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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.261 by root, Fri Apr 27 20:09:48 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
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;
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 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::AnyEvent;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
22use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB 1.6;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::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 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
94 124
95binmode STDOUT; 125binmode STDOUT;
96binmode STDERR; 126binmode STDERR;
97 127
98# read virtual server time, if available 128# read virtual server time, if available
139 169
140=item $cf::TICK 170=item $cf::TICK
141 171
142The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
143 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
144=item %cf::CFG 184=item %cf::CFG
145 185
146Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 187from wherever your confdir points to.
148 188
149=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
150 190
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
155=back 201=back
156 202
157=cut 203=cut
158 204
159BEGIN { 205BEGIN {
163 $msg .= "\n" 209 $msg .= "\n"
164 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
165 211
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 213
168 utf8::encode $msg;
169 LOG llevError, $msg; 214 LOG llevError, $msg;
170 }; 215 };
171} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
172 232
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 240
180# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 242# within the Safe compartment.
182for my $pkg (qw( 243for my $pkg (qw(
183 cf::global cf::attachable 244 cf::global cf::attachable
184 cf::object cf::object::player 245 cf::object cf::object::player
185 cf::client cf::player 246 cf::client cf::player
186 cf::arch cf::living 247 cf::arch cf::living
248 cf::map cf::mapspace
187 cf::map cf::party cf::region 249 cf::party cf::region
188)) { 250)) {
189 no strict 'refs'; 251 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 252 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 253}
192 254
193$Event::DIED = sub { 255$EV::DIED = sub {
194 warn "error in event callback: @_"; 256 warn "error in event callback: @_";
195}; 257};
258
259#############################################################################
196 260
197=head2 UTILITY FUNCTIONS 261=head2 UTILITY FUNCTIONS
198 262
199=over 4 263=over 4
200 264
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 283 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 284 $d
221 } || "[unable to dump $_[0]: '$@']"; 285 } || "[unable to dump $_[0]: '$@']";
222} 286}
223 287
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 288=item $ref = cf::decode_json $json
227 289
228Converts a JSON string into the corresponding perl data structure. 290Converts a JSON string into the corresponding perl data structure.
229 291
230=item $json = cf::to_json $ref 292=item $json = cf::encode_json $ref
231 293
232Converts a perl data structure into its JSON representation. 294Converts a perl data structure into its JSON representation.
295
296=cut
297
298our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299
300sub encode_json($) { $json_coder->encode ($_[0]) }
301sub decode_json($) { $json_coder->decode ($_[0]) }
233 302
234=item cf::lock_wait $string 303=item cf::lock_wait $string
235 304
236Wait until the given lock is available. See cf::lock_acquire. 305Wait until the given lock is available. See cf::lock_acquire.
237 306
240Wait until the given lock is available and then acquires it and returns 309Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 310a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 311for example when the coroutine gets canceled), the lock is automatically
243returned. 312returned.
244 313
314Locks are *not* recursive, locking from the same coro twice results in a
315deadlocked coro.
316
245Lock names should begin with a unique identifier (for example, cf::map::find 317Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 318uses map_find and cf::map::load uses map_load).
247 319
248=item $locked = cf::lock_active $string 320=item $locked = cf::lock_active $string
249 321
250Return true if the lock is currently active, i.e. somebody has locked it. 322Return true if the lock is currently active, i.e. somebody has locked it.
251 323
252=cut 324=cut
253 325
254our %LOCK; 326our %LOCK;
327our %LOCKER;#d#
255 328
256sub lock_wait($) { 329sub lock_wait($) {
257 my ($key) = @_; 330 my ($key) = @_;
331
332 if ($LOCKER{$key} == $Coro::current) {#d#
333 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334 return;#d#
335 }#d#
258 336
259 # wait for lock, if any 337 # wait for lock, if any
260 while ($LOCK{$key}) { 338 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 339 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 340 Coro::schedule;
268 346
269 # wait, to be sure we are not locked 347 # wait, to be sure we are not locked
270 lock_wait $key; 348 lock_wait $key;
271 349
272 $LOCK{$key} = []; 350 $LOCK{$key} = [];
351 $LOCKER{$key} = $Coro::current;#d#
273 352
274 Coro::guard { 353 Coro::guard {
354 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 355 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 356 $_->ready for @{ delete $LOCK{$key} };
277 } 357 }
278} 358}
279 359
282 362
283 ! ! $LOCK{$key} 363 ! ! $LOCK{$key}
284} 364}
285 365
286sub freeze_mainloop { 366sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 367 tick_inhibit_inc;
288 368
289 my $guard = Coro::guard { 369 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 370}
371
372=item cf::periodic $interval, $cb
373
374Like EV::periodic, but randomly selects a starting point so that the actions
375get spread over timer.
376
377=cut
378
379sub periodic($$) {
380 my ($interval, $cb) = @_;
381
382 my $start = rand List::Util::min 180, $interval;
383
384 EV::periodic $start, $interval, 0, $cb
385}
386
387=item cf::get_slot $time[, $priority[, $name]]
388
389Allocate $time seconds of blocking CPU time at priority C<$priority>:
390This call blocks and returns only when you have at least C<$time> seconds
391of cpu time till the next tick. The slot is only valid till the next cede.
392
393The optional C<$name> can be used to identify the job to run. It might be
394used for statistical purposes and should identify the same time-class.
395
396Useful for short background jobs.
397
398=cut
399
400our @SLOT_QUEUE;
401our $SLOT_QUEUE;
402
403$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404$SLOT_QUEUE = Coro::async {
405 $Coro::current->desc ("timeslot manager");
406
407 my $signal = new Coro::Signal;
408
409 while () {
410 next_job:
411 my $avail = cf::till_tick;
412 if ($avail > 0.01) {
413 for (0 .. $#SLOT_QUEUE) {
414 if ($SLOT_QUEUE[$_][0] < $avail) {
415 my $job = splice @SLOT_QUEUE, $_, 1, ();
416 $job->[2]->send;
417 Coro::cede;
418 goto next_job;
419 }
420 }
421 }
422
423 if (@SLOT_QUEUE) {
424 # we do not use wait_for_tick() as it returns immediately when tick is inactive
425 push @cf::WAIT_FOR_TICK, $signal;
426 $signal->wait;
427 } else {
428 Coro::schedule;
429 }
291 }; 430 }
292 $TICK_WATCHER->stop; 431};
293 $guard 432
433sub get_slot($;$$) {
434 return if tick_inhibit || $Coro::current == $Coro::main;
435
436 my ($time, $pri, $name) = @_;
437
438 $time = $TICK * .6 if $time > $TICK * .6;
439 my $sig = new Coro::Signal;
440
441 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
442 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
443 $SLOT_QUEUE->ready;
444 $sig->wait;
294} 445}
295 446
296=item cf::async { BLOCK } 447=item cf::async { BLOCK }
297 448
298Currently the same as Coro::async_pool, meaning you cannot use 449Currently the same as Coro::async_pool, meaning you cannot use
303 454
304BEGIN { *async = \&Coro::async_pool } 455BEGIN { *async = \&Coro::async_pool }
305 456
306=item cf::sync_job { BLOCK } 457=item cf::sync_job { BLOCK }
307 458
308The design of crossfire+ requires that the main coro ($Coro::main) is 459The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 460is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 461partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
462acceptable.
311 463
312If it must be done, put the blocking parts into C<sync_job>. This will run 464If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 465the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 466server will be frozen during this time, so the block should either finish
315fast or be very important. 467fast or be very important.
318 470
319sub sync_job(&) { 471sub sync_job(&) {
320 my ($job) = @_; 472 my ($job) = @_;
321 473
322 if ($Coro::current == $Coro::main) { 474 if ($Coro::current == $Coro::main) {
475 my $time = EV::time;
476
323 # this is the main coro, too bad, we have to block 477 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 478 # till the operation succeeds, freezing the server :/
325 479
326 # TODO: use suspend/resume instead 480 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 481
328 my $freeze_guard = freeze_mainloop; 482 my $freeze_guard = freeze_mainloop;
329 483
330 my $busy = 1; 484 my $busy = 1;
331 my @res; 485 my @res;
332 486
333 (async { 487 (async {
488 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 489 @res = eval { $job->() };
335 warn $@ if $@; 490 warn $@ if $@;
336 undef $busy; 491 undef $busy;
337 })->prio (Coro::PRIO_MAX); 492 })->prio (Coro::PRIO_MAX);
338 493
339 while ($busy) { 494 while ($busy) {
340 Coro::cede or Event::one_event; 495 if (Coro::nready) {
496 Coro::cede_notself;
497 } else {
498 EV::loop EV::LOOP_ONESHOT;
341 } 499 }
500 }
501
502 my $time = EV::time - $time;
503
504 $TICK_START += $time; # do not account sync jobs to server load
342 505
343 wantarray ? @res : $res[0] 506 wantarray ? @res : $res[0]
344 } else { 507 } else {
345 # we are in another coroutine, how wonderful, everything just works 508 # we are in another coroutine, how wonderful, everything just works
346 509
366 $EXT_CORO{$coro+0} = $coro; 529 $EXT_CORO{$coro+0} = $coro;
367 530
368 $coro 531 $coro
369} 532}
370 533
371sub write_runtime { 534=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 535
374 my $runtime = "$LOCALDIR/runtime"; 536Executes the given code block with the given arguments in a seperate
537process, returning the results. Everything must be serialisable with
538Coro::Storable. May, of course, block. Note that the executed sub may
539never block itself or use any form of event handling.
375 540
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 541=cut
377 or return;
378 542
379 my $value = $cf::RUNTIME + 90 + 10; 543sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 544 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 545
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 546 # we seemingly have to make a local copy of the whole thing,
384 and return; 547 # otherwise perl prematurely frees the stuff :/
548 # TODO: investigate and fix (likely this will be rather laborious)
385 549
386 # always fsync - this file is important 550 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 551 reset_signals;
388 and return; 552 &$cb
553 }, @args;
389 554
390 close $fh 555 wantarray ? @res : $res[-1]
391 or return; 556}
392 557
393 aio_rename "$runtime~", $runtime 558=item $coin = coin_from_name $name
394 and return;
395 559
560=cut
561
562our %coin_alias = (
563 "silver" => "silvercoin",
564 "silvercoin" => "silvercoin",
565 "silvercoins" => "silvercoin",
566 "gold" => "goldcoin",
567 "goldcoin" => "goldcoin",
568 "goldcoins" => "goldcoin",
569 "platinum" => "platinacoin",
570 "platinumcoin" => "platinacoin",
571 "platinumcoins" => "platinacoin",
572 "platina" => "platinacoin",
573 "platinacoin" => "platinacoin",
574 "platinacoins" => "platinacoin",
575 "royalty" => "royalty",
576 "royalties" => "royalty",
577);
578
579sub coin_from_name($) {
580 $coin_alias{$_[0]}
581 ? cf::arch::find $coin_alias{$_[0]}
582 : undef
583}
584
585=item $value = cf::db_get $family => $key
586
587Returns a single value from the environment database.
588
589=item cf::db_put $family => $key => $value
590
591Stores the given C<$value> in the family. It can currently store binary
592data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
593
594=item $db = cf::db_table "name"
595
596Create and/or open a new database table. The string must not be "db" and must be unique
597within each server.
598
599=cut
600
601sub db_table($) {
602 my ($name) = @_;
603 my $db = BDB::db_create $DB_ENV;
604
605 eval {
606 $db->set_flags (BDB::CHKSUM);
607
608 utf8::encode $name;
609 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
610 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
611 cf::cleanup "db_open(db): $!" if $!;
612 };
613 cf::cleanup "db_open(db): $@" if $@;
614
615 $db
616}
617
618our $DB;
619
620sub db_init {
621 cf::sync_job {
622 $DB ||= db_table "db";
623 };
624}
625
626sub db_get($$) {
627 my $key = "$_[0]/$_[1]";
628
629 cf::sync_job {
630 BDB::db_get $DB, undef, $key, my $data;
631
632 $! ? ()
633 : $data
396 1 634 }
635}
636
637sub db_put($$$) {
638 BDB::dbreq_pri 4;
639 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
640}
641
642=item cf::cache $id => [$paths...], $processversion => $process
643
644Generic caching function that returns the value of the resource $id,
645caching and regenerating as required.
646
647This function can block.
648
649=cut
650
651sub cache {
652 my ($id, $src, $processversion, $process) = @_;
653
654 my $meta =
655 join "\x00",
656 $processversion,
657 map {
658 aio_stat $_
659 and Carp::croak "$_: $!";
660
661 ($_, (stat _)[7,9])
662 } @$src;
663
664 my $dbmeta = db_get cache => "$id/meta";
665 if ($dbmeta ne $meta) {
666 # changed, we may need to process
667
668 my @data;
669 my $md5;
670
671 for (0 .. $#$src) {
672 0 <= aio_load $src->[$_], $data[$_]
673 or Carp::croak "$src->[$_]: $!";
674 }
675
676 # if processing is expensive, check
677 # checksum first
678 if (1) {
679 $md5 =
680 join "\x00",
681 $processversion,
682 map {
683 cf::cede_to_tick;
684 ($src->[$_], Digest::MD5::md5_hex $data[$_])
685 } 0.. $#$src;
686
687
688 my $dbmd5 = db_get cache => "$id/md5";
689 if ($dbmd5 eq $md5) {
690 db_put cache => "$id/meta", $meta;
691
692 return db_get cache => "$id/data";
693 }
694 }
695
696 my $t1 = Time::HiRes::time;
697 my $data = $process->(\@data);
698 my $t2 = Time::HiRes::time;
699
700 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
701
702 db_put cache => "$id/data", $data;
703 db_put cache => "$id/md5" , $md5;
704 db_put cache => "$id/meta", $meta;
705
706 return $data;
707 }
708
709 db_get cache => "$id/data"
397} 710}
398 711
399=item cf::datalog type => key => value, ... 712=item cf::datalog type => key => value, ...
400 713
401Log a datalog packet of the given type with the given key-value pairs. 714Log a datalog packet of the given type with the given key-value pairs.
419attach callbacks/event handlers (a collection of which is called an "attachment") 732attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 733to it. All such attachable objects support the following methods.
421 734
422In the following description, CLASS can be any of C<global>, C<object> 735In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 736C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 737Deliantra).
425 738
426=over 4 739=over 4
427 740
428=item $attachable->attach ($attachment, key => $value...) 741=item $attachable->attach ($attachment, key => $value...)
429 742
592 $registry = $CB_TYPE[$object_type] ||= []; 905 $registry = $CB_TYPE[$object_type] ||= [];
593 906
594 } elsif ($type eq "subtype") { 907 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 908 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 909 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 910 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 911
599 } elsif ($type eq "package") { 912 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 913 my $pkg = shift @arg;
601 914
602 while (my ($name, $id) = each %cb_id) { 915 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 944 _attach $registry, $klass, @attach;
632 } 945 }
633 946
634 $obj->{$name} = \%arg; 947 $obj->{$name} = \%arg;
635 } else { 948 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 949 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 950 }
638 951
639 $obj->{_attachment}{$name} = undef; 952 $obj->{_attachment}{$name} = undef;
640} 953}
641 954
643 if (ref $_[0]) { 956 if (ref $_[0]) {
644 _object_attach @_; 957 _object_attach @_;
645 } else { 958 } else {
646 _attach shift->_attach_registry, @_; 959 _attach shift->_attach_registry, @_;
647 } 960 }
961 _recalc_want;
648}; 962};
649 963
650# all those should be optimised 964# all those should be optimised
651sub cf::attachable::detach { 965sub cf::attachable::detach {
652 my ($obj, $name) = @_; 966 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 969 delete $obj->{_attachment}{$name};
656 reattach ($obj); 970 reattach ($obj);
657 } else { 971 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 972 Carp::croak "cannot, currently, detach class attachments";
659 } 973 }
974 _recalc_want;
660}; 975};
661 976
662sub cf::attachable::attached { 977sub cf::attachable::attached {
663 my ($obj, $name) = @_; 978 my ($obj, $name) = @_;
664 979
679 "; 994 ";
680 die if $@; 995 die if $@;
681} 996}
682 997
683our $override; 998our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 999our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 1000
686sub override { 1001sub override {
687 $override = 1; 1002 $override = 1;
688 @invoke_results = (); 1003 @INVOKE_RESULTS = (@_);
689} 1004}
690 1005
691sub do_invoke { 1006sub do_invoke {
692 my $event = shift; 1007 my $event = shift;
693 my $callbacks = shift; 1008 my $callbacks = shift;
694 1009
695 @invoke_results = (); 1010 @INVOKE_RESULTS = ();
696 1011
697 local $override; 1012 local $override;
698 1013
699 for (@$callbacks) { 1014 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1015 eval { &{$_->[1]} };
709 } 1024 }
710 1025
711 0 1026 0
712} 1027}
713 1028
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1030
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1031=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1032
718Generate an object-specific event with the given arguments. 1033Generate an object-specific event with the given arguments.
719 1034
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1035This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1036removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1037results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1038
724=back 1039=back
725 1040
726=cut 1041=cut
727 1042
728############################################################################# 1043#############################################################################
729# object support 1044# object support
1045
1046sub _object_equal($$);
1047sub _object_equal($$) {
1048 my ($a, $b) = @_;
1049
1050 return 0 unless (ref $a) eq (ref $b);
1051
1052 if ("HASH" eq ref $a) {
1053 my @ka = keys %$a;
1054 my @kb = keys %$b;
1055
1056 return 0 if @ka != @kb;
1057
1058 for (0 .. $#ka) {
1059 return 0 unless $ka[$_] eq $kb[$_];
1060 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1061 }
1062
1063 } elsif ("ARRAY" eq ref $a) {
1064
1065 return 0 if @$a != @$b;
1066
1067 for (0 .. $#$a) {
1068 return 0 unless _object_equal $a->[$_], $b->[$_];
1069 }
1070
1071 } elsif ($a ne $b) {
1072 return 0;
1073 }
1074
1075 1
1076}
1077
1078our $SLOW_MERGES;#d#
1079sub _can_merge {
1080 my ($ob1, $ob2) = @_;
1081
1082 ++$SLOW_MERGES;#d#
1083
1084 # we do the slow way here
1085 return _object_equal $ob1, $ob2
1086}
730 1087
731sub reattach { 1088sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1089 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1090 my ($obj) = @_;
734 1091
755cf::attachable->attach ( 1112cf::attachable->attach (
756 prio => -1000000, 1113 prio => -1000000,
757 on_instantiate => sub { 1114 on_instantiate => sub {
758 my ($obj, $data) = @_; 1115 my ($obj, $data) = @_;
759 1116
760 $data = from_json $data; 1117 $data = decode_json $data;
761 1118
762 for (@$data) { 1119 for (@$data) {
763 my ($name, $args) = @$_; 1120 my ($name, $args) = @$_;
764 1121
765 $obj->attach ($name, %{$args || {} }); 1122 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1138sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1139 my ($filename, $rdata, $objs) = @_;
783 1140
784 sync_job { 1141 sync_job {
785 if (length $$rdata) { 1142 if (length $$rdata) {
1143 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1144 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1145 $decname, length $$rdata, scalar @$objs;
788 1146
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1147 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1148 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1149 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1150 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1151 aio_close $fh;
794 1152
795 if (@$objs) { 1153 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1156 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1157 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1158 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1159 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1160 aio_rename "$filename.pst~", "$filename.pst";
803 } 1161 }
804 } else { 1162 } else {
805 aio_unlink "$filename.pst"; 1163 aio_unlink "$filename.pst";
806 } 1164 }
811 } 1169 }
812 } else { 1170 } else {
813 aio_unlink $filename; 1171 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1172 aio_unlink "$filename.pst";
815 } 1173 }
816 } 1174 };
817} 1175}
818 1176
819sub object_freezer_as_string { 1177sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1178 my ($rdata, $objs) = @_;
821 1179
833 or return; 1191 or return;
834 1192
835 unless (aio_stat "$filename.pst") { 1193 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1194 (aio_load "$filename.pst", $av) >= 0
837 or return; 1195 or return;
1196
838 $av = eval { (Storable::thaw $av)->{objs} }; 1197 my $st = eval { Coro::Storable::thaw $av };
1198 $av = $st->{objs};
839 } 1199 }
840 1200
1201 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1202 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1203 $decname, length $data, scalar @{$av || []};
1204
843 return ($data, $av); 1205 ($data, $av)
844} 1206}
1207
1208=head2 COMMAND CALLBACKS
1209
1210=over 4
1211
1212=cut
845 1213
846############################################################################# 1214#############################################################################
847# command handling &c 1215# command handling &c
848 1216
849=item cf::register_command $name => \&callback($ob,$args); 1217=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1230 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1231}
864 1232
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1233=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1234
867Register a callbackf ro execution when the client sends an extcmd packet. 1235Register a callback for execution when the client sends an (synchronous)
1236extcmd packet. Ext commands will be processed in the order they are
1237received by the server, like other user commands. The first argument is
1238the logged-in player. Ext commands can only be processed after a player
1239has logged in successfully.
868 1240
869If the callback returns something, it is sent back as if reply was being 1241If the callback returns something, it is sent back as if reply was being
870called. 1242called.
871 1243
1244=item cf::register_exticmd $name => \&callback($ns,$packet);
1245
1246Register a callback for execution when the client sends an (asynchronous)
1247exticmd packet. Exti commands are processed by the server as soon as they
1248are received, i.e. out of order w.r.t. other commands. The first argument
1249is a client socket. Exti commands can be received anytime, even before
1250log-in.
1251
1252If the callback returns something, it is sent back as if reply was being
1253called.
1254
872=cut 1255=cut
873 1256
874sub register_extcmd { 1257sub register_extcmd {
875 my ($name, $cb) = @_; 1258 my ($name, $cb) = @_;
876 1259
877 $EXTCMD{$name} = $cb; 1260 $EXTCMD{$name} = $cb;
1261}
1262
1263sub register_exticmd {
1264 my ($name, $cb) = @_;
1265
1266 $EXTICMD{$name} = $cb;
878} 1267}
879 1268
880cf::player->attach ( 1269cf::player->attach (
881 on_command => sub { 1270 on_command => sub {
882 my ($pl, $name, $params) = @_; 1271 my ($pl, $name, $params) = @_;
891 cf::override; 1280 cf::override;
892 }, 1281 },
893 on_extcmd => sub { 1282 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1283 my ($pl, $buf) = @_;
895 1284
896 my $msg = eval { from_json $buf }; 1285 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1286
898 if (ref $msg) { 1287 if (ref $msg) {
1288 my ($type, $reply, @payload) =
1289 "ARRAY" eq ref $msg
1290 ? @$msg
1291 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1292
1293 my @reply;
1294
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1295 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1296 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1297 }
1298
1299 $pl->ext_reply ($reply, @reply)
1300 if $reply;
1301
904 } else { 1302 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1303 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1304 }
907 1305
908 cf::override; 1306 cf::override;
909 }, 1307 },
910); 1308);
911 1309
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1310sub load_extensions {
1311 cf::sync_job {
1312 my %todo;
1313
947 for my $ext (<$LIBDIR/*.ext>) { 1314 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1315 next unless -r $path;
949 eval { 1316
950 load_extension $ext; 1317 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1318 my $base = $1;
1319 my $pkg = $1;
1320 $pkg =~ s/[^[:word:]]/_/g;
1321 $pkg = "ext::$pkg";
1322
1323 open my $fh, "<:utf8", $path
1324 or die "$path: $!";
1325
1326 my $source = do { local $/; <$fh> };
1327
1328 my %ext = (
1329 path => $path,
1330 base => $base,
1331 pkg => $pkg,
1332 );
1333
1334 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336
1337 $ext{source} =
1338 "package $pkg; use strict; use utf8;\n"
1339 . "#line 1 \"$path\"\n{\n"
1340 . $source
1341 . "\n};\n1";
1342
1343 $todo{$base} = \%ext;
1344 }
1345
1346 my %done;
1347 while (%todo) {
1348 my $progress;
1349
1350 while (my ($k, $v) = each %todo) {
1351 for (split /,\s*/, $v->{meta}{depends}) {
1352 goto skip
1353 unless exists $done{$_};
1354 }
1355
1356 warn "... loading '$k' into '$v->{pkg}'\n";
1357
1358 unless (eval $v->{source}) {
1359 my $msg = $@ ? "$v->{path}: $@\n"
1360 : "$v->{base}: extension inactive.\n";
1361
1362 if (exists $v->{meta}{mandatory}) {
1363 warn $msg;
1364 cf::cleanup "mandatory extension failed to load, exiting.";
1365 }
1366
1367 warn $msg;
1368 }
1369
1370 $done{$k} = delete $todo{$k};
1371 push @EXTS, $v->{pkg};
1372 $progress = 1;
951 1 1373 }
952 } or warn "$ext not loaded: $@"; 1374
1375 skip:
1376 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1377 unless $progress;
1378 }
953 } 1379 };
954} 1380}
955 1381
956############################################################################# 1382#############################################################################
957 1383
1384=back
1385
958=head2 CORE EXTENSIONS 1386=head2 CORE EXTENSIONS
959 1387
960Functions and methods that extend core crossfire objects. 1388Functions and methods that extend core crossfire objects.
961 1389
962=cut 1390=cut
966use Coro::AIO; 1394use Coro::AIO;
967 1395
968=head3 cf::player 1396=head3 cf::player
969 1397
970=over 4 1398=over 4
1399
1400=item cf::player::num_playing
1401
1402Returns the official number of playing players, as per the Crossfire metaserver rules.
1403
1404=cut
1405
1406sub num_playing {
1407 scalar grep
1408 $_->ob->map
1409 && !$_->hidden
1410 && !$_->ob->flag (cf::FLAG_WIZ),
1411 cf::player::list
1412}
971 1413
972=item cf::player::find $login 1414=item cf::player::find $login
973 1415
974Returns the given player object, loading it if necessary (might block). 1416Returns the given player object, loading it if necessary (might block).
975 1417
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1453 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1454 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1455 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1456 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1457
1016 my $pl = load_pl path $login 1458 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1459 or return;
1460
1461 my $pl = cf::player::load_pl $f
1462 or return;
1463
1464 local $cf::PLAYER_LOADING{$login} = $pl;
1465 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1466 $cf::PLAYER{$login} = $pl
1019 } 1467 }
1020 } 1468 }
1021} 1469}
1022 1470
1031 return if $pl->{deny_save}; 1479 return if $pl->{deny_save};
1032 1480
1033 aio_mkdir playerdir $pl, 0770; 1481 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1482 $pl->{last_save} = $cf::RUNTIME;
1035 1483
1484 cf::get_slot 0.01;
1485
1036 $pl->save_pl ($path); 1486 $pl->save_pl ($path);
1037 Coro::cede; 1487 cf::cede_to_tick;
1038} 1488}
1039 1489
1040sub new($) { 1490sub new($) {
1041 my ($login) = @_; 1491 my ($login) = @_;
1042 1492
1048 $cf::PLAYER{$login} = $self; 1498 $cf::PLAYER{$login} = $self;
1049 1499
1050 $self 1500 $self
1051} 1501}
1052 1502
1503=item $player->send_msg ($channel, $msg, $color, [extra...])
1504
1505=cut
1506
1507sub send_msg {
1508 my $ns = shift->ns
1509 or return;
1510 $ns->send_msg (@_);
1511}
1512
1053=item $pl->quit_character 1513=item $pl->quit_character
1054 1514
1055Nukes the player without looking back. If logged in, the connection will 1515Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1516be destroyed. May block for a long time.
1057 1517
1065 $pl->{deny_save} = 1; 1525 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1526 $pl->password ("*"); # this should lock out the player until we nuked the dir
1067 1527
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1528 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1529 $pl->deactivate;
1530 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1532 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1533 $pl->ns->destroy if $pl->ns;
1072 1534
1073 my $path = playerdir $pl; 1535 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1536 my $temp = "$path~$cf::RUNTIME~deleting~";
1110 or return []; 1572 or return [];
1111 1573
1112 my @logins; 1574 my @logins;
1113 1575
1114 for my $login (@$dirs) { 1576 for my $login (@$dirs) {
1577 my $path = path $login;
1578
1579 # a .pst is a dead give-away for a valid player
1580 # if no pst file found, open and chekc for blocked users
1581 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1582 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1583 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1584 $buf !~ /^password -------------$/m or next; # official not-valid tag
1585 }
1118 1586
1119 utf8::decode $login; 1587 utf8::decode $login;
1120 push @logins, $login; 1588 push @logins, $login;
1121 } 1589 }
1122 1590
1149 } 1617 }
1150 1618
1151 \@paths 1619 \@paths
1152} 1620}
1153 1621
1622=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1623
1624Expand crossfire pod fragments into protocol xml.
1625
1626=cut
1627
1628use re 'eval';
1629
1630my $group;
1631my $interior; $interior = qr{
1632 # match a pod interior sequence sans C<< >>
1633 (?:
1634 \ (.*?)\ (?{ $group = $^N })
1635 | < (??{$interior}) >
1636 )
1637}x;
1638
1639sub expand_cfpod {
1640 my ($self, $pod) = @_;
1641
1642 my $xml;
1643
1644 while () {
1645 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646 $group = $1;
1647
1648 $group =~ s/&/&amp;/g;
1649 $group =~ s/</&lt;/g;
1650
1651 $xml .= $group;
1652 } elsif ($pod =~ m%\G
1653 ([BCGHITU])
1654 <
1655 (?:
1656 ([^<>]*) (?{ $group = $^N })
1657 | < $interior >
1658 )
1659 >
1660 %gcsx
1661 ) {
1662 my ($code, $data) = ($1, $group);
1663
1664 if ($code eq "B") {
1665 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666 } elsif ($code eq "I") {
1667 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668 } elsif ($code eq "U") {
1669 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670 } elsif ($code eq "C") {
1671 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672 } elsif ($code eq "T") {
1673 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674 } elsif ($code eq "G") {
1675 my ($male, $female) = split /\|/, $data;
1676 $data = $self->gender ? $female : $male;
1677 $xml .= expand_cfpod ($self, $data);
1678 } elsif ($code eq "H") {
1679 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681 "")
1682 [$self->{hintmode}];
1683 } else {
1684 $xml .= "error processing '$code($data)' directive";
1685 }
1686 } else {
1687 if ($pod =~ /\G(.+)/) {
1688 warn "parse error while expanding $pod (at $1)";
1689 }
1690 last;
1691 }
1692 }
1693
1694 for ($xml) {
1695 # create single paragraphs (very hackish)
1696 s/(?<=\S)\n(?=\w)/ /g;
1697
1698 # compress some whitespace
1699 s/\s+\n/\n/g; # ws line-ends
1700 s/\n\n+/\n/g; # double lines
1701 s/^\n+//; # beginning lines
1702 s/\n+$//; # ending lines
1703 }
1704
1705 $xml
1706}
1707
1708no re 'eval';
1709
1710sub hintmode {
1711 $_[0]{hintmode} = $_[1] if @_ > 1;
1712 $_[0]{hintmode}
1713}
1714
1154=item $player->ext_reply ($msgid, %msg) 1715=item $player->ext_reply ($msgid, @msg)
1155 1716
1156Sends an ext reply to the player. 1717Sends an ext reply to the player.
1157 1718
1158=cut 1719=cut
1159 1720
1160sub ext_reply($$%) { 1721sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1722 my ($self, $id, @msg) = @_;
1162 1723
1163 $msg{msgid} = $id; 1724 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1725}
1167 1726
1168=item $player->ext_event ($type, %msg) 1727=item $player->ext_msg ($type, @msg)
1169 1728
1170Sends an ext event to the client. 1729Sends an ext event to the client.
1171 1730
1172=cut 1731=cut
1173 1732
1174sub ext_event($$%) { 1733sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1734 my ($self, $type, @msg) = @_;
1176 1735
1177 $self->ns->ext_event ($type, %msg); 1736 $self->ns->ext_msg ($type, @msg);
1178} 1737}
1179 1738
1180=head3 cf::region 1739=head3 cf::region
1181 1740
1182=over 4 1741=over 4
1185 1744
1186package cf::region; 1745package cf::region;
1187 1746
1188=item cf::region::find_by_path $path 1747=item cf::region::find_by_path $path
1189 1748
1190Tries to decuce the probable region for a map knowing only its path. 1749Tries to decuce the likely region for a map knowing only its path.
1191 1750
1192=cut 1751=cut
1193 1752
1194sub find_by_path($) { 1753sub find_by_path($) {
1195 my ($path) = @_; 1754 my ($path) = @_;
1196 1755
1197 my ($match, $specificity); 1756 my ($match, $specificity);
1198 1757
1199 for my $region (list) { 1758 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1759 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1760 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1761 if $region->specificity > $specificity;
1203 } 1762 }
1204 } 1763 }
1205 1764
1226our $MAX_RESET = 3600; 1785our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1786our $DEFAULT_RESET = 3000;
1228 1787
1229sub generate_random_map { 1788sub generate_random_map {
1230 my ($self, $rmp) = @_; 1789 my ($self, $rmp) = @_;
1790
1791 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1792
1231 # mit "rum" bekleckern, nicht 1793 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1794 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1795 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1796 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1797 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1269 my ($self, $merge) = @_; 1831 my ($self, $merge) = @_;
1270 1832
1271 # we have to keep some variables in memory intact 1833 # we have to keep some variables in memory intact
1272 local $self->{path}; 1834 local $self->{path};
1273 local $self->{load_path}; 1835 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1836
1277 $self->SUPER::thawer_merge ($merge); 1837 $self->SUPER::thawer_merge ($merge);
1278} 1838}
1279 1839
1280sub normalise { 1840sub normalise {
1327 $self->init; # pass $1 etc. 1887 $self->init; # pass $1 etc.
1328 return $self; 1888 return $self;
1329 } 1889 }
1330 } 1890 }
1331 1891
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1892 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1893 ()
1334} 1894}
1335 1895
1336sub init { 1896sub init {
1337 my ($self) = @_; 1897 my ($self) = @_;
1359 1919
1360# the temporary/swap location 1920# the temporary/swap location
1361sub save_path { 1921sub save_path {
1362 my ($self) = @_; 1922 my ($self) = @_;
1363 1923
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1924 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1925 "$TMPDIR/$path.map"
1366} 1926}
1367 1927
1368# the unique path, undef == no special unique path 1928# the unique path, undef == no special unique path
1369sub uniq_path { 1929sub uniq_path {
1370 my ($self) = @_; 1930 my ($self) = @_;
1371 1931
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1933 "$UNIQUEDIR/$path"
1374} 1934}
1375 1935
1376# and all this just because we cannot iterate over 1936# and all this just because we cannot iterate over
1377# all maps in C++... 1937# all maps in C++...
1380 1940
1381 $_->change_map_light ($change) 1941 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1942 for grep $_->outdoor, values %cf::MAP;
1383} 1943}
1384 1944
1945sub decay_objects {
1946 my ($self) = @_;
1947
1948 return if $self->{deny_reset};
1949
1950 $self->do_decay_objects;
1951}
1952
1385sub unlink_save { 1953sub unlink_save {
1386 my ($self) = @_; 1954 my ($self) = @_;
1387 1955
1388 utf8::encode (my $save = $self->save_path); 1956 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1960
1393sub load_header_from($) { 1961sub load_header_from($) {
1394 my ($self, $path) = @_; 1962 my ($self, $path) = @_;
1395 1963
1396 utf8::encode $path; 1964 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1965 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1966 or return;
1967
1968 $self->_load_header ($f)
1969 or return;
1970
1971 local $MAP_LOADING{$self->{path}} = $self;
1972 $f->resolve_delayed_derefs;
1402 1973
1403 $self->{load_path} = $path; 1974 $self->{load_path} = $path;
1404 1975
1405 1 1976 1
1406} 1977}
1445 $self->load_header_orig 2016 $self->load_header_orig
1446 or return; 2017 or return;
1447 $self->prepare_orig; 2018 $self->prepare_orig;
1448 } 2019 }
1449 2020
2021 $self->{deny_reset} = 1
2022 if $self->no_reset;
2023
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2024 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2025 unless $self->default_region;
1452 2026
1453 1 2027 1
1454} 2028}
1457sub find { 2031sub find {
1458 my ($path, $origin) = @_; 2032 my ($path, $origin) = @_;
1459 2033
1460 $path = normalise $path, $origin && $origin->path; 2034 $path = normalise $path, $origin && $origin->path;
1461 2035
2036 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2037 cf::lock_wait "map_find:$path";
1463 2038
1464 $cf::MAP{$path} || do { 2039 $cf::MAP{$path} || do {
2040 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 2041 my $guard2 = cf::lock_acquire "map_find:$path";
2042
1466 my $map = new_from_path cf::map $path 2043 my $map = new_from_path cf::map $path
1467 or return; 2044 or return;
1468 2045
1469 $map->{last_save} = $cf::RUNTIME; 2046 $map->{last_save} = $cf::RUNTIME;
1470 2047
1471 $map->load_header 2048 $map->load_header
1472 or return; 2049 or return;
1473 2050
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2051 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2052 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2053 #$cf::WAIT_FOR_TICK->wait;
2054 undef $guard2;
2055 undef $guard1;
1477 $map->reset; 2056 $map->reset;
1478 undef $guard;
1479 return find $path; 2057 return find $path;
1480 } 2058 }
1481 2059
1482 $cf::MAP{$path} = $map 2060 $cf::MAP{$path} = $map
1483 } 2061 }
1492 local $self->{deny_reset} = 1; # loading can take a long time 2070 local $self->{deny_reset} = 1; # loading can take a long time
1493 2071
1494 my $path = $self->{path}; 2072 my $path = $self->{path};
1495 2073
1496 { 2074 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2075 my $guard = cf::lock_acquire "map_data:$path";
1498 2076
2077 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2078 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2079
1501 $self->in_memory (cf::MAP_LOADING); 2080 $self->in_memory (cf::MAP_LOADING);
1502 2081
1503 $self->alloc; 2082 $self->alloc;
1504 2083
1505 $self->pre_load; 2084 $self->pre_load;
1506 Coro::cede; 2085 cf::cede_to_tick;
1507 2086
2087 my $f = new_from_file cf::object::thawer $self->{load_path};
2088 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2089 $self->_load_objects ($f)
1509 or return; 2090 or return;
1510 2091
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2092 $self->post_load_original
1512 if delete $self->{load_original}; 2093 if delete $self->{load_original};
1513 2094
1514 if (my $uniq = $self->uniq_path) { 2095 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2096 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2097 unless (aio_stat $uniq) {
2098 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2099 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2100 $self->_load_objects ($f);
2101 $f->resolve_delayed_derefs;
2102 }
1519 } 2103 }
1520 } 2104 }
1521 2105
1522 Coro::cede; 2106 $f->resolve_delayed_derefs;
2107
2108 cf::cede_to_tick;
1523 # now do the right thing for maps 2109 # now do the right thing for maps
1524 $self->link_multipart_objects; 2110 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2111 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2112 unless $self->difficulty;
1527 Coro::cede; 2113 cf::cede_to_tick;
1528 2114
1529 unless ($self->{deny_activate}) { 2115 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2116 $self->decay_objects;
1531 $self->fix_auto_apply; 2117 $self->fix_auto_apply;
1532 $self->update_buttons; 2118 $self->update_buttons;
1533 Coro::cede; 2119 cf::cede_to_tick;
1534 $self->set_darkness_map; 2120 $self->set_darkness_map;
1535 Coro::cede; 2121 cf::cede_to_tick;
1536 $self->activate; 2122 $self->activate;
1537 } 2123 }
1538 2124
2125 $self->{last_save} = $cf::RUNTIME;
2126 $self->last_access ($cf::RUNTIME);
2127
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2128 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2129 }
1541 2130
1542 $self->post_load; 2131 $self->post_load;
1543} 2132}
1544 2133
1546 my ($self, $ob) = @_; 2135 my ($self, $ob) = @_;
1547 2136
1548 return find "~" . $ob->name . "/" . $self->{path} 2137 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2138 if $self->per_player;
1550 2139
2140# return find "?party/" . $ob->name . "/" . $self->{path}
2141# if $self->per_party;
2142
1551 $self 2143 $self
1552} 2144}
1553 2145
1554# find and load all maps in the 3x3 area around a map 2146# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2147sub load_neighbours {
1556 my ($map) = @_; 2148 my ($map) = @_;
1557 2149
1558 my @diag; # diagonal neighbours 2150 my @neigh; # diagonal neighbours
1559 2151
1560 for (0 .. 3) { 2152 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2153 my $neigh = $map->tile_path ($_)
1562 or next; 2154 or next;
1563 $neigh = find $neigh, $map 2155 $neigh = find $neigh, $map
1564 or next; 2156 or next;
1565 $neigh->load; 2157 $neigh->load;
1566 2158
2159 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2160 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2161 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2162 }
1570 2163
1571 for (@diag) { 2164 for (grep defined $_->[0], @neigh) {
2165 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2166 my $neigh = find $path, $origin
1573 or next; 2167 or next;
1574 $neigh->load; 2168 $neigh->load;
1575 } 2169 }
1576} 2170}
1577 2171
1582} 2176}
1583 2177
1584sub do_load_sync { 2178sub do_load_sync {
1585 my ($map) = @_; 2179 my ($map) = @_;
1586 2180
2181 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2182 if $Coro::current == $Coro::main;
2183
1587 cf::sync_job { $map->load }; 2184 cf::sync_job { $map->load };
1588} 2185}
1589 2186
1590our %MAP_PREFETCH; 2187our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2188our $MAP_PREFETCHER = undef;
1592 2189
1593sub find_async { 2190sub find_async {
1594 my ($path, $origin) = @_; 2191 my ($path, $origin, $load) = @_;
1595 2192
1596 $path = normalise $path, $origin && $origin->{path}; 2193 $path = normalise $path, $origin && $origin->{path};
1597 2194
1598 if (my $map = $cf::MAP{$path}) { 2195 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2196 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2197 }
1601 2198
1602 undef $MAP_PREFETCH{$path}; 2199 $MAP_PREFETCH{$path} |= $load;
2200
1603 $MAP_PREFETCHER ||= cf::async { 2201 $MAP_PREFETCHER ||= cf::async {
2202 $Coro::current->{desc} = "map prefetcher";
2203
1604 while (%MAP_PREFETCH) { 2204 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2205 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2206 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2207 $map->load if $v;
2208 }
1609 2209
1610 delete $MAP_PREFETCH{$path}; 2210 delete $MAP_PREFETCH{$k};
1611 } 2211 }
1612 } 2212 }
1613 undef $MAP_PREFETCHER; 2213 undef $MAP_PREFETCHER;
1614 }; 2214 };
1615 $MAP_PREFETCHER->prio (6); 2215 $MAP_PREFETCHER->prio (6);
1618} 2218}
1619 2219
1620sub save { 2220sub save {
1621 my ($self) = @_; 2221 my ($self) = @_;
1622 2222
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2223 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2224
1625 $self->{last_save} = $cf::RUNTIME; 2225 $self->{last_save} = $cf::RUNTIME;
1626 2226
1627 return unless $self->dirty; 2227 return unless $self->dirty;
1628 2228
1634 return if $self->{deny_save}; 2234 return if $self->{deny_save};
1635 2235
1636 local $self->{last_access} = $self->last_access;#d# 2236 local $self->{last_access} = $self->last_access;#d#
1637 2237
1638 cf::async { 2238 cf::async {
2239 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2240 $_->contr->save for $self->players;
1640 }; 2241 };
2242
2243 cf::get_slot 0.02;
1641 2244
1642 if ($uniq) { 2245 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2247 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2248 } else {
1651 my ($self) = @_; 2254 my ($self) = @_;
1652 2255
1653 # save first because save cedes 2256 # save first because save cedes
1654 $self->save; 2257 $self->save;
1655 2258
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2260
1658 return if $self->players; 2261 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2262 return if $self->in_memory != cf::MAP_ACTIVE;
1660 return if $self->{deny_save}; 2263 return if $self->{deny_save};
1661 2264
2265 $self->in_memory (cf::MAP_SWAPPED);
2266
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2269 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2270}
1665 2271
1666sub reset_at { 2272sub reset_at {
1667 my ($self) = @_; 2273 my ($self) = @_;
1668 2274
1669 # TODO: safety, remove and allow resettable per-player maps 2275 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2276 return 1e99 if $self->{deny_reset};
1672 2277
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2278 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2279 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2280
1686 my ($self) = @_; 2291 my ($self) = @_;
1687 2292
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2293 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2294
1690 return if $self->players; 2295 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2296
1693 warn "resetting map ", $self->path;#d# 2297 warn "resetting map ", $self->path;
1694 2298
1695 $self->in_memory (cf::MAP_SWAPPED); 2299 $self->in_memory (cf::MAP_SWAPPED);
1696 2300
1697 # need to save uniques path 2301 # need to save uniques path
1698 unless ($self->{deny_save}) { 2302 unless ($self->{deny_save}) {
1702 if $uniq; 2306 if $uniq;
1703 } 2307 }
1704 2308
1705 delete $cf::MAP{$self->path}; 2309 delete $cf::MAP{$self->path};
1706 2310
2311 $self->deactivate;
2312 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2313 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2314
1711 $self->unlink_save; 2315 $self->unlink_save;
1712 $self->destroy; 2316 $self->destroy;
1713} 2317}
1714 2318
1715my $nuke_counter = "aaaa"; 2319my $nuke_counter = "aaaa";
1716 2320
1717sub nuke { 2321sub nuke {
1718 my ($self) = @_; 2322 my ($self) = @_;
1719 2323
2324 {
2325 my $lock = cf::lock_acquire "map_data:$self->{path}";
2326
1720 delete $cf::MAP{$self->path}; 2327 delete $cf::MAP{$self->path};
1721 2328
1722 $self->unlink_save; 2329 $self->unlink_save;
1723 2330
1724 bless $self, "cf::map"; 2331 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2332 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2333 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2334 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2335 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2336
1730 $cf::MAP{$self->path} = $self; 2337 $cf::MAP{$self->path} = $self;
2338 }
1731 2339
1732 $self->reset; # polite request, might not happen 2340 $self->reset; # polite request, might not happen
2341}
2342
2343=item $maps = cf::map::tmp_maps
2344
2345Returns an arrayref with all map paths of currently instantiated and saved
2346maps. May block.
2347
2348=cut
2349
2350sub tmp_maps() {
2351 [
2352 map {
2353 utf8::decode $_;
2354 /\.map$/
2355 ? normalise $_
2356 : ()
2357 } @{ aio_readdir $TMPDIR or [] }
2358 ]
2359}
2360
2361=item $maps = cf::map::random_maps
2362
2363Returns an arrayref with all map paths of currently instantiated and saved
2364random maps. May block.
2365
2366=cut
2367
2368sub random_maps() {
2369 [
2370 map {
2371 utf8::decode $_;
2372 /\.map$/
2373 ? normalise "?random/$_"
2374 : ()
2375 } @{ aio_readdir $RANDOMDIR or [] }
2376 ]
1733} 2377}
1734 2378
1735=item cf::map::unique_maps 2379=item cf::map::unique_maps
1736 2380
1737Returns an arrayref of paths of all shared maps that have 2381Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2382instantiated unique items. May block.
1739 2383
1740=cut 2384=cut
1741 2385
1742sub unique_maps() { 2386sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2387 [
1744 or return; 2388 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2389 utf8::decode $_;
1750 next if /\.pst$/; 2390 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2391 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2392 ? ()
1753 push @paths, cf::map::normalise $_; 2393 : normalise $_
2394 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2395 ]
1755
1756 \@paths
1757} 2396}
1758
1759package cf;
1760 2397
1761=back 2398=back
1762 2399
1763=head3 cf::object 2400=head3 cf::object
1764 2401
1768 2405
1769=over 4 2406=over 4
1770 2407
1771=item $ob->inv_recursive 2408=item $ob->inv_recursive
1772 2409
1773Returns the inventory of the object _and_ their inventories, recursively. 2410Returns the inventory of the object I<and> their inventories, recursively,
2411but I<not> the object itself.
1774 2412
1775=cut 2413=cut
1776 2414
1777sub inv_recursive_; 2415sub inv_recursive_;
1778sub inv_recursive_ { 2416sub inv_recursive_ {
1781 2419
1782sub inv_recursive { 2420sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2421 inv_recursive_ inv $_[0]
1784} 2422}
1785 2423
2424=item $ref = $ob->ref
2425
2426Creates and returns a persistent reference to an object that can be stored as a string.
2427
2428=item $ob = cf::object::deref ($refstring)
2429
2430returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2431even if the object actually exists. May block.
2432
2433=cut
2434
2435sub deref {
2436 my ($ref) = @_;
2437
2438 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2439 my ($uuid, $name) = ($1, $2);
2440 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2441 or return;
2442 $pl->ob->uuid eq $uuid
2443 or return;
2444
2445 $pl->ob
2446 } else {
2447 warn "$ref: cannot resolve object reference\n";
2448 undef
2449 }
2450}
2451
1786package cf; 2452package cf;
1787 2453
1788=back 2454=back
1789 2455
1790=head3 cf::object::player 2456=head3 cf::object::player
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2462Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2463can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2464dialogue with the given NPC character.
1799 2465
1800=cut 2466=cut
2467
2468our $SAY_CHANNEL = {
2469 id => "say",
2470 title => "Map",
2471 reply => "say ",
2472 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2473};
2474
2475our $CHAT_CHANNEL = {
2476 id => "chat",
2477 title => "Chat",
2478 reply => "chat ",
2479 tooltip => "Player chat and shouts, global to the server.",
2480};
1801 2481
1802# rough implementation of a future "reply" method that works 2482# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2483# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2484#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2485sub cf::object::player::reply($$$;$) {
1807 2487
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2488 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2489
1810 if ($self->{record_replies}) { 2490 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2491 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2492
1812 } else { 2493 } else {
2494 my $pl = $self->contr;
2495
2496 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2497 my $dialog = $pl->{npc_dialog};
2498 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2499
2500 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2501 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2502 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2503 }
1815 } 2504 }
2505}
2506
2507=item $object->send_msg ($channel, $msg, $color, [extra...])
2508
2509=cut
2510
2511sub cf::object::send_msg {
2512 my $pl = shift->contr
2513 or return;
2514 $pl->send_msg (@_);
1816} 2515}
1817 2516
1818=item $player_object->may ("access") 2517=item $player_object->may ("access")
1819 2518
1820Returns wether the given player is authorized to access resource "access" 2519Returns wether the given player is authorized to access resource "access"
1867 $self->deactivate_recursive; 2566 $self->deactivate_recursive;
1868 2567
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2568 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2569
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2570 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2571 if $self->map && $self->map->{path} ne "{link}";
1873 2572
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2573 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1875} 2574}
1876 2575
1877sub cf::object::player::leave_link { 2576sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2577 my ($self, $map, $x, $y) = @_;
2578
2579 return unless $self->contr->active;
1879 2580
1880 my $link_pos = delete $self->{_link_pos}; 2581 my $link_pos = delete $self->{_link_pos};
1881 2582
1882 unless ($map) { 2583 unless ($map) {
1883 # restore original map position 2584 # restore original map position
1897 # use -1 or undef as default coordinates, not 0, 0 2598 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2599 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2600 if $x <=0 && $y <= 0;
1900 2601
1901 $map->load; 2602 $map->load;
1902 $map->load_diag; 2603 $map->load_neighbours;
1903 2604
1904 return unless $self->contr->active; 2605 return unless $self->contr->active;
1905 $self->activate_recursive; 2606 $self->activate_recursive;
1906 2607
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2609 $self->enter_map ($map, $x, $y);
1909} 2610}
1910 2611
1911cf::player->attach ( 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912 on_logout => sub {
1913 my ($pl) = @_;
1914 2613
1915 # abort map switching before logout 2614Moves the player to the given map-path and coordinates by first freezing
1916 if ($pl->ob->{_link_pos}) { 2615her, loading and preparing them map, calling the provided $check callback
1917 cf::sync_job { 2616that has to return the map if sucecssful, and then unfreezes the player on
1918 $pl->ob->leave_link 2617the new (success) or old (failed) map position. In either case, $done will
1919 }; 2618be called at the end of this process.
1920 }
1921 },
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2619
1925 # try to abort aborted map switching on player login :) 2620Note that $check will be called with a potentially non-loaded map, so if
1926 # should happen only on crashes 2621it needs a loaded map it has to call C<< ->load >>.
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942 2622
1943=item $player_object->goto ($path, $x, $y)
1944
1945=cut 2623=cut
2624
2625our $GOTOGEN;
1946 2626
1947sub cf::object::player::goto { 2627sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2628 my ($self, $path, $x, $y, $check, $done) = @_;
2629
2630 # do generation counting so two concurrent goto's will be executed in-order
2631 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2632
1950 $self->enter_link; 2633 $self->enter_link;
1951 2634
1952 (async { 2635 (async {
2636 $Coro::current->{desc} = "player::goto $path $x $y";
2637
2638 # *tag paths override both path and x|y
2639 if ($path =~ /^\*(.*)$/) {
2640 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2641 my $ob = $obs[rand @obs];
2642
2643 # see if we actually can go there
2644 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2645 $ob = $obs[rand @obs];
2646 } else {
2647 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2648 }
2649 # else put us there anyways for now #d#
2650
2651 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2652 } else {
2653 ($path, $x, $y) = (undef, undef, undef);
2654 }
2655 }
2656
1953 my $map = eval { 2657 my $map = eval {
1954 my $map = cf::map::find $path; 2658 my $map = defined $path ? cf::map::find $path : undef;
2659
2660 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2661 $map = $map->customise_for ($self);
2662 $map = $check->($map) if $check && $map;
2663 } else {
2664 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2665 }
2666
1956 $map 2667 $map
2668 };
2669
2670 if ($@) {
2671 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2672 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2673 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2674
2675 if ($gen == $self->{_goto_generation}) {
2676 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2677 $self->leave_link ($map, $x, $y);
2678 }
2679
2680 $done->() if $done;
1961 })->prio (1); 2681 })->prio (1);
1962} 2682}
1963 2683
1964=item $player_object->enter_exit ($exit_object) 2684=item $player_object->enter_exit ($exit_object)
1965 2685
1985} 2705}
1986 2706
1987sub prepare_random_map { 2707sub prepare_random_map {
1988 my ($exit) = @_; 2708 my ($exit) = @_;
1989 2709
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2710 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2711 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2712 # that depends on the exit object
1995 2713
1996 my $rmp = parse_random_map_params $exit->msg; 2714 my $rmp = parse_random_map_params $exit->msg;
1998 if ($exit->map) { 2716 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2717 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2718 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2719 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2720 $rmp->{origin_y} = $exit->y;
2721
2722 $exit->map->touch;
2003 } 2723 }
2004 2724
2005 $rmp->{random_seed} ||= $exit->random_seed; 2725 $rmp->{random_seed} ||= $exit->random_seed;
2006 2726
2007 my $data = cf::to_json $rmp; 2727 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2728 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2729 my $meta = "$RANDOMDIR/$md5.meta";
2010 2730
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2731 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2732 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2733 undef $fh;
2014 aio_rename "$meta~", $meta; 2734 aio_rename "$meta~", $meta;
2015 2735
2736 my $slaying = "?random/$md5";
2737
2738 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2739 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2740 $exit->msg (undef);
2741 }
2018 } 2742 }
2019} 2743}
2020 2744
2021sub cf::object::player::enter_exit { 2745sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2746 my ($self, $exit) = @_;
2023 2747
2024 return unless $self->type == cf::PLAYER; 2748 return unless $self->type == cf::PLAYER;
2025 2749
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2750 $self->enter_link;
2038 2751
2039 (async { 2752 (async {
2040 $self->deactivate_recursive; # just to be sure 2753 $Coro::current->{desc} = "enter_exit";
2754
2041 unless (eval { 2755 unless (eval {
2756 $self->deactivate_recursive; # just to be sure
2757
2758 # random map handling
2759 {
2760 my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762 prepare_random_map $exit
2763 if $exit->slaying eq "/!";
2764 }
2765
2766 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2767 my $x = $exit->stats->hp;
2768 my $y = $exit->stats->sp;
2769
2042 $self->goto ($slaying, $hp, $sp); 2770 $self->goto ($map, $x, $y);
2043 2771
2772 # if exit is damned, update players death & WoR home-position
2773 $self->contr->savebed ($map, $x, $y)
2774 if $exit->flag (cf::FLAG_DAMNED);
2775
2044 1; 2776 1
2045 }) { 2777 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the crossfire server. "
2047 . "I'll try to bring you back to the map you were before. " 2779 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
2070 2802
2071 utf8::encode $text; 2803 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2804 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2805}
2074 2806
2807=item $client->send_msg ($channel, $msg, $color, [extra...])
2808
2809Send a drawinfo or msg packet to the client, formatting the msg for the
2810client if neccessary. C<$type> should be a string identifying the type of
2811the message, with C<log> being the default. If C<$color> is negative, suppress
2812the message unless the client supports the msg packet.
2813
2814=cut
2815
2816# non-persistent channels (usually the info channel)
2817our %CHANNEL = (
2818 "c/identify" => {
2819 id => "infobox",
2820 title => "Identify",
2821 reply => undef,
2822 tooltip => "Items recently identified",
2823 },
2824 "c/examine" => {
2825 id => "infobox",
2826 title => "Examine",
2827 reply => undef,
2828 tooltip => "Signs and other items you examined",
2829 },
2830 "c/book" => {
2831 id => "infobox",
2832 title => "Book",
2833 reply => undef,
2834 tooltip => "The contents of a note or book",
2835 },
2836 "c/lookat" => {
2837 id => "infobox",
2838 title => "Look",
2839 reply => undef,
2840 tooltip => "What you saw there",
2841 },
2842 "c/who" => {
2843 id => "infobox",
2844 title => "Players",
2845 reply => undef,
2846 tooltip => "Shows players who are currently online",
2847 },
2848 "c/body" => {
2849 id => "infobox",
2850 title => "Body Parts",
2851 reply => undef,
2852 tooltip => "Shows which body parts you posess and are available",
2853 },
2854 "c/uptime" => {
2855 id => "infobox",
2856 title => "Uptime",
2857 reply => undef,
2858 tooltip => "How long the server has been running since last restart",
2859 },
2860 "c/mapinfo" => {
2861 id => "infobox",
2862 title => "Map Info",
2863 reply => undef,
2864 tooltip => "Information related to the maps",
2865 },
2866 "c/party" => {
2867 id => "party",
2868 title => "Party",
2869 reply => "gsay ",
2870 tooltip => "Messages and chat related to your party",
2871 },
2872);
2873
2874sub cf::client::send_msg {
2875 my ($self, $channel, $msg, $color, @extra) = @_;
2876
2877 $msg = $self->pl->expand_cfpod ($msg);
2878
2879 $color &= cf::NDI_CLIENT_MASK; # just in case...
2880
2881 # check predefined channels, for the benefit of C
2882 if ($CHANNEL{$channel}) {
2883 $channel = $CHANNEL{$channel};
2884
2885 $self->ext_msg (channel_info => $channel)
2886 if $self->can_msg;
2887
2888 $channel = $channel->{id};
2889
2890 } elsif (ref $channel) {
2891 # send meta info to client, if not yet sent
2892 unless (exists $self->{channel}{$channel->{id}}) {
2893 $self->{channel}{$channel->{id}} = $channel;
2894 $self->ext_msg (channel_info => $channel)
2895 if $self->can_msg;
2896 }
2897
2898 $channel = $channel->{id};
2899 }
2900
2901 return unless @extra || length $msg;
2902
2903 if ($self->can_msg) {
2904 # default colour, mask it out
2905 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906 if $color & cf::NDI_DEF;
2907
2908 $self->send_packet ("msg " . $self->{json_coder}->encode (
2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2910 } else {
2911 if ($color >= 0) {
2912 # replace some tags by gcfclient-compatible ones
2913 for ($msg) {
2914 1 while
2915 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920 }
2921
2922 $color &= cf::NDI_COLOR_MASK;
2923
2924 utf8::encode $msg;
2925
2926 if (0 && $msg =~ /\[/) {
2927 # COMMAND/INFO
2928 $self->send_packet ("drawextinfo $color 10 8 $msg")
2929 } else {
2930 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931 $self->send_packet ("drawinfo $color $msg")
2932 }
2933 }
2934 }
2935}
2936
2075=item $client->ext_event ($type, %msg) 2937=item $client->ext_msg ($type, @msg)
2076 2938
2077Sends an exti event to the client. 2939Sends an ext event to the client.
2078 2940
2079=cut 2941=cut
2080 2942
2081sub cf::client::ext_event($$%) { 2943sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 2944 my ($self, $type, @msg) = @_;
2083 2945
2946 if ($self->extcmd == 2) {
2947 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 2949 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 2950 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951 }
2952}
2953
2954=item $client->ext_reply ($msgid, @msg)
2955
2956Sends an ext reply to the client.
2957
2958=cut
2959
2960sub cf::client::ext_reply($$@) {
2961 my ($self, $id, @msg) = @_;
2962
2963 if ($self->extcmd == 2) {
2964 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965 } elsif ($self->extcmd == 1) {
2966 #TODO: version 1, remove
2967 unshift @msg, msgtype => "reply", msgid => $id;
2968 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969 }
2086} 2970}
2087 2971
2088=item $success = $client->query ($flags, "text", \&cb) 2972=item $success = $client->query ($flags, "text", \&cb)
2089 2973
2090Queues a query to the client, calling the given callback with 2974Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2975the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2976C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 2977
2094Queries can fail, so check the return code. Or don't, as queries will become 2978Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 2979become reliable at some point in the future.
2096 2980
2097=cut 2981=cut
2098 2982
2099sub cf::client::query { 2983sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 2984 my ($self, $flags, $text, $cb) = @_;
2108 utf8::encode $text; 2992 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2993 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 2994
2111 $self->send_packet ($self->{query_queue}[0][0]) 2995 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 2996 if @{ $self->{query_queue} } == 1;
2997
2998 1
2113} 2999}
2114 3000
2115cf::client->attach ( 3001cf::client->attach (
3002 on_connect => sub {
3003 my ($ns) = @_;
3004
3005 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3006 },
2116 on_reply => sub { 3007 on_reply => sub {
2117 my ($ns, $msg) = @_; 3008 my ($ns, $msg) = @_;
2118 3009
2119 # this weird shuffling is so that direct followup queries 3010 # this weird shuffling is so that direct followup queries
2120 # get handled first 3011 # get handled first
2132 } else { 3023 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 3025 }
2135 } 3026 }
2136 }, 3027 },
3028 on_exticmd => sub {
3029 my ($ns, $buf) = @_;
3030
3031 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3032
3033 if (ref $msg) {
3034 my ($type, $reply, @payload) =
3035 "ARRAY" eq ref $msg
3036 ? @$msg
3037 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3038
3039 my @reply;
3040
3041 if (my $cb = $EXTICMD{$type}) {
3042 @reply = $cb->($ns, @payload);
3043 }
3044
3045 $ns->ext_reply ($reply, @reply)
3046 if $reply;
3047
3048 } else {
3049 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3050 }
3051
3052 cf::override;
3053 },
2137); 3054);
2138 3055
2139=item $client->async (\&cb) 3056=item $client->async (\&cb)
2140 3057
2141Create a new coroutine, running the specified callback. The coroutine will 3058Create a new coroutine, running the specified callback. The coroutine will
2182our $safe = new Safe "safe"; 3099our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3100our $safe_hole = new Safe::Hole;
2184 3101
2185$SIG{FPE} = 'IGNORE'; 3102$SIG{FPE} = 'IGNORE';
2186 3103
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3104$safe->permit_only (Opcode::opset qw(
3105 :base_core :base_mem :base_orig :base_math
3106 grepstart grepwhile mapstart mapwhile
3107 sort time
3108));
2188 3109
2189# here we export the classes and methods available to script code 3110# here we export the classes and methods available to script code
2190 3111
2191=pod 3112=pod
2192 3113
2193The following functions and methods are available within a safe environment: 3114The following functions and methods are available within a safe environment:
2194 3115
2195 cf::object contr pay_amount pay_player map 3116 cf::object
3117 contr pay_amount pay_player map x y force_find force_add destroy
3118 insert remove name archname title slaying race decrease split
3119
2196 cf::object::player player 3120 cf::object::player
2197 cf::player peaceful 3121 player
2198 cf::map trigger 3122
3123 cf::player
3124 peaceful
3125
3126 cf::map
3127 trigger
2199 3128
2200=cut 3129=cut
2201 3130
2202for ( 3131for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3132 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3133 insert remove inv nrof name archname title slaying race
3134 decrease split destroy change_exp)],
2204 ["cf::object::player" => qw(player)], 3135 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3136 ["cf::player" => qw(peaceful)],
2206 ["cf::map" => qw(trigger)], 3137 ["cf::map" => qw(trigger)],
2207) { 3138) {
2208 no strict 'refs'; 3139 no strict 'refs';
2279=back 3210=back
2280 3211
2281=cut 3212=cut
2282 3213
2283############################################################################# 3214#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455
2456#############################################################################
2457# the server's init and main functions 3215# the server's init and main functions
2458 3216
2459sub load_facedata($) { 3217sub load_facedata($) {
2460 my ($path) = @_; 3218 my ($path) = @_;
3219
3220 # HACK to clear player env face cache, we need some signal framework
3221 # for this (global event?)
3222 %ext::player_env::MUSIC_FACE_CACHE = ();
3223
3224 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461 3225
2462 warn "loading facedata from $path\n"; 3226 warn "loading facedata from $path\n";
2463 3227
2464 my $facedata; 3228 my $facedata;
2465 0 < aio_load $path, $facedata 3229 0 < aio_load $path, $facedata
2468 $facedata = Coro::Storable::thaw $facedata; 3232 $facedata = Coro::Storable::thaw $facedata;
2469 3233
2470 $facedata->{version} == 2 3234 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3235 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3236
3237 # patch in the exptable
3238 $facedata->{resource}{"res/exp_table"} = {
3239 type => FT_RSRC,
3240 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3241 };
3242 cf::cede_to_tick;
3243
2473 { 3244 {
2474 my $faces = $facedata->{faceinfo}; 3245 my $faces = $facedata->{faceinfo};
2475 3246
2476 while (my ($face, $info) = each %$faces) { 3247 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3248 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3250 cf::face::set_visibility $idx, $info->{visibility};
3251 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3252 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3253 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481 Coro::cede; 3254
3255 cf::cede_to_tick;
2482 } 3256 }
2483 3257
2484 while (my ($face, $info) = each %$faces) { 3258 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3259 next unless $info->{smooth};
3260
2486 my $idx = cf::face::find $face 3261 my $idx = cf::face::find $face
2487 or next; 3262 or next;
3263
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3264 if (my $smooth = cf::face::find $info->{smooth}) {
3265 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3266 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3267 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3268 warn "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3269 }
2493 Coro::cede; 3270
3271 cf::cede_to_tick;
2494 } 3272 }
2495 } 3273 }
2496 3274
2497 { 3275 {
2498 my $anims = $facedata->{animinfo}; 3276 my $anims = $facedata->{animinfo};
2499 3277
2500 while (my ($anim, $info) = each %$anims) { 3278 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3279 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3280 cf::cede_to_tick;
2503 } 3281 }
2504 3282
2505 cf::anim::invalidate_all; # d'oh 3283 cf::anim::invalidate_all; # d'oh
2506 } 3284 }
2507 3285
3286 {
3287 # TODO: for gcfclient pleasure, we should give resources
3288 # that gcfclient doesn't grok a >10000 face index.
3289 my $res = $facedata->{resource};
3290
3291 while (my ($name, $info) = each %$res) {
3292 if (defined $info->{type}) {
3293 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294 my $data;
3295
3296 if ($info->{type} & 1) {
3297 # prepend meta info
3298
3299 my $meta = $enc->encode ({
3300 name => $name,
3301 %{ $info->{meta} || {} },
3302 });
3303
3304 $data = pack "(w/a*)*", $meta, $info->{data};
3305 } else {
3306 $data = $info->{data};
3307 }
3308
3309 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310 cf::face::set_type $idx, $info->{type};
3311 } else {
3312 $RESOURCE{$name} = $info;
3313 }
3314
3315 cf::cede_to_tick;
3316 }
3317 }
3318
3319 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3320
2508 1 3321 1
2509} 3322}
2510 3323
3324cf::global->attach (on_resource_update => sub {
3325 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3326 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3327
3328 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3329 my $sound = $soundconf->{compat}[$_]
3330 or next;
3331
3332 my $face = cf::face::find "sound/$sound->[1]";
3333 cf::sound::set $sound->[0] => $face;
3334 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3335 }
3336
3337 while (my ($k, $v) = each %{$soundconf->{event}}) {
3338 my $face = cf::face::find "sound/$v";
3339 cf::sound::set $k => $face;
3340 }
3341 }
3342});
3343
3344register_exticmd fx_want => sub {
3345 my ($ns, $want) = @_;
3346
3347 while (my ($k, $v) = each %$want) {
3348 $ns->fx_want ($k, $v);
3349 }
3350};
3351
3352sub load_resource_file($) {
3353 my $guard = lock_acquire "load_resource_file";
3354
3355 my $status = load_resource_file_ $_[0];
3356 get_slot 0.1, 100;
3357 cf::arch::commit_load;
3358
3359 $status
3360}
3361
2511sub reload_regions { 3362sub reload_regions {
3363 # HACK to clear player env face cache, we need some signal framework
3364 # for this (global event?)
3365 %ext::player_env::MUSIC_FACE_CACHE = ();
3366
2512 load_resource_file "$MAPDIR/regions" 3367 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3368 or die "unable to load regions file\n";
3369
3370 for (cf::region::list) {
3371 $_->{match} = qr/$_->{match}/
3372 if exists $_->{match};
3373 }
2514} 3374}
2515 3375
2516sub reload_facedata { 3376sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3377 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3378 or die "unable to load facedata\n";
2529} 3389}
2530 3390
2531sub reload_resources { 3391sub reload_resources {
2532 warn "reloading resource files...\n"; 3392 warn "reloading resource files...\n";
2533 3393
2534 reload_regions;
2535 reload_facedata; 3394 reload_facedata;
2536 reload_archetypes; 3395 reload_archetypes;
3396 reload_regions;
2537 reload_treasures; 3397 reload_treasures;
2538 3398
2539 warn "finished reloading resource files\n"; 3399 warn "finished reloading resource files\n";
2540} 3400}
2541 3401
2542sub init { 3402sub init {
3403 my $guard = freeze_mainloop;
3404
3405 evthread_start IO::AIO::poll_fileno;
3406
2543 reload_resources; 3407 reload_resources;
2544} 3408}
2545 3409
2546sub cfg_load { 3410sub reload_config {
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3411 open my $fh, "<:utf8", "$CONFDIR/config"
2548 or return; 3412 or return;
2549 3413
2550 local $/; 3414 local $/;
2551 *CFG = YAML::Syck::Load <$fh>; 3415 *CFG = YAML::Load <$fh>;
2552 3416
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3417 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554 3418
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3419 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3420 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2567sub main { 3431sub main {
2568 # we must not ever block the main coroutine 3432 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3433 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3434 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3435 (async {
2572 Event::one_event; 3436 $Coro::current->{desc} = "IDLE BUG HANDLER";
3437 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3438 })->prio (Coro::PRIO_MAX);
2574 }; 3439 };
2575 3440
2576 cfg_load; 3441 {
3442 my $guard = freeze_mainloop;
3443 reload_config;
2577 db_init; 3444 db_init;
2578 load_extensions; 3445 load_extensions;
2579 3446
2580 $TICK_WATCHER->start; 3447 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3448 }
3449
2581 Event::loop; 3450 EV::loop;
2582} 3451}
2583 3452
2584############################################################################# 3453#############################################################################
2585# initialisation and cleanup 3454# initialisation and cleanup
2586 3455
2587# install some emergency cleanup handlers 3456# install some emergency cleanup handlers
2588BEGIN { 3457BEGIN {
3458 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3459 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3460 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3461 cf::cleanup "SIG$signal";
2597 },
2598 ); 3462 };
3463 }
3464}
3465
3466sub write_runtime_sync {
3467 my $runtime = "$LOCALDIR/runtime";
3468
3469 # first touch the runtime file to show we are still running:
3470 # the fsync below can take a very very long time.
3471
3472 IO::AIO::aio_utime $runtime, undef, undef;
3473
3474 my $guard = cf::lock_acquire "write_runtime";
3475
3476 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3477 or return;
3478
3479 my $value = $cf::RUNTIME + 90 + 10;
3480 # 10 is the runtime save interval, for a monotonic clock
3481 # 60 allows for the watchdog to kill the server.
3482
3483 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3484 and return;
3485
3486 # always fsync - this file is important
3487 aio_fsync $fh
3488 and return;
3489
3490 # touch it again to show we are up-to-date
3491 aio_utime $fh, undef, undef;
3492
3493 close $fh
3494 or return;
3495
3496 aio_rename "$runtime~", $runtime
3497 and return;
3498
3499 warn "runtime file written.\n";
3500
2599 } 3501 1
3502}
3503
3504our $uuid_lock;
3505our $uuid_skip;
3506
3507sub write_uuid_sync($) {
3508 $uuid_skip ||= $_[0];
3509
3510 return if $uuid_lock;
3511 local $uuid_lock = 1;
3512
3513 my $uuid = "$LOCALDIR/uuid";
3514
3515 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516 or return;
3517
3518 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3519 $uuid_skip = 0;
3520
3521 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3522 and return;
3523
3524 # always fsync - this file is important
3525 aio_fsync $fh
3526 and return;
3527
3528 close $fh
3529 or return;
3530
3531 aio_rename "$uuid~", $uuid
3532 and return;
3533
3534 warn "uuid file written ($value).\n";
3535
3536 1
3537
3538}
3539
3540sub write_uuid($$) {
3541 my ($skip, $sync) = @_;
3542
3543 $sync ? write_uuid_sync $skip
3544 : async { write_uuid_sync $skip };
2600} 3545}
2601 3546
2602sub emergency_save() { 3547sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
2604 3549
2610 # and maps saved/destroyed asynchronously. 3555 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3556 warn "begin emergency player save\n";
2612 for my $login (keys %cf::PLAYER) { 3557 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3558 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3559 $pl->valid or next;
3560 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3561 $pl->save;
2616 } 3562 }
2617 warn "end emergency player save\n"; 3563 warn "end emergency player save\n";
2618 3564
2619 warn "begin emergency map save\n"; 3565 warn "begin emergency map save\n";
2625 warn "end emergency map save\n"; 3571 warn "end emergency map save\n";
2626 3572
2627 warn "begin emergency database checkpoint\n"; 3573 warn "begin emergency database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3574 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3575 warn "end emergency database checkpoint\n";
3576
3577 warn "begin write uuid\n";
3578 write_uuid_sync 1;
3579 warn "end write uuid\n";
2630 }; 3580 };
2631 3581
2632 warn "leave emergency perl save\n"; 3582 warn "leave emergency perl save\n";
2633} 3583}
2634 3584
2649 warn "reloading..."; 3599 warn "reloading...";
2650 3600
2651 warn "entering sync_job"; 3601 warn "entering sync_job";
2652 3602
2653 cf::sync_job { 3603 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
2655 cf::emergency_save; 3605 cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
2657 3607
2658 warn "syncing database to disk"; 3608 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
2660 3610
2661 # if anything goes wrong in here, we should simply crash as we already saved 3611 # if anything goes wrong in here, we should simply crash as we already saved
2662
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667 3612
2668 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
2669 for (;;) { 3614 for (;;) {
2670 BDB::flush; 3615 BDB::flush;
2671 IO::AIO::flush; 3616 IO::AIO::flush;
2672 Coro::cede; 3617 Coro::cede_notself;
2673 last unless IO::AIO::nreqs || BDB::nreqs; 3618 last unless IO::AIO::nreqs || BDB::nreqs;
2674 warn "iterate..."; 3619 warn "iterate...";
2675 } 3620 }
2676 3621
2677 ++$RELOAD; 3622 ++$RELOAD;
2681 %EXT_CORO = (); 3626 %EXT_CORO = ();
2682 3627
2683 warn "removing commands"; 3628 warn "removing commands";
2684 %COMMAND = (); 3629 %COMMAND = ();
2685 3630
2686 warn "removing ext commands"; 3631 warn "removing ext/exti commands";
2687 %EXTCMD = (); 3632 %EXTCMD = ();
3633 %EXTICMD = ();
2688 3634
2689 warn "unloading/nuking all extensions"; 3635 warn "unloading/nuking all extensions";
2690 for my $pkg (@EXTS) { 3636 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg"; 3637 warn "... unloading $pkg";
2692 3638
2735 warn "reloading cf.pm"; 3681 warn "reloading cf.pm";
2736 require cf; 3682 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3683 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738 3684
2739 warn "loading config and database again"; 3685 warn "loading config and database again";
2740 cf::cfg_load; 3686 cf::reload_config;
2741 3687
2742 warn "loading extensions"; 3688 warn "loading extensions";
2743 cf::load_extensions; 3689 cf::load_extensions;
2744 3690
2745 warn "reattaching attachments to objects/players"; 3691 warn "reattaching attachments to objects/players";
2752 warn "leaving sync_job"; 3698 warn "leaving sync_job";
2753 3699
2754 1 3700 1
2755 } or do { 3701 } or do {
2756 warn $@; 3702 warn $@;
2757 warn "error while reloading, exiting."; 3703 cf::cleanup "error while reloading, exiting.";
2758 exit 1;
2759 }; 3704 };
2760 3705
2761 warn "reloaded"; 3706 warn "reloaded";
2762}; 3707};
2763 3708
2765 3710
2766sub reload_perl() { 3711sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 3712 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 3713 # coro crashes during coro_state_free->destroy here.
2769 3714
2770 $RELOAD_WATCHER ||= Event->timer ( 3715 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2771 reentrant => 0,
2772 after => 0,
2773 data => WF_AUTOCANCEL,
2774 cb => sub {
2775 do_reload_perl; 3716 do_reload_perl;
2776 undef $RELOAD_WATCHER; 3717 undef $RELOAD_WATCHER;
2777 },
2778 ); 3718 };
2779} 3719}
2780 3720
2781register_command "reload" => sub { 3721register_command "reload" => sub {
2782 my ($who, $arg) = @_; 3722 my ($who, $arg) = @_;
2783 3723
2784 if ($who->flag (FLAG_WIZ)) { 3724 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 3725 $who->message ("reloading server.");
3726 async {
3727 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 3728 reload_perl;
3729 };
2787 } 3730 }
2788}; 3731};
2789 3732
2790unshift @INC, $LIBDIR; 3733unshift @INC, $LIBDIR;
2791 3734
2793 3736
2794our @WAIT_FOR_TICK; 3737our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 3738our @WAIT_FOR_TICK_BEGIN;
2796 3739
2797sub wait_for_tick { 3740sub wait_for_tick {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 3741 return if tick_inhibit || $Coro::current == $Coro::main;
2800 3742
2801 my $signal = new Coro::Signal; 3743 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 3744 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 3745 $signal->wait;
2804} 3746}
2805 3747
2806sub wait_for_tick_begin { 3748sub wait_for_tick_begin {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 3749 return if tick_inhibit || $Coro::current == $Coro::main;
2809 3750
2810 my $signal = new Coro::Signal; 3751 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 3752 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 3753 $signal->wait;
2813} 3754}
2814 3755
2815$TICK_WATCHER = Event->timer ( 3756sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 3757 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3758 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 3759 unless ++$bug_warning > 10;
2825 return; 3760 return;
2826 } 3761 }
2827 3762
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 3763 cf::server_tick; # one server iteration
2831 3764
2832 $RUNTIME += $TICK;
2833 $NEXT_TICK += $TICK;
2834
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3765 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 3766 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 3767 Coro::async_pool {
3768 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 3769 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 3770 or warn "ERROR: unable to write runtime file: $!";
2840 };
2841 } 3771 };
3772 }
2842 3773
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3774 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 3775 $sig->send;
2854 } 3776 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 3777 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 3778 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 3779 }
2861); 3780
3781 $LOAD = ($NOW - $TICK_START) / $TICK;
3782 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3783
3784 if (0) {
3785 if ($NEXT_TICK) {
3786 my $jitter = $TICK_START - $NEXT_TICK;
3787 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3788 warn "jitter $JITTER\n";#d#
3789 }
3790 }
3791}
2862 3792
2863{ 3793{
2864 BDB::max_poll_time $TICK * 0.1; 3794 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 3795
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 3796 BDB::min_parallel 8;
2874 3797 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 3798 $AnyEvent::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 3799
2890 unless ($DB_ENV) { 3800 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 3801 $DB_ENV = BDB::db_env_create;
3802 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3803 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3804 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3805 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3806 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 3807
2893 cf::sync_job { 3808 cf::sync_job {
2894 eval { 3809 eval {
2895 BDB::db_env_open 3810 BDB::db_env_open
2896 $DB_ENV, 3811 $DB_ENV,
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3813 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3814 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 3815 0666;
2901 3816
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3817 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 3818 };
2907 3819
2908 cf::cleanup "db_env_open(db): $@" if $@; 3820 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 3821 };
2910 } 3822 }
3823
3824 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3825 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3826 };
3827 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3828 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3829 };
3830 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3831 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3832 };
2911} 3833}
2912 3834
2913{ 3835{
3836 # configure IO::AIO
3837
2914 IO::AIO::min_parallel 8; 3838 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 3839 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 3840 undef $AnyEvent::AIO::WATCHER;
2919 reentrant => 0,
2920 data => WF_AUTOCANCEL,
2921 fd => IO::AIO::poll_fileno,
2922 poll => 'r',
2923 prio => 6,
2924 cb => \&IO::AIO::poll_cb,
2925 );
2926} 3841}
3842
3843my $_log_backtrace;
2927 3844
2928sub _log_backtrace { 3845sub _log_backtrace {
2929 my ($msg, @addr) = @_; 3846 my ($msg, @addr) = @_;
2930 3847
3848 $msg =~ s/\n//;
3849
3850 # limit the # of concurrent backtraces
3851 if ($_log_backtrace < 2) {
3852 ++$_log_backtrace;
2931 async { 3853 async {
3854 $Coro::current->{desc} = "abt $msg";
3855
2932 my @bt = fork_call { 3856 my @bt = fork_call {
2933 @addr = map { sprintf "%x", $_ } @addr; 3857 @addr = map { sprintf "%x", $_ } @addr;
2934 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3858 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2935 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3859 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2936 or die "addr2line: $!"; 3860 or die "addr2line: $!";
2937 3861
2938 my @funcs; 3862 my @funcs;
2939 my @res = <$fh>; 3863 my @res = <$fh>;
2940 chomp for @res; 3864 chomp for @res;
2941 while (@res) { 3865 while (@res) {
2942 my ($func, $line) = splice @res, 0, 2, (); 3866 my ($func, $line) = splice @res, 0, 2, ();
2943 push @funcs, "[$func] $line"; 3867 push @funcs, "[$func] $line";
3868 }
3869
3870 @funcs
2944 } 3871 };
2945 3872
2946 @funcs 3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] $_\n" for @bt;
3875 --$_log_backtrace;
2947 }; 3876 };
2948 3877 } else {
2949 $msg =~ s/\n//;
2950
2951 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $msg\n";
2952 LOG llevInfo, "[ABT] $_\n" for @bt; 3879 LOG llevInfo, "[ABT] [suppressed]\n";
2953 }; 3880 }
2954} 3881}
2955 3882
2956# load additional modules 3883# load additional modules
2957use cf::pod; 3884use cf::pod;
2958 3885

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