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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 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 warn "starting to write runtime...\n";#d# 541=cut
377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378 or return;
379 542
380 my $value = $cf::RUNTIME + 90 + 10; 543sub fork_call(&@) {
381 # 10 is the runtime save interval, for a monotonic clock 544 my ($cb, @args) = @_;
382 # 60 allows for the watchdog to kill the server.
383 545
384 (aio_write $fh, 0, (length $value), $value, 0) <= 0 546 # we seemingly have to make a local copy of the whole thing,
385 and return; 547 # otherwise perl prematurely frees the stuff :/
548 # TODO: investigate and fix (likely this will be rather laborious)
386 549
387 # always fsync - this file is important 550 my @res = Coro::Util::fork_eval {
388 aio_fsync $fh 551 reset_signals;
389 and return; 552 &$cb
553 }, @args;
390 554
391 close $fh 555 wantarray ? @res : $res[-1]
392 or return; 556}
393 557
394 aio_rename "$runtime~", $runtime 558=item $coin = coin_from_name $name
395 and return;
396 559
397 warn "... done writing runtime.\n";#d# 560=cut
398 561
562our %coin_alias = (
563 "silver" => "silvercoin",
564 "silvercoin" => "silvercoin",
565 "silvercoins" => "silvercoin",
566 "gold" => "goldcoin",
567 "goldcoin" => "goldcoin",
568 "goldcoins" => "goldcoin",
569 "platinum" => "platinacoin",
570 "platinumcoin" => "platinacoin",
571 "platinumcoins" => "platinacoin",
572 "platina" => "platinacoin",
573 "platinacoin" => "platinacoin",
574 "platinacoins" => "platinacoin",
575 "royalty" => "royalty",
576 "royalties" => "royalty",
577);
578
579sub coin_from_name($) {
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($$) {
627 my $key = "$_[0]/$_[1]";
628
629 cf::sync_job {
630 BDB::db_get $DB, undef, $key, my $data;
631
632 $! ? ()
633 : $data
399 1 634 }
635}
636
637sub db_put($$$) {
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"
400} 710}
401 711
402=item cf::datalog type => key => value, ... 712=item cf::datalog type => key => value, ...
403 713
404Log 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.
422attach callbacks/event handlers (a collection of which is called an "attachment") 732attach callbacks/event handlers (a collection of which is called an "attachment")
423to it. All such attachable objects support the following methods. 733to it. All such attachable objects support the following methods.
424 734
425In 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>
426C<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
427crossfire+). 737Deliantra).
428 738
429=over 4 739=over 4
430 740
431=item $attachable->attach ($attachment, key => $value...) 741=item $attachable->attach ($attachment, key => $value...)
432 742
595 $registry = $CB_TYPE[$object_type] ||= []; 905 $registry = $CB_TYPE[$object_type] ||= [];
596 906
597 } elsif ($type eq "subtype") { 907 } elsif ($type eq "subtype") {
598 defined $object_type or Carp::croak "subtype specified without type"; 908 defined $object_type or Carp::croak "subtype specified without type";
599 my $object_subtype = shift @arg; 909 my $object_subtype = shift @arg;
600 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 910 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601 911
602 } elsif ($type eq "package") { 912 } elsif ($type eq "package") {
603 my $pkg = shift @arg; 913 my $pkg = shift @arg;
604 914
605 while (my ($name, $id) = each %cb_id) { 915 while (my ($name, $id) = each %cb_id) {
634 _attach $registry, $klass, @attach; 944 _attach $registry, $klass, @attach;
635 } 945 }
636 946
637 $obj->{$name} = \%arg; 947 $obj->{$name} = \%arg;
638 } else { 948 } else {
639 warn "object uses attachment '$name' that is not available, postponing.\n"; 949 warn "object uses attachment '$name' which is not available, postponing.\n";
640 } 950 }
641 951
642 $obj->{_attachment}{$name} = undef; 952 $obj->{_attachment}{$name} = undef;
643} 953}
644 954
646 if (ref $_[0]) { 956 if (ref $_[0]) {
647 _object_attach @_; 957 _object_attach @_;
648 } else { 958 } else {
649 _attach shift->_attach_registry, @_; 959 _attach shift->_attach_registry, @_;
650 } 960 }
961 _recalc_want;
651}; 962};
652 963
653# all those should be optimised 964# all those should be optimised
654sub cf::attachable::detach { 965sub cf::attachable::detach {
655 my ($obj, $name) = @_; 966 my ($obj, $name) = @_;
658 delete $obj->{_attachment}{$name}; 969 delete $obj->{_attachment}{$name};
659 reattach ($obj); 970 reattach ($obj);
660 } else { 971 } else {
661 Carp::croak "cannot, currently, detach class attachments"; 972 Carp::croak "cannot, currently, detach class attachments";
662 } 973 }
974 _recalc_want;
663}; 975};
664 976
665sub cf::attachable::attached { 977sub cf::attachable::attached {
666 my ($obj, $name) = @_; 978 my ($obj, $name) = @_;
667 979
682 "; 994 ";
683 die if $@; 995 die if $@;
684} 996}
685 997
686our $override; 998our $override;
687our @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?
688 1000
689sub override { 1001sub override {
690 $override = 1; 1002 $override = 1;
691 @invoke_results = (); 1003 @INVOKE_RESULTS = (@_);
692} 1004}
693 1005
694sub do_invoke { 1006sub do_invoke {
695 my $event = shift; 1007 my $event = shift;
696 my $callbacks = shift; 1008 my $callbacks = shift;
697 1009
698 @invoke_results = (); 1010 @INVOKE_RESULTS = ();
699 1011
700 local $override; 1012 local $override;
701 1013
702 for (@$callbacks) { 1014 for (@$callbacks) {
703 eval { &{$_->[1]} }; 1015 eval { &{$_->[1]} };
712 } 1024 }
713 1025
714 0 1026 0
715} 1027}
716 1028
717=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718 1030
719=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1031=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720 1032
721Generate an object-specific event with the given arguments. 1033Generate an object-specific event with the given arguments.
722 1034
723This 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
724removed 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
725results (if you must, access C<@cf::invoke_results> directly). 1037results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726 1038
727=back 1039=back
728 1040
729=cut 1041=cut
730 1042
731############################################################################# 1043#############################################################################
732# 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, $ob2
1086}
733 1087
734sub reattach { 1088sub reattach {
735 # basically do the same as instantiate, without calling instantiate 1089 # basically do the same as instantiate, without calling instantiate
736 my ($obj) = @_; 1090 my ($obj) = @_;
737 1091
758cf::attachable->attach ( 1112cf::attachable->attach (
759 prio => -1000000, 1113 prio => -1000000,
760 on_instantiate => sub { 1114 on_instantiate => sub {
761 my ($obj, $data) = @_; 1115 my ($obj, $data) = @_;
762 1116
763 $data = from_json $data; 1117 $data = decode_json $data;
764 1118
765 for (@$data) { 1119 for (@$data) {
766 my ($name, $args) = @$_; 1120 my ($name, $args) = @$_;
767 1121
768 $obj->attach ($name, %{$args || {} }); 1122 $obj->attach ($name, %{$args || {} });
784sub object_freezer_save { 1138sub object_freezer_save {
785 my ($filename, $rdata, $objs) = @_; 1139 my ($filename, $rdata, $objs) = @_;
786 1140
787 sync_job { 1141 sync_job {
788 if (length $$rdata) { 1142 if (length $$rdata) {
1143 utf8::decode (my $decname = $filename);
789 warn sprintf "saving %s (%d,%d)\n", 1144 warn sprintf "saving %s (%d,%d)\n",
790 $filename, length $$rdata, scalar @$objs; 1145 $decname, length $$rdata, scalar @$objs;
791 1146
792 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1147 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793 chmod SAVE_MODE, $fh; 1148 aio_chmod $fh, SAVE_MODE;
794 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1149 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795 aio_fsync $fh if $cf::USE_FSYNC; 1150 aio_fsync $fh if $cf::USE_FSYNC;
796 close $fh; 1151 aio_close $fh;
797 1152
798 if (@$objs) { 1153 if (@$objs) {
799 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) {
800 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
801 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1156 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802 aio_write $fh, 0, (length $data), $data, 0; 1157 aio_write $fh, 0, (length $data), $data, 0;
803 aio_fsync $fh if $cf::USE_FSYNC; 1158 aio_fsync $fh if $cf::USE_FSYNC;
804 close $fh; 1159 aio_close $fh;
805 aio_rename "$filename.pst~", "$filename.pst"; 1160 aio_rename "$filename.pst~", "$filename.pst";
806 } 1161 }
807 } else { 1162 } else {
808 aio_unlink "$filename.pst"; 1163 aio_unlink "$filename.pst";
809 } 1164 }
814 } 1169 }
815 } else { 1170 } else {
816 aio_unlink $filename; 1171 aio_unlink $filename;
817 aio_unlink "$filename.pst"; 1172 aio_unlink "$filename.pst";
818 } 1173 }
819 } 1174 };
820} 1175}
821 1176
822sub object_freezer_as_string { 1177sub object_freezer_as_string {
823 my ($rdata, $objs) = @_; 1178 my ($rdata, $objs) = @_;
824 1179
836 or return; 1191 or return;
837 1192
838 unless (aio_stat "$filename.pst") { 1193 unless (aio_stat "$filename.pst") {
839 (aio_load "$filename.pst", $av) >= 0 1194 (aio_load "$filename.pst", $av) >= 0
840 or return; 1195 or return;
1196
841 $av = eval { (Storable::thaw $av)->{objs} }; 1197 my $st = eval { Coro::Storable::thaw $av };
1198 $av = $st->{objs};
842 } 1199 }
843 1200
1201 utf8::decode (my $decname = $filename);
844 warn sprintf "loading %s (%d)\n", 1202 warn sprintf "loading %s (%d,%d)\n",
845 $filename, length $data, scalar @{$av || []};#d# 1203 $decname, length $data, scalar @{$av || []};
1204
846 return ($data, $av); 1205 ($data, $av)
847} 1206}
1207
1208=head2 COMMAND CALLBACKS
1209
1210=over 4
1211
1212=cut
848 1213
849############################################################################# 1214#############################################################################
850# command handling &c 1215# command handling &c
851 1216
852=item cf::register_command $name => \&callback($ob,$args); 1217=item cf::register_command $name => \&callback($ob,$args);
865 push @{ $COMMAND{$name} }, [$caller, $cb]; 1230 push @{ $COMMAND{$name} }, [$caller, $cb];
866} 1231}
867 1232
868=item cf::register_extcmd $name => \&callback($pl,$packet); 1233=item cf::register_extcmd $name => \&callback($pl,$packet);
869 1234
870Register 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.
871 1240
872If 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
873called. 1242called.
874 1243
1244=item cf::register_exticmd $name => \&callback($ns,$packet);
1245
1246Register a callback for execution when the client sends an (asynchronous)
1247exticmd packet. Exti commands are processed by the server as soon as they
1248are received, i.e. out of order w.r.t. other commands. The first argument
1249is a client socket. Exti commands can be received anytime, even before
1250log-in.
1251
1252If the callback returns something, it is sent back as if reply was being
1253called.
1254
875=cut 1255=cut
876 1256
877sub register_extcmd { 1257sub register_extcmd {
878 my ($name, $cb) = @_; 1258 my ($name, $cb) = @_;
879 1259
880 $EXTCMD{$name} = $cb; 1260 $EXTCMD{$name} = $cb;
1261}
1262
1263sub register_exticmd {
1264 my ($name, $cb) = @_;
1265
1266 $EXTICMD{$name} = $cb;
881} 1267}
882 1268
883cf::player->attach ( 1269cf::player->attach (
884 on_command => sub { 1270 on_command => sub {
885 my ($pl, $name, $params) = @_; 1271 my ($pl, $name, $params) = @_;
894 cf::override; 1280 cf::override;
895 }, 1281 },
896 on_extcmd => sub { 1282 on_extcmd => sub {
897 my ($pl, $buf) = @_; 1283 my ($pl, $buf) = @_;
898 1284
899 my $msg = eval { from_json $buf }; 1285 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900 1286
901 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
902 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1295 if (my $cb = $EXTCMD{$type}) {
903 if (my %reply = $cb->($pl, $msg)) { 1296 @reply = $cb->($pl, @payload);
904 $pl->ext_reply ($msg->{msgid}, %reply);
905 }
906 } 1297 }
1298
1299 $pl->ext_reply ($reply, @reply)
1300 if $reply;
1301
907 } else { 1302 } else {
908 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1303 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909 } 1304 }
910 1305
911 cf::override; 1306 cf::override;
912 }, 1307 },
913); 1308);
914 1309
915sub load_extension {
916 my ($path) = @_;
917
918 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
919 my $base = $1;
920 my $pkg = $1;
921 $pkg =~ s/[^[:word:]]/_/g;
922 $pkg = "ext::$pkg";
923
924 warn "... loading '$path' into '$pkg'\n";
925
926 open my $fh, "<:utf8", $path
927 or die "$path: $!";
928
929 my $source =
930 "package $pkg; use strict; use utf8;\n"
931 . "#line 1 \"$path\"\n{\n"
932 . (do { local $/; <$fh> })
933 . "\n};\n1";
934
935 unless (eval $source) {
936 my $msg = $@ ? "$path: $@\n"
937 : "extension disabled.\n";
938 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939 warn $@;
940 warn "mandatory extension failed to load, exiting.\n";
941 exit 1;
942 }
943 die $@;
944 }
945
946 push @EXTS, $pkg;
947}
948
949sub load_extensions { 1310sub load_extensions {
1311 cf::sync_job {
1312 my %todo;
1313
950 for my $ext (<$LIBDIR/*.ext>) { 1314 for my $path (<$LIBDIR/*.ext>) {
951 next unless -r $ext; 1315 next unless -r $path;
952 eval { 1316
953 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 $progress = 1;
954 1 1373 }
955 } or warn "$ext not loaded: $@"; 1374
1375 skip:
1376 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1377 unless $progress;
1378 }
956 } 1379 };
957} 1380}
958 1381
959############################################################################# 1382#############################################################################
960 1383
1384=back
1385
961=head2 CORE EXTENSIONS 1386=head2 CORE EXTENSIONS
962 1387
963Functions and methods that extend core crossfire objects. 1388Functions and methods that extend core crossfire objects.
964 1389
965=cut 1390=cut
969use Coro::AIO; 1394use Coro::AIO;
970 1395
971=head3 cf::player 1396=head3 cf::player
972 1397
973=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}
974 1413
975=item cf::player::find $login 1414=item cf::player::find $login
976 1415
977Returns the given player object, loading it if necessary (might block). 1416Returns the given player object, loading it if necessary (might block).
978 1417
1014 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1453 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1454 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1455 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017 aio_unlink +(playerdir $login) . "/$login.pl"; 1456 aio_unlink +(playerdir $login) . "/$login.pl";
1018 1457
1019 my $pl = load_pl path $login 1458 my $f = new_from_file cf::object::thawer path $login
1020 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;
1021 $cf::PLAYER{$login} = $pl 1466 $cf::PLAYER{$login} = $pl
1022 } 1467 }
1023 } 1468 }
1024} 1469}
1025 1470
1034 return if $pl->{deny_save}; 1479 return if $pl->{deny_save};
1035 1480
1036 aio_mkdir playerdir $pl, 0770; 1481 aio_mkdir playerdir $pl, 0770;
1037 $pl->{last_save} = $cf::RUNTIME; 1482 $pl->{last_save} = $cf::RUNTIME;
1038 1483
1484 cf::get_slot 0.01;
1485
1039 $pl->save_pl ($path); 1486 $pl->save_pl ($path);
1040 Coro::cede; 1487 cf::cede_to_tick;
1041} 1488}
1042 1489
1043sub new($) { 1490sub new($) {
1044 my ($login) = @_; 1491 my ($login) = @_;
1045 1492
1051 $cf::PLAYER{$login} = $self; 1498 $cf::PLAYER{$login} = $self;
1052 1499
1053 $self 1500 $self
1054} 1501}
1055 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
1056=item $pl->quit_character 1513=item $pl->quit_character
1057 1514
1058Nukes the player without looking back. If logged in, the connection will 1515Nukes the player without looking back. If logged in, the connection will
1059be destroyed. May block for a long time. 1516be destroyed. May block for a long time.
1060 1517
1068 $pl->{deny_save} = 1; 1525 $pl->{deny_save} = 1;
1069 $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
1070 1527
1071 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1528 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072 $pl->deactivate; 1529 $pl->deactivate;
1530 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531 $pl->ob->check_score;
1073 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1532 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1074 $pl->ns->destroy if $pl->ns; 1533 $pl->ns->destroy if $pl->ns;
1075 1534
1076 my $path = playerdir $pl; 1535 my $path = playerdir $pl;
1077 my $temp = "$path~$cf::RUNTIME~deleting~"; 1536 my $temp = "$path~$cf::RUNTIME~deleting~";
1113 or return []; 1572 or return [];
1114 1573
1115 my @logins; 1574 my @logins;
1116 1575
1117 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") {
1118 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1582 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119 aio_read $fh, 0, 512, my $buf, 0 or next; 1583 aio_read $fh, 0, 512, my $buf, 0 or next;
1120 $buf !~ /^password -------------$/m or next; # official not-valid tag 1584 $buf !~ /^password -------------$/m or next; # official not-valid tag
1585 }
1121 1586
1122 utf8::decode $login; 1587 utf8::decode $login;
1123 push @logins, $login; 1588 push @logins, $login;
1124 } 1589 }
1125 1590
1152 } 1617 }
1153 1618
1154 \@paths 1619 \@paths
1155} 1620}
1156 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
1157=item $player->ext_reply ($msgid, %msg) 1715=item $player->ext_reply ($msgid, @msg)
1158 1716
1159Sends an ext reply to the player. 1717Sends an ext reply to the player.
1160 1718
1161=cut 1719=cut
1162 1720
1163sub ext_reply($$%) { 1721sub ext_reply($$@) {
1164 my ($self, $id, %msg) = @_; 1722 my ($self, $id, @msg) = @_;
1165 1723
1166 $msg{msgid} = $id; 1724 $self->ns->ext_reply ($id, @msg)
1167
1168 $self->send ("ext " . cf::to_json \%msg);
1169} 1725}
1170 1726
1171=item $player->ext_event ($type, %msg) 1727=item $player->ext_msg ($type, @msg)
1172 1728
1173Sends an ext event to the client. 1729Sends an ext event to the client.
1174 1730
1175=cut 1731=cut
1176 1732
1177sub ext_event($$%) { 1733sub ext_msg($$@) {
1178 my ($self, $type, %msg) = @_; 1734 my ($self, $type, @msg) = @_;
1179 1735
1180 $self->ns->ext_event ($type, %msg); 1736 $self->ns->ext_msg ($type, @msg);
1181} 1737}
1182 1738
1183=head3 cf::region 1739=head3 cf::region
1184 1740
1185=over 4 1741=over 4
1188 1744
1189package cf::region; 1745package cf::region;
1190 1746
1191=item cf::region::find_by_path $path 1747=item cf::region::find_by_path $path
1192 1748
1193Tries to decuce the probable region for a map knowing only its path. 1749Tries to decuce the likely region for a map knowing only its path.
1194 1750
1195=cut 1751=cut
1196 1752
1197sub find_by_path($) { 1753sub find_by_path($) {
1198 my ($path) = @_; 1754 my ($path) = @_;
1199 1755
1200 my ($match, $specificity); 1756 my ($match, $specificity);
1201 1757
1202 for my $region (list) { 1758 for my $region (list) {
1203 if ($region->match && $path =~ $region->match) { 1759 if ($region->{match} && $path =~ $region->{match}) {
1204 ($match, $specificity) = ($region, $region->specificity) 1760 ($match, $specificity) = ($region, $region->specificity)
1205 if $region->specificity > $specificity; 1761 if $region->specificity > $specificity;
1206 } 1762 }
1207 } 1763 }
1208 1764
1229our $MAX_RESET = 3600; 1785our $MAX_RESET = 3600;
1230our $DEFAULT_RESET = 3000; 1786our $DEFAULT_RESET = 3000;
1231 1787
1232sub generate_random_map { 1788sub generate_random_map {
1233 my ($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
1234 # mit "rum" bekleckern, nicht 1793 # mit "rum" bekleckern, nicht
1235 $self->_create_random_map ( 1794 $self->_create_random_map (
1236 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1795 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1796 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1797 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272 my ($self, $merge) = @_; 1831 my ($self, $merge) = @_;
1273 1832
1274 # we have to keep some variables in memory intact 1833 # we have to keep some variables in memory intact
1275 local $self->{path}; 1834 local $self->{path};
1276 local $self->{load_path}; 1835 local $self->{load_path};
1277 local $self->{deny_save};
1278 local $self->{deny_reset};
1279 1836
1280 $self->SUPER::thawer_merge ($merge); 1837 $self->SUPER::thawer_merge ($merge);
1281} 1838}
1282 1839
1283sub normalise { 1840sub normalise {
1330 $self->init; # pass $1 etc. 1887 $self->init; # pass $1 etc.
1331 return $self; 1888 return $self;
1332 } 1889 }
1333 } 1890 }
1334 1891
1335 Carp::carp "unable to resolve path '$path' (base '$base')."; 1892 Carp::cluck "unable to resolve path '$path' (base '$base').";
1336 () 1893 ()
1337} 1894}
1338 1895
1339sub init { 1896sub init {
1340 my ($self) = @_; 1897 my ($self) = @_;
1362 1919
1363# the temporary/swap location 1920# the temporary/swap location
1364sub save_path { 1921sub save_path {
1365 my ($self) = @_; 1922 my ($self) = @_;
1366 1923
1367 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1924 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368 "$TMPDIR/$path.map" 1925 "$TMPDIR/$path.map"
1369} 1926}
1370 1927
1371# the unique path, undef == no special unique path 1928# the unique path, undef == no special unique path
1372sub uniq_path { 1929sub uniq_path {
1373 my ($self) = @_; 1930 my ($self) = @_;
1374 1931
1375 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376 "$UNIQUEDIR/$path" 1933 "$UNIQUEDIR/$path"
1377} 1934}
1378 1935
1379# and all this just because we cannot iterate over 1936# and all this just because we cannot iterate over
1380# all maps in C++... 1937# all maps in C++...
1383 1940
1384 $_->change_map_light ($change) 1941 $_->change_map_light ($change)
1385 for grep $_->outdoor, values %cf::MAP; 1942 for grep $_->outdoor, values %cf::MAP;
1386} 1943}
1387 1944
1945sub decay_objects {
1946 my ($self) = @_;
1947
1948 return if $self->{deny_reset};
1949
1950 $self->do_decay_objects;
1951}
1952
1388sub unlink_save { 1953sub unlink_save {
1389 my ($self) = @_; 1954 my ($self) = @_;
1390 1955
1391 utf8::encode (my $save = $self->save_path); 1956 utf8::encode (my $save = $self->save_path);
1392 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1395 1960
1396sub load_header_from($) { 1961sub load_header_from($) {
1397 my ($self, $path) = @_; 1962 my ($self, $path) = @_;
1398 1963
1399 utf8::encode $path; 1964 utf8::encode $path;
1400 #aio_open $path, O_RDONLY, 0 1965 my $f = new_from_file cf::object::thawer $path
1401 # or return;
1402
1403 $self->_load_header ($path)
1404 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;
1405 1973
1406 $self->{load_path} = $path; 1974 $self->{load_path} = $path;
1407 1975
1408 1 1976 1
1409} 1977}
1448 $self->load_header_orig 2016 $self->load_header_orig
1449 or return; 2017 or return;
1450 $self->prepare_orig; 2018 $self->prepare_orig;
1451 } 2019 }
1452 2020
2021 $self->{deny_reset} = 1
2022 if $self->no_reset;
2023
1453 $self->default_region (cf::region::find_by_path $self->{path}) 2024 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region; 2025 unless $self->default_region;
1455 2026
1456 1 2027 1
1457} 2028}
1460sub find { 2031sub find {
1461 my ($path, $origin) = @_; 2032 my ($path, $origin) = @_;
1462 2033
1463 $path = normalise $path, $origin && $origin->path; 2034 $path = normalise $path, $origin && $origin->path;
1464 2035
2036 cf::lock_wait "map_data:$path";#d#remove
1465 cf::lock_wait "map_find:$path"; 2037 cf::lock_wait "map_find:$path";
1466 2038
1467 $cf::MAP{$path} || do { 2039 $cf::MAP{$path} || do {
2040 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1468 my $guard = cf::lock_acquire "map_find:$path"; 2041 my $guard2 = cf::lock_acquire "map_find:$path";
2042
1469 my $map = new_from_path cf::map $path 2043 my $map = new_from_path cf::map $path
1470 or return; 2044 or return;
1471 2045
1472 $map->{last_save} = $cf::RUNTIME; 2046 $map->{last_save} = $cf::RUNTIME;
1473 2047
1474 $map->load_header 2048 $map->load_header
1475 or return; 2049 or return;
1476 2050
1477 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2051 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478 # doing this can freeze the server in a sync job, obviously 2052 # doing this can freeze the server in a sync job, obviously
1479 #$cf::WAIT_FOR_TICK->wait; 2053 #$cf::WAIT_FOR_TICK->wait;
2054 undef $guard2;
2055 undef $guard1;
1480 $map->reset; 2056 $map->reset;
1481 undef $guard;
1482 return find $path; 2057 return find $path;
1483 } 2058 }
1484 2059
1485 $cf::MAP{$path} = $map 2060 $cf::MAP{$path} = $map
1486 } 2061 }
1495 local $self->{deny_reset} = 1; # loading can take a long time 2070 local $self->{deny_reset} = 1; # loading can take a long time
1496 2071
1497 my $path = $self->{path}; 2072 my $path = $self->{path};
1498 2073
1499 { 2074 {
1500 my $guard = cf::lock_acquire "map_load:$path"; 2075 my $guard = cf::lock_acquire "map_data:$path";
1501 2076
2077 return unless $self->valid;
1502 return if $self->in_memory != cf::MAP_SWAPPED; 2078 return unless $self->in_memory == cf::MAP_SWAPPED;
1503 2079
1504 $self->in_memory (cf::MAP_LOADING); 2080 $self->in_memory (cf::MAP_LOADING);
1505 2081
1506 $self->alloc; 2082 $self->alloc;
1507 2083
1508 $self->pre_load; 2084 $self->pre_load;
1509 Coro::cede; 2085 cf::cede_to_tick;
1510 2086
2087 my $f = new_from_file cf::object::thawer $self->{load_path};
2088 $f->skip_block;
1511 $self->_load_objects ($self->{load_path}, 1) 2089 $self->_load_objects ($f)
1512 or return; 2090 or return;
1513 2091
1514 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2092 $self->post_load_original
1515 if delete $self->{load_original}; 2093 if delete $self->{load_original};
1516 2094
1517 if (my $uniq = $self->uniq_path) { 2095 if (my $uniq = $self->uniq_path) {
1518 utf8::encode $uniq; 2096 utf8::encode $uniq;
1519 if (aio_open $uniq, O_RDONLY, 0) { 2097 unless (aio_stat $uniq) {
2098 if (my $f = new_from_file cf::object::thawer $uniq) {
1520 $self->clear_unique_items; 2099 $self->clear_unique_items;
1521 $self->_load_objects ($uniq, 0); 2100 $self->_load_objects ($f);
2101 $f->resolve_delayed_derefs;
2102 }
1522 } 2103 }
1523 } 2104 }
1524 2105
1525 Coro::cede; 2106 $f->resolve_delayed_derefs;
2107
2108 cf::cede_to_tick;
1526 # now do the right thing for maps 2109 # now do the right thing for maps
1527 $self->link_multipart_objects; 2110 $self->link_multipart_objects;
1528 $self->difficulty ($self->estimate_difficulty) 2111 $self->difficulty ($self->estimate_difficulty)
1529 unless $self->difficulty; 2112 unless $self->difficulty;
1530 Coro::cede; 2113 cf::cede_to_tick;
1531 2114
1532 unless ($self->{deny_activate}) { 2115 unless ($self->{deny_activate}) {
1533 $self->decay_objects; 2116 $self->decay_objects;
1534 $self->fix_auto_apply; 2117 $self->fix_auto_apply;
1535 $self->update_buttons; 2118 $self->update_buttons;
1536 Coro::cede; 2119 cf::cede_to_tick;
1537 $self->set_darkness_map; 2120 $self->set_darkness_map;
1538 Coro::cede; 2121 cf::cede_to_tick;
1539 $self->activate; 2122 $self->activate;
1540 } 2123 }
1541 2124
2125 $self->{last_save} = $cf::RUNTIME;
2126 $self->last_access ($cf::RUNTIME);
2127
1542 $self->in_memory (cf::MAP_IN_MEMORY); 2128 $self->in_memory (cf::MAP_ACTIVE);
1543 } 2129 }
1544 2130
1545 $self->post_load; 2131 $self->post_load;
1546} 2132}
1547 2133
1549 my ($self, $ob) = @_; 2135 my ($self, $ob) = @_;
1550 2136
1551 return find "~" . $ob->name . "/" . $self->{path} 2137 return find "~" . $ob->name . "/" . $self->{path}
1552 if $self->per_player; 2138 if $self->per_player;
1553 2139
2140# return find "?party/" . $ob->name . "/" . $self->{path}
2141# if $self->per_party;
2142
1554 $self 2143 $self
1555} 2144}
1556 2145
1557# find and load all maps in the 3x3 area around a map 2146# find and load all maps in the 3x3 area around a map
1558sub load_diag { 2147sub load_neighbours {
1559 my ($map) = @_; 2148 my ($map) = @_;
1560 2149
1561 my @diag; # diagonal neighbours 2150 my @neigh; # diagonal neighbours
1562 2151
1563 for (0 .. 3) { 2152 for (0 .. 3) {
1564 my $neigh = $map->tile_path ($_) 2153 my $neigh = $map->tile_path ($_)
1565 or next; 2154 or next;
1566 $neigh = find $neigh, $map 2155 $neigh = find $neigh, $map
1567 or next; 2156 or next;
1568 $neigh->load; 2157 $neigh->load;
1569 2158
2159 push @neigh,
1570 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2160 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2161 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1572 } 2162 }
1573 2163
1574 for (@diag) { 2164 for (grep defined $_->[0], @neigh) {
2165 my ($path, $origin) = @$_;
1575 my $neigh = find @$_ 2166 my $neigh = find $path, $origin
1576 or next; 2167 or next;
1577 $neigh->load; 2168 $neigh->load;
1578 } 2169 }
1579} 2170}
1580 2171
1585} 2176}
1586 2177
1587sub do_load_sync { 2178sub do_load_sync {
1588 my ($map) = @_; 2179 my ($map) = @_;
1589 2180
2181 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2182 if $Coro::current == $Coro::main;
2183
1590 cf::sync_job { $map->load }; 2184 cf::sync_job { $map->load };
1591} 2185}
1592 2186
1593our %MAP_PREFETCH; 2187our %MAP_PREFETCH;
1594our $MAP_PREFETCHER = undef; 2188our $MAP_PREFETCHER = undef;
1595 2189
1596sub find_async { 2190sub find_async {
1597 my ($path, $origin) = @_; 2191 my ($path, $origin, $load) = @_;
1598 2192
1599 $path = normalise $path, $origin && $origin->{path}; 2193 $path = normalise $path, $origin && $origin->{path};
1600 2194
1601 if (my $map = $cf::MAP{$path}) { 2195 if (my $map = $cf::MAP{$path}) {
1602 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2196 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603 } 2197 }
1604 2198
1605 undef $MAP_PREFETCH{$path}; 2199 $MAP_PREFETCH{$path} |= $load;
2200
1606 $MAP_PREFETCHER ||= cf::async { 2201 $MAP_PREFETCHER ||= cf::async {
2202 $Coro::current->{desc} = "map prefetcher";
2203
1607 while (%MAP_PREFETCH) { 2204 while (%MAP_PREFETCH) {
1608 for my $path (keys %MAP_PREFETCH) { 2205 while (my ($k, $v) = each %MAP_PREFETCH) {
1609 my $map = find $path 2206 if (my $map = find $k) {
1610 or next;
1611 $map->load; 2207 $map->load if $v;
2208 }
1612 2209
1613 delete $MAP_PREFETCH{$path}; 2210 delete $MAP_PREFETCH{$k};
1614 } 2211 }
1615 } 2212 }
1616 undef $MAP_PREFETCHER; 2213 undef $MAP_PREFETCHER;
1617 }; 2214 };
1618 $MAP_PREFETCHER->prio (6); 2215 $MAP_PREFETCHER->prio (6);
1621} 2218}
1622 2219
1623sub save { 2220sub save {
1624 my ($self) = @_; 2221 my ($self) = @_;
1625 2222
1626 my $lock = cf::lock_acquire "map_data:" . $self->path; 2223 my $lock = cf::lock_acquire "map_data:$self->{path}";
1627 2224
1628 $self->{last_save} = $cf::RUNTIME; 2225 $self->{last_save} = $cf::RUNTIME;
1629 2226
1630 return unless $self->dirty; 2227 return unless $self->dirty;
1631 2228
1637 return if $self->{deny_save}; 2234 return if $self->{deny_save};
1638 2235
1639 local $self->{last_access} = $self->last_access;#d# 2236 local $self->{last_access} = $self->last_access;#d#
1640 2237
1641 cf::async { 2238 cf::async {
2239 $Coro::current->{desc} = "map player save";
1642 $_->contr->save for $self->players; 2240 $_->contr->save for $self->players;
1643 }; 2241 };
2242
2243 cf::get_slot 0.02;
1644 2244
1645 if ($uniq) { 2245 if ($uniq) {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2247 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1648 } else { 2248 } else {
1654 my ($self) = @_; 2254 my ($self) = @_;
1655 2255
1656 # save first because save cedes 2256 # save first because save cedes
1657 $self->save; 2257 $self->save;
1658 2258
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2260
1661 return if $self->players; 2261 return if $self->players;
1662 return if $self->in_memory != cf::MAP_IN_MEMORY; 2262 return if $self->in_memory != cf::MAP_ACTIVE;
1663 return if $self->{deny_save}; 2263 return if $self->{deny_save};
1664 2264
2265 $self->in_memory (cf::MAP_SWAPPED);
2266
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
1665 $self->clear; 2269 $self->clear;
1666 $self->in_memory (cf::MAP_SWAPPED);
1667} 2270}
1668 2271
1669sub reset_at { 2272sub reset_at {
1670 my ($self) = @_; 2273 my ($self) = @_;
1671 2274
1672 # TODO: safety, remove and allow resettable per-player maps 2275 # TODO: safety, remove and allow resettable per-player maps
1673 return 1e99 if $self->isa ("ext::map_per_player");#d#
1674 return 1e99 if $self->{deny_reset}; 2276 return 1e99 if $self->{deny_reset};
1675 2277
1676 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2278 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2279 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678 2280
1689 my ($self) = @_; 2291 my ($self) = @_;
1690 2292
1691 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2293 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2294
1693 return if $self->players; 2295 return if $self->players;
1694 return if $self->isa ("ext::map_per_player");#d#
1695 2296
1696 warn "resetting map ", $self->path;#d# 2297 warn "resetting map ", $self->path;
1697 2298
1698 $self->in_memory (cf::MAP_SWAPPED); 2299 $self->in_memory (cf::MAP_SWAPPED);
1699 2300
1700 # need to save uniques path 2301 # need to save uniques path
1701 unless ($self->{deny_save}) { 2302 unless ($self->{deny_save}) {
1705 if $uniq; 2306 if $uniq;
1706 } 2307 }
1707 2308
1708 delete $cf::MAP{$self->path}; 2309 delete $cf::MAP{$self->path};
1709 2310
2311 $self->deactivate;
2312 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2313 $self->clear;
1711
1712 $_->clear_links_to ($self) for values %cf::MAP;
1713 2314
1714 $self->unlink_save; 2315 $self->unlink_save;
1715 $self->destroy; 2316 $self->destroy;
1716} 2317}
1717 2318
1718my $nuke_counter = "aaaa"; 2319my $nuke_counter = "aaaa";
1719 2320
1720sub nuke { 2321sub nuke {
1721 my ($self) = @_; 2322 my ($self) = @_;
1722 2323
2324 {
2325 my $lock = cf::lock_acquire "map_data:$self->{path}";
2326
1723 delete $cf::MAP{$self->path}; 2327 delete $cf::MAP{$self->path};
1724 2328
1725 $self->unlink_save; 2329 $self->unlink_save;
1726 2330
1727 bless $self, "cf::map"; 2331 bless $self, "cf::map";
1728 delete $self->{deny_reset}; 2332 delete $self->{deny_reset};
1729 $self->{deny_save} = 1; 2333 $self->{deny_save} = 1;
1730 $self->reset_timeout (1); 2334 $self->reset_timeout (1);
1731 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2335 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732 2336
1733 $cf::MAP{$self->path} = $self; 2337 $cf::MAP{$self->path} = $self;
2338 }
1734 2339
1735 $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 ]
1736} 2377}
1737 2378
1738=item cf::map::unique_maps 2379=item cf::map::unique_maps
1739 2380
1740Returns an arrayref of paths of all shared maps that have 2381Returns an arrayref of paths of all shared maps that have
1741instantiated unique items. May block. 2382instantiated unique items. May block.
1742 2383
1743=cut 2384=cut
1744 2385
1745sub unique_maps() { 2386sub unique_maps() {
1746 my $files = aio_readdir $UNIQUEDIR 2387 [
1747 or return; 2388 map {
1748
1749 my @paths;
1750
1751 for (@$files) {
1752 utf8::decode $_; 2389 utf8::decode $_;
1753 next if /\.pst$/; 2390 s/\.map$//; # TODO future compatibility hack
1754 next unless /^$PATH_SEP/o; 2391 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755 2392 ? ()
1756 push @paths, cf::map::normalise $_; 2393 : normalise $_
2394 } @{ aio_readdir $UNIQUEDIR or [] }
1757 } 2395 ]
1758
1759 \@paths
1760} 2396}
1761
1762package cf;
1763 2397
1764=back 2398=back
1765 2399
1766=head3 cf::object 2400=head3 cf::object
1767 2401
1771 2405
1772=over 4 2406=over 4
1773 2407
1774=item $ob->inv_recursive 2408=item $ob->inv_recursive
1775 2409
1776Returns 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.
1777 2412
1778=cut 2413=cut
1779 2414
1780sub inv_recursive_; 2415sub inv_recursive_;
1781sub inv_recursive_ { 2416sub inv_recursive_ {
1784 2419
1785sub inv_recursive { 2420sub inv_recursive {
1786 inv_recursive_ inv $_[0] 2421 inv_recursive_ inv $_[0]
1787} 2422}
1788 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
1789package cf; 2452package cf;
1790 2453
1791=back 2454=back
1792 2455
1793=head3 cf::object::player 2456=head3 cf::object::player
1799Sends 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>
1800can 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
1801dialogue with the given NPC character. 2464dialogue with the given NPC character.
1802 2465
1803=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};
1804 2481
1805# rough implementation of a future "reply" method that works 2482# rough implementation of a future "reply" method that works
1806# with dialog boxes. 2483# with dialog boxes.
1807#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
1808sub cf::object::player::reply($$$;$) { 2485sub cf::object::player::reply($$$;$) {
1810 2487
1811 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2488 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812 2489
1813 if ($self->{record_replies}) { 2490 if ($self->{record_replies}) {
1814 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2491 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2492
1815 } 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 {
1816 $msg = $npc->name . " says: $msg" if $npc; 2501 $msg = $npc->name . " says: $msg" if $npc;
1817 $self->message ($msg, $flags); 2502 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2503 }
1818 } 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 (@_);
1819} 2515}
1820 2516
1821=item $player_object->may ("access") 2517=item $player_object->may ("access")
1822 2518
1823Returns wether the given player is authorized to access resource "access" 2519Returns wether the given player is authorized to access resource "access"
1870 $self->deactivate_recursive; 2566 $self->deactivate_recursive;
1871 2567
1872 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2568 return if UNIVERSAL::isa $self->map, "ext::map_link";
1873 2569
1874 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2570 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875 if $self->map; 2571 if $self->map && $self->map->{path} ne "{link}";
1876 2572
1877 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2573 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1878} 2574}
1879 2575
1880sub cf::object::player::leave_link { 2576sub cf::object::player::leave_link {
1881 my ($self, $map, $x, $y) = @_; 2577 my ($self, $map, $x, $y) = @_;
2578
2579 return unless $self->contr->active;
1882 2580
1883 my $link_pos = delete $self->{_link_pos}; 2581 my $link_pos = delete $self->{_link_pos};
1884 2582
1885 unless ($map) { 2583 unless ($map) {
1886 # restore original map position 2584 # restore original map position
1900 # use -1 or undef as default coordinates, not 0, 0 2598 # use -1 or undef as default coordinates, not 0, 0
1901 ($x, $y) = ($map->enter_x, $map->enter_y) 2599 ($x, $y) = ($map->enter_x, $map->enter_y)
1902 if $x <=0 && $y <= 0; 2600 if $x <=0 && $y <= 0;
1903 2601
1904 $map->load; 2602 $map->load;
1905 $map->load_diag; 2603 $map->load_neighbours;
1906 2604
1907 return unless $self->contr->active; 2605 return unless $self->contr->active;
1908 $self->activate_recursive; 2606 $self->activate_recursive;
1909 2607
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911 $self->enter_map ($map, $x, $y); 2609 $self->enter_map ($map, $x, $y);
1912} 2610}
1913 2611
1914cf::player->attach ( 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915 on_logout => sub {
1916 my ($pl) = @_;
1917 2613
1918 # abort map switching before logout 2614Moves the player to the given map-path and coordinates by first freezing
1919 if ($pl->ob->{_link_pos}) { 2615her, loading and preparing them map, calling the provided $check callback
1920 cf::sync_job { 2616that has to return the map if sucecssful, and then unfreezes the player on
1921 $pl->ob->leave_link 2617the new (success) or old (failed) map position. In either case, $done will
1922 }; 2618be called at the end of this process.
1923 }
1924 },
1925 on_login => sub {
1926 my ($pl) = @_;
1927 2619
1928 # try to abort aborted map switching on player login :) 2620Note that $check will be called with a potentially non-loaded map, so if
1929 # should happen only on crashes 2621it needs a loaded map it has to call C<< ->load >>.
1930 if ($pl->ob->{_link_pos}) {
1931 $pl->ob->enter_link;
1932 (async {
1933 $pl->ob->reply (undef,
1934 "There was an internal problem at your last logout, "
1935 . "the server will try to bring you to your intended destination in a second.",
1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1939 Coro::Timer::sleep 1;
1940 $pl->ob->leave_link;
1941 })->prio (2);
1942 }
1943 },
1944);
1945 2622
1946=item $player_object->goto ($path, $x, $y)
1947
1948=cut 2623=cut
2624
2625our $GOTOGEN;
1949 2626
1950sub cf::object::player::goto { 2627sub cf::object::player::goto {
1951 my ($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;
1952 2632
1953 $self->enter_link; 2633 $self->enter_link;
1954 2634
1955 (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
1956 my $map = eval { 2657 my $map = eval {
1957 my $map = cf::map::find $path; 2658 my $map = defined $path ? cf::map::find $path : undef;
2659
2660 if ($map) {
1958 $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
1959 $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 $@;
1960 } or 2673 }
1961 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962 2674
2675 if ($gen == $self->{_goto_generation}) {
2676 delete $self->{_goto_generation};
1963 $self->leave_link ($map, $x, $y); 2677 $self->leave_link ($map, $x, $y);
2678 }
2679
2680 $done->() if $done;
1964 })->prio (1); 2681 })->prio (1);
1965} 2682}
1966 2683
1967=item $player_object->enter_exit ($exit_object) 2684=item $player_object->enter_exit ($exit_object)
1968 2685
1988} 2705}
1989 2706
1990sub prepare_random_map { 2707sub prepare_random_map {
1991 my ($exit) = @_; 2708 my ($exit) = @_;
1992 2709
1993 my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995 # all this does is basically replace the /! path by 2710 # all this does is basically replace the /! path by
1996 # a new random map path (?random/...) with a seed 2711 # a new random map path (?random/...) with a seed
1997 # that depends on the exit object 2712 # that depends on the exit object
1998 2713
1999 my $rmp = parse_random_map_params $exit->msg; 2714 my $rmp = parse_random_map_params $exit->msg;
2001 if ($exit->map) { 2716 if ($exit->map) {
2002 $rmp->{region} = $exit->region->name; 2717 $rmp->{region} = $exit->region->name;
2003 $rmp->{origin_map} = $exit->map->path; 2718 $rmp->{origin_map} = $exit->map->path;
2004 $rmp->{origin_x} = $exit->x; 2719 $rmp->{origin_x} = $exit->x;
2005 $rmp->{origin_y} = $exit->y; 2720 $rmp->{origin_y} = $exit->y;
2721
2722 $exit->map->touch;
2006 } 2723 }
2007 2724
2008 $rmp->{random_seed} ||= $exit->random_seed; 2725 $rmp->{random_seed} ||= $exit->random_seed;
2009 2726
2010 my $data = cf::to_json $rmp; 2727 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011 my $md5 = Digest::MD5::md5_hex $data; 2728 my $md5 = Digest::MD5::md5_hex $data;
2012 my $meta = "$RANDOMDIR/$md5.meta"; 2729 my $meta = "$RANDOMDIR/$md5.meta";
2013 2730
2014 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2731 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015 aio_write $fh, 0, (length $data), $data, 0; 2732 aio_write $fh, 0, (length $data), $data, 0;
2016 undef $fh; 2733 undef $fh;
2017 aio_rename "$meta~", $meta; 2734 aio_rename "$meta~", $meta;
2018 2735
2736 my $slaying = "?random/$md5";
2737
2738 if ($exit->valid) {
2019 $exit->slaying ("?random/$md5"); 2739 $exit->slaying ("?random/$md5");
2020 $exit->msg (undef); 2740 $exit->msg (undef);
2741 }
2021 } 2742 }
2022} 2743}
2023 2744
2024sub cf::object::player::enter_exit { 2745sub cf::object::player::enter_exit {
2025 my ($self, $exit) = @_; 2746 my ($self, $exit) = @_;
2026 2747
2027 return unless $self->type == cf::PLAYER; 2748 return unless $self->type == cf::PLAYER;
2028 2749
2029 if ($exit->slaying eq "/!") {
2030 #TODO: this should de-fi-ni-te-ly not be a sync-job
2031 # the problem is that $exit might not survive long enough
2032 # so it needs to be done right now, right here
2033 cf::sync_job { prepare_random_map $exit };
2034 }
2035
2036 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037 my $hp = $exit->stats->hp;
2038 my $sp = $exit->stats->sp;
2039
2040 $self->enter_link; 2750 $self->enter_link;
2041 2751
2042 (async { 2752 (async {
2043 $self->deactivate_recursive; # just to be sure 2753 $Coro::current->{desc} = "enter_exit";
2754
2044 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
2045 $self->goto ($slaying, $hp, $sp); 2770 $self->goto ($map, $x, $y);
2046 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
2047 1; 2776 1
2048 }) { 2777 }) {
2049 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the crossfire server. "
2050 . "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. "
2051 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
2052 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
2073 2802
2074 utf8::encode $text; 2803 utf8::encode $text;
2075 $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);
2076} 2805}
2077 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
2078=item $client->ext_event ($type, %msg) 2937=item $client->ext_msg ($type, @msg)
2079 2938
2080Sends an exti event to the client. 2939Sends an ext event to the client.
2081 2940
2082=cut 2941=cut
2083 2942
2084sub cf::client::ext_event($$%) { 2943sub cf::client::ext_msg($$@) {
2085 my ($self, $type, %msg) = @_; 2944 my ($self, $type, @msg) = @_;
2086 2945
2946 if ($self->extcmd == 2) {
2947 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948 } elsif ($self->extcmd == 1) { # TODO: remove
2087 $msg{msgtype} = "event_$type"; 2949 push @msg, msgtype => "event_$type";
2088 $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 }
2089} 2970}
2090 2971
2091=item $success = $client->query ($flags, "text", \&cb) 2972=item $success = $client->query ($flags, "text", \&cb)
2092 2973
2093Queues a query to the client, calling the given callback with 2974Queues a query to the client, calling the given callback with
2094the 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>,
2095C<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>.
2096 2977
2097Queries 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
2098reliable at some point in the future. 2979become reliable at some point in the future.
2099 2980
2100=cut 2981=cut
2101 2982
2102sub cf::client::query { 2983sub cf::client::query {
2103 my ($self, $flags, $text, $cb) = @_; 2984 my ($self, $flags, $text, $cb) = @_;
2111 utf8::encode $text; 2992 utf8::encode $text;
2112 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2993 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113 2994
2114 $self->send_packet ($self->{query_queue}[0][0]) 2995 $self->send_packet ($self->{query_queue}[0][0])
2115 if @{ $self->{query_queue} } == 1; 2996 if @{ $self->{query_queue} } == 1;
2997
2998 1
2116} 2999}
2117 3000
2118cf::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 },
2119 on_reply => sub { 3007 on_reply => sub {
2120 my ($ns, $msg) = @_; 3008 my ($ns, $msg) = @_;
2121 3009
2122 # this weird shuffling is so that direct followup queries 3010 # this weird shuffling is so that direct followup queries
2123 # get handled first 3011 # get handled first
2135 } else { 3023 } else {
2136 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137 } 3025 }
2138 } 3026 }
2139 }, 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 },
2140); 3054);
2141 3055
2142=item $client->async (\&cb) 3056=item $client->async (\&cb)
2143 3057
2144Create a new coroutine, running the specified callback. The coroutine will 3058Create a new coroutine, running the specified callback. The coroutine will
2185our $safe = new Safe "safe"; 3099our $safe = new Safe "safe";
2186our $safe_hole = new Safe::Hole; 3100our $safe_hole = new Safe::Hole;
2187 3101
2188$SIG{FPE} = 'IGNORE'; 3102$SIG{FPE} = 'IGNORE';
2189 3103
2190$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));
2191 3109
2192# here we export the classes and methods available to script code 3110# here we export the classes and methods available to script code
2193 3111
2194=pod 3112=pod
2195 3113
2196The following functions and methods are available within a safe environment: 3114The following functions and methods are available within a safe environment:
2197 3115
2198 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
2199 cf::object::player player 3120 cf::object::player
2200 cf::player peaceful 3121 player
2201 cf::map trigger 3122
3123 cf::player
3124 peaceful
3125
3126 cf::map
3127 trigger
2202 3128
2203=cut 3129=cut
2204 3130
2205for ( 3131for (
2206 ["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)],
2207 ["cf::object::player" => qw(player)], 3135 ["cf::object::player" => qw(player)],
2208 ["cf::player" => qw(peaceful)], 3136 ["cf::player" => qw(peaceful)],
2209 ["cf::map" => qw(trigger)], 3137 ["cf::map" => qw(trigger)],
2210) { 3138) {
2211 no strict 'refs'; 3139 no strict 'refs';
2282=back 3210=back
2283 3211
2284=cut 3212=cut
2285 3213
2286############################################################################# 3214#############################################################################
2287
2288=head2 EXTENSION DATABASE SUPPORT
2289
2290Crossfire maintains a very simple database for extension use. It can
2291currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292convert to/from binary).
2293
2294The parameter C<$family> should best start with the name of the extension
2295using it, it should be unique.
2296
2297=over 4
2298
2299=item $value = cf::db_get $family => $key
2300
2301Returns a single value from the database.
2302
2303=item cf::db_put $family => $key => $value
2304
2305Stores the given C<$value> in the family.
2306
2307=cut
2308
2309our $DB;
2310
2311sub db_init {
2312 unless ($DB) {
2313 $DB = BDB::db_create $DB_ENV;
2314
2315 cf::sync_job {
2316 eval {
2317 $DB->set_flags (BDB::CHKSUM);
2318
2319 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321 cf::cleanup "db_open(db): $!" if $!;
2322 };
2323 cf::cleanup "db_open(db): $@" if $@;
2324 };
2325 }
2326}
2327
2328sub db_get($$) {
2329 my $key = "$_[0]/$_[1]";
2330
2331 cf::sync_job {
2332 BDB::db_get $DB, undef, $key, my $data;
2333
2334 $! ? ()
2335 : $data
2336 }
2337}
2338
2339sub db_put($$$) {
2340 BDB::dbreq_pri 4;
2341 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342}
2343
2344=item cf::cache $id => [$paths...], $processversion => $process
2345
2346Generic caching function that returns the value of the resource $id,
2347caching and regenerating as required.
2348
2349This function can block.
2350
2351=cut
2352
2353sub cache {
2354 my ($id, $src, $processversion, $process) = @_;
2355
2356 my $meta =
2357 join "\x00",
2358 $processversion,
2359 map {
2360 aio_stat $_
2361 and Carp::croak "$_: $!";
2362
2363 ($_, (stat _)[7,9])
2364 } @$src;
2365
2366 my $dbmeta = db_get cache => "$id/meta";
2367 if ($dbmeta ne $meta) {
2368 # changed, we may need to process
2369
2370 my @data;
2371 my $md5;
2372
2373 for (0 .. $#$src) {
2374 0 <= aio_load $src->[$_], $data[$_]
2375 or Carp::croak "$src->[$_]: $!";
2376 }
2377
2378 # if processing is expensive, check
2379 # checksum first
2380 if (1) {
2381 $md5 =
2382 join "\x00",
2383 $processversion,
2384 map {
2385 Coro::cede;
2386 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2387 } 0.. $#$src;
2388
2389
2390 my $dbmd5 = db_get cache => "$id/md5";
2391 if ($dbmd5 eq $md5) {
2392 db_put cache => "$id/meta", $meta;
2393
2394 return db_get cache => "$id/data";
2395 }
2396 }
2397
2398 my $t1 = Time::HiRes::time;
2399 my $data = $process->(\@data);
2400 my $t2 = Time::HiRes::time;
2401
2402 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404 db_put cache => "$id/data", $data;
2405 db_put cache => "$id/md5" , $md5;
2406 db_put cache => "$id/meta", $meta;
2407
2408 return $data;
2409 }
2410
2411 db_get cache => "$id/data"
2412}
2413
2414=item fork_call { }, $args
2415
2416Executes the given code block with the given arguments in a seperate
2417process, returning the results. Everything must be serialisable with
2418Coro::Storable. May, of course, block. Note that the executed sub may
2419never block itself or use any form of Event handling.
2420
2421=cut
2422
2423sub fork_call(&@) {
2424 my ($cb, @args) = @_;
2425
2426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427# or die "socketpair: $!";
2428 pipe my $fh1, my $fh2
2429 or die "pipe: $!";
2430
2431 if (my $pid = fork) {
2432 close $fh2;
2433
2434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435 $res = Coro::Storable::thaw $res;
2436
2437 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439 die $$res unless "ARRAY" eq ref $res;
2440
2441 return wantarray ? @$res : $res->[-1];
2442 } else {
2443 reset_signals;
2444 local $SIG{__WARN__};
2445 local $SIG{__DIE__};
2446 eval {
2447 close $fh1;
2448
2449 my @res = eval { $cb->(@args) };
2450 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451 };
2452
2453 warn $@ if $@;
2454 _exit 0;
2455 }
2456}
2457
2458
2459
2460#############################################################################
2461# the server's init and main functions 3215# the server's init and main functions
2462 3216
2463sub load_facedata($) { 3217sub load_facedata($) {
2464 my ($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;
2465 3225
2466 warn "loading facedata from $path\n"; 3226 warn "loading facedata from $path\n";
2467 3227
2468 my $facedata; 3228 my $facedata;
2469 0 < aio_load $path, $facedata 3229 0 < aio_load $path, $facedata
2472 $facedata = Coro::Storable::thaw $facedata; 3232 $facedata = Coro::Storable::thaw $facedata;
2473 3233
2474 $facedata->{version} == 2 3234 $facedata->{version} == 2
2475 or cf::cleanup "$path: version mismatch, cannot proceed."; 3235 or cf::cleanup "$path: version mismatch, cannot proceed.";
2476 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
2477 { 3244 {
2478 my $faces = $facedata->{faceinfo}; 3245 my $faces = $facedata->{faceinfo};
2479 3246
2480 while (my ($face, $info) = each %$faces) { 3247 while (my ($face, $info) = each %$faces) {
2481 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3248 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249
2482 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3250 cf::face::set_visibility $idx, $info->{visibility};
3251 cf::face::set_magicmap $idx, $info->{magicmap};
2483 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3252 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3253 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485 Coro::cede; 3254
3255 cf::cede_to_tick;
2486 } 3256 }
2487 3257
2488 while (my ($face, $info) = each %$faces) { 3258 while (my ($face, $info) = each %$faces) {
2489 next unless $info->{smooth}; 3259 next unless $info->{smooth};
3260
2490 my $idx = cf::face::find $face 3261 my $idx = cf::face::find $face
2491 or next; 3262 or next;
3263
2492 if (my $smooth = cf::face::find $info->{smooth}) { 3264 if (my $smooth = cf::face::find $info->{smooth}) {
3265 cf::face::set_smooth $idx, $smooth;
2493 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3266 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494 } else { 3267 } else {
2495 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3268 warn "smooth face '$info->{smooth}' not found for face '$face'";
2496 } 3269 }
2497 Coro::cede; 3270
3271 cf::cede_to_tick;
2498 } 3272 }
2499 } 3273 }
2500 3274
2501 { 3275 {
2502 my $anims = $facedata->{animinfo}; 3276 my $anims = $facedata->{animinfo};
2503 3277
2504 while (my ($anim, $info) = each %$anims) { 3278 while (my ($anim, $info) = each %$anims) {
2505 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3279 cf::anim::set $anim, $info->{frames}, $info->{facings};
2506 Coro::cede; 3280 cf::cede_to_tick;
2507 } 3281 }
2508 3282
2509 cf::anim::invalidate_all; # d'oh 3283 cf::anim::invalidate_all; # d'oh
2510 } 3284 }
2511 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
2512 1 3321 1
2513} 3322}
2514 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 $status
3360}
3361
2515sub reload_regions { 3362sub reload_regions {
3363 # HACK to clear player env face cache, we need some signal framework
3364 # for this (global event?)
3365 %ext::player_env::MUSIC_FACE_CACHE = ();
3366
2516 load_resource_file "$MAPDIR/regions" 3367 load_resource_file "$MAPDIR/regions"
2517 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 $_->{match};
3373 }
2518} 3374}
2519 3375
2520sub reload_facedata { 3376sub reload_facedata {
2521 load_facedata "$DATADIR/facedata" 3377 load_facedata "$DATADIR/facedata"
2522 or die "unable to load facedata\n"; 3378 or die "unable to load facedata\n";
2533} 3389}
2534 3390
2535sub reload_resources { 3391sub reload_resources {
2536 warn "reloading resource files...\n"; 3392 warn "reloading resource files...\n";
2537 3393
2538 reload_regions;
2539 reload_facedata; 3394 reload_facedata;
2540 reload_archetypes; 3395 reload_archetypes;
3396 reload_regions;
2541 reload_treasures; 3397 reload_treasures;
2542 3398
2543 warn "finished reloading resource files\n"; 3399 warn "finished reloading resource files\n";
2544} 3400}
2545 3401
2546sub init { 3402sub init {
3403 my $guard = freeze_mainloop;
3404
3405 evthread_start IO::AIO::poll_fileno;
3406
2547 reload_resources; 3407 reload_resources;
2548} 3408}
2549 3409
2550sub cfg_load { 3410sub reload_config {
2551 open my $fh, "<:utf8", "$CONFDIR/config" 3411 open my $fh, "<:utf8", "$CONFDIR/config"
2552 or return; 3412 or return;
2553 3413
2554 local $/; 3414 local $/;
2555 *CFG = YAML::Syck::Load <$fh>; 3415 *CFG = YAML::Load <$fh>;
2556 3416
2557 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3417 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558 3418
2559 $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};
2560 $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};
2571sub main { 3431sub main {
2572 # we must not ever block the main coroutine 3432 # we must not ever block the main coroutine
2573 local $Coro::idle = sub { 3433 local $Coro::idle = sub {
2574 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#
2575 (async { 3435 (async {
2576 Event::one_event; 3436 $Coro::current->{desc} = "IDLE BUG HANDLER";
3437 EV::loop EV::LOOP_ONESHOT;
2577 })->prio (Coro::PRIO_MAX); 3438 })->prio (Coro::PRIO_MAX);
2578 }; 3439 };
2579 3440
2580 cfg_load; 3441 {
3442 my $guard = freeze_mainloop;
3443 reload_config;
2581 db_init; 3444 db_init;
2582 load_extensions; 3445 load_extensions;
2583 3446
2584 $TICK_WATCHER->start; 3447 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3448 }
3449
2585 Event::loop; 3450 EV::loop;
2586} 3451}
2587 3452
2588############################################################################# 3453#############################################################################
2589# initialisation and cleanup 3454# initialisation and cleanup
2590 3455
2591# install some emergency cleanup handlers 3456# install some emergency cleanup handlers
2592BEGIN { 3457BEGIN {
3458 our %SIGWATCHER = ();
2593 for my $signal (qw(INT HUP TERM)) { 3459 for my $signal (qw(INT HUP TERM)) {
2594 Event->signal ( 3460 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2595 reentrant => 0,
2596 data => WF_AUTOCANCEL,
2597 signal => $signal,
2598 prio => 0,
2599 cb => sub {
2600 cf::cleanup "SIG$signal"; 3461 cf::cleanup "SIG$signal";
2601 },
2602 ); 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
2603 } 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 };
2604} 3545}
2605 3546
2606sub emergency_save() { 3547sub emergency_save() {
2607 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
2608 3549
2614 # and maps saved/destroyed asynchronously. 3555 # and maps saved/destroyed asynchronously.
2615 warn "begin emergency player save\n"; 3556 warn "begin emergency player save\n";
2616 for my $login (keys %cf::PLAYER) { 3557 for my $login (keys %cf::PLAYER) {
2617 my $pl = $cf::PLAYER{$login} or next; 3558 my $pl = $cf::PLAYER{$login} or next;
2618 $pl->valid or next; 3559 $pl->valid or next;
3560 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619 $pl->save; 3561 $pl->save;
2620 } 3562 }
2621 warn "end emergency player save\n"; 3563 warn "end emergency player save\n";
2622 3564
2623 warn "begin emergency map save\n"; 3565 warn "begin emergency map save\n";
2629 warn "end emergency map save\n"; 3571 warn "end emergency map save\n";
2630 3572
2631 warn "begin emergency database checkpoint\n"; 3573 warn "begin emergency database checkpoint\n";
2632 BDB::db_env_txn_checkpoint $DB_ENV; 3574 BDB::db_env_txn_checkpoint $DB_ENV;
2633 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";
2634 }; 3580 };
2635 3581
2636 warn "leave emergency perl save\n"; 3582 warn "leave emergency perl save\n";
2637} 3583}
2638 3584
2653 warn "reloading..."; 3599 warn "reloading...";
2654 3600
2655 warn "entering sync_job"; 3601 warn "entering sync_job";
2656 3602
2657 cf::sync_job { 3603 cf::sync_job {
2658 cf::write_runtime; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
2659 cf::emergency_save; 3605 cf::emergency_save;
2660 cf::write_runtime; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
2661 3607
2662 warn "syncing database to disk"; 3608 warn "syncing database to disk";
2663 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
2664 3610
2665 # 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
2666
2667 warn "cancelling all WF_AUTOCANCEL watchers";
2668 for (Event::all_watchers) {
2669 $_->cancel if $_->data & WF_AUTOCANCEL;
2670 }
2671 3612
2672 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
2673 for (;;) { 3614 for (;;) {
2674 BDB::flush; 3615 BDB::flush;
2675 IO::AIO::flush; 3616 IO::AIO::flush;
2676 Coro::cede; 3617 Coro::cede_notself;
2677 last unless IO::AIO::nreqs || BDB::nreqs; 3618 last unless IO::AIO::nreqs || BDB::nreqs;
2678 warn "iterate..."; 3619 warn "iterate...";
2679 } 3620 }
2680 3621
2681 ++$RELOAD; 3622 ++$RELOAD;
2685 %EXT_CORO = (); 3626 %EXT_CORO = ();
2686 3627
2687 warn "removing commands"; 3628 warn "removing commands";
2688 %COMMAND = (); 3629 %COMMAND = ();
2689 3630
2690 warn "removing ext commands"; 3631 warn "removing ext/exti commands";
2691 %EXTCMD = (); 3632 %EXTCMD = ();
3633 %EXTICMD = ();
2692 3634
2693 warn "unloading/nuking all extensions"; 3635 warn "unloading/nuking all extensions";
2694 for my $pkg (@EXTS) { 3636 for my $pkg (@EXTS) {
2695 warn "... unloading $pkg"; 3637 warn "... unloading $pkg";
2696 3638
2739 warn "reloading cf.pm"; 3681 warn "reloading cf.pm";
2740 require cf; 3682 require cf;
2741 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3683 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742 3684
2743 warn "loading config and database again"; 3685 warn "loading config and database again";
2744 cf::cfg_load; 3686 cf::reload_config;
2745 3687
2746 warn "loading extensions"; 3688 warn "loading extensions";
2747 cf::load_extensions; 3689 cf::load_extensions;
2748 3690
2749 warn "reattaching attachments to objects/players"; 3691 warn "reattaching attachments to objects/players";
2756 warn "leaving sync_job"; 3698 warn "leaving sync_job";
2757 3699
2758 1 3700 1
2759 } or do { 3701 } or do {
2760 warn $@; 3702 warn $@;
2761 warn "error while reloading, exiting."; 3703 cf::cleanup "error while reloading, exiting.";
2762 exit 1;
2763 }; 3704 };
2764 3705
2765 warn "reloaded"; 3706 warn "reloaded";
2766}; 3707};
2767 3708
2769 3710
2770sub reload_perl() { 3711sub reload_perl() {
2771 # doing reload synchronously and two reloads happen back-to-back, 3712 # doing reload synchronously and two reloads happen back-to-back,
2772 # coro crashes during coro_state_free->destroy here. 3713 # coro crashes during coro_state_free->destroy here.
2773 3714
2774 $RELOAD_WATCHER ||= Event->timer ( 3715 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775 reentrant => 0,
2776 after => 0,
2777 data => WF_AUTOCANCEL,
2778 cb => sub {
2779 do_reload_perl; 3716 do_reload_perl;
2780 undef $RELOAD_WATCHER; 3717 undef $RELOAD_WATCHER;
2781 },
2782 ); 3718 };
2783} 3719}
2784 3720
2785register_command "reload" => sub { 3721register_command "reload" => sub {
2786 my ($who, $arg) = @_; 3722 my ($who, $arg) = @_;
2787 3723
2788 if ($who->flag (FLAG_WIZ)) { 3724 if ($who->flag (FLAG_WIZ)) {
2789 $who->message ("reloading server."); 3725 $who->message ("reloading server.");
3726 async {
3727 $Coro::current->{desc} = "perl_reload";
2790 async { reload_perl }; 3728 reload_perl;
3729 };
2791 } 3730 }
2792}; 3731};
2793 3732
2794unshift @INC, $LIBDIR; 3733unshift @INC, $LIBDIR;
2795 3734
2797 3736
2798our @WAIT_FOR_TICK; 3737our @WAIT_FOR_TICK;
2799our @WAIT_FOR_TICK_BEGIN; 3738our @WAIT_FOR_TICK_BEGIN;
2800 3739
2801sub wait_for_tick { 3740sub wait_for_tick {
2802 return unless $TICK_WATCHER->is_active;
2803 return if $Coro::current == $Coro::main; 3741 return if tick_inhibit || $Coro::current == $Coro::main;
2804 3742
2805 my $signal = new Coro::Signal; 3743 my $signal = new Coro::Signal;
2806 push @WAIT_FOR_TICK, $signal; 3744 push @WAIT_FOR_TICK, $signal;
2807 $signal->wait; 3745 $signal->wait;
2808} 3746}
2809 3747
2810sub wait_for_tick_begin { 3748sub wait_for_tick_begin {
2811 return unless $TICK_WATCHER->is_active;
2812 return if $Coro::current == $Coro::main; 3749 return if tick_inhibit || $Coro::current == $Coro::main;
2813 3750
2814 my $signal = new Coro::Signal; 3751 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal; 3752 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait; 3753 $signal->wait;
2817} 3754}
2818 3755
2819$TICK_WATCHER = Event->timer ( 3756sub tick {
2820 reentrant => 0,
2821 parked => 1,
2822 prio => 0,
2823 at => $NEXT_TICK || $TICK,
2824 data => WF_AUTOCANCEL,
2825 cb => sub {
2826 if ($Coro::current != $Coro::main) { 3757 if ($Coro::current != $Coro::main) {
2827 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"
2828 unless ++$bug_warning > 10; 3759 unless ++$bug_warning > 10;
2829 return; 3760 return;
2830 } 3761 }
2831 3762
2832 $NOW = Event::time;
2833
2834 cf::server_tick; # one server iteration 3763 cf::server_tick; # one server iteration
2835 3764
2836 $RUNTIME += $TICK;
2837 $NEXT_TICK += $TICK;
2838
2839 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3765 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840 $NEXT_RUNTIME_WRITE = $NOW + 10; 3766 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841 Coro::async_pool { 3767 Coro::async_pool {
3768 $Coro::current->{desc} = "runtime saver";
2842 write_runtime 3769 write_runtime_sync
2843 or warn "ERROR: unable to write runtime file: $!"; 3770 or warn "ERROR: unable to write runtime file: $!";
2844 };
2845 } 3771 };
3772 }
2846 3773
2847# my $AFTER = Event::time;
2848# warn $AFTER - $NOW;#d#
2849
2850 # if we are delayed by four ticks or more, skip them all
2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853 $TICK_WATCHER->at ($NEXT_TICK);
2854 $TICK_WATCHER->start;
2855
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3774 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857 $sig->send; 3775 $sig->send;
2858 } 3776 }
2859 while (my $sig = shift @WAIT_FOR_TICK) { 3777 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send; 3778 $sig->send;
2861 }
2862
2863 _post_tick;
2864 }, 3779 }
2865); 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}
2866 3792
2867{ 3793{
2868 BDB::max_poll_time $TICK * 0.1; 3794 # configure BDB
2869 $BDB_POLL_WATCHER = Event->io ( 3795
2870 reentrant => 0,
2871 fd => BDB::poll_fileno,
2872 poll => 'r',
2873 prio => 0,
2874 data => WF_AUTOCANCEL,
2875 cb => \&BDB::poll_cb,
2876 );
2877 BDB::min_parallel 8; 3796 BDB::min_parallel 8;
2878 3797 BDB::max_poll_reqs $TICK * 0.1;
2879 BDB::set_sync_prepare { 3798 $AnyEvent::BDB::WATCHER->priority (1);
2880 my $status;
2881 my $current = $Coro::current;
2882 (
2883 sub {
2884 $status = $!;
2885 $current->ready; undef $current;
2886 },
2887 sub {
2888 Coro::schedule while defined $current;
2889 $! = $status;
2890 },
2891 )
2892 };
2893 3799
2894 unless ($DB_ENV) { 3800 unless ($DB_ENV) {
2895 $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);
2896 3807
2897 cf::sync_job { 3808 cf::sync_job {
2898 eval { 3809 eval {
2899 BDB::db_env_open 3810 BDB::db_env_open
2900 $DB_ENV, 3811 $DB_ENV,
2902 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
2903 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3814 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904 0666; 3815 0666;
2905 3816
2906 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3817 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909 $DB_ENV->set_lk_detect;
2910 }; 3818 };
2911 3819
2912 cf::cleanup "db_env_open(db): $@" if $@; 3820 cf::cleanup "db_env_open(db): $@" if $@;
2913 }; 3821 };
2914 } 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 };
2915} 3833}
2916 3834
2917{ 3835{
3836 # configure IO::AIO
3837
2918 IO::AIO::min_parallel 8; 3838 IO::AIO::min_parallel 8;
2919
2920 undef $Coro::AIO::WATCHER;
2921 IO::AIO::max_poll_time $TICK * 0.1; 3839 IO::AIO::max_poll_time $TICK * 0.1;
2922 $AIO_POLL_WATCHER = Event->io ( 3840 undef $AnyEvent::AIO::WATCHER;
2923 reentrant => 0,
2924 data => WF_AUTOCANCEL,
2925 fd => IO::AIO::poll_fileno,
2926 poll => 'r',
2927 prio => 6,
2928 cb => \&IO::AIO::poll_cb,
2929 );
2930} 3841}
2931 3842
2932my $_log_backtrace; 3843my $_log_backtrace;
2933 3844
2934sub _log_backtrace { 3845sub _log_backtrace {
2938 3849
2939 # limit the # of concurrent backtraces 3850 # limit the # of concurrent backtraces
2940 if ($_log_backtrace < 2) { 3851 if ($_log_backtrace < 2) {
2941 ++$_log_backtrace; 3852 ++$_log_backtrace;
2942 async { 3853 async {
3854 $Coro::current->{desc} = "abt $msg";
3855
2943 my @bt = fork_call { 3856 my @bt = fork_call {
2944 @addr = map { sprintf "%x", $_ } @addr; 3857 @addr = map { sprintf "%x", $_ } @addr;
2945 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3858 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946 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 |"
2947 or die "addr2line: $!"; 3860 or die "addr2line: $!";

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