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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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;
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;
61
62IO::AIO::max_poll_reqs 1;#d#
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 69
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 71
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 73
49our %COMMAND = (); 74our %COMMAND = ();
50our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
51 76
52our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
56 82
57our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
58our @EVENT; 84our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 92our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 95our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
71 98
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 99our $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 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 101our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
79 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 107our $DB_ENV;
82 108
83our %CFG; 109our %CFG;
84 110
85our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 112our $RUNTIME;
113our $NOW;
87 114
88our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
91 118
92# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
94 126
95binmode STDOUT; 127binmode STDOUT;
96binmode STDERR; 128binmode STDERR;
97 129
98# read virtual server time, if available 130# read virtual server time, if available
139 171
140=item $cf::TICK 172=item $cf::TICK
141 173
142The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
143 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
144=item %cf::CFG 186=item %cf::CFG
145 187
146Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 189from wherever your confdir points to.
148 190
149=item cf::wait_for_tick, cf::wait_for_tick_begin 191=item cf::wait_for_tick, cf::wait_for_tick_begin
150 192
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 193These 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 194returns 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. 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
202
155=back 203=back
156 204
157=cut 205=cut
158 206
159BEGIN { 207BEGIN {
163 $msg .= "\n" 211 $msg .= "\n"
164 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
165 213
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 215
168 utf8::encode $msg;
169 LOG llevError, $msg; 216 LOG llevError, $msg;
170 }; 217 };
171} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
172 234
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 242
180# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 244# within the Safe compartment.
182for my $pkg (qw( 245for my $pkg (qw(
183 cf::global cf::attachable 246 cf::global cf::attachable
188)) { 251)) {
189 no strict 'refs'; 252 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 254}
192 255
193$Event::DIED = sub { 256$EV::DIED = sub {
194 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
195}; 258};
259
260#############################################################################
196 261
197=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
198 263
199=over 4 264=over 4
200 265
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 285 $d
221 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
222} 287}
223 288
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
227 290
228Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
229 292
230=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
231 294
232Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
296
297=cut
298
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300
301sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) }
233 303
234=item cf::lock_wait $string 304=item cf::lock_wait $string
235 305
236Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
237 307
240Wait until the given lock is available and then acquires it and returns 310Wait 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, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
243returned. 313returned.
244 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
245Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
247 320
248=item $locked = cf::lock_active $string 321=item $locked = cf::lock_active $string
249 322
250Return true if the lock is currently active, i.e. somebody has locked it. 323Return true if the lock is currently active, i.e. somebody has locked it.
251 324
252=cut 325=cut
253 326
254our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
255 329
256sub lock_wait($) { 330sub lock_wait($) {
257 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
258 337
259 # wait for lock, if any 338 # wait for lock, if any
260 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 341 Coro::schedule;
268 347
269 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
270 lock_wait $key; 349 lock_wait $key;
271 350
272 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
273 353
274 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
277 } 358 }
278} 359}
279 360
282 363
283 ! ! $LOCK{$key} 364 ! ! $LOCK{$key}
284} 365}
285 366
286sub freeze_mainloop { 367sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
288 369
289 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
291 }; 431 }
292 $TICK_WATCHER->stop; 432};
293 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
294} 446}
295 447
296=item cf::async { BLOCK } 448=item cf::async { BLOCK }
297 449
298Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
303 455
304BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
305 457
306=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
307 459
308The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
311 464
312If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
315fast or be very important. 468fast or be very important.
318 471
319sub sync_job(&) { 472sub sync_job(&) {
320 my ($job) = @_; 473 my ($job) = @_;
321 474
322 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
323 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
325 480
326 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 482
328 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
329 484
330 my $busy = 1; 485 my $busy = 1;
331 my @res; 486 my @res;
332 487
333 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 490 @res = eval { $job->() };
335 warn $@ if $@; 491 warn $@ if $@;
336 undef $busy; 492 undef $busy;
337 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
338 494
339 while ($busy) { 495 while ($busy) {
340 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
341 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
342 506
343 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
344 } else { 508 } else {
345 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
346 510
366 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
367 531
368 $coro 532 $coro
369} 533}
370 534
371sub write_runtime { 535=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 536
374 my $runtime = "$LOCALDIR/runtime"; 537Executes the given code block with the given arguments in a seperate
538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
375 541
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542=cut
377 or return;
378 543
379 my $value = $cf::RUNTIME + 90 + 10; 544sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 545 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 546
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 547 # we seemingly have to make a local copy of the whole thing,
384 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
385 550
386 # always fsync - this file is important 551 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 552 reset_signals;
388 and return; 553 &$cb
554 }, @args;
389 555
390 close $fh 556 wantarray ? @res : $res[-1]
391 or return; 557}
392 558
393 aio_rename "$runtime~", $runtime 559=item $coin = coin_from_name $name
394 and return;
395 560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
396 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
397} 711}
398 712
399=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
400 714
401Log a datalog packet of the given type with the given key-value pairs. 715Log a datalog packet of the given type with the given key-value pairs.
419attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
421 735
422In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 738Deliantra).
425 739
426=over 4 740=over 4
427 741
428=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
429 743
592 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
593 907
594 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 912
599 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 914 my $pkg = shift @arg;
601 915
602 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
632 } 946 }
633 947
634 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
635 } else { 949 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 951 }
638 952
639 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
640} 954}
641 955
643 if (ref $_[0]) { 957 if (ref $_[0]) {
644 _object_attach @_; 958 _object_attach @_;
645 } else { 959 } else {
646 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
647 } 961 }
962 _recalc_want;
648}; 963};
649 964
650# all those should be optimised 965# all those should be optimised
651sub cf::attachable::detach { 966sub cf::attachable::detach {
652 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
656 reattach ($obj); 971 reattach ($obj);
657 } else { 972 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
659 } 974 }
975 _recalc_want;
660}; 976};
661 977
662sub cf::attachable::attached { 978sub cf::attachable::attached {
663 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
664 980
679 "; 995 ";
680 die if $@; 996 die if $@;
681} 997}
682 998
683our $override; 999our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 1001
686sub override { 1002sub override {
687 $override = 1; 1003 $override = 1;
688 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
689} 1005}
690 1006
691sub do_invoke { 1007sub do_invoke {
692 my $event = shift; 1008 my $event = shift;
693 my $callbacks = shift; 1009 my $callbacks = shift;
694 1010
695 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
696 1012
697 local $override; 1013 local $override;
698 1014
699 for (@$callbacks) { 1015 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
709 } 1025 }
710 1026
711 0 1027 0
712} 1028}
713 1029
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1031
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1033
718Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
719 1035
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1039
724=back 1040=back
725 1041
726=cut 1042=cut
727 1043
728############################################################################# 1044#############################################################################
729# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
730 1088
731sub reattach { 1089sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1091 my ($obj) = @_;
734 1092
755cf::attachable->attach ( 1113cf::attachable->attach (
756 prio => -1000000, 1114 prio => -1000000,
757 on_instantiate => sub { 1115 on_instantiate => sub {
758 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
759 1117
760 $data = from_json $data; 1118 $data = decode_json $data;
761 1119
762 for (@$data) { 1120 for (@$data) {
763 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
764 1122
765 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1139sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
783 1141
784 sync_job { 1142 sync_job {
785 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
788 1147
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1151 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1152 aio_close $fh;
794 1153
795 if (@$objs) { 1154 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1160 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
803 } 1162 }
804 } else { 1163 } else {
805 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
806 } 1165 }
811 } 1170 }
812 } else { 1171 } else {
813 aio_unlink $filename; 1172 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
815 } 1174 }
816 } 1175 };
817} 1176}
818 1177
819sub object_freezer_as_string { 1178sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
821 1180
833 or return; 1192 or return;
834 1193
835 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
837 or return; 1196 or return;
1197
838 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
839 } 1200 }
840 1201
1202 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
843 return ($data, $av); 1206 ($data, $av)
844} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
845 1214
846############################################################################# 1215#############################################################################
847# command handling &c 1216# command handling &c
848 1217
849=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1232}
864 1233
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1235
867Register a callbackf ro execution when the client sends an extcmd packet. 1236Register a callback for execution when the client sends an (synchronous)
1237extcmd packet. Ext commands will be processed in the order they are
1238received by the server, like other user commands. The first argument is
1239the logged-in player. Ext commands can only be processed after a player
1240has logged in successfully.
868 1241
869If the callback returns something, it is sent back as if reply was being 1242If the callback returns something, it is sent back as if reply was being
870called. 1243called.
871 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
872=cut 1256=cut
873 1257
874sub register_extcmd { 1258sub register_extcmd {
875 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
876 1260
877 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
878} 1268}
879 1269
880cf::player->attach ( 1270cf::player->attach (
881 on_command => sub { 1271 on_command => sub {
882 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
891 cf::override; 1281 cf::override;
892 }, 1282 },
893 on_extcmd => sub { 1283 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
895 1285
896 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1287
898 if (ref $msg) { 1288 if (ref $msg) {
1289 my ($type, $reply, @payload) =
1290 "ARRAY" eq ref $msg
1291 ? @$msg
1292 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293
1294 my @reply;
1295
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
904 } else { 1303 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1305 }
907 1306
908 cf::override; 1307 cf::override;
909 }, 1308 },
910); 1309);
911 1310
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
947 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1316 next unless -r $path;
949 eval { 1317
950 load_extension $ext; 1318 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1319 my $base = $1;
1320 my $pkg = $1;
1321 $pkg =~ s/[^[:word:]]/_/g;
1322 $pkg = "ext::$pkg";
1323
1324 open my $fh, "<:utf8", $path
1325 or die "$path: $!";
1326
1327 my $source = do { local $/; <$fh> };
1328
1329 my %ext = (
1330 path => $path,
1331 base => $base,
1332 pkg => $pkg,
1333 );
1334
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337
1338 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n"
1341 . $source
1342 . "\n};\n1";
1343
1344 $todo{$base} = \%ext;
1345 }
1346
1347 my %done;
1348 while (%todo) {
1349 my $progress;
1350
1351 while (my ($k, $v) = each %todo) {
1352 for (split /,\s*/, $v->{meta}{depends}) {
1353 goto skip
1354 unless exists $done{$_};
1355 }
1356
1357 warn "... loading '$k' into '$v->{pkg}'\n";
1358
1359 unless (eval $v->{source}) {
1360 my $msg = $@ ? "$v->{path}: $@\n"
1361 : "$v->{base}: extension inactive.\n";
1362
1363 if (exists $v->{meta}{mandatory}) {
1364 warn $msg;
1365 cf::cleanup "mandatory extension failed to load, exiting.";
1366 }
1367
1368 warn $msg;
1369 }
1370
1371 $done{$k} = delete $todo{$k};
1372 push @EXTS, $v->{pkg};
1373 $progress = 1;
951 1 1374 }
952 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
953 } 1380 };
954} 1381}
955 1382
956############################################################################# 1383#############################################################################
957 1384
1385=back
1386
958=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
959 1388
960Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
961 1390
962=cut 1391=cut
966use Coro::AIO; 1395use Coro::AIO;
967 1396
968=head3 cf::player 1397=head3 cf::player
969 1398
970=over 4 1399=over 4
1400
1401=item cf::player::num_playing
1402
1403Returns the official number of playing players, as per the Crossfire metaserver rules.
1404
1405=cut
1406
1407sub num_playing {
1408 scalar grep
1409 $_->ob->map
1410 && !$_->hidden
1411 && !$_->ob->flag (cf::FLAG_WIZ),
1412 cf::player::list
1413}
971 1414
972=item cf::player::find $login 1415=item cf::player::find $login
973 1416
974Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
975 1418
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1454 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1455 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1456 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1457 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1458
1016 my $pl = load_pl path $login 1459 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1460 or return;
1461
1462 my $pl = cf::player::load_pl $f
1463 or return;
1464
1465 local $cf::PLAYER_LOADING{$login} = $pl;
1466 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
1019 } 1468 }
1020 } 1469 }
1021} 1470}
1022 1471
1031 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
1032 1481
1033 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
1035 1484
1485 cf::get_slot 0.01;
1486
1036 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
1037 Coro::cede; 1488 cf::cede_to_tick;
1038} 1489}
1039 1490
1040sub new($) { 1491sub new($) {
1041 my ($login) = @_; 1492 my ($login) = @_;
1042 1493
1048 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1049 1500
1050 $self 1501 $self
1051} 1502}
1052 1503
1504=item $player->send_msg ($channel, $msg, $color, [extra...])
1505
1506=cut
1507
1508sub send_msg {
1509 my $ns = shift->ns
1510 or return;
1511 $ns->send_msg (@_);
1512}
1513
1053=item $pl->quit_character 1514=item $pl->quit_character
1054 1515
1055Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1057 1518
1065 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1527 $pl->password ("*"); # this should lock out the player until we nuked the dir
1067 1528
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1072 1535
1073 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1110 or return []; 1573 or return [];
1111 1574
1112 my @logins; 1575 my @logins;
1113 1576
1114 for my $login (@$dirs) { 1577 for my $login (@$dirs) {
1578 my $path = path $login;
1579
1580 # a .pst is a dead give-away for a valid player
1581 # if no pst file found, open and chekc for blocked users
1582 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1118 1587
1119 utf8::decode $login; 1588 utf8::decode $login;
1120 push @logins, $login; 1589 push @logins, $login;
1121 } 1590 }
1122 1591
1149 } 1618 }
1150 1619
1151 \@paths 1620 \@paths
1152} 1621}
1153 1622
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1624
1625Expand crossfire pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715
1154=item $player->ext_reply ($msgid, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1155 1717
1156Sends an ext reply to the player. 1718Sends an ext reply to the player.
1157 1719
1158=cut 1720=cut
1159 1721
1160sub ext_reply($$%) { 1722sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1162 1724
1163 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1726}
1167 1727
1168=item $player->ext_event ($type, %msg) 1728=item $player->ext_msg ($type, @msg)
1169 1729
1170Sends an ext event to the client. 1730Sends an ext event to the client.
1171 1731
1172=cut 1732=cut
1173 1733
1174sub ext_event($$%) { 1734sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1735 my ($self, $type, @msg) = @_;
1176 1736
1177 $self->ns->ext_event ($type, %msg); 1737 $self->ns->ext_msg ($type, @msg);
1178} 1738}
1179 1739
1180=head3 cf::region 1740=head3 cf::region
1181 1741
1182=over 4 1742=over 4
1185 1745
1186package cf::region; 1746package cf::region;
1187 1747
1188=item cf::region::find_by_path $path 1748=item cf::region::find_by_path $path
1189 1749
1190Tries to decuce the probable region for a map knowing only its path. 1750Tries to decuce the likely region for a map knowing only its path.
1191 1751
1192=cut 1752=cut
1193 1753
1194sub find_by_path($) { 1754sub find_by_path($) {
1195 my ($path) = @_; 1755 my ($path) = @_;
1196 1756
1197 my ($match, $specificity); 1757 my ($match, $specificity);
1198 1758
1199 for my $region (list) { 1759 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1760 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1761 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1762 if $region->specificity > $specificity;
1203 } 1763 }
1204 } 1764 }
1205 1765
1226our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1228 1788
1229sub generate_random_map { 1789sub generate_random_map {
1230 my ($self, $rmp) = @_; 1790 my ($self, $rmp) = @_;
1791
1792 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793
1231 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1795 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1269 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1270 1833
1271 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1272 local $self->{path}; 1835 local $self->{path};
1273 local $self->{load_path}; 1836 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1837
1277 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1278} 1839}
1279 1840
1280sub normalise { 1841sub normalise {
1327 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1328 return $self; 1889 return $self;
1329 } 1890 }
1330 } 1891 }
1331 1892
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1894 ()
1334} 1895}
1335 1896
1336sub init { 1897sub init {
1337 my ($self) = @_; 1898 my ($self) = @_;
1359 1920
1360# the temporary/swap location 1921# the temporary/swap location
1361sub save_path { 1922sub save_path {
1362 my ($self) = @_; 1923 my ($self) = @_;
1363 1924
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1926 "$TMPDIR/$path.map"
1366} 1927}
1367 1928
1368# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1369sub uniq_path { 1930sub uniq_path {
1370 my ($self) = @_; 1931 my ($self) = @_;
1371 1932
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1934 "$UNIQUEDIR/$path"
1374} 1935}
1375 1936
1376# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1377# all maps in C++... 1938# all maps in C++...
1380 1941
1381 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1383} 1944}
1384 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1385sub unlink_save { 1954sub unlink_save {
1386 my ($self) = @_; 1955 my ($self) = @_;
1387 1956
1388 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1961
1393sub load_header_from($) { 1962sub load_header_from($) {
1394 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1395 1964
1396 utf8::encode $path; 1965 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1967 or return;
1968
1969 $self->_load_header ($f)
1970 or return;
1971
1972 local $MAP_LOADING{$self->{path}} = $self;
1973 $f->resolve_delayed_derefs;
1402 1974
1403 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1404 1976
1405 1 1977 1
1406} 1978}
1445 $self->load_header_orig 2017 $self->load_header_orig
1446 or return; 2018 or return;
1447 $self->prepare_orig; 2019 $self->prepare_orig;
1448 } 2020 }
1449 2021
2022 $self->{deny_reset} = 1
2023 if $self->no_reset;
2024
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2025 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2026 unless $self->default_region;
1452 2027
1453 1 2028 1
1454} 2029}
1457sub find { 2032sub find {
1458 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1459 2034
1460 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1461 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1463 2039
1464 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1466 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1467 or return; 2045 or return;
1468 2046
1469 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1470 2048
1471 $map->load_header 2049 $map->load_header
1472 or return; 2050 or return;
1473 2051
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1477 $map->reset; 2057 $map->reset;
1478 undef $guard;
1479 return find $path; 2058 return find $path;
1480 } 2059 }
1481 2060
1482 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1483 } 2062 }
1490 my ($self) = @_; 2069 my ($self) = @_;
1491 2070
1492 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1493 2072
1494 my $path = $self->{path}; 2073 my $path = $self->{path};
2074
2075 {
1495 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1496 2077
2078 return unless $self->valid;
1497 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1498 2080
1499 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1500 2082
1501 $self->alloc; 2083 $self->alloc;
1502 2084
1503 $self->pre_load; 2085 $self->pre_load;
1504 Coro::cede; 2086 cf::cede_to_tick;
1505 2087
1506 $self->_load_objects ($self->{load_path}, 1) 2088 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block;
2090 $self->_load_objects ($f)
1507 or return; 2091 or return;
1508 2092
1509 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1511 2095
1512 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1513 utf8::encode $uniq; 2097 utf8::encode $uniq;
1514 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1515 $self->clear_unique_items; 2100 $self->clear_unique_items;
1516 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1517 } 2104 }
1518 } 2105 }
1519 2106
1520 Coro::cede; 2107 $f->resolve_delayed_derefs;
2108
2109 cf::cede_to_tick;
1521 # now do the right thing for maps 2110 # now do the right thing for maps
1522 $self->link_multipart_objects; 2111 $self->link_multipart_objects;
1523 Coro::cede;
1524
1525 unless ($self->{deny_activate}) {
1526 $self->decay_objects;
1527 $self->fix_auto_apply;
1528 $self->update_buttons;
1529 Coro::cede;
1530 $self->set_darkness_map;
1531 $self->difficulty ($self->estimate_difficulty) 2112 $self->difficulty ($self->estimate_difficulty)
1532 unless $self->difficulty; 2113 unless $self->difficulty;
1533 Coro::cede; 2114 cf::cede_to_tick;
2115
2116 unless ($self->{deny_activate}) {
2117 $self->decay_objects;
2118 $self->fix_auto_apply;
2119 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick;
1534 $self->activate; 2123 $self->activate;
1535 Coro::cede; 2124 }
2125
2126 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME);
2128
2129 $self->in_memory (cf::MAP_ACTIVE);
1536 } 2130 }
1537 2131
1538 $self->post_load; 2132 $self->post_load;
1539 Coro::cede;
1540
1541 $self->in_memory (cf::MAP_IN_MEMORY);
1542} 2133}
1543 2134
1544sub customise_for { 2135sub customise_for {
1545 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1546 2137
1547 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1548 if $self->per_player; 2139 if $self->per_player;
1549 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1550 $self 2144 $self
1551} 2145}
1552 2146
1553# find and load all maps in the 3x3 area around a map 2147# find and load all maps in the 3x3 area around a map
1554sub load_diag { 2148sub load_neighbours {
1555 my ($map) = @_; 2149 my ($map) = @_;
1556 2150
1557 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1558 2152
1559 for (0 .. 3) { 2153 for (0 .. 3) {
1560 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1561 or next; 2155 or next;
1562 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1563 or next; 2157 or next;
1564 $neigh->load; 2158 $neigh->load;
1565 2159
2160 push @neigh,
1566 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1567 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1568 } 2163 }
1569 2164
1570 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1571 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1572 or next; 2168 or next;
1573 $neigh->load; 2169 $neigh->load;
1574 } 2170 }
1575} 2171}
1576 2172
1581} 2177}
1582 2178
1583sub do_load_sync { 2179sub do_load_sync {
1584 my ($map) = @_; 2180 my ($map) = @_;
1585 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1586 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1587} 2186}
1588 2187
1589our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1590our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1591 2190
1592sub find_async { 2191sub find_async {
1593 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1594 2193
1595 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1596 2195
1597 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1598 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599 } 2198 }
1600 2199
1601 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1602 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1603 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1604 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1605 my $map = find $path 2207 if (my $map = find $k) {
1606 or next;
1607 $map->load; 2208 $map->load if $v;
2209 }
1608 2210
1609 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1610 } 2212 }
1611 } 2213 }
1612 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1613 }; 2215 };
1614 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1617} 2219}
1618 2220
1619sub save { 2221sub save {
1620 my ($self) = @_; 2222 my ($self) = @_;
1621 2223
1622 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1623 2225
1624 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1625 2227
1626 return unless $self->dirty; 2228 return unless $self->dirty;
1627 2229
1633 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1634 2236
1635 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1636 2238
1637 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1638 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1639 }; 2242 };
2243
2244 cf::get_slot 0.02;
1640 2245
1641 if ($uniq) { 2246 if ($uniq) {
1642 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1644 } else { 2249 } else {
1650 my ($self) = @_; 2255 my ($self) = @_;
1651 2256
1652 # save first because save cedes 2257 # save first because save cedes
1653 $self->save; 2258 $self->save;
1654 2259
1655 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1656 2261
1657 return if $self->players; 2262 return if $self->players;
1658 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1659 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1660 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1661 $self->clear; 2270 $self->clear;
1662 $self->in_memory (cf::MAP_SWAPPED);
1663} 2271}
1664 2272
1665sub reset_at { 2273sub reset_at {
1666 my ($self) = @_; 2274 my ($self) = @_;
1667 2275
1668 # TODO: safety, remove and allow resettable per-player maps 2276 # TODO: safety, remove and allow resettable per-player maps
1669 return 1e99 if $self->isa ("ext::map_per_player");#d#
1670 return 1e99 if $self->{deny_reset}; 2277 return 1e99 if $self->{deny_reset};
1671 2278
1672 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2280 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674 2281
1685 my ($self) = @_; 2292 my ($self) = @_;
1686 2293
1687 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1688 2295
1689 return if $self->players; 2296 return if $self->players;
1690 return if $self->isa ("ext::map_per_player");#d#
1691 2297
1692 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
1693 2299
1694 $self->in_memory (cf::MAP_SWAPPED); 2300 $self->in_memory (cf::MAP_SWAPPED);
1695 2301
1696 # need to save uniques path 2302 # need to save uniques path
1697 unless ($self->{deny_save}) { 2303 unless ($self->{deny_save}) {
1701 if $uniq; 2307 if $uniq;
1702 } 2308 }
1703 2309
1704 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1705 2311
2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1706 $self->clear; 2314 $self->clear;
1707
1708 $_->clear_links_to ($self) for values %cf::MAP;
1709 2315
1710 $self->unlink_save; 2316 $self->unlink_save;
1711 $self->destroy; 2317 $self->destroy;
1712} 2318}
1713 2319
1714my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1715 2321
1716sub nuke { 2322sub nuke {
1717 my ($self) = @_; 2323 my ($self) = @_;
1718 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1719 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1720 2329
1721 $self->unlink_save; 2330 $self->unlink_save;
1722 2331
1723 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1724 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1725 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1726 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1727 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728 2337
1729 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1730 2340
1731 $self->reset; # polite request, might not happen 2341 $self->reset; # polite request, might not happen
2342}
2343
2344=item $maps = cf::map::tmp_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347maps. May block.
2348
2349=cut
2350
2351sub tmp_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise $_
2357 : ()
2358 } @{ aio_readdir $TMPDIR or [] }
2359 ]
2360}
2361
2362=item $maps = cf::map::random_maps
2363
2364Returns an arrayref with all map paths of currently instantiated and saved
2365random maps. May block.
2366
2367=cut
2368
2369sub random_maps() {
2370 [
2371 map {
2372 utf8::decode $_;
2373 /\.map$/
2374 ? normalise "?random/$_"
2375 : ()
2376 } @{ aio_readdir $RANDOMDIR or [] }
2377 ]
1732} 2378}
1733 2379
1734=item cf::map::unique_maps 2380=item cf::map::unique_maps
1735 2381
1736Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1737instantiated unique items. May block. 2383instantiated unique items. May block.
1738 2384
1739=cut 2385=cut
1740 2386
1741sub unique_maps() { 2387sub unique_maps() {
1742 my $files = aio_readdir $UNIQUEDIR 2388 [
1743 or return; 2389 map {
1744
1745 my @paths;
1746
1747 for (@$files) {
1748 utf8::decode $_; 2390 utf8::decode $_;
1749 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1750 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751 2393 ? ()
1752 push @paths, cf::map::normalise $_; 2394 : normalise $_
2395 } @{ aio_readdir $UNIQUEDIR or [] }
1753 } 2396 ]
1754
1755 \@paths
1756} 2397}
1757
1758package cf;
1759 2398
1760=back 2399=back
1761 2400
1762=head3 cf::object 2401=head3 cf::object
1763 2402
1767 2406
1768=over 4 2407=over 4
1769 2408
1770=item $ob->inv_recursive 2409=item $ob->inv_recursive
1771 2410
1772Returns the inventory of the object _and_ their inventories, recursively. 2411Returns the inventory of the object I<and> their inventories, recursively,
2412but I<not> the object itself.
1773 2413
1774=cut 2414=cut
1775 2415
1776sub inv_recursive_; 2416sub inv_recursive_;
1777sub inv_recursive_ { 2417sub inv_recursive_ {
1780 2420
1781sub inv_recursive { 2421sub inv_recursive {
1782 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1783} 2423}
1784 2424
2425=item $ref = $ob->ref
2426
2427Creates and returns a persistent reference to an object that can be stored as a string.
2428
2429=item $ob = cf::object::deref ($refstring)
2430
2431returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2432even if the object actually exists. May block.
2433
2434=cut
2435
2436sub deref {
2437 my ($ref) = @_;
2438
2439 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2440 my ($uuid, $name) = ($1, $2);
2441 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2442 or return;
2443 $pl->ob->uuid eq $uuid
2444 or return;
2445
2446 $pl->ob
2447 } else {
2448 warn "$ref: cannot resolve object reference\n";
2449 undef
2450 }
2451}
2452
1785package cf; 2453package cf;
1786 2454
1787=back 2455=back
1788 2456
1789=head3 cf::object::player 2457=head3 cf::object::player
1795Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2463Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796can be C<undef>. Does the right thing when the player is currently in a 2464can be C<undef>. Does the right thing when the player is currently in a
1797dialogue with the given NPC character. 2465dialogue with the given NPC character.
1798 2466
1799=cut 2467=cut
2468
2469our $SAY_CHANNEL = {
2470 id => "say",
2471 title => "Map",
2472 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2474};
2475
2476our $CHAT_CHANNEL = {
2477 id => "chat",
2478 title => "Chat",
2479 reply => "chat ",
2480 tooltip => "Player chat and shouts, global to the server.",
2481};
1800 2482
1801# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1802# with dialog boxes. 2484# with dialog boxes.
1803#TODO: the first argument must go, split into a $npc->reply_to ( method 2485#TODO: the first argument must go, split into a $npc->reply_to ( method
1804sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1806 2488
1807 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808 2490
1809 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1810 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1811 } else { 2494 } else {
2495 my $pl = $self->contr;
2496
2497 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2498 my $dialog = $pl->{npc_dialog};
2499 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2500
2501 } else {
1812 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1813 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1814 } 2505 }
2506}
2507
2508=item $object->send_msg ($channel, $msg, $color, [extra...])
2509
2510=cut
2511
2512sub cf::object::send_msg {
2513 my $pl = shift->contr
2514 or return;
2515 $pl->send_msg (@_);
1815} 2516}
1816 2517
1817=item $player_object->may ("access") 2518=item $player_object->may ("access")
1818 2519
1819Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1866 $self->deactivate_recursive; 2567 $self->deactivate_recursive;
1867 2568
1868 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2569 return if UNIVERSAL::isa $self->map, "ext::map_link";
1869 2570
1870 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2571 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871 if $self->map; 2572 if $self->map && $self->map->{path} ne "{link}";
1872 2573
1873 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2574 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1874} 2575}
1875 2576
1876sub cf::object::player::leave_link { 2577sub cf::object::player::leave_link {
1877 my ($self, $map, $x, $y) = @_; 2578 my ($self, $map, $x, $y) = @_;
2579
2580 return unless $self->contr->active;
1878 2581
1879 my $link_pos = delete $self->{_link_pos}; 2582 my $link_pos = delete $self->{_link_pos};
1880 2583
1881 unless ($map) { 2584 unless ($map) {
1882 # restore original map position 2585 # restore original map position
1896 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1897 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1898 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1899 2602
1900 $map->load; 2603 $map->load;
1901 $map->load_diag; 2604 $map->load_neighbours;
1902 2605
1903 return unless $self->contr->active; 2606 return unless $self->contr->active;
1904 $self->activate_recursive; 2607 $self->activate_recursive;
1905 2608
1906 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1908} 2611}
1909 2612
1910cf::player->attach ( 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911 on_logout => sub {
1912 my ($pl) = @_;
1913 2614
1914 # abort map switching before logout 2615Moves the player to the given map-path and coordinates by first freezing
1915 if ($pl->ob->{_link_pos}) { 2616her, loading and preparing them map, calling the provided $check callback
1916 cf::sync_job { 2617that has to return the map if sucecssful, and then unfreezes the player on
1917 $pl->ob->leave_link 2618the new (success) or old (failed) map position. In either case, $done will
1918 }; 2619be called at the end of this process.
1919 }
1920 },
1921 on_login => sub {
1922 my ($pl) = @_;
1923 2620
1924 # try to abort aborted map switching on player login :)
1925 # should happen only on crashes
1926 if ($pl->ob->{_link_pos}) {
1927 $pl->ob->enter_link;
1928 (async {
1929 $pl->ob->reply (undef,
1930 "There was an internal problem at your last logout, "
1931 . "the server will try to bring you to your intended destination in a second.",
1932 cf::NDI_RED);
1933 # we need this sleep as the login has a concurrent enter_exit running
1934 # and this sleep increases chances of the player not ending up in scorn
1935 Coro::Timer::sleep 1;
1936 $pl->ob->leave_link;
1937 })->prio (2);
1938 }
1939 },
1940);
1941
1942=item $player_object->goto ($path, $x, $y)
1943
1944=cut 2621=cut
2622
2623our $GOTOGEN;
1945 2624
1946sub cf::object::player::goto { 2625sub cf::object::player::goto {
1947 my ($self, $path, $x, $y) = @_; 2626 my ($self, $path, $x, $y, $check, $done) = @_;
2627
2628 # do generation counting so two concurrent goto's will be executed in-order
2629 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948 2630
1949 $self->enter_link; 2631 $self->enter_link;
1950 2632
1951 (async { 2633 (async {
2634 $Coro::current->{desc} = "player::goto $path $x $y";
2635
2636 # *tag paths override both path and x|y
2637 if ($path =~ /^\*(.*)$/) {
2638 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2639 my $ob = $obs[rand @obs];
2640
2641 # see if we actually can go there
2642 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2643 $ob = $obs[rand @obs];
2644 } else {
2645 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647 # else put us there anyways for now #d#
2648
2649 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2650 } else {
2651 ($path, $x, $y) = (undef, undef, undef);
2652 }
2653 }
2654
1952 my $map = eval { 2655 my $map = eval {
1953 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
2657
2658 if ($map) {
1954 $map = $map->customise_for ($self) if $map; 2659 $map = $map->customise_for ($self);
2660 $map = $check->($map) if $check && $map;
2661 } else {
2662 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663 }
2664
1955 $map 2665 $map
2666 };
2667
2668 if ($@) {
2669 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2670 LOG llevError | logBacktrace, Carp::longmess $@;
1956 } or 2671 }
1957 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958 2672
2673 if ($gen == $self->{_goto_generation}) {
2674 delete $self->{_goto_generation};
1959 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
2676 }
2677
2678 $done->() if $done;
1960 })->prio (1); 2679 })->prio (1);
1961} 2680}
1962 2681
1963=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1964 2683
1984} 2703}
1985 2704
1986sub prepare_random_map { 2705sub prepare_random_map {
1987 my ($exit) = @_; 2706 my ($exit) = @_;
1988 2707
1989 my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
1992 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
1993 # that depends on the exit object 2710 # that depends on the exit object
1994 2711
1995 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
1997 if ($exit->map) { 2714 if ($exit->map) {
1998 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
1999 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
2000 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
2001 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
2002 } 2721 }
2003 2722
2004 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
2005 2724
2006 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
2008 my $meta = "$RANDOMDIR/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
2009 2728
2010 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
2012 undef $fh; 2731 undef $fh;
2013 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
2014 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
2015 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
2016 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
2017 } 2740 }
2018} 2741}
2019 2742
2020sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
2021 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
2022 2745
2023 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
2024 2747
2025 if ($exit->slaying eq "/!") {
2026 #TODO: this should de-fi-ni-te-ly not be a sync-job
2027 # the problem is that $exit might not survive long enough
2028 # so it needs to be done right now, right here
2029 cf::sync_job { prepare_random_map $exit };
2030 }
2031
2032 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033 my $hp = $exit->stats->hp;
2034 my $sp = $exit->stats->sp;
2035
2036 $self->enter_link; 2748 $self->enter_link;
2037 2749
2038 (async { 2750 (async {
2039 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
2040 unless (eval { 2753 unless (eval {
2754 $self->deactivate_recursive; # just to be sure
2755
2756 # random map handling
2757 {
2758 my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760 prepare_random_map $exit
2761 if $exit->slaying eq "/!";
2762 }
2763
2764 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2765 my $x = $exit->stats->hp;
2766 my $y = $exit->stats->sp;
2767
2041 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
2042 2769
2770 # if exit is damned, update players death & WoR home-position
2771 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED);
2773
2043 1; 2774 1
2044 }) { 2775 }) {
2045 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
2046 . "I'll try to bring you back to the map you were before. " 2777 . "I'll try to bring you back to the map you were before. "
2047 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
2048 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
2069 2800
2070 utf8::encode $text; 2801 utf8::encode $text;
2071 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072} 2803}
2073 2804
2805=item $client->send_msg ($channel, $msg, $color, [extra...])
2806
2807Send a drawinfo or msg packet to the client, formatting the msg for the
2808client if neccessary. C<$type> should be a string identifying the type of
2809the message, with C<log> being the default. If C<$color> is negative, suppress
2810the message unless the client supports the msg packet.
2811
2812=cut
2813
2814# non-persistent channels (usually the info channel)
2815our %CHANNEL = (
2816 "c/identify" => {
2817 id => "infobox",
2818 title => "Identify",
2819 reply => undef,
2820 tooltip => "Items recently identified",
2821 },
2822 "c/examine" => {
2823 id => "infobox",
2824 title => "Examine",
2825 reply => undef,
2826 tooltip => "Signs and other items you examined",
2827 },
2828 "c/book" => {
2829 id => "infobox",
2830 title => "Book",
2831 reply => undef,
2832 tooltip => "The contents of a note or book",
2833 },
2834 "c/lookat" => {
2835 id => "infobox",
2836 title => "Look",
2837 reply => undef,
2838 tooltip => "What you saw there",
2839 },
2840 "c/who" => {
2841 id => "infobox",
2842 title => "Players",
2843 reply => undef,
2844 tooltip => "Shows players who are currently online",
2845 },
2846 "c/body" => {
2847 id => "infobox",
2848 title => "Body Parts",
2849 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available",
2851 },
2852 "c/uptime" => {
2853 id => "infobox",
2854 title => "Uptime",
2855 reply => undef,
2856 tooltip => "How long the server has been running since last restart",
2857 },
2858 "c/mapinfo" => {
2859 id => "infobox",
2860 title => "Map Info",
2861 reply => undef,
2862 tooltip => "Information related to the maps",
2863 },
2864 "c/party" => {
2865 id => "party",
2866 title => "Party",
2867 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party",
2869 },
2870);
2871
2872sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_;
2874
2875 $msg = $self->pl->expand_cfpod ($msg);
2876
2877 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878
2879 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel};
2882
2883 $self->ext_msg (channel_info => $channel)
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id};
2887
2888 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel)
2893 if $self->can_msg;
2894 }
2895
2896 $channel = $channel->{id};
2897 }
2898
2899 return unless @extra || length $msg;
2900
2901 if ($self->can_msg) {
2902 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF;
2905
2906 $self->send_packet ("msg " . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2908 } else {
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919
2920 $color &= cf::NDI_COLOR_MASK;
2921
2922 utf8::encode $msg;
2923
2924 if (0 && $msg =~ /\[/) {
2925 # COMMAND/INFO
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 }
2933}
2934
2074=item $client->ext_event ($type, %msg) 2935=item $client->ext_msg ($type, @msg)
2075 2936
2076Sends an exti event to the client. 2937Sends an ext event to the client.
2077 2938
2078=cut 2939=cut
2079 2940
2080sub cf::client::ext_event($$%) { 2941sub cf::client::ext_msg($$@) {
2081 my ($self, $type, %msg) = @_; 2942 my ($self, $type, @msg) = @_;
2082 2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946 } elsif ($self->extcmd == 1) { # TODO: remove
2083 $msg{msgtype} = "event_$type"; 2947 push @msg, msgtype => "event_$type";
2084 $self->send_packet ("ext " . cf::to_json \%msg); 2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2950}
2951
2952=item $client->ext_reply ($msgid, @msg)
2953
2954Sends an ext reply to the client.
2955
2956=cut
2957
2958sub cf::client::ext_reply($$@) {
2959 my ($self, $id, @msg) = @_;
2960
2961 if ($self->extcmd == 2) {
2962 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963 } elsif ($self->extcmd == 1) {
2964 #TODO: version 1, remove
2965 unshift @msg, msgtype => "reply", msgid => $id;
2966 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967 }
2085} 2968}
2086 2969
2087=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
2088 2971
2089Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
2090the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2973the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2974C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092 2975
2093Queries can fail, so check the return code. Or don't, as queries will become 2976Queries can fail, so check the return code. Or don't, as queries will
2094reliable at some point in the future. 2977become reliable at some point in the future.
2095 2978
2096=cut 2979=cut
2097 2980
2098sub cf::client::query { 2981sub cf::client::query {
2099 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
2107 utf8::encode $text; 2990 utf8::encode $text;
2108 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109 2992
2110 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
2111 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
2112} 2997}
2113 2998
2114cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
2115 on_reply => sub { 3005 on_reply => sub {
2116 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
2117 3007
2118 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
2119 # get handled first 3009 # get handled first
2131 } else { 3021 } else {
2132 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133 } 3023 }
2134 } 3024 }
2135 }, 3025 },
3026 on_exticmd => sub {
3027 my ($ns, $buf) = @_;
3028
3029 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030
3031 if (ref $msg) {
3032 my ($type, $reply, @payload) =
3033 "ARRAY" eq ref $msg
3034 ? @$msg
3035 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036
3037 my @reply;
3038
3039 if (my $cb = $EXTICMD{$type}) {
3040 @reply = $cb->($ns, @payload);
3041 }
3042
3043 $ns->ext_reply ($reply, @reply)
3044 if $reply;
3045
3046 } else {
3047 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048 }
3049
3050 cf::override;
3051 },
2136); 3052);
2137 3053
2138=item $client->async (\&cb) 3054=item $client->async (\&cb)
2139 3055
2140Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2181our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2182our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2183 3099
2184$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2185 3101
2186$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2187 3107
2188# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2189 3109
2190=pod 3110=pod
2191 3111
2192The following functions and methods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2193 3113
2194 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2195 cf::object::player player 3118 cf::object::player
2196 cf::player peaceful 3119 player
2197 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2198 3126
2199=cut 3127=cut
2200 3128
2201for ( 3129for (
2202 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2203 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2204 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2205 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2206) { 3136) {
2207 no strict 'refs'; 3137 no strict 'refs';
2278=back 3208=back
2279 3209
2280=cut 3210=cut
2281 3211
2282############################################################################# 3212#############################################################################
2283
2284=head2 EXTENSION DATABASE SUPPORT
2285
2286Crossfire maintains a very simple database for extension use. It can
2287currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288convert to/from binary).
2289
2290The parameter C<$family> should best start with the name of the extension
2291using it, it should be unique.
2292
2293=over 4
2294
2295=item $value = cf::db_get $family => $key
2296
2297Returns a single value from the database.
2298
2299=item cf::db_put $family => $key => $value
2300
2301Stores the given C<$value> in the family.
2302
2303=cut
2304
2305our $DB;
2306
2307sub db_init {
2308 unless ($DB) {
2309 $DB = BDB::db_create $DB_ENV;
2310
2311 cf::sync_job {
2312 eval {
2313 $DB->set_flags (BDB::CHKSUM);
2314
2315 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317 cf::cleanup "db_open(db): $!" if $!;
2318 };
2319 cf::cleanup "db_open(db): $@" if $@;
2320 };
2321 }
2322}
2323
2324sub db_get($$) {
2325 my $key = "$_[0]/$_[1]";
2326
2327 cf::sync_job {
2328 BDB::db_get $DB, undef, $key, my $data;
2329
2330 $! ? ()
2331 : $data
2332 }
2333}
2334
2335sub db_put($$$) {
2336 BDB::dbreq_pri 4;
2337 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338}
2339
2340=item cf::cache $id => [$paths...], $processversion => $process
2341
2342Generic caching function that returns the value of the resource $id,
2343caching and regenerating as required.
2344
2345This function can block.
2346
2347=cut
2348
2349sub cache {
2350 my ($id, $src, $processversion, $process) = @_;
2351
2352 my $meta =
2353 join "\x00",
2354 $processversion,
2355 map {
2356 aio_stat $_
2357 and Carp::croak "$_: $!";
2358
2359 ($_, (stat _)[7,9])
2360 } @$src;
2361
2362 my $dbmeta = db_get cache => "$id/meta";
2363 if ($dbmeta ne $meta) {
2364 # changed, we may need to process
2365
2366 my @data;
2367 my $md5;
2368
2369 for (0 .. $#$src) {
2370 0 <= aio_load $src->[$_], $data[$_]
2371 or Carp::croak "$src->[$_]: $!";
2372 }
2373
2374 # if processing is expensive, check
2375 # checksum first
2376 if (1) {
2377 $md5 =
2378 join "\x00",
2379 $processversion,
2380 map {
2381 Coro::cede;
2382 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2383 } 0.. $#$src;
2384
2385
2386 my $dbmd5 = db_get cache => "$id/md5";
2387 if ($dbmd5 eq $md5) {
2388 db_put cache => "$id/meta", $meta;
2389
2390 return db_get cache => "$id/data";
2391 }
2392 }
2393
2394 my $t1 = Time::HiRes::time;
2395 my $data = $process->(\@data);
2396 my $t2 = Time::HiRes::time;
2397
2398 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400 db_put cache => "$id/data", $data;
2401 db_put cache => "$id/md5" , $md5;
2402 db_put cache => "$id/meta", $meta;
2403
2404 return $data;
2405 }
2406
2407 db_get cache => "$id/data"
2408}
2409
2410=item fork_call { }, $args
2411
2412Executes the given code block with the given arguments in a seperate
2413process, returning the results. Everything must be serialisable with
2414Coro::Storable. May, of course, block. Note that the executed sub may
2415never block itself or use any form of Event handling.
2416
2417=cut
2418
2419sub fork_call(&@) {
2420 my ($cb, @args) = @_;
2421
2422# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423# or die "socketpair: $!";
2424 pipe my $fh1, my $fh2
2425 or die "pipe: $!";
2426
2427 if (my $pid = fork) {
2428 close $fh2;
2429
2430 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431 $res = Coro::Storable::thaw $res;
2432
2433 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435 die $$res unless "ARRAY" eq ref $res;
2436
2437 return wantarray ? @$res : $res->[-1];
2438 } else {
2439 local $SIG{__WARN__};
2440 eval {
2441 local $SIG{__DIE__};
2442 close $fh1;
2443
2444 my @res = eval { $cb->(@args) };
2445 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446 };
2447
2448 warn $@ if $@;
2449 _exit 0;
2450 }
2451}
2452
2453
2454
2455#############################################################################
2456# the server's init and main functions 3213# the server's init and main functions
2457 3214
2458sub load_facedata($) { 3215sub load_facedata($) {
2459 my ($path) = @_; 3216 my ($path) = @_;
3217
3218 # HACK to clear player env face cache, we need some signal framework
3219 # for this (global event?)
3220 %ext::player_env::MUSIC_FACE_CACHE = ();
3221
3222 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460 3223
2461 warn "loading facedata from $path\n"; 3224 warn "loading facedata from $path\n";
2462 3225
2463 my $facedata; 3226 my $facedata;
2464 0 < aio_load $path, $facedata 3227 0 < aio_load $path, $facedata
2467 $facedata = Coro::Storable::thaw $facedata; 3230 $facedata = Coro::Storable::thaw $facedata;
2468 3231
2469 $facedata->{version} == 2 3232 $facedata->{version} == 2
2470 or cf::cleanup "$path: version mismatch, cannot proceed."; 3233 or cf::cleanup "$path: version mismatch, cannot proceed.";
2471 3234
3235 # patch in the exptable
3236 $facedata->{resource}{"res/exp_table"} = {
3237 type => FT_RSRC,
3238 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3239 };
3240 cf::cede_to_tick;
3241
2472 { 3242 {
2473 my $faces = $facedata->{faceinfo}; 3243 my $faces = $facedata->{faceinfo};
2474 3244
2475 while (my ($face, $info) = each %$faces) { 3245 while (my ($face, $info) = each %$faces) {
2476 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247
2477 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3248 cf::face::set_visibility $idx, $info->{visibility};
3249 cf::face::set_magicmap $idx, $info->{magicmap};
2478 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3251 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480 Coro::cede; 3252
3253 cf::cede_to_tick;
2481 } 3254 }
2482 3255
2483 while (my ($face, $info) = each %$faces) { 3256 while (my ($face, $info) = each %$faces) {
2484 next unless $info->{smooth}; 3257 next unless $info->{smooth};
3258
2485 my $idx = cf::face::find $face 3259 my $idx = cf::face::find $face
2486 or next; 3260 or next;
3261
2487 if (my $smooth = cf::face::find $info->{smooth}) { 3262 if (my $smooth = cf::face::find $info->{smooth}) {
3263 cf::face::set_smooth $idx, $smooth;
2488 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3264 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489 } else { 3265 } else {
2490 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3266 warn "smooth face '$info->{smooth}' not found for face '$face'";
2491 } 3267 }
2492 Coro::cede; 3268
3269 cf::cede_to_tick;
2493 } 3270 }
2494 } 3271 }
2495 3272
2496 { 3273 {
2497 my $anims = $facedata->{animinfo}; 3274 my $anims = $facedata->{animinfo};
2498 3275
2499 while (my ($anim, $info) = each %$anims) { 3276 while (my ($anim, $info) = each %$anims) {
2500 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3277 cf::anim::set $anim, $info->{frames}, $info->{facings};
2501 Coro::cede; 3278 cf::cede_to_tick;
2502 } 3279 }
2503 3280
2504 cf::anim::invalidate_all; # d'oh 3281 cf::anim::invalidate_all; # d'oh
2505 } 3282 }
2506 3283
3284 {
3285 # TODO: for gcfclient pleasure, we should give resources
3286 # that gcfclient doesn't grok a >10000 face index.
3287 my $res = $facedata->{resource};
3288
3289 while (my ($name, $info) = each %$res) {
3290 if (defined $info->{type}) {
3291 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292 my $data;
3293
3294 if ($info->{type} & 1) {
3295 # prepend meta info
3296
3297 my $meta = $enc->encode ({
3298 name => $name,
3299 %{ $info->{meta} || {} },
3300 });
3301
3302 $data = pack "(w/a*)*", $meta, $info->{data};
3303 } else {
3304 $data = $info->{data};
3305 }
3306
3307 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308 cf::face::set_type $idx, $info->{type};
3309 } else {
3310 $RESOURCE{$name} = $info;
3311 }
3312
3313 cf::cede_to_tick;
3314 }
3315 }
3316
3317 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318
2507 1 3319 1
2508} 3320}
2509 3321
3322cf::global->attach (on_resource_update => sub {
3323 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327 my $sound = $soundconf->{compat}[$_]
3328 or next;
3329
3330 my $face = cf::face::find "sound/$sound->[1]";
3331 cf::sound::set $sound->[0] => $face;
3332 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333 }
3334
3335 while (my ($k, $v) = each %{$soundconf->{event}}) {
3336 my $face = cf::face::find "sound/$v";
3337 cf::sound::set $k => $face;
3338 }
3339 }
3340});
3341
3342register_exticmd fx_want => sub {
3343 my ($ns, $want) = @_;
3344
3345 while (my ($k, $v) = each %$want) {
3346 $ns->fx_want ($k, $v);
3347 }
3348};
3349
3350sub load_resource_file($) {
3351 my $guard = lock_acquire "load_resource_file";
3352
3353 my $status = load_resource_file_ $_[0];
3354 get_slot 0.1, 100;
3355 cf::arch::commit_load;
3356
3357 $status
3358}
3359
2510sub reload_regions { 3360sub reload_regions {
3361 # HACK to clear player env face cache, we need some signal framework
3362 # for this (global event?)
3363 %ext::player_env::MUSIC_FACE_CACHE = ();
3364
2511 load_resource_file "$MAPDIR/regions" 3365 load_resource_file "$MAPDIR/regions"
2512 or die "unable to load regions file\n"; 3366 or die "unable to load regions file\n";
3367
3368 for (cf::region::list) {
3369 $_->{match} = qr/$_->{match}/
3370 if exists $_->{match};
3371 }
2513} 3372}
2514 3373
2515sub reload_facedata { 3374sub reload_facedata {
2516 load_facedata "$DATADIR/facedata" 3375 load_facedata "$DATADIR/facedata"
2517 or die "unable to load facedata\n"; 3376 or die "unable to load facedata\n";
2528} 3387}
2529 3388
2530sub reload_resources { 3389sub reload_resources {
2531 warn "reloading resource files...\n"; 3390 warn "reloading resource files...\n";
2532 3391
2533 reload_regions;
2534 reload_facedata; 3392 reload_facedata;
2535 reload_archetypes; 3393 reload_archetypes;
3394 reload_regions;
2536 reload_treasures; 3395 reload_treasures;
2537 3396
2538 warn "finished reloading resource files\n"; 3397 warn "finished reloading resource files\n";
2539} 3398}
2540 3399
2541sub init { 3400sub init {
3401 my $guard = freeze_mainloop;
3402
2542 reload_resources; 3403 reload_resources;
2543} 3404}
2544 3405
2545sub cfg_load { 3406sub reload_config {
2546 open my $fh, "<:utf8", "$CONFDIR/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2547 or return; 3408 or return;
2548 3409
2549 local $/; 3410 local $/;
2550 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2551 3412
2552 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2553 3414
2554 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2566sub main { 3427sub main {
2567 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2568 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2569 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570 (async { 3431 (async {
2571 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2572 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2573 }; 3435 };
2574 3436
2575 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2576 db_init; 3440 db_init;
2577 load_extensions; 3441 load_extensions;
2578 3442
2579 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2580 Event::loop; 3446 EV::loop;
2581} 3447}
2582 3448
2583############################################################################# 3449#############################################################################
2584# initialisation and cleanup 3450# initialisation and cleanup
2585 3451
2586# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2587BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2588 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2589 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2590 reentrant => 0,
2591 data => WF_AUTOCANCEL,
2592 signal => $signal,
2593 prio => 0,
2594 cb => sub {
2595 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2596 },
2597 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2598 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2599} 3541}
2600 3542
2601sub emergency_save() { 3543sub emergency_save() {
2602 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2603 3545
2609 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2610 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2611 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2612 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2613 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614 $pl->save; 3557 $pl->save;
2615 } 3558 }
2616 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2617 3560
2618 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2624 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2625 3568
2626 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2627 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2628 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2629 }; 3576 };
2630 3577
2631 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2632} 3579}
2633 3580
2648 warn "reloading..."; 3595 warn "reloading...";
2649 3596
2650 warn "entering sync_job"; 3597 warn "entering sync_job";
2651 3598
2652 cf::sync_job { 3599 cf::sync_job {
2653 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2654 cf::emergency_save; 3601 cf::emergency_save;
2655 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2656 3603
2657 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2659 3606
2660 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2661
2662 warn "cancelling all WF_AUTOCANCEL watchers";
2663 for (Event::all_watchers) {
2664 $_->cancel if $_->data & WF_AUTOCANCEL;
2665 }
2666 3608
2667 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2668 for (;;) { 3610 for (;;) {
2669 BDB::flush; 3611 BDB::flush;
2670 IO::AIO::flush; 3612 IO::AIO::flush;
2671 Coro::cede; 3613 Coro::cede_notself;
2672 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2673 warn "iterate..."; 3615 warn "iterate...";
2674 } 3616 }
2675 3617
2676 ++$RELOAD; 3618 ++$RELOAD;
2680 %EXT_CORO = (); 3622 %EXT_CORO = ();
2681 3623
2682 warn "removing commands"; 3624 warn "removing commands";
2683 %COMMAND = (); 3625 %COMMAND = ();
2684 3626
2685 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2686 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2687 3630
2688 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2689 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2690 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2691 3634
2734 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2735 require cf; 3678 require cf;
2736 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737 3680
2738 warn "loading config and database again"; 3681 warn "loading config and database again";
2739 cf::cfg_load; 3682 cf::reload_config;
2740 3683
2741 warn "loading extensions"; 3684 warn "loading extensions";
2742 cf::load_extensions; 3685 cf::load_extensions;
2743 3686
2744 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2751 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2752 3695
2753 1 3696 1
2754 } or do { 3697 } or do {
2755 warn $@; 3698 warn $@;
2756 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2757 exit 1;
2758 }; 3700 };
2759 3701
2760 warn "reloaded"; 3702 warn "reloaded";
2761}; 3703};
2762 3704
2764 3706
2765sub reload_perl() { 3707sub reload_perl() {
2766 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
2767 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
2768 3710
2769 $RELOAD_WATCHER ||= Event->timer ( 3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770 reentrant => 0,
2771 after => 0,
2772 data => WF_AUTOCANCEL,
2773 cb => sub {
2774 do_reload_perl; 3712 do_reload_perl;
2775 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
2776 },
2777 ); 3714 };
2778} 3715}
2779 3716
2780register_command "reload" => sub { 3717register_command "reload" => sub {
2781 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2782 3719
2783 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2784 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
3722 async {
3723 $Coro::current->{desc} = "perl_reload";
2785 async { reload_perl }; 3724 reload_perl;
3725 };
2786 } 3726 }
2787}; 3727};
2788 3728
2789unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2790 3730
2792 3732
2793our @WAIT_FOR_TICK; 3733our @WAIT_FOR_TICK;
2794our @WAIT_FOR_TICK_BEGIN; 3734our @WAIT_FOR_TICK_BEGIN;
2795 3735
2796sub wait_for_tick { 3736sub wait_for_tick {
2797 return unless $TICK_WATCHER->is_active;
2798 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2799 3738
2800 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
2801 push @WAIT_FOR_TICK, $signal; 3740 push @WAIT_FOR_TICK, $signal;
2802 $signal->wait; 3741 $signal->wait;
2803} 3742}
2804 3743
2805sub wait_for_tick_begin { 3744sub wait_for_tick_begin {
2806 return unless $TICK_WATCHER->is_active;
2807 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2808 3746
2809 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2810 push @WAIT_FOR_TICK_BEGIN, $signal; 3748 push @WAIT_FOR_TICK_BEGIN, $signal;
2811 $signal->wait; 3749 $signal->wait;
2812} 3750}
2813 3751
2814$TICK_WATCHER = Event->timer ( 3752sub tick {
2815 reentrant => 0,
2816 parked => 1,
2817 prio => 0,
2818 at => $NEXT_TICK || $TICK,
2819 data => WF_AUTOCANCEL,
2820 cb => sub {
2821 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2824 return; 3756 return;
2825 } 3757 }
2826 3758
2827 $NOW = Event::time;
2828
2829 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2830 3760
2831 $RUNTIME += $TICK;
2832 $NEXT_TICK += $TICK;
2833
2834 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835 $NEXT_RUNTIME_WRITE = $NOW + 10; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836 Coro::async_pool { 3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
2837 write_runtime 3765 write_runtime_sync
2838 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
2839 };
2840 } 3767 };
3768 }
2841 3769
2842# my $AFTER = Event::time;
2843# warn $AFTER - $NOW;#d#
2844
2845 # if we are delayed by four ticks or more, skip them all
2846 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848 $TICK_WATCHER->at ($NEXT_TICK);
2849 $TICK_WATCHER->start;
2850
2851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852 $sig->send; 3771 $sig->send;
2853 } 3772 }
2854 while (my $sig = shift @WAIT_FOR_TICK) { 3773 while (my $sig = shift @WAIT_FOR_TICK) {
2855 $sig->send; 3774 $sig->send;
2856 }
2857
2858 _post_tick;
2859 }, 3775 }
2860); 3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
2861 3788
2862{ 3789{
2863 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2864 $BDB_POLL_WATCHER = Event->io ( 3791
2865 reentrant => 0,
2866 fd => BDB::poll_fileno,
2867 poll => 'r',
2868 prio => 0,
2869 data => WF_AUTOCANCEL,
2870 cb => \&BDB::poll_cb,
2871 );
2872 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2873 3793 BDB::max_poll_reqs $TICK * 0.1;
2874 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2875 my $status;
2876 my $current = $Coro::current;
2877 (
2878 sub {
2879 $status = $!;
2880 $current->ready; undef $current;
2881 },
2882 sub {
2883 Coro::schedule while defined $current;
2884 $! = $status;
2885 },
2886 )
2887 };
2888 3795
2889 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2890 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891 3802
2892 cf::sync_job { 3803 cf::sync_job {
2893 eval { 3804 eval {
2894 BDB::db_env_open 3805 BDB::db_env_open
2895 $DB_ENV, 3806 $DB_ENV,
2897 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899 0666; 3810 0666;
2900 3811
2901 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904 $DB_ENV->set_lk_detect;
2905 }; 3813 };
2906 3814
2907 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2908 }; 3816 };
2909 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2910} 3828}
2911 3829
2912{ 3830{
3831 # configure IO::AIO
3832
2913 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2914
2915 undef $Coro::AIO::WATCHER;
2916 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2917 $AIO_POLL_WATCHER = Event->io ( 3835 #undef $AnyEvent::AIO::WATCHER;
2918 reentrant => 0, 3836}
2919 data => WF_AUTOCANCEL, 3837
2920 fd => IO::AIO::poll_fileno, 3838my $_log_backtrace;
2921 poll => 'r', 3839
2922 prio => 6, 3840sub _log_backtrace {
2923 cb => \&IO::AIO::poll_cb, 3841 my ($msg, @addr) = @_;
2924 ); 3842
3843 $msg =~ s/\n//;
3844
3845 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
3875 }
2925} 3876}
2926 3877
2927# load additional modules 3878# load additional modules
2928use cf::pod; 3879use cf::pod;
2929 3880
2930END { cf::emergency_save } 3881END { cf::emergency_save }
2931 3882
3883evthread_start IO::AIO::poll_fileno;
3884
29321 38851
2933 3886

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