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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.258 by root, Sat Apr 21 17:43:42 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
71 93
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 97our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
79 99
80our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 104our $DB_ENV;
82 105
83our %CFG; 106our %CFG;
84 107
85our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 109our $RUNTIME;
110our $NOW;
87 111
88our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
91 115
92# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
118
119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes
94 123
95binmode STDOUT; 124binmode STDOUT;
96binmode STDERR; 125binmode STDERR;
97 126
98# read virtual server time, if available 127# read virtual server time, if available
139 168
140=item $cf::TICK 169=item $cf::TICK
141 170
142The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
143 172
173=item $cf::LOADAVG
174
175The current CPU load on the server (alpha-smoothed), as a value between 0
176(none) and 1 (overloaded), indicating how much time is spent on processing
177objects per tick. Healthy values are < 0.5.
178
179=item $cf::LOAD
180
181The raw value load value from the last tick.
182
144=item %cf::CFG 183=item %cf::CFG
145 184
146Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 186from wherever your confdir points to.
148 187
149=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
150 189
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 191returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
155=back 200=back
156 201
157=cut 202=cut
158 203
159BEGIN { 204BEGIN {
163 $msg .= "\n" 208 $msg .= "\n"
164 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
165 210
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 212
168 utf8::encode $msg;
169 LOG llevError, $msg; 213 LOG llevError, $msg;
170 }; 214 };
171} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
172 231
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 239
180# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 241# within the Safe compartment.
182for my $pkg (qw( 242for my $pkg (qw(
183 cf::global cf::attachable 243 cf::global cf::attachable
188)) { 248)) {
189 no strict 'refs'; 249 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 251}
192 252
193$Event::DIED = sub { 253$EV::DIED = sub {
194 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
195}; 255};
256
257#############################################################################
196 258
197=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
198 260
199=over 4 261=over 4
200 262
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 282 $d
221 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
222} 284}
223 285
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
227 287
228Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
229 289
230=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
231 291
232Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
233 300
234=item cf::lock_wait $string 301=item cf::lock_wait $string
235 302
236Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
237 304
240Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
243returned. 310returned.
244 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
245Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
247 317
248=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
249 319
250Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
251 321
252=cut 322=cut
253 323
254our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
255 326
256sub lock_wait($) { 327sub lock_wait($) {
257 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
258 334
259 # wait for lock, if any 335 # wait for lock, if any
260 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule; 338 Coro::schedule;
268 344
269 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
270 lock_wait $key; 346 lock_wait $key;
271 347
272 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
273 350
274 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
275 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
277 } 355 }
278} 356}
279 357
282 360
283 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
284} 362}
285 363
286sub freeze_mainloop { 364sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
288 366
289 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
290 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
291 }; 428 }
292 $TICK_WATCHER->stop; 429};
293 $guard 430
431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
294} 443}
295 444
296=item cf::async { BLOCK } 445=item cf::async { BLOCK }
297 446
298Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
303 452
304BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
305 454
306=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
307 456
308The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
311 461
312If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
315fast or be very important. 465fast or be very important.
318 468
319sub sync_job(&) { 469sub sync_job(&) {
320 my ($job) = @_; 470 my ($job) = @_;
321 471
322 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
473 my $time = EV::time;
474
323 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
325 477
326 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 479
328 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
329 481
330 my $busy = 1; 482 my $busy = 1;
331 my @res; 483 my @res;
332 484
333 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 487 @res = eval { $job->() };
335 warn $@ if $@; 488 warn $@ if $@;
336 undef $busy; 489 undef $busy;
337 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
338 491
339 while ($busy) { 492 while ($busy) {
340 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
341 } 497 }
498 }
499
500 my $time = EV::time - $time;
501
502 $TICK_START += $time; # do not account sync jobs to server load
342 503
343 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
344 } else { 505 } else {
345 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
346 507
366 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
367 528
368 $coro 529 $coro
369} 530}
370 531
371sub write_runtime { 532=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 533
374 my $runtime = "$LOCALDIR/runtime"; 534Executes the given code block with the given arguments in a seperate
535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
375 538
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 539=cut
377 or return;
378 540
379 my $value = $cf::RUNTIME + 90 + 10; 541sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 542 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 543
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544 # we seemingly have to make a local copy of the whole thing,
384 and return; 545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
385 547
386 # always fsync - this file is important 548 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 549 reset_signals;
388 and return; 550 &$cb
551 }, @args;
389 552
390 close $fh 553 wantarray ? @res : $res[-1]
391 or return; 554}
392 555
393 aio_rename "$runtime~", $runtime 556=item $coin = coin_from_name $name
394 and return;
395 557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
582
583=item $value = cf::db_get $family => $key
584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
610 };
611 cf::cleanup "db_open(db): $@" if $@;
612
613 $db
614}
615
616our $DB;
617
618sub db_init {
619 cf::sync_job {
620 $DB ||= db_table "db";
621 };
622}
623
624sub db_get($$) {
625 my $key = "$_[0]/$_[1]";
626
627 cf::sync_job {
628 BDB::db_get $DB, undef, $key, my $data;
629
630 $! ? ()
631 : $data
396 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
397} 708}
398 709
399=item cf::datalog type => key => value, ... 710=item cf::datalog type => key => value, ...
400 711
401Log a datalog packet of the given type with the given key-value pairs. 712Log a datalog packet of the given type with the given key-value pairs.
419attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
421 732
422In the following description, CLASS can be any of C<global>, C<object> 733In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 734C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 735Deliantra).
425 736
426=over 4 737=over 4
427 738
428=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
429 740
592 $registry = $CB_TYPE[$object_type] ||= []; 903 $registry = $CB_TYPE[$object_type] ||= [];
593 904
594 } elsif ($type eq "subtype") { 905 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 906 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 907 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 908 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 909
599 } elsif ($type eq "package") { 910 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 911 my $pkg = shift @arg;
601 912
602 while (my ($name, $id) = each %cb_id) { 913 while (my ($name, $id) = each %cb_id) {
631 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
632 } 943 }
633 944
634 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
635 } else { 946 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 948 }
638 949
639 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
640} 951}
641 952
643 if (ref $_[0]) { 954 if (ref $_[0]) {
644 _object_attach @_; 955 _object_attach @_;
645 } else { 956 } else {
646 _attach shift->_attach_registry, @_; 957 _attach shift->_attach_registry, @_;
647 } 958 }
959 _recalc_want;
648}; 960};
649 961
650# all those should be optimised 962# all those should be optimised
651sub cf::attachable::detach { 963sub cf::attachable::detach {
652 my ($obj, $name) = @_; 964 my ($obj, $name) = @_;
655 delete $obj->{_attachment}{$name}; 967 delete $obj->{_attachment}{$name};
656 reattach ($obj); 968 reattach ($obj);
657 } else { 969 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 970 Carp::croak "cannot, currently, detach class attachments";
659 } 971 }
972 _recalc_want;
660}; 973};
661 974
662sub cf::attachable::attached { 975sub cf::attachable::attached {
663 my ($obj, $name) = @_; 976 my ($obj, $name) = @_;
664 977
679 "; 992 ";
680 die if $@; 993 die if $@;
681} 994}
682 995
683our $override; 996our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 998
686sub override { 999sub override {
687 $override = 1; 1000 $override = 1;
688 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
689} 1002}
690 1003
691sub do_invoke { 1004sub do_invoke {
692 my $event = shift; 1005 my $event = shift;
693 my $callbacks = shift; 1006 my $callbacks = shift;
694 1007
695 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
696 1009
697 local $override; 1010 local $override;
698 1011
699 for (@$callbacks) { 1012 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
709 } 1022 }
710 1023
711 0 1024 0
712} 1025}
713 1026
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1028
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1030
718Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
719 1032
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1034removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1036
724=back 1037=back
725 1038
726=cut 1039=cut
727 1040
728############################################################################# 1041#############################################################################
729# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
730 1085
731sub reattach { 1086sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1088 my ($obj) = @_;
734 1089
755cf::attachable->attach ( 1110cf::attachable->attach (
756 prio => -1000000, 1111 prio => -1000000,
757 on_instantiate => sub { 1112 on_instantiate => sub {
758 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
759 1114
760 $data = from_json $data; 1115 $data = decode_json $data;
761 1116
762 for (@$data) { 1117 for (@$data) {
763 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
764 1119
765 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
781sub object_freezer_save { 1136sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
783 1138
784 sync_job { 1139 sync_job {
785 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
788 1144
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
793 close $fh; 1149 aio_close $fh;
794 1150
795 if (@$objs) { 1151 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
801 close $fh; 1157 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
803 } 1159 }
804 } else { 1160 } else {
805 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
806 } 1162 }
811 } 1167 }
812 } else { 1168 } else {
813 aio_unlink $filename; 1169 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
815 } 1171 }
816 } 1172 };
817} 1173}
818 1174
819sub object_freezer_as_string { 1175sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
821 1177
833 or return; 1189 or return;
834 1190
835 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
837 or return; 1193 or return;
1194
838 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
839 } 1197 }
840 1198
1199 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
843 return ($data, $av); 1203 ($data, $av)
844} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
845 1211
846############################################################################# 1212#############################################################################
847# command handling &c 1213# command handling &c
848 1214
849=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1229}
864 1230
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1232
867Register a callbackf ro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
868 1238
869If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
870called. 1240called.
871 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
872=cut 1253=cut
873 1254
874sub register_extcmd { 1255sub register_extcmd {
875 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
876 1257
877 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
878} 1265}
879 1266
880cf::player->attach ( 1267cf::player->attach (
881 on_command => sub { 1268 on_command => sub {
882 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
891 cf::override; 1278 cf::override;
892 }, 1279 },
893 on_extcmd => sub { 1280 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
895 1282
896 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1284
898 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
904 } else { 1300 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1302 }
907 1303
908 cf::override; 1304 cf::override;
909 }, 1305 },
910); 1306);
911 1307
912sub load_extension {
913 my ($path) = @_;
914
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
916 my $base = $1;
917 my $pkg = $1;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 }
940 die $@;
941 }
942
943 push @EXTS, $pkg;
944}
945
946sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
947 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1313 next unless -r $path;
949 eval { 1314
950 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
951 1 1371 }
952 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
953 } 1377 };
954} 1378}
955 1379
956############################################################################# 1380#############################################################################
957 1381
1382=back
1383
958=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
959 1385
960Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
961 1387
962=cut 1388=cut
966use Coro::AIO; 1392use Coro::AIO;
967 1393
968=head3 cf::player 1394=head3 cf::player
969 1395
970=over 4 1396=over 4
1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
971 1411
972=item cf::player::find $login 1412=item cf::player::find $login
973 1413
974Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
975 1415
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1454 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1455
1016 my $pl = load_pl path $login 1456 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461
1462 local $cf::PLAYER_LOADING{$login} = $pl;
1463 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
1019 } 1465 }
1020 } 1466 }
1021} 1467}
1022 1468
1031 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1032 1478
1033 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1035 1481
1482 cf::get_slot 0.01;
1483
1036 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1037 Coro::cede; 1485 cf::cede_to_tick;
1038} 1486}
1039 1487
1040sub new($) { 1488sub new($) {
1041 my ($login) = @_; 1489 my ($login) = @_;
1042 1490
1048 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1049 1497
1050 $self 1498 $self
1051} 1499}
1052 1500
1501=item $player->send_msg ($channel, $msg, $color, [extra...])
1502
1503=cut
1504
1505sub send_msg {
1506 my $ns = shift->ns
1507 or return;
1508 $ns->send_msg (@_);
1509}
1510
1053=item $pl->quit_character 1511=item $pl->quit_character
1054 1512
1055Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1514be destroyed. May block for a long time.
1057 1515
1065 $pl->{deny_save} = 1; 1523 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1524 $pl->password ("*"); # this should lock out the player until we nuked the dir
1067 1525
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1526 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1527 $pl->deactivate;
1528 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1530 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1531 $pl->ns->destroy if $pl->ns;
1072 1532
1073 my $path = playerdir $pl; 1533 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1534 my $temp = "$path~$cf::RUNTIME~deleting~";
1110 or return []; 1570 or return [];
1111 1571
1112 my @logins; 1572 my @logins;
1113 1573
1114 for my $login (@$dirs) { 1574 for my $login (@$dirs) {
1575 my $path = path $login;
1576
1577 # a .pst is a dead give-away for a valid player
1578 # if no pst file found, open and chekc for blocked users
1579 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1580 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1581 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1582 $buf !~ /^password -------------$/m or next; # official not-valid tag
1583 }
1118 1584
1119 utf8::decode $login; 1585 utf8::decode $login;
1120 push @logins, $login; 1586 push @logins, $login;
1121 } 1587 }
1122 1588
1149 } 1615 }
1150 1616
1151 \@paths 1617 \@paths
1152} 1618}
1153 1619
1620=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1621
1622Expand crossfire pod fragments into protocol xml.
1623
1624=cut
1625
1626use re 'eval';
1627
1628my $group;
1629my $interior; $interior = qr{
1630 # match a pod interior sequence sans C<< >>
1631 (?:
1632 \ (.*?)\ (?{ $group = $^N })
1633 | < (??{$interior}) >
1634 )
1635}x;
1636
1637sub expand_cfpod {
1638 my ($self, $pod) = @_;
1639
1640 my $xml;
1641
1642 while () {
1643 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644 $group = $1;
1645
1646 $group =~ s/&/&amp;/g;
1647 $group =~ s/</&lt;/g;
1648
1649 $xml .= $group;
1650 } elsif ($pod =~ m%\G
1651 ([BCGHITU])
1652 <
1653 (?:
1654 ([^<>]*) (?{ $group = $^N })
1655 | < $interior >
1656 )
1657 >
1658 %gcsx
1659 ) {
1660 my ($code, $data) = ($1, $group);
1661
1662 if ($code eq "B") {
1663 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664 } elsif ($code eq "I") {
1665 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666 } elsif ($code eq "U") {
1667 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668 } elsif ($code eq "C") {
1669 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670 } elsif ($code eq "T") {
1671 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672 } elsif ($code eq "G") {
1673 my ($male, $female) = split /\|/, $data;
1674 $data = $self->gender ? $female : $male;
1675 $xml .= expand_cfpod ($self, $data);
1676 } elsif ($code eq "H") {
1677 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679 "")
1680 [$self->{hintmode}];
1681 } else {
1682 $xml .= "error processing '$code($data)' directive";
1683 }
1684 } else {
1685 if ($pod =~ /\G(.+)/) {
1686 warn "parse error while expanding $pod (at $1)";
1687 }
1688 last;
1689 }
1690 }
1691
1692 for ($xml) {
1693 # create single paragraphs (very hackish)
1694 s/(?<=\S)\n(?=\w)/ /g;
1695
1696 # compress some whitespace
1697 s/\s+\n/\n/g; # ws line-ends
1698 s/\n\n+/\n/g; # double lines
1699 s/^\n+//; # beginning lines
1700 s/\n+$//; # ending lines
1701 }
1702
1703 $xml
1704}
1705
1706no re 'eval';
1707
1708sub hintmode {
1709 $_[0]{hintmode} = $_[1] if @_ > 1;
1710 $_[0]{hintmode}
1711}
1712
1154=item $player->ext_reply ($msgid, %msg) 1713=item $player->ext_reply ($msgid, @msg)
1155 1714
1156Sends an ext reply to the player. 1715Sends an ext reply to the player.
1157 1716
1158=cut 1717=cut
1159 1718
1160sub ext_reply($$%) { 1719sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1720 my ($self, $id, @msg) = @_;
1162 1721
1163 $msg{msgid} = $id; 1722 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1723}
1167 1724
1168=item $player->ext_event ($type, %msg) 1725=item $player->ext_msg ($type, @msg)
1169 1726
1170Sends an ext event to the client. 1727Sends an ext event to the client.
1171 1728
1172=cut 1729=cut
1173 1730
1174sub ext_event($$%) { 1731sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1732 my ($self, $type, @msg) = @_;
1176 1733
1177 $self->ns->ext_event ($type, %msg); 1734 $self->ns->ext_msg ($type, @msg);
1178} 1735}
1179 1736
1180=head3 cf::region 1737=head3 cf::region
1181 1738
1182=over 4 1739=over 4
1185 1742
1186package cf::region; 1743package cf::region;
1187 1744
1188=item cf::region::find_by_path $path 1745=item cf::region::find_by_path $path
1189 1746
1190Tries to decuce the probable region for a map knowing only its path. 1747Tries to decuce the likely region for a map knowing only its path.
1191 1748
1192=cut 1749=cut
1193 1750
1194sub find_by_path($) { 1751sub find_by_path($) {
1195 my ($path) = @_; 1752 my ($path) = @_;
1196 1753
1197 my ($match, $specificity); 1754 my ($match, $specificity);
1198 1755
1199 for my $region (list) { 1756 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1757 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1758 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1759 if $region->specificity > $specificity;
1203 } 1760 }
1204 } 1761 }
1205 1762
1226our $MAX_RESET = 3600; 1783our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1784our $DEFAULT_RESET = 3000;
1228 1785
1229sub generate_random_map { 1786sub generate_random_map {
1230 my ($self, $rmp) = @_; 1787 my ($self, $rmp) = @_;
1788
1789 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1790
1231 # mit "rum" bekleckern, nicht 1791 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1792 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1793 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1794 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1795 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1269 my ($self, $merge) = @_; 1829 my ($self, $merge) = @_;
1270 1830
1271 # we have to keep some variables in memory intact 1831 # we have to keep some variables in memory intact
1272 local $self->{path}; 1832 local $self->{path};
1273 local $self->{load_path}; 1833 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1834
1277 $self->SUPER::thawer_merge ($merge); 1835 $self->SUPER::thawer_merge ($merge);
1278} 1836}
1279 1837
1280sub normalise { 1838sub normalise {
1327 $self->init; # pass $1 etc. 1885 $self->init; # pass $1 etc.
1328 return $self; 1886 return $self;
1329 } 1887 }
1330 } 1888 }
1331 1889
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1890 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1891 ()
1334} 1892}
1335 1893
1336sub init { 1894sub init {
1337 my ($self) = @_; 1895 my ($self) = @_;
1359 1917
1360# the temporary/swap location 1918# the temporary/swap location
1361sub save_path { 1919sub save_path {
1362 my ($self) = @_; 1920 my ($self) = @_;
1363 1921
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1922 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1923 "$TMPDIR/$path.map"
1366} 1924}
1367 1925
1368# the unique path, undef == no special unique path 1926# the unique path, undef == no special unique path
1369sub uniq_path { 1927sub uniq_path {
1370 my ($self) = @_; 1928 my ($self) = @_;
1371 1929
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1930 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1931 "$UNIQUEDIR/$path"
1374} 1932}
1375 1933
1376# and all this just because we cannot iterate over 1934# and all this just because we cannot iterate over
1377# all maps in C++... 1935# all maps in C++...
1380 1938
1381 $_->change_map_light ($change) 1939 $_->change_map_light ($change)
1382 for grep $_->outdoor, values %cf::MAP; 1940 for grep $_->outdoor, values %cf::MAP;
1383} 1941}
1384 1942
1943sub decay_objects {
1944 my ($self) = @_;
1945
1946 return if $self->{deny_reset};
1947
1948 $self->do_decay_objects;
1949}
1950
1385sub unlink_save { 1951sub unlink_save {
1386 my ($self) = @_; 1952 my ($self) = @_;
1387 1953
1388 utf8::encode (my $save = $self->save_path); 1954 utf8::encode (my $save = $self->save_path);
1389 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1955 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1392 1958
1393sub load_header_from($) { 1959sub load_header_from($) {
1394 my ($self, $path) = @_; 1960 my ($self, $path) = @_;
1395 1961
1396 utf8::encode $path; 1962 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1963 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 1964 or return;
1965
1966 $self->_load_header ($f)
1967 or return;
1968
1969 local $MAP_LOADING{$self->{path}} = $self;
1970 $f->resolve_delayed_derefs;
1402 1971
1403 $self->{load_path} = $path; 1972 $self->{load_path} = $path;
1404 1973
1405 1 1974 1
1406} 1975}
1445 $self->load_header_orig 2014 $self->load_header_orig
1446 or return; 2015 or return;
1447 $self->prepare_orig; 2016 $self->prepare_orig;
1448 } 2017 }
1449 2018
2019 $self->{deny_reset} = 1
2020 if $self->no_reset;
2021
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2022 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2023 unless $self->default_region;
1452 2024
1453 1 2025 1
1454} 2026}
1457sub find { 2029sub find {
1458 my ($path, $origin) = @_; 2030 my ($path, $origin) = @_;
1459 2031
1460 $path = normalise $path, $origin && $origin->path; 2032 $path = normalise $path, $origin && $origin->path;
1461 2033
2034 cf::lock_wait "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2035 cf::lock_wait "map_find:$path";
1463 2036
1464 $cf::MAP{$path} || do { 2037 $cf::MAP{$path} || do {
2038 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1465 my $guard = cf::lock_acquire "map_find:$path"; 2039 my $guard2 = cf::lock_acquire "map_find:$path";
2040
1466 my $map = new_from_path cf::map $path 2041 my $map = new_from_path cf::map $path
1467 or return; 2042 or return;
1468 2043
1469 $map->{last_save} = $cf::RUNTIME; 2044 $map->{last_save} = $cf::RUNTIME;
1470 2045
1471 $map->load_header 2046 $map->load_header
1472 or return; 2047 or return;
1473 2048
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2049 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2050 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2051 #$cf::WAIT_FOR_TICK->wait;
2052 undef $guard2;
2053 undef $guard1;
1477 $map->reset; 2054 $map->reset;
1478 undef $guard;
1479 return find $path; 2055 return find $path;
1480 } 2056 }
1481 2057
1482 $cf::MAP{$path} = $map 2058 $cf::MAP{$path} = $map
1483 } 2059 }
1492 local $self->{deny_reset} = 1; # loading can take a long time 2068 local $self->{deny_reset} = 1; # loading can take a long time
1493 2069
1494 my $path = $self->{path}; 2070 my $path = $self->{path};
1495 2071
1496 { 2072 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2073 my $guard = cf::lock_acquire "map_data:$path";
1498 2074
2075 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2076 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2077
1501 $self->in_memory (cf::MAP_LOADING); 2078 $self->in_memory (cf::MAP_LOADING);
1502 2079
1503 $self->alloc; 2080 $self->alloc;
1504 2081
1505 $self->pre_load; 2082 $self->pre_load;
1506 Coro::cede; 2083 cf::cede_to_tick;
1507 2084
2085 my $f = new_from_file cf::object::thawer $self->{load_path};
2086 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2087 $self->_load_objects ($f)
1509 or return; 2088 or return;
1510 2089
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2090 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1512 if delete $self->{load_original}; 2091 if delete $self->{load_original};
1513 2092
1514 if (my $uniq = $self->uniq_path) { 2093 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2094 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2095 unless (aio_stat $uniq) {
2096 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2097 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2098 $self->_load_objects ($f);
2099 $f->resolve_delayed_derefs;
2100 }
1519 } 2101 }
1520 } 2102 }
1521 2103
1522 Coro::cede; 2104 $f->resolve_delayed_derefs;
2105
2106 cf::cede_to_tick;
1523 # now do the right thing for maps 2107 # now do the right thing for maps
1524 $self->link_multipart_objects; 2108 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2109 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2110 unless $self->difficulty;
1527 Coro::cede; 2111 cf::cede_to_tick;
1528 2112
1529 unless ($self->{deny_activate}) { 2113 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2114 $self->decay_objects;
1531 $self->fix_auto_apply; 2115 $self->fix_auto_apply;
1532 $self->update_buttons; 2116 $self->update_buttons;
1533 Coro::cede; 2117 cf::cede_to_tick;
1534 $self->set_darkness_map; 2118 $self->set_darkness_map;
1535 Coro::cede; 2119 cf::cede_to_tick;
1536 $self->activate; 2120 $self->activate;
1537 } 2121 }
1538 2122
2123 $self->{last_save} = $cf::RUNTIME;
2124 $self->last_access ($cf::RUNTIME);
2125
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2126 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2127 }
1541 2128
1542 $self->post_load; 2129 $self->post_load;
1543} 2130}
1544 2131
1546 my ($self, $ob) = @_; 2133 my ($self, $ob) = @_;
1547 2134
1548 return find "~" . $ob->name . "/" . $self->{path} 2135 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2136 if $self->per_player;
1550 2137
2138# return find "?party/" . $ob->name . "/" . $self->{path}
2139# if $self->per_party;
2140
1551 $self 2141 $self
1552} 2142}
1553 2143
1554# find and load all maps in the 3x3 area around a map 2144# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2145sub load_neighbours {
1556 my ($map) = @_; 2146 my ($map) = @_;
1557 2147
1558 my @diag; # diagonal neighbours 2148 my @neigh; # diagonal neighbours
1559 2149
1560 for (0 .. 3) { 2150 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2151 my $neigh = $map->tile_path ($_)
1562 or next; 2152 or next;
1563 $neigh = find $neigh, $map 2153 $neigh = find $neigh, $map
1564 or next; 2154 or next;
1565 $neigh->load; 2155 $neigh->load;
1566 2156
2157 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2158 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2159 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2160 }
1570 2161
1571 for (@diag) { 2162 for (grep defined $_->[0], @neigh) {
2163 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2164 my $neigh = find $path, $origin
1573 or next; 2165 or next;
1574 $neigh->load; 2166 $neigh->load;
1575 } 2167 }
1576} 2168}
1577 2169
1582} 2174}
1583 2175
1584sub do_load_sync { 2176sub do_load_sync {
1585 my ($map) = @_; 2177 my ($map) = @_;
1586 2178
2179 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2180 if $Coro::current == $Coro::main;
2181
1587 cf::sync_job { $map->load }; 2182 cf::sync_job { $map->load };
1588} 2183}
1589 2184
1590our %MAP_PREFETCH; 2185our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2186our $MAP_PREFETCHER = undef;
1592 2187
1593sub find_async { 2188sub find_async {
1594 my ($path, $origin) = @_; 2189 my ($path, $origin, $load) = @_;
1595 2190
1596 $path = normalise $path, $origin && $origin->{path}; 2191 $path = normalise $path, $origin && $origin->{path};
1597 2192
1598 if (my $map = $cf::MAP{$path}) { 2193 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2194 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2195 }
1601 2196
1602 undef $MAP_PREFETCH{$path}; 2197 $MAP_PREFETCH{$path} |= $load;
2198
1603 $MAP_PREFETCHER ||= cf::async { 2199 $MAP_PREFETCHER ||= cf::async {
2200 $Coro::current->{desc} = "map prefetcher";
2201
1604 while (%MAP_PREFETCH) { 2202 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2203 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2204 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2205 $map->load if $v;
2206 }
1609 2207
1610 delete $MAP_PREFETCH{$path}; 2208 delete $MAP_PREFETCH{$k};
1611 } 2209 }
1612 } 2210 }
1613 undef $MAP_PREFETCHER; 2211 undef $MAP_PREFETCHER;
1614 }; 2212 };
1615 $MAP_PREFETCHER->prio (6); 2213 $MAP_PREFETCHER->prio (6);
1618} 2216}
1619 2217
1620sub save { 2218sub save {
1621 my ($self) = @_; 2219 my ($self) = @_;
1622 2220
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2222
1625 $self->{last_save} = $cf::RUNTIME; 2223 $self->{last_save} = $cf::RUNTIME;
1626 2224
1627 return unless $self->dirty; 2225 return unless $self->dirty;
1628 2226
1634 return if $self->{deny_save}; 2232 return if $self->{deny_save};
1635 2233
1636 local $self->{last_access} = $self->last_access;#d# 2234 local $self->{last_access} = $self->last_access;#d#
1637 2235
1638 cf::async { 2236 cf::async {
2237 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2238 $_->contr->save for $self->players;
1640 }; 2239 };
2240
2241 cf::get_slot 0.02;
1641 2242
1642 if ($uniq) { 2243 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2244 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2245 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2246 } else {
1651 my ($self) = @_; 2252 my ($self) = @_;
1652 2253
1653 # save first because save cedes 2254 # save first because save cedes
1654 $self->save; 2255 $self->save;
1655 2256
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2258
1658 return if $self->players; 2259 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2260 return if $self->in_memory != cf::MAP_ACTIVE;
1660 return if $self->{deny_save}; 2261 return if $self->{deny_save};
1661 2262
2263 $self->in_memory (cf::MAP_SWAPPED);
2264
2265 $self->deactivate;
2266 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2267 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2268}
1665 2269
1666sub reset_at { 2270sub reset_at {
1667 my ($self) = @_; 2271 my ($self) = @_;
1668 2272
1669 # TODO: safety, remove and allow resettable per-player maps 2273 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2274 return 1e99 if $self->{deny_reset};
1672 2275
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2276 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2277 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2278
1686 my ($self) = @_; 2289 my ($self) = @_;
1687 2290
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2291 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2292
1690 return if $self->players; 2293 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2294
1693 warn "resetting map ", $self->path;#d# 2295 warn "resetting map ", $self->path;
1694 2296
1695 $self->in_memory (cf::MAP_SWAPPED); 2297 $self->in_memory (cf::MAP_SWAPPED);
1696 2298
1697 # need to save uniques path 2299 # need to save uniques path
1698 unless ($self->{deny_save}) { 2300 unless ($self->{deny_save}) {
1702 if $uniq; 2304 if $uniq;
1703 } 2305 }
1704 2306
1705 delete $cf::MAP{$self->path}; 2307 delete $cf::MAP{$self->path};
1706 2308
2309 $self->deactivate;
2310 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2311 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2312
1711 $self->unlink_save; 2313 $self->unlink_save;
1712 $self->destroy; 2314 $self->destroy;
1713} 2315}
1714 2316
1715my $nuke_counter = "aaaa"; 2317my $nuke_counter = "aaaa";
1716 2318
1717sub nuke { 2319sub nuke {
1718 my ($self) = @_; 2320 my ($self) = @_;
1719 2321
2322 {
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
1720 delete $cf::MAP{$self->path}; 2325 delete $cf::MAP{$self->path};
1721 2326
1722 $self->unlink_save; 2327 $self->unlink_save;
1723 2328
1724 bless $self, "cf::map"; 2329 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2330 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2331 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2332 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2333 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2334
1730 $cf::MAP{$self->path} = $self; 2335 $cf::MAP{$self->path} = $self;
2336 }
1731 2337
1732 $self->reset; # polite request, might not happen 2338 $self->reset; # polite request, might not happen
2339}
2340
2341=item $maps = cf::map::tmp_maps
2342
2343Returns an arrayref with all map paths of currently instantiated and saved
2344maps. May block.
2345
2346=cut
2347
2348sub tmp_maps() {
2349 [
2350 map {
2351 utf8::decode $_;
2352 /\.map$/
2353 ? normalise $_
2354 : ()
2355 } @{ aio_readdir $TMPDIR or [] }
2356 ]
2357}
2358
2359=item $maps = cf::map::random_maps
2360
2361Returns an arrayref with all map paths of currently instantiated and saved
2362random maps. May block.
2363
2364=cut
2365
2366sub random_maps() {
2367 [
2368 map {
2369 utf8::decode $_;
2370 /\.map$/
2371 ? normalise "?random/$_"
2372 : ()
2373 } @{ aio_readdir $RANDOMDIR or [] }
2374 ]
1733} 2375}
1734 2376
1735=item cf::map::unique_maps 2377=item cf::map::unique_maps
1736 2378
1737Returns an arrayref of paths of all shared maps that have 2379Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2380instantiated unique items. May block.
1739 2381
1740=cut 2382=cut
1741 2383
1742sub unique_maps() { 2384sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2385 [
1744 or return; 2386 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2387 utf8::decode $_;
1750 next if /\.pst$/; 2388 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2389 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2390 ? ()
1753 push @paths, cf::map::normalise $_; 2391 : normalise $_
2392 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2393 ]
1755
1756 \@paths
1757} 2394}
1758
1759package cf;
1760 2395
1761=back 2396=back
1762 2397
1763=head3 cf::object 2398=head3 cf::object
1764 2399
1768 2403
1769=over 4 2404=over 4
1770 2405
1771=item $ob->inv_recursive 2406=item $ob->inv_recursive
1772 2407
1773Returns the inventory of the object _and_ their inventories, recursively. 2408Returns the inventory of the object I<and> their inventories, recursively,
2409but I<not> the object itself.
1774 2410
1775=cut 2411=cut
1776 2412
1777sub inv_recursive_; 2413sub inv_recursive_;
1778sub inv_recursive_ { 2414sub inv_recursive_ {
1781 2417
1782sub inv_recursive { 2418sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2419 inv_recursive_ inv $_[0]
1784} 2420}
1785 2421
2422=item $ref = $ob->ref
2423
2424Creates and returns a persistent reference to an object that can be stored as a string.
2425
2426=item $ob = cf::object::deref ($refstring)
2427
2428returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2429even if the object actually exists. May block.
2430
2431=cut
2432
2433sub deref {
2434 my ($ref) = @_;
2435
2436 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2437 my ($uuid, $name) = ($1, $2);
2438 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2439 or return;
2440 $pl->ob->uuid eq $uuid
2441 or return;
2442
2443 $pl->ob
2444 } else {
2445 warn "$ref: cannot resolve object reference\n";
2446 undef
2447 }
2448}
2449
1786package cf; 2450package cf;
1787 2451
1788=back 2452=back
1789 2453
1790=head3 cf::object::player 2454=head3 cf::object::player
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2460Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2461can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2462dialogue with the given NPC character.
1799 2463
1800=cut 2464=cut
2465
2466our $SAY_CHANNEL = {
2467 id => "say",
2468 title => "Map",
2469 reply => "say ",
2470 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2471};
2472
2473our $CHAT_CHANNEL = {
2474 id => "chat",
2475 title => "Chat",
2476 reply => "chat ",
2477 tooltip => "Player chat and shouts, global to the server.",
2478};
1801 2479
1802# rough implementation of a future "reply" method that works 2480# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2481# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2482#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2483sub cf::object::player::reply($$$;$) {
1807 2485
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2486 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2487
1810 if ($self->{record_replies}) { 2488 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2489 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2490
1812 } else { 2491 } else {
2492 my $pl = $self->contr;
2493
2494 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2495 my $dialog = $pl->{npc_dialog};
2496 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2497
2498 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2499 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2500 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2501 }
1815 } 2502 }
2503}
2504
2505=item $object->send_msg ($channel, $msg, $color, [extra...])
2506
2507=cut
2508
2509sub cf::object::send_msg {
2510 my $pl = shift->contr
2511 or return;
2512 $pl->send_msg (@_);
1816} 2513}
1817 2514
1818=item $player_object->may ("access") 2515=item $player_object->may ("access")
1819 2516
1820Returns wether the given player is authorized to access resource "access" 2517Returns wether the given player is authorized to access resource "access"
1862} 2559}
1863 2560
1864sub cf::object::player::enter_link { 2561sub cf::object::player::enter_link {
1865 my ($self) = @_; 2562 my ($self) = @_;
1866 2563
1867 $self->activate_recursive; 2564 $self->deactivate_recursive;
1868 2565
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2566 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2567
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2569 if $self->map && $self->map->{path} ne "{link}";
1873 2570
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2571 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1875} 2572}
1876 2573
1877sub cf::object::player::leave_link { 2574sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2575 my ($self, $map, $x, $y) = @_;
2576
2577 return unless $self->contr->active;
1879 2578
1880 my $link_pos = delete $self->{_link_pos}; 2579 my $link_pos = delete $self->{_link_pos};
1881 2580
1882 unless ($map) { 2581 unless ($map) {
1883 # restore original map position 2582 # restore original map position
1897 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2598 if $x <=0 && $y <= 0;
1900 2599
1901 $map->load; 2600 $map->load;
1902 $map->load_diag; 2601 $map->load_neighbours;
1903 2602
1904 return unless $self->contr->active; 2603 return unless $self->contr->active;
1905 $self->activate_recursive; 2604 $self->activate_recursive;
1906 2605
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2606 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2607 $self->enter_map ($map, $x, $y);
1909} 2608}
1910 2609
1911cf::player->attach ( 2610=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1912 on_logout => sub {
1913 my ($pl) = @_;
1914 2611
1915 # abort map switching before logout 2612Moves the player to the given map-path and coordinates by first freezing
1916 if ($pl->ob->{_link_pos}) { 2613her, loading and preparing them map, calling the provided $check callback
1917 cf::sync_job { 2614that has to return the map if sucecssful, and then unfreezes the player on
1918 $pl->ob->leave_link 2615the new (success) or old (failed) map position. In either case, $done will
1919 }; 2616be called at the end of this process.
1920 }
1921 },
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2617
1925 # try to abort aborted map switching on player login :)
1926 # should happen only on crashes
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942
1943=item $player_object->goto ($path, $x, $y)
1944
1945=cut 2618=cut
2619
2620our $GOTOGEN;
1946 2621
1947sub cf::object::player::goto { 2622sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2623 my ($self, $path, $x, $y, $check, $done) = @_;
2624
2625 # do generation counting so two concurrent goto's will be executed in-order
2626 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2627
1950 $self->enter_link; 2628 $self->enter_link;
1951 2629
1952 (async { 2630 (async {
2631 $Coro::current->{desc} = "player::goto $path $x $y";
2632
2633 # *tag paths override both path and x|y
2634 if ($path =~ /^\*(.*)$/) {
2635 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2636 my $ob = $obs[rand @obs];
2637
2638 # see if we actually can go there
2639 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2640 $ob = $obs[rand @obs];
2641 } else {
2642 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2643 }
2644 # else put us there anyways for now #d#
2645
2646 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2647 } else {
2648 ($path, $x, $y) = (undef, undef, undef);
2649 }
2650 }
2651
1953 my $map = eval { 2652 my $map = eval {
1954 my $map = cf::map::find $path; 2653 my $map = defined $path ? cf::map::find $path : undef;
2654
2655 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2656 $map = $map->customise_for ($self);
2657 $map = $check->($map) if $check && $map;
2658 } else {
2659 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2660 }
2661
1956 $map 2662 $map
2663 };
2664
2665 if ($@) {
2666 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2667 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2668 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2669
2670 if ($gen == $self->{_goto_generation}) {
2671 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2672 $self->leave_link ($map, $x, $y);
2673 }
2674
2675 $done->() if $done;
1961 })->prio (1); 2676 })->prio (1);
1962} 2677}
1963 2678
1964=item $player_object->enter_exit ($exit_object) 2679=item $player_object->enter_exit ($exit_object)
1965 2680
1985} 2700}
1986 2701
1987sub prepare_random_map { 2702sub prepare_random_map {
1988 my ($exit) = @_; 2703 my ($exit) = @_;
1989 2704
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2705 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2706 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2707 # that depends on the exit object
1995 2708
1996 my $rmp = parse_random_map_params $exit->msg; 2709 my $rmp = parse_random_map_params $exit->msg;
1998 if ($exit->map) { 2711 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2712 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2713 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2714 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
2716
2717 $exit->map->touch;
2003 } 2718 }
2004 2719
2005 $rmp->{random_seed} ||= $exit->random_seed; 2720 $rmp->{random_seed} ||= $exit->random_seed;
2006 2721
2007 my $data = cf::to_json $rmp; 2722 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2723 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2724 my $meta = "$RANDOMDIR/$md5.meta";
2010 2725
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2726 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2727 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2728 undef $fh;
2014 aio_rename "$meta~", $meta; 2729 aio_rename "$meta~", $meta;
2015 2730
2731 my $slaying = "?random/$md5";
2732
2733 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2734 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2735 $exit->msg (undef);
2736 }
2018 } 2737 }
2019} 2738}
2020 2739
2021sub cf::object::player::enter_exit { 2740sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2741 my ($self, $exit) = @_;
2023 2742
2024 return unless $self->type == cf::PLAYER; 2743 return unless $self->type == cf::PLAYER;
2025 2744
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2745 $self->enter_link;
2038 2746
2039 (async { 2747 (async {
2040 $self->deactivate_recursive; # just to be sure 2748 $Coro::current->{desc} = "enter_exit";
2749
2041 unless (eval { 2750 unless (eval {
2751 $self->deactivate_recursive; # just to be sure
2752
2753 # random map handling
2754 {
2755 my $guard = cf::lock_acquire "exit_prepare:$exit";
2756
2757 prepare_random_map $exit
2758 if $exit->slaying eq "/!";
2759 }
2760
2761 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2762 my $x = $exit->stats->hp;
2763 my $y = $exit->stats->sp;
2764
2042 $self->goto ($slaying, $hp, $sp); 2765 $self->goto ($map, $x, $y);
2043 2766
2767 # if exit is damned, update players death & WoR home-position
2768 $self->contr->savebed ($map, $x, $y)
2769 if $exit->flag (cf::FLAG_DAMNED);
2770
2044 1; 2771 1
2045 }) { 2772 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2773 $self->message ("Something went wrong deep within the crossfire server. "
2047 . "I'll try to bring you back to the map you were before. " 2774 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2775 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2776 cf::NDI_UNIQUE | cf::NDI_RED);
2070 2797
2071 utf8::encode $text; 2798 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2799 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2800}
2074 2801
2802=item $client->send_msg ($channel, $msg, $color, [extra...])
2803
2804Send a drawinfo or msg packet to the client, formatting the msg for the
2805client if neccessary. C<$type> should be a string identifying the type of
2806the message, with C<log> being the default. If C<$color> is negative, suppress
2807the message unless the client supports the msg packet.
2808
2809=cut
2810
2811# non-persistent channels (usually the info channel)
2812our %CHANNEL = (
2813 "c/identify" => {
2814 id => "infobox",
2815 title => "Identify",
2816 reply => undef,
2817 tooltip => "Items recently identified",
2818 },
2819 "c/examine" => {
2820 id => "infobox",
2821 title => "Examine",
2822 reply => undef,
2823 tooltip => "Signs and other items you examined",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/uptime" => {
2850 id => "infobox",
2851 title => "Uptime",
2852 reply => undef,
2853 tooltip => "How long the server has been running since last restart",
2854 },
2855 "c/mapinfo" => {
2856 id => "infobox",
2857 title => "Map Info",
2858 reply => undef,
2859 tooltip => "Information related to the maps",
2860 },
2861 "c/party" => {
2862 id => "party",
2863 title => "Party",
2864 reply => "gsay ",
2865 tooltip => "Messages and chat related to your party",
2866 },
2867);
2868
2869sub cf::client::send_msg {
2870 my ($self, $channel, $msg, $color, @extra) = @_;
2871
2872 $msg = $self->pl->expand_cfpod ($msg);
2873
2874 $color &= cf::NDI_CLIENT_MASK; # just in case...
2875
2876 # check predefined channels, for the benefit of C
2877 if ($CHANNEL{$channel}) {
2878 $channel = $CHANNEL{$channel};
2879
2880 $self->ext_msg (channel_info => $channel)
2881 if $self->can_msg;
2882
2883 $channel = $channel->{id};
2884
2885 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891 }
2892
2893 $channel = $channel->{id};
2894 }
2895
2896 return unless @extra || length $msg;
2897
2898 if ($self->can_msg) {
2899 # default colour, mask it out
2900 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901 if $color & cf::NDI_DEF;
2902
2903 $self->send_packet ("msg " . $self->{json_coder}->encode (
2904 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2905 } else {
2906 if ($color >= 0) {
2907 # replace some tags by gcfclient-compatible ones
2908 for ($msg) {
2909 1 while
2910 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915 }
2916
2917 $color &= cf::NDI_COLOR_MASK;
2918
2919 utf8::encode $msg;
2920
2921 if (0 && $msg =~ /\[/) {
2922 # COMMAND/INFO
2923 $self->send_packet ("drawextinfo $color 10 8 $msg")
2924 } else {
2925 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926 $self->send_packet ("drawinfo $color $msg")
2927 }
2928 }
2929 }
2930}
2931
2075=item $client->ext_event ($type, %msg) 2932=item $client->ext_msg ($type, @msg)
2076 2933
2077Sends an exti event to the client. 2934Sends an ext event to the client.
2078 2935
2079=cut 2936=cut
2080 2937
2081sub cf::client::ext_event($$%) { 2938sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 2939 my ($self, $type, @msg) = @_;
2083 2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 2944 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 2945 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946 }
2947}
2948
2949=item $client->ext_reply ($msgid, @msg)
2950
2951Sends an ext reply to the client.
2952
2953=cut
2954
2955sub cf::client::ext_reply($$@) {
2956 my ($self, $id, @msg) = @_;
2957
2958 if ($self->extcmd == 2) {
2959 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960 } elsif ($self->extcmd == 1) {
2961 #TODO: version 1, remove
2962 unshift @msg, msgtype => "reply", msgid => $id;
2963 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964 }
2086} 2965}
2087 2966
2088=item $success = $client->query ($flags, "text", \&cb) 2967=item $success = $client->query ($flags, "text", \&cb)
2089 2968
2090Queues a query to the client, calling the given callback with 2969Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2970the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2971C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 2972
2094Queries can fail, so check the return code. Or don't, as queries will become 2973Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 2974become reliable at some point in the future.
2096 2975
2097=cut 2976=cut
2098 2977
2099sub cf::client::query { 2978sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 2979 my ($self, $flags, $text, $cb) = @_;
2108 utf8::encode $text; 2987 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2988 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 2989
2111 $self->send_packet ($self->{query_queue}[0][0]) 2990 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 2991 if @{ $self->{query_queue} } == 1;
2992
2993 1
2113} 2994}
2114 2995
2115cf::client->attach ( 2996cf::client->attach (
2997 on_connect => sub {
2998 my ($ns) = @_;
2999
3000 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3001 },
2116 on_reply => sub { 3002 on_reply => sub {
2117 my ($ns, $msg) = @_; 3003 my ($ns, $msg) = @_;
2118 3004
2119 # this weird shuffling is so that direct followup queries 3005 # this weird shuffling is so that direct followup queries
2120 # get handled first 3006 # get handled first
2132 } else { 3018 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3019 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 3020 }
2135 } 3021 }
2136 }, 3022 },
3023 on_exticmd => sub {
3024 my ($ns, $buf) = @_;
3025
3026 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3027
3028 if (ref $msg) {
3029 my ($type, $reply, @payload) =
3030 "ARRAY" eq ref $msg
3031 ? @$msg
3032 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3033
3034 my @reply;
3035
3036 if (my $cb = $EXTICMD{$type}) {
3037 @reply = $cb->($ns, @payload);
3038 }
3039
3040 $ns->ext_reply ($reply, @reply)
3041 if $reply;
3042
3043 } else {
3044 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3045 }
3046
3047 cf::override;
3048 },
2137); 3049);
2138 3050
2139=item $client->async (\&cb) 3051=item $client->async (\&cb)
2140 3052
2141Create a new coroutine, running the specified callback. The coroutine will 3053Create a new coroutine, running the specified callback. The coroutine will
2182our $safe = new Safe "safe"; 3094our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3095our $safe_hole = new Safe::Hole;
2184 3096
2185$SIG{FPE} = 'IGNORE'; 3097$SIG{FPE} = 'IGNORE';
2186 3098
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3099$safe->permit_only (Opcode::opset qw(
3100 :base_core :base_mem :base_orig :base_math
3101 grepstart grepwhile mapstart mapwhile
3102 sort time
3103));
2188 3104
2189# here we export the classes and methods available to script code 3105# here we export the classes and methods available to script code
2190 3106
2191=pod 3107=pod
2192 3108
2193The following functions and methods are available within a safe environment: 3109The following functions and methods are available within a safe environment:
2194 3110
2195 cf::object contr pay_amount pay_player map 3111 cf::object
3112 contr pay_amount pay_player map x y force_find force_add destroy
3113 insert remove name archname title slaying race decrease split
3114
2196 cf::object::player player 3115 cf::object::player
2197 cf::player peaceful 3116 player
2198 cf::map trigger 3117
3118 cf::player
3119 peaceful
3120
3121 cf::map
3122 trigger
2199 3123
2200=cut 3124=cut
2201 3125
2202for ( 3126for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3127 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128 insert remove inv nrof name archname title slaying race
3129 decrease split destroy)],
2204 ["cf::object::player" => qw(player)], 3130 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3131 ["cf::player" => qw(peaceful)],
2206 ["cf::map" => qw(trigger)], 3132 ["cf::map" => qw(trigger)],
2207) { 3133) {
2208 no strict 'refs'; 3134 no strict 'refs';
2279=back 3205=back
2280 3206
2281=cut 3207=cut
2282 3208
2283############################################################################# 3209#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455
2456#############################################################################
2457# the server's init and main functions 3210# the server's init and main functions
2458 3211
2459sub load_facedata($) { 3212sub load_facedata($) {
2460 my ($path) = @_; 3213 my ($path) = @_;
3214
3215 # HACK to clear player env face cache, we need some signal framework
3216 # for this (global event?)
3217 %ext::player_env::MUSIC_FACE_CACHE = ();
3218
3219 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461 3220
2462 warn "loading facedata from $path\n"; 3221 warn "loading facedata from $path\n";
2463 3222
2464 my $facedata; 3223 my $facedata;
2465 0 < aio_load $path, $facedata 3224 0 < aio_load $path, $facedata
2468 $facedata = Coro::Storable::thaw $facedata; 3227 $facedata = Coro::Storable::thaw $facedata;
2469 3228
2470 $facedata->{version} == 2 3229 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3230 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3231
3232 # patch in the exptable
3233 $facedata->{resource}{"res/exp_table"} = {
3234 type => FT_RSRC,
3235 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3236 };
3237 cf::cede_to_tick;
3238
2473 { 3239 {
2474 my $faces = $facedata->{faceinfo}; 3240 my $faces = $facedata->{faceinfo};
2475 3241
2476 while (my ($face, $info) = each %$faces) { 3242 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3243 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3245 cf::face::set_visibility $idx, $info->{visibility};
3246 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3247 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3248 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481 Coro::cede; 3249
3250 cf::cede_to_tick;
2482 } 3251 }
2483 3252
2484 while (my ($face, $info) = each %$faces) { 3253 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3254 next unless $info->{smooth};
3255
2486 my $idx = cf::face::find $face 3256 my $idx = cf::face::find $face
2487 or next; 3257 or next;
3258
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3259 if (my $smooth = cf::face::find $info->{smooth}) {
3260 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3261 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3262 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3263 warn "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3264 }
2493 Coro::cede; 3265
3266 cf::cede_to_tick;
2494 } 3267 }
2495 } 3268 }
2496 3269
2497 { 3270 {
2498 my $anims = $facedata->{animinfo}; 3271 my $anims = $facedata->{animinfo};
2499 3272
2500 while (my ($anim, $info) = each %$anims) { 3273 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3274 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3275 cf::cede_to_tick;
2503 } 3276 }
2504 3277
2505 cf::anim::invalidate_all; # d'oh 3278 cf::anim::invalidate_all; # d'oh
2506 } 3279 }
2507 3280
3281 {
3282 # TODO: for gcfclient pleasure, we should give resources
3283 # that gcfclient doesn't grok a >10000 face index.
3284 my $res = $facedata->{resource};
3285
3286 while (my ($name, $info) = each %$res) {
3287 if (defined $info->{type}) {
3288 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289 my $data;
3290
3291 if ($info->{type} & 1) {
3292 # prepend meta info
3293
3294 my $meta = $enc->encode ({
3295 name => $name,
3296 %{ $info->{meta} || {} },
3297 });
3298
3299 $data = pack "(w/a*)*", $meta, $info->{data};
3300 } else {
3301 $data = $info->{data};
3302 }
3303
3304 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305 cf::face::set_type $idx, $info->{type};
3306 } else {
3307 $RESOURCE{$name} = $info;
3308 }
3309
3310 cf::cede_to_tick;
3311 }
3312 }
3313
3314 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3315
2508 1 3316 1
2509} 3317}
2510 3318
3319cf::global->attach (on_resource_update => sub {
3320 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3321 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3322
3323 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3324 my $sound = $soundconf->{compat}[$_]
3325 or next;
3326
3327 my $face = cf::face::find "sound/$sound->[1]";
3328 cf::sound::set $sound->[0] => $face;
3329 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3330 }
3331
3332 while (my ($k, $v) = each %{$soundconf->{event}}) {
3333 my $face = cf::face::find "sound/$v";
3334 cf::sound::set $k => $face;
3335 }
3336 }
3337});
3338
3339register_exticmd fx_want => sub {
3340 my ($ns, $want) = @_;
3341
3342 while (my ($k, $v) = each %$want) {
3343 $ns->fx_want ($k, $v);
3344 }
3345};
3346
3347sub load_resource_file($) {
3348 my $guard = lock_acquire "load_resource_file";
3349
3350 my $status = load_resource_file_ $_[0];
3351 get_slot 0.1, 100;
3352 cf::arch::commit_load;
3353
3354 $status
3355}
3356
2511sub reload_regions { 3357sub reload_regions {
3358 # HACK to clear player env face cache, we need some signal framework
3359 # for this (global event?)
3360 %ext::player_env::MUSIC_FACE_CACHE = ();
3361
2512 load_resource_file "$MAPDIR/regions" 3362 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3363 or die "unable to load regions file\n";
3364
3365 for (cf::region::list) {
3366 $_->{match} = qr/$_->{match}/
3367 if exists $_->{match};
3368 }
2514} 3369}
2515 3370
2516sub reload_facedata { 3371sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3372 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3373 or die "unable to load facedata\n";
2529} 3384}
2530 3385
2531sub reload_resources { 3386sub reload_resources {
2532 warn "reloading resource files...\n"; 3387 warn "reloading resource files...\n";
2533 3388
2534 reload_regions;
2535 reload_facedata; 3389 reload_facedata;
2536 reload_archetypes; 3390 reload_archetypes;
3391 reload_regions;
2537 reload_treasures; 3392 reload_treasures;
2538 3393
2539 warn "finished reloading resource files\n"; 3394 warn "finished reloading resource files\n";
2540} 3395}
2541 3396
2542sub init { 3397sub init {
3398 my $guard = freeze_mainloop;
3399
2543 reload_resources; 3400 reload_resources;
2544} 3401}
2545 3402
2546sub cfg_load { 3403sub reload_config {
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3404 open my $fh, "<:utf8", "$CONFDIR/config"
2548 or return; 3405 or return;
2549 3406
2550 local $/; 3407 local $/;
2551 *CFG = YAML::Syck::Load <$fh>; 3408 *CFG = YAML::Load <$fh>;
2552 3409
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3410 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554 3411
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3412 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3413 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2567sub main { 3424sub main {
2568 # we must not ever block the main coroutine 3425 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3426 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3427 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3428 (async {
2572 Event::one_event; 3429 $Coro::current->{desc} = "IDLE BUG HANDLER";
3430 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3431 })->prio (Coro::PRIO_MAX);
2574 }; 3432 };
2575 3433
2576 cfg_load; 3434 {
3435 my $guard = freeze_mainloop;
3436 reload_config;
2577 db_init; 3437 db_init;
2578 load_extensions; 3438 load_extensions;
2579 3439
2580 $TICK_WATCHER->start; 3440 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3441 evthread_start IO::AIO::poll_fileno;
3442 }
3443
2581 Event::loop; 3444 EV::loop;
2582} 3445}
2583 3446
2584############################################################################# 3447#############################################################################
2585# initialisation and cleanup 3448# initialisation and cleanup
2586 3449
2587# install some emergency cleanup handlers 3450# install some emergency cleanup handlers
2588BEGIN { 3451BEGIN {
3452 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3453 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3454 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3455 cf::cleanup "SIG$signal";
2597 },
2598 ); 3456 };
3457 }
3458}
3459
3460sub write_runtime_sync {
3461 my $runtime = "$LOCALDIR/runtime";
3462
3463 # first touch the runtime file to show we are still running:
3464 # the fsync below can take a very very long time.
3465
3466 IO::AIO::aio_utime $runtime, undef, undef;
3467
3468 my $guard = cf::lock_acquire "write_runtime";
3469
3470 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3471 or return;
3472
3473 my $value = $cf::RUNTIME + 90 + 10;
3474 # 10 is the runtime save interval, for a monotonic clock
3475 # 60 allows for the watchdog to kill the server.
3476
3477 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3478 and return;
3479
3480 # always fsync - this file is important
3481 aio_fsync $fh
3482 and return;
3483
3484 # touch it again to show we are up-to-date
3485 aio_utime $fh, undef, undef;
3486
3487 close $fh
3488 or return;
3489
3490 aio_rename "$runtime~", $runtime
3491 and return;
3492
3493 warn "runtime file written.\n";
3494
2599 } 3495 1
3496}
3497
3498our $uuid_lock;
3499our $uuid_skip;
3500
3501sub write_uuid_sync($) {
3502 $uuid_skip ||= $_[0];
3503
3504 return if $uuid_lock;
3505 local $uuid_lock = 1;
3506
3507 my $uuid = "$LOCALDIR/uuid";
3508
3509 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3513 $uuid_skip = 0;
3514
3515 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3516 and return;
3517
3518 # always fsync - this file is important
3519 aio_fsync $fh
3520 and return;
3521
3522 close $fh
3523 or return;
3524
3525 aio_rename "$uuid~", $uuid
3526 and return;
3527
3528 warn "uuid file written ($value).\n";
3529
3530 1
3531
3532}
3533
3534sub write_uuid($$) {
3535 my ($skip, $sync) = @_;
3536
3537 $sync ? write_uuid_sync $skip
3538 : async { write_uuid_sync $skip };
2600} 3539}
2601 3540
2602sub emergency_save() { 3541sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3542 my $freeze_guard = cf::freeze_mainloop;
2604 3543
2610 # and maps saved/destroyed asynchronously. 3549 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3550 warn "begin emergency player save\n";
2612 for my $login (keys %cf::PLAYER) { 3551 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3552 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3553 $pl->valid or next;
3554 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3555 $pl->save;
2616 } 3556 }
2617 warn "end emergency player save\n"; 3557 warn "end emergency player save\n";
2618 3558
2619 warn "begin emergency map save\n"; 3559 warn "begin emergency map save\n";
2625 warn "end emergency map save\n"; 3565 warn "end emergency map save\n";
2626 3566
2627 warn "begin emergency database checkpoint\n"; 3567 warn "begin emergency database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3568 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3569 warn "end emergency database checkpoint\n";
3570
3571 warn "begin write uuid\n";
3572 write_uuid_sync 1;
3573 warn "end write uuid\n";
2630 }; 3574 };
2631 3575
2632 warn "leave emergency perl save\n"; 3576 warn "leave emergency perl save\n";
2633} 3577}
2634 3578
2649 warn "reloading..."; 3593 warn "reloading...";
2650 3594
2651 warn "entering sync_job"; 3595 warn "entering sync_job";
2652 3596
2653 cf::sync_job { 3597 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
2655 cf::emergency_save; 3599 cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2657 3601
2658 warn "syncing database to disk"; 3602 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2660 3604
2661 # if anything goes wrong in here, we should simply crash as we already saved 3605 # if anything goes wrong in here, we should simply crash as we already saved
2662
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667 3606
2668 warn "flushing outstanding aio requests"; 3607 warn "flushing outstanding aio requests";
2669 for (;;) { 3608 for (;;) {
2670 BDB::flush; 3609 BDB::flush;
2671 IO::AIO::flush; 3610 IO::AIO::flush;
2672 Coro::cede; 3611 Coro::cede_notself;
2673 last unless IO::AIO::nreqs || BDB::nreqs; 3612 last unless IO::AIO::nreqs || BDB::nreqs;
2674 warn "iterate..."; 3613 warn "iterate...";
2675 } 3614 }
2676 3615
2677 ++$RELOAD; 3616 ++$RELOAD;
2681 %EXT_CORO = (); 3620 %EXT_CORO = ();
2682 3621
2683 warn "removing commands"; 3622 warn "removing commands";
2684 %COMMAND = (); 3623 %COMMAND = ();
2685 3624
2686 warn "removing ext commands"; 3625 warn "removing ext/exti commands";
2687 %EXTCMD = (); 3626 %EXTCMD = ();
3627 %EXTICMD = ();
2688 3628
2689 warn "unloading/nuking all extensions"; 3629 warn "unloading/nuking all extensions";
2690 for my $pkg (@EXTS) { 3630 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg"; 3631 warn "... unloading $pkg";
2692 3632
2735 warn "reloading cf.pm"; 3675 warn "reloading cf.pm";
2736 require cf; 3676 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3677 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2738 3678
2739 warn "loading config and database again"; 3679 warn "loading config and database again";
2740 cf::cfg_load; 3680 cf::reload_config;
2741 3681
2742 warn "loading extensions"; 3682 warn "loading extensions";
2743 cf::load_extensions; 3683 cf::load_extensions;
2744 3684
2745 warn "reattaching attachments to objects/players"; 3685 warn "reattaching attachments to objects/players";
2752 warn "leaving sync_job"; 3692 warn "leaving sync_job";
2753 3693
2754 1 3694 1
2755 } or do { 3695 } or do {
2756 warn $@; 3696 warn $@;
2757 warn "error while reloading, exiting."; 3697 cf::cleanup "error while reloading, exiting.";
2758 exit 1;
2759 }; 3698 };
2760 3699
2761 warn "reloaded"; 3700 warn "reloaded";
2762}; 3701};
2763 3702
2765 3704
2766sub reload_perl() { 3705sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 3706 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 3707 # coro crashes during coro_state_free->destroy here.
2769 3708
2770 $RELOAD_WATCHER ||= Event->timer ( 3709 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2771 reentrant => 0,
2772 after => 0,
2773 data => WF_AUTOCANCEL,
2774 cb => sub {
2775 do_reload_perl; 3710 do_reload_perl;
2776 undef $RELOAD_WATCHER; 3711 undef $RELOAD_WATCHER;
2777 },
2778 ); 3712 };
2779} 3713}
2780 3714
2781register_command "reload" => sub { 3715register_command "reload" => sub {
2782 my ($who, $arg) = @_; 3716 my ($who, $arg) = @_;
2783 3717
2784 if ($who->flag (FLAG_WIZ)) { 3718 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 3719 $who->message ("reloading server.");
3720 async {
3721 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 3722 reload_perl;
3723 };
2787 } 3724 }
2788}; 3725};
2789 3726
2790unshift @INC, $LIBDIR; 3727unshift @INC, $LIBDIR;
2791 3728
2793 3730
2794our @WAIT_FOR_TICK; 3731our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 3732our @WAIT_FOR_TICK_BEGIN;
2796 3733
2797sub wait_for_tick { 3734sub wait_for_tick {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 3735 return if tick_inhibit || $Coro::current == $Coro::main;
2800 3736
2801 my $signal = new Coro::Signal; 3737 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 3738 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 3739 $signal->wait;
2804} 3740}
2805 3741
2806sub wait_for_tick_begin { 3742sub wait_for_tick_begin {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 3743 return if tick_inhibit || $Coro::current == $Coro::main;
2809 3744
2810 my $signal = new Coro::Signal; 3745 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 3746 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 3747 $signal->wait;
2813} 3748}
2814 3749
2815$TICK_WATCHER = Event->timer ( 3750sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 3751 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3752 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 3753 unless ++$bug_warning > 10;
2825 return; 3754 return;
2826 } 3755 }
2827 3756
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 3757 cf::server_tick; # one server iteration
2831 3758
2832 $RUNTIME += $TICK;
2833 $NEXT_TICK += $TICK;
2834
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3759 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 3760 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 3761 Coro::async_pool {
3762 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 3763 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 3764 or warn "ERROR: unable to write runtime file: $!";
2840 };
2841 } 3765 };
3766 }
2842 3767
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 3769 $sig->send;
2854 } 3770 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 3771 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 3772 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 3773 }
2861); 3774
3775 $LOAD = ($NOW - $TICK_START) / $TICK;
3776 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3777
3778 if (0) {
3779 if ($NEXT_TICK) {
3780 my $jitter = $TICK_START - $NEXT_TICK;
3781 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3782 warn "jitter $JITTER\n";#d#
3783 }
3784 }
3785}
2862 3786
2863{ 3787{
2864 BDB::max_poll_time $TICK * 0.1; 3788 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 3789
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 3790 BDB::min_parallel 8;
2874 3791 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 3792 $Coro::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 3793
2890 unless ($DB_ENV) { 3794 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 3795 $DB_ENV = BDB::db_env_create;
3796 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3797 | BDB::LOG_AUTOREMOVE, 1);
3798 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 3800
2893 cf::sync_job { 3801 cf::sync_job {
2894 eval { 3802 eval {
2895 BDB::db_env_open 3803 BDB::db_env_open
2896 $DB_ENV, 3804 $DB_ENV,
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3806 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3807 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 3808 0666;
2901 3809
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3810 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 3811 };
2907 3812
2908 cf::cleanup "db_env_open(db): $@" if $@; 3813 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 3814 };
2910 } 3815 }
3816
3817 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3818 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3819 };
3820 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3821 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3822 };
3823 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3824 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3825 };
2911} 3826}
2912 3827
2913{ 3828{
3829 # configure IO::AIO
3830
2914 IO::AIO::min_parallel 8; 3831 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 3832 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 3833 $Coro::AIO::WATCHER->priority (1);
2919 reentrant => 0, 3834}
2920 data => WF_AUTOCANCEL, 3835
2921 fd => IO::AIO::poll_fileno, 3836my $_log_backtrace;
2922 poll => 'r', 3837
2923 prio => 6, 3838sub _log_backtrace {
2924 cb => \&IO::AIO::poll_cb, 3839 my ($msg, @addr) = @_;
2925 ); 3840
3841 $msg =~ s/\n//;
3842
3843 # limit the # of concurrent backtraces
3844 if ($_log_backtrace < 2) {
3845 ++$_log_backtrace;
3846 async {
3847 $Coro::current->{desc} = "abt $msg";
3848
3849 my @bt = fork_call {
3850 @addr = map { sprintf "%x", $_ } @addr;
3851 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3852 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3853 or die "addr2line: $!";
3854
3855 my @funcs;
3856 my @res = <$fh>;
3857 chomp for @res;
3858 while (@res) {
3859 my ($func, $line) = splice @res, 0, 2, ();
3860 push @funcs, "[$func] $line";
3861 }
3862
3863 @funcs
3864 };
3865
3866 LOG llevInfo, "[ABT] $msg\n";
3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3868 --$_log_backtrace;
3869 };
3870 } else {
3871 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] [suppressed]\n";
3873 }
2926} 3874}
2927 3875
2928# load additional modules 3876# load additional modules
2929use cf::pod; 3877use cf::pod;
2930 3878

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