $uuid_skip ||= $_[0];
3652
3653 return if $uuid_lock;
3654 local $uuid_lock = 1;
3655
3656 my $uuid = "$LOCALDIR/uuid";
3657
3658 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3659 or return;
3660
3661 my $value = uuid_seq uuid_cur;
3662
3663 unless ($value) {
3664 warn "cowardly refusing to write zero uuid value!\n";
3665 return;
3666 }
3667
3668 my $value = uuid_str $value + $uuid_skip;
3669 $uuid_skip = 0;
3670
3671 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3672 and return;
3673
3674 # always fsync - this file is important
3675 aio_fsync $fh
3676 and return;
3677
3678 close $fh
3679 or return;
3680
3681 aio_rename "$uuid~", $uuid
3682 and return;
3683
3684 warn "uuid file written ($value).\n";
3685
3686 1
3687
3688}
3689
3690sub write_uuid($$) {
3691 my ($skip, $sync) = @_;
3692
3693 $sync ? write_uuid_sync $skip
3694 : async { write_uuid_sync $skip };
3399} 3695}
3400 3696
3401sub emergency_save() { 3697sub emergency_save() {
3402 my $freeze_guard = cf::freeze_mainloop; 3698 my $freeze_guard = cf::freeze_mainloop;
3403 3699
3404 warn "enter emergency perl save\n"; 3700 warn "emergency_perl_save: enter\n";
3405 3701
3406 cf::sync_job { 3702 cf::sync_job {
3703 # this is a trade-off: we want to be very quick here, so
3704 # save all maps without fsync, and later call a global sync
3705 # (which in turn might be very very slow)
3706 local $USE_FSYNC = 0;
3707
3407 # use a peculiar iteration method to avoid tripping on perl 3708 # use a peculiar iteration method to avoid tripping on perl
3408 # refcount bugs in for. also avoids problems with players 3709 # refcount bugs in for. also avoids problems with players
3409 # and maps saved/destroyed asynchronously. 3710 # and maps saved/destroyed asynchronously.
3410 warn "begin emergency player save\n"; 3711 warn "emergency_perl_save: begin player save\n";
3411 for my $login (keys %cf::PLAYER) { 3712 for my $login (keys %cf::PLAYER) {
3412 my $pl = $cf::PLAYER{$login} or next; 3713 my $pl = $cf::PLAYER{$login} or next;
3413 $pl->valid or next; 3714 $pl->valid or next;
3414 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt 3715 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415 $pl->save; 3716 $pl->save;
3416 } 3717 }
3417 warn "end emergency player save\n"; 3718 warn "emergency_perl_save: end player save\n";
3418 3719
3419 warn "begin emergency map save\n"; 3720 warn "emergency_perl_save: begin map save\n";
3420 for my $path (keys %cf::MAP) { 3721 for my $path (keys %cf::MAP) {
3421 my $map = $cf::MAP{$path} or next; 3722 my $map = $cf::MAP{$path} or next;
3422 $map->valid or next; 3723 $map->valid or next;
3423 $map->save; 3724 $map->save;
3424 } 3725 }
3425 warn "end emergency map save\n"; 3726 warn "emergency_perl_save: end map save\n";
3426 3727
3427 warn "begin emergency database checkpoint\n"; 3728 warn "emergency_perl_save: begin database checkpoint\n";
3428 BDB::db_env_txn_checkpoint $DB_ENV; 3729 BDB::db_env_txn_checkpoint $DB_ENV;
3429 warn "end emergency database checkpoint\n"; 3730 warn "emergency_perl_save: end database checkpoint\n";
3731
3732 warn "emergency_perl_save: begin write uuid\n";
3733 write_uuid_sync 1;
3734 warn "emergency_perl_save: end write uuid\n";
3430 }; 3735 };
3431 3736
3737 warn "emergency_perl_save: starting sync()\n";
3738 IO::AIO::aio_sync sub {
3739 warn "emergency_perl_save: finished sync()\n";
3740 };
3741
3432 warn "leave emergency perl save\n"; 3742 warn "emergency_perl_save: leave\n";
3433} 3743}
3434 3744
3435sub post_cleanup { 3745sub post_cleanup {
3436 my ($make_core) = @_; 3746 my ($make_core) = @_;
3437 3747
3438 warn Carp::longmess "post_cleanup backtrace" 3748 warn Carp::longmess "post_cleanup backtrace"
3439 if $make_core; 3749 if $make_core;
3750
3751 my $fh = pidfile;
3752 unlink $PIDFILE if <$fh> == $$;
3753}
3754
3755# a safer delete_package, copied from Symbol
3756sub clear_package($) {
3757 my $pkg = shift;
3758
3759 # expand to full symbol table name if needed
3760 unless ($pkg =~ /^main::.*::$/) {
3761 $pkg = "main$pkg" if $pkg =~ /^::/;
3762 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3763 $pkg .= '::' unless $pkg =~ /::$/;
3764 }
3765
3766 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3767 my $stem_symtab = *{$stem}{HASH};
3768
3769 defined $stem_symtab and exists $stem_symtab->{$leaf}
3770 or return;
3771
3772 # clear all symbols
3773 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3774 for my $name (keys %$leaf_symtab) {
3775 _gv_clear *{"$pkg$name"};
3776# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3777 }
3778 warn "cleared package $pkg\n";#d#
3440} 3779}
3441 3780
3442sub do_reload_perl() { 3781sub do_reload_perl() {
3443 # can/must only be called in main 3782 # can/must only be called in main
3444 if ($Coro::current != $Coro::main) { 3783 if ($Coro::current != $Coro::main) {
3445 warn "can only reload from main coroutine"; 3784 warn "can only reload from main coroutine";
3446 return; 3785 return;
3447 } 3786 }
3448 3787
3788 return if $RELOAD++;
3789
3790 my $t1 = AE::time;
3791
3792 while ($RELOAD) {
3449 warn "reloading..."; 3793 warn "reloading...";
3450 3794
3451 warn "entering sync_job"; 3795 warn "entering sync_job";
3452 3796
3453 cf::sync_job { 3797 cf::sync_job {
3454 cf::write_runtime; # external watchdog should not bark 3798 cf::write_runtime_sync; # external watchdog should not bark
3455 cf::emergency_save; 3799 cf::emergency_save;
3456 cf::write_runtime; # external watchdog should not bark 3800 cf::write_runtime_sync; # external watchdog should not bark
3457 3801
3458 warn "syncing database to disk"; 3802 warn "syncing database to disk";
3459 BDB::db_env_txn_checkpoint $DB_ENV; 3803 BDB::db_env_txn_checkpoint $DB_ENV;
3460 3804
3461 # if anything goes wrong in here, we should simply crash as we already saved 3805 # if anything goes wrong in here, we should simply crash as we already saved
3462 3806
3463 warn "flushing outstanding aio requests"; 3807 warn "flushing outstanding aio requests";
3464 for (;;) {
3465 BDB::flush;
3466 IO::AIO::flush;
3467 Coro::cede_notself;
3468 last unless IO::AIO::nreqs || BDB::nreqs; 3808 while (IO::AIO::nreqs || BDB::nreqs) {
3469 warn "iterate..."; 3809 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3470 }
3471
3472 ++$RELOAD;
3473
3474 warn "cancelling all extension coros";
3475 $_->cancel for values %EXT_CORO;
3476 %EXT_CORO = ();
3477
3478 warn "removing commands";
3479 %COMMAND = ();
3480
3481 warn "removing ext/exti commands";
3482 %EXTCMD = ();
3483 %EXTICMD = ();
3484
3485 warn "unloading/nuking all extensions";
3486 for my $pkg (@EXTS) {
3487 warn "... unloading $pkg";
3488
3489 if (my $cb = $pkg->can ("unload")) {
3490 eval {
3491 $cb->($pkg);
3492 1
3493 } or warn "$pkg unloaded, but with errors: $@";
3494 } 3810 }
3495 3811
3496 warn "... nuking $pkg"; 3812 warn "cancelling all extension coros";
3497 Symbol::delete_package $pkg; 3813 $_->cancel for values %EXT_CORO;
3498 } 3814 %EXT_CORO = ();
3499 3815
3500 warn "unloading all perl modules loaded from $LIBDIR"; 3816 warn "removing commands";
3501 while (my ($k, $v) = each %INC) { 3817 %COMMAND = ();
3502 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503 3818
3819 warn "removing ext/exti commands";
3820 %EXTCMD = ();
3821 %EXTICMD = ();
3822
3823 warn "unloading/nuking all extensions";
3824 for my $pkg (@EXTS) {
3504 warn "... unloading $k"; 3825 warn "... unloading $pkg";
3505 delete $INC{$k};
3506 3826
3507 $k =~ s/\.pm$//;
3508 $k =~ s/\//::/g;
3509
3510 if (my $cb = $k->can ("unload_module")) { 3827 if (my $cb = $pkg->can ("unload")) {
3828 eval {
3511 $cb->(); 3829 $cb->($pkg);
3830 1
3831 } or warn "$pkg unloaded, but with errors: $@";
3832 }
3833
3834 warn "... clearing $pkg";
3835 clear_package $pkg;
3512 } 3836 }
3513 3837
3514 Symbol::delete_package $k; 3838 warn "unloading all perl modules loaded from $LIBDIR";
3839 while (my ($k, $v) = each %INC) {
3840 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3841
3842 warn "... unloading $k";
3843 delete $INC{$k};
3844
3845 $k =~ s/\.pm$//;
3846 $k =~ s/\//::/g;
3847
3848 if (my $cb = $k->can ("unload_module")) {
3849 $cb->();
3850 }
3851
3852 clear_package $k;
3515 } 3853 }
3516 3854
3517 warn "getting rid of safe::, as good as possible"; 3855 warn "getting rid of safe::, as good as possible";
3518 Symbol::delete_package "safe::$_" 3856 clear_package "safe::$_"
3519 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3857 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520 3858
3521 warn "unloading cf.pm \"a bit\""; 3859 warn "unloading cf.pm \"a bit\"";
3522 delete $INC{"cf.pm"}; 3860 delete $INC{"cf.pm"};
3523 delete $INC{"cf/pod.pm"}; 3861 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524 3862
3525 # don't, removes xs symbols, too, 3863 # don't, removes xs symbols, too,
3526 # and global variables created in xs 3864 # and global variables created in xs
3527 #Symbol::delete_package __PACKAGE__; 3865 #clear_package __PACKAGE__;
3528 3866
3529 warn "unload completed, starting to reload now"; 3867 warn "unload completed, starting to reload now";
3530 3868
3531 warn "reloading cf.pm"; 3869 warn "reloading cf.pm";
3532 require cf; 3870 require cf;
3533 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3871 cf::_connect_to_perl_1;
3534 3872
3535 warn "loading config and database again"; 3873 warn "loading config and database again";
3536 cf::reload_config; 3874 cf::reload_config;
3537 3875
3538 warn "loading extensions"; 3876 warn "loading extensions";
3539 cf::load_extensions; 3877 cf::load_extensions;
3540 3878
3879 if ($REATTACH_ON_RELOAD) {
3541 warn "reattaching attachments to objects/players"; 3880 warn "reattaching attachments to objects/players";
3542 _global_reattach; # objects, sockets 3881 _global_reattach; # objects, sockets
3543 warn "reattaching attachments to maps"; 3882 warn "reattaching attachments to maps";
3544 reattach $_ for values %MAP; 3883 reattach $_ for values %MAP;
3545 warn "reattaching attachments to players"; 3884 warn "reattaching attachments to players";
3546 reattach $_ for values %PLAYER; 3885 reattach $_ for values %PLAYER;
3886 }
3547 3887
3888 warn "running post_init jobs";
3889 (pop @POST_INIT)->(1) while @POST_INIT;
3890
3548 warn "leaving sync_job"; 3891 warn "leaving sync_job";
3549 3892
3550 1 3893 1
3551 } or do { 3894 } or do {
3552 warn $@; 3895 warn $@;
3553 warn "error while reloading, exiting."; 3896 cf::cleanup "error while reloading, exiting.";
3554 exit 1;
3555 }; 3897 };
3556 3898
3557 warn "reloaded"; 3899 warn "reloaded";
3900 --$RELOAD;
3901 }
3902
3903 $t1 = AE::time - $t1;
3904 warn "reload completed in ${t1}s\n";
3558}; 3905};
3559 3906
3560our $RELOAD_WATCHER; # used only during reload 3907our $RELOAD_WATCHER; # used only during reload
3561 3908
3562sub reload_perl() { 3909sub reload_perl() {
3563 # doing reload synchronously and two reloads happen back-to-back, 3910 # doing reload synchronously and two reloads happen back-to-back,
3564 # coro crashes during coro_state_free->destroy here. 3911 # coro crashes during coro_state_free->destroy here.
3565 3912
3913 $RELOAD_WATCHER ||= cf::async {
3914 Coro::AIO::aio_wait cache_extensions;
3915
3566 $RELOAD_WATCHER ||= EV::timer 0, 0, sub { 3916 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3917 do_reload_perl;
3567 undef $RELOAD_WATCHER; 3918 undef $RELOAD_WATCHER;
3568 do_reload_perl; 3919 };
3569 }; 3920 };
3570} 3921}
3571 3922
3572register_command "reload" => sub { 3923register_command "reload" => sub {
3573 my ($who, $arg) = @_; 3924 my ($who, $arg) = @_;
3587 3938
3588our @WAIT_FOR_TICK; 3939our @WAIT_FOR_TICK;
3589our @WAIT_FOR_TICK_BEGIN; 3940our @WAIT_FOR_TICK_BEGIN;
3590 3941
3591sub wait_for_tick { 3942sub wait_for_tick {
3592 return unless $TICK_WATCHER->is_active;
3593 return if $Coro::current == $Coro::main; 3943 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3594 3944
3595 my $signal = new Coro::Signal; 3945 my $signal = new Coro::Signal;
3596 push @WAIT_FOR_TICK, $signal; 3946 push @WAIT_FOR_TICK, $signal;
3597 $signal->wait; 3947 $signal->wait;
3598} 3948}
3599 3949
3600sub wait_for_tick_begin { 3950sub wait_for_tick_begin {
3601 return unless $TICK_WATCHER->is_active;
3602 return if $Coro::current == $Coro::main; 3951 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3603 3952
3604 my $signal = new Coro::Signal; 3953 my $signal = new Coro::Signal;
3605 push @WAIT_FOR_TICK_BEGIN, $signal; 3954 push @WAIT_FOR_TICK_BEGIN, $signal;
3606 $signal->wait; 3955 $signal->wait;
3607} 3956}
3608 3957
3609$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub { 3958sub tick {
3610 if ($Coro::current != $Coro::main) { 3959 if ($Coro::current != $Coro::main) {
3611 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3960 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612 unless ++$bug_warning > 10; 3961 unless ++$bug_warning > 10;
3613 return; 3962 return;
3614 } 3963 }
3615 3964
3616 $NOW = $tick_start = EV::now;
3617
3618 cf::server_tick; # one server iteration 3965 cf::server_tick; # one server iteration
3619 3966
3620 $RUNTIME += $TICK; 3967 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3621 $NEXT_TICK = $_[0]->at;
3622 3968
3623 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3969 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.; 3970 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625 Coro::async_pool { 3971 Coro::async_pool {
3626 $Coro::current->{desc} = "runtime saver"; 3972 $Coro::current->{desc} = "runtime saver";
3627 write_runtime 3973 write_runtime_sync
3628 or warn "ERROR: unable to write runtime file: $!"; 3974 or warn "ERROR: unable to write runtime file: $!";
3629 }; 3975 };
3630 } 3976 }
3631 3977
3632 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3978 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3634 } 3980 }
3635 while (my $sig = shift @WAIT_FOR_TICK) { 3981 while (my $sig = shift @WAIT_FOR_TICK) {
3636 $sig->send; 3982 $sig->send;
3637 } 3983 }
3638 3984
3639 $LOAD = ($NOW - $tick_start) / $TICK; 3985 $LOAD = ($NOW - $TICK_START) / $TICK;
3640 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641 3987
3642 _post_tick; 3988 if (0) {
3643}; 3989 if ($NEXT_TICK) {
3644$TICK_WATCHER->priority (EV::MAXPRI); 3990 my $jitter = $TICK_START - $NEXT_TICK;
3991 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3992 warn "jitter $JITTER\n";#d#
3993 }
3994 }
3995}
3645 3996
3646{ 3997{
3647 # configure BDB 3998 # configure BDB
3648 3999
3649 BDB::min_parallel 8; 4000 BDB::min_parallel 16;
3650 BDB::max_poll_reqs $TICK * 0.1; 4001 BDB::max_poll_reqs $TICK * 0.1;
3651 $Coro::BDB::WATCHER->priority (1); 4002 $AnyEvent::BDB::WATCHER->priority (1);
3652 4003
3653 unless ($DB_ENV) { 4004 unless ($DB_ENV) {
3654 $DB_ENV = BDB::db_env_create; 4005 $DB_ENV = BDB::db_env_create;
3655 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 4006 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656 | BDB::LOG_AUTOREMOVE, 1); 4007 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4008 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT); 4009 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT); 4010 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659 4011
3660 cf::sync_job { 4012 cf::sync_job {
3661 eval { 4013 eval {
3687{ 4039{
3688 # configure IO::AIO 4040 # configure IO::AIO
3689 4041
3690 IO::AIO::min_parallel 8; 4042 IO::AIO::min_parallel 8;
3691 IO::AIO::max_poll_time $TICK * 0.1; 4043 IO::AIO::max_poll_time $TICK * 0.1;
3692 $Coro::AIO::WATCHER->priority (1); 4044 undef $AnyEvent::AIO::WATCHER;
3693} 4045}
3694 4046
3695my $_log_backtrace; 4047my $_log_backtrace;
3696 4048
3697sub _log_backtrace { 4049sub _log_backtrace {
3700 $msg =~ s/\n//; 4052 $msg =~ s/\n//;
3701 4053
3702 # limit the # of concurrent backtraces 4054 # limit the # of concurrent backtraces
3703 if ($_log_backtrace < 2) { 4055 if ($_log_backtrace < 2) {
3704 ++$_log_backtrace; 4056 ++$_log_backtrace;
4057 my $perl_bt = Carp::longmess $msg;
3705 async { 4058 async {
3706 $Coro::current->{desc} = "abt $msg"; 4059 $Coro::current->{desc} = "abt $msg";
3707 4060
3708 my @bt = fork_call { 4061 my @bt = fork_call {
3709 @addr = map { sprintf "%x", $_ } @addr; 4062 @addr = map { sprintf "%x", $_ } @addr;
3720 } 4073 }
3721 4074
3722 @funcs 4075 @funcs
3723 }; 4076 };
3724 4077
3725 LOG llevInfo, "[ABT] $msg\n"; 4078 LOG llevInfo, "[ABT] $perl_bt\n";
4079 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726 LOG llevInfo, "[ABT] $_\n" for @bt; 4080 LOG llevInfo, "[ABT] $_\n" for @bt;
3727 --$_log_backtrace; 4081 --$_log_backtrace;
3728 }; 4082 };
3729 } else { 4083 } else {
3730 LOG llevInfo, "[ABT] $msg\n"; 4084 LOG llevInfo, "[ABT] $msg\n";
3731 LOG llevInfo, "[ABT] [suppressed]\n"; 4085 LOG llevInfo, "[ABT] [suppressed]\n";
3732 } 4086 }
3733} 4087}
3734 4088
3735# load additional modules 4089# load additional modules
3736use cf::pod; 4090require "cf/$_.pm" for @EXTRA_MODULES;
4091cf::_connect_to_perl_2;
3737 4092
3738END { cf::emergency_save } 4093END { cf::emergency_save }
3739 4094
37401 40951
3741 4096

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