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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.348 by root, Thu Aug 30 08:34:40 2007 UTC vs.
Revision 1.453 by root, Tue Sep 23 04:29:11 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.64 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
24use Coro::Util (); 49use Coro::Util ();
25 50
26use JSON::XS (); 51use JSON::XS 2.01 ();
27use BDB (); 52use BDB ();
28use Data::Dumper; 53use Data::Dumper;
29use Digest::MD5; 54use Digest::MD5;
30use Fcntl; 55use Fcntl;
31use YAML::Syck (); 56use YAML ();
32use IO::AIO 2.32 (); 57use IO::AIO ();
33use Time::HiRes; 58use Time::HiRes;
34use Compress::LZF; 59use Compress::LZF;
35use Digest::MD5 (); 60use Digest::MD5 ();
61
62AnyEvent::detect;
36 63
37# configure various modules to our taste 64# configure various modules to our taste
38# 65#
39$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 74
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 76
52our %COMMAND = (); 77our %COMMAND = ();
53our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
56our %EXTCMD = (); 81our %EXTCMD = ();
57our %EXTICMD = (); 82our %EXTICMD = ();
58our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
59our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
60 85
61our $RELOAD; # number of reloads so far 86our $RELOAD; # number of reloads so far, non-zero while in reload
62our @EVENT; 87our @EVENT;
63 88
64our $CONFDIR = confdir; 89our $CONFDIR = confdir;
65our $DATADIR = datadir; 90our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext"; 91our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod"; 92our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir; 93our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir; 94our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 95our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 98our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
103our %RESOURCE;
75 104
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER;
78our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 107our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 108our $USE_FSYNC = 1; # use fsync to write maps - default off
83 109
110our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER;
84our $BDB_POLL_WATCHER; 112our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 113our $DB_ENV;
86 114
87our %CFG; 115our %CFG;
88 116
89our $UPTIME; $UPTIME ||= time; 117our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 118our $RUNTIME;
119our $NOW;
91 120
92our %PLAYER; # all users 121our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 122our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 123our $LINK_MAP; # the special {link} map, which is always available
95 124
96# used to convert map paths into valid unix filenames by replacing / by ∕ 125# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 126our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 127
99our $LOAD; # a number between 0 (idle) and 1 (too many objects) 128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing 129our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter
101our $tick_start; # for load detecting purposes 131our $TICK_START; # for load detecting purposes
132
133our @POST_INIT;
102 134
103binmode STDOUT; 135binmode STDOUT;
104binmode STDERR; 136binmode STDERR;
105 137
106# read virtual server time, if available 138# read virtual server time, if available
107unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 139unless ($RUNTIME || !-e $RUNTIMEFILE) {
108 open my $fh, "<", "$LOCALDIR/runtime" 140 open my $fh, "<", $RUNTIMEFILE
109 or die "unable to read runtime file: $!"; 141 or die "unable to read $RUNTIMEFILE file: $!";
110 $RUNTIME = <$fh> + 0.; 142 $RUNTIME = <$fh> + 0.;
111} 143}
112 144
113mkdir $_ 145mkdir $_
114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 146 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
159 191
160The raw value load value from the last tick. 192The raw value load value from the last tick.
161 193
162=item %cf::CFG 194=item %cf::CFG
163 195
164Configuration for the server, loaded from C</etc/crossfire/config>, or 196Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 197from wherever your confdir points to.
166 198
167=item cf::wait_for_tick, cf::wait_for_tick_begin 199=item cf::wait_for_tick, cf::wait_for_tick_begin
168 200
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 201These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 219 $msg .= "\n"
188 unless $msg =~ /\n$/; 220 unless $msg =~ /\n$/;
189 221
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 222 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 223
192 utf8::encode $msg;
193 LOG llevError, $msg; 224 LOG llevError, $msg;
194 }; 225 };
195} 226}
227
228$Coro::State::DIEHOOK = sub {
229 return unless $^S eq 0; # "eq", not "=="
230
231 if ($Coro::current == $Coro::main) {#d#
232 warn "DIEHOOK called in main context, Coro bug?\n";#d#
233 return;#d#
234 }#d#
235
236 # kill coroutine otherwise
237 warn Carp::longmess $_[0];
238 Coro::terminate
239};
240
241$SIG{__DIE__} = sub { }; #d#?
196 242
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 243@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 244@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 245@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 246@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
207for my $pkg (qw( 253for my $pkg (qw(
208 cf::global cf::attachable 254 cf::global cf::attachable
209 cf::object cf::object::player 255 cf::object cf::object::player
210 cf::client cf::player 256 cf::client cf::player
211 cf::arch cf::living 257 cf::arch cf::living
258 cf::map cf::mapspace
212 cf::map cf::party cf::region 259 cf::party cf::region
213)) { 260)) {
214 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 261 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 262}
217 263
218$Event::DIED = sub { 264$EV::DIED = sub {
219 warn "error in event callback: @_"; 265 warn "error in event callback: @_";
220}; 266};
221 267
222############################################################################# 268#############################################################################
223 269
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 292 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 293 $d
248 } || "[unable to dump $_[0]: '$@']"; 294 } || "[unable to dump $_[0]: '$@']";
249} 295}
250 296
251=item $ref = cf::from_json $json 297=item $ref = cf::decode_json $json
252 298
253Converts a JSON string into the corresponding perl data structure. 299Converts a JSON string into the corresponding perl data structure.
254 300
255=item $json = cf::to_json $ref 301=item $json = cf::encode_json $ref
256 302
257Converts a perl data structure into its JSON representation. 303Converts a perl data structure into its JSON representation.
258 304
259=cut 305=cut
260 306
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 307our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 308
263sub to_json ($) { $json_coder->encode ($_[0]) } 309sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 310sub decode_json($) { $json_coder->decode ($_[0]) }
311
312=item cf::post_init { BLOCK }
313
314Execute the given codeblock, I<after> all extensions have been (re-)loaded,
315but I<before> the server starts ticking again.
316
317The cdoeblock will have a single boolean argument to indicate whether this
318is a reload or not.
319
320=cut
321
322sub post_init(&) {
323 push @POST_INIT, shift;
324}
265 325
266=item cf::lock_wait $string 326=item cf::lock_wait $string
267 327
268Wait until the given lock is available. See cf::lock_acquire. 328Wait until the given lock is available. See cf::lock_acquire.
269 329
285Return true if the lock is currently active, i.e. somebody has locked it. 345Return true if the lock is currently active, i.e. somebody has locked it.
286 346
287=cut 347=cut
288 348
289our %LOCK; 349our %LOCK;
350our %LOCKER;#d#
290 351
291sub lock_wait($) { 352sub lock_wait($) {
292 my ($key) = @_; 353 my ($key) = @_;
293 354
355 if ($LOCKER{$key} == $Coro::current) {#d#
356 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
357 return;#d#
358 }#d#
359
294 # wait for lock, if any 360 # wait for lock, if any
295 while ($LOCK{$key}) { 361 while ($LOCK{$key}) {
362 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
296 push @{ $LOCK{$key} }, $Coro::current; 363 push @{ $LOCK{$key} }, $Coro::current;
297 Coro::schedule; 364 Coro::schedule;
298 } 365 }
299} 366}
300 367
303 370
304 # wait, to be sure we are not locked 371 # wait, to be sure we are not locked
305 lock_wait $key; 372 lock_wait $key;
306 373
307 $LOCK{$key} = []; 374 $LOCK{$key} = [];
375 $LOCKER{$key} = $Coro::current;#d#
308 376
309 Coro::guard { 377 Coro::guard {
378 delete $LOCKER{$key};#d#
310 # wake up all waiters, to be on the safe side 379 # wake up all waiters, to be on the safe side
311 $_->ready for @{ delete $LOCK{$key} }; 380 $_->ready for @{ delete $LOCK{$key} };
312 } 381 }
313} 382}
314 383
317 386
318 ! ! $LOCK{$key} 387 ! ! $LOCK{$key}
319} 388}
320 389
321sub freeze_mainloop { 390sub freeze_mainloop {
322 return unless $TICK_WATCHER->is_active; 391 tick_inhibit_inc;
323 392
324 my $guard = Coro::guard { 393 Coro::guard \&tick_inhibit_dec;
325 $TICK_WATCHER->start; 394}
326 }; 395
327 $TICK_WATCHER->stop; 396=item cf::periodic $interval, $cb
328 $guard 397
398Like EV::periodic, but randomly selects a starting point so that the actions
399get spread over timer.
400
401=cut
402
403sub periodic($$) {
404 my ($interval, $cb) = @_;
405
406 my $start = rand List::Util::min 180, $interval;
407
408 EV::periodic $start, $interval, 0, $cb
329} 409}
330 410
331=item cf::get_slot $time[, $priority[, $name]] 411=item cf::get_slot $time[, $priority[, $name]]
332 412
333Allocate $time seconds of blocking CPU time at priority C<$priority>: 413Allocate $time seconds of blocking CPU time at priority C<$priority>:
344our @SLOT_QUEUE; 424our @SLOT_QUEUE;
345our $SLOT_QUEUE; 425our $SLOT_QUEUE;
346 426
347$SLOT_QUEUE->cancel if $SLOT_QUEUE; 427$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async { 428$SLOT_QUEUE = Coro::async {
429 $Coro::current->desc ("timeslot manager");
430
349 my $signal = new Coro::Signal; 431 my $signal = new Coro::Signal;
350 432
351 while () { 433 while () {
352 next_job: 434 next_job:
353 my $avail = cf::till_tick; 435 my $avail = cf::till_tick;
361 } 443 }
362 } 444 }
363 } 445 }
364 446
365 if (@SLOT_QUEUE) { 447 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive 448 # we do not use wait_for_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal; 449 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait; 450 $signal->wait;
369 } else { 451 } else {
370 Coro::schedule; 452 Coro::schedule;
371 } 453 }
372 } 454 }
373}; 455};
374 456
375sub get_slot($;$$) { 457sub get_slot($;$$) {
458 return if tick_inhibit || $Coro::current == $Coro::main;
459
376 my ($time, $pri, $name) = @_; 460 my ($time, $pri, $name) = @_;
377 461
378 $time = $TICK * .6 if $time > $TICK * .6; 462 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal; 463 my $sig = new Coro::Signal;
380 464
394 478
395BEGIN { *async = \&Coro::async_pool } 479BEGIN { *async = \&Coro::async_pool }
396 480
397=item cf::sync_job { BLOCK } 481=item cf::sync_job { BLOCK }
398 482
399The design of Crossfire TRT requires that the main coroutine ($Coro::main) 483The design of Deliantra requires that the main coroutine ($Coro::main)
400is always able to handle events or runnable, as Crossfire TRT is only 484is always able to handle events or runnable, as Deliantra is only
401partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 485partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable. 486acceptable.
403 487
404If it must be done, put the blocking parts into C<sync_job>. This will run 488If it must be done, put the blocking parts into C<sync_job>. This will run
405the given BLOCK in another coroutine while waiting for the result. The 489the given BLOCK in another coroutine while waiting for the result. The
410 494
411sub sync_job(&) { 495sub sync_job(&) {
412 my ($job) = @_; 496 my ($job) = @_;
413 497
414 if ($Coro::current == $Coro::main) { 498 if ($Coro::current == $Coro::main) {
415 my $time = Event::time; 499 my $time = EV::time;
416 500
417 # this is the main coro, too bad, we have to block 501 # this is the main coro, too bad, we have to block
418 # till the operation succeeds, freezing the server :/ 502 # till the operation succeeds, freezing the server :/
419 503
420 # TODO: use suspend/resume instead 504 LOG llevError, Carp::longmess "sync job";#d#
421 # (but this is cancel-safe) 505
422 my $freeze_guard = freeze_mainloop; 506 my $freeze_guard = freeze_mainloop;
423 507
424 my $busy = 1; 508 my $busy = 1;
425 my @res; 509 my @res;
426 510
427 (async { 511 (async {
512 $Coro::current->desc ("sync job coro");
428 @res = eval { $job->() }; 513 @res = eval { $job->() };
429 warn $@ if $@; 514 warn $@ if $@;
430 undef $busy; 515 undef $busy;
431 })->prio (Coro::PRIO_MAX); 516 })->prio (Coro::PRIO_MAX);
432 517
433 while ($busy) { 518 while ($busy) {
434 Coro::cede or Event::one_event; 519 if (Coro::nready) {
520 Coro::cede_notself;
521 } else {
522 EV::loop EV::LOOP_ONESHOT;
435 } 523 }
524 }
436 525
437 $time = Event::time - $time; 526 my $time = EV::time - $time;
438 527
439 LOG llevError | logBacktrace, Carp::longmess "long sync job"
440 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442 $tick_start += $time; # do not account sync jobs to server load 528 $TICK_START += $time; # do not account sync jobs to server load
443 529
444 wantarray ? @res : $res[0] 530 wantarray ? @res : $res[0]
445 } else { 531 } else {
446 # we are in another coroutine, how wonderful, everything just works 532 # we are in another coroutine, how wonderful, everything just works
447 533
472=item fork_call { }, $args 558=item fork_call { }, $args
473 559
474Executes the given code block with the given arguments in a seperate 560Executes the given code block with the given arguments in a seperate
475process, returning the results. Everything must be serialisable with 561process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may 562Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling. 563never block itself or use any form of event handling.
478 564
479=cut 565=cut
480 566
481sub fork_call(&@) { 567sub fork_call(&@) {
482 my ($cb, @args) = @_; 568 my ($cb, @args) = @_;
483 569
484 # we seemingly have to make a local copy of the whole thing, 570 # we seemingly have to make a local copy of the whole thing,
485 # otherwise perl prematurely frees the stuff :/ 571 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious) 572 # TODO: investigate and fix (likely this will be rather laborious)
487 573
488 my @res = Coro::Util::fork_eval { 574 my @res = Coro::Util::fork_eval {
489 reset_signals; 575 reset_signals;
490 &$cb 576 &$cb
491 }, @args; 577 }, @args;
492 578
493 wantarray ? @res : $res[-1] 579 wantarray ? @res : $res[-1]
494} 580}
495 581
582=item $coin = coin_from_name $name
583
584=cut
585
586our %coin_alias = (
587 "silver" => "silvercoin",
588 "silvercoin" => "silvercoin",
589 "silvercoins" => "silvercoin",
590 "gold" => "goldcoin",
591 "goldcoin" => "goldcoin",
592 "goldcoins" => "goldcoin",
593 "platinum" => "platinacoin",
594 "platinumcoin" => "platinacoin",
595 "platinumcoins" => "platinacoin",
596 "platina" => "platinacoin",
597 "platinacoin" => "platinacoin",
598 "platinacoins" => "platinacoin",
599 "royalty" => "royalty",
600 "royalties" => "royalty",
601);
602
603sub coin_from_name($) {
604 $coin_alias{$_[0]}
605 ? cf::arch::find $coin_alias{$_[0]}
606 : undef
607}
608
496=item $value = cf::db_get $family => $key 609=item $value = cf::db_get $family => $key
497 610
498Returns a single value from the environment database. 611Returns a single value from the environment database.
499 612
500=item cf::db_put $family => $key => $value 613=item cf::db_put $family => $key => $value
501 614
502Stores the given C<$value> in the family. It can currently store binary 615Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 616data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504 617
618=item $db = cf::db_table "name"
619
620Create and/or open a new database table. The string must not be "db" and must be unique
621within each server.
622
505=cut 623=cut
624
625sub db_table($) {
626 my ($name) = @_;
627 my $db = BDB::db_create $DB_ENV;
628
629 eval {
630 $db->set_flags (BDB::CHKSUM);
631
632 utf8::encode $name;
633 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
634 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
635 cf::cleanup "db_open(db): $!" if $!;
636 };
637 cf::cleanup "db_open(db): $@" if $@;
638
639 $db
640}
506 641
507our $DB; 642our $DB;
508 643
509sub db_init { 644sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job { 645 cf::sync_job {
514 eval { 646 $DB ||= db_table "db";
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
523 } 647 };
524} 648}
525 649
526sub db_get($$) { 650sub db_get($$) {
527 my $key = "$_[0]/$_[1]"; 651 my $key = "$_[0]/$_[1]";
528 652
626 750
627############################################################################# 751#############################################################################
628 752
629=head2 ATTACHABLE OBJECTS 753=head2 ATTACHABLE OBJECTS
630 754
631Many objects in crossfire are so-called attachable objects. That means you can 755Many objects in deliantra are so-called attachable objects. That means you can
632attach callbacks/event handlers (a collection of which is called an "attachment") 756attach callbacks/event handlers (a collection of which is called an "attachment")
633to it. All such attachable objects support the following methods. 757to it. All such attachable objects support the following methods.
634 758
635In the following description, CLASS can be any of C<global>, C<object> 759In the following description, CLASS can be any of C<global>, C<object>
636C<player>, C<client> or C<map> (i.e. the attachable objects in 760C<player>, C<client> or C<map> (i.e. the attachable objects in
637Crossfire TRT). 761Deliantra).
638 762
639=over 4 763=over 4
640 764
641=item $attachable->attach ($attachment, key => $value...) 765=item $attachable->attach ($attachment, key => $value...)
642 766
686=item cf::CLASS::attachment $name, ... 810=item cf::CLASS::attachment $name, ...
687 811
688Register an attachment by C<$name> through which attachable objects of the 812Register an attachment by C<$name> through which attachable objects of the
689given CLASS can refer to this attachment. 813given CLASS can refer to this attachment.
690 814
691Some classes such as crossfire maps and objects can specify attachments 815Some classes such as deliantra maps and objects can specify attachments
692that are attached at load/instantiate time, thus the need for a name. 816that are attached at load/instantiate time, thus the need for a name.
693 817
694These calls expect any number of the following handler/hook descriptions: 818These calls expect any number of the following handler/hook descriptions:
695 819
696=over 4 820=over 4
924 } 1048 }
925 1049
926 0 1050 0
927} 1051}
928 1052
929=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1053=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930 1054
931=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932 1056
933Generate an object-specific event with the given arguments. 1057Generate an object-specific event with the given arguments.
934 1058
940 1064
941=cut 1065=cut
942 1066
943############################################################################# 1067#############################################################################
944# object support 1068# object support
945#
946 1069
1070sub _object_equal($$);
1071sub _object_equal($$) {
1072 my ($a, $b) = @_;
1073
1074 return 0 unless (ref $a) eq (ref $b);
1075
1076 if ("HASH" eq ref $a) {
1077 my @ka = keys %$a;
1078 my @kb = keys %$b;
1079
1080 return 0 if @ka != @kb;
1081
1082 for (0 .. $#ka) {
1083 return 0 unless $ka[$_] eq $kb[$_];
1084 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1085 }
1086
1087 } elsif ("ARRAY" eq ref $a) {
1088
1089 return 0 if @$a != @$b;
1090
1091 for (0 .. $#$a) {
1092 return 0 unless _object_equal $a->[$_], $b->[$_];
1093 }
1094
1095 } elsif ($a ne $b) {
1096 return 0;
1097 }
1098
1099 1
1100}
1101
1102our $SLOW_MERGES;#d#
947sub _can_merge { 1103sub _can_merge {
948 my ($ob1, $ob2) = @_; 1104 my ($ob1, $ob2) = @_;
949 1105
950 local $Storable::canonical = 1; 1106 ++$SLOW_MERGES;#d#
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953 1107
954 $fob1 eq $fob2 1108 # we do the slow way here
1109 return _object_equal $ob1, $ob2
955} 1110}
956 1111
957sub reattach { 1112sub reattach {
958 # basically do the same as instantiate, without calling instantiate 1113 # basically do the same as instantiate, without calling instantiate
959 my ($obj) = @_; 1114 my ($obj) = @_;
960 1115
1116 # no longer needed after getting rid of delete_package?
961 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1117 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962 1118
963 my $registry = $obj->registry; 1119 my $registry = $obj->registry;
964 1120
965 @$registry = (); 1121 @$registry = ();
966 1122
981cf::attachable->attach ( 1137cf::attachable->attach (
982 prio => -1000000, 1138 prio => -1000000,
983 on_instantiate => sub { 1139 on_instantiate => sub {
984 my ($obj, $data) = @_; 1140 my ($obj, $data) = @_;
985 1141
986 $data = from_json $data; 1142 $data = decode_json $data;
987 1143
988 for (@$data) { 1144 for (@$data) {
989 my ($name, $args) = @$_; 1145 my ($name, $args) = @$_;
990 1146
991 $obj->attach ($name, %{$args || {} }); 1147 $obj->attach ($name, %{$args || {} });
1007sub object_freezer_save { 1163sub object_freezer_save {
1008 my ($filename, $rdata, $objs) = @_; 1164 my ($filename, $rdata, $objs) = @_;
1009 1165
1010 sync_job { 1166 sync_job {
1011 if (length $$rdata) { 1167 if (length $$rdata) {
1168 utf8::decode (my $decname = $filename);
1012 warn sprintf "saving %s (%d,%d)\n", 1169 warn sprintf "saving %s (%d,%d)\n",
1013 $filename, length $$rdata, scalar @$objs; 1170 $decname, length $$rdata, scalar @$objs;
1014 1171
1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1172 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016 chmod SAVE_MODE, $fh; 1173 aio_chmod $fh, SAVE_MODE;
1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1174 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018 aio_fsync $fh if $cf::USE_FSYNC; 1175 aio_fsync $fh if $cf::USE_FSYNC;
1019 close $fh; 1176 aio_close $fh;
1020 1177
1021 if (@$objs) { 1178 if (@$objs) {
1022 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1179 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023 chmod SAVE_MODE, $fh; 1180 aio_chmod $fh, SAVE_MODE;
1024 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1181 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025 aio_write $fh, 0, (length $data), $data, 0; 1182 aio_write $fh, 0, (length $data), $data, 0;
1026 aio_fsync $fh if $cf::USE_FSYNC; 1183 aio_fsync $fh if $cf::USE_FSYNC;
1027 close $fh; 1184 aio_close $fh;
1028 aio_rename "$filename.pst~", "$filename.pst"; 1185 aio_rename "$filename.pst~", "$filename.pst";
1029 } 1186 }
1030 } else { 1187 } else {
1031 aio_unlink "$filename.pst"; 1188 aio_unlink "$filename.pst";
1032 } 1189 }
1037 } 1194 }
1038 } else { 1195 } else {
1039 aio_unlink $filename; 1196 aio_unlink $filename;
1040 aio_unlink "$filename.pst"; 1197 aio_unlink "$filename.pst";
1041 } 1198 }
1042 } 1199 };
1043} 1200}
1044 1201
1045sub object_freezer_as_string { 1202sub object_freezer_as_string {
1046 my ($rdata, $objs) = @_; 1203 my ($rdata, $objs) = @_;
1047 1204
1059 or return; 1216 or return;
1060 1217
1061 unless (aio_stat "$filename.pst") { 1218 unless (aio_stat "$filename.pst") {
1062 (aio_load "$filename.pst", $av) >= 0 1219 (aio_load "$filename.pst", $av) >= 0
1063 or return; 1220 or return;
1221
1064 $av = eval { (Storable::thaw $av)->{objs} }; 1222 my $st = eval { Coro::Storable::thaw $av };
1223 $av = $st->{objs};
1065 } 1224 }
1066 1225
1226 utf8::decode (my $decname = $filename);
1067 warn sprintf "loading %s (%d)\n", 1227 warn sprintf "loading %s (%d,%d)\n",
1068 $filename, length $data, scalar @{$av || []}; 1228 $decname, length $data, scalar @{$av || []};
1229
1069 return ($data, $av); 1230 ($data, $av)
1070} 1231}
1071 1232
1072=head2 COMMAND CALLBACKS 1233=head2 COMMAND CALLBACKS
1073 1234
1074=over 4 1235=over 4
1197 1358
1198 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1359 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1360 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200 1361
1201 $ext{source} = 1362 $ext{source} =
1202 "package $pkg; use strict; use utf8;\n" 1363 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203 . "#line 1 \"$path\"\n{\n" 1364 . "#line 1 \"$path\"\n{\n"
1204 . $source 1365 . $source
1205 . "\n};\n1"; 1366 . "\n};\n1";
1206 1367
1207 $todo{$base} = \%ext; 1368 $todo{$base} = \%ext;
1223 my $msg = $@ ? "$v->{path}: $@\n" 1384 my $msg = $@ ? "$v->{path}: $@\n"
1224 : "$v->{base}: extension inactive.\n"; 1385 : "$v->{base}: extension inactive.\n";
1225 1386
1226 if (exists $v->{meta}{mandatory}) { 1387 if (exists $v->{meta}{mandatory}) {
1227 warn $msg; 1388 warn $msg;
1228 warn "mandatory extension failed to load, exiting.\n"; 1389 cf::cleanup "mandatory extension failed to load, exiting.";
1229 exit 1;
1230 } 1390 }
1231 1391
1232 warn $msg; 1392 warn $msg;
1233 } 1393 }
1234 1394
1248 1408
1249=back 1409=back
1250 1410
1251=head2 CORE EXTENSIONS 1411=head2 CORE EXTENSIONS
1252 1412
1253Functions and methods that extend core crossfire objects. 1413Functions and methods that extend core deliantra objects.
1254 1414
1255=cut 1415=cut
1256 1416
1257package cf::player; 1417package cf::player;
1258 1418
1259use Coro::AIO; 1419use Coro::AIO;
1260 1420
1261=head3 cf::player 1421=head3 cf::player
1262 1422
1263=over 4 1423=over 4
1424
1425=item cf::player::num_playing
1426
1427Returns the official number of playing players, as per the Crossfire metaserver rules.
1428
1429=cut
1430
1431sub num_playing {
1432 scalar grep
1433 $_->ob->map
1434 && !$_->hidden
1435 && !$_->ob->flag (cf::FLAG_WIZ),
1436 cf::player::list
1437}
1264 1438
1265=item cf::player::find $login 1439=item cf::player::find $login
1266 1440
1267Returns the given player object, loading it if necessary (might block). 1441Returns the given player object, loading it if necessary (might block).
1268 1442
1287 1461
1288sub exists($) { 1462sub exists($) {
1289 my ($login) = @_; 1463 my ($login) = @_;
1290 1464
1291 $cf::PLAYER{$login} 1465 $cf::PLAYER{$login}
1292 or cf::sync_job { !aio_stat path $login } 1466 or !aio_stat path $login
1293} 1467}
1294 1468
1295sub find($) { 1469sub find($) {
1296 return $cf::PLAYER{$_[0]} || do { 1470 return $cf::PLAYER{$_[0]} || do {
1297 my $login = $_[0]; 1471 my $login = $_[0];
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1478 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1479 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1480 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl"; 1481 aio_unlink +(playerdir $login) . "/$login.pl";
1308 1482
1309 my $pl = load_pl path $login 1483 my $f = new_from_file cf::object::thawer path $login
1310 or return; 1484 or return;
1485
1486 my $pl = cf::player::load_pl $f
1487 or return;
1488
1489 local $cf::PLAYER_LOADING{$login} = $pl;
1490 $f->resolve_delayed_derefs;
1311 $cf::PLAYER{$login} = $pl 1491 $cf::PLAYER{$login} = $pl
1312 } 1492 }
1313 } 1493 }
1314} 1494}
1315 1495
1323 1503
1324 return if $pl->{deny_save}; 1504 return if $pl->{deny_save};
1325 1505
1326 aio_mkdir playerdir $pl, 0770; 1506 aio_mkdir playerdir $pl, 0770;
1327 $pl->{last_save} = $cf::RUNTIME; 1507 $pl->{last_save} = $cf::RUNTIME;
1508
1509 cf::get_slot 0.01;
1328 1510
1329 $pl->save_pl ($path); 1511 $pl->save_pl ($path);
1330 cf::cede_to_tick; 1512 cf::cede_to_tick;
1331} 1513}
1332 1514
1364 my ($pl) = @_; 1546 my ($pl) = @_;
1365 1547
1366 my $name = $pl->ob->name; 1548 my $name = $pl->ob->name;
1367 1549
1368 $pl->{deny_save} = 1; 1550 $pl->{deny_save} = 1;
1369 $pl->password ("*"); # this should lock out the player until we nuked the dir 1551 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1370 1552
1371 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1553 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372 $pl->deactivate; 1554 $pl->deactivate;
1555 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1556 $pl->ob->check_score;
1373 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1557 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1374 $pl->ns->destroy if $pl->ns; 1558 $pl->ns->destroy if $pl->ns;
1375 1559
1376 my $path = playerdir $pl; 1560 my $path = playerdir $pl;
1377 my $temp = "$path~$cf::RUNTIME~deleting~"; 1561 my $temp = "$path~$cf::RUNTIME~deleting~";
1413 or return []; 1597 or return [];
1414 1598
1415 my @logins; 1599 my @logins;
1416 1600
1417 for my $login (@$dirs) { 1601 for my $login (@$dirs) {
1602 my $path = path $login;
1603
1604 # a .pst is a dead give-away for a valid player
1605 # if no pst file found, open and chekc for blocked users
1606 if (aio_stat "$path.pst") {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1607 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next; 1608 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag 1609 $buf !~ /^password -------------$/m or next; # official not-valid tag
1610 }
1421 1611
1422 utf8::decode $login; 1612 utf8::decode $login;
1423 push @logins, $login; 1613 push @logins, $login;
1424 } 1614 }
1425 1615
1452 } 1642 }
1453 1643
1454 \@paths 1644 \@paths
1455} 1645}
1456 1646
1457=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1647=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458 1648
1459Expand crossfire pod fragments into protocol xml. 1649Expand deliantra pod fragments into protocol xml.
1460
1461=cut
1462
1463sub expand_cfpod {
1464 ((my $self), (local $_)) = @_;
1465
1466 # escape & and <
1467 s/&/&amp;/g;
1468 s/(?<![BIUGH])</&lt;/g;
1469
1470 # this is buggy, it needs to properly take care of nested <'s
1471
1472 1 while
1473 # replace B<>, I<>, U<> etc.
1474 s/B<([^\>]*)>/<b>$1<\/b>/
1475 || s/I<([^\>]*)>/<i>$1<\/i>/
1476 || s/U<([^\>]*)>/<u>$1<\/u>/
1477 # replace G<male|female> tags
1478 || s{G<([^>|]*)\|([^>]*)>}{
1479 $self->gender ? $2 : $1
1480 }ge
1481 # replace H<hint text>
1482 || s{H<([^\>]*)>}
1483 {
1484 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1485 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1486 "")
1487 [$self->{hintmode}]
1488 }ge;
1489
1490 # create single paragraphs (very hackish)
1491 s/(?<=\S)\n(?=\w)/ /g;
1492
1493 # compress some whitespace
1494 s/\s+\n/\n/g; # ws line-ends
1495 s/\n\n+/\n/g; # double lines
1496 s/^\n+//; # beginning lines
1497 s/\n+$//; # ending lines
1498
1499 $_
1500}
1501
1502sub hintmode {
1503 $_[0]{hintmode} = $_[1] if @_ > 1;
1504 $_[0]{hintmode}
1505}
1506 1650
1507=item $player->ext_reply ($msgid, @msg) 1651=item $player->ext_reply ($msgid, @msg)
1508 1652
1509Sends an ext reply to the player. 1653Sends an ext reply to the player.
1510 1654
1577our $MAX_RESET = 3600; 1721our $MAX_RESET = 3600;
1578our $DEFAULT_RESET = 3000; 1722our $DEFAULT_RESET = 3000;
1579 1723
1580sub generate_random_map { 1724sub generate_random_map {
1581 my ($self, $rmp) = @_; 1725 my ($self, $rmp) = @_;
1726
1727 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1728
1582 # mit "rum" bekleckern, nicht 1729 # mit "rum" bekleckern, nicht
1583 $self->_create_random_map ( 1730 $self->_create_random_map (
1584 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1731 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1732 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1733 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1708 1855
1709# the temporary/swap location 1856# the temporary/swap location
1710sub save_path { 1857sub save_path {
1711 my ($self) = @_; 1858 my ($self) = @_;
1712 1859
1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1860 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714 "$TMPDIR/$path.map" 1861 "$TMPDIR/$path.map"
1715} 1862}
1716 1863
1717# the unique path, undef == no special unique path 1864# the unique path, undef == no special unique path
1718sub uniq_path { 1865sub uniq_path {
1719 my ($self) = @_; 1866 my ($self) = @_;
1720 1867
1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1868 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722 "$UNIQUEDIR/$path" 1869 "$UNIQUEDIR/$path"
1723} 1870}
1724 1871
1725# and all this just because we cannot iterate over 1872# and all this just because we cannot iterate over
1726# all maps in C++... 1873# all maps in C++...
1749 1896
1750sub load_header_from($) { 1897sub load_header_from($) {
1751 my ($self, $path) = @_; 1898 my ($self, $path) = @_;
1752 1899
1753 utf8::encode $path; 1900 utf8::encode $path;
1754 #aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1755 # or return;
1756
1757 $self->_load_header ($path)
1758 or return; 1902 or return;
1903
1904 $self->_load_header ($f)
1905 or return;
1906
1907 local $MAP_LOADING{$self->{path}} = $self;
1908 $f->resolve_delayed_derefs;
1759 1909
1760 $self->{load_path} = $path; 1910 $self->{load_path} = $path;
1761 1911
1762 1 1912 1
1763} 1913}
1817sub find { 1967sub find {
1818 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1819 1969
1820 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1821 1971
1972 cf::lock_wait "map_data:$path";#d#remove
1822 cf::lock_wait "map_find:$path"; 1973 cf::lock_wait "map_find:$path";
1823 1974
1824 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1976 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825 my $guard = cf::lock_acquire "map_find:$path"; 1977 my $guard2 = cf::lock_acquire "map_find:$path";
1978
1826 my $map = new_from_path cf::map $path 1979 my $map = new_from_path cf::map $path
1827 or return; 1980 or return;
1828 1981
1829 $map->{last_save} = $cf::RUNTIME; 1982 $map->{last_save} = $cf::RUNTIME;
1830 1983
1832 or return; 1985 or return;
1833 1986
1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1987 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835 # doing this can freeze the server in a sync job, obviously 1988 # doing this can freeze the server in a sync job, obviously
1836 #$cf::WAIT_FOR_TICK->wait; 1989 #$cf::WAIT_FOR_TICK->wait;
1990 undef $guard2;
1991 undef $guard1;
1837 $map->reset; 1992 $map->reset;
1838 undef $guard;
1839 return find $path; 1993 return find $path;
1840 } 1994 }
1841 1995
1842 $cf::MAP{$path} = $map 1996 $cf::MAP{$path} = $map
1843 } 1997 }
1852 local $self->{deny_reset} = 1; # loading can take a long time 2006 local $self->{deny_reset} = 1; # loading can take a long time
1853 2007
1854 my $path = $self->{path}; 2008 my $path = $self->{path};
1855 2009
1856 { 2010 {
1857 my $guard1 = cf::lock_acquire "map_data:$path"; 2011 my $guard = cf::lock_acquire "map_data:$path";
1858 my $guard2 = cf::lock_acquire "map_load:$path";
1859 2012
2013 return unless $self->valid;
1860 return if $self->in_memory != cf::MAP_SWAPPED; 2014 return unless $self->in_memory == cf::MAP_SWAPPED;
1861 2015
1862 $self->in_memory (cf::MAP_LOADING); 2016 $self->in_memory (cf::MAP_LOADING);
1863 2017
1864 $self->alloc; 2018 $self->alloc;
1865 2019
1866 $self->pre_load; 2020 $self->pre_load;
1867 cf::cede_to_tick; 2021 cf::cede_to_tick;
1868 2022
2023 my $f = new_from_file cf::object::thawer $self->{load_path};
2024 $f->skip_block;
1869 $self->_load_objects ($self->{load_path}, 1) 2025 $self->_load_objects ($f)
1870 or return; 2026 or return;
1871 2027
1872 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2028 $self->post_load_original
1873 if delete $self->{load_original}; 2029 if delete $self->{load_original};
1874 2030
1875 if (my $uniq = $self->uniq_path) { 2031 if (my $uniq = $self->uniq_path) {
1876 utf8::encode $uniq; 2032 utf8::encode $uniq;
1877 if (aio_open $uniq, O_RDONLY, 0) { 2033 unless (aio_stat $uniq) {
2034 if (my $f = new_from_file cf::object::thawer $uniq) {
1878 $self->clear_unique_items; 2035 $self->clear_unique_items;
1879 $self->_load_objects ($uniq, 0); 2036 $self->_load_objects ($f);
2037 $f->resolve_delayed_derefs;
2038 }
1880 } 2039 }
1881 } 2040 }
2041
2042 $f->resolve_delayed_derefs;
1882 2043
1883 cf::cede_to_tick; 2044 cf::cede_to_tick;
1884 # now do the right thing for maps 2045 # now do the right thing for maps
1885 $self->link_multipart_objects; 2046 $self->link_multipart_objects;
1886 $self->difficulty ($self->estimate_difficulty) 2047 $self->difficulty ($self->estimate_difficulty)
1898 } 2059 }
1899 2060
1900 $self->{last_save} = $cf::RUNTIME; 2061 $self->{last_save} = $cf::RUNTIME;
1901 $self->last_access ($cf::RUNTIME); 2062 $self->last_access ($cf::RUNTIME);
1902 2063
1903 $self->in_memory (cf::MAP_IN_MEMORY); 2064 $self->in_memory (cf::MAP_ACTIVE);
1904 } 2065 }
1905 2066
1906 $self->post_load; 2067 $self->post_load;
1907} 2068}
1908 2069
1966 my ($path, $origin, $load) = @_; 2127 my ($path, $origin, $load) = @_;
1967 2128
1968 $path = normalise $path, $origin && $origin->{path}; 2129 $path = normalise $path, $origin && $origin->{path};
1969 2130
1970 if (my $map = $cf::MAP{$path}) { 2131 if (my $map = $cf::MAP{$path}) {
1971 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2132 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972 } 2133 }
1973 2134
1974 $MAP_PREFETCH{$path} |= $load; 2135 $MAP_PREFETCH{$path} |= $load;
1975 2136
1976 $MAP_PREFETCHER ||= cf::async { 2137 $MAP_PREFETCHER ||= cf::async {
2138 $Coro::current->{desc} = "map prefetcher";
2139
1977 while (%MAP_PREFETCH) { 2140 while (%MAP_PREFETCH) {
1978 while (my ($k, $v) = each %MAP_PREFETCH) { 2141 while (my ($k, $v) = each %MAP_PREFETCH) {
1979 if (my $map = find $k) { 2142 if (my $map = find $k) {
1980 $map->load if $v; 2143 $map->load if $v;
1981 } 2144 }
2007 return if $self->{deny_save}; 2170 return if $self->{deny_save};
2008 2171
2009 local $self->{last_access} = $self->last_access;#d# 2172 local $self->{last_access} = $self->last_access;#d#
2010 2173
2011 cf::async { 2174 cf::async {
2175 $Coro::current->{desc} = "map player save";
2012 $_->contr->save for $self->players; 2176 $_->contr->save for $self->players;
2013 }; 2177 };
2178
2179 cf::get_slot 0.02;
2014 2180
2015 if ($uniq) { 2181 if ($uniq) {
2016 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2182 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2183 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2018 } else { 2184 } else {
2027 $self->save; 2193 $self->save;
2028 2194
2029 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2195 my $lock = cf::lock_acquire "map_data:$self->{path}";
2030 2196
2031 return if $self->players; 2197 return if $self->players;
2032 return if $self->in_memory != cf::MAP_IN_MEMORY; 2198 return if $self->in_memory != cf::MAP_ACTIVE;
2033 return if $self->{deny_save}; 2199 return if $self->{deny_save};
2034 2200
2201 $self->in_memory (cf::MAP_SWAPPED);
2202
2203 $self->deactivate;
2204 $_->clear_links_to ($self) for values %cf::MAP;
2035 $self->clear; 2205 $self->clear;
2036 $self->in_memory (cf::MAP_SWAPPED);
2037} 2206}
2038 2207
2039sub reset_at { 2208sub reset_at {
2040 my ($self) = @_; 2209 my ($self) = @_;
2041 2210
2073 if $uniq; 2242 if $uniq;
2074 } 2243 }
2075 2244
2076 delete $cf::MAP{$self->path}; 2245 delete $cf::MAP{$self->path};
2077 2246
2247 $self->deactivate;
2248 $_->clear_links_to ($self) for values %cf::MAP;
2078 $self->clear; 2249 $self->clear;
2079
2080 $_->clear_links_to ($self) for values %cf::MAP;
2081 2250
2082 $self->unlink_save; 2251 $self->unlink_save;
2083 $self->destroy; 2252 $self->destroy;
2084} 2253}
2085 2254
2086my $nuke_counter = "aaaa"; 2255my $nuke_counter = "aaaa";
2087 2256
2088sub nuke { 2257sub nuke {
2089 my ($self) = @_; 2258 my ($self) = @_;
2090 2259
2260 {
2261 my $lock = cf::lock_acquire "map_data:$self->{path}";
2262
2091 delete $cf::MAP{$self->path}; 2263 delete $cf::MAP{$self->path};
2092 2264
2093 $self->unlink_save; 2265 $self->unlink_save;
2094 2266
2095 bless $self, "cf::map"; 2267 bless $self, "cf::map";
2096 delete $self->{deny_reset}; 2268 delete $self->{deny_reset};
2097 $self->{deny_save} = 1; 2269 $self->{deny_save} = 1;
2098 $self->reset_timeout (1); 2270 $self->reset_timeout (1);
2099 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2271 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2100 2272
2101 $cf::MAP{$self->path} = $self; 2273 $cf::MAP{$self->path} = $self;
2274 }
2102 2275
2103 $self->reset; # polite request, might not happen 2276 $self->reset; # polite request, might not happen
2104} 2277}
2105 2278
2106=item $maps = cf::map::tmp_maps 2279=item $maps = cf::map::tmp_maps
2148 2321
2149sub unique_maps() { 2322sub unique_maps() {
2150 [ 2323 [
2151 map { 2324 map {
2152 utf8::decode $_; 2325 utf8::decode $_;
2153 /\.map$/ 2326 s/\.map$//; # TODO future compatibility hack
2327 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2328 ? ()
2154 ? normalise $_ 2329 : normalise $_
2155 : ()
2156 } @{ aio_readdir $UNIQUEDIR or [] } 2330 } @{ aio_readdir $UNIQUEDIR or [] }
2157 ] 2331 ]
2158} 2332}
2159 2333
2160package cf;
2161
2162=back 2334=back
2163 2335
2164=head3 cf::object 2336=head3 cf::object
2165 2337
2166=cut 2338=cut
2169 2341
2170=over 4 2342=over 4
2171 2343
2172=item $ob->inv_recursive 2344=item $ob->inv_recursive
2173 2345
2174Returns the inventory of the object _and_ their inventories, recursively. 2346Returns the inventory of the object I<and> their inventories, recursively,
2347but I<not> the object itself.
2175 2348
2176=cut 2349=cut
2177 2350
2178sub inv_recursive_; 2351sub inv_recursive_;
2179sub inv_recursive_ { 2352sub inv_recursive_ {
2182 2355
2183sub inv_recursive { 2356sub inv_recursive {
2184 inv_recursive_ inv $_[0] 2357 inv_recursive_ inv $_[0]
2185} 2358}
2186 2359
2360=item $ref = $ob->ref
2361
2362Creates and returns a persistent reference to an object that can be stored as a string.
2363
2364=item $ob = cf::object::deref ($refstring)
2365
2366returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2367even if the object actually exists. May block.
2368
2369=cut
2370
2371sub deref {
2372 my ($ref) = @_;
2373
2374 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2375 my ($uuid, $name) = ($1, $2);
2376 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2377 or return;
2378 $pl->ob->uuid eq $uuid
2379 or return;
2380
2381 $pl->ob
2382 } else {
2383 warn "$ref: cannot resolve object reference\n";
2384 undef
2385 }
2386}
2387
2187package cf; 2388package cf;
2188 2389
2189=back 2390=back
2190 2391
2191=head3 cf::object::player 2392=head3 cf::object::player
2197Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2398Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2198can be C<undef>. Does the right thing when the player is currently in a 2399can be C<undef>. Does the right thing when the player is currently in a
2199dialogue with the given NPC character. 2400dialogue with the given NPC character.
2200 2401
2201=cut 2402=cut
2403
2404our $SAY_CHANNEL = {
2405 id => "say",
2406 title => "Map",
2407 reply => "say ",
2408 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2409};
2410
2411our $CHAT_CHANNEL = {
2412 id => "chat",
2413 title => "Chat",
2414 reply => "chat ",
2415 tooltip => "Player chat and shouts, global to the server.",
2416};
2202 2417
2203# rough implementation of a future "reply" method that works 2418# rough implementation of a future "reply" method that works
2204# with dialog boxes. 2419# with dialog boxes.
2205#TODO: the first argument must go, split into a $npc->reply_to ( method 2420#TODO: the first argument must go, split into a $npc->reply_to ( method
2206sub cf::object::player::reply($$$;$) { 2421sub cf::object::player::reply($$$;$) {
2218 my $dialog = $pl->{npc_dialog}; 2433 my $dialog = $pl->{npc_dialog};
2219 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2434 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2220 2435
2221 } else { 2436 } else {
2222 $msg = $npc->name . " says: $msg" if $npc; 2437 $msg = $npc->name . " says: $msg" if $npc;
2223 $self->message ($msg, $flags); 2438 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2224 } 2439 }
2225 } 2440 }
2226} 2441}
2227 2442
2228=item $object->send_msg ($channel, $msg, $color, [extra...]) 2443=item $object->send_msg ($channel, $msg, $color, [extra...])
2253 2468
2254=item $player_object->enter_link 2469=item $player_object->enter_link
2255 2470
2256Freezes the player and moves him/her to a special map (C<{link}>). 2471Freezes the player and moves him/her to a special map (C<{link}>).
2257 2472
2258The player should be reasonably safe there for short amounts of time. You 2473The player should be reasonably safe there for short amounts of time (e.g.
2259I<MUST> call C<leave_link> as soon as possible, though. 2474for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2475though, as the palyer cannot control the character while it is on the link
2476map.
2260 2477
2261Will never block. 2478Will never block.
2262 2479
2263=item $player_object->leave_link ($map, $x, $y) 2480=item $player_object->leave_link ($map, $x, $y)
2264 2481
2322 2539
2323 $map->load; 2540 $map->load;
2324 $map->load_neighbours; 2541 $map->load_neighbours;
2325 2542
2326 return unless $self->contr->active; 2543 return unless $self->contr->active;
2544 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2327 $self->activate_recursive; 2545 $self->activate_recursive;
2328 2546
2329 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2547 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2330 $self->enter_map ($map, $x, $y); 2548 $self->enter_map ($map, $x, $y);
2331} 2549}
2336her, loading and preparing them map, calling the provided $check callback 2554her, loading and preparing them map, calling the provided $check callback
2337that has to return the map if sucecssful, and then unfreezes the player on 2555that has to return the map if sucecssful, and then unfreezes the player on
2338the new (success) or old (failed) map position. In either case, $done will 2556the new (success) or old (failed) map position. In either case, $done will
2339be called at the end of this process. 2557be called at the end of this process.
2340 2558
2559Note that $check will be called with a potentially non-loaded map, so if
2560it needs a loaded map it has to call C<< ->load >>.
2561
2341=cut 2562=cut
2342 2563
2343our $GOTOGEN; 2564our $GOTOGEN;
2344 2565
2345sub cf::object::player::goto { 2566sub cf::object::player::goto {
2349 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2570 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2350 2571
2351 $self->enter_link; 2572 $self->enter_link;
2352 2573
2353 (async { 2574 (async {
2575 $Coro::current->{desc} = "player::goto $path $x $y";
2576
2577 # *tag paths override both path and x|y
2578 if ($path =~ /^\*(.*)$/) {
2579 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2580 my $ob = $obs[rand @obs];
2581
2582 # see if we actually can go there
2583 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2584 $ob = $obs[rand @obs];
2585 } else {
2586 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2587 }
2588 # else put us there anyways for now #d#
2589
2590 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2591 } else {
2592 ($path, $x, $y) = (undef, undef, undef);
2593 }
2594 }
2595
2354 my $map = eval { 2596 my $map = eval {
2355 my $map = cf::map::find $path; 2597 my $map = defined $path ? cf::map::find $path : undef;
2356 2598
2357 if ($map) { 2599 if ($map) {
2358 $map = $map->customise_for ($self); 2600 $map = $map->customise_for ($self);
2359 $map = $check->($map) if $check && $map; 2601 $map = $check->($map) if $check && $map;
2360 } else { 2602 } else {
2361 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2603 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2362 } 2604 }
2363 2605
2364 $map 2606 $map
2365 }; 2607 };
2366 2608
2402} 2644}
2403 2645
2404sub prepare_random_map { 2646sub prepare_random_map {
2405 my ($exit) = @_; 2647 my ($exit) = @_;
2406 2648
2407 my $guard = cf::lock_acquire "exit_prepare:$exit";
2408
2409 # all this does is basically replace the /! path by 2649 # all this does is basically replace the /! path by
2410 # a new random map path (?random/...) with a seed 2650 # a new random map path (?random/...) with a seed
2411 # that depends on the exit object 2651 # that depends on the exit object
2412 2652
2413 my $rmp = parse_random_map_params $exit->msg; 2653 my $rmp = parse_random_map_params $exit->msg;
2415 if ($exit->map) { 2655 if ($exit->map) {
2416 $rmp->{region} = $exit->region->name; 2656 $rmp->{region} = $exit->region->name;
2417 $rmp->{origin_map} = $exit->map->path; 2657 $rmp->{origin_map} = $exit->map->path;
2418 $rmp->{origin_x} = $exit->x; 2658 $rmp->{origin_x} = $exit->x;
2419 $rmp->{origin_y} = $exit->y; 2659 $rmp->{origin_y} = $exit->y;
2660
2661 $exit->map->touch;
2420 } 2662 }
2421 2663
2422 $rmp->{random_seed} ||= $exit->random_seed; 2664 $rmp->{random_seed} ||= $exit->random_seed;
2423 2665
2424 my $data = cf::to_json $rmp; 2666 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2425 my $md5 = Digest::MD5::md5_hex $data; 2667 my $md5 = Digest::MD5::md5_hex $data;
2426 my $meta = "$RANDOMDIR/$md5.meta"; 2668 my $meta = "$RANDOMDIR/$md5.meta";
2427 2669
2428 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2670 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2429 aio_write $fh, 0, (length $data), $data, 0; 2671 aio_write $fh, 0, (length $data), $data, 0;
2430 undef $fh; 2672 undef $fh;
2431 aio_rename "$meta~", $meta; 2673 aio_rename "$meta~", $meta;
2432 2674
2675 my $slaying = "?random/$md5";
2676
2677 if ($exit->valid) {
2433 $exit->slaying ("?random/$md5"); 2678 $exit->slaying ("?random/$md5");
2434 $exit->msg (undef); 2679 $exit->msg (undef);
2680 }
2435 } 2681 }
2436} 2682}
2437 2683
2438sub cf::object::player::enter_exit { 2684sub cf::object::player::enter_exit {
2439 my ($self, $exit) = @_; 2685 my ($self, $exit) = @_;
2440 2686
2441 return unless $self->type == cf::PLAYER; 2687 return unless $self->type == cf::PLAYER;
2442 2688
2443 if ($exit->slaying eq "/!") {
2444 #TODO: this should de-fi-ni-te-ly not be a sync-job
2445 # the problem is that $exit might not survive long enough
2446 # so it needs to be done right now, right here
2447 cf::sync_job { prepare_random_map $exit };
2448 }
2449
2450 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2451 my $hp = $exit->stats->hp;
2452 my $sp = $exit->stats->sp;
2453
2454 $self->enter_link; 2689 $self->enter_link;
2455 2690
2456 # if exit is damned, update players death & WoR home-position
2457 $self->contr->savebed ($slaying, $hp, $sp)
2458 if $exit->flag (FLAG_DAMNED);
2459
2460 (async { 2691 (async {
2461 $self->deactivate_recursive; # just to be sure 2692 $Coro::current->{desc} = "enter_exit";
2693
2462 unless (eval { 2694 unless (eval {
2695 $self->deactivate_recursive; # just to be sure
2696
2697 # random map handling
2698 {
2699 my $guard = cf::lock_acquire "exit_prepare:$exit";
2700
2701 prepare_random_map $exit
2702 if $exit->slaying eq "/!";
2703 }
2704
2705 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2706 my $x = $exit->stats->hp;
2707 my $y = $exit->stats->sp;
2708
2463 $self->goto ($slaying, $hp, $sp); 2709 $self->goto ($map, $x, $y);
2464 2710
2711 # if exit is damned, update players death & WoR home-position
2712 $self->contr->savebed ($map, $x, $y)
2713 if $exit->flag (cf::FLAG_DAMNED);
2714
2465 1; 2715 1
2466 }) { 2716 }) {
2467 $self->message ("Something went wrong deep within the crossfire server. " 2717 $self->message ("Something went wrong deep within the deliantra server. "
2468 . "I'll try to bring you back to the map you were before. " 2718 . "I'll try to bring you back to the map you were before. "
2469 . "Please report this to the dungeon master!", 2719 . "Please report this to the dungeon master!",
2470 cf::NDI_UNIQUE | cf::NDI_RED); 2720 cf::NDI_UNIQUE | cf::NDI_RED);
2471 2721
2472 warn "ERROR in enter_exit: $@"; 2722 warn "ERROR in enter_exit: $@";
2500the message, with C<log> being the default. If C<$color> is negative, suppress 2750the message, with C<log> being the default. If C<$color> is negative, suppress
2501the message unless the client supports the msg packet. 2751the message unless the client supports the msg packet.
2502 2752
2503=cut 2753=cut
2504 2754
2755# non-persistent channels (usually the info channel)
2756our %CHANNEL = (
2757 "c/identify" => {
2758 id => "infobox",
2759 title => "Identify",
2760 reply => undef,
2761 tooltip => "Items recently identified",
2762 },
2763 "c/examine" => {
2764 id => "infobox",
2765 title => "Examine",
2766 reply => undef,
2767 tooltip => "Signs and other items you examined",
2768 },
2769 "c/book" => {
2770 id => "infobox",
2771 title => "Book",
2772 reply => undef,
2773 tooltip => "The contents of a note or book",
2774 },
2775 "c/lookat" => {
2776 id => "infobox",
2777 title => "Look",
2778 reply => undef,
2779 tooltip => "What you saw there",
2780 },
2781 "c/who" => {
2782 id => "infobox",
2783 title => "Players",
2784 reply => undef,
2785 tooltip => "Shows players who are currently online",
2786 },
2787 "c/body" => {
2788 id => "infobox",
2789 title => "Body Parts",
2790 reply => undef,
2791 tooltip => "Shows which body parts you posess and are available",
2792 },
2793 "c/skills" => {
2794 id => "infobox",
2795 title => "Skills",
2796 reply => undef,
2797 tooltip => "Shows your experience per skill and item power",
2798 },
2799 "c/uptime" => {
2800 id => "infobox",
2801 title => "Uptime",
2802 reply => undef,
2803 tooltip => "How long the server has been running since last restart",
2804 },
2805 "c/mapinfo" => {
2806 id => "infobox",
2807 title => "Map Info",
2808 reply => undef,
2809 tooltip => "Information related to the maps",
2810 },
2811 "c/party" => {
2812 id => "party",
2813 title => "Party",
2814 reply => "gsay ",
2815 tooltip => "Messages and chat related to your party",
2816 },
2817);
2818
2505sub cf::client::send_msg { 2819sub cf::client::send_msg {
2506 my ($self, $channel, $msg, $color, @extra) = @_; 2820 my ($self, $channel, $msg, $color, @extra) = @_;
2507 2821
2508 $msg = $self->pl->expand_cfpod ($msg); 2822 $msg = $self->pl->expand_cfpod ($msg)
2823 unless $color & cf::NDI_VERBATIM;
2509 2824
2510 $color &= cf::NDI_CLIENT_MASK; # just in case... 2825 $color &= cf::NDI_CLIENT_MASK; # just in case...
2511 2826
2827 # check predefined channels, for the benefit of C
2828 if ($CHANNEL{$channel}) {
2829 $channel = $CHANNEL{$channel};
2830
2831 $self->ext_msg (channel_info => $channel)
2832 if $self->can_msg;
2833
2834 $channel = $channel->{id};
2835
2512 if (ref $channel) { 2836 } elsif (ref $channel) {
2513 # send meta info to client, if not yet sent 2837 # send meta info to client, if not yet sent
2514 unless (exists $self->{channel}{$channel->{id}}) { 2838 unless (exists $self->{channel}{$channel->{id}}) {
2515 $self->{channel}{$channel->{id}} = $channel; 2839 $self->{channel}{$channel->{id}} = $channel;
2516 $self->ext_msg (channel_info => $channel); 2840 $self->ext_msg (channel_info => $channel)
2841 if $self->can_msg;
2517 } 2842 }
2518 2843
2519 $channel = $channel->{id}; 2844 $channel = $channel->{id};
2520 } 2845 }
2521 2846
2524 if ($self->can_msg) { 2849 if ($self->can_msg) {
2525 # default colour, mask it out 2850 # default colour, mask it out
2526 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2851 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527 if $color & cf::NDI_DEF; 2852 if $color & cf::NDI_DEF;
2528 2853
2529 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2854 my $pkt = "msg "
2855 . $self->{json_coder}->encode (
2530 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2856 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2857 );
2858
2859 # try lzf for large packets
2860 $pkt = "lzf " . Compress::LZF::compress $pkt
2861 if 1024 <= length $pkt and $self->{can_lzf};
2862
2863 # split very large packets
2864 if (8192 < length $pkt and $self->{can_lzf}) {
2865 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2866 $pkt = "frag";
2867 }
2868
2869 $self->send_packet ($pkt);
2531 } else { 2870 } else {
2532 if ($color >= 0) { 2871 if ($color >= 0) {
2533 # replace some tags by gcfclient-compatible ones 2872 # replace some tags by gcfclient-compatible ones
2534 for ($msg) { 2873 for ($msg) {
2535 1 while 2874 1 while
2733=pod 3072=pod
2734 3073
2735The following functions and methods are available within a safe environment: 3074The following functions and methods are available within a safe environment:
2736 3075
2737 cf::object 3076 cf::object
2738 contr pay_amount pay_player map x y force_find force_add 3077 contr pay_amount pay_player map x y force_find force_add destroy
2739 insert remove name archname title slaying race decrease_ob_nr 3078 insert remove name archname title slaying race decrease split
2740 3079
2741 cf::object::player 3080 cf::object::player
2742 player 3081 player
2743 3082
2744 cf::player 3083 cf::player
2749 3088
2750=cut 3089=cut
2751 3090
2752for ( 3091for (
2753 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3092 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2754 insert remove inv name archname title slaying race 3093 insert remove inv nrof name archname title slaying race
2755 decrease_ob_nr)], 3094 decrease split destroy change_exp)],
2756 ["cf::object::player" => qw(player)], 3095 ["cf::object::player" => qw(player)],
2757 ["cf::player" => qw(peaceful)], 3096 ["cf::player" => qw(peaceful)],
2758 ["cf::map" => qw(trigger)], 3097 ["cf::map" => qw(trigger)],
2759) { 3098) {
2760 no strict 'refs'; 3099 no strict 'refs';
2865 { 3204 {
2866 my $faces = $facedata->{faceinfo}; 3205 my $faces = $facedata->{faceinfo};
2867 3206
2868 while (my ($face, $info) = each %$faces) { 3207 while (my ($face, $info) = each %$faces) {
2869 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3208 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3209
2870 cf::face::set_visibility $idx, $info->{visibility}; 3210 cf::face::set_visibility $idx, $info->{visibility};
2871 cf::face::set_magicmap $idx, $info->{magicmap}; 3211 cf::face::set_magicmap $idx, $info->{magicmap};
2872 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3212 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2873 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3213 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2874 3214
2875 cf::cede_to_tick; 3215 cf::cede_to_tick;
2876 } 3216 }
2877 3217
2878 while (my ($face, $info) = each %$faces) { 3218 while (my ($face, $info) = each %$faces) {
2879 next unless $info->{smooth}; 3219 next unless $info->{smooth};
3220
2880 my $idx = cf::face::find $face 3221 my $idx = cf::face::find $face
2881 or next; 3222 or next;
3223
2882 if (my $smooth = cf::face::find $info->{smooth}) { 3224 if (my $smooth = cf::face::find $info->{smooth}) {
2883 cf::face::set_smooth $idx, $smooth; 3225 cf::face::set_smooth $idx, $smooth;
2884 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3226 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2885 } else { 3227 } else {
2886 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3228 warn "smooth face '$info->{smooth}' not found for face '$face'";
2904 { 3246 {
2905 # TODO: for gcfclient pleasure, we should give resources 3247 # TODO: for gcfclient pleasure, we should give resources
2906 # that gcfclient doesn't grok a >10000 face index. 3248 # that gcfclient doesn't grok a >10000 face index.
2907 my $res = $facedata->{resource}; 3249 my $res = $facedata->{resource};
2908 3250
2909 my $soundconf = delete $res->{"res/sound.conf"};
2910
2911 while (my ($name, $info) = each %$res) { 3251 while (my ($name, $info) = each %$res) {
3252 if (defined $info->{type}) {
2912 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3253 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2913 my $data; 3254 my $data;
2914 3255
2915 if ($info->{type} & 1) { 3256 if ($info->{type} & 1) {
2916 # prepend meta info 3257 # prepend meta info
2917 3258
2918 my $meta = $enc->encode ({ 3259 my $meta = $enc->encode ({
2919 name => $name, 3260 name => $name,
2920 %{ $info->{meta} || {} }, 3261 %{ $info->{meta} || {} },
2921 }); 3262 });
2922 3263
2923 $data = pack "(w/a*)*", $meta, $info->{data}; 3264 $data = pack "(w/a*)*", $meta, $info->{data};
3265 } else {
3266 $data = $info->{data};
3267 }
3268
3269 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3270 cf::face::set_type $idx, $info->{type};
2924 } else { 3271 } else {
2925 $data = $info->{data}; 3272 $RESOURCE{$name} = $info;
2926 } 3273 }
2927 3274
2928 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2929 cf::face::set_type $idx, $info->{type};
2930
2931 cf::cede_to_tick; 3275 cf::cede_to_tick;
2932 } 3276 }
2933
2934 if ($soundconf) {
2935 $soundconf = $enc->decode (delete $soundconf->{data});
2936
2937 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2938 my $sound = $soundconf->{compat}[$_]
2939 or next;
2940
2941 my $face = cf::face::find "sound/$sound->[1]";
2942 cf::sound::set $sound->[0] => $face;
2943 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2944 }
2945
2946 while (my ($k, $v) = each %{$soundconf->{event}}) {
2947 my $face = cf::face::find "sound/$v";
2948 cf::sound::set $k => $face;
2949 }
2950 }
2951 } 3277 }
3278
3279 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2952 3280
2953 1 3281 1
2954} 3282}
3283
3284cf::global->attach (on_resource_update => sub {
3285 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3286 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3287
3288 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3289 my $sound = $soundconf->{compat}[$_]
3290 or next;
3291
3292 my $face = cf::face::find "sound/$sound->[1]";
3293 cf::sound::set $sound->[0] => $face;
3294 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3295 }
3296
3297 while (my ($k, $v) = each %{$soundconf->{event}}) {
3298 my $face = cf::face::find "sound/$v";
3299 cf::sound::set $k => $face;
3300 }
3301 }
3302});
2955 3303
2956register_exticmd fx_want => sub { 3304register_exticmd fx_want => sub {
2957 my ($ns, $want) = @_; 3305 my ($ns, $want) = @_;
2958 3306
2959 while (my ($k, $v) = each %$want) { 3307 while (my ($k, $v) = each %$want) {
2960 $ns->fx_want ($k, $v); 3308 $ns->fx_want ($k, $v);
2961 } 3309 }
2962}; 3310};
3311
3312sub load_resource_file($) {
3313 my $guard = lock_acquire "load_resource_file";
3314
3315 my $status = load_resource_file_ $_[0];
3316 get_slot 0.1, 100;
3317 cf::arch::commit_load;
3318
3319 $status
3320}
2963 3321
2964sub reload_regions { 3322sub reload_regions {
2965 # HACK to clear player env face cache, we need some signal framework 3323 # HACK to clear player env face cache, we need some signal framework
2966 # for this (global event?) 3324 # for this (global event?)
2967 %ext::player_env::MUSIC_FACE_CACHE = (); 3325 %ext::player_env::MUSIC_FACE_CACHE = ();
2981} 3339}
2982 3340
2983sub reload_archetypes { 3341sub reload_archetypes {
2984 load_resource_file "$DATADIR/archetypes" 3342 load_resource_file "$DATADIR/archetypes"
2985 or die "unable to load archetypes\n"; 3343 or die "unable to load archetypes\n";
2986 #d# NEED to laod twice to resolve forward references
2987 # this really needs to be done in an extra post-pass
2988 # (which needs to be synchronous, so solve it differently)
2989 load_resource_file "$DATADIR/archetypes"
2990 or die "unable to load archetypes\n";
2991} 3344}
2992 3345
2993sub reload_treasures { 3346sub reload_treasures {
2994 load_resource_file "$DATADIR/treasures" 3347 load_resource_file "$DATADIR/treasures"
2995 or die "unable to load treasurelists\n"; 3348 or die "unable to load treasurelists\n";
2996} 3349}
2997 3350
2998sub reload_resources { 3351sub reload_resources {
2999 warn "reloading resource files...\n"; 3352 warn "reloading resource files...\n";
3000 3353
3354 reload_facedata;
3355 reload_archetypes;
3001 reload_regions; 3356 reload_regions;
3002 reload_facedata;
3003 #reload_archetypes;#d#
3004 reload_archetypes;
3005 reload_treasures; 3357 reload_treasures;
3006 3358
3007 warn "finished reloading resource files\n"; 3359 warn "finished reloading resource files\n";
3008}
3009
3010sub init {
3011 reload_resources;
3012} 3360}
3013 3361
3014sub reload_config { 3362sub reload_config {
3015 open my $fh, "<:utf8", "$CONFDIR/config" 3363 open my $fh, "<:utf8", "$CONFDIR/config"
3016 or return; 3364 or return;
3017 3365
3018 local $/; 3366 local $/;
3019 *CFG = YAML::Syck::Load <$fh>; 3367 *CFG = YAML::Load <$fh>;
3020 3368
3021 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3369 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3022 3370
3023 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3371 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3024 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3372 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3030 }; 3378 };
3031 warn $@ if $@; 3379 warn $@ if $@;
3032 } 3380 }
3033} 3381}
3034 3382
3383sub pidfile() {
3384 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3385 or die "$PIDFILE: $!";
3386 flock $fh, &Fcntl::LOCK_EX
3387 or die "$PIDFILE: flock: $!";
3388 $fh
3389}
3390
3391# make sure only one server instance is running at any one time
3392sub atomic {
3393 my $fh = pidfile;
3394
3395 my $pid = <$fh>;
3396 kill 9, $pid if $pid > 0;
3397
3398 seek $fh, 0, 0;
3399 print $fh $$;
3400}
3401
3035sub main { 3402sub main {
3403 cf::init_globals; # initialise logging
3404
3405 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3406 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3407 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3408 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3409
3410 cf::init_experience;
3411 cf::init_anim;
3412 cf::init_attackmess;
3413 cf::init_dynamic;
3414 cf::init_block;
3415
3416 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3417
3036 # we must not ever block the main coroutine 3418 # we must not ever block the main coroutine
3037 local $Coro::idle = sub { 3419 local $Coro::idle = sub {
3038 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3420 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3039 (async { 3421 (async {
3040 Event::one_event; 3422 $Coro::current->{desc} = "IDLE BUG HANDLER";
3423 EV::loop EV::LOOP_ONESHOT;
3041 })->prio (Coro::PRIO_MAX); 3424 })->prio (Coro::PRIO_MAX);
3042 }; 3425 };
3043 3426
3427 evthread_start IO::AIO::poll_fileno;
3428
3429 cf::sync_job {
3430 reload_resources;
3044 reload_config; 3431 reload_config;
3045 db_init; 3432 db_init;
3433
3434 cf::load_settings;
3435 cf::load_materials;
3436 cf::init_uuid;
3437 cf::init_signals;
3438 cf::init_commands;
3439 cf::init_skills;
3440
3441 cf::init_beforeplay;
3442
3443 atomic;
3444
3046 load_extensions; 3445 load_extensions;
3047 3446
3048 $TICK_WATCHER->start; 3447 utime time, time, $RUNTIMEFILE;
3448
3449 # no (long-running) fork's whatsoever before this point(!)
3450 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3451
3452 (pop @POST_INIT)->(0) while @POST_INIT;
3453 };
3454
3049 Event::loop; 3455 EV::loop;
3050} 3456}
3051 3457
3052############################################################################# 3458#############################################################################
3053# initialisation and cleanup 3459# initialisation and cleanup
3054 3460
3055# install some emergency cleanup handlers 3461# install some emergency cleanup handlers
3056BEGIN { 3462BEGIN {
3463 our %SIGWATCHER = ();
3057 for my $signal (qw(INT HUP TERM)) { 3464 for my $signal (qw(INT HUP TERM)) {
3058 Event->signal ( 3465 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3059 reentrant => 0,
3060 data => WF_AUTOCANCEL,
3061 signal => $signal,
3062 prio => 0,
3063 cb => sub {
3064 cf::cleanup "SIG$signal"; 3466 cf::cleanup "SIG$signal";
3065 },
3066 ); 3467 };
3067 } 3468 }
3068} 3469}
3069 3470
3070sub write_runtime { 3471sub write_runtime_sync {
3071 my $runtime = "$LOCALDIR/runtime";
3072
3073 # first touch the runtime file to show we are still running: 3472 # first touch the runtime file to show we are still running:
3074 # the fsync below can take a very very long time. 3473 # the fsync below can take a very very long time.
3075 3474
3076 IO::AIO::aio_utime $runtime, undef, undef; 3475 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3077 3476
3078 my $guard = cf::lock_acquire "write_runtime"; 3477 my $guard = cf::lock_acquire "write_runtime";
3079 3478
3080 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3479 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3081 or return; 3480 or return;
3082 3481
3083 my $value = $cf::RUNTIME + 90 + 10; 3482 my $value = $cf::RUNTIME + 90 + 10;
3084 # 10 is the runtime save interval, for a monotonic clock 3483 # 10 is the runtime save interval, for a monotonic clock
3085 # 60 allows for the watchdog to kill the server. 3484 # 60 allows for the watchdog to kill the server.
3095 aio_utime $fh, undef, undef; 3494 aio_utime $fh, undef, undef;
3096 3495
3097 close $fh 3496 close $fh
3098 or return; 3497 or return;
3099 3498
3100 aio_rename "$runtime~", $runtime 3499 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3101 and return; 3500 and return;
3102 3501
3103 warn "runtime file written.\n"; 3502 warn "runtime file written.\n";
3104 3503
3105 1 3504 1
3505}
3506
3507our $uuid_lock;
3508our $uuid_skip;
3509
3510sub write_uuid_sync($) {
3511 $uuid_skip ||= $_[0];
3512
3513 return if $uuid_lock;
3514 local $uuid_lock = 1;
3515
3516 my $uuid = "$LOCALDIR/uuid";
3517
3518 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3519 or return;
3520
3521 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3522 $uuid_skip = 0;
3523
3524 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3525 and return;
3526
3527 # always fsync - this file is important
3528 aio_fsync $fh
3529 and return;
3530
3531 close $fh
3532 or return;
3533
3534 aio_rename "$uuid~", $uuid
3535 and return;
3536
3537 warn "uuid file written ($value).\n";
3538
3539 1
3540
3541}
3542
3543sub write_uuid($$) {
3544 my ($skip, $sync) = @_;
3545
3546 $sync ? write_uuid_sync $skip
3547 : async { write_uuid_sync $skip };
3106} 3548}
3107 3549
3108sub emergency_save() { 3550sub emergency_save() {
3109 my $freeze_guard = cf::freeze_mainloop; 3551 my $freeze_guard = cf::freeze_mainloop;
3110 3552
3116 # and maps saved/destroyed asynchronously. 3558 # and maps saved/destroyed asynchronously.
3117 warn "begin emergency player save\n"; 3559 warn "begin emergency player save\n";
3118 for my $login (keys %cf::PLAYER) { 3560 for my $login (keys %cf::PLAYER) {
3119 my $pl = $cf::PLAYER{$login} or next; 3561 my $pl = $cf::PLAYER{$login} or next;
3120 $pl->valid or next; 3562 $pl->valid or next;
3563 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3121 $pl->save; 3564 $pl->save;
3122 } 3565 }
3123 warn "end emergency player save\n"; 3566 warn "end emergency player save\n";
3124 3567
3125 warn "begin emergency map save\n"; 3568 warn "begin emergency map save\n";
3131 warn "end emergency map save\n"; 3574 warn "end emergency map save\n";
3132 3575
3133 warn "begin emergency database checkpoint\n"; 3576 warn "begin emergency database checkpoint\n";
3134 BDB::db_env_txn_checkpoint $DB_ENV; 3577 BDB::db_env_txn_checkpoint $DB_ENV;
3135 warn "end emergency database checkpoint\n"; 3578 warn "end emergency database checkpoint\n";
3579
3580 warn "begin write uuid\n";
3581 write_uuid_sync 1;
3582 warn "end write uuid\n";
3136 }; 3583 };
3137 3584
3138 warn "leave emergency perl save\n"; 3585 warn "leave emergency perl save\n";
3139} 3586}
3140 3587
3141sub post_cleanup { 3588sub post_cleanup {
3142 my ($make_core) = @_; 3589 my ($make_core) = @_;
3143 3590
3144 warn Carp::longmess "post_cleanup backtrace" 3591 warn Carp::longmess "post_cleanup backtrace"
3145 if $make_core; 3592 if $make_core;
3593
3594 my $fh = pidfile;
3595 unlink $PIDFILE if <$fh> == $$;
3596}
3597
3598# a safer delete_package, copied from Symbol
3599sub clear_package($) {
3600 my $pkg = shift;
3601
3602 # expand to full symbol table name if needed
3603 unless ($pkg =~ /^main::.*::$/) {
3604 $pkg = "main$pkg" if $pkg =~ /^::/;
3605 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3606 $pkg .= '::' unless $pkg =~ /::$/;
3607 }
3608
3609 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3610 my $stem_symtab = *{$stem}{HASH};
3611
3612 defined $stem_symtab and exists $stem_symtab->{$leaf}
3613 or return;
3614
3615 # clear all symbols
3616 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3617 for my $name (keys %$leaf_symtab) {
3618 _gv_clear *{"$pkg$name"};
3619# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3620 }
3621 warn "cleared package $pkg\n";#d#
3146} 3622}
3147 3623
3148sub do_reload_perl() { 3624sub do_reload_perl() {
3149 # can/must only be called in main 3625 # can/must only be called in main
3150 if ($Coro::current != $Coro::main) { 3626 if ($Coro::current != $Coro::main) {
3151 warn "can only reload from main coroutine"; 3627 warn "can only reload from main coroutine";
3152 return; 3628 return;
3153 } 3629 }
3154 3630
3631 return if $RELOAD++;
3632
3633 while ($RELOAD) {
3155 warn "reloading..."; 3634 warn "reloading...";
3156 3635
3157 warn "entering sync_job"; 3636 warn "entering sync_job";
3158 3637
3159 cf::sync_job { 3638 cf::sync_job {
3160 cf::write_runtime; # external watchdog should not bark 3639 cf::write_runtime_sync; # external watchdog should not bark
3161 cf::emergency_save; 3640 cf::emergency_save;
3162 cf::write_runtime; # external watchdog should not bark 3641 cf::write_runtime_sync; # external watchdog should not bark
3163 3642
3164 warn "syncing database to disk"; 3643 warn "syncing database to disk";
3165 BDB::db_env_txn_checkpoint $DB_ENV; 3644 BDB::db_env_txn_checkpoint $DB_ENV;
3166 3645
3167 # if anything goes wrong in here, we should simply crash as we already saved 3646 # if anything goes wrong in here, we should simply crash as we already saved
3168 3647
3169 warn "cancelling all WF_AUTOCANCEL watchers";
3170 for (Event::all_watchers) {
3171 $_->cancel if $_->data & WF_AUTOCANCEL;
3172 }
3173
3174 warn "flushing outstanding aio requests"; 3648 warn "flushing outstanding aio requests";
3175 for (;;) {
3176 BDB::flush;
3177 IO::AIO::flush;
3178 Coro::cede;
3179 last unless IO::AIO::nreqs || BDB::nreqs; 3649 while (IO::AIO::nreqs || BDB::nreqs) {
3180 warn "iterate..."; 3650 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3181 }
3182
3183 ++$RELOAD;
3184
3185 warn "cancelling all extension coros";
3186 $_->cancel for values %EXT_CORO;
3187 %EXT_CORO = ();
3188
3189 warn "removing commands";
3190 %COMMAND = ();
3191
3192 warn "removing ext/exti commands";
3193 %EXTCMD = ();
3194 %EXTICMD = ();
3195
3196 warn "unloading/nuking all extensions";
3197 for my $pkg (@EXTS) {
3198 warn "... unloading $pkg";
3199
3200 if (my $cb = $pkg->can ("unload")) {
3201 eval {
3202 $cb->($pkg);
3203 1
3204 } or warn "$pkg unloaded, but with errors: $@";
3205 } 3651 }
3206 3652
3207 warn "... nuking $pkg"; 3653 warn "cancelling all extension coros";
3208 Symbol::delete_package $pkg; 3654 $_->cancel for values %EXT_CORO;
3209 } 3655 %EXT_CORO = ();
3210 3656
3211 warn "unloading all perl modules loaded from $LIBDIR"; 3657 warn "removing commands";
3212 while (my ($k, $v) = each %INC) { 3658 %COMMAND = ();
3213 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3214 3659
3660 warn "removing ext/exti commands";
3661 %EXTCMD = ();
3662 %EXTICMD = ();
3663
3664 warn "unloading/nuking all extensions";
3665 for my $pkg (@EXTS) {
3215 warn "... unloading $k"; 3666 warn "... unloading $pkg";
3216 delete $INC{$k};
3217 3667
3218 $k =~ s/\.pm$//;
3219 $k =~ s/\//::/g;
3220
3221 if (my $cb = $k->can ("unload_module")) { 3668 if (my $cb = $pkg->can ("unload")) {
3669 eval {
3222 $cb->(); 3670 $cb->($pkg);
3671 1
3672 } or warn "$pkg unloaded, but with errors: $@";
3673 }
3674
3675 warn "... clearing $pkg";
3676 clear_package $pkg;
3223 } 3677 }
3224 3678
3225 Symbol::delete_package $k; 3679 warn "unloading all perl modules loaded from $LIBDIR";
3680 while (my ($k, $v) = each %INC) {
3681 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3682
3683 warn "... unloading $k";
3684 delete $INC{$k};
3685
3686 $k =~ s/\.pm$//;
3687 $k =~ s/\//::/g;
3688
3689 if (my $cb = $k->can ("unload_module")) {
3690 $cb->();
3691 }
3692
3693 clear_package $k;
3226 } 3694 }
3227 3695
3228 warn "getting rid of safe::, as good as possible"; 3696 warn "getting rid of safe::, as good as possible";
3229 Symbol::delete_package "safe::$_" 3697 clear_package "safe::$_"
3230 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3698 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3231 3699
3232 warn "unloading cf.pm \"a bit\""; 3700 warn "unloading cf.pm \"a bit\"";
3233 delete $INC{"cf.pm"}; 3701 delete $INC{"cf.pm"};
3234 delete $INC{"cf/pod.pm"}; 3702 delete $INC{"cf/pod.pm"};
3235 3703
3236 # don't, removes xs symbols, too, 3704 # don't, removes xs symbols, too,
3237 # and global variables created in xs 3705 # and global variables created in xs
3238 #Symbol::delete_package __PACKAGE__; 3706 #clear_package __PACKAGE__;
3239 3707
3240 warn "unload completed, starting to reload now"; 3708 warn "unload completed, starting to reload now";
3241 3709
3242 warn "reloading cf.pm"; 3710 warn "reloading cf.pm";
3243 require cf; 3711 require cf;
3244 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3712 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3245 3713
3246 warn "loading config and database again"; 3714 warn "loading config and database again";
3247 cf::reload_config; 3715 cf::reload_config;
3248 3716
3249 warn "loading extensions"; 3717 warn "loading extensions";
3250 cf::load_extensions; 3718 cf::load_extensions;
3251 3719
3252 warn "reattaching attachments to objects/players"; 3720 warn "reattaching attachments to objects/players";
3253 _global_reattach; # objects, sockets 3721 _global_reattach; # objects, sockets
3254 warn "reattaching attachments to maps"; 3722 warn "reattaching attachments to maps";
3255 reattach $_ for values %MAP; 3723 reattach $_ for values %MAP;
3256 warn "reattaching attachments to players"; 3724 warn "reattaching attachments to players";
3257 reattach $_ for values %PLAYER; 3725 reattach $_ for values %PLAYER;
3258 3726
3727 warn "running post_load";
3728 (pop @POST_INIT)->(1) while @POST_INIT;
3729
3259 warn "leaving sync_job"; 3730 warn "leaving sync_job";
3260 3731
3261 1 3732 1
3262 } or do { 3733 } or do {
3263 warn $@; 3734 warn $@;
3264 warn "error while reloading, exiting."; 3735 cf::cleanup "error while reloading, exiting.";
3265 exit 1;
3266 }; 3736 };
3267 3737
3268 warn "reloaded"; 3738 warn "reloaded";
3739 --$RELOAD;
3740 }
3269}; 3741};
3270 3742
3271our $RELOAD_WATCHER; # used only during reload 3743our $RELOAD_WATCHER; # used only during reload
3272 3744
3273sub reload_perl() { 3745sub reload_perl() {
3274 # doing reload synchronously and two reloads happen back-to-back, 3746 # doing reload synchronously and two reloads happen back-to-back,
3275 # coro crashes during coro_state_free->destroy here. 3747 # coro crashes during coro_state_free->destroy here.
3276 3748
3277 $RELOAD_WATCHER ||= Event->timer ( 3749 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3278 reentrant => 0,
3279 after => 0,
3280 data => WF_AUTOCANCEL,
3281 cb => sub {
3282 do_reload_perl; 3750 do_reload_perl;
3283 undef $RELOAD_WATCHER; 3751 undef $RELOAD_WATCHER;
3284 },
3285 ); 3752 };
3286} 3753}
3287 3754
3288register_command "reload" => sub { 3755register_command "reload" => sub {
3289 my ($who, $arg) = @_; 3756 my ($who, $arg) = @_;
3290 3757
3291 if ($who->flag (FLAG_WIZ)) { 3758 if ($who->flag (FLAG_WIZ)) {
3292 $who->message ("reloading server."); 3759 $who->message ("reloading server.");
3760 async {
3761 $Coro::current->{desc} = "perl_reload";
3293 async { reload_perl }; 3762 reload_perl;
3763 };
3294 } 3764 }
3295}; 3765};
3296 3766
3297unshift @INC, $LIBDIR; 3767unshift @INC, $LIBDIR;
3298 3768
3300 3770
3301our @WAIT_FOR_TICK; 3771our @WAIT_FOR_TICK;
3302our @WAIT_FOR_TICK_BEGIN; 3772our @WAIT_FOR_TICK_BEGIN;
3303 3773
3304sub wait_for_tick { 3774sub wait_for_tick {
3305 return unless $TICK_WATCHER->is_active;
3306 return if $Coro::current == $Coro::main; 3775 return if tick_inhibit || $Coro::current == $Coro::main;
3307 3776
3308 my $signal = new Coro::Signal; 3777 my $signal = new Coro::Signal;
3309 push @WAIT_FOR_TICK, $signal; 3778 push @WAIT_FOR_TICK, $signal;
3310 $signal->wait; 3779 $signal->wait;
3311} 3780}
3312 3781
3313sub wait_for_tick_begin { 3782sub wait_for_tick_begin {
3314 return unless $TICK_WATCHER->is_active;
3315 return if $Coro::current == $Coro::main; 3783 return if tick_inhibit || $Coro::current == $Coro::main;
3316 3784
3317 my $signal = new Coro::Signal; 3785 my $signal = new Coro::Signal;
3318 push @WAIT_FOR_TICK_BEGIN, $signal; 3786 push @WAIT_FOR_TICK_BEGIN, $signal;
3319 $signal->wait; 3787 $signal->wait;
3320} 3788}
3321 3789
3322 my $min = 1e6;#d# 3790sub tick {
3323 my $avg = 10;
3324$TICK_WATCHER = Event->timer (
3325 reentrant => 0,
3326 parked => 1,
3327 prio => 0,
3328 at => $NEXT_TICK || $TICK,
3329 data => WF_AUTOCANCEL,
3330 cb => sub {
3331 if ($Coro::current != $Coro::main) { 3791 if ($Coro::current != $Coro::main) {
3332 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3792 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3333 unless ++$bug_warning > 10; 3793 unless ++$bug_warning > 10;
3334 return; 3794 return;
3335 } 3795 }
3336 3796
3337 $NOW = $tick_start = Event::time;
3338
3339 cf::server_tick; # one server iteration 3797 cf::server_tick; # one server iteration
3340 3798
3341 0 && sync_job {#d# 3799 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3342 for(1..10) { 3800 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3343 my $t = Event::time; 3801 Coro::async_pool {
3344 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3802 $Coro::current->{desc} = "runtime saver";
3345 or die; 3803 write_runtime_sync
3346 3804 or warn "ERROR: unable to write runtime file: $!";
3347 $map->width (50);
3348 $map->height (50);
3349 $map->alloc;
3350 $map->_load_objects ("/tmp/x.map", 1);
3351 my $t = Event::time - $t;
3352
3353 #next unless $t < 0.0013;#d#
3354 if ($t < $min) {
3355 $min = $t;
3356 }
3357 $avg = $avg * 0.99 + $t * 0.01;
3358 }
3359 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3360 exit 0;
3361 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3362 }; 3805 };
3806 }
3363 3807
3364 $RUNTIME += $TICK;
3365 $NEXT_TICK += $TICK;
3366
3367 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3368 $NEXT_RUNTIME_WRITE = $NOW + 10;
3369 Coro::async_pool {
3370 write_runtime
3371 or warn "ERROR: unable to write runtime file: $!";
3372 };
3373 }
3374
3375# my $AFTER = Event::time;
3376# warn $AFTER - $NOW;#d#
3377
3378 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3808 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3379 $sig->send; 3809 $sig->send;
3380 } 3810 }
3381 while (my $sig = shift @WAIT_FOR_TICK) { 3811 while (my $sig = shift @WAIT_FOR_TICK) {
3382 $sig->send; 3812 $sig->send;
3383 } 3813 }
3384 3814
3385 $NOW = Event::time; 3815 $LOAD = ($NOW - $TICK_START) / $TICK;
3386
3387 # if we are delayed by four ticks or more, skip them all
3388 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3389
3390 $TICK_WATCHER->at ($NEXT_TICK);
3391 $TICK_WATCHER->start;
3392
3393 $LOAD = ($NOW - $tick_start) / $TICK;
3394 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3816 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3395 3817
3396 _post_tick; 3818 if (0) {
3397 3819 if ($NEXT_TICK) {
3398 3820 my $jitter = $TICK_START - $NEXT_TICK;
3821 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3822 warn "jitter $JITTER\n";#d#
3823 }
3399 }, 3824 }
3400); 3825}
3401 3826
3402{ 3827{
3403 BDB::max_poll_time $TICK * 0.1; 3828 # configure BDB
3404 $BDB_POLL_WATCHER = Event->io ( 3829
3405 reentrant => 0,
3406 fd => BDB::poll_fileno,
3407 poll => 'r',
3408 prio => 0,
3409 data => WF_AUTOCANCEL,
3410 cb => \&BDB::poll_cb,
3411 );
3412 BDB::min_parallel 8; 3830 BDB::min_parallel 8;
3413 3831 BDB::max_poll_reqs $TICK * 0.1;
3414 BDB::set_sync_prepare { 3832 $AnyEvent::BDB::WATCHER->priority (1);
3415 my $status;
3416 my $current = $Coro::current;
3417 (
3418 sub {
3419 $status = $!;
3420 $current->ready; undef $current;
3421 },
3422 sub {
3423 Coro::schedule while defined $current;
3424 $! = $status;
3425 },
3426 )
3427 };
3428 3833
3429 unless ($DB_ENV) { 3834 unless ($DB_ENV) {
3430 $DB_ENV = BDB::db_env_create; 3835 $DB_ENV = BDB::db_env_create;
3836 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3837 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3838 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3839 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3840 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3431 3841
3432 cf::sync_job { 3842 cf::sync_job {
3433 eval { 3843 eval {
3434 BDB::db_env_open 3844 BDB::db_env_open
3435 $DB_ENV, 3845 $DB_ENV,
3437 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3847 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3438 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3848 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3439 0666; 3849 0666;
3440 3850
3441 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3851 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3442
3443 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3444 $DB_ENV->set_lk_detect;
3445 }; 3852 };
3446 3853
3447 cf::cleanup "db_env_open(db): $@" if $@; 3854 cf::cleanup "db_env_open(db): $@" if $@;
3448 }; 3855 };
3449 } 3856 }
3857
3858 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3859 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3860 };
3861 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3862 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3863 };
3864 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3865 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3866 };
3450} 3867}
3451 3868
3452{ 3869{
3870 # configure IO::AIO
3871
3453 IO::AIO::min_parallel 8; 3872 IO::AIO::min_parallel 8;
3454
3455 undef $Coro::AIO::WATCHER;
3456 IO::AIO::max_poll_time $TICK * 0.1; 3873 IO::AIO::max_poll_time $TICK * 0.1;
3457 $AIO_POLL_WATCHER = Event->io ( 3874 undef $AnyEvent::AIO::WATCHER;
3458 reentrant => 0,
3459 data => WF_AUTOCANCEL,
3460 fd => IO::AIO::poll_fileno,
3461 poll => 'r',
3462 prio => 6,
3463 cb => \&IO::AIO::poll_cb,
3464 );
3465} 3875}
3466 3876
3467my $_log_backtrace; 3877my $_log_backtrace;
3468 3878
3469sub _log_backtrace { 3879sub _log_backtrace {
3472 $msg =~ s/\n//; 3882 $msg =~ s/\n//;
3473 3883
3474 # limit the # of concurrent backtraces 3884 # limit the # of concurrent backtraces
3475 if ($_log_backtrace < 2) { 3885 if ($_log_backtrace < 2) {
3476 ++$_log_backtrace; 3886 ++$_log_backtrace;
3887 my $perl_bt = Carp::longmess $msg;
3477 async { 3888 async {
3889 $Coro::current->{desc} = "abt $msg";
3890
3478 my @bt = fork_call { 3891 my @bt = fork_call {
3479 @addr = map { sprintf "%x", $_ } @addr; 3892 @addr = map { sprintf "%x", $_ } @addr;
3480 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3893 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3481 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3894 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3482 or die "addr2line: $!"; 3895 or die "addr2line: $!";
3490 } 3903 }
3491 3904
3492 @funcs 3905 @funcs
3493 }; 3906 };
3494 3907
3495 LOG llevInfo, "[ABT] $msg\n"; 3908 LOG llevInfo, "[ABT] $perl_bt\n";
3909 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3496 LOG llevInfo, "[ABT] $_\n" for @bt; 3910 LOG llevInfo, "[ABT] $_\n" for @bt;
3497 --$_log_backtrace; 3911 --$_log_backtrace;
3498 }; 3912 };
3499 } else { 3913 } else {
3500 LOG llevInfo, "[ABT] $msg\n"; 3914 LOG llevInfo, "[ABT] $msg\n";

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