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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.349 by root, Fri Aug 31 04:10:43 2007 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 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 $TICK_START; # for load detecting purposes
102 132
103binmode STDOUT; 133binmode STDOUT;
104binmode STDERR; 134binmode STDERR;
105 135
106# read virtual server time, if available 136# read virtual server time, if available
107unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
108 open my $fh, "<", "$LOCALDIR/runtime" 138 open my $fh, "<", $RUNTIMEFILE
109 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
110 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
111} 141}
112 142
113mkdir $_ 143mkdir $_
114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
159 189
160The raw value load value from the last tick. 190The raw value load value from the last tick.
161 191
162=item %cf::CFG 192=item %cf::CFG
163 193
164Configuration for the server, loaded from C</etc/crossfire/config>, or 194Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165from wherever your confdir points to. 195from wherever your confdir points to.
166 196
167=item cf::wait_for_tick, cf::wait_for_tick_begin 197=item cf::wait_for_tick, cf::wait_for_tick_begin
168 198
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 199These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
187 $msg .= "\n" 217 $msg .= "\n"
188 unless $msg =~ /\n$/; 218 unless $msg =~ /\n$/;
189 219
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 220 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 221
192 utf8::encode $msg;
193 LOG llevError, $msg; 222 LOG llevError, $msg;
194 }; 223 };
195} 224}
225
226$Coro::State::DIEHOOK = sub {
227 return unless $^S eq 0; # "eq", not "=="
228
229 if ($Coro::current == $Coro::main) {#d#
230 warn "DIEHOOK called in main context, Coro bug?\n";#d#
231 return;#d#
232 }#d#
233
234 # kill coroutine otherwise
235 warn Carp::longmess $_[0];
236 Coro::terminate
237};
238
239$SIG{__DIE__} = sub { }; #d#?
196 240
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 241@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 242@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 243@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 244@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
207for my $pkg (qw( 251for my $pkg (qw(
208 cf::global cf::attachable 252 cf::global cf::attachable
209 cf::object cf::object::player 253 cf::object cf::object::player
210 cf::client cf::player 254 cf::client cf::player
211 cf::arch cf::living 255 cf::arch cf::living
256 cf::map cf::mapspace
212 cf::map cf::party cf::region 257 cf::party cf::region
213)) { 258)) {
214 no strict 'refs';
215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 259 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216} 260}
217 261
218$Event::DIED = sub { 262$EV::DIED = sub {
219 warn "error in event callback: @_"; 263 warn "error in event callback: @_";
220}; 264};
221 265
222############################################################################# 266#############################################################################
223 267
246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 290 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247 $d 291 $d
248 } || "[unable to dump $_[0]: '$@']"; 292 } || "[unable to dump $_[0]: '$@']";
249} 293}
250 294
251=item $ref = cf::from_json $json 295=item $ref = cf::decode_json $json
252 296
253Converts a JSON string into the corresponding perl data structure. 297Converts a JSON string into the corresponding perl data structure.
254 298
255=item $json = cf::to_json $ref 299=item $json = cf::encode_json $ref
256 300
257Converts a perl data structure into its JSON representation. 301Converts a perl data structure into its JSON representation.
258 302
259=cut 303=cut
260 304
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 305our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262 306
263sub to_json ($) { $json_coder->encode ($_[0]) } 307sub encode_json($) { $json_coder->encode ($_[0]) }
264sub from_json ($) { $json_coder->decode ($_[0]) } 308sub decode_json($) { $json_coder->decode ($_[0]) }
265 309
266=item cf::lock_wait $string 310=item cf::lock_wait $string
267 311
268Wait until the given lock is available. See cf::lock_acquire. 312Wait until the given lock is available. See cf::lock_acquire.
269 313
285Return true if the lock is currently active, i.e. somebody has locked it. 329Return true if the lock is currently active, i.e. somebody has locked it.
286 330
287=cut 331=cut
288 332
289our %LOCK; 333our %LOCK;
334our %LOCKER;#d#
290 335
291sub lock_wait($) { 336sub lock_wait($) {
292 my ($key) = @_; 337 my ($key) = @_;
293 338
339 if ($LOCKER{$key} == $Coro::current) {#d#
340 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341 return;#d#
342 }#d#
343
294 # wait for lock, if any 344 # wait for lock, if any
295 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
346 #local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
296 push @{ $LOCK{$key} }, $Coro::current; 347 push @{ $LOCK{$key} }, $Coro::current;
297 Coro::schedule; 348 Coro::schedule;
298 } 349 }
299} 350}
300 351
303 354
304 # wait, to be sure we are not locked 355 # wait, to be sure we are not locked
305 lock_wait $key; 356 lock_wait $key;
306 357
307 $LOCK{$key} = []; 358 $LOCK{$key} = [];
359 $LOCKER{$key} = $Coro::current;#d#
308 360
309 Coro::guard { 361 Coro::guard {
362 delete $LOCKER{$key};#d#
310 # wake up all waiters, to be on the safe side 363 # wake up all waiters, to be on the safe side
311 $_->ready for @{ delete $LOCK{$key} }; 364 $_->ready for @{ delete $LOCK{$key} };
312 } 365 }
313} 366}
314 367
317 370
318 ! ! $LOCK{$key} 371 ! ! $LOCK{$key}
319} 372}
320 373
321sub freeze_mainloop { 374sub freeze_mainloop {
322 return unless $TICK_WATCHER->is_active; 375 tick_inhibit_inc;
323 376
324 my $guard = Coro::guard { 377 Coro::guard \&tick_inhibit_dec;
325 $TICK_WATCHER->start; 378}
326 }; 379
327 $TICK_WATCHER->stop; 380=item cf::periodic $interval, $cb
328 $guard 381
382Like EV::periodic, but randomly selects a starting point so that the actions
383get spread over timer.
384
385=cut
386
387sub periodic($$) {
388 my ($interval, $cb) = @_;
389
390 my $start = rand List::Util::min 180, $interval;
391
392 EV::periodic $start, $interval, 0, $cb
329} 393}
330 394
331=item cf::get_slot $time[, $priority[, $name]] 395=item cf::get_slot $time[, $priority[, $name]]
332 396
333Allocate $time seconds of blocking CPU time at priority C<$priority>: 397Allocate $time seconds of blocking CPU time at priority C<$priority>:
344our @SLOT_QUEUE; 408our @SLOT_QUEUE;
345our $SLOT_QUEUE; 409our $SLOT_QUEUE;
346 410
347$SLOT_QUEUE->cancel if $SLOT_QUEUE; 411$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async { 412$SLOT_QUEUE = Coro::async {
413 $Coro::current->desc ("timeslot manager");
414
349 my $signal = new Coro::Signal; 415 my $signal = new Coro::Signal;
350 416
351 while () { 417 while () {
352 next_job: 418 next_job:
353 my $avail = cf::till_tick; 419 my $avail = cf::till_tick;
361 } 427 }
362 } 428 }
363 } 429 }
364 430
365 if (@SLOT_QUEUE) { 431 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive 432 # we do not use wait_for_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal; 433 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait; 434 $signal->wait;
369 } else { 435 } else {
370 Coro::schedule; 436 Coro::schedule;
371 } 437 }
372 } 438 }
373}; 439};
374 440
375sub get_slot($;$$) { 441sub get_slot($;$$) {
442 return if tick_inhibit || $Coro::current == $Coro::main;
443
376 my ($time, $pri, $name) = @_; 444 my ($time, $pri, $name) = @_;
377 445
378 $time = $TICK * .6 if $time > $TICK * .6; 446 $time = $TICK * .6 if $time > $TICK * .6;
379 my $sig = new Coro::Signal; 447 my $sig = new Coro::Signal;
380 448
394 462
395BEGIN { *async = \&Coro::async_pool } 463BEGIN { *async = \&Coro::async_pool }
396 464
397=item cf::sync_job { BLOCK } 465=item cf::sync_job { BLOCK }
398 466
399The design of Crossfire TRT requires that the main coroutine ($Coro::main) 467The design of Deliantra requires that the main coroutine ($Coro::main)
400is always able to handle events or runnable, as Crossfire TRT is only 468is 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 469partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402acceptable. 470acceptable.
403 471
404If it must be done, put the blocking parts into C<sync_job>. This will run 472If 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 473the given BLOCK in another coroutine while waiting for the result. The
410 478
411sub sync_job(&) { 479sub sync_job(&) {
412 my ($job) = @_; 480 my ($job) = @_;
413 481
414 if ($Coro::current == $Coro::main) { 482 if ($Coro::current == $Coro::main) {
415 my $time = Event::time; 483 my $time = EV::time;
416 484
417 # this is the main coro, too bad, we have to block 485 # this is the main coro, too bad, we have to block
418 # till the operation succeeds, freezing the server :/ 486 # till the operation succeeds, freezing the server :/
419 487
420 # TODO: use suspend/resume instead 488 LOG llevError, Carp::longmess "sync job";#d#
421 # (but this is cancel-safe) 489
422 my $freeze_guard = freeze_mainloop; 490 my $freeze_guard = freeze_mainloop;
423 491
424 my $busy = 1; 492 my $busy = 1;
425 my @res; 493 my @res;
426 494
427 (async { 495 (async {
496 $Coro::current->desc ("sync job coro");
428 @res = eval { $job->() }; 497 @res = eval { $job->() };
429 warn $@ if $@; 498 warn $@ if $@;
430 undef $busy; 499 undef $busy;
431 })->prio (Coro::PRIO_MAX); 500 })->prio (Coro::PRIO_MAX);
432 501
433 while ($busy) { 502 while ($busy) {
434 Coro::cede or Event::one_event; 503 if (Coro::nready) {
504 Coro::cede_notself;
505 } else {
506 EV::loop EV::LOOP_ONESHOT;
435 } 507 }
508 }
436 509
437 $time = Event::time - $time; 510 my $time = EV::time - $time;
438 511
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 512 $TICK_START += $time; # do not account sync jobs to server load
443 513
444 wantarray ? @res : $res[0] 514 wantarray ? @res : $res[0]
445 } else { 515 } else {
446 # we are in another coroutine, how wonderful, everything just works 516 # we are in another coroutine, how wonderful, everything just works
447 517
472=item fork_call { }, $args 542=item fork_call { }, $args
473 543
474Executes the given code block with the given arguments in a seperate 544Executes the given code block with the given arguments in a seperate
475process, returning the results. Everything must be serialisable with 545process, returning the results. Everything must be serialisable with
476Coro::Storable. May, of course, block. Note that the executed sub may 546Coro::Storable. May, of course, block. Note that the executed sub may
477never block itself or use any form of Event handling. 547never block itself or use any form of event handling.
478 548
479=cut 549=cut
480 550
481sub fork_call(&@) { 551sub fork_call(&@) {
482 my ($cb, @args) = @_; 552 my ($cb, @args) = @_;
483 553
484 # we seemingly have to make a local copy of the whole thing, 554 # we seemingly have to make a local copy of the whole thing,
485 # otherwise perl prematurely frees the stuff :/ 555 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious) 556 # TODO: investigate and fix (likely this will be rather laborious)
487 557
488 my @res = Coro::Util::fork_eval { 558 my @res = Coro::Util::fork_eval {
489 reset_signals; 559 reset_signals;
490 &$cb 560 &$cb
491 }, @args; 561 }, @args;
492 562
493 wantarray ? @res : $res[-1] 563 wantarray ? @res : $res[-1]
494} 564}
495 565
566=item $coin = coin_from_name $name
567
568=cut
569
570our %coin_alias = (
571 "silver" => "silvercoin",
572 "silvercoin" => "silvercoin",
573 "silvercoins" => "silvercoin",
574 "gold" => "goldcoin",
575 "goldcoin" => "goldcoin",
576 "goldcoins" => "goldcoin",
577 "platinum" => "platinacoin",
578 "platinumcoin" => "platinacoin",
579 "platinumcoins" => "platinacoin",
580 "platina" => "platinacoin",
581 "platinacoin" => "platinacoin",
582 "platinacoins" => "platinacoin",
583 "royalty" => "royalty",
584 "royalties" => "royalty",
585);
586
587sub coin_from_name($) {
588 $coin_alias{$_[0]}
589 ? cf::arch::find $coin_alias{$_[0]}
590 : undef
591}
592
496=item $value = cf::db_get $family => $key 593=item $value = cf::db_get $family => $key
497 594
498Returns a single value from the environment database. 595Returns a single value from the environment database.
499 596
500=item cf::db_put $family => $key => $value 597=item cf::db_put $family => $key => $value
501 598
502Stores the given C<$value> in the family. It can currently store binary 599Stores 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). 600data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504 601
602=item $db = cf::db_table "name"
603
604Create and/or open a new database table. The string must not be "db" and must be unique
605within each server.
606
505=cut 607=cut
608
609sub db_table($) {
610 my ($name) = @_;
611 my $db = BDB::db_create $DB_ENV;
612
613 eval {
614 $db->set_flags (BDB::CHKSUM);
615
616 utf8::encode $name;
617 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
618 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
619 cf::cleanup "db_open(db): $!" if $!;
620 };
621 cf::cleanup "db_open(db): $@" if $@;
622
623 $db
624}
506 625
507our $DB; 626our $DB;
508 627
509sub db_init { 628sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job { 629 cf::sync_job {
514 eval { 630 $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 } 631 };
524} 632}
525 633
526sub db_get($$) { 634sub db_get($$) {
527 my $key = "$_[0]/$_[1]"; 635 my $key = "$_[0]/$_[1]";
528 636
626 734
627############################################################################# 735#############################################################################
628 736
629=head2 ATTACHABLE OBJECTS 737=head2 ATTACHABLE OBJECTS
630 738
631Many objects in crossfire are so-called attachable objects. That means you can 739Many objects in deliantra are so-called attachable objects. That means you can
632attach callbacks/event handlers (a collection of which is called an "attachment") 740attach callbacks/event handlers (a collection of which is called an "attachment")
633to it. All such attachable objects support the following methods. 741to it. All such attachable objects support the following methods.
634 742
635In the following description, CLASS can be any of C<global>, C<object> 743In 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 744C<player>, C<client> or C<map> (i.e. the attachable objects in
637Crossfire TRT). 745Deliantra).
638 746
639=over 4 747=over 4
640 748
641=item $attachable->attach ($attachment, key => $value...) 749=item $attachable->attach ($attachment, key => $value...)
642 750
686=item cf::CLASS::attachment $name, ... 794=item cf::CLASS::attachment $name, ...
687 795
688Register an attachment by C<$name> through which attachable objects of the 796Register an attachment by C<$name> through which attachable objects of the
689given CLASS can refer to this attachment. 797given CLASS can refer to this attachment.
690 798
691Some classes such as crossfire maps and objects can specify attachments 799Some classes such as deliantra maps and objects can specify attachments
692that are attached at load/instantiate time, thus the need for a name. 800that are attached at load/instantiate time, thus the need for a name.
693 801
694These calls expect any number of the following handler/hook descriptions: 802These calls expect any number of the following handler/hook descriptions:
695 803
696=over 4 804=over 4
924 } 1032 }
925 1033
926 0 1034 0
927} 1035}
928 1036
929=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1037=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930 1038
931=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1039=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932 1040
933Generate an object-specific event with the given arguments. 1041Generate an object-specific event with the given arguments.
934 1042
940 1048
941=cut 1049=cut
942 1050
943############################################################################# 1051#############################################################################
944# object support 1052# object support
945#
946 1053
1054sub _object_equal($$);
1055sub _object_equal($$) {
1056 my ($a, $b) = @_;
1057
1058 return 0 unless (ref $a) eq (ref $b);
1059
1060 if ("HASH" eq ref $a) {
1061 my @ka = keys %$a;
1062 my @kb = keys %$b;
1063
1064 return 0 if @ka != @kb;
1065
1066 for (0 .. $#ka) {
1067 return 0 unless $ka[$_] eq $kb[$_];
1068 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1069 }
1070
1071 } elsif ("ARRAY" eq ref $a) {
1072
1073 return 0 if @$a != @$b;
1074
1075 for (0 .. $#$a) {
1076 return 0 unless _object_equal $a->[$_], $b->[$_];
1077 }
1078
1079 } elsif ($a ne $b) {
1080 return 0;
1081 }
1082
1083 1
1084}
1085
1086our $SLOW_MERGES;#d#
947sub _can_merge { 1087sub _can_merge {
948 my ($ob1, $ob2) = @_; 1088 my ($ob1, $ob2) = @_;
949 1089
950 local $Storable::canonical = 1; 1090 ++$SLOW_MERGES;#d#
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953 1091
954 $fob1 eq $fob2 1092 # we do the slow way here
1093 return _object_equal $ob1, $ob2
955} 1094}
956 1095
957sub reattach { 1096sub reattach {
958 # basically do the same as instantiate, without calling instantiate 1097 # basically do the same as instantiate, without calling instantiate
959 my ($obj) = @_; 1098 my ($obj) = @_;
960 1099
1100 # no longer needed after getting rid of delete_package?
961 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1101 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962 1102
963 my $registry = $obj->registry; 1103 my $registry = $obj->registry;
964 1104
965 @$registry = (); 1105 @$registry = ();
966 1106
981cf::attachable->attach ( 1121cf::attachable->attach (
982 prio => -1000000, 1122 prio => -1000000,
983 on_instantiate => sub { 1123 on_instantiate => sub {
984 my ($obj, $data) = @_; 1124 my ($obj, $data) = @_;
985 1125
986 $data = from_json $data; 1126 $data = decode_json $data;
987 1127
988 for (@$data) { 1128 for (@$data) {
989 my ($name, $args) = @$_; 1129 my ($name, $args) = @$_;
990 1130
991 $obj->attach ($name, %{$args || {} }); 1131 $obj->attach ($name, %{$args || {} });
1007sub object_freezer_save { 1147sub object_freezer_save {
1008 my ($filename, $rdata, $objs) = @_; 1148 my ($filename, $rdata, $objs) = @_;
1009 1149
1010 sync_job { 1150 sync_job {
1011 if (length $$rdata) { 1151 if (length $$rdata) {
1152 utf8::decode (my $decname = $filename);
1012 warn sprintf "saving %s (%d,%d)\n", 1153 warn sprintf "saving %s (%d,%d)\n",
1013 $filename, length $$rdata, scalar @$objs; 1154 $decname, length $$rdata, scalar @$objs;
1014 1155
1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1158 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
1019 close $fh; 1160 aio_close $fh;
1020 1161
1021 if (@$objs) { 1162 if (@$objs) {
1022 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1163 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023 chmod SAVE_MODE, $fh; 1164 aio_chmod $fh, SAVE_MODE;
1024 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1165 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025 aio_write $fh, 0, (length $data), $data, 0; 1166 aio_write $fh, 0, (length $data), $data, 0;
1026 aio_fsync $fh if $cf::USE_FSYNC; 1167 aio_fsync $fh if $cf::USE_FSYNC;
1027 close $fh; 1168 aio_close $fh;
1028 aio_rename "$filename.pst~", "$filename.pst"; 1169 aio_rename "$filename.pst~", "$filename.pst";
1029 } 1170 }
1030 } else { 1171 } else {
1031 aio_unlink "$filename.pst"; 1172 aio_unlink "$filename.pst";
1032 } 1173 }
1037 } 1178 }
1038 } else { 1179 } else {
1039 aio_unlink $filename; 1180 aio_unlink $filename;
1040 aio_unlink "$filename.pst"; 1181 aio_unlink "$filename.pst";
1041 } 1182 }
1042 } 1183 };
1043} 1184}
1044 1185
1045sub object_freezer_as_string { 1186sub object_freezer_as_string {
1046 my ($rdata, $objs) = @_; 1187 my ($rdata, $objs) = @_;
1047 1188
1059 or return; 1200 or return;
1060 1201
1061 unless (aio_stat "$filename.pst") { 1202 unless (aio_stat "$filename.pst") {
1062 (aio_load "$filename.pst", $av) >= 0 1203 (aio_load "$filename.pst", $av) >= 0
1063 or return; 1204 or return;
1205
1064 $av = eval { (Storable::thaw $av)->{objs} }; 1206 my $st = eval { Coro::Storable::thaw $av };
1207 $av = $st->{objs};
1065 } 1208 }
1066 1209
1210 utf8::decode (my $decname = $filename);
1067 warn sprintf "loading %s (%d)\n", 1211 warn sprintf "loading %s (%d,%d)\n",
1068 $filename, length $data, scalar @{$av || []}; 1212 $decname, length $data, scalar @{$av || []};
1213
1069 return ($data, $av); 1214 ($data, $av)
1070} 1215}
1071 1216
1072=head2 COMMAND CALLBACKS 1217=head2 COMMAND CALLBACKS
1073 1218
1074=over 4 1219=over 4
1197 1342
1198 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1343 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1344 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200 1345
1201 $ext{source} = 1346 $ext{source} =
1202 "package $pkg; use strict; use utf8;\n" 1347 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203 . "#line 1 \"$path\"\n{\n" 1348 . "#line 1 \"$path\"\n{\n"
1204 . $source 1349 . $source
1205 . "\n};\n1"; 1350 . "\n};\n1";
1206 1351
1207 $todo{$base} = \%ext; 1352 $todo{$base} = \%ext;
1223 my $msg = $@ ? "$v->{path}: $@\n" 1368 my $msg = $@ ? "$v->{path}: $@\n"
1224 : "$v->{base}: extension inactive.\n"; 1369 : "$v->{base}: extension inactive.\n";
1225 1370
1226 if (exists $v->{meta}{mandatory}) { 1371 if (exists $v->{meta}{mandatory}) {
1227 warn $msg; 1372 warn $msg;
1228 warn "mandatory extension failed to load, exiting.\n"; 1373 cf::cleanup "mandatory extension failed to load, exiting.";
1229 exit 1;
1230 } 1374 }
1231 1375
1232 warn $msg; 1376 warn $msg;
1233 } 1377 }
1234 1378
1248 1392
1249=back 1393=back
1250 1394
1251=head2 CORE EXTENSIONS 1395=head2 CORE EXTENSIONS
1252 1396
1253Functions and methods that extend core crossfire objects. 1397Functions and methods that extend core deliantra objects.
1254 1398
1255=cut 1399=cut
1256 1400
1257package cf::player; 1401package cf::player;
1258 1402
1259use Coro::AIO; 1403use Coro::AIO;
1260 1404
1261=head3 cf::player 1405=head3 cf::player
1262 1406
1263=over 4 1407=over 4
1408
1409=item cf::player::num_playing
1410
1411Returns the official number of playing players, as per the Crossfire metaserver rules.
1412
1413=cut
1414
1415sub num_playing {
1416 scalar grep
1417 $_->ob->map
1418 && !$_->hidden
1419 && !$_->ob->flag (cf::FLAG_WIZ),
1420 cf::player::list
1421}
1264 1422
1265=item cf::player::find $login 1423=item cf::player::find $login
1266 1424
1267Returns the given player object, loading it if necessary (might block). 1425Returns the given player object, loading it if necessary (might block).
1268 1426
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1462 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1463 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1464 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl"; 1465 aio_unlink +(playerdir $login) . "/$login.pl";
1308 1466
1309 my $pl = load_pl path $login 1467 my $f = new_from_file cf::object::thawer path $login
1310 or return; 1468 or return;
1469
1470 my $pl = cf::player::load_pl $f
1471 or return;
1472
1473 local $cf::PLAYER_LOADING{$login} = $pl;
1474 $f->resolve_delayed_derefs;
1311 $cf::PLAYER{$login} = $pl 1475 $cf::PLAYER{$login} = $pl
1312 } 1476 }
1313 } 1477 }
1314} 1478}
1315 1479
1323 1487
1324 return if $pl->{deny_save}; 1488 return if $pl->{deny_save};
1325 1489
1326 aio_mkdir playerdir $pl, 0770; 1490 aio_mkdir playerdir $pl, 0770;
1327 $pl->{last_save} = $cf::RUNTIME; 1491 $pl->{last_save} = $cf::RUNTIME;
1492
1493 cf::get_slot 0.01;
1328 1494
1329 $pl->save_pl ($path); 1495 $pl->save_pl ($path);
1330 cf::cede_to_tick; 1496 cf::cede_to_tick;
1331} 1497}
1332 1498
1364 my ($pl) = @_; 1530 my ($pl) = @_;
1365 1531
1366 my $name = $pl->ob->name; 1532 my $name = $pl->ob->name;
1367 1533
1368 $pl->{deny_save} = 1; 1534 $pl->{deny_save} = 1;
1369 $pl->password ("*"); # this should lock out the player until we nuked the dir 1535 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1370 1536
1371 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1537 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372 $pl->deactivate; 1538 $pl->deactivate;
1539 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1540 $pl->ob->check_score;
1373 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1541 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1374 $pl->ns->destroy if $pl->ns; 1542 $pl->ns->destroy if $pl->ns;
1375 1543
1376 my $path = playerdir $pl; 1544 my $path = playerdir $pl;
1377 my $temp = "$path~$cf::RUNTIME~deleting~"; 1545 my $temp = "$path~$cf::RUNTIME~deleting~";
1413 or return []; 1581 or return [];
1414 1582
1415 my @logins; 1583 my @logins;
1416 1584
1417 for my $login (@$dirs) { 1585 for my $login (@$dirs) {
1586 my $path = path $login;
1587
1588 # a .pst is a dead give-away for a valid player
1589 # if no pst file found, open and chekc for blocked users
1590 if (aio_stat "$path.pst") {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1591 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next; 1592 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag 1593 $buf !~ /^password -------------$/m or next; # official not-valid tag
1594 }
1421 1595
1422 utf8::decode $login; 1596 utf8::decode $login;
1423 push @logins, $login; 1597 push @logins, $login;
1424 } 1598 }
1425 1599
1452 } 1626 }
1453 1627
1454 \@paths 1628 \@paths
1455} 1629}
1456 1630
1457=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1631=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458 1632
1459Expand crossfire pod fragments into protocol xml. 1633Expand 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 1634
1507=item $player->ext_reply ($msgid, @msg) 1635=item $player->ext_reply ($msgid, @msg)
1508 1636
1509Sends an ext reply to the player. 1637Sends an ext reply to the player.
1510 1638
1577our $MAX_RESET = 3600; 1705our $MAX_RESET = 3600;
1578our $DEFAULT_RESET = 3000; 1706our $DEFAULT_RESET = 3000;
1579 1707
1580sub generate_random_map { 1708sub generate_random_map {
1581 my ($self, $rmp) = @_; 1709 my ($self, $rmp) = @_;
1710
1711 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1712
1582 # mit "rum" bekleckern, nicht 1713 # mit "rum" bekleckern, nicht
1583 $self->_create_random_map ( 1714 $self->_create_random_map (
1584 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1715 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1716 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1717 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1708 1839
1709# the temporary/swap location 1840# the temporary/swap location
1710sub save_path { 1841sub save_path {
1711 my ($self) = @_; 1842 my ($self) = @_;
1712 1843
1713 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1844 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714 "$TMPDIR/$path.map" 1845 "$TMPDIR/$path.map"
1715} 1846}
1716 1847
1717# the unique path, undef == no special unique path 1848# the unique path, undef == no special unique path
1718sub uniq_path { 1849sub uniq_path {
1719 my ($self) = @_; 1850 my ($self) = @_;
1720 1851
1721 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1852 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722 "$UNIQUEDIR/$path" 1853 "$UNIQUEDIR/$path"
1723} 1854}
1724 1855
1725# and all this just because we cannot iterate over 1856# and all this just because we cannot iterate over
1726# all maps in C++... 1857# all maps in C++...
1749 1880
1750sub load_header_from($) { 1881sub load_header_from($) {
1751 my ($self, $path) = @_; 1882 my ($self, $path) = @_;
1752 1883
1753 utf8::encode $path; 1884 utf8::encode $path;
1754 #aio_open $path, O_RDONLY, 0 1885 my $f = new_from_file cf::object::thawer $path
1755 # or return;
1756
1757 $self->_load_header ($path)
1758 or return; 1886 or return;
1887
1888 $self->_load_header ($f)
1889 or return;
1890
1891 local $MAP_LOADING{$self->{path}} = $self;
1892 $f->resolve_delayed_derefs;
1759 1893
1760 $self->{load_path} = $path; 1894 $self->{load_path} = $path;
1761 1895
1762 1 1896 1
1763} 1897}
1817sub find { 1951sub find {
1818 my ($path, $origin) = @_; 1952 my ($path, $origin) = @_;
1819 1953
1820 $path = normalise $path, $origin && $origin->path; 1954 $path = normalise $path, $origin && $origin->path;
1821 1955
1956 cf::lock_wait "map_data:$path";#d#remove
1822 cf::lock_wait "map_find:$path"; 1957 cf::lock_wait "map_find:$path";
1823 1958
1824 $cf::MAP{$path} || do { 1959 $cf::MAP{$path} || do {
1960 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1825 my $guard = cf::lock_acquire "map_find:$path"; 1961 my $guard2 = cf::lock_acquire "map_find:$path";
1962
1826 my $map = new_from_path cf::map $path 1963 my $map = new_from_path cf::map $path
1827 or return; 1964 or return;
1828 1965
1829 $map->{last_save} = $cf::RUNTIME; 1966 $map->{last_save} = $cf::RUNTIME;
1830 1967
1832 or return; 1969 or return;
1833 1970
1834 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1971 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835 # doing this can freeze the server in a sync job, obviously 1972 # doing this can freeze the server in a sync job, obviously
1836 #$cf::WAIT_FOR_TICK->wait; 1973 #$cf::WAIT_FOR_TICK->wait;
1974 undef $guard2;
1975 undef $guard1;
1837 $map->reset; 1976 $map->reset;
1838 undef $guard;
1839 return find $path; 1977 return find $path;
1840 } 1978 }
1841 1979
1842 $cf::MAP{$path} = $map 1980 $cf::MAP{$path} = $map
1843 } 1981 }
1852 local $self->{deny_reset} = 1; # loading can take a long time 1990 local $self->{deny_reset} = 1; # loading can take a long time
1853 1991
1854 my $path = $self->{path}; 1992 my $path = $self->{path};
1855 1993
1856 { 1994 {
1857 my $guard1 = cf::lock_acquire "map_data:$path"; 1995 my $guard = cf::lock_acquire "map_data:$path";
1858 my $guard2 = cf::lock_acquire "map_load:$path";
1859 1996
1997 return unless $self->valid;
1860 return if $self->in_memory != cf::MAP_SWAPPED; 1998 return unless $self->in_memory == cf::MAP_SWAPPED;
1861 1999
1862 $self->in_memory (cf::MAP_LOADING); 2000 $self->in_memory (cf::MAP_LOADING);
1863 2001
1864 $self->alloc; 2002 $self->alloc;
1865 2003
1866 $self->pre_load; 2004 $self->pre_load;
1867 cf::cede_to_tick; 2005 cf::cede_to_tick;
1868 2006
2007 my $f = new_from_file cf::object::thawer $self->{load_path};
2008 $f->skip_block;
1869 $self->_load_objects ($self->{load_path}, 1) 2009 $self->_load_objects ($f)
1870 or return; 2010 or return;
1871 2011
1872 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2012 $self->post_load_original
1873 if delete $self->{load_original}; 2013 if delete $self->{load_original};
1874 2014
1875 if (my $uniq = $self->uniq_path) { 2015 if (my $uniq = $self->uniq_path) {
1876 utf8::encode $uniq; 2016 utf8::encode $uniq;
1877 if (aio_open $uniq, O_RDONLY, 0) { 2017 unless (aio_stat $uniq) {
2018 if (my $f = new_from_file cf::object::thawer $uniq) {
1878 $self->clear_unique_items; 2019 $self->clear_unique_items;
1879 $self->_load_objects ($uniq, 0); 2020 $self->_load_objects ($f);
2021 $f->resolve_delayed_derefs;
2022 }
1880 } 2023 }
1881 } 2024 }
2025
2026 $f->resolve_delayed_derefs;
1882 2027
1883 cf::cede_to_tick; 2028 cf::cede_to_tick;
1884 # now do the right thing for maps 2029 # now do the right thing for maps
1885 $self->link_multipart_objects; 2030 $self->link_multipart_objects;
1886 $self->difficulty ($self->estimate_difficulty) 2031 $self->difficulty ($self->estimate_difficulty)
1898 } 2043 }
1899 2044
1900 $self->{last_save} = $cf::RUNTIME; 2045 $self->{last_save} = $cf::RUNTIME;
1901 $self->last_access ($cf::RUNTIME); 2046 $self->last_access ($cf::RUNTIME);
1902 2047
1903 $self->in_memory (cf::MAP_IN_MEMORY); 2048 $self->in_memory (cf::MAP_ACTIVE);
1904 } 2049 }
1905 2050
1906 $self->post_load; 2051 $self->post_load;
1907} 2052}
1908 2053
1966 my ($path, $origin, $load) = @_; 2111 my ($path, $origin, $load) = @_;
1967 2112
1968 $path = normalise $path, $origin && $origin->{path}; 2113 $path = normalise $path, $origin && $origin->{path};
1969 2114
1970 if (my $map = $cf::MAP{$path}) { 2115 if (my $map = $cf::MAP{$path}) {
1971 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY; 2116 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1972 } 2117 }
1973 2118
1974 $MAP_PREFETCH{$path} |= $load; 2119 $MAP_PREFETCH{$path} |= $load;
1975 2120
1976 $MAP_PREFETCHER ||= cf::async { 2121 $MAP_PREFETCHER ||= cf::async {
2122 $Coro::current->{desc} = "map prefetcher";
2123
1977 while (%MAP_PREFETCH) { 2124 while (%MAP_PREFETCH) {
1978 while (my ($k, $v) = each %MAP_PREFETCH) { 2125 while (my ($k, $v) = each %MAP_PREFETCH) {
1979 if (my $map = find $k) { 2126 if (my $map = find $k) {
1980 $map->load if $v; 2127 $map->load if $v;
1981 } 2128 }
2007 return if $self->{deny_save}; 2154 return if $self->{deny_save};
2008 2155
2009 local $self->{last_access} = $self->last_access;#d# 2156 local $self->{last_access} = $self->last_access;#d#
2010 2157
2011 cf::async { 2158 cf::async {
2159 $Coro::current->{desc} = "map player save";
2012 $_->contr->save for $self->players; 2160 $_->contr->save for $self->players;
2013 }; 2161 };
2162
2163 cf::get_slot 0.02;
2014 2164
2015 if ($uniq) { 2165 if ($uniq) {
2016 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2166 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2017 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2167 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2018 } else { 2168 } else {
2027 $self->save; 2177 $self->save;
2028 2178
2029 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2179 my $lock = cf::lock_acquire "map_data:$self->{path}";
2030 2180
2031 return if $self->players; 2181 return if $self->players;
2032 return if $self->in_memory != cf::MAP_IN_MEMORY; 2182 return if $self->in_memory != cf::MAP_ACTIVE;
2033 return if $self->{deny_save}; 2183 return if $self->{deny_save};
2034 2184
2185 $self->in_memory (cf::MAP_SWAPPED);
2186
2187 $self->deactivate;
2188 $_->clear_links_to ($self) for values %cf::MAP;
2035 $self->clear; 2189 $self->clear;
2036 $self->in_memory (cf::MAP_SWAPPED);
2037} 2190}
2038 2191
2039sub reset_at { 2192sub reset_at {
2040 my ($self) = @_; 2193 my ($self) = @_;
2041 2194
2073 if $uniq; 2226 if $uniq;
2074 } 2227 }
2075 2228
2076 delete $cf::MAP{$self->path}; 2229 delete $cf::MAP{$self->path};
2077 2230
2231 $self->deactivate;
2232 $_->clear_links_to ($self) for values %cf::MAP;
2078 $self->clear; 2233 $self->clear;
2079
2080 $_->clear_links_to ($self) for values %cf::MAP;
2081 2234
2082 $self->unlink_save; 2235 $self->unlink_save;
2083 $self->destroy; 2236 $self->destroy;
2084} 2237}
2085 2238
2090 2243
2091 { 2244 {
2092 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2245 my $lock = cf::lock_acquire "map_data:$self->{path}";
2093 2246
2094 delete $cf::MAP{$self->path}; 2247 delete $cf::MAP{$self->path};
2248
2249 $self->unlink_save;
2095 2250
2096 bless $self, "cf::map"; 2251 bless $self, "cf::map";
2097 delete $self->{deny_reset}; 2252 delete $self->{deny_reset};
2098 $self->{deny_save} = 1; 2253 $self->{deny_save} = 1;
2099 $self->reset_timeout (1); 2254 $self->reset_timeout (1);
2100 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2255 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2101
2102 $self->unlink_save;
2103 2256
2104 $cf::MAP{$self->path} = $self; 2257 $cf::MAP{$self->path} = $self;
2105 } 2258 }
2106 2259
2107 $self->reset; # polite request, might not happen 2260 $self->reset; # polite request, might not happen
2152 2305
2153sub unique_maps() { 2306sub unique_maps() {
2154 [ 2307 [
2155 map { 2308 map {
2156 utf8::decode $_; 2309 utf8::decode $_;
2157 /\.map$/ 2310 s/\.map$//; # TODO future compatibility hack
2311 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2312 ? ()
2158 ? normalise $_ 2313 : normalise $_
2159 : ()
2160 } @{ aio_readdir $UNIQUEDIR or [] } 2314 } @{ aio_readdir $UNIQUEDIR or [] }
2161 ] 2315 ]
2162} 2316}
2163 2317
2164package cf;
2165
2166=back 2318=back
2167 2319
2168=head3 cf::object 2320=head3 cf::object
2169 2321
2170=cut 2322=cut
2173 2325
2174=over 4 2326=over 4
2175 2327
2176=item $ob->inv_recursive 2328=item $ob->inv_recursive
2177 2329
2178Returns the inventory of the object _and_ their inventories, recursively. 2330Returns the inventory of the object I<and> their inventories, recursively,
2331but I<not> the object itself.
2179 2332
2180=cut 2333=cut
2181 2334
2182sub inv_recursive_; 2335sub inv_recursive_;
2183sub inv_recursive_ { 2336sub inv_recursive_ {
2186 2339
2187sub inv_recursive { 2340sub inv_recursive {
2188 inv_recursive_ inv $_[0] 2341 inv_recursive_ inv $_[0]
2189} 2342}
2190 2343
2344=item $ref = $ob->ref
2345
2346Creates and returns a persistent reference to an object that can be stored as a string.
2347
2348=item $ob = cf::object::deref ($refstring)
2349
2350returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351even if the object actually exists. May block.
2352
2353=cut
2354
2355sub deref {
2356 my ($ref) = @_;
2357
2358 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2359 my ($uuid, $name) = ($1, $2);
2360 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2361 or return;
2362 $pl->ob->uuid eq $uuid
2363 or return;
2364
2365 $pl->ob
2366 } else {
2367 warn "$ref: cannot resolve object reference\n";
2368 undef
2369 }
2370}
2371
2191package cf; 2372package cf;
2192 2373
2193=back 2374=back
2194 2375
2195=head3 cf::object::player 2376=head3 cf::object::player
2201Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2382Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2202can be C<undef>. Does the right thing when the player is currently in a 2383can be C<undef>. Does the right thing when the player is currently in a
2203dialogue with the given NPC character. 2384dialogue with the given NPC character.
2204 2385
2205=cut 2386=cut
2387
2388our $SAY_CHANNEL = {
2389 id => "say",
2390 title => "Map",
2391 reply => "say ",
2392 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2393};
2394
2395our $CHAT_CHANNEL = {
2396 id => "chat",
2397 title => "Chat",
2398 reply => "chat ",
2399 tooltip => "Player chat and shouts, global to the server.",
2400};
2206 2401
2207# rough implementation of a future "reply" method that works 2402# rough implementation of a future "reply" method that works
2208# with dialog boxes. 2403# with dialog boxes.
2209#TODO: the first argument must go, split into a $npc->reply_to ( method 2404#TODO: the first argument must go, split into a $npc->reply_to ( method
2210sub cf::object::player::reply($$$;$) { 2405sub cf::object::player::reply($$$;$) {
2222 my $dialog = $pl->{npc_dialog}; 2417 my $dialog = $pl->{npc_dialog};
2223 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2418 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2224 2419
2225 } else { 2420 } else {
2226 $msg = $npc->name . " says: $msg" if $npc; 2421 $msg = $npc->name . " says: $msg" if $npc;
2227 $self->message ($msg, $flags); 2422 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2228 } 2423 }
2229 } 2424 }
2230} 2425}
2231 2426
2232=item $object->send_msg ($channel, $msg, $color, [extra...]) 2427=item $object->send_msg ($channel, $msg, $color, [extra...])
2257 2452
2258=item $player_object->enter_link 2453=item $player_object->enter_link
2259 2454
2260Freezes the player and moves him/her to a special map (C<{link}>). 2455Freezes the player and moves him/her to a special map (C<{link}>).
2261 2456
2262The player should be reasonably safe there for short amounts of time. You 2457The player should be reasonably safe there for short amounts of time (e.g.
2263I<MUST> call C<leave_link> as soon as possible, though. 2458for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2459though, as the palyer cannot control the character while it is on the link
2460map.
2264 2461
2265Will never block. 2462Will never block.
2266 2463
2267=item $player_object->leave_link ($map, $x, $y) 2464=item $player_object->leave_link ($map, $x, $y)
2268 2465
2326 2523
2327 $map->load; 2524 $map->load;
2328 $map->load_neighbours; 2525 $map->load_neighbours;
2329 2526
2330 return unless $self->contr->active; 2527 return unless $self->contr->active;
2528 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2331 $self->activate_recursive; 2529 $self->activate_recursive;
2332 2530
2333 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2531 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2334 $self->enter_map ($map, $x, $y); 2532 $self->enter_map ($map, $x, $y);
2335} 2533}
2340her, loading and preparing them map, calling the provided $check callback 2538her, loading and preparing them map, calling the provided $check callback
2341that has to return the map if sucecssful, and then unfreezes the player on 2539that has to return the map if sucecssful, and then unfreezes the player on
2342the new (success) or old (failed) map position. In either case, $done will 2540the new (success) or old (failed) map position. In either case, $done will
2343be called at the end of this process. 2541be called at the end of this process.
2344 2542
2543Note that $check will be called with a potentially non-loaded map, so if
2544it needs a loaded map it has to call C<< ->load >>.
2545
2345=cut 2546=cut
2346 2547
2347our $GOTOGEN; 2548our $GOTOGEN;
2348 2549
2349sub cf::object::player::goto { 2550sub cf::object::player::goto {
2353 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2554 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2354 2555
2355 $self->enter_link; 2556 $self->enter_link;
2356 2557
2357 (async { 2558 (async {
2559 $Coro::current->{desc} = "player::goto $path $x $y";
2560
2561 # *tag paths override both path and x|y
2562 if ($path =~ /^\*(.*)$/) {
2563 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2564 my $ob = $obs[rand @obs];
2565
2566 # see if we actually can go there
2567 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2568 $ob = $obs[rand @obs];
2569 } else {
2570 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2571 }
2572 # else put us there anyways for now #d#
2573
2574 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2575 } else {
2576 ($path, $x, $y) = (undef, undef, undef);
2577 }
2578 }
2579
2358 my $map = eval { 2580 my $map = eval {
2359 my $map = cf::map::find $path; 2581 my $map = defined $path ? cf::map::find $path : undef;
2360 2582
2361 if ($map) { 2583 if ($map) {
2362 $map = $map->customise_for ($self); 2584 $map = $map->customise_for ($self);
2363 $map = $check->($map) if $check && $map; 2585 $map = $check->($map) if $check && $map;
2364 } else { 2586 } else {
2365 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2587 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2366 } 2588 }
2367 2589
2368 $map 2590 $map
2369 }; 2591 };
2370 2592
2406} 2628}
2407 2629
2408sub prepare_random_map { 2630sub prepare_random_map {
2409 my ($exit) = @_; 2631 my ($exit) = @_;
2410 2632
2411 my $guard = cf::lock_acquire "exit_prepare:$exit";
2412
2413 # all this does is basically replace the /! path by 2633 # all this does is basically replace the /! path by
2414 # a new random map path (?random/...) with a seed 2634 # a new random map path (?random/...) with a seed
2415 # that depends on the exit object 2635 # that depends on the exit object
2416 2636
2417 my $rmp = parse_random_map_params $exit->msg; 2637 my $rmp = parse_random_map_params $exit->msg;
2419 if ($exit->map) { 2639 if ($exit->map) {
2420 $rmp->{region} = $exit->region->name; 2640 $rmp->{region} = $exit->region->name;
2421 $rmp->{origin_map} = $exit->map->path; 2641 $rmp->{origin_map} = $exit->map->path;
2422 $rmp->{origin_x} = $exit->x; 2642 $rmp->{origin_x} = $exit->x;
2423 $rmp->{origin_y} = $exit->y; 2643 $rmp->{origin_y} = $exit->y;
2644
2645 $exit->map->touch;
2424 } 2646 }
2425 2647
2426 $rmp->{random_seed} ||= $exit->random_seed; 2648 $rmp->{random_seed} ||= $exit->random_seed;
2427 2649
2428 my $data = cf::to_json $rmp; 2650 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2429 my $md5 = Digest::MD5::md5_hex $data; 2651 my $md5 = Digest::MD5::md5_hex $data;
2430 my $meta = "$RANDOMDIR/$md5.meta"; 2652 my $meta = "$RANDOMDIR/$md5.meta";
2431 2653
2432 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2654 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2433 aio_write $fh, 0, (length $data), $data, 0; 2655 aio_write $fh, 0, (length $data), $data, 0;
2434 undef $fh; 2656 undef $fh;
2435 aio_rename "$meta~", $meta; 2657 aio_rename "$meta~", $meta;
2436 2658
2659 my $slaying = "?random/$md5";
2660
2661 if ($exit->valid) {
2437 $exit->slaying ("?random/$md5"); 2662 $exit->slaying ("?random/$md5");
2438 $exit->msg (undef); 2663 $exit->msg (undef);
2664 }
2439 } 2665 }
2440} 2666}
2441 2667
2442sub cf::object::player::enter_exit { 2668sub cf::object::player::enter_exit {
2443 my ($self, $exit) = @_; 2669 my ($self, $exit) = @_;
2444 2670
2445 return unless $self->type == cf::PLAYER; 2671 return unless $self->type == cf::PLAYER;
2446 2672
2447 if ($exit->slaying eq "/!") {
2448 #TODO: this should de-fi-ni-te-ly not be a sync-job
2449 # the problem is that $exit might not survive long enough
2450 # so it needs to be done right now, right here
2451 cf::sync_job { prepare_random_map $exit };
2452 }
2453
2454 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2455 my $hp = $exit->stats->hp;
2456 my $sp = $exit->stats->sp;
2457
2458 $self->enter_link; 2673 $self->enter_link;
2459 2674
2460 # if exit is damned, update players death & WoR home-position
2461 $self->contr->savebed ($slaying, $hp, $sp)
2462 if $exit->flag (FLAG_DAMNED);
2463
2464 (async { 2675 (async {
2465 $self->deactivate_recursive; # just to be sure 2676 $Coro::current->{desc} = "enter_exit";
2677
2466 unless (eval { 2678 unless (eval {
2679 $self->deactivate_recursive; # just to be sure
2680
2681 # random map handling
2682 {
2683 my $guard = cf::lock_acquire "exit_prepare:$exit";
2684
2685 prepare_random_map $exit
2686 if $exit->slaying eq "/!";
2687 }
2688
2689 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2690 my $x = $exit->stats->hp;
2691 my $y = $exit->stats->sp;
2692
2467 $self->goto ($slaying, $hp, $sp); 2693 $self->goto ($map, $x, $y);
2468 2694
2695 # if exit is damned, update players death & WoR home-position
2696 $self->contr->savebed ($map, $x, $y)
2697 if $exit->flag (cf::FLAG_DAMNED);
2698
2469 1; 2699 1
2470 }) { 2700 }) {
2471 $self->message ("Something went wrong deep within the crossfire server. " 2701 $self->message ("Something went wrong deep within the deliantra server. "
2472 . "I'll try to bring you back to the map you were before. " 2702 . "I'll try to bring you back to the map you were before. "
2473 . "Please report this to the dungeon master!", 2703 . "Please report this to the dungeon master!",
2474 cf::NDI_UNIQUE | cf::NDI_RED); 2704 cf::NDI_UNIQUE | cf::NDI_RED);
2475 2705
2476 warn "ERROR in enter_exit: $@"; 2706 warn "ERROR in enter_exit: $@";
2504the message, with C<log> being the default. If C<$color> is negative, suppress 2734the message, with C<log> being the default. If C<$color> is negative, suppress
2505the message unless the client supports the msg packet. 2735the message unless the client supports the msg packet.
2506 2736
2507=cut 2737=cut
2508 2738
2739# non-persistent channels (usually the info channel)
2740our %CHANNEL = (
2741 "c/identify" => {
2742 id => "infobox",
2743 title => "Identify",
2744 reply => undef,
2745 tooltip => "Items recently identified",
2746 },
2747 "c/examine" => {
2748 id => "infobox",
2749 title => "Examine",
2750 reply => undef,
2751 tooltip => "Signs and other items you examined",
2752 },
2753 "c/book" => {
2754 id => "infobox",
2755 title => "Book",
2756 reply => undef,
2757 tooltip => "The contents of a note or book",
2758 },
2759 "c/lookat" => {
2760 id => "infobox",
2761 title => "Look",
2762 reply => undef,
2763 tooltip => "What you saw there",
2764 },
2765 "c/who" => {
2766 id => "infobox",
2767 title => "Players",
2768 reply => undef,
2769 tooltip => "Shows players who are currently online",
2770 },
2771 "c/body" => {
2772 id => "infobox",
2773 title => "Body Parts",
2774 reply => undef,
2775 tooltip => "Shows which body parts you posess and are available",
2776 },
2777 "c/skills" => {
2778 id => "infobox",
2779 title => "Skills",
2780 reply => undef,
2781 tooltip => "Shows your experience per skill and item power",
2782 },
2783 "c/uptime" => {
2784 id => "infobox",
2785 title => "Uptime",
2786 reply => undef,
2787 tooltip => "How long the server has been running since last restart",
2788 },
2789 "c/mapinfo" => {
2790 id => "infobox",
2791 title => "Map Info",
2792 reply => undef,
2793 tooltip => "Information related to the maps",
2794 },
2795 "c/party" => {
2796 id => "party",
2797 title => "Party",
2798 reply => "gsay ",
2799 tooltip => "Messages and chat related to your party",
2800 },
2801);
2802
2509sub cf::client::send_msg { 2803sub cf::client::send_msg {
2510 my ($self, $channel, $msg, $color, @extra) = @_; 2804 my ($self, $channel, $msg, $color, @extra) = @_;
2511 2805
2512 $msg = $self->pl->expand_cfpod ($msg); 2806 $msg = $self->pl->expand_cfpod ($msg)
2807 unless $color & cf::NDI_VERBATIM;
2513 2808
2514 $color &= cf::NDI_CLIENT_MASK; # just in case... 2809 $color &= cf::NDI_CLIENT_MASK; # just in case...
2515 2810
2811 # check predefined channels, for the benefit of C
2812 if ($CHANNEL{$channel}) {
2813 $channel = $CHANNEL{$channel};
2814
2815 $self->ext_msg (channel_info => $channel)
2816 if $self->can_msg;
2817
2818 $channel = $channel->{id};
2819
2516 if (ref $channel) { 2820 } elsif (ref $channel) {
2517 # send meta info to client, if not yet sent 2821 # send meta info to client, if not yet sent
2518 unless (exists $self->{channel}{$channel->{id}}) { 2822 unless (exists $self->{channel}{$channel->{id}}) {
2519 $self->{channel}{$channel->{id}} = $channel; 2823 $self->{channel}{$channel->{id}} = $channel;
2520 $self->ext_msg (channel_info => $channel); 2824 $self->ext_msg (channel_info => $channel)
2825 if $self->can_msg;
2521 } 2826 }
2522 2827
2523 $channel = $channel->{id}; 2828 $channel = $channel->{id};
2524 } 2829 }
2525 2830
2528 if ($self->can_msg) { 2833 if ($self->can_msg) {
2529 # default colour, mask it out 2834 # default colour, mask it out
2530 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 2835 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2531 if $color & cf::NDI_DEF; 2836 if $color & cf::NDI_DEF;
2532 2837
2533 $self->send_packet ("msg " . $self->{json_coder}->encode ( 2838 my $pkt = "msg "
2839 . $self->{json_coder}->encode (
2534 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 2840 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2841 );
2842
2843 # try lzf for large packets
2844 $pkt = "lzf " . Compress::LZF::compress $pkt
2845 if 1024 <= length $pkt and $self->{can_lzf};
2846
2847 # split very large packets
2848 if (8192 < length $pkt and $self->{can_lzf}) {
2849 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2850 $pkt = "frag";
2851 }
2852
2853 $self->send_packet ($pkt);
2535 } else { 2854 } else {
2536 if ($color >= 0) { 2855 if ($color >= 0) {
2537 # replace some tags by gcfclient-compatible ones 2856 # replace some tags by gcfclient-compatible ones
2538 for ($msg) { 2857 for ($msg) {
2539 1 while 2858 1 while
2737=pod 3056=pod
2738 3057
2739The following functions and methods are available within a safe environment: 3058The following functions and methods are available within a safe environment:
2740 3059
2741 cf::object 3060 cf::object
2742 contr pay_amount pay_player map x y force_find force_add 3061 contr pay_amount pay_player map x y force_find force_add destroy
2743 insert remove name archname title slaying race decrease_ob_nr 3062 insert remove name archname title slaying race decrease split
2744 3063
2745 cf::object::player 3064 cf::object::player
2746 player 3065 player
2747 3066
2748 cf::player 3067 cf::player
2753 3072
2754=cut 3073=cut
2755 3074
2756for ( 3075for (
2757 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3076 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2758 insert remove inv name archname title slaying race 3077 insert remove inv nrof name archname title slaying race
2759 decrease_ob_nr)], 3078 decrease split destroy change_exp)],
2760 ["cf::object::player" => qw(player)], 3079 ["cf::object::player" => qw(player)],
2761 ["cf::player" => qw(peaceful)], 3080 ["cf::player" => qw(peaceful)],
2762 ["cf::map" => qw(trigger)], 3081 ["cf::map" => qw(trigger)],
2763) { 3082) {
2764 no strict 'refs'; 3083 no strict 'refs';
2869 { 3188 {
2870 my $faces = $facedata->{faceinfo}; 3189 my $faces = $facedata->{faceinfo};
2871 3190
2872 while (my ($face, $info) = each %$faces) { 3191 while (my ($face, $info) = each %$faces) {
2873 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3192 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3193
2874 cf::face::set_visibility $idx, $info->{visibility}; 3194 cf::face::set_visibility $idx, $info->{visibility};
2875 cf::face::set_magicmap $idx, $info->{magicmap}; 3195 cf::face::set_magicmap $idx, $info->{magicmap};
2876 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3196 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2877 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3197 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2878 3198
2879 cf::cede_to_tick; 3199 cf::cede_to_tick;
2880 } 3200 }
2881 3201
2882 while (my ($face, $info) = each %$faces) { 3202 while (my ($face, $info) = each %$faces) {
2883 next unless $info->{smooth}; 3203 next unless $info->{smooth};
3204
2884 my $idx = cf::face::find $face 3205 my $idx = cf::face::find $face
2885 or next; 3206 or next;
3207
2886 if (my $smooth = cf::face::find $info->{smooth}) { 3208 if (my $smooth = cf::face::find $info->{smooth}) {
2887 cf::face::set_smooth $idx, $smooth; 3209 cf::face::set_smooth $idx, $smooth;
2888 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3210 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2889 } else { 3211 } else {
2890 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3212 warn "smooth face '$info->{smooth}' not found for face '$face'";
2908 { 3230 {
2909 # TODO: for gcfclient pleasure, we should give resources 3231 # TODO: for gcfclient pleasure, we should give resources
2910 # that gcfclient doesn't grok a >10000 face index. 3232 # that gcfclient doesn't grok a >10000 face index.
2911 my $res = $facedata->{resource}; 3233 my $res = $facedata->{resource};
2912 3234
2913 my $soundconf = delete $res->{"res/sound.conf"};
2914
2915 while (my ($name, $info) = each %$res) { 3235 while (my ($name, $info) = each %$res) {
3236 if (defined $info->{type}) {
2916 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3237 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2917 my $data; 3238 my $data;
2918 3239
2919 if ($info->{type} & 1) { 3240 if ($info->{type} & 1) {
2920 # prepend meta info 3241 # prepend meta info
2921 3242
2922 my $meta = $enc->encode ({ 3243 my $meta = $enc->encode ({
2923 name => $name, 3244 name => $name,
2924 %{ $info->{meta} || {} }, 3245 %{ $info->{meta} || {} },
2925 }); 3246 });
2926 3247
2927 $data = pack "(w/a*)*", $meta, $info->{data}; 3248 $data = pack "(w/a*)*", $meta, $info->{data};
3249 } else {
3250 $data = $info->{data};
3251 }
3252
3253 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3254 cf::face::set_type $idx, $info->{type};
2928 } else { 3255 } else {
2929 $data = $info->{data}; 3256 $RESOURCE{$name} = $info;
2930 } 3257 }
2931 3258
2932 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2933 cf::face::set_type $idx, $info->{type};
2934
2935 cf::cede_to_tick; 3259 cf::cede_to_tick;
2936 } 3260 }
2937
2938 if ($soundconf) {
2939 $soundconf = $enc->decode (delete $soundconf->{data});
2940
2941 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2942 my $sound = $soundconf->{compat}[$_]
2943 or next;
2944
2945 my $face = cf::face::find "sound/$sound->[1]";
2946 cf::sound::set $sound->[0] => $face;
2947 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2948 }
2949
2950 while (my ($k, $v) = each %{$soundconf->{event}}) {
2951 my $face = cf::face::find "sound/$v";
2952 cf::sound::set $k => $face;
2953 }
2954 }
2955 } 3261 }
3262
3263 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2956 3264
2957 1 3265 1
2958} 3266}
3267
3268cf::global->attach (on_resource_update => sub {
3269 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3270 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3271
3272 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3273 my $sound = $soundconf->{compat}[$_]
3274 or next;
3275
3276 my $face = cf::face::find "sound/$sound->[1]";
3277 cf::sound::set $sound->[0] => $face;
3278 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3279 }
3280
3281 while (my ($k, $v) = each %{$soundconf->{event}}) {
3282 my $face = cf::face::find "sound/$v";
3283 cf::sound::set $k => $face;
3284 }
3285 }
3286});
2959 3287
2960register_exticmd fx_want => sub { 3288register_exticmd fx_want => sub {
2961 my ($ns, $want) = @_; 3289 my ($ns, $want) = @_;
2962 3290
2963 while (my ($k, $v) = each %$want) { 3291 while (my ($k, $v) = each %$want) {
2964 $ns->fx_want ($k, $v); 3292 $ns->fx_want ($k, $v);
2965 } 3293 }
2966}; 3294};
3295
3296sub load_resource_file($) {
3297 my $guard = lock_acquire "load_resource_file";
3298
3299 my $status = load_resource_file_ $_[0];
3300 get_slot 0.1, 100;
3301 cf::arch::commit_load;
3302
3303 $status
3304}
2967 3305
2968sub reload_regions { 3306sub reload_regions {
2969 # HACK to clear player env face cache, we need some signal framework 3307 # HACK to clear player env face cache, we need some signal framework
2970 # for this (global event?) 3308 # for this (global event?)
2971 %ext::player_env::MUSIC_FACE_CACHE = (); 3309 %ext::player_env::MUSIC_FACE_CACHE = ();
2985} 3323}
2986 3324
2987sub reload_archetypes { 3325sub reload_archetypes {
2988 load_resource_file "$DATADIR/archetypes" 3326 load_resource_file "$DATADIR/archetypes"
2989 or die "unable to load archetypes\n"; 3327 or die "unable to load archetypes\n";
2990 #d# NEED to laod twice to resolve forward references
2991 # this really needs to be done in an extra post-pass
2992 # (which needs to be synchronous, so solve it differently)
2993 load_resource_file "$DATADIR/archetypes"
2994 or die "unable to load archetypes\n";
2995} 3328}
2996 3329
2997sub reload_treasures { 3330sub reload_treasures {
2998 load_resource_file "$DATADIR/treasures" 3331 load_resource_file "$DATADIR/treasures"
2999 or die "unable to load treasurelists\n"; 3332 or die "unable to load treasurelists\n";
3000} 3333}
3001 3334
3002sub reload_resources { 3335sub reload_resources {
3003 warn "reloading resource files...\n"; 3336 warn "reloading resource files...\n";
3004 3337
3338 reload_facedata;
3339 reload_archetypes;
3005 reload_regions; 3340 reload_regions;
3006 reload_facedata;
3007 #reload_archetypes;#d#
3008 reload_archetypes;
3009 reload_treasures; 3341 reload_treasures;
3010 3342
3011 warn "finished reloading resource files\n"; 3343 warn "finished reloading resource files\n";
3012} 3344}
3013 3345
3014sub init { 3346sub init {
3347 my $guard = freeze_mainloop;
3348
3349 evthread_start IO::AIO::poll_fileno;
3350
3015 reload_resources; 3351 reload_resources;
3016} 3352}
3017 3353
3018sub reload_config { 3354sub reload_config {
3019 open my $fh, "<:utf8", "$CONFDIR/config" 3355 open my $fh, "<:utf8", "$CONFDIR/config"
3020 or return; 3356 or return;
3021 3357
3022 local $/; 3358 local $/;
3023 *CFG = YAML::Syck::Load <$fh>; 3359 *CFG = YAML::Load <$fh>;
3024 3360
3025 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3361 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3026 3362
3027 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3363 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3028 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3364 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3034 }; 3370 };
3035 warn $@ if $@; 3371 warn $@ if $@;
3036 } 3372 }
3037} 3373}
3038 3374
3375sub pidfile() {
3376 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3377 or die "$PIDFILE: $!";
3378 flock $fh, &Fcntl::LOCK_EX
3379 or die "$PIDFILE: flock: $!";
3380 $fh
3381}
3382
3383# make sure only one server instance is running at any one time
3384sub atomic {
3385 my $fh = pidfile;
3386
3387 my $pid = <$fh>;
3388 kill 9, $pid if $pid > 0;
3389
3390 seek $fh, 0, 0;
3391 print $fh $$;
3392}
3393
3039sub main { 3394sub main {
3395 atomic;
3396
3040 # we must not ever block the main coroutine 3397 # we must not ever block the main coroutine
3041 local $Coro::idle = sub { 3398 local $Coro::idle = sub {
3042 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3399 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3043 (async { 3400 (async {
3044 Event::one_event; 3401 $Coro::current->{desc} = "IDLE BUG HANDLER";
3402 EV::loop EV::LOOP_ONESHOT;
3045 })->prio (Coro::PRIO_MAX); 3403 })->prio (Coro::PRIO_MAX);
3046 }; 3404 };
3047 3405
3406 {
3407 my $guard = freeze_mainloop;
3048 reload_config; 3408 reload_config;
3049 db_init; 3409 db_init;
3050 load_extensions; 3410 load_extensions;
3051 3411
3052 $TICK_WATCHER->start; 3412 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3413 }
3414
3415 utime time, time, $RUNTIMEFILE;
3416
3417 # no (long-running) fork's whatsoever before this point(!)
3418 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3419
3053 Event::loop; 3420 EV::loop;
3054} 3421}
3055 3422
3056############################################################################# 3423#############################################################################
3057# initialisation and cleanup 3424# initialisation and cleanup
3058 3425
3059# install some emergency cleanup handlers 3426# install some emergency cleanup handlers
3060BEGIN { 3427BEGIN {
3428 our %SIGWATCHER = ();
3061 for my $signal (qw(INT HUP TERM)) { 3429 for my $signal (qw(INT HUP TERM)) {
3062 Event->signal ( 3430 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3063 reentrant => 0,
3064 data => WF_AUTOCANCEL,
3065 signal => $signal,
3066 prio => 0,
3067 cb => sub {
3068 cf::cleanup "SIG$signal"; 3431 cf::cleanup "SIG$signal";
3069 },
3070 ); 3432 };
3071 } 3433 }
3072} 3434}
3073 3435
3074sub write_runtime { 3436sub write_runtime_sync {
3075 my $runtime = "$LOCALDIR/runtime";
3076
3077 # first touch the runtime file to show we are still running: 3437 # first touch the runtime file to show we are still running:
3078 # the fsync below can take a very very long time. 3438 # the fsync below can take a very very long time.
3079 3439
3080 IO::AIO::aio_utime $runtime, undef, undef; 3440 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3081 3441
3082 my $guard = cf::lock_acquire "write_runtime"; 3442 my $guard = cf::lock_acquire "write_runtime";
3083 3443
3084 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3444 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3085 or return; 3445 or return;
3086 3446
3087 my $value = $cf::RUNTIME + 90 + 10; 3447 my $value = $cf::RUNTIME + 90 + 10;
3088 # 10 is the runtime save interval, for a monotonic clock 3448 # 10 is the runtime save interval, for a monotonic clock
3089 # 60 allows for the watchdog to kill the server. 3449 # 60 allows for the watchdog to kill the server.
3099 aio_utime $fh, undef, undef; 3459 aio_utime $fh, undef, undef;
3100 3460
3101 close $fh 3461 close $fh
3102 or return; 3462 or return;
3103 3463
3104 aio_rename "$runtime~", $runtime 3464 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3105 and return; 3465 and return;
3106 3466
3107 warn "runtime file written.\n"; 3467 warn "runtime file written.\n";
3108 3468
3109 1 3469 1
3470}
3471
3472our $uuid_lock;
3473our $uuid_skip;
3474
3475sub write_uuid_sync($) {
3476 $uuid_skip ||= $_[0];
3477
3478 return if $uuid_lock;
3479 local $uuid_lock = 1;
3480
3481 my $uuid = "$LOCALDIR/uuid";
3482
3483 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3484 or return;
3485
3486 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3487 $uuid_skip = 0;
3488
3489 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3490 and return;
3491
3492 # always fsync - this file is important
3493 aio_fsync $fh
3494 and return;
3495
3496 close $fh
3497 or return;
3498
3499 aio_rename "$uuid~", $uuid
3500 and return;
3501
3502 warn "uuid file written ($value).\n";
3503
3504 1
3505
3506}
3507
3508sub write_uuid($$) {
3509 my ($skip, $sync) = @_;
3510
3511 $sync ? write_uuid_sync $skip
3512 : async { write_uuid_sync $skip };
3110} 3513}
3111 3514
3112sub emergency_save() { 3515sub emergency_save() {
3113 my $freeze_guard = cf::freeze_mainloop; 3516 my $freeze_guard = cf::freeze_mainloop;
3114 3517
3120 # and maps saved/destroyed asynchronously. 3523 # and maps saved/destroyed asynchronously.
3121 warn "begin emergency player save\n"; 3524 warn "begin emergency player save\n";
3122 for my $login (keys %cf::PLAYER) { 3525 for my $login (keys %cf::PLAYER) {
3123 my $pl = $cf::PLAYER{$login} or next; 3526 my $pl = $cf::PLAYER{$login} or next;
3124 $pl->valid or next; 3527 $pl->valid or next;
3528 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3125 $pl->save; 3529 $pl->save;
3126 } 3530 }
3127 warn "end emergency player save\n"; 3531 warn "end emergency player save\n";
3128 3532
3129 warn "begin emergency map save\n"; 3533 warn "begin emergency map save\n";
3135 warn "end emergency map save\n"; 3539 warn "end emergency map save\n";
3136 3540
3137 warn "begin emergency database checkpoint\n"; 3541 warn "begin emergency database checkpoint\n";
3138 BDB::db_env_txn_checkpoint $DB_ENV; 3542 BDB::db_env_txn_checkpoint $DB_ENV;
3139 warn "end emergency database checkpoint\n"; 3543 warn "end emergency database checkpoint\n";
3544
3545 warn "begin write uuid\n";
3546 write_uuid_sync 1;
3547 warn "end write uuid\n";
3140 }; 3548 };
3141 3549
3142 warn "leave emergency perl save\n"; 3550 warn "leave emergency perl save\n";
3143} 3551}
3144 3552
3145sub post_cleanup { 3553sub post_cleanup {
3146 my ($make_core) = @_; 3554 my ($make_core) = @_;
3147 3555
3148 warn Carp::longmess "post_cleanup backtrace" 3556 warn Carp::longmess "post_cleanup backtrace"
3149 if $make_core; 3557 if $make_core;
3558
3559 my $fh = pidfile;
3560 unlink $PIDFILE if <$fh> == $$;
3561}
3562
3563# a safer delete_package, copied from Symbol
3564sub clear_package($) {
3565 my $pkg = shift;
3566
3567 # expand to full symbol table name if needed
3568 unless ($pkg =~ /^main::.*::$/) {
3569 $pkg = "main$pkg" if $pkg =~ /^::/;
3570 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3571 $pkg .= '::' unless $pkg =~ /::$/;
3572 }
3573
3574 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3575 my $stem_symtab = *{$stem}{HASH};
3576
3577 defined $stem_symtab and exists $stem_symtab->{$leaf}
3578 or return;
3579
3580 # clear all symbols
3581 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3582 for my $name (keys %$leaf_symtab) {
3583 _gv_clear *{"$pkg$name"};
3584# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3585 }
3586 warn "cleared package $pkg\n";#d#
3150} 3587}
3151 3588
3152sub do_reload_perl() { 3589sub do_reload_perl() {
3153 # can/must only be called in main 3590 # can/must only be called in main
3154 if ($Coro::current != $Coro::main) { 3591 if ($Coro::current != $Coro::main) {
3155 warn "can only reload from main coroutine"; 3592 warn "can only reload from main coroutine";
3156 return; 3593 return;
3157 } 3594 }
3158 3595
3596 return if $RELOAD++;
3597
3598 while ($RELOAD) {
3159 warn "reloading..."; 3599 warn "reloading...";
3160 3600
3161 warn "entering sync_job"; 3601 warn "entering sync_job";
3162 3602
3163 cf::sync_job { 3603 cf::sync_job {
3164 cf::write_runtime; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
3165 cf::emergency_save; 3605 cf::emergency_save;
3166 cf::write_runtime; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
3167 3607
3168 warn "syncing database to disk"; 3608 warn "syncing database to disk";
3169 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
3170 3610
3171 # if anything goes wrong in here, we should simply crash as we already saved 3611 # if anything goes wrong in here, we should simply crash as we already saved
3172 3612
3173 warn "cancelling all WF_AUTOCANCEL watchers";
3174 for (Event::all_watchers) {
3175 $_->cancel if $_->data & WF_AUTOCANCEL;
3176 }
3177
3178 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
3179 for (;;) {
3180 BDB::flush;
3181 IO::AIO::flush;
3182 Coro::cede;
3183 last unless IO::AIO::nreqs || BDB::nreqs; 3614 while (IO::AIO::nreqs || BDB::nreqs) {
3184 warn "iterate..."; 3615 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3185 }
3186
3187 ++$RELOAD;
3188
3189 warn "cancelling all extension coros";
3190 $_->cancel for values %EXT_CORO;
3191 %EXT_CORO = ();
3192
3193 warn "removing commands";
3194 %COMMAND = ();
3195
3196 warn "removing ext/exti commands";
3197 %EXTCMD = ();
3198 %EXTICMD = ();
3199
3200 warn "unloading/nuking all extensions";
3201 for my $pkg (@EXTS) {
3202 warn "... unloading $pkg";
3203
3204 if (my $cb = $pkg->can ("unload")) {
3205 eval {
3206 $cb->($pkg);
3207 1
3208 } or warn "$pkg unloaded, but with errors: $@";
3209 } 3616 }
3210 3617
3211 warn "... nuking $pkg"; 3618 warn "cancelling all extension coros";
3212 Symbol::delete_package $pkg; 3619 $_->cancel for values %EXT_CORO;
3213 } 3620 %EXT_CORO = ();
3214 3621
3215 warn "unloading all perl modules loaded from $LIBDIR"; 3622 warn "removing commands";
3216 while (my ($k, $v) = each %INC) { 3623 %COMMAND = ();
3217 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3218 3624
3625 warn "removing ext/exti commands";
3626 %EXTCMD = ();
3627 %EXTICMD = ();
3628
3629 warn "unloading/nuking all extensions";
3630 for my $pkg (@EXTS) {
3219 warn "... unloading $k"; 3631 warn "... unloading $pkg";
3220 delete $INC{$k};
3221 3632
3222 $k =~ s/\.pm$//;
3223 $k =~ s/\//::/g;
3224
3225 if (my $cb = $k->can ("unload_module")) { 3633 if (my $cb = $pkg->can ("unload")) {
3634 eval {
3226 $cb->(); 3635 $cb->($pkg);
3636 1
3637 } or warn "$pkg unloaded, but with errors: $@";
3638 }
3639
3640 warn "... clearing $pkg";
3641 clear_package $pkg;
3227 } 3642 }
3228 3643
3229 Symbol::delete_package $k; 3644 warn "unloading all perl modules loaded from $LIBDIR";
3645 while (my ($k, $v) = each %INC) {
3646 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647
3648 warn "... unloading $k";
3649 delete $INC{$k};
3650
3651 $k =~ s/\.pm$//;
3652 $k =~ s/\//::/g;
3653
3654 if (my $cb = $k->can ("unload_module")) {
3655 $cb->();
3656 }
3657
3658 clear_package $k;
3230 } 3659 }
3231 3660
3232 warn "getting rid of safe::, as good as possible"; 3661 warn "getting rid of safe::, as good as possible";
3233 Symbol::delete_package "safe::$_" 3662 clear_package "safe::$_"
3234 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3663 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3235 3664
3236 warn "unloading cf.pm \"a bit\""; 3665 warn "unloading cf.pm \"a bit\"";
3237 delete $INC{"cf.pm"}; 3666 delete $INC{"cf.pm"};
3238 delete $INC{"cf/pod.pm"}; 3667 delete $INC{"cf/pod.pm"};
3239 3668
3240 # don't, removes xs symbols, too, 3669 # don't, removes xs symbols, too,
3241 # and global variables created in xs 3670 # and global variables created in xs
3242 #Symbol::delete_package __PACKAGE__; 3671 #clear_package __PACKAGE__;
3243 3672
3244 warn "unload completed, starting to reload now"; 3673 warn "unload completed, starting to reload now";
3245 3674
3246 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
3247 require cf; 3676 require cf;
3248 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3249 3678
3250 warn "loading config and database again"; 3679 warn "loading config and database again";
3251 cf::reload_config; 3680 cf::reload_config;
3252 3681
3253 warn "loading extensions"; 3682 warn "loading extensions";
3254 cf::load_extensions; 3683 cf::load_extensions;
3255 3684
3256 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
3257 _global_reattach; # objects, sockets 3686 _global_reattach; # objects, sockets
3258 warn "reattaching attachments to maps"; 3687 warn "reattaching attachments to maps";
3259 reattach $_ for values %MAP; 3688 reattach $_ for values %MAP;
3260 warn "reattaching attachments to players"; 3689 warn "reattaching attachments to players";
3261 reattach $_ for values %PLAYER; 3690 reattach $_ for values %PLAYER;
3262 3691
3263 warn "leaving sync_job"; 3692 warn "leaving sync_job";
3264 3693
3265 1 3694 1
3266 } or do { 3695 } or do {
3267 warn $@; 3696 warn $@;
3268 warn "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
3269 exit 1;
3270 }; 3698 };
3271 3699
3272 warn "reloaded"; 3700 warn "reloaded";
3701 --$RELOAD;
3702 }
3273}; 3703};
3274 3704
3275our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
3276 3706
3277sub reload_perl() { 3707sub reload_perl() {
3278 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
3279 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
3280 3710
3281 $RELOAD_WATCHER ||= Event->timer ( 3711 $RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3282 reentrant => 0,
3283 after => 0,
3284 data => WF_AUTOCANCEL,
3285 cb => sub {
3286 do_reload_perl; 3712 do_reload_perl;
3287 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
3288 },
3289 ); 3714 };
3290} 3715}
3291 3716
3292register_command "reload" => sub { 3717register_command "reload" => sub {
3293 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
3294 3719
3295 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
3296 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
3722 async {
3723 $Coro::current->{desc} = "perl_reload";
3297 async { reload_perl }; 3724 reload_perl;
3725 };
3298 } 3726 }
3299}; 3727};
3300 3728
3301unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
3302 3730
3304 3732
3305our @WAIT_FOR_TICK; 3733our @WAIT_FOR_TICK;
3306our @WAIT_FOR_TICK_BEGIN; 3734our @WAIT_FOR_TICK_BEGIN;
3307 3735
3308sub wait_for_tick { 3736sub wait_for_tick {
3309 return unless $TICK_WATCHER->is_active;
3310 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
3311 3738
3312 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
3313 push @WAIT_FOR_TICK, $signal; 3740 push @WAIT_FOR_TICK, $signal;
3314 $signal->wait; 3741 $signal->wait;
3315} 3742}
3316 3743
3317sub wait_for_tick_begin { 3744sub wait_for_tick_begin {
3318 return unless $TICK_WATCHER->is_active;
3319 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
3320 3746
3321 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
3322 push @WAIT_FOR_TICK_BEGIN, $signal; 3748 push @WAIT_FOR_TICK_BEGIN, $signal;
3323 $signal->wait; 3749 $signal->wait;
3324} 3750}
3325 3751
3326 my $min = 1e6;#d# 3752sub tick {
3327 my $avg = 10;
3328$TICK_WATCHER = Event->timer (
3329 reentrant => 0,
3330 parked => 1,
3331 prio => 0,
3332 at => $NEXT_TICK || $TICK,
3333 data => WF_AUTOCANCEL,
3334 cb => sub {
3335 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
3336 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3337 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
3338 return; 3756 return;
3339 } 3757 }
3340 3758
3341 $NOW = $tick_start = Event::time;
3342
3343 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
3344 3760
3345 0 && sync_job {#d# 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3346 for(1..10) { 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3347 my $t = Event::time; 3763 Coro::async_pool {
3348 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3764 $Coro::current->{desc} = "runtime saver";
3349 or die; 3765 write_runtime_sync
3350 3766 or warn "ERROR: unable to write runtime file: $!";
3351 $map->width (50);
3352 $map->height (50);
3353 $map->alloc;
3354 $map->_load_objects ("/tmp/x.map", 1);
3355 my $t = Event::time - $t;
3356
3357 #next unless $t < 0.0013;#d#
3358 if ($t < $min) {
3359 $min = $t;
3360 }
3361 $avg = $avg * 0.99 + $t * 0.01;
3362 }
3363 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3364 exit 0;
3365 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3366 }; 3767 };
3768 }
3367 3769
3368 $RUNTIME += $TICK;
3369 $NEXT_TICK += $TICK;
3370
3371 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3372 $NEXT_RUNTIME_WRITE = $NOW + 10;
3373 Coro::async_pool {
3374 write_runtime
3375 or warn "ERROR: unable to write runtime file: $!";
3376 };
3377 }
3378
3379# my $AFTER = Event::time;
3380# warn $AFTER - $NOW;#d#
3381
3382 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3383 $sig->send; 3771 $sig->send;
3384 } 3772 }
3385 while (my $sig = shift @WAIT_FOR_TICK) { 3773 while (my $sig = shift @WAIT_FOR_TICK) {
3386 $sig->send; 3774 $sig->send;
3387 } 3775 }
3388 3776
3389 $NOW = Event::time; 3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3390
3391 # if we are delayed by four ticks or more, skip them all
3392 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3393
3394 $TICK_WATCHER->at ($NEXT_TICK);
3395 $TICK_WATCHER->start;
3396
3397 $LOAD = ($NOW - $tick_start) / $TICK;
3398 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3399 3779
3400 _post_tick; 3780 if (0) {
3401 3781 if ($NEXT_TICK) {
3402 3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3403 }, 3786 }
3404); 3787}
3405 3788
3406{ 3789{
3407 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
3408 $BDB_POLL_WATCHER = Event->io ( 3791
3409 reentrant => 0,
3410 fd => BDB::poll_fileno,
3411 poll => 'r',
3412 prio => 0,
3413 data => WF_AUTOCANCEL,
3414 cb => \&BDB::poll_cb,
3415 );
3416 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
3417 3793 BDB::max_poll_reqs $TICK * 0.1;
3418 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
3419 my $status;
3420 my $current = $Coro::current;
3421 (
3422 sub {
3423 $status = $!;
3424 $current->ready; undef $current;
3425 },
3426 sub {
3427 Coro::schedule while defined $current;
3428 $! = $status;
3429 },
3430 )
3431 };
3432 3795
3433 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
3434 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3800 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3801 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3802 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3435 3803
3436 cf::sync_job { 3804 cf::sync_job {
3437 eval { 3805 eval {
3438 BDB::db_env_open 3806 BDB::db_env_open
3439 $DB_ENV, 3807 $DB_ENV,
3441 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3809 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3442 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3810 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3443 0666; 3811 0666;
3444 3812
3445 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3813 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3446
3447 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3448 $DB_ENV->set_lk_detect;
3449 }; 3814 };
3450 3815
3451 cf::cleanup "db_env_open(db): $@" if $@; 3816 cf::cleanup "db_env_open(db): $@" if $@;
3452 }; 3817 };
3453 } 3818 }
3819
3820 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3821 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3822 };
3823 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3824 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3825 };
3826 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3827 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3828 };
3454} 3829}
3455 3830
3456{ 3831{
3832 # configure IO::AIO
3833
3457 IO::AIO::min_parallel 8; 3834 IO::AIO::min_parallel 8;
3458
3459 undef $Coro::AIO::WATCHER;
3460 IO::AIO::max_poll_time $TICK * 0.1; 3835 IO::AIO::max_poll_time $TICK * 0.1;
3461 $AIO_POLL_WATCHER = Event->io ( 3836 undef $AnyEvent::AIO::WATCHER;
3462 reentrant => 0,
3463 data => WF_AUTOCANCEL,
3464 fd => IO::AIO::poll_fileno,
3465 poll => 'r',
3466 prio => 6,
3467 cb => \&IO::AIO::poll_cb,
3468 );
3469} 3837}
3470 3838
3471my $_log_backtrace; 3839my $_log_backtrace;
3472 3840
3473sub _log_backtrace { 3841sub _log_backtrace {
3476 $msg =~ s/\n//; 3844 $msg =~ s/\n//;
3477 3845
3478 # limit the # of concurrent backtraces 3846 # limit the # of concurrent backtraces
3479 if ($_log_backtrace < 2) { 3847 if ($_log_backtrace < 2) {
3480 ++$_log_backtrace; 3848 ++$_log_backtrace;
3849 my $perl_bt = Carp::longmess $msg;
3481 async { 3850 async {
3851 $Coro::current->{desc} = "abt $msg";
3852
3482 my @bt = fork_call { 3853 my @bt = fork_call {
3483 @addr = map { sprintf "%x", $_ } @addr; 3854 @addr = map { sprintf "%x", $_ } @addr;
3484 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3855 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3485 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3856 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3486 or die "addr2line: $!"; 3857 or die "addr2line: $!";
3494 } 3865 }
3495 3866
3496 @funcs 3867 @funcs
3497 }; 3868 };
3498 3869
3499 LOG llevInfo, "[ABT] $msg\n"; 3870 LOG llevInfo, "[ABT] $perl_bt\n";
3871 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3500 LOG llevInfo, "[ABT] $_\n" for @bt; 3872 LOG llevInfo, "[ABT] $_\n" for @bt;
3501 --$_log_backtrace; 3873 --$_log_backtrace;
3502 }; 3874 };
3503 } else { 3875 } else {
3504 LOG llevInfo, "[ABT] $msg\n"; 3876 LOG llevInfo, "[ABT] $msg\n";

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