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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::AnyEvent;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
22use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB 1.6;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
94 124
95binmode STDOUT; 125binmode STDOUT;
96binmode STDERR; 126binmode STDERR;
97 127
98# read virtual server time, if available 128# read virtual server time, if available
139 169
140=item $cf::TICK 170=item $cf::TICK
141 171
142The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
143 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
144=item %cf::CFG 184=item %cf::CFG
145 185
146Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 187from wherever your confdir points to.
148 188
149=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
150 190
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
155=back 201=back
156 202
157=cut 203=cut
158 204
159BEGIN { 205BEGIN {
163 $msg .= "\n" 209 $msg .= "\n"
164 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
165 211
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 213
168 utf8::encode $msg;
169 LOG llevError, $msg; 214 LOG llevError, $msg;
170 }; 215 };
171} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
172 232
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 240
180# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 242# within the Safe compartment.
182for my $pkg (qw( 243for my $pkg (qw(
183 cf::global cf::attachable 244 cf::global cf::attachable
188)) { 249)) {
189 no strict 'refs'; 250 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 252}
192 253
193$Event::DIED = sub { 254$EV::DIED = sub {
194 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
195}; 256};
257
258#############################################################################
196 259
197=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
198 261
199=over 4 262=over 4
200 263
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 283 $d
221 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
222} 285}
223 286
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
227 288
228Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
229 290
230=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
231 292
232Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
294
295=cut
296
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298
299sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) }
233 301
234=item cf::lock_wait $string 302=item cf::lock_wait $string
235 303
236Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
237 305
240Wait until the given lock is available and then acquires it and returns 308Wait 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, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
243returned. 311returned.
244 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
245Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
247 318
248=item $locked = cf::lock_active $string 319=item $locked = cf::lock_active $string
249 320
250Return true if the lock is currently active, i.e. somebody has locked it. 321Return true if the lock is currently active, i.e. somebody has locked it.
251 322
252=cut 323=cut
253 324
254our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
255 327
256sub lock_wait($) { 328sub lock_wait($) {
257 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
258 335
259 # wait for lock, if any 336 # wait for lock, if any
260 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 339 Coro::schedule;
268 345
269 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
270 lock_wait $key; 347 lock_wait $key;
271 348
272 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
273 351
274 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
277 } 356 }
278} 357}
279 358
282 361
283 ! ! $LOCK{$key} 362 ! ! $LOCK{$key}
284} 363}
285 364
286sub freeze_mainloop { 365sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
288 367
289 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
291 }; 429 }
292 $TICK_WATCHER->stop; 430};
293 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
294} 444}
295 445
296=item cf::async { BLOCK } 446=item cf::async { BLOCK }
297 447
298Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
303 453
304BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
305 455
306=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
307 457
308The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
311 462
312If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
315fast or be very important. 466fast or be very important.
318 469
319sub sync_job(&) { 470sub sync_job(&) {
320 my ($job) = @_; 471 my ($job) = @_;
321 472
322 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
474 my $time = EV::time;
475
323 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
325 478
326 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 480
328 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
329 482
330 my $busy = 1; 483 my $busy = 1;
331 my @res; 484 my @res;
332 485
333 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 488 @res = eval { $job->() };
335 warn $@ if $@; 489 warn $@ if $@;
336 undef $busy; 490 undef $busy;
337 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
338 492
339 while ($busy) { 493 while ($busy) {
340 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
341 } 498 }
499 }
500
501 my $time = EV::time - $time;
502
503 $TICK_START += $time; # do not account sync jobs to server load
342 504
343 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
344 } else { 506 } else {
345 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
346 508
366 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
367 529
368 $coro 530 $coro
369} 531}
370 532
371sub write_runtime { 533=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 534
374 my $runtime = "$LOCALDIR/runtime"; 535Executes the given code block with the given arguments in a seperate
536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
375 539
376 warn "starting to write runtime...\n";#d# 540=cut
377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378 or return;
379 541
380 my $value = $cf::RUNTIME + 90 + 10; 542sub fork_call(&@) {
381 # 10 is the runtime save interval, for a monotonic clock 543 my ($cb, @args) = @_;
382 # 60 allows for the watchdog to kill the server.
383 544
384 (aio_write $fh, 0, (length $value), $value, 0) <= 0 545 # we seemingly have to make a local copy of the whole thing,
385 and return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
386 548
387 # always fsync - this file is important 549 my @res = Coro::Util::fork_eval {
388 aio_fsync $fh 550 reset_signals;
389 and return; 551 &$cb
552 }, @args;
390 553
391 close $fh 554 wantarray ? @res : $res[-1]
392 or return; 555}
393 556
394 aio_rename "$runtime~", $runtime 557=item $coin = coin_from_name $name
395 and return;
396 558
397 warn "... done writing runtime.\n";#d# 559=cut
398 560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
399 1 633 }
634}
635
636sub db_put($$$) {
637 BDB::dbreq_pri 4;
638 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
639}
640
641=item cf::cache $id => [$paths...], $processversion => $process
642
643Generic caching function that returns the value of the resource $id,
644caching and regenerating as required.
645
646This function can block.
647
648=cut
649
650sub cache {
651 my ($id, $src, $processversion, $process) = @_;
652
653 my $meta =
654 join "\x00",
655 $processversion,
656 map {
657 aio_stat $_
658 and Carp::croak "$_: $!";
659
660 ($_, (stat _)[7,9])
661 } @$src;
662
663 my $dbmeta = db_get cache => "$id/meta";
664 if ($dbmeta ne $meta) {
665 # changed, we may need to process
666
667 my @data;
668 my $md5;
669
670 for (0 .. $#$src) {
671 0 <= aio_load $src->[$_], $data[$_]
672 or Carp::croak "$src->[$_]: $!";
673 }
674
675 # if processing is expensive, check
676 # checksum first
677 if (1) {
678 $md5 =
679 join "\x00",
680 $processversion,
681 map {
682 cf::cede_to_tick;
683 ($src->[$_], Digest::MD5::md5_hex $data[$_])
684 } 0.. $#$src;
685
686
687 my $dbmd5 = db_get cache => "$id/md5";
688 if ($dbmd5 eq $md5) {
689 db_put cache => "$id/meta", $meta;
690
691 return db_get cache => "$id/data";
692 }
693 }
694
695 my $t1 = Time::HiRes::time;
696 my $data = $process->(\@data);
697 my $t2 = Time::HiRes::time;
698
699 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
700
701 db_put cache => "$id/data", $data;
702 db_put cache => "$id/md5" , $md5;
703 db_put cache => "$id/meta", $meta;
704
705 return $data;
706 }
707
708 db_get cache => "$id/data"
400} 709}
401 710
402=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
403 712
404Log a datalog packet of the given type with the given key-value pairs. 713Log a datalog packet of the given type with the given key-value pairs.
422attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
423to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
424 733
425In the following description, CLASS can be any of C<global>, C<object> 734In the following description, CLASS can be any of C<global>, C<object>
426C<player>, C<client> or C<map> (i.e. the attachable objects in 735C<player>, C<client> or C<map> (i.e. the attachable objects in
427crossfire+). 736Deliantra).
428 737
429=over 4 738=over 4
430 739
431=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
432 741
595 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
596 905
597 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
598 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
599 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
600 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601 910
602 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
603 my $pkg = shift @arg; 912 my $pkg = shift @arg;
604 913
605 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
634 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
635 } 944 }
636 945
637 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
638 } else { 947 } else {
639 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
640 } 949 }
641 950
642 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
643} 952}
644 953
646 if (ref $_[0]) { 955 if (ref $_[0]) {
647 _object_attach @_; 956 _object_attach @_;
648 } else { 957 } else {
649 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
650 } 959 }
960 _recalc_want;
651}; 961};
652 962
653# all those should be optimised 963# all those should be optimised
654sub cf::attachable::detach { 964sub cf::attachable::detach {
655 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
658 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
659 reattach ($obj); 969 reattach ($obj);
660 } else { 970 } else {
661 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
662 } 972 }
973 _recalc_want;
663}; 974};
664 975
665sub cf::attachable::attached { 976sub cf::attachable::attached {
666 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
667 978
682 "; 993 ";
683 die if $@; 994 die if $@;
684} 995}
685 996
686our $override; 997our $override;
687our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 998our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
688 999
689sub override { 1000sub override {
690 $override = 1; 1001 $override = 1;
691 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
692} 1003}
693 1004
694sub do_invoke { 1005sub do_invoke {
695 my $event = shift; 1006 my $event = shift;
696 my $callbacks = shift; 1007 my $callbacks = shift;
697 1008
698 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
699 1010
700 local $override; 1011 local $override;
701 1012
702 for (@$callbacks) { 1013 for (@$callbacks) {
703 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
712 } 1023 }
713 1024
714 0 1025 0
715} 1026}
716 1027
717=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718 1029
719=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720 1031
721Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
722 1033
723This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1034This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
724removed in future versions), and there is no public API to access override 1035removed in future versions), and there is no public API to access override
725results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726 1037
727=back 1038=back
728 1039
729=cut 1040=cut
730 1041
731############################################################################# 1042#############################################################################
732# object support 1043# object support
1044
1045sub _object_equal($$);
1046sub _object_equal($$) {
1047 my ($a, $b) = @_;
1048
1049 return 0 unless (ref $a) eq (ref $b);
1050
1051 if ("HASH" eq ref $a) {
1052 my @ka = keys %$a;
1053 my @kb = keys %$b;
1054
1055 return 0 if @ka != @kb;
1056
1057 for (0 .. $#ka) {
1058 return 0 unless $ka[$_] eq $kb[$_];
1059 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1060 }
1061
1062 } elsif ("ARRAY" eq ref $a) {
1063
1064 return 0 if @$a != @$b;
1065
1066 for (0 .. $#$a) {
1067 return 0 unless _object_equal $a->[$_], $b->[$_];
1068 }
1069
1070 } elsif ($a ne $b) {
1071 return 0;
1072 }
1073
1074 1
1075}
1076
1077our $SLOW_MERGES;#d#
1078sub _can_merge {
1079 my ($ob1, $ob2) = @_;
1080
1081 ++$SLOW_MERGES;#d#
1082
1083 # we do the slow way here
1084 return _object_equal $ob1, $ob2
1085}
733 1086
734sub reattach { 1087sub reattach {
735 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
736 my ($obj) = @_; 1089 my ($obj) = @_;
737 1090
758cf::attachable->attach ( 1111cf::attachable->attach (
759 prio => -1000000, 1112 prio => -1000000,
760 on_instantiate => sub { 1113 on_instantiate => sub {
761 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
762 1115
763 $data = from_json $data; 1116 $data = decode_json $data;
764 1117
765 for (@$data) { 1118 for (@$data) {
766 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
767 1120
768 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
784sub object_freezer_save { 1137sub object_freezer_save {
785 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
786 1139
787 sync_job { 1140 sync_job {
788 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
789 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
790 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
791 1145
792 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
794 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
796 close $fh; 1150 aio_close $fh;
797 1151
798 if (@$objs) { 1152 if (@$objs) {
799 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
800 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
801 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
803 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
804 close $fh; 1158 aio_close $fh;
805 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
806 } 1160 }
807 } else { 1161 } else {
808 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
809 } 1163 }
814 } 1168 }
815 } else { 1169 } else {
816 aio_unlink $filename; 1170 aio_unlink $filename;
817 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
818 } 1172 }
819 } 1173 };
820} 1174}
821 1175
822sub object_freezer_as_string { 1176sub object_freezer_as_string {
823 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
824 1178
836 or return; 1190 or return;
837 1191
838 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
839 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
840 or return; 1194 or return;
1195
841 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
842 } 1198 }
843 1199
1200 utf8::decode (my $decname = $filename);
844 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
845 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
846 return ($data, $av); 1204 ($data, $av)
847} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
848 1212
849############################################################################# 1213#############################################################################
850# command handling &c 1214# command handling &c
851 1215
852=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
865 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
866} 1230}
867 1231
868=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
869 1233
870Register a callbackf ro execution when the client sends an extcmd packet. 1234Register a callback for execution when the client sends an (synchronous)
1235extcmd packet. Ext commands will be processed in the order they are
1236received by the server, like other user commands. The first argument is
1237the logged-in player. Ext commands can only be processed after a player
1238has logged in successfully.
871 1239
872If the callback returns something, it is sent back as if reply was being 1240If the callback returns something, it is sent back as if reply was being
873called. 1241called.
874 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
875=cut 1254=cut
876 1255
877sub register_extcmd { 1256sub register_extcmd {
878 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
879 1258
880 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
881} 1266}
882 1267
883cf::player->attach ( 1268cf::player->attach (
884 on_command => sub { 1269 on_command => sub {
885 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
894 cf::override; 1279 cf::override;
895 }, 1280 },
896 on_extcmd => sub { 1281 on_extcmd => sub {
897 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
898 1283
899 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900 1285
901 if (ref $msg) { 1286 if (ref $msg) {
1287 my ($type, $reply, @payload) =
1288 "ARRAY" eq ref $msg
1289 ? @$msg
1290 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291
1292 my @reply;
1293
902 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
903 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
904 $pl->ext_reply ($msg->{msgid}, %reply);
905 }
906 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
907 } else { 1301 } else {
908 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909 } 1303 }
910 1304
911 cf::override; 1305 cf::override;
912 }, 1306 },
913); 1307);
914 1308
915sub load_extension {
916 my ($path) = @_;
917
918 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
919 my $base = $1;
920 my $pkg = $1;
921 $pkg =~ s/[^[:word:]]/_/g;
922 $pkg = "ext::$pkg";
923
924 warn "... loading '$path' into '$pkg'\n";
925
926 open my $fh, "<:utf8", $path
927 or die "$path: $!";
928
929 my $source =
930 "package $pkg; use strict; use utf8;\n"
931 . "#line 1 \"$path\"\n{\n"
932 . (do { local $/; <$fh> })
933 . "\n};\n1";
934
935 unless (eval $source) {
936 my $msg = $@ ? "$path: $@\n"
937 : "extension disabled.\n";
938 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939 warn $@;
940 warn "mandatory extension failed to load, exiting.\n";
941 exit 1;
942 }
943 die $@;
944 }
945
946 push @EXTS, $pkg;
947}
948
949sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
950 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
951 next unless -r $ext; 1314 next unless -r $path;
952 eval { 1315
953 load_extension $ext; 1316 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1317 my $base = $1;
1318 my $pkg = $1;
1319 $pkg =~ s/[^[:word:]]/_/g;
1320 $pkg = "ext::$pkg";
1321
1322 open my $fh, "<:utf8", $path
1323 or die "$path: $!";
1324
1325 my $source = do { local $/; <$fh> };
1326
1327 my %ext = (
1328 path => $path,
1329 base => $base,
1330 pkg => $pkg,
1331 );
1332
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335
1336 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n"
1339 . $source
1340 . "\n};\n1";
1341
1342 $todo{$base} = \%ext;
1343 }
1344
1345 my %done;
1346 while (%todo) {
1347 my $progress;
1348
1349 while (my ($k, $v) = each %todo) {
1350 for (split /,\s*/, $v->{meta}{depends}) {
1351 goto skip
1352 unless exists $done{$_};
1353 }
1354
1355 warn "... loading '$k' into '$v->{pkg}'\n";
1356
1357 unless (eval $v->{source}) {
1358 my $msg = $@ ? "$v->{path}: $@\n"
1359 : "$v->{base}: extension inactive.\n";
1360
1361 if (exists $v->{meta}{mandatory}) {
1362 warn $msg;
1363 cf::cleanup "mandatory extension failed to load, exiting.";
1364 }
1365
1366 warn $msg;
1367 }
1368
1369 $done{$k} = delete $todo{$k};
1370 push @EXTS, $v->{pkg};
1371 $progress = 1;
954 1 1372 }
955 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
956 } 1378 };
957} 1379}
958 1380
959############################################################################# 1381#############################################################################
960 1382
1383=back
1384
961=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
962 1386
963Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
964 1388
965=cut 1389=cut
969use Coro::AIO; 1393use Coro::AIO;
970 1394
971=head3 cf::player 1395=head3 cf::player
972 1396
973=over 4 1397=over 4
1398
1399=item cf::player::num_playing
1400
1401Returns the official number of playing players, as per the Crossfire metaserver rules.
1402
1403=cut
1404
1405sub num_playing {
1406 scalar grep
1407 $_->ob->map
1408 && !$_->hidden
1409 && !$_->ob->flag (cf::FLAG_WIZ),
1410 cf::player::list
1411}
974 1412
975=item cf::player::find $login 1413=item cf::player::find $login
976 1414
977Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
978 1416
1014 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1018 1456
1019 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1020 or return; 1458 or return;
1459
1460 my $pl = cf::player::load_pl $f
1461 or return;
1462
1463 local $cf::PLAYER_LOADING{$login} = $pl;
1464 $f->resolve_delayed_derefs;
1021 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1022 } 1466 }
1023 } 1467 }
1024} 1468}
1025 1469
1034 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1035 1479
1036 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1037 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1038 1482
1483 cf::get_slot 0.01;
1484
1039 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1040 Coro::cede; 1486 cf::cede_to_tick;
1041} 1487}
1042 1488
1043sub new($) { 1489sub new($) {
1044 my ($login) = @_; 1490 my ($login) = @_;
1045 1491
1051 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1052 1498
1053 $self 1499 $self
1054} 1500}
1055 1501
1502=item $player->send_msg ($channel, $msg, $color, [extra...])
1503
1504=cut
1505
1506sub send_msg {
1507 my $ns = shift->ns
1508 or return;
1509 $ns->send_msg (@_);
1510}
1511
1056=item $pl->quit_character 1512=item $pl->quit_character
1057 1513
1058Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1059be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1060 1516
1068 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1069 $pl->password ("*"); # this should lock out the player until we nuked the dir 1525 $pl->password ("*"); # this should lock out the player until we nuked the dir
1070 1526
1071 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1072 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1073 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1074 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1075 1533
1076 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1077 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1113 or return []; 1571 or return [];
1114 1572
1115 my @logins; 1573 my @logins;
1116 1574
1117 for my $login (@$dirs) { 1575 for my $login (@$dirs) {
1576 my $path = path $login;
1577
1578 # a .pst is a dead give-away for a valid player
1579 # if no pst file found, open and chekc for blocked users
1580 if (aio_stat "$path.pst") {
1118 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1120 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1121 1585
1122 utf8::decode $login; 1586 utf8::decode $login;
1123 push @logins, $login; 1587 push @logins, $login;
1124 } 1588 }
1125 1589
1152 } 1616 }
1153 1617
1154 \@paths 1618 \@paths
1155} 1619}
1156 1620
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1622
1623Expand crossfire pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713
1157=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1158 1715
1159Sends an ext reply to the player. 1716Sends an ext reply to the player.
1160 1717
1161=cut 1718=cut
1162 1719
1163sub ext_reply($$%) { 1720sub ext_reply($$@) {
1164 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1165 1722
1166 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1167
1168 $self->send ("ext " . cf::to_json \%msg);
1169} 1724}
1170 1725
1171=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1172 1727
1173Sends an ext event to the client. 1728Sends an ext event to the client.
1174 1729
1175=cut 1730=cut
1176 1731
1177sub ext_event($$%) { 1732sub ext_msg($$@) {
1178 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1179 1734
1180 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1181} 1736}
1182 1737
1183=head3 cf::region 1738=head3 cf::region
1184 1739
1185=over 4 1740=over 4
1188 1743
1189package cf::region; 1744package cf::region;
1190 1745
1191=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1192 1747
1193Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1194 1749
1195=cut 1750=cut
1196 1751
1197sub find_by_path($) { 1752sub find_by_path($) {
1198 my ($path) = @_; 1753 my ($path) = @_;
1199 1754
1200 my ($match, $specificity); 1755 my ($match, $specificity);
1201 1756
1202 for my $region (list) { 1757 for my $region (list) {
1203 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1204 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1205 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1206 } 1761 }
1207 } 1762 }
1208 1763
1229our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1230our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1231 1786
1232sub generate_random_map { 1787sub generate_random_map {
1233 my ($self, $rmp) = @_; 1788 my ($self, $rmp) = @_;
1789
1790 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791
1234 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1235 $self->_create_random_map ( 1793 $self->_create_random_map (
1236 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1273 1831
1274 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1275 local $self->{path}; 1833 local $self->{path};
1276 local $self->{load_path}; 1834 local $self->{load_path};
1277 local $self->{deny_save};
1278 local $self->{deny_reset};
1279 1835
1280 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1281} 1837}
1282 1838
1283sub normalise { 1839sub normalise {
1330 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1331 return $self; 1887 return $self;
1332 } 1888 }
1333 } 1889 }
1334 1890
1335 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1336 () 1892 ()
1337} 1893}
1338 1894
1339sub init { 1895sub init {
1340 my ($self) = @_; 1896 my ($self) = @_;
1362 1918
1363# the temporary/swap location 1919# the temporary/swap location
1364sub save_path { 1920sub save_path {
1365 my ($self) = @_; 1921 my ($self) = @_;
1366 1922
1367 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368 "$TMPDIR/$path.map" 1924 "$TMPDIR/$path.map"
1369} 1925}
1370 1926
1371# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1372sub uniq_path { 1928sub uniq_path {
1373 my ($self) = @_; 1929 my ($self) = @_;
1374 1930
1375 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1377} 1933}
1378 1934
1379# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1380# all maps in C++... 1936# all maps in C++...
1383 1939
1384 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1385 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1386} 1942}
1387 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1388sub unlink_save { 1952sub unlink_save {
1389 my ($self) = @_; 1953 my ($self) = @_;
1390 1954
1391 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1392 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1395 1959
1396sub load_header_from($) { 1960sub load_header_from($) {
1397 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1398 1962
1399 utf8::encode $path; 1963 utf8::encode $path;
1400 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1401 # or return;
1402
1403 $self->_load_header ($path)
1404 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1405 1972
1406 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1407 1974
1408 1 1975 1
1409} 1976}
1448 $self->load_header_orig 2015 $self->load_header_orig
1449 or return; 2016 or return;
1450 $self->prepare_orig; 2017 $self->prepare_orig;
1451 } 2018 }
1452 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1453 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region; 2024 unless $self->default_region;
1455 2025
1456 1 2026 1
1457} 2027}
1460sub find { 2030sub find {
1461 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1462 2032
1463 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1464 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1465 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1466 2037
1467 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1468 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1469 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1470 or return; 2043 or return;
1471 2044
1472 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1473 2046
1474 $map->load_header 2047 $map->load_header
1475 or return; 2048 or return;
1476 2049
1477 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1479 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1480 $map->reset; 2055 $map->reset;
1481 undef $guard;
1482 return find $path; 2056 return find $path;
1483 } 2057 }
1484 2058
1485 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1486 } 2060 }
1495 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1496 2070
1497 my $path = $self->{path}; 2071 my $path = $self->{path};
1498 2072
1499 { 2073 {
1500 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1501 2075
2076 return unless $self->valid;
1502 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1503 2078
1504 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1505 2080
1506 $self->alloc; 2081 $self->alloc;
1507 2082
1508 $self->pre_load; 2083 $self->pre_load;
1509 Coro::cede; 2084 cf::cede_to_tick;
1510 2085
2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
1511 $self->_load_objects ($self->{load_path}, 1) 2088 $self->_load_objects ($f)
1512 or return; 2089 or return;
1513 2090
1514 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->post_load_original
1515 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1516 2093
1517 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1518 utf8::encode $uniq; 2095 utf8::encode $uniq;
1519 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1520 $self->clear_unique_items; 2098 $self->clear_unique_items;
1521 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1522 } 2102 }
1523 } 2103 }
1524 2104
1525 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1526 # now do the right thing for maps 2108 # now do the right thing for maps
1527 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1528 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1529 unless $self->difficulty; 2111 unless $self->difficulty;
1530 Coro::cede; 2112 cf::cede_to_tick;
1531 2113
1532 unless ($self->{deny_activate}) { 2114 unless ($self->{deny_activate}) {
1533 $self->decay_objects; 2115 $self->decay_objects;
1534 $self->fix_auto_apply; 2116 $self->fix_auto_apply;
1535 $self->update_buttons; 2117 $self->update_buttons;
1536 Coro::cede; 2118 cf::cede_to_tick;
1537 $self->set_darkness_map; 2119 $self->set_darkness_map;
1538 Coro::cede; 2120 cf::cede_to_tick;
1539 $self->activate; 2121 $self->activate;
1540 } 2122 }
1541 2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
1542 $self->in_memory (cf::MAP_IN_MEMORY); 2127 $self->in_memory (cf::MAP_ACTIVE);
1543 } 2128 }
1544 2129
1545 $self->post_load; 2130 $self->post_load;
1546} 2131}
1547 2132
1549 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1550 2135
1551 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1552 if $self->per_player; 2137 if $self->per_player;
1553 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1554 $self 2142 $self
1555} 2143}
1556 2144
1557# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1558sub load_diag { 2146sub load_neighbours {
1559 my ($map) = @_; 2147 my ($map) = @_;
1560 2148
1561 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1562 2150
1563 for (0 .. 3) { 2151 for (0 .. 3) {
1564 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1565 or next; 2153 or next;
1566 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1567 or next; 2155 or next;
1568 $neigh->load; 2156 $neigh->load;
1569 2157
2158 push @neigh,
1570 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1572 } 2161 }
1573 2162
1574 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1575 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1576 or next; 2166 or next;
1577 $neigh->load; 2167 $neigh->load;
1578 } 2168 }
1579} 2169}
1580 2170
1585} 2175}
1586 2176
1587sub do_load_sync { 2177sub do_load_sync {
1588 my ($map) = @_; 2178 my ($map) = @_;
1589 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1590 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1591} 2184}
1592 2185
1593our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1594our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1595 2188
1596sub find_async { 2189sub find_async {
1597 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1598 2191
1599 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1600 2193
1601 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1602 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603 } 2196 }
1604 2197
1605 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1606 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1607 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1608 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1609 my $map = find $path 2205 if (my $map = find $k) {
1610 or next;
1611 $map->load; 2206 $map->load if $v;
2207 }
1612 2208
1613 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1614 } 2210 }
1615 } 2211 }
1616 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1617 }; 2213 };
1618 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1621} 2217}
1622 2218
1623sub save { 2219sub save {
1624 my ($self) = @_; 2220 my ($self) = @_;
1625 2221
1626 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1627 2223
1628 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1629 2225
1630 return unless $self->dirty; 2226 return unless $self->dirty;
1631 2227
1637 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1638 2234
1639 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1640 2236
1641 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1642 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1643 }; 2240 };
2241
2242 cf::get_slot 0.02;
1644 2243
1645 if ($uniq) { 2244 if ($uniq) {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1648 } else { 2247 } else {
1654 my ($self) = @_; 2253 my ($self) = @_;
1655 2254
1656 # save first because save cedes 2255 # save first because save cedes
1657 $self->save; 2256 $self->save;
1658 2257
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2259
1661 return if $self->players; 2260 return if $self->players;
1662 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1663 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1664 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1665 $self->clear; 2268 $self->clear;
1666 $self->in_memory (cf::MAP_SWAPPED);
1667} 2269}
1668 2270
1669sub reset_at { 2271sub reset_at {
1670 my ($self) = @_; 2272 my ($self) = @_;
1671 2273
1672 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1673 return 1e99 if $self->isa ("ext::map_per_player");#d#
1674 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1675 2276
1676 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678 2279
1689 my ($self) = @_; 2290 my ($self) = @_;
1690 2291
1691 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2293
1693 return if $self->players; 2294 return if $self->players;
1694 return if $self->isa ("ext::map_per_player");#d#
1695 2295
1696 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1697 2297
1698 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1699 2299
1700 # need to save uniques path 2300 # need to save uniques path
1701 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1705 if $uniq; 2305 if $uniq;
1706 } 2306 }
1707 2307
1708 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1709 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2312 $self->clear;
1711
1712 $_->clear_links_to ($self) for values %cf::MAP;
1713 2313
1714 $self->unlink_save; 2314 $self->unlink_save;
1715 $self->destroy; 2315 $self->destroy;
1716} 2316}
1717 2317
1718my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1719 2319
1720sub nuke { 2320sub nuke {
1721 my ($self) = @_; 2321 my ($self) = @_;
1722 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1723 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1724 2327
1725 $self->unlink_save; 2328 $self->unlink_save;
1726 2329
1727 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1728 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1729 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1730 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1731 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732 2335
1733 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1734 2338
1735 $self->reset; # polite request, might not happen 2339 $self->reset; # polite request, might not happen
2340}
2341
2342=item $maps = cf::map::tmp_maps
2343
2344Returns an arrayref with all map paths of currently instantiated and saved
2345maps. May block.
2346
2347=cut
2348
2349sub tmp_maps() {
2350 [
2351 map {
2352 utf8::decode $_;
2353 /\.map$/
2354 ? normalise $_
2355 : ()
2356 } @{ aio_readdir $TMPDIR or [] }
2357 ]
2358}
2359
2360=item $maps = cf::map::random_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363random maps. May block.
2364
2365=cut
2366
2367sub random_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise "?random/$_"
2373 : ()
2374 } @{ aio_readdir $RANDOMDIR or [] }
2375 ]
1736} 2376}
1737 2377
1738=item cf::map::unique_maps 2378=item cf::map::unique_maps
1739 2379
1740Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1741instantiated unique items. May block. 2381instantiated unique items. May block.
1742 2382
1743=cut 2383=cut
1744 2384
1745sub unique_maps() { 2385sub unique_maps() {
1746 my $files = aio_readdir $UNIQUEDIR 2386 [
1747 or return; 2387 map {
1748
1749 my @paths;
1750
1751 for (@$files) {
1752 utf8::decode $_; 2388 utf8::decode $_;
1753 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1754 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755 2391 ? ()
1756 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1757 } 2394 ]
1758
1759 \@paths
1760} 2395}
1761
1762package cf;
1763 2396
1764=back 2397=back
1765 2398
1766=head3 cf::object 2399=head3 cf::object
1767 2400
1771 2404
1772=over 4 2405=over 4
1773 2406
1774=item $ob->inv_recursive 2407=item $ob->inv_recursive
1775 2408
1776Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1777 2411
1778=cut 2412=cut
1779 2413
1780sub inv_recursive_; 2414sub inv_recursive_;
1781sub inv_recursive_ { 2415sub inv_recursive_ {
1784 2418
1785sub inv_recursive { 2419sub inv_recursive {
1786 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1787} 2421}
1788 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1789package cf; 2451package cf;
1790 2452
1791=back 2453=back
1792 2454
1793=head3 cf::object::player 2455=head3 cf::object::player
1799Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1800can be C<undef>. Does the right thing when the player is currently in a 2462can be C<undef>. Does the right thing when the player is currently in a
1801dialogue with the given NPC character. 2463dialogue with the given NPC character.
1802 2464
1803=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1804 2480
1805# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1806# with dialog boxes. 2482# with dialog boxes.
1807#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1808sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1810 2486
1811 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812 2488
1813 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1814 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1815 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1816 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1817 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1818 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1819} 2514}
1820 2515
1821=item $player_object->may ("access") 2516=item $player_object->may ("access")
1822 2517
1823Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1870 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1871 2566
1872 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1873 2568
1874 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1876 2571
1877 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1878} 2573}
1879 2574
1880sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1881 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1882 2579
1883 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1884 2581
1885 unless ($map) { 2582 unless ($map) {
1886 # restore original map position 2583 # restore original map position
1900 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1901 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1902 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1903 2600
1904 $map->load; 2601 $map->load;
1905 $map->load_diag; 2602 $map->load_neighbours;
1906 2603
1907 return unless $self->contr->active; 2604 return unless $self->contr->active;
1908 $self->activate_recursive; 2605 $self->activate_recursive;
1909 2606
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1912} 2609}
1913 2610
1914cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1915 on_logout => sub {
1916 my ($pl) = @_;
1917 2612
1918 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1919 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1920 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1921 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1922 }; 2617be called at the end of this process.
1923 }
1924 },
1925 on_login => sub {
1926 my ($pl) = @_;
1927 2618
1928 # try to abort aborted map switching on player login :) 2619Note that $check will be called with a potentially non-loaded map, so if
1929 # should happen only on crashes 2620it needs a loaded map it has to call C<< ->load >>.
1930 if ($pl->ob->{_link_pos}) {
1931 $pl->ob->enter_link;
1932 (async {
1933 $pl->ob->reply (undef,
1934 "There was an internal problem at your last logout, "
1935 . "the server will try to bring you to your intended destination in a second.",
1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1939 Coro::Timer::sleep 1;
1940 $pl->ob->leave_link;
1941 })->prio (2);
1942 }
1943 },
1944);
1945 2621
1946=item $player_object->goto ($path, $x, $y)
1947
1948=cut 2622=cut
2623
2624our $GOTOGEN;
1949 2625
1950sub cf::object::player::goto { 2626sub cf::object::player::goto {
1951 my ($self, $path, $x, $y) = @_; 2627 my ($self, $path, $x, $y, $check, $done) = @_;
2628
2629 # do generation counting so two concurrent goto's will be executed in-order
2630 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1952 2631
1953 $self->enter_link; 2632 $self->enter_link;
1954 2633
1955 (async { 2634 (async {
2635 $Coro::current->{desc} = "player::goto $path $x $y";
2636
2637 # *tag paths override both path and x|y
2638 if ($path =~ /^\*(.*)$/) {
2639 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2640 my $ob = $obs[rand @obs];
2641
2642 # see if we actually can go there
2643 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2644 $ob = $obs[rand @obs];
2645 } else {
2646 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2647 }
2648 # else put us there anyways for now #d#
2649
2650 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2651 } else {
2652 ($path, $x, $y) = (undef, undef, undef);
2653 }
2654 }
2655
1956 my $map = eval { 2656 my $map = eval {
1957 my $map = cf::map::find $path; 2657 my $map = defined $path ? cf::map::find $path : undef;
2658
2659 if ($map) {
1958 $map = $map->customise_for ($self) if $map; 2660 $map = $map->customise_for ($self);
2661 $map = $check->($map) if $check && $map;
2662 } else {
2663 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2664 }
2665
1959 $map 2666 $map
2667 };
2668
2669 if ($@) {
2670 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2671 LOG llevError | logBacktrace, Carp::longmess $@;
1960 } or 2672 }
1961 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962 2673
2674 if ($gen == $self->{_goto_generation}) {
2675 delete $self->{_goto_generation};
1963 $self->leave_link ($map, $x, $y); 2676 $self->leave_link ($map, $x, $y);
2677 }
2678
2679 $done->() if $done;
1964 })->prio (1); 2680 })->prio (1);
1965} 2681}
1966 2682
1967=item $player_object->enter_exit ($exit_object) 2683=item $player_object->enter_exit ($exit_object)
1968 2684
1988} 2704}
1989 2705
1990sub prepare_random_map { 2706sub prepare_random_map {
1991 my ($exit) = @_; 2707 my ($exit) = @_;
1992 2708
1993 my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995 # all this does is basically replace the /! path by 2709 # all this does is basically replace the /! path by
1996 # a new random map path (?random/...) with a seed 2710 # a new random map path (?random/...) with a seed
1997 # that depends on the exit object 2711 # that depends on the exit object
1998 2712
1999 my $rmp = parse_random_map_params $exit->msg; 2713 my $rmp = parse_random_map_params $exit->msg;
2001 if ($exit->map) { 2715 if ($exit->map) {
2002 $rmp->{region} = $exit->region->name; 2716 $rmp->{region} = $exit->region->name;
2003 $rmp->{origin_map} = $exit->map->path; 2717 $rmp->{origin_map} = $exit->map->path;
2004 $rmp->{origin_x} = $exit->x; 2718 $rmp->{origin_x} = $exit->x;
2005 $rmp->{origin_y} = $exit->y; 2719 $rmp->{origin_y} = $exit->y;
2720
2721 $exit->map->touch;
2006 } 2722 }
2007 2723
2008 $rmp->{random_seed} ||= $exit->random_seed; 2724 $rmp->{random_seed} ||= $exit->random_seed;
2009 2725
2010 my $data = cf::to_json $rmp; 2726 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011 my $md5 = Digest::MD5::md5_hex $data; 2727 my $md5 = Digest::MD5::md5_hex $data;
2012 my $meta = "$RANDOMDIR/$md5.meta"; 2728 my $meta = "$RANDOMDIR/$md5.meta";
2013 2729
2014 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2730 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015 aio_write $fh, 0, (length $data), $data, 0; 2731 aio_write $fh, 0, (length $data), $data, 0;
2016 undef $fh; 2732 undef $fh;
2017 aio_rename "$meta~", $meta; 2733 aio_rename "$meta~", $meta;
2018 2734
2735 my $slaying = "?random/$md5";
2736
2737 if ($exit->valid) {
2019 $exit->slaying ("?random/$md5"); 2738 $exit->slaying ("?random/$md5");
2020 $exit->msg (undef); 2739 $exit->msg (undef);
2740 }
2021 } 2741 }
2022} 2742}
2023 2743
2024sub cf::object::player::enter_exit { 2744sub cf::object::player::enter_exit {
2025 my ($self, $exit) = @_; 2745 my ($self, $exit) = @_;
2026 2746
2027 return unless $self->type == cf::PLAYER; 2747 return unless $self->type == cf::PLAYER;
2028 2748
2029 if ($exit->slaying eq "/!") {
2030 #TODO: this should de-fi-ni-te-ly not be a sync-job
2031 # the problem is that $exit might not survive long enough
2032 # so it needs to be done right now, right here
2033 cf::sync_job { prepare_random_map $exit };
2034 }
2035
2036 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037 my $hp = $exit->stats->hp;
2038 my $sp = $exit->stats->sp;
2039
2040 $self->enter_link; 2749 $self->enter_link;
2041 2750
2042 (async { 2751 (async {
2043 $self->deactivate_recursive; # just to be sure 2752 $Coro::current->{desc} = "enter_exit";
2753
2044 unless (eval { 2754 unless (eval {
2755 $self->deactivate_recursive; # just to be sure
2756
2757 # random map handling
2758 {
2759 my $guard = cf::lock_acquire "exit_prepare:$exit";
2760
2761 prepare_random_map $exit
2762 if $exit->slaying eq "/!";
2763 }
2764
2765 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2766 my $x = $exit->stats->hp;
2767 my $y = $exit->stats->sp;
2768
2045 $self->goto ($slaying, $hp, $sp); 2769 $self->goto ($map, $x, $y);
2046 2770
2771 # if exit is damned, update players death & WoR home-position
2772 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED);
2774
2047 1; 2775 1
2048 }) { 2776 }) {
2049 $self->message ("Something went wrong deep within the crossfire server. " 2777 $self->message ("Something went wrong deep within the crossfire server. "
2050 . "I'll try to bring you back to the map you were before. " 2778 . "I'll try to bring you back to the map you were before. "
2051 . "Please report this to the dungeon master!", 2779 . "Please report this to the dungeon master!",
2052 cf::NDI_UNIQUE | cf::NDI_RED); 2780 cf::NDI_UNIQUE | cf::NDI_RED);
2073 2801
2074 utf8::encode $text; 2802 utf8::encode $text;
2075 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2803 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2076} 2804}
2077 2805
2806=item $client->send_msg ($channel, $msg, $color, [extra...])
2807
2808Send a drawinfo or msg packet to the client, formatting the msg for the
2809client if neccessary. C<$type> should be a string identifying the type of
2810the message, with C<log> being the default. If C<$color> is negative, suppress
2811the message unless the client supports the msg packet.
2812
2813=cut
2814
2815# non-persistent channels (usually the info channel)
2816our %CHANNEL = (
2817 "c/identify" => {
2818 id => "infobox",
2819 title => "Identify",
2820 reply => undef,
2821 tooltip => "Items recently identified",
2822 },
2823 "c/examine" => {
2824 id => "infobox",
2825 title => "Examine",
2826 reply => undef,
2827 tooltip => "Signs and other items you examined",
2828 },
2829 "c/book" => {
2830 id => "infobox",
2831 title => "Book",
2832 reply => undef,
2833 tooltip => "The contents of a note or book",
2834 },
2835 "c/lookat" => {
2836 id => "infobox",
2837 title => "Look",
2838 reply => undef,
2839 tooltip => "What you saw there",
2840 },
2841 "c/who" => {
2842 id => "infobox",
2843 title => "Players",
2844 reply => undef,
2845 tooltip => "Shows players who are currently online",
2846 },
2847 "c/body" => {
2848 id => "infobox",
2849 title => "Body Parts",
2850 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available",
2852 },
2853 "c/uptime" => {
2854 id => "infobox",
2855 title => "Uptime",
2856 reply => undef,
2857 tooltip => "How long the server has been running since last restart",
2858 },
2859 "c/mapinfo" => {
2860 id => "infobox",
2861 title => "Map Info",
2862 reply => undef,
2863 tooltip => "Information related to the maps",
2864 },
2865 "c/party" => {
2866 id => "party",
2867 title => "Party",
2868 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party",
2870 },
2871);
2872
2873sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_;
2875
2876 $msg = $self->pl->expand_cfpod ($msg);
2877
2878 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879
2880 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel};
2883
2884 $self->ext_msg (channel_info => $channel)
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id};
2888
2889 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel)
2894 if $self->can_msg;
2895 }
2896
2897 $channel = $channel->{id};
2898 }
2899
2900 return unless @extra || length $msg;
2901
2902 if ($self->can_msg) {
2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF;
2906
2907 $self->send_packet ("msg " . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2909 } else {
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920
2921 $color &= cf::NDI_COLOR_MASK;
2922
2923 utf8::encode $msg;
2924
2925 if (0 && $msg =~ /\[/) {
2926 # COMMAND/INFO
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 }
2934}
2935
2078=item $client->ext_event ($type, %msg) 2936=item $client->ext_msg ($type, @msg)
2079 2937
2080Sends an exti event to the client. 2938Sends an ext event to the client.
2081 2939
2082=cut 2940=cut
2083 2941
2084sub cf::client::ext_event($$%) { 2942sub cf::client::ext_msg($$@) {
2085 my ($self, $type, %msg) = @_; 2943 my ($self, $type, @msg) = @_;
2086 2944
2945 if ($self->extcmd == 2) {
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947 } elsif ($self->extcmd == 1) { # TODO: remove
2087 $msg{msgtype} = "event_$type"; 2948 push @msg, msgtype => "event_$type";
2088 $self->send_packet ("ext " . cf::to_json \%msg); 2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2951}
2952
2953=item $client->ext_reply ($msgid, @msg)
2954
2955Sends an ext reply to the client.
2956
2957=cut
2958
2959sub cf::client::ext_reply($$@) {
2960 my ($self, $id, @msg) = @_;
2961
2962 if ($self->extcmd == 2) {
2963 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964 } elsif ($self->extcmd == 1) {
2965 #TODO: version 1, remove
2966 unshift @msg, msgtype => "reply", msgid => $id;
2967 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968 }
2089} 2969}
2090 2970
2091=item $success = $client->query ($flags, "text", \&cb) 2971=item $success = $client->query ($flags, "text", \&cb)
2092 2972
2093Queues a query to the client, calling the given callback with 2973Queues a query to the client, calling the given callback with
2094the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2974the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2095C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2975C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2096 2976
2097Queries can fail, so check the return code. Or don't, as queries will become 2977Queries can fail, so check the return code. Or don't, as queries will
2098reliable at some point in the future. 2978become reliable at some point in the future.
2099 2979
2100=cut 2980=cut
2101 2981
2102sub cf::client::query { 2982sub cf::client::query {
2103 my ($self, $flags, $text, $cb) = @_; 2983 my ($self, $flags, $text, $cb) = @_;
2111 utf8::encode $text; 2991 utf8::encode $text;
2112 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2992 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113 2993
2114 $self->send_packet ($self->{query_queue}[0][0]) 2994 $self->send_packet ($self->{query_queue}[0][0])
2115 if @{ $self->{query_queue} } == 1; 2995 if @{ $self->{query_queue} } == 1;
2996
2997 1
2116} 2998}
2117 2999
2118cf::client->attach ( 3000cf::client->attach (
3001 on_connect => sub {
3002 my ($ns) = @_;
3003
3004 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3005 },
2119 on_reply => sub { 3006 on_reply => sub {
2120 my ($ns, $msg) = @_; 3007 my ($ns, $msg) = @_;
2121 3008
2122 # this weird shuffling is so that direct followup queries 3009 # this weird shuffling is so that direct followup queries
2123 # get handled first 3010 # get handled first
2135 } else { 3022 } else {
2136 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3023 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137 } 3024 }
2138 } 3025 }
2139 }, 3026 },
3027 on_exticmd => sub {
3028 my ($ns, $buf) = @_;
3029
3030 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3031
3032 if (ref $msg) {
3033 my ($type, $reply, @payload) =
3034 "ARRAY" eq ref $msg
3035 ? @$msg
3036 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3037
3038 my @reply;
3039
3040 if (my $cb = $EXTICMD{$type}) {
3041 @reply = $cb->($ns, @payload);
3042 }
3043
3044 $ns->ext_reply ($reply, @reply)
3045 if $reply;
3046
3047 } else {
3048 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3049 }
3050
3051 cf::override;
3052 },
2140); 3053);
2141 3054
2142=item $client->async (\&cb) 3055=item $client->async (\&cb)
2143 3056
2144Create a new coroutine, running the specified callback. The coroutine will 3057Create a new coroutine, running the specified callback. The coroutine will
2185our $safe = new Safe "safe"; 3098our $safe = new Safe "safe";
2186our $safe_hole = new Safe::Hole; 3099our $safe_hole = new Safe::Hole;
2187 3100
2188$SIG{FPE} = 'IGNORE'; 3101$SIG{FPE} = 'IGNORE';
2189 3102
2190$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3103$safe->permit_only (Opcode::opset qw(
3104 :base_core :base_mem :base_orig :base_math
3105 grepstart grepwhile mapstart mapwhile
3106 sort time
3107));
2191 3108
2192# here we export the classes and methods available to script code 3109# here we export the classes and methods available to script code
2193 3110
2194=pod 3111=pod
2195 3112
2196The following functions and methods are available within a safe environment: 3113The following functions and methods are available within a safe environment:
2197 3114
2198 cf::object contr pay_amount pay_player map 3115 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split
3118
2199 cf::object::player player 3119 cf::object::player
2200 cf::player peaceful 3120 player
2201 cf::map trigger 3121
3122 cf::player
3123 peaceful
3124
3125 cf::map
3126 trigger
2202 3127
2203=cut 3128=cut
2204 3129
2205for ( 3130for (
2206 ["cf::object" => qw(contr pay_amount pay_player map)], 3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132 insert remove inv nrof name archname title slaying race
3133 decrease split destroy change_exp)],
2207 ["cf::object::player" => qw(player)], 3134 ["cf::object::player" => qw(player)],
2208 ["cf::player" => qw(peaceful)], 3135 ["cf::player" => qw(peaceful)],
2209 ["cf::map" => qw(trigger)], 3136 ["cf::map" => qw(trigger)],
2210) { 3137) {
2211 no strict 'refs'; 3138 no strict 'refs';
2282=back 3209=back
2283 3210
2284=cut 3211=cut
2285 3212
2286############################################################################# 3213#############################################################################
2287
2288=head2 EXTENSION DATABASE SUPPORT
2289
2290Crossfire maintains a very simple database for extension use. It can
2291currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292convert to/from binary).
2293
2294The parameter C<$family> should best start with the name of the extension
2295using it, it should be unique.
2296
2297=over 4
2298
2299=item $value = cf::db_get $family => $key
2300
2301Returns a single value from the database.
2302
2303=item cf::db_put $family => $key => $value
2304
2305Stores the given C<$value> in the family.
2306
2307=cut
2308
2309our $DB;
2310
2311sub db_init {
2312 unless ($DB) {
2313 $DB = BDB::db_create $DB_ENV;
2314
2315 cf::sync_job {
2316 eval {
2317 $DB->set_flags (BDB::CHKSUM);
2318
2319 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321 cf::cleanup "db_open(db): $!" if $!;
2322 };
2323 cf::cleanup "db_open(db): $@" if $@;
2324 };
2325 }
2326}
2327
2328sub db_get($$) {
2329 my $key = "$_[0]/$_[1]";
2330
2331 cf::sync_job {
2332 BDB::db_get $DB, undef, $key, my $data;
2333
2334 $! ? ()
2335 : $data
2336 }
2337}
2338
2339sub db_put($$$) {
2340 BDB::dbreq_pri 4;
2341 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342}
2343
2344=item cf::cache $id => [$paths...], $processversion => $process
2345
2346Generic caching function that returns the value of the resource $id,
2347caching and regenerating as required.
2348
2349This function can block.
2350
2351=cut
2352
2353sub cache {
2354 my ($id, $src, $processversion, $process) = @_;
2355
2356 my $meta =
2357 join "\x00",
2358 $processversion,
2359 map {
2360 aio_stat $_
2361 and Carp::croak "$_: $!";
2362
2363 ($_, (stat _)[7,9])
2364 } @$src;
2365
2366 my $dbmeta = db_get cache => "$id/meta";
2367 if ($dbmeta ne $meta) {
2368 # changed, we may need to process
2369
2370 my @data;
2371 my $md5;
2372
2373 for (0 .. $#$src) {
2374 0 <= aio_load $src->[$_], $data[$_]
2375 or Carp::croak "$src->[$_]: $!";
2376 }
2377
2378 # if processing is expensive, check
2379 # checksum first
2380 if (1) {
2381 $md5 =
2382 join "\x00",
2383 $processversion,
2384 map {
2385 Coro::cede;
2386 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2387 } 0.. $#$src;
2388
2389
2390 my $dbmd5 = db_get cache => "$id/md5";
2391 if ($dbmd5 eq $md5) {
2392 db_put cache => "$id/meta", $meta;
2393
2394 return db_get cache => "$id/data";
2395 }
2396 }
2397
2398 my $t1 = Time::HiRes::time;
2399 my $data = $process->(\@data);
2400 my $t2 = Time::HiRes::time;
2401
2402 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404 db_put cache => "$id/data", $data;
2405 db_put cache => "$id/md5" , $md5;
2406 db_put cache => "$id/meta", $meta;
2407
2408 return $data;
2409 }
2410
2411 db_get cache => "$id/data"
2412}
2413
2414=item fork_call { }, $args
2415
2416Executes the given code block with the given arguments in a seperate
2417process, returning the results. Everything must be serialisable with
2418Coro::Storable. May, of course, block. Note that the executed sub may
2419never block itself or use any form of Event handling.
2420
2421=cut
2422
2423sub fork_call(&@) {
2424 my ($cb, @args) = @_;
2425
2426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427# or die "socketpair: $!";
2428 pipe my $fh1, my $fh2
2429 or die "pipe: $!";
2430
2431 if (my $pid = fork) {
2432 close $fh2;
2433
2434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435 $res = Coro::Storable::thaw $res;
2436
2437 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439 die $$res unless "ARRAY" eq ref $res;
2440
2441 return wantarray ? @$res : $res->[-1];
2442 } else {
2443 reset_signals;
2444 local $SIG{__WARN__};
2445 local $SIG{__DIE__};
2446 eval {
2447 close $fh1;
2448
2449 my @res = eval { $cb->(@args) };
2450 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451 };
2452
2453 warn $@ if $@;
2454 _exit 0;
2455 }
2456}
2457
2458
2459
2460#############################################################################
2461# the server's init and main functions 3214# the server's init and main functions
2462 3215
2463sub load_facedata($) { 3216sub load_facedata($) {
2464 my ($path) = @_; 3217 my ($path) = @_;
3218
3219 # HACK to clear player env face cache, we need some signal framework
3220 # for this (global event?)
3221 %ext::player_env::MUSIC_FACE_CACHE = ();
3222
3223 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2465 3224
2466 warn "loading facedata from $path\n"; 3225 warn "loading facedata from $path\n";
2467 3226
2468 my $facedata; 3227 my $facedata;
2469 0 < aio_load $path, $facedata 3228 0 < aio_load $path, $facedata
2472 $facedata = Coro::Storable::thaw $facedata; 3231 $facedata = Coro::Storable::thaw $facedata;
2473 3232
2474 $facedata->{version} == 2 3233 $facedata->{version} == 2
2475 or cf::cleanup "$path: version mismatch, cannot proceed."; 3234 or cf::cleanup "$path: version mismatch, cannot proceed.";
2476 3235
3236 # patch in the exptable
3237 $facedata->{resource}{"res/exp_table"} = {
3238 type => FT_RSRC,
3239 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3240 };
3241 cf::cede_to_tick;
3242
2477 { 3243 {
2478 my $faces = $facedata->{faceinfo}; 3244 my $faces = $facedata->{faceinfo};
2479 3245
2480 while (my ($face, $info) = each %$faces) { 3246 while (my ($face, $info) = each %$faces) {
2481 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3247 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248
2482 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3249 cf::face::set_visibility $idx, $info->{visibility};
3250 cf::face::set_magicmap $idx, $info->{magicmap};
2483 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3251 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2484 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3252 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2485 Coro::cede; 3253
3254 cf::cede_to_tick;
2486 } 3255 }
2487 3256
2488 while (my ($face, $info) = each %$faces) { 3257 while (my ($face, $info) = each %$faces) {
2489 next unless $info->{smooth}; 3258 next unless $info->{smooth};
3259
2490 my $idx = cf::face::find $face 3260 my $idx = cf::face::find $face
2491 or next; 3261 or next;
3262
2492 if (my $smooth = cf::face::find $info->{smooth}) { 3263 if (my $smooth = cf::face::find $info->{smooth}) {
3264 cf::face::set_smooth $idx, $smooth;
2493 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3265 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494 } else { 3266 } else {
2495 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3267 warn "smooth face '$info->{smooth}' not found for face '$face'";
2496 } 3268 }
2497 Coro::cede; 3269
3270 cf::cede_to_tick;
2498 } 3271 }
2499 } 3272 }
2500 3273
2501 { 3274 {
2502 my $anims = $facedata->{animinfo}; 3275 my $anims = $facedata->{animinfo};
2503 3276
2504 while (my ($anim, $info) = each %$anims) { 3277 while (my ($anim, $info) = each %$anims) {
2505 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3278 cf::anim::set $anim, $info->{frames}, $info->{facings};
2506 Coro::cede; 3279 cf::cede_to_tick;
2507 } 3280 }
2508 3281
2509 cf::anim::invalidate_all; # d'oh 3282 cf::anim::invalidate_all; # d'oh
2510 } 3283 }
2511 3284
3285 {
3286 # TODO: for gcfclient pleasure, we should give resources
3287 # that gcfclient doesn't grok a >10000 face index.
3288 my $res = $facedata->{resource};
3289
3290 while (my ($name, $info) = each %$res) {
3291 if (defined $info->{type}) {
3292 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293 my $data;
3294
3295 if ($info->{type} & 1) {
3296 # prepend meta info
3297
3298 my $meta = $enc->encode ({
3299 name => $name,
3300 %{ $info->{meta} || {} },
3301 });
3302
3303 $data = pack "(w/a*)*", $meta, $info->{data};
3304 } else {
3305 $data = $info->{data};
3306 }
3307
3308 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309 cf::face::set_type $idx, $info->{type};
3310 } else {
3311 $RESOURCE{$name} = $info;
3312 }
3313
3314 cf::cede_to_tick;
3315 }
3316 }
3317
3318 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3319
2512 1 3320 1
2513} 3321}
2514 3322
3323cf::global->attach (on_resource_update => sub {
3324 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3325 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3326
3327 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3328 my $sound = $soundconf->{compat}[$_]
3329 or next;
3330
3331 my $face = cf::face::find "sound/$sound->[1]";
3332 cf::sound::set $sound->[0] => $face;
3333 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3334 }
3335
3336 while (my ($k, $v) = each %{$soundconf->{event}}) {
3337 my $face = cf::face::find "sound/$v";
3338 cf::sound::set $k => $face;
3339 }
3340 }
3341});
3342
3343register_exticmd fx_want => sub {
3344 my ($ns, $want) = @_;
3345
3346 while (my ($k, $v) = each %$want) {
3347 $ns->fx_want ($k, $v);
3348 }
3349};
3350
3351sub load_resource_file($) {
3352 my $guard = lock_acquire "load_resource_file";
3353
3354 my $status = load_resource_file_ $_[0];
3355 get_slot 0.1, 100;
3356 cf::arch::commit_load;
3357
3358 $status
3359}
3360
2515sub reload_regions { 3361sub reload_regions {
3362 # HACK to clear player env face cache, we need some signal framework
3363 # for this (global event?)
3364 %ext::player_env::MUSIC_FACE_CACHE = ();
3365
2516 load_resource_file "$MAPDIR/regions" 3366 load_resource_file "$MAPDIR/regions"
2517 or die "unable to load regions file\n"; 3367 or die "unable to load regions file\n";
3368
3369 for (cf::region::list) {
3370 $_->{match} = qr/$_->{match}/
3371 if exists $_->{match};
3372 }
2518} 3373}
2519 3374
2520sub reload_facedata { 3375sub reload_facedata {
2521 load_facedata "$DATADIR/facedata" 3376 load_facedata "$DATADIR/facedata"
2522 or die "unable to load facedata\n"; 3377 or die "unable to load facedata\n";
2533} 3388}
2534 3389
2535sub reload_resources { 3390sub reload_resources {
2536 warn "reloading resource files...\n"; 3391 warn "reloading resource files...\n";
2537 3392
2538 reload_regions;
2539 reload_facedata; 3393 reload_facedata;
2540 reload_archetypes; 3394 reload_archetypes;
3395 reload_regions;
2541 reload_treasures; 3396 reload_treasures;
2542 3397
2543 warn "finished reloading resource files\n"; 3398 warn "finished reloading resource files\n";
2544} 3399}
2545 3400
2546sub init { 3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
2547 reload_resources; 3406 reload_resources;
2548} 3407}
2549 3408
2550sub cfg_load { 3409sub reload_config {
2551 open my $fh, "<:utf8", "$CONFDIR/config" 3410 open my $fh, "<:utf8", "$CONFDIR/config"
2552 or return; 3411 or return;
2553 3412
2554 local $/; 3413 local $/;
2555 *CFG = YAML::Syck::Load <$fh>; 3414 *CFG = YAML::Load <$fh>;
2556 3415
2557 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2558 3417
2559 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3419 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2571sub main { 3430sub main {
2572 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2573 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2574 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575 (async { 3434 (async {
2576 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2577 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2578 }; 3438 };
2579 3439
2580 cfg_load; 3440 {
3441 my $guard = freeze_mainloop;
3442 reload_config;
2581 db_init; 3443 db_init;
2582 load_extensions; 3444 load_extensions;
2583 3445
2584 $TICK_WATCHER->start; 3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3447 }
3448
2585 Event::loop; 3449 EV::loop;
2586} 3450}
2587 3451
2588############################################################################# 3452#############################################################################
2589# initialisation and cleanup 3453# initialisation and cleanup
2590 3454
2591# install some emergency cleanup handlers 3455# install some emergency cleanup handlers
2592BEGIN { 3456BEGIN {
3457 our %SIGWATCHER = ();
2593 for my $signal (qw(INT HUP TERM)) { 3458 for my $signal (qw(INT HUP TERM)) {
2594 Event->signal ( 3459 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2595 reentrant => 0,
2596 data => WF_AUTOCANCEL,
2597 signal => $signal,
2598 prio => 0,
2599 cb => sub {
2600 cf::cleanup "SIG$signal"; 3460 cf::cleanup "SIG$signal";
2601 },
2602 ); 3461 };
3462 }
3463}
3464
3465sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time.
3470
3471 IO::AIO::aio_utime $runtime, undef, undef;
3472
3473 my $guard = cf::lock_acquire "write_runtime";
3474
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3476 or return;
3477
3478 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server.
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 # touch it again to show we are up-to-date
3490 aio_utime $fh, undef, undef;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$runtime~", $runtime
3496 and return;
3497
3498 warn "runtime file written.\n";
3499
2603 } 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3518 $uuid_skip = 0;
3519
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return;
3522
3523 # always fsync - this file is important
3524 aio_fsync $fh
3525 and return;
3526
3527 close $fh
3528 or return;
3529
3530 aio_rename "$uuid~", $uuid
3531 and return;
3532
3533 warn "uuid file written ($value).\n";
3534
3535 1
3536
3537}
3538
3539sub write_uuid($$) {
3540 my ($skip, $sync) = @_;
3541
3542 $sync ? write_uuid_sync $skip
3543 : async { write_uuid_sync $skip };
2604} 3544}
2605 3545
2606sub emergency_save() { 3546sub emergency_save() {
2607 my $freeze_guard = cf::freeze_mainloop; 3547 my $freeze_guard = cf::freeze_mainloop;
2608 3548
2614 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
2615 warn "begin emergency player save\n"; 3555 warn "begin emergency player save\n";
2616 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
2617 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
2618 $pl->valid or next; 3558 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619 $pl->save; 3560 $pl->save;
2620 } 3561 }
2621 warn "end emergency player save\n"; 3562 warn "end emergency player save\n";
2622 3563
2623 warn "begin emergency map save\n"; 3564 warn "begin emergency map save\n";
2629 warn "end emergency map save\n"; 3570 warn "end emergency map save\n";
2630 3571
2631 warn "begin emergency database checkpoint\n"; 3572 warn "begin emergency database checkpoint\n";
2632 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
2633 warn "end emergency database checkpoint\n"; 3574 warn "end emergency database checkpoint\n";
3575
3576 warn "begin write uuid\n";
3577 write_uuid_sync 1;
3578 warn "end write uuid\n";
2634 }; 3579 };
2635 3580
2636 warn "leave emergency perl save\n"; 3581 warn "leave emergency perl save\n";
2637} 3582}
2638 3583
2653 warn "reloading..."; 3598 warn "reloading...";
2654 3599
2655 warn "entering sync_job"; 3600 warn "entering sync_job";
2656 3601
2657 cf::sync_job { 3602 cf::sync_job {
2658 cf::write_runtime; # external watchdog should not bark 3603 cf::write_runtime_sync; # external watchdog should not bark
2659 cf::emergency_save; 3604 cf::emergency_save;
2660 cf::write_runtime; # external watchdog should not bark 3605 cf::write_runtime_sync; # external watchdog should not bark
2661 3606
2662 warn "syncing database to disk"; 3607 warn "syncing database to disk";
2663 BDB::db_env_txn_checkpoint $DB_ENV; 3608 BDB::db_env_txn_checkpoint $DB_ENV;
2664 3609
2665 # if anything goes wrong in here, we should simply crash as we already saved 3610 # if anything goes wrong in here, we should simply crash as we already saved
2666
2667 warn "cancelling all WF_AUTOCANCEL watchers";
2668 for (Event::all_watchers) {
2669 $_->cancel if $_->data & WF_AUTOCANCEL;
2670 }
2671 3611
2672 warn "flushing outstanding aio requests"; 3612 warn "flushing outstanding aio requests";
2673 for (;;) { 3613 for (;;) {
2674 BDB::flush; 3614 BDB::flush;
2675 IO::AIO::flush; 3615 IO::AIO::flush;
2676 Coro::cede; 3616 Coro::cede_notself;
2677 last unless IO::AIO::nreqs || BDB::nreqs; 3617 last unless IO::AIO::nreqs || BDB::nreqs;
2678 warn "iterate..."; 3618 warn "iterate...";
2679 } 3619 }
2680 3620
2681 ++$RELOAD; 3621 ++$RELOAD;
2685 %EXT_CORO = (); 3625 %EXT_CORO = ();
2686 3626
2687 warn "removing commands"; 3627 warn "removing commands";
2688 %COMMAND = (); 3628 %COMMAND = ();
2689 3629
2690 warn "removing ext commands"; 3630 warn "removing ext/exti commands";
2691 %EXTCMD = (); 3631 %EXTCMD = ();
3632 %EXTICMD = ();
2692 3633
2693 warn "unloading/nuking all extensions"; 3634 warn "unloading/nuking all extensions";
2694 for my $pkg (@EXTS) { 3635 for my $pkg (@EXTS) {
2695 warn "... unloading $pkg"; 3636 warn "... unloading $pkg";
2696 3637
2739 warn "reloading cf.pm"; 3680 warn "reloading cf.pm";
2740 require cf; 3681 require cf;
2741 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2742 3683
2743 warn "loading config and database again"; 3684 warn "loading config and database again";
2744 cf::cfg_load; 3685 cf::reload_config;
2745 3686
2746 warn "loading extensions"; 3687 warn "loading extensions";
2747 cf::load_extensions; 3688 cf::load_extensions;
2748 3689
2749 warn "reattaching attachments to objects/players"; 3690 warn "reattaching attachments to objects/players";
2756 warn "leaving sync_job"; 3697 warn "leaving sync_job";
2757 3698
2758 1 3699 1
2759 } or do { 3700 } or do {
2760 warn $@; 3701 warn $@;
2761 warn "error while reloading, exiting."; 3702 cf::cleanup "error while reloading, exiting.";
2762 exit 1;
2763 }; 3703 };
2764 3704
2765 warn "reloaded"; 3705 warn "reloaded";
2766}; 3706};
2767 3707
2769 3709
2770sub reload_perl() { 3710sub reload_perl() {
2771 # doing reload synchronously and two reloads happen back-to-back, 3711 # doing reload synchronously and two reloads happen back-to-back,
2772 # coro crashes during coro_state_free->destroy here. 3712 # coro crashes during coro_state_free->destroy here.
2773 3713
2774 $RELOAD_WATCHER ||= Event->timer ( 3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2775 reentrant => 0,
2776 after => 0,
2777 data => WF_AUTOCANCEL,
2778 cb => sub {
2779 do_reload_perl; 3715 do_reload_perl;
2780 undef $RELOAD_WATCHER; 3716 undef $RELOAD_WATCHER;
2781 },
2782 ); 3717 };
2783} 3718}
2784 3719
2785register_command "reload" => sub { 3720register_command "reload" => sub {
2786 my ($who, $arg) = @_; 3721 my ($who, $arg) = @_;
2787 3722
2788 if ($who->flag (FLAG_WIZ)) { 3723 if ($who->flag (FLAG_WIZ)) {
2789 $who->message ("reloading server."); 3724 $who->message ("reloading server.");
3725 async {
3726 $Coro::current->{desc} = "perl_reload";
2790 async { reload_perl }; 3727 reload_perl;
3728 };
2791 } 3729 }
2792}; 3730};
2793 3731
2794unshift @INC, $LIBDIR; 3732unshift @INC, $LIBDIR;
2795 3733
2797 3735
2798our @WAIT_FOR_TICK; 3736our @WAIT_FOR_TICK;
2799our @WAIT_FOR_TICK_BEGIN; 3737our @WAIT_FOR_TICK_BEGIN;
2800 3738
2801sub wait_for_tick { 3739sub wait_for_tick {
2802 return unless $TICK_WATCHER->is_active;
2803 return if $Coro::current == $Coro::main; 3740 return if tick_inhibit || $Coro::current == $Coro::main;
2804 3741
2805 my $signal = new Coro::Signal; 3742 my $signal = new Coro::Signal;
2806 push @WAIT_FOR_TICK, $signal; 3743 push @WAIT_FOR_TICK, $signal;
2807 $signal->wait; 3744 $signal->wait;
2808} 3745}
2809 3746
2810sub wait_for_tick_begin { 3747sub wait_for_tick_begin {
2811 return unless $TICK_WATCHER->is_active;
2812 return if $Coro::current == $Coro::main; 3748 return if tick_inhibit || $Coro::current == $Coro::main;
2813 3749
2814 my $signal = new Coro::Signal; 3750 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal; 3751 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait; 3752 $signal->wait;
2817} 3753}
2818 3754
2819$TICK_WATCHER = Event->timer ( 3755sub tick {
2820 reentrant => 0,
2821 parked => 1,
2822 prio => 0,
2823 at => $NEXT_TICK || $TICK,
2824 data => WF_AUTOCANCEL,
2825 cb => sub {
2826 if ($Coro::current != $Coro::main) { 3756 if ($Coro::current != $Coro::main) {
2827 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3757 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828 unless ++$bug_warning > 10; 3758 unless ++$bug_warning > 10;
2829 return; 3759 return;
2830 } 3760 }
2831 3761
2832 $NOW = Event::time;
2833
2834 cf::server_tick; # one server iteration 3762 cf::server_tick; # one server iteration
2835 3763
2836 $RUNTIME += $TICK;
2837 $NEXT_TICK += $TICK;
2838
2839 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3764 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840 $NEXT_RUNTIME_WRITE = $NOW + 10; 3765 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841 Coro::async_pool { 3766 Coro::async_pool {
3767 $Coro::current->{desc} = "runtime saver";
2842 write_runtime 3768 write_runtime_sync
2843 or warn "ERROR: unable to write runtime file: $!"; 3769 or warn "ERROR: unable to write runtime file: $!";
2844 };
2845 } 3770 };
3771 }
2846 3772
2847# my $AFTER = Event::time;
2848# warn $AFTER - $NOW;#d#
2849
2850 # if we are delayed by four ticks or more, skip them all
2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853 $TICK_WATCHER->at ($NEXT_TICK);
2854 $TICK_WATCHER->start;
2855
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3773 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857 $sig->send; 3774 $sig->send;
2858 } 3775 }
2859 while (my $sig = shift @WAIT_FOR_TICK) { 3776 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send; 3777 $sig->send;
2861 }
2862
2863 _post_tick;
2864 }, 3778 }
2865); 3779
3780 $LOAD = ($NOW - $TICK_START) / $TICK;
3781 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3782
3783 if (0) {
3784 if ($NEXT_TICK) {
3785 my $jitter = $TICK_START - $NEXT_TICK;
3786 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3787 warn "jitter $JITTER\n";#d#
3788 }
3789 }
3790}
2866 3791
2867{ 3792{
2868 BDB::max_poll_time $TICK * 0.1; 3793 # configure BDB
2869 $BDB_POLL_WATCHER = Event->io ( 3794
2870 reentrant => 0,
2871 fd => BDB::poll_fileno,
2872 poll => 'r',
2873 prio => 0,
2874 data => WF_AUTOCANCEL,
2875 cb => \&BDB::poll_cb,
2876 );
2877 BDB::min_parallel 8; 3795 BDB::min_parallel 8;
2878 3796 BDB::max_poll_reqs $TICK * 0.1;
2879 BDB::set_sync_prepare { 3797 $AnyEvent::BDB::WATCHER->priority (1);
2880 my $status;
2881 my $current = $Coro::current;
2882 (
2883 sub {
2884 $status = $!;
2885 $current->ready; undef $current;
2886 },
2887 sub {
2888 Coro::schedule while defined $current;
2889 $! = $status;
2890 },
2891 )
2892 };
2893 3798
2894 unless ($DB_ENV) { 3799 unless ($DB_ENV) {
2895 $DB_ENV = BDB::db_env_create; 3800 $DB_ENV = BDB::db_env_create;
3801 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3802 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3803 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3804 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3805 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896 3806
2897 cf::sync_job { 3807 cf::sync_job {
2898 eval { 3808 eval {
2899 BDB::db_env_open 3809 BDB::db_env_open
2900 $DB_ENV, 3810 $DB_ENV,
2902 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3812 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3813 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904 0666; 3814 0666;
2905 3815
2906 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3816 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909 $DB_ENV->set_lk_detect;
2910 }; 3817 };
2911 3818
2912 cf::cleanup "db_env_open(db): $@" if $@; 3819 cf::cleanup "db_env_open(db): $@" if $@;
2913 }; 3820 };
2914 } 3821 }
3822
3823 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3824 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3825 };
3826 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3827 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3828 };
3829 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3830 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3831 };
2915} 3832}
2916 3833
2917{ 3834{
3835 # configure IO::AIO
3836
2918 IO::AIO::min_parallel 8; 3837 IO::AIO::min_parallel 8;
2919
2920 undef $Coro::AIO::WATCHER;
2921 IO::AIO::max_poll_time $TICK * 0.1; 3838 IO::AIO::max_poll_time $TICK * 0.1;
2922 $AIO_POLL_WATCHER = Event->io ( 3839 undef $AnyEvent::AIO::WATCHER;
2923 reentrant => 0,
2924 data => WF_AUTOCANCEL,
2925 fd => IO::AIO::poll_fileno,
2926 poll => 'r',
2927 prio => 6,
2928 cb => \&IO::AIO::poll_cb,
2929 );
2930} 3840}
2931 3841
2932my $_log_backtrace; 3842my $_log_backtrace;
2933 3843
2934sub _log_backtrace { 3844sub _log_backtrace {
2938 3848
2939 # limit the # of concurrent backtraces 3849 # limit the # of concurrent backtraces
2940 if ($_log_backtrace < 2) { 3850 if ($_log_backtrace < 2) {
2941 ++$_log_backtrace; 3851 ++$_log_backtrace;
2942 async { 3852 async {
3853 $Coro::current->{desc} = "abt $msg";
3854
2943 my @bt = fork_call { 3855 my @bt = fork_call {
2944 @addr = map { sprintf "%x", $_ } @addr; 3856 @addr = map { sprintf "%x", $_ } @addr;
2945 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3857 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3858 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947 or die "addr2line: $!"; 3859 or die "addr2line: $!";

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