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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 239
194# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 241# within the Safe compartment.
196for my $pkg (qw( 242for my $pkg (qw(
197 cf::global cf::attachable 243 cf::global cf::attachable
202)) { 248)) {
203 no strict 'refs'; 249 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 251}
206 252
207$Event::DIED = sub { 253$EV::DIED = sub {
208 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
209}; 255};
256
257#############################################################################
210 258
211=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
212 260
213=over 4 261=over 4
214 262
233 $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;
234 $d 282 $d
235 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
236} 284}
237 285
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
241 287
242Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
243 289
244=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
245 291
246Converts 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]) }
247 300
248=item cf::lock_wait $string 301=item cf::lock_wait $string
249 302
250Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
251 304
254Wait 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
255a 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,
256for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
257returned. 310returned.
258 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
259Lock 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
260uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
261 317
262=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
263 319
264Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
265 321
266=cut 322=cut
267 323
268our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
269 326
270sub lock_wait($) { 327sub lock_wait($) {
271 my ($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#
272 334
273 # wait for lock, if any 335 # wait for lock, if any
274 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 338 Coro::schedule;
282 344
283 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
284 lock_wait $key; 346 lock_wait $key;
285 347
286 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
287 350
288 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
291 } 355 }
292} 356}
293 357
296 360
297 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
298} 362}
299 363
300sub freeze_mainloop { 364sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
302 366
303 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
304 $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($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
305 }; 428 }
306 $TICK_WATCHER->stop; 429};
307 $guard 430
431sub get_slot($;$$) {
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 $sig->wait;
308} 443}
309 444
310=item cf::async { BLOCK } 445=item cf::async { BLOCK }
311 446
312Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
317 452
318BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
319 454
320=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
321 456
322The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
325 461
326If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
329fast or be very important. 465fast or be very important.
332 468
333sub sync_job(&) { 469sub sync_job(&) {
334 my ($job) = @_; 470 my ($job) = @_;
335 471
336 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 473 my $time = EV::time;
338 474
339 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
341 477
342 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 479
344 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
345 481
346 my $busy = 1; 482 my $busy = 1;
347 my @res; 483 my @res;
348 484
349 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 487 @res = eval { $job->() };
351 warn $@ if $@; 488 warn $@ if $@;
352 undef $busy; 489 undef $busy;
353 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
354 491
355 while ($busy) { 492 while ($busy) {
356 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
357 } 497 }
498 }
358 499
359 $time = Event::time - $time; 500 my $time = EV::time - $time;
360 501
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 502 $TICK_START += $time; # do not account sync jobs to server load
365 503
366 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
367 } else { 505 } else {
368 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
369 507
389 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
390 528
391 $coro 529 $coro
392} 530}
393 531
394sub write_runtime { 532=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 533
397 # first touch the runtime file to show we are still running: 534Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
399 538
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 539=cut
401 utime undef, undef, $fh; 540
541sub fork_call(&@) {
542 my ($cb, @args) = @_;
543
544 # we seemingly have to make a local copy of the whole thing,
545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
547
548 my @res = Coro::Util::fork_eval {
549 reset_signals;
550 &$cb
551 }, @args;
552
553 wantarray ? @res : $res[-1]
554}
555
556=item $coin = coin_from_name $name
557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
582
583=item $value = cf::db_get $family => $key
584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
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 $!;
402 } 610 };
611 cf::cleanup "db_open(db): $@" if $@;
403 612
404 my $guard = cf::lock_acquire "write_runtime"; 613 $db
614}
405 615
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 616our $DB;
407 or return;
408 617
409 my $value = $cf::RUNTIME + 90 + 10; 618sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 619 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 620 $DB ||= db_table "db";
621 };
622}
412 623
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 624sub db_get($$) {
414 and return; 625 my $key = "$_[0]/$_[1]";
415 626
416 # always fsync - this file is important 627 cf::sync_job {
417 aio_fsync $fh 628 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 629
420 # touch it again to show we are up-to-date 630 $! ? ()
421 utime undef, undef, $fh; 631 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
432} 708}
433 709
434=item cf::datalog type => key => value, ... 710=item cf::datalog type => key => value, ...
435 711
436Log a datalog packet of the given type with the given key-value pairs. 712Log a datalog packet of the given type with the given key-value pairs.
454attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
456 732
457In 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>
458C<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
459crossfire+). 735Deliantra).
460 736
461=over 4 737=over 4
462 738
463=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
464 740
666 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
667 } 943 }
668 944
669 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
670 } else { 946 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 948 }
673 949
674 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
675} 951}
676 952
716 "; 992 ";
717 die if $@; 993 die if $@;
718} 994}
719 995
720our $override; 996our $override;
721our @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?
722 998
723sub override { 999sub override {
724 $override = 1; 1000 $override = 1;
725 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
726} 1002}
727 1003
728sub do_invoke { 1004sub do_invoke {
729 my $event = shift; 1005 my $event = shift;
730 my $callbacks = shift; 1006 my $callbacks = shift;
731 1007
732 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
733 1009
734 local $override; 1010 local $override;
735 1011
736 for (@$callbacks) { 1012 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
746 } 1022 }
747 1023
748 0 1024 0
749} 1025}
750 1026
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1028
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1030
755Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
756 1032
757This 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
758removed 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
759results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1036
761=back 1037=back
762 1038
763=cut 1039=cut
764 1040
765############################################################################# 1041#############################################################################
766# 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, $ob2
1084}
767 1085
768sub reattach { 1086sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1088 my ($obj) = @_;
771 1089
792cf::attachable->attach ( 1110cf::attachable->attach (
793 prio => -1000000, 1111 prio => -1000000,
794 on_instantiate => sub { 1112 on_instantiate => sub {
795 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
796 1114
797 $data = from_json $data; 1115 $data = decode_json $data;
798 1116
799 for (@$data) { 1117 for (@$data) {
800 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
801 1119
802 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
818sub object_freezer_save { 1136sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
820 1138
821 sync_job { 1139 sync_job {
822 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
825 1144
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1149 aio_close $fh;
831 1150
832 if (@$objs) { 1151 if (@$objs) {
833 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) {
834 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1157 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
840 } 1159 }
841 } else { 1160 } else {
842 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
843 } 1162 }
848 } 1167 }
849 } else { 1168 } else {
850 aio_unlink $filename; 1169 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
852 } 1171 }
853 } 1172 };
854} 1173}
855 1174
856sub object_freezer_as_string { 1175sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
858 1177
870 or return; 1189 or return;
871 1190
872 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
874 or return; 1193 or return;
1194
875 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
876 } 1197 }
877 1198
1199 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
880 return ($data, $av); 1203 ($data, $av)
881} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
882 1211
883############################################################################# 1212#############################################################################
884# command handling &c 1213# command handling &c
885 1214
886=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1229}
901 1230
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1232
904Register a callbackf ro 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.
905 1238
906If 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
907called. 1240called.
908 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
909=cut 1253=cut
910 1254
911sub register_extcmd { 1255sub register_extcmd {
912 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
913 1257
914 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
915} 1265}
916 1266
917cf::player->attach ( 1267cf::player->attach (
918 on_command => sub { 1268 on_command => sub {
919 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
928 cf::override; 1278 cf::override;
929 }, 1279 },
930 on_extcmd => sub { 1280 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
932 1282
933 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1284
935 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
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
941 } else { 1300 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1302 }
944 1303
945 cf::override; 1304 cf::override;
946 }, 1305 },
947); 1306);
948 1307
949sub load_extension {
950 my ($path) = @_;
951
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
953 my $base = $1;
954 my $pkg = $1;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 }
977 die $@;
978 }
979
980 push @EXTS, $pkg;
981}
982
983sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
984 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1313 next unless -r $path;
986 eval { 1314
987 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
988 1 1371 }
989 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
990 } 1377 };
991} 1378}
992 1379
993############################################################################# 1380#############################################################################
994 1381
1382=back
1383
995=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
996 1385
997Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
998 1387
999=cut 1388=cut
1003use Coro::AIO; 1392use Coro::AIO;
1004 1393
1005=head3 cf::player 1394=head3 cf::player
1006 1395
1007=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}
1008 1411
1009=item cf::player::find $login 1412=item cf::player::find $login
1010 1413
1011Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
1012 1415
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1454 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1455
1053 my $pl = load_pl path $login 1456 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461
1462 local $cf::PLAYER_LOADING{$login} = $pl;
1463 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
1056 } 1465 }
1057 } 1466 }
1058} 1467}
1059 1468
1068 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1069 1478
1070 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1072 1481
1482 cf::get_slot 0.01;
1483
1073 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1074 Coro::cede; 1485 cf::cede_to_tick;
1075} 1486}
1076 1487
1077sub new($) { 1488sub new($) {
1078 my ($login) = @_; 1489 my ($login) = @_;
1079 1490
1085 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1086 1497
1087 $self 1498 $self
1088} 1499}
1089 1500
1501=item $player->send_msg ($channel, $msg, $color, [extra...])
1502
1503=cut
1504
1505sub send_msg {
1506 my $ns = shift->ns
1507 or return;
1508 $ns->send_msg (@_);
1509}
1510
1090=item $pl->quit_character 1511=item $pl->quit_character
1091 1512
1092Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1514be destroyed. May block for a long time.
1094 1515
1102 $pl->{deny_save} = 1; 1523 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1524 $pl->password ("*"); # this should lock out the player until we nuked the dir
1104 1525
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1527 $pl->deactivate;
1528 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1530 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1531 $pl->ns->destroy if $pl->ns;
1109 1532
1110 my $path = playerdir $pl; 1533 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1534 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 or return []; 1570 or return [];
1148 1571
1149 my @logins; 1572 my @logins;
1150 1573
1151 for my $login (@$dirs) { 1574 for my $login (@$dirs) {
1575 my $path = path $login;
1576
1577 # a .pst is a dead give-away for a valid player
1578 # if no pst file found, open and chekc for blocked users
1579 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1580 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1581 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1582 $buf !~ /^password -------------$/m or next; # official not-valid tag
1583 }
1155 1584
1156 utf8::decode $login; 1585 utf8::decode $login;
1157 push @logins, $login; 1586 push @logins, $login;
1158 } 1587 }
1159 1588
1186 } 1615 }
1187 1616
1188 \@paths 1617 \@paths
1189} 1618}
1190 1619
1620=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1621
1622Expand crossfire pod fragments into protocol xml.
1623
1624=cut
1625
1626use re 'eval';
1627
1628my $group;
1629my $interior; $interior = qr{
1630 # match a pod interior sequence sans C<< >>
1631 (?:
1632 \ (.*?)\ (?{ $group = $^N })
1633 | < (??{$interior}) >
1634 )
1635}x;
1636
1637sub expand_cfpod {
1638 my ($self, $pod) = @_;
1639
1640 my $xml;
1641
1642 while () {
1643 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644 $group = $1;
1645
1646 $group =~ s/&/&amp;/g;
1647 $group =~ s/</&lt;/g;
1648
1649 $xml .= $group;
1650 } elsif ($pod =~ m%\G
1651 ([BCGHITU])
1652 <
1653 (?:
1654 ([^<>]*) (?{ $group = $^N })
1655 | < $interior >
1656 )
1657 >
1658 %gcsx
1659 ) {
1660 my ($code, $data) = ($1, $group);
1661
1662 if ($code eq "B") {
1663 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664 } elsif ($code eq "I") {
1665 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666 } elsif ($code eq "U") {
1667 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668 } elsif ($code eq "C") {
1669 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670 } elsif ($code eq "T") {
1671 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672 } elsif ($code eq "G") {
1673 my ($male, $female) = split /\|/, $data;
1674 $data = $self->gender ? $female : $male;
1675 $xml .= expand_cfpod ($self, $data);
1676 } elsif ($code eq "H") {
1677 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679 "")
1680 [$self->{hintmode}];
1681 } else {
1682 $xml .= "error processing '$code($data)' directive";
1683 }
1684 } else {
1685 if ($pod =~ /\G(.+)/) {
1686 warn "parse error while expanding $pod (at $1)";
1687 }
1688 last;
1689 }
1690 }
1691
1692 for ($xml) {
1693 # create single paragraphs (very hackish)
1694 s/(?<=\S)\n(?=\w)/ /g;
1695
1696 # compress some whitespace
1697 s/\s+\n/\n/g; # ws line-ends
1698 s/\n\n+/\n/g; # double lines
1699 s/^\n+//; # beginning lines
1700 s/\n+$//; # ending lines
1701 }
1702
1703 $xml
1704}
1705
1706no re 'eval';
1707
1708sub hintmode {
1709 $_[0]{hintmode} = $_[1] if @_ > 1;
1710 $_[0]{hintmode}
1711}
1712
1191=item $player->ext_reply ($msgid, %msg) 1713=item $player->ext_reply ($msgid, @msg)
1192 1714
1193Sends an ext reply to the player. 1715Sends an ext reply to the player.
1194 1716
1195=cut 1717=cut
1196 1718
1197sub ext_reply($$%) { 1719sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1720 my ($self, $id, @msg) = @_;
1199 1721
1200 $msg{msgid} = $id; 1722 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1723}
1204 1724
1205=item $player->ext_event ($type, %msg) 1725=item $player->ext_msg ($type, @msg)
1206 1726
1207Sends an ext event to the client. 1727Sends an ext event to the client.
1208 1728
1209=cut 1729=cut
1210 1730
1211sub ext_event($$%) { 1731sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1732 my ($self, $type, @msg) = @_;
1213 1733
1214 $self->ns->ext_event ($type, %msg); 1734 $self->ns->ext_msg ($type, @msg);
1215} 1735}
1216 1736
1217=head3 cf::region 1737=head3 cf::region
1218 1738
1219=over 4 1739=over 4
1222 1742
1223package cf::region; 1743package cf::region;
1224 1744
1225=item cf::region::find_by_path $path 1745=item cf::region::find_by_path $path
1226 1746
1227Tries to decuce the probable region for a map knowing only its path. 1747Tries to decuce the likely region for a map knowing only its path.
1228 1748
1229=cut 1749=cut
1230 1750
1231sub find_by_path($) { 1751sub find_by_path($) {
1232 my ($path) = @_; 1752 my ($path) = @_;
1233 1753
1234 my ($match, $specificity); 1754 my ($match, $specificity);
1235 1755
1236 for my $region (list) { 1756 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1757 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1758 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1759 if $region->specificity > $specificity;
1240 } 1760 }
1241 } 1761 }
1242 1762
1263our $MAX_RESET = 3600; 1783our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1784our $DEFAULT_RESET = 3000;
1265 1785
1266sub generate_random_map { 1786sub generate_random_map {
1267 my ($self, $rmp) = @_; 1787 my ($self, $rmp) = @_;
1788
1789 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1790
1268 # mit "rum" bekleckern, nicht 1791 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1792 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1793 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1794 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1795 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1306 my ($self, $merge) = @_; 1829 my ($self, $merge) = @_;
1307 1830
1308 # we have to keep some variables in memory intact 1831 # we have to keep some variables in memory intact
1309 local $self->{path}; 1832 local $self->{path};
1310 local $self->{load_path}; 1833 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1834
1314 $self->SUPER::thawer_merge ($merge); 1835 $self->SUPER::thawer_merge ($merge);
1315} 1836}
1316 1837
1317sub normalise { 1838sub normalise {
1364 $self->init; # pass $1 etc. 1885 $self->init; # pass $1 etc.
1365 return $self; 1886 return $self;
1366 } 1887 }
1367 } 1888 }
1368 1889
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1890 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1891 ()
1371} 1892}
1372 1893
1373sub init { 1894sub init {
1374 my ($self) = @_; 1895 my ($self) = @_;
1396 1917
1397# the temporary/swap location 1918# the temporary/swap location
1398sub save_path { 1919sub save_path {
1399 my ($self) = @_; 1920 my ($self) = @_;
1400 1921
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1923 "$TMPDIR/$path.map"
1403} 1924}
1404 1925
1405# the unique path, undef == no special unique path 1926# the unique path, undef == no special unique path
1406sub uniq_path { 1927sub uniq_path {
1407 my ($self) = @_; 1928 my ($self) = @_;
1408 1929
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1930 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1931 "$UNIQUEDIR/$path"
1411} 1932}
1412 1933
1413# and all this just because we cannot iterate over 1934# and all this just because we cannot iterate over
1414# all maps in C++... 1935# all maps in C++...
1417 1938
1418 $_->change_map_light ($change) 1939 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1940 for grep $_->outdoor, values %cf::MAP;
1420} 1941}
1421 1942
1943sub decay_objects {
1944 my ($self) = @_;
1945
1946 return if $self->{deny_reset};
1947
1948 $self->do_decay_objects;
1949}
1950
1422sub unlink_save { 1951sub unlink_save {
1423 my ($self) = @_; 1952 my ($self) = @_;
1424 1953
1425 utf8::encode (my $save = $self->save_path); 1954 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1955 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1429 1958
1430sub load_header_from($) { 1959sub load_header_from($) {
1431 my ($self, $path) = @_; 1960 my ($self, $path) = @_;
1432 1961
1433 utf8::encode $path; 1962 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1963 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1964 or return;
1965
1966 $self->_load_header ($f)
1967 or return;
1968
1969 local $MAP_LOADING{$self->{path}} = $self;
1970 $f->resolve_delayed_derefs;
1439 1971
1440 $self->{load_path} = $path; 1972 $self->{load_path} = $path;
1441 1973
1442 1 1974 1
1443} 1975}
1482 $self->load_header_orig 2014 $self->load_header_orig
1483 or return; 2015 or return;
1484 $self->prepare_orig; 2016 $self->prepare_orig;
1485 } 2017 }
1486 2018
2019 $self->{deny_reset} = 1
2020 if $self->no_reset;
2021
1487 $self->default_region (cf::region::find_by_path $self->{path}) 2022 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 2023 unless $self->default_region;
1489 2024
1490 1 2025 1
1491} 2026}
1494sub find { 2029sub find {
1495 my ($path, $origin) = @_; 2030 my ($path, $origin) = @_;
1496 2031
1497 $path = normalise $path, $origin && $origin->path; 2032 $path = normalise $path, $origin && $origin->path;
1498 2033
2034 cf::lock_wait "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 2035 cf::lock_wait "map_find:$path";
1500 2036
1501 $cf::MAP{$path} || do { 2037 $cf::MAP{$path} || do {
2038 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502 my $guard = cf::lock_acquire "map_find:$path"; 2039 my $guard2 = cf::lock_acquire "map_find:$path";
2040
1503 my $map = new_from_path cf::map $path 2041 my $map = new_from_path cf::map $path
1504 or return; 2042 or return;
1505 2043
1506 $map->{last_save} = $cf::RUNTIME; 2044 $map->{last_save} = $cf::RUNTIME;
1507 2045
1508 $map->load_header 2046 $map->load_header
1509 or return; 2047 or return;
1510 2048
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2049 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 2050 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 2051 #$cf::WAIT_FOR_TICK->wait;
2052 undef $guard2;
2053 undef $guard1;
1514 $map->reset; 2054 $map->reset;
1515 undef $guard;
1516 return find $path; 2055 return find $path;
1517 } 2056 }
1518 2057
1519 $cf::MAP{$path} = $map 2058 $cf::MAP{$path} = $map
1520 } 2059 }
1529 local $self->{deny_reset} = 1; # loading can take a long time 2068 local $self->{deny_reset} = 1; # loading can take a long time
1530 2069
1531 my $path = $self->{path}; 2070 my $path = $self->{path};
1532 2071
1533 { 2072 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2073 my $guard = cf::lock_acquire "map_data:$path";
1535 2074
2075 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2076 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2077
1538 $self->in_memory (cf::MAP_LOADING); 2078 $self->in_memory (cf::MAP_LOADING);
1539 2079
1540 $self->alloc; 2080 $self->alloc;
1541 2081
1542 $self->pre_load; 2082 $self->pre_load;
1543 Coro::cede; 2083 cf::cede_to_tick;
1544 2084
2085 my $f = new_from_file cf::object::thawer $self->{load_path};
2086 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2087 $self->_load_objects ($f)
1546 or return; 2088 or return;
1547 2089
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2090 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549 if delete $self->{load_original}; 2091 if delete $self->{load_original};
1550 2092
1551 if (my $uniq = $self->uniq_path) { 2093 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2094 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2095 unless (aio_stat $uniq) {
2096 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2097 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2098 $self->_load_objects ($f);
2099 $f->resolve_delayed_derefs;
2100 }
1556 } 2101 }
1557 } 2102 }
1558 2103
1559 Coro::cede; 2104 $f->resolve_delayed_derefs;
2105
2106 cf::cede_to_tick;
1560 # now do the right thing for maps 2107 # now do the right thing for maps
1561 $self->link_multipart_objects; 2108 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2109 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2110 unless $self->difficulty;
1564 Coro::cede; 2111 cf::cede_to_tick;
1565 2112
1566 unless ($self->{deny_activate}) { 2113 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2114 $self->decay_objects;
1568 $self->fix_auto_apply; 2115 $self->fix_auto_apply;
1569 $self->update_buttons; 2116 $self->update_buttons;
1570 Coro::cede; 2117 cf::cede_to_tick;
1571 $self->set_darkness_map; 2118 $self->set_darkness_map;
1572 Coro::cede; 2119 cf::cede_to_tick;
1573 $self->activate; 2120 $self->activate;
1574 } 2121 }
1575 2122
2123 $self->{last_save} = $cf::RUNTIME;
2124 $self->last_access ($cf::RUNTIME);
2125
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2126 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2127 }
1578 2128
1579 $self->post_load; 2129 $self->post_load;
1580} 2130}
1581 2131
1583 my ($self, $ob) = @_; 2133 my ($self, $ob) = @_;
1584 2134
1585 return find "~" . $ob->name . "/" . $self->{path} 2135 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2136 if $self->per_player;
1587 2137
2138# return find "?party/" . $ob->name . "/" . $self->{path}
2139# if $self->per_party;
2140
1588 $self 2141 $self
1589} 2142}
1590 2143
1591# find and load all maps in the 3x3 area around a map 2144# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2145sub load_neighbours {
1593 my ($map) = @_; 2146 my ($map) = @_;
1594 2147
1595 my @diag; # diagonal neighbours 2148 my @neigh; # diagonal neighbours
1596 2149
1597 for (0 .. 3) { 2150 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2151 my $neigh = $map->tile_path ($_)
1599 or next; 2152 or next;
1600 $neigh = find $neigh, $map 2153 $neigh = find $neigh, $map
1601 or next; 2154 or next;
1602 $neigh->load; 2155 $neigh->load;
1603 2156
2157 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2158 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2159 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2160 }
1607 2161
1608 for (@diag) { 2162 for (grep defined $_->[0], @neigh) {
2163 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2164 my $neigh = find $path, $origin
1610 or next; 2165 or next;
1611 $neigh->load; 2166 $neigh->load;
1612 } 2167 }
1613} 2168}
1614 2169
1619} 2174}
1620 2175
1621sub do_load_sync { 2176sub do_load_sync {
1622 my ($map) = @_; 2177 my ($map) = @_;
1623 2178
2179 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2180 if $Coro::current == $Coro::main;
2181
1624 cf::sync_job { $map->load }; 2182 cf::sync_job { $map->load };
1625} 2183}
1626 2184
1627our %MAP_PREFETCH; 2185our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2186our $MAP_PREFETCHER = undef;
1629 2187
1630sub find_async { 2188sub find_async {
1631 my ($path, $origin) = @_; 2189 my ($path, $origin, $load) = @_;
1632 2190
1633 $path = normalise $path, $origin && $origin->{path}; 2191 $path = normalise $path, $origin && $origin->{path};
1634 2192
1635 if (my $map = $cf::MAP{$path}) { 2193 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2194 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2195 }
1638 2196
1639 undef $MAP_PREFETCH{$path}; 2197 $MAP_PREFETCH{$path} |= $load;
2198
1640 $MAP_PREFETCHER ||= cf::async { 2199 $MAP_PREFETCHER ||= cf::async {
2200 $Coro::current->{desc} = "map prefetcher";
2201
1641 while (%MAP_PREFETCH) { 2202 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2203 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2204 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2205 $map->load if $v;
2206 }
1646 2207
1647 delete $MAP_PREFETCH{$path}; 2208 delete $MAP_PREFETCH{$k};
1648 } 2209 }
1649 } 2210 }
1650 undef $MAP_PREFETCHER; 2211 undef $MAP_PREFETCHER;
1651 }; 2212 };
1652 $MAP_PREFETCHER->prio (6); 2213 $MAP_PREFETCHER->prio (6);
1655} 2216}
1656 2217
1657sub save { 2218sub save {
1658 my ($self) = @_; 2219 my ($self) = @_;
1659 2220
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2222
1662 $self->{last_save} = $cf::RUNTIME; 2223 $self->{last_save} = $cf::RUNTIME;
1663 2224
1664 return unless $self->dirty; 2225 return unless $self->dirty;
1665 2226
1671 return if $self->{deny_save}; 2232 return if $self->{deny_save};
1672 2233
1673 local $self->{last_access} = $self->last_access;#d# 2234 local $self->{last_access} = $self->last_access;#d#
1674 2235
1675 cf::async { 2236 cf::async {
2237 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2238 $_->contr->save for $self->players;
1677 }; 2239 };
2240
2241 cf::get_slot 0.02;
1678 2242
1679 if ($uniq) { 2243 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2244 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2245 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2246 } else {
1688 my ($self) = @_; 2252 my ($self) = @_;
1689 2253
1690 # save first because save cedes 2254 # save first because save cedes
1691 $self->save; 2255 $self->save;
1692 2256
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2258
1695 return if $self->players; 2259 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2260 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2261 return if $self->{deny_save};
1698 2262
2263 $self->in_memory (cf::MAP_SWAPPED);
2264
2265 $self->deactivate;
2266 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2267 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2268}
1702 2269
1703sub reset_at { 2270sub reset_at {
1704 my ($self) = @_; 2271 my ($self) = @_;
1705 2272
1706 # TODO: safety, remove and allow resettable per-player maps 2273 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2274 return 1e99 if $self->{deny_reset};
1709 2275
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2276 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2277 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2278
1723 my ($self) = @_; 2289 my ($self) = @_;
1724 2290
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2291 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2292
1727 return if $self->players; 2293 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2294
1730 warn "resetting map ", $self->path;#d# 2295 warn "resetting map ", $self->path;
1731 2296
1732 $self->in_memory (cf::MAP_SWAPPED); 2297 $self->in_memory (cf::MAP_SWAPPED);
1733 2298
1734 # need to save uniques path 2299 # need to save uniques path
1735 unless ($self->{deny_save}) { 2300 unless ($self->{deny_save}) {
1739 if $uniq; 2304 if $uniq;
1740 } 2305 }
1741 2306
1742 delete $cf::MAP{$self->path}; 2307 delete $cf::MAP{$self->path};
1743 2308
2309 $self->deactivate;
2310 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2311 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2312
1748 $self->unlink_save; 2313 $self->unlink_save;
1749 $self->destroy; 2314 $self->destroy;
1750} 2315}
1751 2316
1752my $nuke_counter = "aaaa"; 2317my $nuke_counter = "aaaa";
1753 2318
1754sub nuke { 2319sub nuke {
1755 my ($self) = @_; 2320 my ($self) = @_;
1756 2321
2322 {
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
1757 delete $cf::MAP{$self->path}; 2325 delete $cf::MAP{$self->path};
1758 2326
1759 $self->unlink_save; 2327 $self->unlink_save;
1760 2328
1761 bless $self, "cf::map"; 2329 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2330 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2331 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2332 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2333 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2334
1767 $cf::MAP{$self->path} = $self; 2335 $cf::MAP{$self->path} = $self;
2336 }
1768 2337
1769 $self->reset; # polite request, might not happen 2338 $self->reset; # polite request, might not happen
2339}
2340
2341=item $maps = cf::map::tmp_maps
2342
2343Returns an arrayref with all map paths of currently instantiated and saved
2344maps. May block.
2345
2346=cut
2347
2348sub tmp_maps() {
2349 [
2350 map {
2351 utf8::decode $_;
2352 /\.map$/
2353 ? normalise $_
2354 : ()
2355 } @{ aio_readdir $TMPDIR or [] }
2356 ]
2357}
2358
2359=item $maps = cf::map::random_maps
2360
2361Returns an arrayref with all map paths of currently instantiated and saved
2362random maps. May block.
2363
2364=cut
2365
2366sub random_maps() {
2367 [
2368 map {
2369 utf8::decode $_;
2370 /\.map$/
2371 ? normalise "?random/$_"
2372 : ()
2373 } @{ aio_readdir $RANDOMDIR or [] }
2374 ]
1770} 2375}
1771 2376
1772=item cf::map::unique_maps 2377=item cf::map::unique_maps
1773 2378
1774Returns an arrayref of paths of all shared maps that have 2379Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2380instantiated unique items. May block.
1776 2381
1777=cut 2382=cut
1778 2383
1779sub unique_maps() { 2384sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2385 [
1781 or return; 2386 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2387 utf8::decode $_;
1787 next if /\.pst$/; 2388 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2389 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2390 ? ()
1790 push @paths, cf::map::normalise $_; 2391 : normalise $_
2392 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2393 ]
1792
1793 \@paths
1794} 2394}
1795
1796package cf;
1797 2395
1798=back 2396=back
1799 2397
1800=head3 cf::object 2398=head3 cf::object
1801 2399
1805 2403
1806=over 4 2404=over 4
1807 2405
1808=item $ob->inv_recursive 2406=item $ob->inv_recursive
1809 2407
1810Returns the inventory of the object _and_ their inventories, recursively. 2408Returns the inventory of the object I<and> their inventories, recursively,
2409but I<not> the object itself.
1811 2410
1812=cut 2411=cut
1813 2412
1814sub inv_recursive_; 2413sub inv_recursive_;
1815sub inv_recursive_ { 2414sub inv_recursive_ {
1818 2417
1819sub inv_recursive { 2418sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2419 inv_recursive_ inv $_[0]
1821} 2420}
1822 2421
2422=item $ref = $ob->ref
2423
2424Creates and returns a persistent reference to an object that can be stored as a string.
2425
2426=item $ob = cf::object::deref ($refstring)
2427
2428returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2429even if the object actually exists. May block.
2430
2431=cut
2432
2433sub deref {
2434 my ($ref) = @_;
2435
2436 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2437 my ($uuid, $name) = ($1, $2);
2438 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2439 or return;
2440 $pl->ob->uuid eq $uuid
2441 or return;
2442
2443 $pl->ob
2444 } else {
2445 warn "$ref: cannot resolve object reference\n";
2446 undef
2447 }
2448}
2449
1823package cf; 2450package cf;
1824 2451
1825=back 2452=back
1826 2453
1827=head3 cf::object::player 2454=head3 cf::object::player
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2460Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2461can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2462dialogue with the given NPC character.
1836 2463
1837=cut 2464=cut
2465
2466our $SAY_CHANNEL = {
2467 id => "say",
2468 title => "Map",
2469 reply => "say ",
2470 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2471};
2472
2473our $CHAT_CHANNEL = {
2474 id => "chat",
2475 title => "Chat",
2476 reply => "chat ",
2477 tooltip => "Player chat and shouts, global to the server.",
2478};
1838 2479
1839# rough implementation of a future "reply" method that works 2480# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2481# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2482#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2483sub cf::object::player::reply($$$;$) {
1844 2485
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2486 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2487
1847 if ($self->{record_replies}) { 2488 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2489 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2490
1849 } else { 2491 } else {
2492 my $pl = $self->contr;
2493
2494 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2495 my $dialog = $pl->{npc_dialog};
2496 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2497
2498 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2499 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2500 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2501 }
1852 } 2502 }
2503}
2504
2505=item $object->send_msg ($channel, $msg, $color, [extra...])
2506
2507=cut
2508
2509sub cf::object::send_msg {
2510 my $pl = shift->contr
2511 or return;
2512 $pl->send_msg (@_);
1853} 2513}
1854 2514
1855=item $player_object->may ("access") 2515=item $player_object->may ("access")
1856 2516
1857Returns wether the given player is authorized to access resource "access" 2517Returns wether the given player is authorized to access resource "access"
1904 $self->deactivate_recursive; 2564 $self->deactivate_recursive;
1905 2565
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2566 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2567
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2569 if $self->map && $self->map->{path} ne "{link}";
1910 2570
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2571 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2572}
1913 2573
1914sub cf::object::player::leave_link { 2574sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2575 my ($self, $map, $x, $y) = @_;
2576
2577 return unless $self->contr->active;
1916 2578
1917 my $link_pos = delete $self->{_link_pos}; 2579 my $link_pos = delete $self->{_link_pos};
1918 2580
1919 unless ($map) { 2581 unless ($map) {
1920 # restore original map position 2582 # restore original map position
1934 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2598 if $x <=0 && $y <= 0;
1937 2599
1938 $map->load; 2600 $map->load;
1939 $map->load_diag; 2601 $map->load_neighbours;
1940 2602
1941 return unless $self->contr->active; 2603 return unless $self->contr->active;
1942 $self->activate_recursive; 2604 $self->activate_recursive;
1943 2605
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2606 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2607 $self->enter_map ($map, $x, $y);
1946} 2608}
1947 2609
1948cf::player->attach ( 2610=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 on_logout => sub {
1950 my ($pl) = @_;
1951 2611
1952 # abort map switching before logout 2612Moves the player to the given map-path and coordinates by first freezing
1953 if ($pl->ob->{_link_pos}) { 2613her, loading and preparing them map, calling the provided $check callback
1954 cf::sync_job { 2614that has to return the map if sucecssful, and then unfreezes the player on
1955 $pl->ob->leave_link 2615the new (success) or old (failed) map position. In either case, $done will
1956 }; 2616be called at the end of this process.
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961 2617
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y)
1981
1982=cut 2618=cut
2619
2620our $GOTOGEN;
1983 2621
1984sub cf::object::player::goto { 2622sub cf::object::player::goto {
1985 my ($self, $path, $x, $y) = @_; 2623 my ($self, $path, $x, $y, $check, $done) = @_;
2624
2625 # do generation counting so two concurrent goto's will be executed in-order
2626 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1986 2627
1987 $self->enter_link; 2628 $self->enter_link;
1988 2629
1989 (async { 2630 (async {
2631 $Coro::current->{desc} = "player::goto $path $x $y";
2632
2633 # *tag paths override both path and x|y
2634 if ($path =~ /^\*(.*)$/) {
2635 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2636 my $ob = $obs[rand @obs];
2637
2638 # see if we actually can go there
2639 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2640 $ob = $obs[rand @obs];
2641 } else {
2642 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2643 }
2644 # else put us there anyways for now #d#
2645
2646 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2647 } else {
2648 ($path, $x, $y) = (undef, undef, undef);
2649 }
2650 }
2651
1990 my $map = eval { 2652 my $map = eval {
1991 my $map = cf::map::find $path; 2653 my $map = defined $path ? cf::map::find $path : undef;
2654
2655 if ($map) {
1992 $map = $map->customise_for ($self) if $map; 2656 $map = $map->customise_for ($self);
2657 $map = $check->($map) if $check && $map;
2658 } else {
2659 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2660 }
2661
1993 $map 2662 $map
2663 };
2664
2665 if ($@) {
2666 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2667 LOG llevError | logBacktrace, Carp::longmess $@;
1994 } or 2668 }
1995 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996 2669
2670 if ($gen == $self->{_goto_generation}) {
2671 delete $self->{_goto_generation};
1997 $self->leave_link ($map, $x, $y); 2672 $self->leave_link ($map, $x, $y);
2673 }
2674
2675 $done->() if $done;
1998 })->prio (1); 2676 })->prio (1);
1999} 2677}
2000 2678
2001=item $player_object->enter_exit ($exit_object) 2679=item $player_object->enter_exit ($exit_object)
2002 2680
2022} 2700}
2023 2701
2024sub prepare_random_map { 2702sub prepare_random_map {
2025 my ($exit) = @_; 2703 my ($exit) = @_;
2026 2704
2027 my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029 # all this does is basically replace the /! path by 2705 # all this does is basically replace the /! path by
2030 # a new random map path (?random/...) with a seed 2706 # a new random map path (?random/...) with a seed
2031 # that depends on the exit object 2707 # that depends on the exit object
2032 2708
2033 my $rmp = parse_random_map_params $exit->msg; 2709 my $rmp = parse_random_map_params $exit->msg;
2035 if ($exit->map) { 2711 if ($exit->map) {
2036 $rmp->{region} = $exit->region->name; 2712 $rmp->{region} = $exit->region->name;
2037 $rmp->{origin_map} = $exit->map->path; 2713 $rmp->{origin_map} = $exit->map->path;
2038 $rmp->{origin_x} = $exit->x; 2714 $rmp->{origin_x} = $exit->x;
2039 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
2716
2717 $exit->map->touch;
2040 } 2718 }
2041 2719
2042 $rmp->{random_seed} ||= $exit->random_seed; 2720 $rmp->{random_seed} ||= $exit->random_seed;
2043 2721
2044 my $data = cf::to_json $rmp; 2722 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045 my $md5 = Digest::MD5::md5_hex $data; 2723 my $md5 = Digest::MD5::md5_hex $data;
2046 my $meta = "$RANDOMDIR/$md5.meta"; 2724 my $meta = "$RANDOMDIR/$md5.meta";
2047 2725
2048 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2726 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049 aio_write $fh, 0, (length $data), $data, 0; 2727 aio_write $fh, 0, (length $data), $data, 0;
2050 undef $fh; 2728 undef $fh;
2051 aio_rename "$meta~", $meta; 2729 aio_rename "$meta~", $meta;
2052 2730
2731 my $slaying = "?random/$md5";
2732
2733 if ($exit->valid) {
2053 $exit->slaying ("?random/$md5"); 2734 $exit->slaying ("?random/$md5");
2054 $exit->msg (undef); 2735 $exit->msg (undef);
2736 }
2055 } 2737 }
2056} 2738}
2057 2739
2058sub cf::object::player::enter_exit { 2740sub cf::object::player::enter_exit {
2059 my ($self, $exit) = @_; 2741 my ($self, $exit) = @_;
2060 2742
2061 return unless $self->type == cf::PLAYER; 2743 return unless $self->type == cf::PLAYER;
2062 2744
2063 if ($exit->slaying eq "/!") {
2064 #TODO: this should de-fi-ni-te-ly not be a sync-job
2065 # the problem is that $exit might not survive long enough
2066 # so it needs to be done right now, right here
2067 cf::sync_job { prepare_random_map $exit };
2068 }
2069
2070 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071 my $hp = $exit->stats->hp;
2072 my $sp = $exit->stats->sp;
2073
2074 $self->enter_link; 2745 $self->enter_link;
2075 2746
2076 (async { 2747 (async {
2077 $self->deactivate_recursive; # just to be sure 2748 $Coro::current->{desc} = "enter_exit";
2749
2078 unless (eval { 2750 unless (eval {
2751 $self->deactivate_recursive; # just to be sure
2752
2753 # random map handling
2754 {
2755 my $guard = cf::lock_acquire "exit_prepare:$exit";
2756
2757 prepare_random_map $exit
2758 if $exit->slaying eq "/!";
2759 }
2760
2761 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2762 my $x = $exit->stats->hp;
2763 my $y = $exit->stats->sp;
2764
2079 $self->goto ($slaying, $hp, $sp); 2765 $self->goto ($map, $x, $y);
2080 2766
2767 # if exit is damned, update players death & WoR home-position
2768 $self->contr->savebed ($map, $x, $y)
2769 if $exit->flag (cf::FLAG_DAMNED);
2770
2081 1; 2771 1
2082 }) { 2772 }) {
2083 $self->message ("Something went wrong deep within the crossfire server. " 2773 $self->message ("Something went wrong deep within the crossfire server. "
2084 . "I'll try to bring you back to the map you were before. " 2774 . "I'll try to bring you back to the map you were before. "
2085 . "Please report this to the dungeon master!", 2775 . "Please report this to the dungeon master!",
2086 cf::NDI_UNIQUE | cf::NDI_RED); 2776 cf::NDI_UNIQUE | cf::NDI_RED);
2107 2797
2108 utf8::encode $text; 2798 utf8::encode $text;
2109 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2799 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2110} 2800}
2111 2801
2802=item $client->send_msg ($channel, $msg, $color, [extra...])
2803
2804Send a drawinfo or msg packet to the client, formatting the msg for the
2805client if neccessary. C<$type> should be a string identifying the type of
2806the message, with C<log> being the default. If C<$color> is negative, suppress
2807the message unless the client supports the msg packet.
2808
2809=cut
2810
2811# non-persistent channels (usually the info channel)
2812our %CHANNEL = (
2813 "c/identify" => {
2814 id => "infobox",
2815 title => "Identify",
2816 reply => undef,
2817 tooltip => "Items recently identified",
2818 },
2819 "c/examine" => {
2820 id => "infobox",
2821 title => "Examine",
2822 reply => undef,
2823 tooltip => "Signs and other items you examined",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/uptime" => {
2850 id => "infobox",
2851 title => "Uptime",
2852 reply => undef,
2853 tooltip => "How long the server has been running since last restart",
2854 },
2855 "c/mapinfo" => {
2856 id => "infobox",
2857 title => "Map Info",
2858 reply => undef,
2859 tooltip => "Information related to the maps",
2860 },
2861 "c/party" => {
2862 id => "party",
2863 title => "Party",
2864 reply => "gsay ",
2865 tooltip => "Messages and chat related to your party",
2866 },
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg);
2873
2874 $color &= cf::NDI_CLIENT_MASK; # just in case...
2875
2876 # check predefined channels, for the benefit of C
2877 if ($CHANNEL{$channel}) {
2878 $channel = $CHANNEL{$channel};
2879
2880 $self->ext_msg (channel_info => $channel)
2881 if $self->can_msg;
2882
2883 $channel = $channel->{id};
2884
2885 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891 }
2892
2893 $channel = $channel->{id};
2894 }
2895
2896 return unless @extra || length $msg;
2897
2898 if ($self->can_msg) {
2899 # default colour, mask it out
2900 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901 if $color & cf::NDI_DEF;
2902
2903 $self->send_packet ("msg " . $self->{json_coder}->encode (
2904 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2905 } else {
2906 if ($color >= 0) {
2907 # replace some tags by gcfclient-compatible ones
2908 for ($msg) {
2909 1 while
2910 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915 }
2916
2917 $color &= cf::NDI_COLOR_MASK;
2918
2919 utf8::encode $msg;
2920
2921 if (0 && $msg =~ /\[/) {
2922 # COMMAND/INFO
2923 $self->send_packet ("drawextinfo $color 10 8 $msg")
2924 } else {
2925 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926 $self->send_packet ("drawinfo $color $msg")
2927 }
2928 }
2929 }
2930}
2931
2112=item $client->ext_event ($type, %msg) 2932=item $client->ext_msg ($type, @msg)
2113 2933
2114Sends an exti event to the client. 2934Sends an ext event to the client.
2115 2935
2116=cut 2936=cut
2117 2937
2118sub cf::client::ext_event($$%) { 2938sub cf::client::ext_msg($$@) {
2119 my ($self, $type, %msg) = @_; 2939 my ($self, $type, @msg) = @_;
2120 2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943 } elsif ($self->extcmd == 1) { # TODO: remove
2121 $msg{msgtype} = "event_$type"; 2944 push @msg, msgtype => "event_$type";
2122 $self->send_packet ("ext " . cf::to_json \%msg); 2945 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946 }
2947}
2948
2949=item $client->ext_reply ($msgid, @msg)
2950
2951Sends an ext reply to the client.
2952
2953=cut
2954
2955sub cf::client::ext_reply($$@) {
2956 my ($self, $id, @msg) = @_;
2957
2958 if ($self->extcmd == 2) {
2959 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960 } elsif ($self->extcmd == 1) {
2961 #TODO: version 1, remove
2962 unshift @msg, msgtype => "reply", msgid => $id;
2963 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964 }
2123} 2965}
2124 2966
2125=item $success = $client->query ($flags, "text", \&cb) 2967=item $success = $client->query ($flags, "text", \&cb)
2126 2968
2127Queues a query to the client, calling the given callback with 2969Queues a query to the client, calling the given callback with
2128the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2970the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2129C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2971C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2130 2972
2131Queries can fail, so check the return code. Or don't, as queries will become 2973Queries can fail, so check the return code. Or don't, as queries will
2132reliable at some point in the future. 2974become reliable at some point in the future.
2133 2975
2134=cut 2976=cut
2135 2977
2136sub cf::client::query { 2978sub cf::client::query {
2137 my ($self, $flags, $text, $cb) = @_; 2979 my ($self, $flags, $text, $cb) = @_;
2145 utf8::encode $text; 2987 utf8::encode $text;
2146 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2988 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147 2989
2148 $self->send_packet ($self->{query_queue}[0][0]) 2990 $self->send_packet ($self->{query_queue}[0][0])
2149 if @{ $self->{query_queue} } == 1; 2991 if @{ $self->{query_queue} } == 1;
2992
2993 1
2150} 2994}
2151 2995
2152cf::client->attach ( 2996cf::client->attach (
2997 on_connect => sub {
2998 my ($ns) = @_;
2999
3000 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3001 },
2153 on_reply => sub { 3002 on_reply => sub {
2154 my ($ns, $msg) = @_; 3003 my ($ns, $msg) = @_;
2155 3004
2156 # this weird shuffling is so that direct followup queries 3005 # this weird shuffling is so that direct followup queries
2157 # get handled first 3006 # get handled first
2169 } else { 3018 } else {
2170 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3019 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171 } 3020 }
2172 } 3021 }
2173 }, 3022 },
3023 on_exticmd => sub {
3024 my ($ns, $buf) = @_;
3025
3026 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3027
3028 if (ref $msg) {
3029 my ($type, $reply, @payload) =
3030 "ARRAY" eq ref $msg
3031 ? @$msg
3032 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3033
3034 my @reply;
3035
3036 if (my $cb = $EXTICMD{$type}) {
3037 @reply = $cb->($ns, @payload);
3038 }
3039
3040 $ns->ext_reply ($reply, @reply)
3041 if $reply;
3042
3043 } else {
3044 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3045 }
3046
3047 cf::override;
3048 },
2174); 3049);
2175 3050
2176=item $client->async (\&cb) 3051=item $client->async (\&cb)
2177 3052
2178Create a new coroutine, running the specified callback. The coroutine will 3053Create a new coroutine, running the specified callback. The coroutine will
2219our $safe = new Safe "safe"; 3094our $safe = new Safe "safe";
2220our $safe_hole = new Safe::Hole; 3095our $safe_hole = new Safe::Hole;
2221 3096
2222$SIG{FPE} = 'IGNORE'; 3097$SIG{FPE} = 'IGNORE';
2223 3098
2224$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3099$safe->permit_only (Opcode::opset qw(
3100 :base_core :base_mem :base_orig :base_math
3101 grepstart grepwhile mapstart mapwhile
3102 sort time
3103));
2225 3104
2226# here we export the classes and methods available to script code 3105# here we export the classes and methods available to script code
2227 3106
2228=pod 3107=pod
2229 3108
2230The following functions and methods are available within a safe environment: 3109The following functions and methods are available within a safe environment:
2231 3110
2232 cf::object contr pay_amount pay_player map 3111 cf::object
3112 contr pay_amount pay_player map x y force_find force_add destroy
3113 insert remove name archname title slaying race decrease split
3114
2233 cf::object::player player 3115 cf::object::player
2234 cf::player peaceful 3116 player
2235 cf::map trigger 3117
3118 cf::player
3119 peaceful
3120
3121 cf::map
3122 trigger
2236 3123
2237=cut 3124=cut
2238 3125
2239for ( 3126for (
2240 ["cf::object" => qw(contr pay_amount pay_player map)], 3127 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128 insert remove inv nrof name archname title slaying race
3129 decrease split destroy)],
2241 ["cf::object::player" => qw(player)], 3130 ["cf::object::player" => qw(player)],
2242 ["cf::player" => qw(peaceful)], 3131 ["cf::player" => qw(peaceful)],
2243 ["cf::map" => qw(trigger)], 3132 ["cf::map" => qw(trigger)],
2244) { 3133) {
2245 no strict 'refs'; 3134 no strict 'refs';
2316=back 3205=back
2317 3206
2318=cut 3207=cut
2319 3208
2320############################################################################# 3209#############################################################################
2321
2322=head2 EXTENSION DATABASE SUPPORT
2323
2324Crossfire maintains a very simple database for extension use. It can
2325currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326convert to/from binary).
2327
2328The parameter C<$family> should best start with the name of the extension
2329using it, it should be unique.
2330
2331=over 4
2332
2333=item $value = cf::db_get $family => $key
2334
2335Returns a single value from the database.
2336
2337=item cf::db_put $family => $key => $value
2338
2339Stores the given C<$value> in the family.
2340
2341=cut
2342
2343our $DB;
2344
2345sub db_init {
2346 unless ($DB) {
2347 $DB = BDB::db_create $DB_ENV;
2348
2349 cf::sync_job {
2350 eval {
2351 $DB->set_flags (BDB::CHKSUM);
2352
2353 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355 cf::cleanup "db_open(db): $!" if $!;
2356 };
2357 cf::cleanup "db_open(db): $@" if $@;
2358 };
2359 }
2360}
2361
2362sub db_get($$) {
2363 my $key = "$_[0]/$_[1]";
2364
2365 cf::sync_job {
2366 BDB::db_get $DB, undef, $key, my $data;
2367
2368 $! ? ()
2369 : $data
2370 }
2371}
2372
2373sub db_put($$$) {
2374 BDB::dbreq_pri 4;
2375 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376}
2377
2378=item cf::cache $id => [$paths...], $processversion => $process
2379
2380Generic caching function that returns the value of the resource $id,
2381caching and regenerating as required.
2382
2383This function can block.
2384
2385=cut
2386
2387sub cache {
2388 my ($id, $src, $processversion, $process) = @_;
2389
2390 my $meta =
2391 join "\x00",
2392 $processversion,
2393 map {
2394 aio_stat $_
2395 and Carp::croak "$_: $!";
2396
2397 ($_, (stat _)[7,9])
2398 } @$src;
2399
2400 my $dbmeta = db_get cache => "$id/meta";
2401 if ($dbmeta ne $meta) {
2402 # changed, we may need to process
2403
2404 my @data;
2405 my $md5;
2406
2407 for (0 .. $#$src) {
2408 0 <= aio_load $src->[$_], $data[$_]
2409 or Carp::croak "$src->[$_]: $!";
2410 }
2411
2412 # if processing is expensive, check
2413 # checksum first
2414 if (1) {
2415 $md5 =
2416 join "\x00",
2417 $processversion,
2418 map {
2419 Coro::cede;
2420 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2421 } 0.. $#$src;
2422
2423
2424 my $dbmd5 = db_get cache => "$id/md5";
2425 if ($dbmd5 eq $md5) {
2426 db_put cache => "$id/meta", $meta;
2427
2428 return db_get cache => "$id/data";
2429 }
2430 }
2431
2432 my $t1 = Time::HiRes::time;
2433 my $data = $process->(\@data);
2434 my $t2 = Time::HiRes::time;
2435
2436 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438 db_put cache => "$id/data", $data;
2439 db_put cache => "$id/md5" , $md5;
2440 db_put cache => "$id/meta", $meta;
2441
2442 return $data;
2443 }
2444
2445 db_get cache => "$id/data"
2446}
2447
2448=item fork_call { }, $args
2449
2450Executes the given code block with the given arguments in a seperate
2451process, returning the results. Everything must be serialisable with
2452Coro::Storable. May, of course, block. Note that the executed sub may
2453never block itself or use any form of Event handling.
2454
2455=cut
2456
2457sub fork_call(&@) {
2458 my ($cb, @args) = @_;
2459
2460# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461# or die "socketpair: $!";
2462 pipe my $fh1, my $fh2
2463 or die "pipe: $!";
2464
2465 if (my $pid = fork) {
2466 close $fh2;
2467
2468 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469 $res = Coro::Storable::thaw $res;
2470
2471 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473 die $$res unless "ARRAY" eq ref $res;
2474
2475 return wantarray ? @$res : $res->[-1];
2476 } else {
2477 reset_signals;
2478 local $SIG{__WARN__};
2479 local $SIG{__DIE__};
2480 eval {
2481 close $fh1;
2482
2483 my @res = eval { $cb->(@args) };
2484 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485 };
2486
2487 warn $@ if $@;
2488 _exit 0;
2489 }
2490}
2491
2492
2493
2494#############################################################################
2495# the server's init and main functions 3210# the server's init and main functions
2496 3211
2497sub load_facedata($) { 3212sub load_facedata($) {
2498 my ($path) = @_; 3213 my ($path) = @_;
3214
3215 # HACK to clear player env face cache, we need some signal framework
3216 # for this (global event?)
3217 %ext::player_env::MUSIC_FACE_CACHE = ();
3218
3219 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2499 3220
2500 warn "loading facedata from $path\n"; 3221 warn "loading facedata from $path\n";
2501 3222
2502 my $facedata; 3223 my $facedata;
2503 0 < aio_load $path, $facedata 3224 0 < aio_load $path, $facedata
2506 $facedata = Coro::Storable::thaw $facedata; 3227 $facedata = Coro::Storable::thaw $facedata;
2507 3228
2508 $facedata->{version} == 2 3229 $facedata->{version} == 2
2509 or cf::cleanup "$path: version mismatch, cannot proceed."; 3230 or cf::cleanup "$path: version mismatch, cannot proceed.";
2510 3231
3232 # patch in the exptable
3233 $facedata->{resource}{"res/exp_table"} = {
3234 type => FT_RSRC,
3235 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3236 };
3237 cf::cede_to_tick;
3238
2511 { 3239 {
2512 my $faces = $facedata->{faceinfo}; 3240 my $faces = $facedata->{faceinfo};
2513 3241
2514 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2515 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3243 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244
2516 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3245 cf::face::set_visibility $idx, $info->{visibility};
3246 cf::face::set_magicmap $idx, $info->{magicmap};
2517 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3247 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2518 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3248 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2519 Coro::cede; 3249
3250 cf::cede_to_tick;
2520 } 3251 }
2521 3252
2522 while (my ($face, $info) = each %$faces) { 3253 while (my ($face, $info) = each %$faces) {
2523 next unless $info->{smooth}; 3254 next unless $info->{smooth};
3255
2524 my $idx = cf::face::find $face 3256 my $idx = cf::face::find $face
2525 or next; 3257 or next;
3258
2526 if (my $smooth = cf::face::find $info->{smooth}) { 3259 if (my $smooth = cf::face::find $info->{smooth}) {
3260 cf::face::set_smooth $idx, $smooth;
2527 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3261 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528 } else { 3262 } else {
2529 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3263 warn "smooth face '$info->{smooth}' not found for face '$face'";
2530 } 3264 }
2531 Coro::cede; 3265
3266 cf::cede_to_tick;
2532 } 3267 }
2533 } 3268 }
2534 3269
2535 { 3270 {
2536 my $anims = $facedata->{animinfo}; 3271 my $anims = $facedata->{animinfo};
2537 3272
2538 while (my ($anim, $info) = each %$anims) { 3273 while (my ($anim, $info) = each %$anims) {
2539 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3274 cf::anim::set $anim, $info->{frames}, $info->{facings};
2540 Coro::cede; 3275 cf::cede_to_tick;
2541 } 3276 }
2542 3277
2543 cf::anim::invalidate_all; # d'oh 3278 cf::anim::invalidate_all; # d'oh
2544 } 3279 }
2545 3280
3281 {
3282 # TODO: for gcfclient pleasure, we should give resources
3283 # that gcfclient doesn't grok a >10000 face index.
3284 my $res = $facedata->{resource};
3285
3286 while (my ($name, $info) = each %$res) {
3287 if (defined $info->{type}) {
3288 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289 my $data;
3290
3291 if ($info->{type} & 1) {
3292 # prepend meta info
3293
3294 my $meta = $enc->encode ({
3295 name => $name,
3296 %{ $info->{meta} || {} },
3297 });
3298
3299 $data = pack "(w/a*)*", $meta, $info->{data};
3300 } else {
3301 $data = $info->{data};
3302 }
3303
3304 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305 cf::face::set_type $idx, $info->{type};
3306 } else {
3307 $RESOURCE{$name} = $info;
3308 }
3309
3310 cf::cede_to_tick;
3311 }
3312 }
3313
3314 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3315
2546 1 3316 1
2547} 3317}
2548 3318
3319cf::global->attach (on_resource_update => sub {
3320 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3321 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3322
3323 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3324 my $sound = $soundconf->{compat}[$_]
3325 or next;
3326
3327 my $face = cf::face::find "sound/$sound->[1]";
3328 cf::sound::set $sound->[0] => $face;
3329 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3330 }
3331
3332 while (my ($k, $v) = each %{$soundconf->{event}}) {
3333 my $face = cf::face::find "sound/$v";
3334 cf::sound::set $k => $face;
3335 }
3336 }
3337});
3338
3339register_exticmd fx_want => sub {
3340 my ($ns, $want) = @_;
3341
3342 while (my ($k, $v) = each %$want) {
3343 $ns->fx_want ($k, $v);
3344 }
3345};
3346
3347sub load_resource_file($) {
3348 my $guard = lock_acquire "load_resource_file";
3349
3350 my $status = load_resource_file_ $_[0];
3351 get_slot 0.1, 100;
3352 cf::arch::commit_load;
3353
3354 $status
3355}
3356
2549sub reload_regions { 3357sub reload_regions {
3358 # HACK to clear player env face cache, we need some signal framework
3359 # for this (global event?)
3360 %ext::player_env::MUSIC_FACE_CACHE = ();
3361
2550 load_resource_file "$MAPDIR/regions" 3362 load_resource_file "$MAPDIR/regions"
2551 or die "unable to load regions file\n"; 3363 or die "unable to load regions file\n";
3364
3365 for (cf::region::list) {
3366 $_->{match} = qr/$_->{match}/
3367 if exists $_->{match};
3368 }
2552} 3369}
2553 3370
2554sub reload_facedata { 3371sub reload_facedata {
2555 load_facedata "$DATADIR/facedata" 3372 load_facedata "$DATADIR/facedata"
2556 or die "unable to load facedata\n"; 3373 or die "unable to load facedata\n";
2567} 3384}
2568 3385
2569sub reload_resources { 3386sub reload_resources {
2570 warn "reloading resource files...\n"; 3387 warn "reloading resource files...\n";
2571 3388
2572 reload_regions;
2573 reload_facedata; 3389 reload_facedata;
2574 reload_archetypes; 3390 reload_archetypes;
3391 reload_regions;
2575 reload_treasures; 3392 reload_treasures;
2576 3393
2577 warn "finished reloading resource files\n"; 3394 warn "finished reloading resource files\n";
2578} 3395}
2579 3396
2580sub init { 3397sub init {
3398 my $guard = freeze_mainloop;
3399
2581 reload_resources; 3400 reload_resources;
2582} 3401}
2583 3402
2584sub cfg_load { 3403sub reload_config {
2585 open my $fh, "<:utf8", "$CONFDIR/config" 3404 open my $fh, "<:utf8", "$CONFDIR/config"
2586 or return; 3405 or return;
2587 3406
2588 local $/; 3407 local $/;
2589 *CFG = YAML::Syck::Load <$fh>; 3408 *CFG = YAML::Load <$fh>;
2590 3409
2591 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3410 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2592 3411
2593 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3412 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3413 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2605sub main { 3424sub main {
2606 # we must not ever block the main coroutine 3425 # we must not ever block the main coroutine
2607 local $Coro::idle = sub { 3426 local $Coro::idle = sub {
2608 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3427 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609 (async { 3428 (async {
2610 Event::one_event; 3429 $Coro::current->{desc} = "IDLE BUG HANDLER";
3430 EV::loop EV::LOOP_ONESHOT;
2611 })->prio (Coro::PRIO_MAX); 3431 })->prio (Coro::PRIO_MAX);
2612 }; 3432 };
2613 3433
2614 cfg_load; 3434 {
3435 my $guard = freeze_mainloop;
3436 reload_config;
2615 db_init; 3437 db_init;
2616 load_extensions; 3438 load_extensions;
2617 3439
2618 $TICK_WATCHER->start; 3440 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3441 evthread_start IO::AIO::poll_fileno;
3442 }
3443
2619 Event::loop; 3444 EV::loop;
2620} 3445}
2621 3446
2622############################################################################# 3447#############################################################################
2623# initialisation and cleanup 3448# initialisation and cleanup
2624 3449
2625# install some emergency cleanup handlers 3450# install some emergency cleanup handlers
2626BEGIN { 3451BEGIN {
3452 our %SIGWATCHER = ();
2627 for my $signal (qw(INT HUP TERM)) { 3453 for my $signal (qw(INT HUP TERM)) {
2628 Event->signal ( 3454 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2629 reentrant => 0,
2630 data => WF_AUTOCANCEL,
2631 signal => $signal,
2632 prio => 0,
2633 cb => sub {
2634 cf::cleanup "SIG$signal"; 3455 cf::cleanup "SIG$signal";
2635 },
2636 ); 3456 };
3457 }
3458}
3459
3460sub write_runtime_sync {
3461 my $runtime = "$LOCALDIR/runtime";
3462
3463 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time.
3465
3466 IO::AIO::aio_utime $runtime, undef, undef;
3467
3468 my $guard = cf::lock_acquire "write_runtime";
3469
3470 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3471 or return;
3472
3473 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server.
3476
3477 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3478 and return;
3479
3480 # always fsync - this file is important
3481 aio_fsync $fh
3482 and return;
3483
3484 # touch it again to show we are up-to-date
3485 aio_utime $fh, undef, undef;
3486
3487 close $fh
3488 or return;
3489
3490 aio_rename "$runtime~", $runtime
3491 and return;
3492
3493 warn "runtime file written.\n";
3494
2637 } 3495 1
3496}
3497
3498our $uuid_lock;
3499our $uuid_skip;
3500
3501sub write_uuid_sync($) {
3502 $uuid_skip ||= $_[0];
3503
3504 return if $uuid_lock;
3505 local $uuid_lock = 1;
3506
3507 my $uuid = "$LOCALDIR/uuid";
3508
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3513 $uuid_skip = 0;
3514
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return;
3517
3518 # always fsync - this file is important
3519 aio_fsync $fh
3520 and return;
3521
3522 close $fh
3523 or return;
3524
3525 aio_rename "$uuid~", $uuid
3526 and return;
3527
3528 warn "uuid file written ($value).\n";
3529
3530 1
3531
3532}
3533
3534sub write_uuid($$) {
3535 my ($skip, $sync) = @_;
3536
3537 $sync ? write_uuid_sync $skip
3538 : async { write_uuid_sync $skip };
2638} 3539}
2639 3540
2640sub emergency_save() { 3541sub emergency_save() {
2641 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
2642 3543
2648 # and maps saved/destroyed asynchronously. 3549 # and maps saved/destroyed asynchronously.
2649 warn "begin emergency player save\n"; 3550 warn "begin emergency player save\n";
2650 for my $login (keys %cf::PLAYER) { 3551 for my $login (keys %cf::PLAYER) {
2651 my $pl = $cf::PLAYER{$login} or next; 3552 my $pl = $cf::PLAYER{$login} or next;
2652 $pl->valid or next; 3553 $pl->valid or next;
3554 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653 $pl->save; 3555 $pl->save;
2654 } 3556 }
2655 warn "end emergency player save\n"; 3557 warn "end emergency player save\n";
2656 3558
2657 warn "begin emergency map save\n"; 3559 warn "begin emergency map save\n";
2663 warn "end emergency map save\n"; 3565 warn "end emergency map save\n";
2664 3566
2665 warn "begin emergency database checkpoint\n"; 3567 warn "begin emergency database checkpoint\n";
2666 BDB::db_env_txn_checkpoint $DB_ENV; 3568 BDB::db_env_txn_checkpoint $DB_ENV;
2667 warn "end emergency database checkpoint\n"; 3569 warn "end emergency database checkpoint\n";
3570
3571 warn "begin write uuid\n";
3572 write_uuid_sync 1;
3573 warn "end write uuid\n";
2668 }; 3574 };
2669 3575
2670 warn "leave emergency perl save\n"; 3576 warn "leave emergency perl save\n";
2671} 3577}
2672 3578
2687 warn "reloading..."; 3593 warn "reloading...";
2688 3594
2689 warn "entering sync_job"; 3595 warn "entering sync_job";
2690 3596
2691 cf::sync_job { 3597 cf::sync_job {
2692 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
2693 cf::emergency_save; 3599 cf::emergency_save;
2694 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2695 3601
2696 warn "syncing database to disk"; 3602 warn "syncing database to disk";
2697 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2698 3604
2699 # if anything goes wrong in here, we should simply crash as we already saved 3605 # if anything goes wrong in here, we should simply crash as we already saved
2700
2701 warn "cancelling all WF_AUTOCANCEL watchers";
2702 for (Event::all_watchers) {
2703 $_->cancel if $_->data & WF_AUTOCANCEL;
2704 }
2705 3606
2706 warn "flushing outstanding aio requests"; 3607 warn "flushing outstanding aio requests";
2707 for (;;) { 3608 for (;;) {
2708 BDB::flush; 3609 BDB::flush;
2709 IO::AIO::flush; 3610 IO::AIO::flush;
2710 Coro::cede; 3611 Coro::cede_notself;
2711 last unless IO::AIO::nreqs || BDB::nreqs; 3612 last unless IO::AIO::nreqs || BDB::nreqs;
2712 warn "iterate..."; 3613 warn "iterate...";
2713 } 3614 }
2714 3615
2715 ++$RELOAD; 3616 ++$RELOAD;
2719 %EXT_CORO = (); 3620 %EXT_CORO = ();
2720 3621
2721 warn "removing commands"; 3622 warn "removing commands";
2722 %COMMAND = (); 3623 %COMMAND = ();
2723 3624
2724 warn "removing ext commands"; 3625 warn "removing ext/exti commands";
2725 %EXTCMD = (); 3626 %EXTCMD = ();
3627 %EXTICMD = ();
2726 3628
2727 warn "unloading/nuking all extensions"; 3629 warn "unloading/nuking all extensions";
2728 for my $pkg (@EXTS) { 3630 for my $pkg (@EXTS) {
2729 warn "... unloading $pkg"; 3631 warn "... unloading $pkg";
2730 3632
2773 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
2774 require cf; 3676 require cf;
2775 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2776 3678
2777 warn "loading config and database again"; 3679 warn "loading config and database again";
2778 cf::cfg_load; 3680 cf::reload_config;
2779 3681
2780 warn "loading extensions"; 3682 warn "loading extensions";
2781 cf::load_extensions; 3683 cf::load_extensions;
2782 3684
2783 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
2790 warn "leaving sync_job"; 3692 warn "leaving sync_job";
2791 3693
2792 1 3694 1
2793 } or do { 3695 } or do {
2794 warn $@; 3696 warn $@;
2795 warn "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
2796 exit 1;
2797 }; 3698 };
2798 3699
2799 warn "reloaded"; 3700 warn "reloaded";
2800}; 3701};
2801 3702
2803 3704
2804sub reload_perl() { 3705sub reload_perl() {
2805 # doing reload synchronously and two reloads happen back-to-back, 3706 # doing reload synchronously and two reloads happen back-to-back,
2806 # coro crashes during coro_state_free->destroy here. 3707 # coro crashes during coro_state_free->destroy here.
2807 3708
2808 $RELOAD_WATCHER ||= Event->timer ( 3709 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2809 reentrant => 0,
2810 after => 0,
2811 data => WF_AUTOCANCEL,
2812 cb => sub {
2813 do_reload_perl; 3710 do_reload_perl;
2814 undef $RELOAD_WATCHER; 3711 undef $RELOAD_WATCHER;
2815 },
2816 ); 3712 };
2817} 3713}
2818 3714
2819register_command "reload" => sub { 3715register_command "reload" => sub {
2820 my ($who, $arg) = @_; 3716 my ($who, $arg) = @_;
2821 3717
2822 if ($who->flag (FLAG_WIZ)) { 3718 if ($who->flag (FLAG_WIZ)) {
2823 $who->message ("reloading server."); 3719 $who->message ("reloading server.");
3720 async {
3721 $Coro::current->{desc} = "perl_reload";
2824 async { reload_perl }; 3722 reload_perl;
3723 };
2825 } 3724 }
2826}; 3725};
2827 3726
2828unshift @INC, $LIBDIR; 3727unshift @INC, $LIBDIR;
2829 3728
2831 3730
2832our @WAIT_FOR_TICK; 3731our @WAIT_FOR_TICK;
2833our @WAIT_FOR_TICK_BEGIN; 3732our @WAIT_FOR_TICK_BEGIN;
2834 3733
2835sub wait_for_tick { 3734sub wait_for_tick {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3735 return if tick_inhibit || $Coro::current == $Coro::main;
2838 3736
2839 my $signal = new Coro::Signal; 3737 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK, $signal; 3738 push @WAIT_FOR_TICK, $signal;
2841 $signal->wait; 3739 $signal->wait;
2842} 3740}
2843 3741
2844sub wait_for_tick_begin { 3742sub wait_for_tick_begin {
2845 return unless $TICK_WATCHER->is_active;
2846 return if $Coro::current == $Coro::main; 3743 return if tick_inhibit || $Coro::current == $Coro::main;
2847 3744
2848 my $signal = new Coro::Signal; 3745 my $signal = new Coro::Signal;
2849 push @WAIT_FOR_TICK_BEGIN, $signal; 3746 push @WAIT_FOR_TICK_BEGIN, $signal;
2850 $signal->wait; 3747 $signal->wait;
2851} 3748}
2852 3749
2853$TICK_WATCHER = Event->timer ( 3750sub tick {
2854 reentrant => 0,
2855 parked => 1,
2856 prio => 0,
2857 at => $NEXT_TICK || $TICK,
2858 data => WF_AUTOCANCEL,
2859 cb => sub {
2860 if ($Coro::current != $Coro::main) { 3751 if ($Coro::current != $Coro::main) {
2861 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3752 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862 unless ++$bug_warning > 10; 3753 unless ++$bug_warning > 10;
2863 return; 3754 return;
2864 } 3755 }
2865 3756
2866 $NOW = $tick_start = Event::time;
2867
2868 cf::server_tick; # one server iteration 3757 cf::server_tick; # one server iteration
2869 3758
2870 $RUNTIME += $TICK;
2871 $NEXT_TICK += $TICK;
2872
2873 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3759 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874 $NEXT_RUNTIME_WRITE = $NOW + 10; 3760 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875 Coro::async_pool { 3761 Coro::async_pool {
3762 $Coro::current->{desc} = "runtime saver";
2876 write_runtime 3763 write_runtime_sync
2877 or warn "ERROR: unable to write runtime file: $!"; 3764 or warn "ERROR: unable to write runtime file: $!";
2878 };
2879 } 3765 };
3766 }
2880 3767
2881# my $AFTER = Event::time;
2882# warn $AFTER - $NOW;#d#
2883
2884 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885 $sig->send; 3769 $sig->send;
2886 } 3770 }
2887 while (my $sig = shift @WAIT_FOR_TICK) { 3771 while (my $sig = shift @WAIT_FOR_TICK) {
2888 $sig->send; 3772 $sig->send;
2889 } 3773 }
2890 3774
2891 $NOW = Event::time; 3775 $LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893 # if we are delayed by four ticks or more, skip them all
2894 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896 $TICK_WATCHER->at ($NEXT_TICK);
2897 $TICK_WATCHER->start;
2898
2899 $LOAD = ($NOW - $tick_start) / $TICK;
2900 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3776 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901 3777
2902 _post_tick; 3778 if (0) {
2903 3779 if ($NEXT_TICK) {
2904 3780 my $jitter = $TICK_START - $NEXT_TICK;
3781 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3782 warn "jitter $JITTER\n";#d#
3783 }
2905 }, 3784 }
2906); 3785}
2907 3786
2908{ 3787{
2909 BDB::max_poll_time $TICK * 0.1; 3788 # configure BDB
2910 $BDB_POLL_WATCHER = Event->io ( 3789
2911 reentrant => 0,
2912 fd => BDB::poll_fileno,
2913 poll => 'r',
2914 prio => 0,
2915 data => WF_AUTOCANCEL,
2916 cb => \&BDB::poll_cb,
2917 );
2918 BDB::min_parallel 8; 3790 BDB::min_parallel 8;
2919 3791 BDB::max_poll_reqs $TICK * 0.1;
2920 BDB::set_sync_prepare { 3792 $Coro::BDB::WATCHER->priority (1);
2921 my $status;
2922 my $current = $Coro::current;
2923 (
2924 sub {
2925 $status = $!;
2926 $current->ready; undef $current;
2927 },
2928 sub {
2929 Coro::schedule while defined $current;
2930 $! = $status;
2931 },
2932 )
2933 };
2934 3793
2935 unless ($DB_ENV) { 3794 unless ($DB_ENV) {
2936 $DB_ENV = BDB::db_env_create; 3795 $DB_ENV = BDB::db_env_create;
3796 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3797 | BDB::LOG_AUTOREMOVE, 1);
3798 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937 3800
2938 cf::sync_job { 3801 cf::sync_job {
2939 eval { 3802 eval {
2940 BDB::db_env_open 3803 BDB::db_env_open
2941 $DB_ENV, 3804 $DB_ENV,
2943 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3806 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3807 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945 0666; 3808 0666;
2946 3809
2947 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3810 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950 $DB_ENV->set_lk_detect;
2951 }; 3811 };
2952 3812
2953 cf::cleanup "db_env_open(db): $@" if $@; 3813 cf::cleanup "db_env_open(db): $@" if $@;
2954 }; 3814 };
2955 } 3815 }
3816
3817 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3818 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3819 };
3820 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3821 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3822 };
3823 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3824 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3825 };
2956} 3826}
2957 3827
2958{ 3828{
3829 # configure IO::AIO
3830
2959 IO::AIO::min_parallel 8; 3831 IO::AIO::min_parallel 8;
2960
2961 undef $Coro::AIO::WATCHER;
2962 IO::AIO::max_poll_time $TICK * 0.1; 3832 IO::AIO::max_poll_time $TICK * 0.1;
2963 $AIO_POLL_WATCHER = Event->io ( 3833 $Coro::AIO::WATCHER->priority (1);
2964 reentrant => 0,
2965 data => WF_AUTOCANCEL,
2966 fd => IO::AIO::poll_fileno,
2967 poll => 'r',
2968 prio => 6,
2969 cb => \&IO::AIO::poll_cb,
2970 );
2971} 3834}
2972 3835
2973my $_log_backtrace; 3836my $_log_backtrace;
2974 3837
2975sub _log_backtrace { 3838sub _log_backtrace {
2979 3842
2980 # limit the # of concurrent backtraces 3843 # limit the # of concurrent backtraces
2981 if ($_log_backtrace < 2) { 3844 if ($_log_backtrace < 2) {
2982 ++$_log_backtrace; 3845 ++$_log_backtrace;
2983 async { 3846 async {
3847 $Coro::current->{desc} = "abt $msg";
3848
2984 my @bt = fork_call { 3849 my @bt = fork_call {
2985 @addr = map { sprintf "%x", $_ } @addr; 3850 @addr = map { sprintf "%x", $_ } @addr;
2986 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3851 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3852 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988 or die "addr2line: $!"; 3853 or die "addr2line: $!";

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