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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC vs.
Revision 1.424 by root, Sun Apr 20 05:24:55 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
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
71 93
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 97our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
79 99
80our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 104our $DB_ENV;
82 105
83our %CFG; 106our %CFG;
84 107
85our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 109our $RUNTIME;
110our $NOW;
87 111
88our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
91 115
92# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 118
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
98 123
99binmode STDOUT; 124binmode STDOUT;
100binmode STDERR; 125binmode STDERR;
101 126
102# read virtual server time, if available 127# read virtual server time, if available
155 180
156The raw value load value from the last tick. 181The raw value load value from the last tick.
157 182
158=item %cf::CFG 183=item %cf::CFG
159 184
160Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 186from wherever your confdir points to.
162 187
163=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
164 189
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 191returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
169=back 200=back
170 201
171=cut 202=cut
172 203
173BEGIN { 204BEGIN {
177 $msg .= "\n" 208 $msg .= "\n"
178 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
179 210
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 212
182 utf8::encode $msg;
183 LOG llevError, $msg; 213 LOG llevError, $msg;
184 }; 214 };
185} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
186 231
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
203)) { 248)) {
204 no strict 'refs'; 249 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 251}
207 252
208$Event::DIED = sub { 253$EV::DIED = sub {
209 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
210}; 255};
211 256
212############################################################################# 257#############################################################################
213 258
236 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237 $d 282 $d
238 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
239} 284}
240 285
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
244 287
245Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
246 289
247=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
248 291
249Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
250 300
251=item cf::lock_wait $string 301=item cf::lock_wait $string
252 302
253Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
254 304
257Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
258a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
259for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
260returned. 310returned.
261 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
262Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
263uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
264 317
265=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
266 319
267Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
268 321
269=cut 322=cut
270 323
271our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
272 326
273sub lock_wait($) { 327sub lock_wait($) {
274 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
275 334
276 # wait for lock, if any 335 # wait for lock, if any
277 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
278 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
279 Coro::schedule; 338 Coro::schedule;
285 344
286 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
287 lock_wait $key; 346 lock_wait $key;
288 347
289 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
290 350
291 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
292 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
293 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
294 } 355 }
295} 356}
296 357
299 360
300 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
301} 362}
302 363
303sub freeze_mainloop { 364sub freeze_mainloop {
304 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
305 366
306 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
307 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
308 }; 428 }
309 $TICK_WATCHER->stop; 429};
310 $guard 430
431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
311} 443}
312 444
313=item cf::async { BLOCK } 445=item cf::async { BLOCK }
314 446
315Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
320 452
321BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
322 454
323=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
324 456
325The design of Crossfire TRT requires that the main coroutine ($Coro::main) 457The design of Deliantra requires that the main coroutine ($Coro::main)
326is always able to handle events or runnable, as Crossfire TRT is only 458is always able to handle events or runnable, as Deliantra is only
327partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328acceptable. 460acceptable.
329 461
330If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
331the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
336 468
337sub sync_job(&) { 469sub sync_job(&) {
338 my ($job) = @_; 470 my ($job) = @_;
339 471
340 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
341 my $time = Event::time; 473 my $time = EV::time;
342 474
343 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
344 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
345 477
346 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
347 # (but this is cancel-safe) 479
348 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
349 481
350 my $busy = 1; 482 my $busy = 1;
351 my @res; 483 my @res;
352 484
353 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
354 @res = eval { $job->() }; 487 @res = eval { $job->() };
355 warn $@ if $@; 488 warn $@ if $@;
356 undef $busy; 489 undef $busy;
357 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
358 491
359 while ($busy) { 492 while ($busy) {
360 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
361 } 497 }
498 }
362 499
363 $time = Event::time - $time; 500 my $time = EV::time - $time;
364 501
365 LOG llevError | logBacktrace, Carp::longmess "long sync job"
366 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368 $tick_start += $time; # do not account sync jobs to server load 502 $TICK_START += $time; # do not account sync jobs to server load
369 503
370 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
371 } else { 505 } else {
372 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
373 507
398=item fork_call { }, $args 532=item fork_call { }, $args
399 533
400Executes the given code block with the given arguments in a seperate 534Executes the given code block with the given arguments in a seperate
401process, returning the results. Everything must be serialisable with 535process, returning the results. Everything must be serialisable with
402Coro::Storable. May, of course, block. Note that the executed sub may 536Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 537never block itself or use any form of event handling.
404 538
405=cut 539=cut
406 540
407sub fork_call(&@) { 541sub fork_call(&@) {
408 my ($cb, @args) = @_; 542 my ($cb, @args) = @_;
409 543
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 544 # we seemingly have to make a local copy of the whole thing,
411# or die "socketpair: $!"; 545 # otherwise perl prematurely frees the stuff :/
412 pipe my $fh1, my $fh2 546 # TODO: investigate and fix (likely this will be rather laborious)
413 or die "pipe: $!";
414 547
415 if (my $pid = fork) { 548 my @res = Coro::Util::fork_eval {
416 close $fh2;
417
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419 $res = Coro::Storable::thaw $res;
420
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423 die $$res unless "ARRAY" eq ref $res;
424
425 return wantarray ? @$res : $res->[-1];
426 } else {
427 reset_signals; 549 reset_signals;
428 local $SIG{__WARN__}; 550 &$cb
429 local $SIG{__DIE__}; 551 }, @args;
430 eval {
431 close $fh1;
432 552
433 my @res = eval { $cb->(@args) }; 553 wantarray ? @res : $res[-1]
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 554}
435 };
436 555
437 warn $@ if $@; 556=item $coin = coin_from_name $name
438 _exit 0; 557
439 } 558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
440} 581}
441 582
442=item $value = cf::db_get $family => $key 583=item $value = cf::db_get $family => $key
443 584
444Returns a single value from the environment database. 585Returns a single value from the environment database.
446=item cf::db_put $family => $key => $value 587=item cf::db_put $family => $key => $value
447 588
448Stores the given C<$value> in the family. It can currently store binary 589Stores the given C<$value> in the family. It can currently store binary
449data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450 591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
451=cut 597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
610 };
611 cf::cleanup "db_open(db): $@" if $@;
612
613 $db
614}
452 615
453our $DB; 616our $DB;
454 617
455sub db_init { 618sub db_init {
456 unless ($DB) {
457 $DB = BDB::db_create $DB_ENV;
458
459 cf::sync_job { 619 cf::sync_job {
460 eval { 620 $DB ||= db_table "db";
461 $DB->set_flags (BDB::CHKSUM);
462
463 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465 cf::cleanup "db_open(db): $!" if $!;
466 };
467 cf::cleanup "db_open(db): $@" if $@;
468 };
469 } 621 };
470} 622}
471 623
472sub db_get($$) { 624sub db_get($$) {
473 my $key = "$_[0]/$_[1]"; 625 my $key = "$_[0]/$_[1]";
474 626
524 if (1) { 676 if (1) {
525 $md5 = 677 $md5 =
526 join "\x00", 678 join "\x00",
527 $processversion, 679 $processversion,
528 map { 680 map {
529 Coro::cede; 681 cf::cede_to_tick;
530 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
531 } 0.. $#$src; 683 } 0.. $#$src;
532 684
533 685
534 my $dbmd5 = db_get cache => "$id/md5"; 686 my $dbmd5 = db_get cache => "$id/md5";
578attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
579to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
580 732
581In the following description, CLASS can be any of C<global>, C<object> 733In the following description, CLASS can be any of C<global>, C<object>
582C<player>, C<client> or C<map> (i.e. the attachable objects in 734C<player>, C<client> or C<map> (i.e. the attachable objects in
583Crossfire TRT). 735Deliantra).
584 736
585=over 4 737=over 4
586 738
587=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
588 740
840 "; 992 ";
841 die if $@; 993 die if $@;
842} 994}
843 995
844our $override; 996our $override;
845our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846 998
847sub override { 999sub override {
848 $override = 1; 1000 $override = 1;
849 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
850} 1002}
851 1003
852sub do_invoke { 1004sub do_invoke {
853 my $event = shift; 1005 my $event = shift;
854 my $callbacks = shift; 1006 my $callbacks = shift;
855 1007
856 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
857 1009
858 local $override; 1010 local $override;
859 1011
860 for (@$callbacks) { 1012 for (@$callbacks) {
861 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
870 } 1022 }
871 1023
872 0 1024 0
873} 1025}
874 1026
875=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876 1028
877=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878 1030
879Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
880 1032
881This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882removed in future versions), and there is no public API to access override 1034removed in future versions), and there is no public API to access override
883results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884 1036
885=back 1037=back
886 1038
887=cut 1039=cut
888 1040
889############################################################################# 1041#############################################################################
890# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
891 1085
892sub reattach { 1086sub reattach {
893 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
894 my ($obj) = @_; 1088 my ($obj) = @_;
895 1089
916cf::attachable->attach ( 1110cf::attachable->attach (
917 prio => -1000000, 1111 prio => -1000000,
918 on_instantiate => sub { 1112 on_instantiate => sub {
919 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
920 1114
921 $data = from_json $data; 1115 $data = decode_json $data;
922 1116
923 for (@$data) { 1117 for (@$data) {
924 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
925 1119
926 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
942sub object_freezer_save { 1136sub object_freezer_save {
943 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
944 1138
945 sync_job { 1139 sync_job {
946 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
947 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
948 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
949 1144
950 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951 chmod SAVE_MODE, $fh; 1146 chmod SAVE_MODE, $fh;
952 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
954 close $fh; 1149 close $fh;
955 1150
956 if (@$objs) { 1151 if (@$objs) {
957 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1153 chmod SAVE_MODE, $fh;
959 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
961 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
962 close $fh; 1157 close $fh;
963 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
964 } 1159 }
972 } 1167 }
973 } else { 1168 } else {
974 aio_unlink $filename; 1169 aio_unlink $filename;
975 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
976 } 1171 }
977 } 1172 };
978} 1173}
979 1174
980sub object_freezer_as_string { 1175sub object_freezer_as_string {
981 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
982 1177
994 or return; 1189 or return;
995 1190
996 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
997 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
998 or return; 1193 or return;
1194
999 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
1000 } 1197 }
1001 1198
1199 utf8::decode (my $decname = $filename);
1002 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
1003 $filename, length $data, scalar @{$av || []}; 1201 $decname, length $data, scalar @{$av || []};
1202
1004 return ($data, $av); 1203 ($data, $av)
1005} 1204}
1006 1205
1007=head2 COMMAND CALLBACKS 1206=head2 COMMAND CALLBACKS
1008 1207
1009=over 4 1208=over 4
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1229}
1031 1230
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1232
1034Register a callback fro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
1035 1238
1036If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
1037called. 1240called.
1038 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
1039=cut 1253=cut
1040 1254
1041sub register_extcmd { 1255sub register_extcmd {
1042 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
1043 1257
1044 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
1045} 1265}
1046 1266
1047cf::player->attach ( 1267cf::player->attach (
1048 on_command => sub { 1268 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
1058 cf::override; 1278 cf::override;
1059 }, 1279 },
1060 on_extcmd => sub { 1280 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
1062 1282
1063 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1284
1065 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
1068 $pl->ext_reply ($msg->{msgid}, %reply);
1069 }
1070 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
1071 } else { 1300 } else {
1072 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073 } 1302 }
1074 1303
1075 cf::override; 1304 cf::override;
1128 my $msg = $@ ? "$v->{path}: $@\n" 1357 my $msg = $@ ? "$v->{path}: $@\n"
1129 : "$v->{base}: extension inactive.\n"; 1358 : "$v->{base}: extension inactive.\n";
1130 1359
1131 if (exists $v->{meta}{mandatory}) { 1360 if (exists $v->{meta}{mandatory}) {
1132 warn $msg; 1361 warn $msg;
1133 warn "mandatory extension failed to load, exiting.\n"; 1362 cf::cleanup "mandatory extension failed to load, exiting.";
1134 exit 1;
1135 } 1363 }
1136 1364
1137 warn $msg; 1365 warn $msg;
1138 } 1366 }
1139 1367
1164use Coro::AIO; 1392use Coro::AIO;
1165 1393
1166=head3 cf::player 1394=head3 cf::player
1167 1395
1168=over 4 1396=over 4
1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
1169 1411
1170=item cf::player::find $login 1412=item cf::player::find $login
1171 1413
1172Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
1173 1415
1209 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212 aio_unlink +(playerdir $login) . "/$login.pl"; 1454 aio_unlink +(playerdir $login) . "/$login.pl";
1213 1455
1214 my $pl = load_pl path $login 1456 my $f = new_from_file cf::object::thawer path $login
1215 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461 local $cf::PLAYER_LOADING{$login} = $pl;
1462 $f->resolve_delayed_derefs;
1216 $cf::PLAYER{$login} = $pl 1463 $cf::PLAYER{$login} = $pl
1217 } 1464 }
1218 } 1465 }
1219} 1466}
1220 1467
1229 return if $pl->{deny_save}; 1476 return if $pl->{deny_save};
1230 1477
1231 aio_mkdir playerdir $pl, 0770; 1478 aio_mkdir playerdir $pl, 0770;
1232 $pl->{last_save} = $cf::RUNTIME; 1479 $pl->{last_save} = $cf::RUNTIME;
1233 1480
1481 cf::get_slot 0.01;
1482
1234 $pl->save_pl ($path); 1483 $pl->save_pl ($path);
1235 Coro::cede; 1484 cf::cede_to_tick;
1236} 1485}
1237 1486
1238sub new($) { 1487sub new($) {
1239 my ($login) = @_; 1488 my ($login) = @_;
1240 1489
1244 $self->{deny_save} = 1; 1493 $self->{deny_save} = 1;
1245 1494
1246 $cf::PLAYER{$login} = $self; 1495 $cf::PLAYER{$login} = $self;
1247 1496
1248 $self 1497 $self
1498}
1499
1500=item $player->send_msg ($channel, $msg, $color, [extra...])
1501
1502=cut
1503
1504sub send_msg {
1505 my $ns = shift->ns
1506 or return;
1507 $ns->send_msg (@_);
1249} 1508}
1250 1509
1251=item $pl->quit_character 1510=item $pl->quit_character
1252 1511
1253Nukes the player without looking back. If logged in, the connection will 1512Nukes the player without looking back. If logged in, the connection will
1308 or return []; 1567 or return [];
1309 1568
1310 my @logins; 1569 my @logins;
1311 1570
1312 for my $login (@$dirs) { 1571 for my $login (@$dirs) {
1572 my $path = path $login;
1573
1574 # a .pst is a dead give-away for a valid player
1575 unless (-e "$path.pst") {
1313 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1576 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314 aio_read $fh, 0, 512, my $buf, 0 or next; 1577 aio_read $fh, 0, 512, my $buf, 0 or next;
1315 $buf !~ /^password -------------$/m or next; # official not-valid tag 1578 $buf !~ /^password -------------$/m or next; # official not-valid tag
1579 }
1316 1580
1317 utf8::decode $login; 1581 utf8::decode $login;
1318 push @logins, $login; 1582 push @logins, $login;
1319 } 1583 }
1320 1584
1353 1617
1354Expand crossfire pod fragments into protocol xml. 1618Expand crossfire pod fragments into protocol xml.
1355 1619
1356=cut 1620=cut
1357 1621
1622use re 'eval';
1623
1624my $group;
1625my $interior; $interior = qr{
1626 # match a pod interior sequence sans C<< >>
1627 (?:
1628 \ (.*?)\ (?{ $group = $^N })
1629 | < (??{$interior}) >
1630 )
1631}x;
1632
1358sub expand_cfpod { 1633sub expand_cfpod {
1359 ((my $self), (local $_)) = @_; 1634 my ($self, $pod) = @_;
1360 1635
1361 # escape & and < 1636 my $xml;
1362 s/&/&amp;/g;
1363 s/(?<![BIUGH])</&lt;/g;
1364 1637
1365 # this is buggy, it needs to properly take care of nested <'s 1638 while () {
1639 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640 $group = $1;
1366 1641
1367 1 while 1642 $group =~ s/&/&amp;/g;
1368 # replace B<>, I<>, U<> etc. 1643 $group =~ s/</&lt;/g;
1369 s/B<([^\>]*)>/<b>$1<\/b>/ 1644
1370 || s/I<([^\>]*)>/<i>$1<\/i>/ 1645 $xml .= $group;
1371 || s/U<([^\>]*)>/<u>$1<\/u>/ 1646 } elsif ($pod =~ m%\G
1372 # replace G<male|female> tags 1647 ([BCGHITU])
1373 || s{G<([^>|]*)\|([^>]*)>}{ 1648 <
1374 $self->gender ? $2 : $1 1649 (?:
1650 ([^<>]*) (?{ $group = $^N })
1651 | < $interior >
1652 )
1653 >
1654 %gcsx
1655 ) {
1656 my ($code, $data) = ($1, $group);
1657
1658 if ($code eq "B") {
1659 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660 } elsif ($code eq "I") {
1661 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662 } elsif ($code eq "U") {
1663 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664 } elsif ($code eq "C") {
1665 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666 } elsif ($code eq "T") {
1667 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668 } elsif ($code eq "G") {
1669 my ($male, $female) = split /\|/, $data;
1670 $data = $self->gender ? $female : $male;
1671 $xml .= expand_cfpod ($self, $data);
1672 } elsif ($code eq "H") {
1673 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675 "")
1676 [$self->{hintmode}];
1677 } else {
1678 $xml .= "error processing '$code($data)' directive";
1679 }
1680 } else {
1681 if ($pod =~ /\G(.+)/) {
1682 warn "parse error while expanding $pod (at $1)";
1683 }
1684 last;
1375 }ge 1685 }
1376 # replace H<hint text> 1686 }
1377 || s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378 1687
1688 for ($xml) {
1379 # create single paragraphs (very hackish) 1689 # create single paragraphs (very hackish)
1380 s/(?<=\S)\n(?=\w)/ /g; 1690 s/(?<=\S)\n(?=\w)/ /g;
1381 1691
1382 $_ 1692 # compress some whitespace
1383} 1693 s/\s+\n/\n/g; # ws line-ends
1694 s/\n\n+/\n/g; # double lines
1695 s/^\n+//; # beginning lines
1696 s/\n+$//; # ending lines
1697 }
1384 1698
1699 $xml
1700}
1701
1702no re 'eval';
1703
1704sub hintmode {
1705 $_[0]{hintmode} = $_[1] if @_ > 1;
1706 $_[0]{hintmode}
1707}
1708
1385=item $player->ext_reply ($msgid, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1386 1710
1387Sends an ext reply to the player. 1711Sends an ext reply to the player.
1388 1712
1389=cut 1713=cut
1390 1714
1391sub ext_reply($$%) { 1715sub ext_reply($$@) {
1392 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1393 1717
1394 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1395
1396 $self->send ("ext " . cf::to_json \%msg);
1397} 1719}
1398 1720
1399=item $player->ext_event ($type, %msg) 1721=item $player->ext_msg ($type, @msg)
1400 1722
1401Sends an ext event to the client. 1723Sends an ext event to the client.
1402 1724
1403=cut 1725=cut
1404 1726
1405sub ext_event($$%) { 1727sub ext_msg($$@) {
1406 my ($self, $type, %msg) = @_; 1728 my ($self, $type, @msg) = @_;
1407 1729
1408 $self->ns->ext_event ($type, %msg); 1730 $self->ns->ext_msg ($type, @msg);
1409} 1731}
1410 1732
1411=head3 cf::region 1733=head3 cf::region
1412 1734
1413=over 4 1735=over 4
1426 my ($path) = @_; 1748 my ($path) = @_;
1427 1749
1428 my ($match, $specificity); 1750 my ($match, $specificity);
1429 1751
1430 for my $region (list) { 1752 for my $region (list) {
1431 if ($region->match && $path =~ $region->match) { 1753 if ($region->{match} && $path =~ $region->{match}) {
1432 ($match, $specificity) = ($region, $region->specificity) 1754 ($match, $specificity) = ($region, $region->specificity)
1433 if $region->specificity > $specificity; 1755 if $region->specificity > $specificity;
1434 } 1756 }
1435 } 1757 }
1436 1758
1457our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1458our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1459 1781
1460sub generate_random_map { 1782sub generate_random_map {
1461 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1462 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1463 $self->_create_random_map ( 1788 $self->_create_random_map (
1464 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1556 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1557 return $self; 1882 return $self;
1558 } 1883 }
1559 } 1884 }
1560 1885
1561 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1562 () 1887 ()
1563} 1888}
1564 1889
1565sub init { 1890sub init {
1566 my ($self) = @_; 1891 my ($self) = @_;
1588 1913
1589# the temporary/swap location 1914# the temporary/swap location
1590sub save_path { 1915sub save_path {
1591 my ($self) = @_; 1916 my ($self) = @_;
1592 1917
1593 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1595} 1920}
1596 1921
1597# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1598sub uniq_path { 1923sub uniq_path {
1599 my ($self) = @_; 1924 my ($self) = @_;
1600 1925
1601 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1603} 1928}
1604 1929
1605# and all this just because we cannot iterate over 1930# and all this just because we cannot iterate over
1606# all maps in C++... 1931# all maps in C++...
1629 1954
1630sub load_header_from($) { 1955sub load_header_from($) {
1631 my ($self, $path) = @_; 1956 my ($self, $path) = @_;
1632 1957
1633 utf8::encode $path; 1958 utf8::encode $path;
1634 #aio_open $path, O_RDONLY, 0 1959 my $f = new_from_file cf::object::thawer $path
1635 # or return;
1636
1637 $self->_load_header ($path)
1638 or return; 1960 or return;
1961
1962 $self->_load_header ($f)
1963 or return;
1964
1965 local $MAP_LOADING{$self->{path}} = $self;
1966 $f->resolve_delayed_derefs;
1639 1967
1640 $self->{load_path} = $path; 1968 $self->{load_path} = $path;
1641 1969
1642 1 1970 1
1643} 1971}
1697sub find { 2025sub find {
1698 my ($path, $origin) = @_; 2026 my ($path, $origin) = @_;
1699 2027
1700 $path = normalise $path, $origin && $origin->path; 2028 $path = normalise $path, $origin && $origin->path;
1701 2029
2030 cf::lock_wait "map_data:$path";#d#remove
1702 cf::lock_wait "map_find:$path"; 2031 cf::lock_wait "map_find:$path";
1703 2032
1704 $cf::MAP{$path} || do { 2033 $cf::MAP{$path} || do {
1705 my $guard = cf::lock_acquire "map_find:$path"; 2034 my $guard1 = cf::lock_acquire "map_find:$path";
2035 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
1706 my $map = new_from_path cf::map $path 2037 my $map = new_from_path cf::map $path
1707 or return; 2038 or return;
1708 2039
1709 $map->{last_save} = $cf::RUNTIME; 2040 $map->{last_save} = $cf::RUNTIME;
1710 2041
1712 or return; 2043 or return;
1713 2044
1714 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2045 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715 # doing this can freeze the server in a sync job, obviously 2046 # doing this can freeze the server in a sync job, obviously
1716 #$cf::WAIT_FOR_TICK->wait; 2047 #$cf::WAIT_FOR_TICK->wait;
2048 undef $guard1;
2049 undef $guard2;
1717 $map->reset; 2050 $map->reset;
1718 undef $guard;
1719 return find $path; 2051 return find $path;
1720 } 2052 }
1721 2053
1722 $cf::MAP{$path} = $map 2054 $cf::MAP{$path} = $map
1723 } 2055 }
1732 local $self->{deny_reset} = 1; # loading can take a long time 2064 local $self->{deny_reset} = 1; # loading can take a long time
1733 2065
1734 my $path = $self->{path}; 2066 my $path = $self->{path};
1735 2067
1736 { 2068 {
1737 my $guard = cf::lock_acquire "map_load:$path"; 2069 my $guard = cf::lock_acquire "map_data:$path";
1738 2070
2071 return unless $self->valid;
1739 return if $self->in_memory != cf::MAP_SWAPPED; 2072 return unless $self->in_memory == cf::MAP_SWAPPED;
1740 2073
1741 $self->in_memory (cf::MAP_LOADING); 2074 $self->in_memory (cf::MAP_LOADING);
1742 2075
1743 $self->alloc; 2076 $self->alloc;
1744 2077
1745 $self->pre_load; 2078 $self->pre_load;
1746 Coro::cede; 2079 cf::cede_to_tick;
1747 2080
2081 my $f = new_from_file cf::object::thawer $self->{load_path};
2082 $f->skip_block;
1748 $self->_load_objects ($self->{load_path}, 1) 2083 $self->_load_objects ($f)
1749 or return; 2084 or return;
1750 2085
1751 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2086 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1752 if delete $self->{load_original}; 2087 if delete $self->{load_original};
1753 2088
1754 if (my $uniq = $self->uniq_path) { 2089 if (my $uniq = $self->uniq_path) {
1755 utf8::encode $uniq; 2090 utf8::encode $uniq;
1756 if (aio_open $uniq, O_RDONLY, 0) { 2091 unless (aio_stat $uniq) {
2092 if (my $f = new_from_file cf::object::thawer $uniq) {
1757 $self->clear_unique_items; 2093 $self->clear_unique_items;
1758 $self->_load_objects ($uniq, 0); 2094 $self->_load_objects ($f);
2095 $f->resolve_delayed_derefs;
2096 }
1759 } 2097 }
1760 } 2098 }
1761 2099
1762 Coro::cede; 2100 $f->resolve_delayed_derefs;
2101
2102 cf::cede_to_tick;
1763 # now do the right thing for maps 2103 # now do the right thing for maps
1764 $self->link_multipart_objects; 2104 $self->link_multipart_objects;
1765 $self->difficulty ($self->estimate_difficulty) 2105 $self->difficulty ($self->estimate_difficulty)
1766 unless $self->difficulty; 2106 unless $self->difficulty;
1767 Coro::cede; 2107 cf::cede_to_tick;
1768 2108
1769 unless ($self->{deny_activate}) { 2109 unless ($self->{deny_activate}) {
1770 $self->decay_objects; 2110 $self->decay_objects;
1771 $self->fix_auto_apply; 2111 $self->fix_auto_apply;
1772 $self->update_buttons; 2112 $self->update_buttons;
1773 Coro::cede; 2113 cf::cede_to_tick;
1774 $self->set_darkness_map; 2114 $self->set_darkness_map;
1775 Coro::cede; 2115 cf::cede_to_tick;
1776 $self->activate; 2116 $self->activate;
1777 } 2117 }
1778 2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
1779 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
1780 } 2123 }
1781 2124
1782 $self->post_load; 2125 $self->post_load;
1783} 2126}
1784 2127
1793 2136
1794 $self 2137 $self
1795} 2138}
1796 2139
1797# find and load all maps in the 3x3 area around a map 2140# find and load all maps in the 3x3 area around a map
1798sub load_diag { 2141sub load_neighbours {
1799 my ($map) = @_; 2142 my ($map) = @_;
1800 2143
1801 my @diag; # diagonal neighbours 2144 my @neigh; # diagonal neighbours
1802 2145
1803 for (0 .. 3) { 2146 for (0 .. 3) {
1804 my $neigh = $map->tile_path ($_) 2147 my $neigh = $map->tile_path ($_)
1805 or next; 2148 or next;
1806 $neigh = find $neigh, $map 2149 $neigh = find $neigh, $map
1807 or next; 2150 or next;
1808 $neigh->load; 2151 $neigh->load;
1809 2152
2153 push @neigh,
1810 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2154 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2155 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1812 } 2156 }
1813 2157
1814 for (@diag) { 2158 for (grep defined $_->[0], @neigh) {
2159 my ($path, $origin) = @$_;
1815 my $neigh = find @$_ 2160 my $neigh = find $path, $origin
1816 or next; 2161 or next;
1817 $neigh->load; 2162 $neigh->load;
1818 } 2163 }
1819} 2164}
1820 2165
1825} 2170}
1826 2171
1827sub do_load_sync { 2172sub do_load_sync {
1828 my ($map) = @_; 2173 my ($map) = @_;
1829 2174
2175 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2176 if $Coro::current == $Coro::main;
2177
1830 cf::sync_job { $map->load }; 2178 cf::sync_job { $map->load };
1831} 2179}
1832 2180
1833our %MAP_PREFETCH; 2181our %MAP_PREFETCH;
1834our $MAP_PREFETCHER = undef; 2182our $MAP_PREFETCHER = undef;
1835 2183
1836sub find_async { 2184sub find_async {
1837 my ($path, $origin) = @_; 2185 my ($path, $origin, $load) = @_;
1838 2186
1839 $path = normalise $path, $origin && $origin->{path}; 2187 $path = normalise $path, $origin && $origin->{path};
1840 2188
1841 if (my $map = $cf::MAP{$path}) { 2189 if (my $map = $cf::MAP{$path}) {
1842 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2190 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843 } 2191 }
1844 2192
1845 undef $MAP_PREFETCH{$path}; 2193 $MAP_PREFETCH{$path} |= $load;
2194
1846 $MAP_PREFETCHER ||= cf::async { 2195 $MAP_PREFETCHER ||= cf::async {
2196 $Coro::current->{desc} = "map prefetcher";
2197
1847 while (%MAP_PREFETCH) { 2198 while (%MAP_PREFETCH) {
1848 for my $path (keys %MAP_PREFETCH) { 2199 while (my ($k, $v) = each %MAP_PREFETCH) {
1849 my $map = find $path 2200 if (my $map = find $k) {
1850 or next;
1851 $map->load; 2201 $map->load if $v;
2202 }
1852 2203
1853 delete $MAP_PREFETCH{$path}; 2204 delete $MAP_PREFETCH{$k};
1854 } 2205 }
1855 } 2206 }
1856 undef $MAP_PREFETCHER; 2207 undef $MAP_PREFETCHER;
1857 }; 2208 };
1858 $MAP_PREFETCHER->prio (6); 2209 $MAP_PREFETCHER->prio (6);
1861} 2212}
1862 2213
1863sub save { 2214sub save {
1864 my ($self) = @_; 2215 my ($self) = @_;
1865 2216
1866 my $lock = cf::lock_acquire "map_data:" . $self->path; 2217 my $lock = cf::lock_acquire "map_data:$self->{path}";
1867 2218
1868 $self->{last_save} = $cf::RUNTIME; 2219 $self->{last_save} = $cf::RUNTIME;
1869 2220
1870 return unless $self->dirty; 2221 return unless $self->dirty;
1871 2222
1877 return if $self->{deny_save}; 2228 return if $self->{deny_save};
1878 2229
1879 local $self->{last_access} = $self->last_access;#d# 2230 local $self->{last_access} = $self->last_access;#d#
1880 2231
1881 cf::async { 2232 cf::async {
2233 $Coro::current->{desc} = "map player save";
1882 $_->contr->save for $self->players; 2234 $_->contr->save for $self->players;
1883 }; 2235 };
2236
2237 cf::get_slot 0.02;
1884 2238
1885 if ($uniq) { 2239 if ($uniq) {
1886 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2240 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2241 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1888 } else { 2242 } else {
1894 my ($self) = @_; 2248 my ($self) = @_;
1895 2249
1896 # save first because save cedes 2250 # save first because save cedes
1897 $self->save; 2251 $self->save;
1898 2252
1899 my $lock = cf::lock_acquire "map_data:" . $self->path; 2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
1900 2254
1901 return if $self->players; 2255 return if $self->players;
1902 return if $self->in_memory != cf::MAP_IN_MEMORY; 2256 return if $self->in_memory != cf::MAP_ACTIVE;
1903 return if $self->{deny_save}; 2257 return if $self->{deny_save};
1904 2258
2259 $self->in_memory (cf::MAP_SWAPPED);
2260
2261 $self->deactivate;
2262 $_->clear_links_to ($self) for values %cf::MAP;
1905 $self->clear; 2263 $self->clear;
1906 $self->in_memory (cf::MAP_SWAPPED);
1907} 2264}
1908 2265
1909sub reset_at { 2266sub reset_at {
1910 my ($self) = @_; 2267 my ($self) = @_;
1911 2268
1943 if $uniq; 2300 if $uniq;
1944 } 2301 }
1945 2302
1946 delete $cf::MAP{$self->path}; 2303 delete $cf::MAP{$self->path};
1947 2304
2305 $self->deactivate;
2306 $_->clear_links_to ($self) for values %cf::MAP;
1948 $self->clear; 2307 $self->clear;
1949
1950 $_->clear_links_to ($self) for values %cf::MAP;
1951 2308
1952 $self->unlink_save; 2309 $self->unlink_save;
1953 $self->destroy; 2310 $self->destroy;
1954} 2311}
1955 2312
1956my $nuke_counter = "aaaa"; 2313my $nuke_counter = "aaaa";
1957 2314
1958sub nuke { 2315sub nuke {
1959 my ($self) = @_; 2316 my ($self) = @_;
1960 2317
2318 {
2319 my $lock = cf::lock_acquire "map_data:$self->{path}";
2320
1961 delete $cf::MAP{$self->path}; 2321 delete $cf::MAP{$self->path};
1962 2322
1963 $self->unlink_save; 2323 $self->unlink_save;
1964 2324
1965 bless $self, "cf::map"; 2325 bless $self, "cf::map";
1966 delete $self->{deny_reset}; 2326 delete $self->{deny_reset};
1967 $self->{deny_save} = 1; 2327 $self->{deny_save} = 1;
1968 $self->reset_timeout (1); 2328 $self->reset_timeout (1);
1969 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2329 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970 2330
1971 $cf::MAP{$self->path} = $self; 2331 $cf::MAP{$self->path} = $self;
2332 }
1972 2333
1973 $self->reset; # polite request, might not happen 2334 $self->reset; # polite request, might not happen
1974} 2335}
1975 2336
1976=item $maps = cf::map::tmp_maps 2337=item $maps = cf::map::tmp_maps
2018 2379
2019sub unique_maps() { 2380sub unique_maps() {
2020 [ 2381 [
2021 map { 2382 map {
2022 utf8::decode $_; 2383 utf8::decode $_;
2023 /\.map$/ 2384 s/\.map$//; # TODO future compatibility hack
2385 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2386 ? ()
2024 ? normalise $_ 2387 : normalise $_
2025 : ()
2026 } @{ aio_readdir $UNIQUEDIR or [] } 2388 } @{ aio_readdir $UNIQUEDIR or [] }
2027 ] 2389 ]
2028} 2390}
2029 2391
2030package cf;
2031
2032=back 2392=back
2033 2393
2034=head3 cf::object 2394=head3 cf::object
2035 2395
2036=cut 2396=cut
2039 2399
2040=over 4 2400=over 4
2041 2401
2042=item $ob->inv_recursive 2402=item $ob->inv_recursive
2043 2403
2044Returns the inventory of the object _and_ their inventories, recursively. 2404Returns the inventory of the object I<and> their inventories, recursively,
2405but I<not> the object itself.
2045 2406
2046=cut 2407=cut
2047 2408
2048sub inv_recursive_; 2409sub inv_recursive_;
2049sub inv_recursive_ { 2410sub inv_recursive_ {
2050 map { $_, inv_recursive_ $_->inv } @_ 2411 map { $_, inv_recursive_ $_->inv } @_
2051} 2412}
2052 2413
2053sub inv_recursive { 2414sub inv_recursive {
2054 inv_recursive_ inv $_[0] 2415 inv_recursive_ inv $_[0]
2416}
2417
2418=item $ref = $ob->ref
2419
2420Creates and returns a persistent reference to an object that can be stored as a string.
2421
2422=item $ob = cf::object::deref ($refstring)
2423
2424returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2425even if the object actually exists. May block.
2426
2427=cut
2428
2429sub deref {
2430 my ($ref) = @_;
2431
2432 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2433 my ($uuid, $name) = ($1, $2);
2434 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2435 or return;
2436 $pl->ob->uuid eq $uuid
2437 or return;
2438
2439 $pl->ob
2440 } else {
2441 warn "$ref: cannot resolve object reference\n";
2442 undef
2443 }
2055} 2444}
2056 2445
2057package cf; 2446package cf;
2058 2447
2059=back 2448=back
2083 2472
2084 } else { 2473 } else {
2085 my $pl = $self->contr; 2474 my $pl = $self->contr;
2086 2475
2087 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2476 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088 my $diag = $pl->{npc_dialog}; 2477 my $dialog = $pl->{npc_dialog};
2089 $diag->{pl}->ext_reply ( 2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090 $diag->{id},
2091 msgtype => "reply",
2092 msg => $diag->{pl}->expand_cfpod ($msg),
2093 add_topics => []
2094 );
2095 2479
2096 } else { 2480 } else {
2097 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
2098 $self->message ($msg, $flags); 2482 $self->message ($msg, $flags);
2099 } 2483 }
2100 } 2484 }
2485}
2486
2487=item $object->send_msg ($channel, $msg, $color, [extra...])
2488
2489=cut
2490
2491sub cf::object::send_msg {
2492 my $pl = shift->contr
2493 or return;
2494 $pl->send_msg (@_);
2101} 2495}
2102 2496
2103=item $player_object->may ("access") 2497=item $player_object->may ("access")
2104 2498
2105Returns wether the given player is authorized to access resource "access" 2499Returns wether the given player is authorized to access resource "access"
2184 # use -1 or undef as default coordinates, not 0, 0 2578 # use -1 or undef as default coordinates, not 0, 0
2185 ($x, $y) = ($map->enter_x, $map->enter_y) 2579 ($x, $y) = ($map->enter_x, $map->enter_y)
2186 if $x <=0 && $y <= 0; 2580 if $x <=0 && $y <= 0;
2187 2581
2188 $map->load; 2582 $map->load;
2189 $map->load_diag; 2583 $map->load_neighbours;
2190 2584
2191 return unless $self->contr->active; 2585 return unless $self->contr->active;
2192 $self->activate_recursive; 2586 $self->activate_recursive;
2193 2587
2194 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195 $self->enter_map ($map, $x, $y); 2589 $self->enter_map ($map, $x, $y);
2196} 2590}
2197 2591
2198=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2592=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199 2593
2200Moves the player to the given map-path and coordinates by first freezing 2594Moves the player to the given map-path and coordinates by first freezing
2201her, loading and preparing them map, calling the provided $check callback 2595her, loading and preparing them map, calling the provided $check callback
2202that has to return the map if sucecssful, and then unfreezes the player on 2596that has to return the map if sucecssful, and then unfreezes the player on
2203the new (success) or old (failed) map position. 2597the new (success) or old (failed) map position. In either case, $done will
2598be called at the end of this process.
2204 2599
2205=cut 2600=cut
2206 2601
2207our $GOTOGEN; 2602our $GOTOGEN;
2208 2603
2209sub cf::object::player::goto { 2604sub cf::object::player::goto {
2210 my ($self, $path, $x, $y, $check) = @_; 2605 my ($self, $path, $x, $y, $check, $done) = @_;
2211 2606
2212 # do generation counting so two concurrent goto's will be executed in-order 2607 # do generation counting so two concurrent goto's will be executed in-order
2213 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2608 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214 2609
2215 $self->enter_link; 2610 $self->enter_link;
2216 2611
2217 (async { 2612 (async {
2613 $Coro::current->{desc} = "player::goto $path $x $y";
2614
2615 # *tag paths override both path and x|y
2616 if ($path =~ /^\*(.*)$/) {
2617 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2618 my $ob = $obs[rand @obs];
2619
2620 # see if we actually can go there
2621 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2622 $ob = $obs[rand @obs];
2623 } else {
2624 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2625 }
2626 # else put us there anyways for now #d#
2627
2628 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2629 } else {
2630 ($path, $x, $y) = (undef, undef, undef);
2631 }
2632 }
2633
2218 my $map = eval { 2634 my $map = eval {
2219 my $map = cf::map::find $path; 2635 my $map = defined $path ? cf::map::find $path : undef;
2220 2636
2221 if ($map) { 2637 if ($map) {
2222 $map = $map->customise_for ($self); 2638 $map = $map->customise_for ($self);
2223 $map = $check->($map) if $check && $map; 2639 $map = $check->($map) if $check && $map;
2224 } else { 2640 } else {
2225 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2641 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226 } 2642 }
2227 2643
2228 $map 2644 $map
2229 }; 2645 };
2230 2646
2235 2651
2236 if ($gen == $self->{_goto_generation}) { 2652 if ($gen == $self->{_goto_generation}) {
2237 delete $self->{_goto_generation}; 2653 delete $self->{_goto_generation};
2238 $self->leave_link ($map, $x, $y); 2654 $self->leave_link ($map, $x, $y);
2239 } 2655 }
2656
2657 $done->() if $done;
2240 })->prio (1); 2658 })->prio (1);
2241} 2659}
2242 2660
2243=item $player_object->enter_exit ($exit_object) 2661=item $player_object->enter_exit ($exit_object)
2244 2662
2281 $rmp->{origin_y} = $exit->y; 2699 $rmp->{origin_y} = $exit->y;
2282 } 2700 }
2283 2701
2284 $rmp->{random_seed} ||= $exit->random_seed; 2702 $rmp->{random_seed} ||= $exit->random_seed;
2285 2703
2286 my $data = cf::to_json $rmp; 2704 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287 my $md5 = Digest::MD5::md5_hex $data; 2705 my $md5 = Digest::MD5::md5_hex $data;
2288 my $meta = "$RANDOMDIR/$md5.meta"; 2706 my $meta = "$RANDOMDIR/$md5.meta";
2289 2707
2290 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2708 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291 aio_write $fh, 0, (length $data), $data, 0; 2709 aio_write $fh, 0, (length $data), $data, 0;
2313 my $hp = $exit->stats->hp; 2731 my $hp = $exit->stats->hp;
2314 my $sp = $exit->stats->sp; 2732 my $sp = $exit->stats->sp;
2315 2733
2316 $self->enter_link; 2734 $self->enter_link;
2317 2735
2736 # if exit is damned, update players death & WoR home-position
2737 $self->contr->savebed ($slaying, $hp, $sp)
2738 if $exit->flag (FLAG_DAMNED);
2739
2318 (async { 2740 (async {
2741 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2742
2319 $self->deactivate_recursive; # just to be sure 2743 $self->deactivate_recursive; # just to be sure
2320 unless (eval { 2744 unless (eval {
2321 $self->goto ($slaying, $hp, $sp); 2745 $self->goto ($slaying, $hp, $sp);
2322 2746
2323 1; 2747 1;
2349 2773
2350 utf8::encode $text; 2774 utf8::encode $text;
2351 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2775 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352} 2776}
2353 2777
2354=item $client->send_msg ($color, $type, $msg, [extra...]) 2778=item $client->send_msg ($channel, $msg, $color, [extra...])
2355 2779
2356Send a drawinfo or msg packet to the client, formatting the msg for the 2780Send a drawinfo or msg packet to the client, formatting the msg for the
2357client if neccessary. C<$type> should be a string identifying the type of 2781client if neccessary. C<$type> should be a string identifying the type of
2358the message, with C<log> being the default. If C<$color> is negative, suppress 2782the message, with C<log> being the default. If C<$color> is negative, suppress
2359the message unless the client supports the msg packet. 2783the message unless the client supports the msg packet.
2360 2784
2361=cut 2785=cut
2362 2786
2787# non-persistent channels (usually the info channel)
2788our %CHANNEL = (
2789 "c/identify" => {
2790 id => "infobox",
2791 title => "Identify",
2792 reply => undef,
2793 tooltip => "Items recently identified",
2794 },
2795 "c/examine" => {
2796 id => "infobox",
2797 title => "Examine",
2798 reply => undef,
2799 tooltip => "Signs and other items you examined",
2800 },
2801 "c/book" => {
2802 id => "infobox",
2803 title => "Book",
2804 reply => undef,
2805 tooltip => "The contents of a note or book",
2806 },
2807 "c/lookat" => {
2808 id => "infobox",
2809 title => "Look",
2810 reply => undef,
2811 tooltip => "What you saw there",
2812 },
2813 "c/who" => {
2814 id => "infobox",
2815 title => "Players",
2816 reply => undef,
2817 tooltip => "Shows players who are currently online",
2818 },
2819 "c/body" => {
2820 id => "infobox",
2821 title => "Body Parts",
2822 reply => undef,
2823 tooltip => "Shows which body parts you posess and are available",
2824 },
2825 "c/uptime" => {
2826 id => "infobox",
2827 title => "Uptime",
2828 reply => undef,
2829 tooltip => "How long the server has been running since last restart",
2830 },
2831 "c/mapinfo" => {
2832 id => "infobox",
2833 title => "Map Info",
2834 reply => undef,
2835 tooltip => "Information related to the maps",
2836 },
2837);
2838
2363sub cf::client::send_msg { 2839sub cf::client::send_msg {
2364 my ($self, $color, $type, $msg, @extra) = @_; 2840 my ($self, $channel, $msg, $color, @extra) = @_;
2365 2841
2366 $msg = $self->pl->expand_cfpod ($msg); 2842 $msg = $self->pl->expand_cfpod ($msg);
2367 2843
2844 $color &= cf::NDI_CLIENT_MASK; # just in case...
2845
2846 # check predefined channels, for the benefit of C
2847 if ($CHANNEL{$channel}) {
2848 $channel = $CHANNEL{$channel};
2849
2850 $self->ext_msg (channel_info => $channel)
2851 if $self->can_msg;
2852
2853 $channel = $channel->{id};
2854
2855 } elsif (ref $channel) {
2856 # send meta info to client, if not yet sent
2857 unless (exists $self->{channel}{$channel->{id}}) {
2858 $self->{channel}{$channel->{id}} = $channel;
2859 $self->ext_msg (channel_info => $channel)
2860 if $self->can_msg;
2861 }
2862
2863 $channel = $channel->{id};
2864 }
2865
2866 return unless @extra || length $msg;
2867
2368 if ($self->can_msg) { 2868 if ($self->can_msg) {
2369 $self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]); 2869 # default colour, mask it out
2870 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871 if $color & cf::NDI_DEF;
2872
2873 $self->send_packet ("msg " . $self->{json_coder}->encode (
2874 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2370 } else { 2875 } else {
2371 # replace some tags by gcfclient-compatible ones
2372 for ($msg) {
2373 1 while
2374 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379 }
2380
2381 if ($color >= 0) { 2876 if ($color >= 0) {
2877 # replace some tags by gcfclient-compatible ones
2878 for ($msg) {
2879 1 while
2880 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885 }
2886
2887 $color &= cf::NDI_COLOR_MASK;
2888
2889 utf8::encode $msg;
2890
2382 if (0 && $msg =~ /\[/) { 2891 if (0 && $msg =~ /\[/) {
2892 # COMMAND/INFO
2383 $self->send_packet ("drawextinfo $color 4 0 $msg") 2893 $self->send_packet ("drawextinfo $color 10 8 $msg")
2384 } else { 2894 } else {
2385 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 2895 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2386 $self->send_packet ("drawinfo $color $msg") 2896 $self->send_packet ("drawinfo $color $msg")
2387 } 2897 }
2388 } 2898 }
2389 } 2899 }
2390} 2900}
2391 2901
2392=item $client->ext_event ($type, %msg) 2902=item $client->ext_msg ($type, @msg)
2393 2903
2394Sends an exti event to the client. 2904Sends an ext event to the client.
2395 2905
2396=cut 2906=cut
2397 2907
2398sub cf::client::ext_event($$%) { 2908sub cf::client::ext_msg($$@) {
2399 my ($self, $type, %msg) = @_; 2909 my ($self, $type, @msg) = @_;
2400 2910
2911 if ($self->extcmd == 2) {
2912 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913 } elsif ($self->extcmd == 1) { # TODO: remove
2401 $msg{msgtype} = "event_$type"; 2914 push @msg, msgtype => "event_$type";
2402 $self->send_packet ("ext " . cf::to_json \%msg); 2915 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916 }
2917}
2918
2919=item $client->ext_reply ($msgid, @msg)
2920
2921Sends an ext reply to the client.
2922
2923=cut
2924
2925sub cf::client::ext_reply($$@) {
2926 my ($self, $id, @msg) = @_;
2927
2928 if ($self->extcmd == 2) {
2929 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930 } elsif ($self->extcmd == 1) {
2931 #TODO: version 1, remove
2932 unshift @msg, msgtype => "reply", msgid => $id;
2933 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934 }
2403} 2935}
2404 2936
2405=item $success = $client->query ($flags, "text", \&cb) 2937=item $success = $client->query ($flags, "text", \&cb)
2406 2938
2407Queues a query to the client, calling the given callback with 2939Queues a query to the client, calling the given callback with
2408the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2940the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2941C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410 2942
2411Queries can fail, so check the return code. Or don't, as queries will become 2943Queries can fail, so check the return code. Or don't, as queries will
2412reliable at some point in the future. 2944become reliable at some point in the future.
2413 2945
2414=cut 2946=cut
2415 2947
2416sub cf::client::query { 2948sub cf::client::query {
2417 my ($self, $flags, $text, $cb) = @_; 2949 my ($self, $flags, $text, $cb) = @_;
2425 utf8::encode $text; 2957 utf8::encode $text;
2426 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2958 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427 2959
2428 $self->send_packet ($self->{query_queue}[0][0]) 2960 $self->send_packet ($self->{query_queue}[0][0])
2429 if @{ $self->{query_queue} } == 1; 2961 if @{ $self->{query_queue} } == 1;
2962
2963 1
2430} 2964}
2431 2965
2432cf::client->attach ( 2966cf::client->attach (
2967 on_connect => sub {
2968 my ($ns) = @_;
2969
2970 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2971 },
2433 on_reply => sub { 2972 on_reply => sub {
2434 my ($ns, $msg) = @_; 2973 my ($ns, $msg) = @_;
2435 2974
2436 # this weird shuffling is so that direct followup queries 2975 # this weird shuffling is so that direct followup queries
2437 # get handled first 2976 # get handled first
2449 } else { 2988 } else {
2450 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2989 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451 } 2990 }
2452 } 2991 }
2453 }, 2992 },
2993 on_exticmd => sub {
2994 my ($ns, $buf) = @_;
2995
2996 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2997
2998 if (ref $msg) {
2999 my ($type, $reply, @payload) =
3000 "ARRAY" eq ref $msg
3001 ? @$msg
3002 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3003
3004 my @reply;
3005
3006 if (my $cb = $EXTICMD{$type}) {
3007 @reply = $cb->($ns, @payload);
3008 }
3009
3010 $ns->ext_reply ($reply, @reply)
3011 if $reply;
3012
3013 } else {
3014 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3015 }
3016
3017 cf::override;
3018 },
2454); 3019);
2455 3020
2456=item $client->async (\&cb) 3021=item $client->async (\&cb)
2457 3022
2458Create a new coroutine, running the specified callback. The coroutine will 3023Create a new coroutine, running the specified callback. The coroutine will
2499our $safe = new Safe "safe"; 3064our $safe = new Safe "safe";
2500our $safe_hole = new Safe::Hole; 3065our $safe_hole = new Safe::Hole;
2501 3066
2502$SIG{FPE} = 'IGNORE'; 3067$SIG{FPE} = 'IGNORE';
2503 3068
2504$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3069$safe->permit_only (Opcode::opset qw(
3070 :base_core :base_mem :base_orig :base_math
3071 grepstart grepwhile mapstart mapwhile
3072 sort time
3073));
2505 3074
2506# here we export the classes and methods available to script code 3075# here we export the classes and methods available to script code
2507 3076
2508=pod 3077=pod
2509 3078
2510The following functions and methods are available within a safe environment: 3079The following functions and methods are available within a safe environment:
2511 3080
2512 cf::object contr pay_amount pay_player map 3081 cf::object
3082 contr pay_amount pay_player map x y force_find force_add destroy
3083 insert remove name archname title slaying race decrease_ob_nr
3084
2513 cf::object::player player 3085 cf::object::player
2514 cf::player peaceful 3086 player
2515 cf::map trigger 3087
3088 cf::player
3089 peaceful
3090
3091 cf::map
3092 trigger
2516 3093
2517=cut 3094=cut
2518 3095
2519for ( 3096for (
2520 ["cf::object" => qw(contr pay_amount pay_player map)], 3097 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098 insert remove inv name archname title slaying race
3099 decrease_ob_nr destroy)],
2521 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
2522 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful)],
2523 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
2524) { 3103) {
2525 no strict 'refs'; 3104 no strict 'refs';
2601# the server's init and main functions 3180# the server's init and main functions
2602 3181
2603sub load_facedata($) { 3182sub load_facedata($) {
2604 my ($path) = @_; 3183 my ($path) = @_;
2605 3184
3185 # HACK to clear player env face cache, we need some signal framework
3186 # for this (global event?)
3187 %ext::player_env::MUSIC_FACE_CACHE = ();
3188
3189 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3190
2606 warn "loading facedata from $path\n"; 3191 warn "loading facedata from $path\n";
2607 3192
2608 my $facedata; 3193 my $facedata;
2609 0 < aio_load $path, $facedata 3194 0 < aio_load $path, $facedata
2610 or die "$path: $!"; 3195 or die "$path: $!";
2612 $facedata = Coro::Storable::thaw $facedata; 3197 $facedata = Coro::Storable::thaw $facedata;
2613 3198
2614 $facedata->{version} == 2 3199 $facedata->{version} == 2
2615 or cf::cleanup "$path: version mismatch, cannot proceed."; 3200 or cf::cleanup "$path: version mismatch, cannot proceed.";
2616 3201
3202 # patch in the exptable
3203 $facedata->{resource}{"res/exp_table"} = {
3204 type => FT_RSRC,
3205 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3206 };
3207 cf::cede_to_tick;
3208
2617 { 3209 {
2618 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
2619 3211
2620 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2621 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
2622 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3216 cf::face::set_magicmap $idx, $info->{magicmap};
2623 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2624 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2625 Coro::cede; 3219
3220 cf::cede_to_tick;
2626 } 3221 }
2627 3222
2628 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
2629 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
2630 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
2631 or next; 3227 or next;
3228
2632 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3230 cf::face::set_smooth $idx, $smooth;
2633 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634 } else { 3232 } else {
2635 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
2636 } 3234 }
2637 Coro::cede; 3235
3236 cf::cede_to_tick;
2638 } 3237 }
2639 } 3238 }
2640 3239
2641 { 3240 {
2642 my $anims = $facedata->{animinfo}; 3241 my $anims = $facedata->{animinfo};
2643 3242
2644 while (my ($anim, $info) = each %$anims) { 3243 while (my ($anim, $info) = each %$anims) {
2645 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3244 cf::anim::set $anim, $info->{frames}, $info->{facings};
2646 Coro::cede; 3245 cf::cede_to_tick;
2647 } 3246 }
2648 3247
2649 cf::anim::invalidate_all; # d'oh 3248 cf::anim::invalidate_all; # d'oh
2650 } 3249 }
2651 3250
3251 {
3252 # TODO: for gcfclient pleasure, we should give resources
3253 # that gcfclient doesn't grok a >10000 face index.
3254 my $res = $facedata->{resource};
3255
3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259 my $data;
3260
3261 if ($info->{type} & 1) {
3262 # prepend meta info
3263
3264 my $meta = $enc->encode ({
3265 name => $name,
3266 %{ $info->{meta} || {} },
3267 });
3268
3269 $data = pack "(w/a*)*", $meta, $info->{data};
3270 } else {
3271 $data = $info->{data};
3272 }
3273
3274 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275 cf::face::set_type $idx, $info->{type};
3276 } else {
3277 $RESOURCE{$name} = $info;
3278 }
3279
3280 cf::cede_to_tick;
3281 }
3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285
2652 1 3286 1
2653} 3287}
2654 3288
3289cf::global->attach (on_resource_update => sub {
3290 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294 my $sound = $soundconf->{compat}[$_]
3295 or next;
3296
3297 my $face = cf::face::find "sound/$sound->[1]";
3298 cf::sound::set $sound->[0] => $face;
3299 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300 }
3301
3302 while (my ($k, $v) = each %{$soundconf->{event}}) {
3303 my $face = cf::face::find "sound/$v";
3304 cf::sound::set $k => $face;
3305 }
3306 }
3307});
3308
3309register_exticmd fx_want => sub {
3310 my ($ns, $want) = @_;
3311
3312 while (my ($k, $v) = each %$want) {
3313 $ns->fx_want ($k, $v);
3314 }
3315};
3316
3317sub load_resource_file($) {
3318 my $guard = lock_acquire "load_resource_file";
3319
3320 my $status = load_resource_file_ $_[0];
3321 get_slot 0.1, 100;
3322 cf::arch::commit_load;
3323
3324 $status
3325}
3326
2655sub reload_regions { 3327sub reload_regions {
3328 # HACK to clear player env face cache, we need some signal framework
3329 # for this (global event?)
3330 %ext::player_env::MUSIC_FACE_CACHE = ();
3331
2656 load_resource_file "$MAPDIR/regions" 3332 load_resource_file "$MAPDIR/regions"
2657 or die "unable to load regions file\n"; 3333 or die "unable to load regions file\n";
3334
3335 for (cf::region::list) {
3336 $_->{match} = qr/$_->{match}/
3337 if exists $_->{match};
3338 }
2658} 3339}
2659 3340
2660sub reload_facedata { 3341sub reload_facedata {
2661 load_facedata "$DATADIR/facedata" 3342 load_facedata "$DATADIR/facedata"
2662 or die "unable to load facedata\n"; 3343 or die "unable to load facedata\n";
2673} 3354}
2674 3355
2675sub reload_resources { 3356sub reload_resources {
2676 warn "reloading resource files...\n"; 3357 warn "reloading resource files...\n";
2677 3358
3359 reload_facedata;
3360 reload_archetypes;
2678 reload_regions; 3361 reload_regions;
2679 reload_facedata;
2680 #reload_archetypes;#d#
2681 reload_archetypes;
2682 reload_treasures; 3362 reload_treasures;
2683 3363
2684 warn "finished reloading resource files\n"; 3364 warn "finished reloading resource files\n";
2685} 3365}
2686 3366
2687sub init { 3367sub init {
3368 my $guard = freeze_mainloop;
3369
2688 reload_resources; 3370 reload_resources;
2689} 3371}
2690 3372
2691sub cfg_load { 3373sub reload_config {
2692 open my $fh, "<:utf8", "$CONFDIR/config" 3374 open my $fh, "<:utf8", "$CONFDIR/config"
2693 or return; 3375 or return;
2694 3376
2695 local $/; 3377 local $/;
2696 *CFG = YAML::Syck::Load <$fh>; 3378 *CFG = YAML::Load <$fh>;
2697 3379
2698 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3380 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2699 3381
2700 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3382 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3383 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2712sub main { 3394sub main {
2713 # we must not ever block the main coroutine 3395 # we must not ever block the main coroutine
2714 local $Coro::idle = sub { 3396 local $Coro::idle = sub {
2715 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3397 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716 (async { 3398 (async {
2717 Event::one_event; 3399 $Coro::current->{desc} = "IDLE BUG HANDLER";
3400 EV::loop EV::LOOP_ONESHOT;
2718 })->prio (Coro::PRIO_MAX); 3401 })->prio (Coro::PRIO_MAX);
2719 }; 3402 };
2720 3403
2721 cfg_load; 3404 {
3405 my $guard = freeze_mainloop;
3406 reload_config;
2722 db_init; 3407 db_init;
2723 load_extensions; 3408 load_extensions;
2724 3409
2725 $TICK_WATCHER->start; 3410 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3411 evthread_start IO::AIO::poll_fileno;
3412 }
3413
2726 Event::loop; 3414 EV::loop;
2727} 3415}
2728 3416
2729############################################################################# 3417#############################################################################
2730# initialisation and cleanup 3418# initialisation and cleanup
2731 3419
2732# install some emergency cleanup handlers 3420# install some emergency cleanup handlers
2733BEGIN { 3421BEGIN {
3422 our %SIGWATCHER = ();
2734 for my $signal (qw(INT HUP TERM)) { 3423 for my $signal (qw(INT HUP TERM)) {
2735 Event->signal ( 3424 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2736 reentrant => 0,
2737 data => WF_AUTOCANCEL,
2738 signal => $signal,
2739 prio => 0,
2740 cb => sub {
2741 cf::cleanup "SIG$signal"; 3425 cf::cleanup "SIG$signal";
2742 },
2743 ); 3426 };
2744 } 3427 }
2745} 3428}
2746 3429
2747sub write_runtime { 3430sub write_runtime_sync {
2748 my $runtime = "$LOCALDIR/runtime"; 3431 my $runtime = "$LOCALDIR/runtime";
2749 3432
2750 # first touch the runtime file to show we are still running: 3433 # first touch the runtime file to show we are still running:
2751 # the fsync below can take a very very long time. 3434 # the fsync below can take a very very long time.
2752 3435
2778 and return; 3461 and return;
2779 3462
2780 warn "runtime file written.\n"; 3463 warn "runtime file written.\n";
2781 3464
2782 1 3465 1
3466}
3467
3468our $uuid_lock;
3469our $uuid_skip;
3470
3471sub write_uuid_sync($) {
3472 $uuid_skip ||= $_[0];
3473
3474 return if $uuid_lock;
3475 local $uuid_lock = 1;
3476
3477 my $uuid = "$LOCALDIR/uuid";
3478
3479 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3480 or return;
3481
3482 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3483 $uuid_skip = 0;
3484
3485 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3486 and return;
3487
3488 # always fsync - this file is important
3489 aio_fsync $fh
3490 and return;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$uuid~", $uuid
3496 and return;
3497
3498 warn "uuid file written ($value).\n";
3499
3500 1
3501
3502}
3503
3504sub write_uuid($$) {
3505 my ($skip, $sync) = @_;
3506
3507 $sync ? write_uuid_sync $skip
3508 : async { write_uuid_sync $skip };
2783} 3509}
2784 3510
2785sub emergency_save() { 3511sub emergency_save() {
2786 my $freeze_guard = cf::freeze_mainloop; 3512 my $freeze_guard = cf::freeze_mainloop;
2787 3513
2793 # and maps saved/destroyed asynchronously. 3519 # and maps saved/destroyed asynchronously.
2794 warn "begin emergency player save\n"; 3520 warn "begin emergency player save\n";
2795 for my $login (keys %cf::PLAYER) { 3521 for my $login (keys %cf::PLAYER) {
2796 my $pl = $cf::PLAYER{$login} or next; 3522 my $pl = $cf::PLAYER{$login} or next;
2797 $pl->valid or next; 3523 $pl->valid or next;
3524 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798 $pl->save; 3525 $pl->save;
2799 } 3526 }
2800 warn "end emergency player save\n"; 3527 warn "end emergency player save\n";
2801 3528
2802 warn "begin emergency map save\n"; 3529 warn "begin emergency map save\n";
2808 warn "end emergency map save\n"; 3535 warn "end emergency map save\n";
2809 3536
2810 warn "begin emergency database checkpoint\n"; 3537 warn "begin emergency database checkpoint\n";
2811 BDB::db_env_txn_checkpoint $DB_ENV; 3538 BDB::db_env_txn_checkpoint $DB_ENV;
2812 warn "end emergency database checkpoint\n"; 3539 warn "end emergency database checkpoint\n";
3540
3541 warn "begin write uuid\n";
3542 write_uuid_sync 1;
3543 warn "end write uuid\n";
2813 }; 3544 };
2814 3545
2815 warn "leave emergency perl save\n"; 3546 warn "leave emergency perl save\n";
2816} 3547}
2817 3548
2832 warn "reloading..."; 3563 warn "reloading...";
2833 3564
2834 warn "entering sync_job"; 3565 warn "entering sync_job";
2835 3566
2836 cf::sync_job { 3567 cf::sync_job {
2837 cf::write_runtime; # external watchdog should not bark 3568 cf::write_runtime_sync; # external watchdog should not bark
2838 cf::emergency_save; 3569 cf::emergency_save;
2839 cf::write_runtime; # external watchdog should not bark 3570 cf::write_runtime_sync; # external watchdog should not bark
2840 3571
2841 warn "syncing database to disk"; 3572 warn "syncing database to disk";
2842 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
2843 3574
2844 # if anything goes wrong in here, we should simply crash as we already saved 3575 # if anything goes wrong in here, we should simply crash as we already saved
2845
2846 warn "cancelling all WF_AUTOCANCEL watchers";
2847 for (Event::all_watchers) {
2848 $_->cancel if $_->data & WF_AUTOCANCEL;
2849 }
2850 3576
2851 warn "flushing outstanding aio requests"; 3577 warn "flushing outstanding aio requests";
2852 for (;;) { 3578 for (;;) {
2853 BDB::flush; 3579 BDB::flush;
2854 IO::AIO::flush; 3580 IO::AIO::flush;
2855 Coro::cede; 3581 Coro::cede_notself;
2856 last unless IO::AIO::nreqs || BDB::nreqs; 3582 last unless IO::AIO::nreqs || BDB::nreqs;
2857 warn "iterate..."; 3583 warn "iterate...";
2858 } 3584 }
2859 3585
2860 ++$RELOAD; 3586 ++$RELOAD;
2864 %EXT_CORO = (); 3590 %EXT_CORO = ();
2865 3591
2866 warn "removing commands"; 3592 warn "removing commands";
2867 %COMMAND = (); 3593 %COMMAND = ();
2868 3594
2869 warn "removing ext commands"; 3595 warn "removing ext/exti commands";
2870 %EXTCMD = (); 3596 %EXTCMD = ();
3597 %EXTICMD = ();
2871 3598
2872 warn "unloading/nuking all extensions"; 3599 warn "unloading/nuking all extensions";
2873 for my $pkg (@EXTS) { 3600 for my $pkg (@EXTS) {
2874 warn "... unloading $pkg"; 3601 warn "... unloading $pkg";
2875 3602
2918 warn "reloading cf.pm"; 3645 warn "reloading cf.pm";
2919 require cf; 3646 require cf;
2920 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3647 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2921 3648
2922 warn "loading config and database again"; 3649 warn "loading config and database again";
2923 cf::cfg_load; 3650 cf::reload_config;
2924 3651
2925 warn "loading extensions"; 3652 warn "loading extensions";
2926 cf::load_extensions; 3653 cf::load_extensions;
2927 3654
2928 warn "reattaching attachments to objects/players"; 3655 warn "reattaching attachments to objects/players";
2935 warn "leaving sync_job"; 3662 warn "leaving sync_job";
2936 3663
2937 1 3664 1
2938 } or do { 3665 } or do {
2939 warn $@; 3666 warn $@;
2940 warn "error while reloading, exiting."; 3667 cf::cleanup "error while reloading, exiting.";
2941 exit 1;
2942 }; 3668 };
2943 3669
2944 warn "reloaded"; 3670 warn "reloaded";
2945}; 3671};
2946 3672
2948 3674
2949sub reload_perl() { 3675sub reload_perl() {
2950 # doing reload synchronously and two reloads happen back-to-back, 3676 # doing reload synchronously and two reloads happen back-to-back,
2951 # coro crashes during coro_state_free->destroy here. 3677 # coro crashes during coro_state_free->destroy here.
2952 3678
2953 $RELOAD_WATCHER ||= Event->timer ( 3679 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2954 reentrant => 0,
2955 after => 0,
2956 data => WF_AUTOCANCEL,
2957 cb => sub {
2958 do_reload_perl; 3680 do_reload_perl;
2959 undef $RELOAD_WATCHER; 3681 undef $RELOAD_WATCHER;
2960 },
2961 ); 3682 };
2962} 3683}
2963 3684
2964register_command "reload" => sub { 3685register_command "reload" => sub {
2965 my ($who, $arg) = @_; 3686 my ($who, $arg) = @_;
2966 3687
2967 if ($who->flag (FLAG_WIZ)) { 3688 if ($who->flag (FLAG_WIZ)) {
2968 $who->message ("reloading server."); 3689 $who->message ("reloading server.");
3690 async {
3691 $Coro::current->{desc} = "perl_reload";
2969 async { reload_perl }; 3692 reload_perl;
3693 };
2970 } 3694 }
2971}; 3695};
2972 3696
2973unshift @INC, $LIBDIR; 3697unshift @INC, $LIBDIR;
2974 3698
2976 3700
2977our @WAIT_FOR_TICK; 3701our @WAIT_FOR_TICK;
2978our @WAIT_FOR_TICK_BEGIN; 3702our @WAIT_FOR_TICK_BEGIN;
2979 3703
2980sub wait_for_tick { 3704sub wait_for_tick {
2981 return unless $TICK_WATCHER->is_active;
2982 return if $Coro::current == $Coro::main; 3705 return if tick_inhibit || $Coro::current == $Coro::main;
2983 3706
2984 my $signal = new Coro::Signal; 3707 my $signal = new Coro::Signal;
2985 push @WAIT_FOR_TICK, $signal; 3708 push @WAIT_FOR_TICK, $signal;
2986 $signal->wait; 3709 $signal->wait;
2987} 3710}
2988 3711
2989sub wait_for_tick_begin { 3712sub wait_for_tick_begin {
2990 return unless $TICK_WATCHER->is_active;
2991 return if $Coro::current == $Coro::main; 3713 return if tick_inhibit || $Coro::current == $Coro::main;
2992 3714
2993 my $signal = new Coro::Signal; 3715 my $signal = new Coro::Signal;
2994 push @WAIT_FOR_TICK_BEGIN, $signal; 3716 push @WAIT_FOR_TICK_BEGIN, $signal;
2995 $signal->wait; 3717 $signal->wait;
2996} 3718}
2997 3719
2998 my $min = 1e6;#d# 3720sub tick {
2999 my $avg = 10;
3000$TICK_WATCHER = Event->timer (
3001 reentrant => 0,
3002 parked => 1,
3003 prio => 0,
3004 at => $NEXT_TICK || $TICK,
3005 data => WF_AUTOCANCEL,
3006 cb => sub {
3007 if ($Coro::current != $Coro::main) { 3721 if ($Coro::current != $Coro::main) {
3008 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3722 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009 unless ++$bug_warning > 10; 3723 unless ++$bug_warning > 10;
3010 return; 3724 return;
3011 } 3725 }
3012 3726
3013 $NOW = $tick_start = Event::time;
3014
3015 cf::server_tick; # one server iteration 3727 cf::server_tick; # one server iteration
3016 3728
3017 0 && sync_job {#d# 3729 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018 for(1..10) { 3730 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019 my $t = Event::time; 3731 Coro::async_pool {
3020 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3732 $Coro::current->{desc} = "runtime saver";
3021 or die; 3733 write_runtime_sync
3022 3734 or warn "ERROR: unable to write runtime file: $!";
3023 $map->width (50);
3024 $map->height (50);
3025 $map->alloc;
3026 $map->_load_objects ("/tmp/x.map", 1);
3027 my $t = Event::time - $t;
3028
3029 #next unless $t < 0.0013;#d#
3030 if ($t < $min) {
3031 $min = $t;
3032 }
3033 $avg = $avg * 0.99 + $t * 0.01;
3034 }
3035 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036 exit 0;
3037 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038 }; 3735 };
3736 }
3039 3737
3040 $RUNTIME += $TICK;
3041 $NEXT_TICK += $TICK;
3042
3043 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044 $NEXT_RUNTIME_WRITE = $NOW + 10;
3045 Coro::async_pool {
3046 write_runtime
3047 or warn "ERROR: unable to write runtime file: $!";
3048 };
3049 }
3050
3051# my $AFTER = Event::time;
3052# warn $AFTER - $NOW;#d#
3053
3054 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3738 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055 $sig->send; 3739 $sig->send;
3056 } 3740 }
3057 while (my $sig = shift @WAIT_FOR_TICK) { 3741 while (my $sig = shift @WAIT_FOR_TICK) {
3058 $sig->send; 3742 $sig->send;
3059 } 3743 }
3060 3744
3061 $NOW = Event::time; 3745 $LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063 # if we are delayed by four ticks or more, skip them all
3064 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066 $TICK_WATCHER->at ($NEXT_TICK);
3067 $TICK_WATCHER->start;
3068
3069 $LOAD = ($NOW - $tick_start) / $TICK;
3070 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3746 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071 3747
3072 _post_tick; 3748 if (0) {
3073 3749 if ($NEXT_TICK) {
3074 3750 my $jitter = $TICK_START - $NEXT_TICK;
3751 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3752 warn "jitter $JITTER\n";#d#
3753 }
3075 }, 3754 }
3076); 3755}
3077 3756
3078{ 3757{
3079 BDB::max_poll_time $TICK * 0.1; 3758 # configure BDB
3080 $BDB_POLL_WATCHER = Event->io ( 3759
3081 reentrant => 0,
3082 fd => BDB::poll_fileno,
3083 poll => 'r',
3084 prio => 0,
3085 data => WF_AUTOCANCEL,
3086 cb => \&BDB::poll_cb,
3087 );
3088 BDB::min_parallel 8; 3760 BDB::min_parallel 8;
3089 3761 BDB::max_poll_reqs $TICK * 0.1;
3090 BDB::set_sync_prepare { 3762 $Coro::BDB::WATCHER->priority (1);
3091 my $status;
3092 my $current = $Coro::current;
3093 (
3094 sub {
3095 $status = $!;
3096 $current->ready; undef $current;
3097 },
3098 sub {
3099 Coro::schedule while defined $current;
3100 $! = $status;
3101 },
3102 )
3103 };
3104 3763
3105 unless ($DB_ENV) { 3764 unless ($DB_ENV) {
3106 $DB_ENV = BDB::db_env_create; 3765 $DB_ENV = BDB::db_env_create;
3766 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3767 | BDB::LOG_AUTOREMOVE, 1);
3768 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3769 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107 3770
3108 cf::sync_job { 3771 cf::sync_job {
3109 eval { 3772 eval {
3110 BDB::db_env_open 3773 BDB::db_env_open
3111 $DB_ENV, 3774 $DB_ENV,
3113 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3776 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3777 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115 0666; 3778 0666;
3116 3779
3117 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3780 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120 $DB_ENV->set_lk_detect;
3121 }; 3781 };
3122 3782
3123 cf::cleanup "db_env_open(db): $@" if $@; 3783 cf::cleanup "db_env_open(db): $@" if $@;
3124 }; 3784 };
3125 } 3785 }
3786
3787 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3788 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3789 };
3790 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3791 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3792 };
3793 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3794 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3795 };
3126} 3796}
3127 3797
3128{ 3798{
3799 # configure IO::AIO
3800
3129 IO::AIO::min_parallel 8; 3801 IO::AIO::min_parallel 8;
3130
3131 undef $Coro::AIO::WATCHER;
3132 IO::AIO::max_poll_time $TICK * 0.1; 3802 IO::AIO::max_poll_time $TICK * 0.1;
3133 $AIO_POLL_WATCHER = Event->io ( 3803 $Coro::AIO::WATCHER->priority (1);
3134 reentrant => 0,
3135 data => WF_AUTOCANCEL,
3136 fd => IO::AIO::poll_fileno,
3137 poll => 'r',
3138 prio => 6,
3139 cb => \&IO::AIO::poll_cb,
3140 );
3141} 3804}
3142 3805
3143my $_log_backtrace; 3806my $_log_backtrace;
3144 3807
3145sub _log_backtrace { 3808sub _log_backtrace {
3149 3812
3150 # limit the # of concurrent backtraces 3813 # limit the # of concurrent backtraces
3151 if ($_log_backtrace < 2) { 3814 if ($_log_backtrace < 2) {
3152 ++$_log_backtrace; 3815 ++$_log_backtrace;
3153 async { 3816 async {
3817 $Coro::current->{desc} = "abt $msg";
3818
3154 my @bt = fork_call { 3819 my @bt = fork_call {
3155 @addr = map { sprintf "%x", $_ } @addr; 3820 @addr = map { sprintf "%x", $_ } @addr;
3156 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3821 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3822 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158 or die "addr2line: $!"; 3823 or die "addr2line: $!";

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