ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::AnyEvent;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
22use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB 1.6;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 119
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 123our $TICK_START; # for load detecting purposes
98 124
99binmode STDOUT; 125binmode STDOUT;
100binmode STDERR; 126binmode STDERR;
101 127
102# read virtual server time, if available 128# read virtual server time, if available
155 181
156The raw value load value from the last tick. 182The raw value load value from the last tick.
157 183
158=item %cf::CFG 184=item %cf::CFG
159 185
160Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 187from wherever your confdir points to.
162 188
163=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
164 190
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
169=back 201=back
170 202
171=cut 203=cut
172 204
173BEGIN { 205BEGIN {
177 $msg .= "\n" 209 $msg .= "\n"
178 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
179 211
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 213
182 utf8::encode $msg;
183 LOG llevError, $msg; 214 LOG llevError, $msg;
184 }; 215 };
185} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
186 232
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 240
194# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 242# within the Safe compartment.
196for my $pkg (qw( 243for my $pkg (qw(
197 cf::global cf::attachable 244 cf::global cf::attachable
198 cf::object cf::object::player 245 cf::object cf::object::player
199 cf::client cf::player 246 cf::client cf::player
200 cf::arch cf::living 247 cf::arch cf::living
248 cf::map cf::mapspace
201 cf::map cf::party cf::region 249 cf::party cf::region
202)) { 250)) {
203 no strict 'refs'; 251 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 252 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 253}
206 254
207$Event::DIED = sub { 255$EV::DIED = sub {
208 warn "error in event callback: @_"; 256 warn "error in event callback: @_";
209}; 257};
258
259#############################################################################
210 260
211=head2 UTILITY FUNCTIONS 261=head2 UTILITY FUNCTIONS
212 262
213=over 4 263=over 4
214 264
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 283 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 284 $d
235 } || "[unable to dump $_[0]: '$@']"; 285 } || "[unable to dump $_[0]: '$@']";
236} 286}
237 287
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 288=item $ref = cf::decode_json $json
241 289
242Converts a JSON string into the corresponding perl data structure. 290Converts a JSON string into the corresponding perl data structure.
243 291
244=item $json = cf::to_json $ref 292=item $json = cf::encode_json $ref
245 293
246Converts a perl data structure into its JSON representation. 294Converts a perl data structure into its JSON representation.
295
296=cut
297
298our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299
300sub encode_json($) { $json_coder->encode ($_[0]) }
301sub decode_json($) { $json_coder->decode ($_[0]) }
247 302
248=item cf::lock_wait $string 303=item cf::lock_wait $string
249 304
250Wait until the given lock is available. See cf::lock_acquire. 305Wait until the given lock is available. See cf::lock_acquire.
251 306
254Wait until the given lock is available and then acquires it and returns 309Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 310a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 311for example when the coroutine gets canceled), the lock is automatically
257returned. 312returned.
258 313
314Locks are *not* recursive, locking from the same coro twice results in a
315deadlocked coro.
316
259Lock names should begin with a unique identifier (for example, cf::map::find 317Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 318uses map_find and cf::map::load uses map_load).
261 319
262=item $locked = cf::lock_active $string 320=item $locked = cf::lock_active $string
263 321
264Return true if the lock is currently active, i.e. somebody has locked it. 322Return true if the lock is currently active, i.e. somebody has locked it.
265 323
266=cut 324=cut
267 325
268our %LOCK; 326our %LOCK;
327our %LOCKER;#d#
269 328
270sub lock_wait($) { 329sub lock_wait($) {
271 my ($key) = @_; 330 my ($key) = @_;
331
332 if ($LOCKER{$key} == $Coro::current) {#d#
333 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334 return;#d#
335 }#d#
272 336
273 # wait for lock, if any 337 # wait for lock, if any
274 while ($LOCK{$key}) { 338 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 339 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 340 Coro::schedule;
282 346
283 # wait, to be sure we are not locked 347 # wait, to be sure we are not locked
284 lock_wait $key; 348 lock_wait $key;
285 349
286 $LOCK{$key} = []; 350 $LOCK{$key} = [];
351 $LOCKER{$key} = $Coro::current;#d#
287 352
288 Coro::guard { 353 Coro::guard {
354 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 355 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 356 $_->ready for @{ delete $LOCK{$key} };
291 } 357 }
292} 358}
293 359
296 362
297 ! ! $LOCK{$key} 363 ! ! $LOCK{$key}
298} 364}
299 365
300sub freeze_mainloop { 366sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 367 tick_inhibit_inc;
302 368
303 my $guard = Coro::guard { 369 Coro::guard \&tick_inhibit_dec;
304 $TICK_WATCHER->start; 370}
371
372=item cf::periodic $interval, $cb
373
374Like EV::periodic, but randomly selects a starting point so that the actions
375get spread over timer.
376
377=cut
378
379sub periodic($$) {
380 my ($interval, $cb) = @_;
381
382 my $start = rand List::Util::min 180, $interval;
383
384 EV::periodic $start, $interval, 0, $cb
385}
386
387=item cf::get_slot $time[, $priority[, $name]]
388
389Allocate $time seconds of blocking CPU time at priority C<$priority>:
390This call blocks and returns only when you have at least C<$time> seconds
391of cpu time till the next tick. The slot is only valid till the next cede.
392
393The optional C<$name> can be used to identify the job to run. It might be
394used for statistical purposes and should identify the same time-class.
395
396Useful for short background jobs.
397
398=cut
399
400our @SLOT_QUEUE;
401our $SLOT_QUEUE;
402
403$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404$SLOT_QUEUE = Coro::async {
405 $Coro::current->desc ("timeslot manager");
406
407 my $signal = new Coro::Signal;
408
409 while () {
410 next_job:
411 my $avail = cf::till_tick;
412 if ($avail > 0.01) {
413 for (0 .. $#SLOT_QUEUE) {
414 if ($SLOT_QUEUE[$_][0] < $avail) {
415 my $job = splice @SLOT_QUEUE, $_, 1, ();
416 $job->[2]->send;
417 Coro::cede;
418 goto next_job;
419 }
420 }
421 }
422
423 if (@SLOT_QUEUE) {
424 # we do not use wait_for_tick() as it returns immediately when tick is inactive
425 push @cf::WAIT_FOR_TICK, $signal;
426 $signal->wait;
427 } else {
428 Coro::schedule;
429 }
305 }; 430 }
306 $TICK_WATCHER->stop; 431};
307 $guard 432
433sub get_slot($;$$) {
434 return if tick_inhibit || $Coro::current == $Coro::main;
435
436 my ($time, $pri, $name) = @_;
437
438 $time = $TICK * .6 if $time > $TICK * .6;
439 my $sig = new Coro::Signal;
440
441 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
442 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
443 $SLOT_QUEUE->ready;
444 $sig->wait;
308} 445}
309 446
310=item cf::async { BLOCK } 447=item cf::async { BLOCK }
311 448
312Currently the same as Coro::async_pool, meaning you cannot use 449Currently the same as Coro::async_pool, meaning you cannot use
317 454
318BEGIN { *async = \&Coro::async_pool } 455BEGIN { *async = \&Coro::async_pool }
319 456
320=item cf::sync_job { BLOCK } 457=item cf::sync_job { BLOCK }
321 458
322The design of crossfire+ requires that the main coro ($Coro::main) is 459The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 460is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 461partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
462acceptable.
325 463
326If it must be done, put the blocking parts into C<sync_job>. This will run 464If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 465the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 466server will be frozen during this time, so the block should either finish
329fast or be very important. 467fast or be very important.
332 470
333sub sync_job(&) { 471sub sync_job(&) {
334 my ($job) = @_; 472 my ($job) = @_;
335 473
336 if ($Coro::current == $Coro::main) { 474 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 475 my $time = EV::time;
338 476
339 # this is the main coro, too bad, we have to block 477 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 478 # till the operation succeeds, freezing the server :/
341 479
342 # TODO: use suspend/resume instead 480 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 481
344 my $freeze_guard = freeze_mainloop; 482 my $freeze_guard = freeze_mainloop;
345 483
346 my $busy = 1; 484 my $busy = 1;
347 my @res; 485 my @res;
348 486
349 (async { 487 (async {
488 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 489 @res = eval { $job->() };
351 warn $@ if $@; 490 warn $@ if $@;
352 undef $busy; 491 undef $busy;
353 })->prio (Coro::PRIO_MAX); 492 })->prio (Coro::PRIO_MAX);
354 493
355 while ($busy) { 494 while ($busy) {
356 Coro::cede or Event::one_event; 495 if (Coro::nready) {
496 Coro::cede_notself;
497 } else {
498 EV::loop EV::LOOP_ONESHOT;
357 } 499 }
500 }
358 501
359 $time = Event::time - $time; 502 my $time = EV::time - $time;
360 503
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 504 $TICK_START += $time; # do not account sync jobs to server load
365 505
366 wantarray ? @res : $res[0] 506 wantarray ? @res : $res[0]
367 } else { 507 } else {
368 # we are in another coroutine, how wonderful, everything just works 508 # we are in another coroutine, how wonderful, everything just works
369 509
389 $EXT_CORO{$coro+0} = $coro; 529 $EXT_CORO{$coro+0} = $coro;
390 530
391 $coro 531 $coro
392} 532}
393 533
394sub write_runtime { 534=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 535
397 # first touch the runtime file to show we are still running: 536Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 537process, returning the results. Everything must be serialisable with
538Coro::Storable. May, of course, block. Note that the executed sub may
539never block itself or use any form of event handling.
399 540
400 IO::AIO::aio_utime $runtime, undef, undef; 541=cut
401 542
402 my $guard = cf::lock_acquire "write_runtime"; 543sub fork_call(&@) {
544 my ($cb, @args) = @_;
403 545
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 546 # we seemingly have to make a local copy of the whole thing,
405 or return; 547 # otherwise perl prematurely frees the stuff :/
548 # TODO: investigate and fix (likely this will be rather laborious)
406 549
407 my $value = $cf::RUNTIME + 90 + 10; 550 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 551 reset_signals;
409 # 60 allows for the watchdog to kill the server. 552 &$cb
553 }, @args;
410 554
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 555 wantarray ? @res : $res[-1]
412 and return; 556}
413 557
414 # always fsync - this file is important 558=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 559
418 # touch it again to show we are up-to-date 560=cut
419 aio_utime $fh, undef, undef;
420 561
421 close $fh 562our %coin_alias = (
422 or return; 563 "silver" => "silvercoin",
564 "silvercoin" => "silvercoin",
565 "silvercoins" => "silvercoin",
566 "gold" => "goldcoin",
567 "goldcoin" => "goldcoin",
568 "goldcoins" => "goldcoin",
569 "platinum" => "platinacoin",
570 "platinumcoin" => "platinacoin",
571 "platinumcoins" => "platinacoin",
572 "platina" => "platinacoin",
573 "platinacoin" => "platinacoin",
574 "platinacoins" => "platinacoin",
575 "royalty" => "royalty",
576 "royalties" => "royalty",
577);
423 578
424 aio_rename "$runtime~", $runtime 579sub coin_from_name($) {
425 and return; 580 $coin_alias{$_[0]}
581 ? cf::arch::find $coin_alias{$_[0]}
582 : undef
583}
426 584
427 warn "runtime file written.\n";#d# 585=item $value = cf::db_get $family => $key
428 586
587Returns a single value from the environment database.
588
589=item cf::db_put $family => $key => $value
590
591Stores the given C<$value> in the family. It can currently store binary
592data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
593
594=item $db = cf::db_table "name"
595
596Create and/or open a new database table. The string must not be "db" and must be unique
597within each server.
598
599=cut
600
601sub db_table($) {
602 my ($name) = @_;
603 my $db = BDB::db_create $DB_ENV;
604
605 eval {
606 $db->set_flags (BDB::CHKSUM);
607
608 utf8::encode $name;
609 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
610 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
611 cf::cleanup "db_open(db): $!" if $!;
612 };
613 cf::cleanup "db_open(db): $@" if $@;
614
615 $db
616}
617
618our $DB;
619
620sub db_init {
621 cf::sync_job {
622 $DB ||= db_table "db";
623 };
624}
625
626sub db_get($$) {
627 my $key = "$_[0]/$_[1]";
628
629 cf::sync_job {
630 BDB::db_get $DB, undef, $key, my $data;
631
632 $! ? ()
633 : $data
429 1 634 }
635}
636
637sub db_put($$$) {
638 BDB::dbreq_pri 4;
639 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
640}
641
642=item cf::cache $id => [$paths...], $processversion => $process
643
644Generic caching function that returns the value of the resource $id,
645caching and regenerating as required.
646
647This function can block.
648
649=cut
650
651sub cache {
652 my ($id, $src, $processversion, $process) = @_;
653
654 my $meta =
655 join "\x00",
656 $processversion,
657 map {
658 aio_stat $_
659 and Carp::croak "$_: $!";
660
661 ($_, (stat _)[7,9])
662 } @$src;
663
664 my $dbmeta = db_get cache => "$id/meta";
665 if ($dbmeta ne $meta) {
666 # changed, we may need to process
667
668 my @data;
669 my $md5;
670
671 for (0 .. $#$src) {
672 0 <= aio_load $src->[$_], $data[$_]
673 or Carp::croak "$src->[$_]: $!";
674 }
675
676 # if processing is expensive, check
677 # checksum first
678 if (1) {
679 $md5 =
680 join "\x00",
681 $processversion,
682 map {
683 cf::cede_to_tick;
684 ($src->[$_], Digest::MD5::md5_hex $data[$_])
685 } 0.. $#$src;
686
687
688 my $dbmd5 = db_get cache => "$id/md5";
689 if ($dbmd5 eq $md5) {
690 db_put cache => "$id/meta", $meta;
691
692 return db_get cache => "$id/data";
693 }
694 }
695
696 my $t1 = Time::HiRes::time;
697 my $data = $process->(\@data);
698 my $t2 = Time::HiRes::time;
699
700 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
701
702 db_put cache => "$id/data", $data;
703 db_put cache => "$id/md5" , $md5;
704 db_put cache => "$id/meta", $meta;
705
706 return $data;
707 }
708
709 db_get cache => "$id/data"
430} 710}
431 711
432=item cf::datalog type => key => value, ... 712=item cf::datalog type => key => value, ...
433 713
434Log a datalog packet of the given type with the given key-value pairs. 714Log a datalog packet of the given type with the given key-value pairs.
452attach callbacks/event handlers (a collection of which is called an "attachment") 732attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 733to it. All such attachable objects support the following methods.
454 734
455In the following description, CLASS can be any of C<global>, C<object> 735In the following description, CLASS can be any of C<global>, C<object>
456C<player>, C<client> or C<map> (i.e. the attachable objects in 736C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 737Deliantra).
458 738
459=over 4 739=over 4
460 740
461=item $attachable->attach ($attachment, key => $value...) 741=item $attachable->attach ($attachment, key => $value...)
462 742
664 _attach $registry, $klass, @attach; 944 _attach $registry, $klass, @attach;
665 } 945 }
666 946
667 $obj->{$name} = \%arg; 947 $obj->{$name} = \%arg;
668 } else { 948 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 949 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 950 }
671 951
672 $obj->{_attachment}{$name} = undef; 952 $obj->{_attachment}{$name} = undef;
673} 953}
674 954
714 "; 994 ";
715 die if $@; 995 die if $@;
716} 996}
717 997
718our $override; 998our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 999our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1000
721sub override { 1001sub override {
722 $override = 1; 1002 $override = 1;
723 @invoke_results = (); 1003 @INVOKE_RESULTS = (@_);
724} 1004}
725 1005
726sub do_invoke { 1006sub do_invoke {
727 my $event = shift; 1007 my $event = shift;
728 my $callbacks = shift; 1008 my $callbacks = shift;
729 1009
730 @invoke_results = (); 1010 @INVOKE_RESULTS = ();
731 1011
732 local $override; 1012 local $override;
733 1013
734 for (@$callbacks) { 1014 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1015 eval { &{$_->[1]} };
744 } 1024 }
745 1025
746 0 1026 0
747} 1027}
748 1028
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1030
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1031=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1032
753Generate an object-specific event with the given arguments. 1033Generate an object-specific event with the given arguments.
754 1034
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1035This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1036removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1037results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1038
759=back 1039=back
760 1040
761=cut 1041=cut
762 1042
763############################################################################# 1043#############################################################################
764# object support 1044# object support
1045
1046sub _object_equal($$);
1047sub _object_equal($$) {
1048 my ($a, $b) = @_;
1049
1050 return 0 unless (ref $a) eq (ref $b);
1051
1052 if ("HASH" eq ref $a) {
1053 my @ka = keys %$a;
1054 my @kb = keys %$b;
1055
1056 return 0 if @ka != @kb;
1057
1058 for (0 .. $#ka) {
1059 return 0 unless $ka[$_] eq $kb[$_];
1060 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1061 }
1062
1063 } elsif ("ARRAY" eq ref $a) {
1064
1065 return 0 if @$a != @$b;
1066
1067 for (0 .. $#$a) {
1068 return 0 unless _object_equal $a->[$_], $b->[$_];
1069 }
1070
1071 } elsif ($a ne $b) {
1072 return 0;
1073 }
1074
1075 1
1076}
1077
1078our $SLOW_MERGES;#d#
1079sub _can_merge {
1080 my ($ob1, $ob2) = @_;
1081
1082 ++$SLOW_MERGES;#d#
1083
1084 # we do the slow way here
1085 return _object_equal $ob1, $ob2
1086}
765 1087
766sub reattach { 1088sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1089 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1090 my ($obj) = @_;
769 1091
790cf::attachable->attach ( 1112cf::attachable->attach (
791 prio => -1000000, 1113 prio => -1000000,
792 on_instantiate => sub { 1114 on_instantiate => sub {
793 my ($obj, $data) = @_; 1115 my ($obj, $data) = @_;
794 1116
795 $data = from_json $data; 1117 $data = decode_json $data;
796 1118
797 for (@$data) { 1119 for (@$data) {
798 my ($name, $args) = @$_; 1120 my ($name, $args) = @$_;
799 1121
800 $obj->attach ($name, %{$args || {} }); 1122 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1138sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1139 my ($filename, $rdata, $objs) = @_;
818 1140
819 sync_job { 1141 sync_job {
820 if (length $$rdata) { 1142 if (length $$rdata) {
1143 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1144 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1145 $decname, length $$rdata, scalar @$objs;
823 1146
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1147 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1148 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1149 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1150 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1151 aio_close $fh;
829 1152
830 if (@$objs) { 1153 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1156 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1157 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1158 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1159 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1160 aio_rename "$filename.pst~", "$filename.pst";
838 } 1161 }
839 } else { 1162 } else {
840 aio_unlink "$filename.pst"; 1163 aio_unlink "$filename.pst";
841 } 1164 }
846 } 1169 }
847 } else { 1170 } else {
848 aio_unlink $filename; 1171 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1172 aio_unlink "$filename.pst";
850 } 1173 }
851 } 1174 };
852} 1175}
853 1176
854sub object_freezer_as_string { 1177sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1178 my ($rdata, $objs) = @_;
856 1179
868 or return; 1191 or return;
869 1192
870 unless (aio_stat "$filename.pst") { 1193 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1194 (aio_load "$filename.pst", $av) >= 0
872 or return; 1195 or return;
1196
873 $av = eval { (Storable::thaw $av)->{objs} }; 1197 my $st = eval { Coro::Storable::thaw $av };
1198 $av = $st->{objs};
874 } 1199 }
875 1200
1201 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1202 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1203 $decname, length $data, scalar @{$av || []};
1204
878 return ($data, $av); 1205 ($data, $av)
879} 1206}
1207
1208=head2 COMMAND CALLBACKS
1209
1210=over 4
1211
1212=cut
880 1213
881############################################################################# 1214#############################################################################
882# command handling &c 1215# command handling &c
883 1216
884=item cf::register_command $name => \&callback($ob,$args); 1217=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1230 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1231}
899 1232
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1233=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1234
902Register a callbackf ro execution when the client sends an extcmd packet. 1235Register a callback for execution when the client sends an (synchronous)
1236extcmd packet. Ext commands will be processed in the order they are
1237received by the server, like other user commands. The first argument is
1238the logged-in player. Ext commands can only be processed after a player
1239has logged in successfully.
903 1240
904If the callback returns something, it is sent back as if reply was being 1241If the callback returns something, it is sent back as if reply was being
905called. 1242called.
906 1243
1244=item cf::register_exticmd $name => \&callback($ns,$packet);
1245
1246Register a callback for execution when the client sends an (asynchronous)
1247exticmd packet. Exti commands are processed by the server as soon as they
1248are received, i.e. out of order w.r.t. other commands. The first argument
1249is a client socket. Exti commands can be received anytime, even before
1250log-in.
1251
1252If the callback returns something, it is sent back as if reply was being
1253called.
1254
907=cut 1255=cut
908 1256
909sub register_extcmd { 1257sub register_extcmd {
910 my ($name, $cb) = @_; 1258 my ($name, $cb) = @_;
911 1259
912 $EXTCMD{$name} = $cb; 1260 $EXTCMD{$name} = $cb;
1261}
1262
1263sub register_exticmd {
1264 my ($name, $cb) = @_;
1265
1266 $EXTICMD{$name} = $cb;
913} 1267}
914 1268
915cf::player->attach ( 1269cf::player->attach (
916 on_command => sub { 1270 on_command => sub {
917 my ($pl, $name, $params) = @_; 1271 my ($pl, $name, $params) = @_;
926 cf::override; 1280 cf::override;
927 }, 1281 },
928 on_extcmd => sub { 1282 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1283 my ($pl, $buf) = @_;
930 1284
931 my $msg = eval { from_json $buf }; 1285 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1286
933 if (ref $msg) { 1287 if (ref $msg) {
1288 my ($type, $reply, @payload) =
1289 "ARRAY" eq ref $msg
1290 ? @$msg
1291 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1292
1293 my @reply;
1294
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1295 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1296 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1297 }
1298
1299 $pl->ext_reply ($reply, @reply)
1300 if $reply;
1301
939 } else { 1302 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1303 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1304 }
942 1305
943 cf::override; 1306 cf::override;
944 }, 1307 },
945); 1308);
946 1309
947sub load_extension {
948 my ($path) = @_;
949
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
951 my $base = $1;
952 my $pkg = $1;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 }
975 die $@;
976 }
977
978 push @EXTS, $pkg;
979}
980
981sub load_extensions { 1310sub load_extensions {
1311 cf::sync_job {
1312 my %todo;
1313
982 for my $ext (<$LIBDIR/*.ext>) { 1314 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1315 next unless -r $path;
984 eval { 1316
985 load_extension $ext; 1317 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1318 my $base = $1;
1319 my $pkg = $1;
1320 $pkg =~ s/[^[:word:]]/_/g;
1321 $pkg = "ext::$pkg";
1322
1323 open my $fh, "<:utf8", $path
1324 or die "$path: $!";
1325
1326 my $source = do { local $/; <$fh> };
1327
1328 my %ext = (
1329 path => $path,
1330 base => $base,
1331 pkg => $pkg,
1332 );
1333
1334 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336
1337 $ext{source} =
1338 "package $pkg; use strict; use utf8;\n"
1339 . "#line 1 \"$path\"\n{\n"
1340 . $source
1341 . "\n};\n1";
1342
1343 $todo{$base} = \%ext;
1344 }
1345
1346 my %done;
1347 while (%todo) {
1348 my $progress;
1349
1350 while (my ($k, $v) = each %todo) {
1351 for (split /,\s*/, $v->{meta}{depends}) {
1352 goto skip
1353 unless exists $done{$_};
1354 }
1355
1356 warn "... loading '$k' into '$v->{pkg}'\n";
1357
1358 unless (eval $v->{source}) {
1359 my $msg = $@ ? "$v->{path}: $@\n"
1360 : "$v->{base}: extension inactive.\n";
1361
1362 if (exists $v->{meta}{mandatory}) {
1363 warn $msg;
1364 cf::cleanup "mandatory extension failed to load, exiting.";
1365 }
1366
1367 warn $msg;
1368 }
1369
1370 $done{$k} = delete $todo{$k};
1371 push @EXTS, $v->{pkg};
1372 $progress = 1;
986 1 1373 }
987 } or warn "$ext not loaded: $@"; 1374
1375 skip:
1376 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1377 unless $progress;
1378 }
988 } 1379 };
989} 1380}
990 1381
991############################################################################# 1382#############################################################################
992 1383
1384=back
1385
993=head2 CORE EXTENSIONS 1386=head2 CORE EXTENSIONS
994 1387
995Functions and methods that extend core crossfire objects. 1388Functions and methods that extend core crossfire objects.
996 1389
997=cut 1390=cut
1001use Coro::AIO; 1394use Coro::AIO;
1002 1395
1003=head3 cf::player 1396=head3 cf::player
1004 1397
1005=over 4 1398=over 4
1399
1400=item cf::player::num_playing
1401
1402Returns the official number of playing players, as per the Crossfire metaserver rules.
1403
1404=cut
1405
1406sub num_playing {
1407 scalar grep
1408 $_->ob->map
1409 && !$_->hidden
1410 && !$_->ob->flag (cf::FLAG_WIZ),
1411 cf::player::list
1412}
1006 1413
1007=item cf::player::find $login 1414=item cf::player::find $login
1008 1415
1009Returns the given player object, loading it if necessary (might block). 1416Returns the given player object, loading it if necessary (might block).
1010 1417
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1453 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1454 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1455 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1456 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1457
1051 my $pl = load_pl path $login 1458 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1459 or return;
1460
1461 my $pl = cf::player::load_pl $f
1462 or return;
1463
1464 local $cf::PLAYER_LOADING{$login} = $pl;
1465 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1466 $cf::PLAYER{$login} = $pl
1054 } 1467 }
1055 } 1468 }
1056} 1469}
1057 1470
1066 return if $pl->{deny_save}; 1479 return if $pl->{deny_save};
1067 1480
1068 aio_mkdir playerdir $pl, 0770; 1481 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1482 $pl->{last_save} = $cf::RUNTIME;
1070 1483
1484 cf::get_slot 0.01;
1485
1071 $pl->save_pl ($path); 1486 $pl->save_pl ($path);
1072 Coro::cede; 1487 cf::cede_to_tick;
1073} 1488}
1074 1489
1075sub new($) { 1490sub new($) {
1076 my ($login) = @_; 1491 my ($login) = @_;
1077 1492
1083 $cf::PLAYER{$login} = $self; 1498 $cf::PLAYER{$login} = $self;
1084 1499
1085 $self 1500 $self
1086} 1501}
1087 1502
1503=item $player->send_msg ($channel, $msg, $color, [extra...])
1504
1505=cut
1506
1507sub send_msg {
1508 my $ns = shift->ns
1509 or return;
1510 $ns->send_msg (@_);
1511}
1512
1088=item $pl->quit_character 1513=item $pl->quit_character
1089 1514
1090Nukes the player without looking back. If logged in, the connection will 1515Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1516be destroyed. May block for a long time.
1092 1517
1100 $pl->{deny_save} = 1; 1525 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1526 $pl->password ("*"); # this should lock out the player until we nuked the dir
1102 1527
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1528 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1529 $pl->deactivate;
1530 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1532 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1533 $pl->ns->destroy if $pl->ns;
1107 1534
1108 my $path = playerdir $pl; 1535 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1536 my $temp = "$path~$cf::RUNTIME~deleting~";
1145 or return []; 1572 or return [];
1146 1573
1147 my @logins; 1574 my @logins;
1148 1575
1149 for my $login (@$dirs) { 1576 for my $login (@$dirs) {
1577 my $path = path $login;
1578
1579 # a .pst is a dead give-away for a valid player
1580 # if no pst file found, open and chekc for blocked users
1581 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1582 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1583 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1584 $buf !~ /^password -------------$/m or next; # official not-valid tag
1585 }
1153 1586
1154 utf8::decode $login; 1587 utf8::decode $login;
1155 push @logins, $login; 1588 push @logins, $login;
1156 } 1589 }
1157 1590
1184 } 1617 }
1185 1618
1186 \@paths 1619 \@paths
1187} 1620}
1188 1621
1622=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1623
1624Expand crossfire pod fragments into protocol xml.
1625
1626=cut
1627
1628use re 'eval';
1629
1630my $group;
1631my $interior; $interior = qr{
1632 # match a pod interior sequence sans C<< >>
1633 (?:
1634 \ (.*?)\ (?{ $group = $^N })
1635 | < (??{$interior}) >
1636 )
1637}x;
1638
1639sub expand_cfpod {
1640 my ($self, $pod) = @_;
1641
1642 my $xml;
1643
1644 while () {
1645 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646 $group = $1;
1647
1648 $group =~ s/&/&amp;/g;
1649 $group =~ s/</&lt;/g;
1650
1651 $xml .= $group;
1652 } elsif ($pod =~ m%\G
1653 ([BCGHITU])
1654 <
1655 (?:
1656 ([^<>]*) (?{ $group = $^N })
1657 | < $interior >
1658 )
1659 >
1660 %gcsx
1661 ) {
1662 my ($code, $data) = ($1, $group);
1663
1664 if ($code eq "B") {
1665 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666 } elsif ($code eq "I") {
1667 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668 } elsif ($code eq "U") {
1669 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670 } elsif ($code eq "C") {
1671 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672 } elsif ($code eq "T") {
1673 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674 } elsif ($code eq "G") {
1675 my ($male, $female) = split /\|/, $data;
1676 $data = $self->gender ? $female : $male;
1677 $xml .= expand_cfpod ($self, $data);
1678 } elsif ($code eq "H") {
1679 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681 "")
1682 [$self->{hintmode}];
1683 } else {
1684 $xml .= "error processing '$code($data)' directive";
1685 }
1686 } else {
1687 if ($pod =~ /\G(.+)/) {
1688 warn "parse error while expanding $pod (at $1)";
1689 }
1690 last;
1691 }
1692 }
1693
1694 for ($xml) {
1695 # create single paragraphs (very hackish)
1696 s/(?<=\S)\n(?=\w)/ /g;
1697
1698 # compress some whitespace
1699 s/\s+\n/\n/g; # ws line-ends
1700 s/\n\n+/\n/g; # double lines
1701 s/^\n+//; # beginning lines
1702 s/\n+$//; # ending lines
1703 }
1704
1705 $xml
1706}
1707
1708no re 'eval';
1709
1710sub hintmode {
1711 $_[0]{hintmode} = $_[1] if @_ > 1;
1712 $_[0]{hintmode}
1713}
1714
1189=item $player->ext_reply ($msgid, %msg) 1715=item $player->ext_reply ($msgid, @msg)
1190 1716
1191Sends an ext reply to the player. 1717Sends an ext reply to the player.
1192 1718
1193=cut 1719=cut
1194 1720
1195sub ext_reply($$%) { 1721sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1722 my ($self, $id, @msg) = @_;
1197 1723
1198 $msg{msgid} = $id; 1724 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1725}
1202 1726
1203=item $player->ext_event ($type, %msg) 1727=item $player->ext_msg ($type, @msg)
1204 1728
1205Sends an ext event to the client. 1729Sends an ext event to the client.
1206 1730
1207=cut 1731=cut
1208 1732
1209sub ext_event($$%) { 1733sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1734 my ($self, $type, @msg) = @_;
1211 1735
1212 $self->ns->ext_event ($type, %msg); 1736 $self->ns->ext_msg ($type, @msg);
1213} 1737}
1214 1738
1215=head3 cf::region 1739=head3 cf::region
1216 1740
1217=over 4 1741=over 4
1220 1744
1221package cf::region; 1745package cf::region;
1222 1746
1223=item cf::region::find_by_path $path 1747=item cf::region::find_by_path $path
1224 1748
1225Tries to decuce the probable region for a map knowing only its path. 1749Tries to decuce the likely region for a map knowing only its path.
1226 1750
1227=cut 1751=cut
1228 1752
1229sub find_by_path($) { 1753sub find_by_path($) {
1230 my ($path) = @_; 1754 my ($path) = @_;
1231 1755
1232 my ($match, $specificity); 1756 my ($match, $specificity);
1233 1757
1234 for my $region (list) { 1758 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1759 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1760 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1761 if $region->specificity > $specificity;
1238 } 1762 }
1239 } 1763 }
1240 1764
1261our $MAX_RESET = 3600; 1785our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1786our $DEFAULT_RESET = 3000;
1263 1787
1264sub generate_random_map { 1788sub generate_random_map {
1265 my ($self, $rmp) = @_; 1789 my ($self, $rmp) = @_;
1790
1791 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1792
1266 # mit "rum" bekleckern, nicht 1793 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1794 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1795 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1796 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1797 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1831 my ($self, $merge) = @_;
1305 1832
1306 # we have to keep some variables in memory intact 1833 # we have to keep some variables in memory intact
1307 local $self->{path}; 1834 local $self->{path};
1308 local $self->{load_path}; 1835 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1836
1312 $self->SUPER::thawer_merge ($merge); 1837 $self->SUPER::thawer_merge ($merge);
1313} 1838}
1314 1839
1315sub normalise { 1840sub normalise {
1362 $self->init; # pass $1 etc. 1887 $self->init; # pass $1 etc.
1363 return $self; 1888 return $self;
1364 } 1889 }
1365 } 1890 }
1366 1891
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1892 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1893 ()
1369} 1894}
1370 1895
1371sub init { 1896sub init {
1372 my ($self) = @_; 1897 my ($self) = @_;
1394 1919
1395# the temporary/swap location 1920# the temporary/swap location
1396sub save_path { 1921sub save_path {
1397 my ($self) = @_; 1922 my ($self) = @_;
1398 1923
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1924 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1925 "$TMPDIR/$path.map"
1401} 1926}
1402 1927
1403# the unique path, undef == no special unique path 1928# the unique path, undef == no special unique path
1404sub uniq_path { 1929sub uniq_path {
1405 my ($self) = @_; 1930 my ($self) = @_;
1406 1931
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1933 "$UNIQUEDIR/$path"
1409} 1934}
1410 1935
1411# and all this just because we cannot iterate over 1936# and all this just because we cannot iterate over
1412# all maps in C++... 1937# all maps in C++...
1415 1940
1416 $_->change_map_light ($change) 1941 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1942 for grep $_->outdoor, values %cf::MAP;
1418} 1943}
1419 1944
1945sub decay_objects {
1946 my ($self) = @_;
1947
1948 return if $self->{deny_reset};
1949
1950 $self->do_decay_objects;
1951}
1952
1420sub unlink_save { 1953sub unlink_save {
1421 my ($self) = @_; 1954 my ($self) = @_;
1422 1955
1423 utf8::encode (my $save = $self->save_path); 1956 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1960
1428sub load_header_from($) { 1961sub load_header_from($) {
1429 my ($self, $path) = @_; 1962 my ($self, $path) = @_;
1430 1963
1431 utf8::encode $path; 1964 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1965 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1966 or return;
1967
1968 $self->_load_header ($f)
1969 or return;
1970
1971 local $MAP_LOADING{$self->{path}} = $self;
1972 $f->resolve_delayed_derefs;
1437 1973
1438 $self->{load_path} = $path; 1974 $self->{load_path} = $path;
1439 1975
1440 1 1976 1
1441} 1977}
1480 $self->load_header_orig 2016 $self->load_header_orig
1481 or return; 2017 or return;
1482 $self->prepare_orig; 2018 $self->prepare_orig;
1483 } 2019 }
1484 2020
2021 $self->{deny_reset} = 1
2022 if $self->no_reset;
2023
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2024 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2025 unless $self->default_region;
1487 2026
1488 1 2027 1
1489} 2028}
1492sub find { 2031sub find {
1493 my ($path, $origin) = @_; 2032 my ($path, $origin) = @_;
1494 2033
1495 $path = normalise $path, $origin && $origin->path; 2034 $path = normalise $path, $origin && $origin->path;
1496 2035
2036 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2037 cf::lock_wait "map_find:$path";
1498 2038
1499 $cf::MAP{$path} || do { 2039 $cf::MAP{$path} || do {
2040 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500 my $guard = cf::lock_acquire "map_find:$path"; 2041 my $guard2 = cf::lock_acquire "map_find:$path";
2042
1501 my $map = new_from_path cf::map $path 2043 my $map = new_from_path cf::map $path
1502 or return; 2044 or return;
1503 2045
1504 $map->{last_save} = $cf::RUNTIME; 2046 $map->{last_save} = $cf::RUNTIME;
1505 2047
1506 $map->load_header 2048 $map->load_header
1507 or return; 2049 or return;
1508 2050
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2051 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2052 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2053 #$cf::WAIT_FOR_TICK->wait;
2054 undef $guard2;
2055 undef $guard1;
1512 $map->reset; 2056 $map->reset;
1513 undef $guard;
1514 return find $path; 2057 return find $path;
1515 } 2058 }
1516 2059
1517 $cf::MAP{$path} = $map 2060 $cf::MAP{$path} = $map
1518 } 2061 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2070 local $self->{deny_reset} = 1; # loading can take a long time
1528 2071
1529 my $path = $self->{path}; 2072 my $path = $self->{path};
1530 2073
1531 { 2074 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2075 my $guard = cf::lock_acquire "map_data:$path";
1533 2076
2077 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2078 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2079
1536 $self->in_memory (cf::MAP_LOADING); 2080 $self->in_memory (cf::MAP_LOADING);
1537 2081
1538 $self->alloc; 2082 $self->alloc;
1539 2083
1540 $self->pre_load; 2084 $self->pre_load;
1541 Coro::cede; 2085 cf::cede_to_tick;
1542 2086
2087 my $f = new_from_file cf::object::thawer $self->{load_path};
2088 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2089 $self->_load_objects ($f)
1544 or return; 2090 or return;
1545 2091
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2092 $self->post_load_original
1547 if delete $self->{load_original}; 2093 if delete $self->{load_original};
1548 2094
1549 if (my $uniq = $self->uniq_path) { 2095 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2096 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2097 unless (aio_stat $uniq) {
2098 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2099 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2100 $self->_load_objects ($f);
2101 $f->resolve_delayed_derefs;
2102 }
1554 } 2103 }
1555 } 2104 }
1556 2105
1557 Coro::cede; 2106 $f->resolve_delayed_derefs;
2107
2108 cf::cede_to_tick;
1558 # now do the right thing for maps 2109 # now do the right thing for maps
1559 $self->link_multipart_objects; 2110 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2111 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2112 unless $self->difficulty;
1562 Coro::cede; 2113 cf::cede_to_tick;
1563 2114
1564 unless ($self->{deny_activate}) { 2115 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2116 $self->decay_objects;
1566 $self->fix_auto_apply; 2117 $self->fix_auto_apply;
1567 $self->update_buttons; 2118 $self->update_buttons;
1568 Coro::cede; 2119 cf::cede_to_tick;
1569 $self->set_darkness_map; 2120 $self->set_darkness_map;
1570 Coro::cede; 2121 cf::cede_to_tick;
1571 $self->activate; 2122 $self->activate;
1572 } 2123 }
1573 2124
2125 $self->{last_save} = $cf::RUNTIME;
2126 $self->last_access ($cf::RUNTIME);
2127
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2128 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2129 }
1576 2130
1577 $self->post_load; 2131 $self->post_load;
1578} 2132}
1579 2133
1581 my ($self, $ob) = @_; 2135 my ($self, $ob) = @_;
1582 2136
1583 return find "~" . $ob->name . "/" . $self->{path} 2137 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2138 if $self->per_player;
1585 2139
2140# return find "?party/" . $ob->name . "/" . $self->{path}
2141# if $self->per_party;
2142
1586 $self 2143 $self
1587} 2144}
1588 2145
1589# find and load all maps in the 3x3 area around a map 2146# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2147sub load_neighbours {
1591 my ($map) = @_; 2148 my ($map) = @_;
1592 2149
1593 my @diag; # diagonal neighbours 2150 my @neigh; # diagonal neighbours
1594 2151
1595 for (0 .. 3) { 2152 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2153 my $neigh = $map->tile_path ($_)
1597 or next; 2154 or next;
1598 $neigh = find $neigh, $map 2155 $neigh = find $neigh, $map
1599 or next; 2156 or next;
1600 $neigh->load; 2157 $neigh->load;
1601 2158
2159 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2160 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2161 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2162 }
1605 2163
1606 for (@diag) { 2164 for (grep defined $_->[0], @neigh) {
2165 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2166 my $neigh = find $path, $origin
1608 or next; 2167 or next;
1609 $neigh->load; 2168 $neigh->load;
1610 } 2169 }
1611} 2170}
1612 2171
1617} 2176}
1618 2177
1619sub do_load_sync { 2178sub do_load_sync {
1620 my ($map) = @_; 2179 my ($map) = @_;
1621 2180
2181 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2182 if $Coro::current == $Coro::main;
2183
1622 cf::sync_job { $map->load }; 2184 cf::sync_job { $map->load };
1623} 2185}
1624 2186
1625our %MAP_PREFETCH; 2187our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2188our $MAP_PREFETCHER = undef;
1627 2189
1628sub find_async { 2190sub find_async {
1629 my ($path, $origin) = @_; 2191 my ($path, $origin, $load) = @_;
1630 2192
1631 $path = normalise $path, $origin && $origin->{path}; 2193 $path = normalise $path, $origin && $origin->{path};
1632 2194
1633 if (my $map = $cf::MAP{$path}) { 2195 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2196 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2197 }
1636 2198
1637 undef $MAP_PREFETCH{$path}; 2199 $MAP_PREFETCH{$path} |= $load;
2200
1638 $MAP_PREFETCHER ||= cf::async { 2201 $MAP_PREFETCHER ||= cf::async {
2202 $Coro::current->{desc} = "map prefetcher";
2203
1639 while (%MAP_PREFETCH) { 2204 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2205 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2206 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2207 $map->load if $v;
2208 }
1644 2209
1645 delete $MAP_PREFETCH{$path}; 2210 delete $MAP_PREFETCH{$k};
1646 } 2211 }
1647 } 2212 }
1648 undef $MAP_PREFETCHER; 2213 undef $MAP_PREFETCHER;
1649 }; 2214 };
1650 $MAP_PREFETCHER->prio (6); 2215 $MAP_PREFETCHER->prio (6);
1653} 2218}
1654 2219
1655sub save { 2220sub save {
1656 my ($self) = @_; 2221 my ($self) = @_;
1657 2222
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2223 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2224
1660 $self->{last_save} = $cf::RUNTIME; 2225 $self->{last_save} = $cf::RUNTIME;
1661 2226
1662 return unless $self->dirty; 2227 return unless $self->dirty;
1663 2228
1669 return if $self->{deny_save}; 2234 return if $self->{deny_save};
1670 2235
1671 local $self->{last_access} = $self->last_access;#d# 2236 local $self->{last_access} = $self->last_access;#d#
1672 2237
1673 cf::async { 2238 cf::async {
2239 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2240 $_->contr->save for $self->players;
1675 }; 2241 };
2242
2243 cf::get_slot 0.02;
1676 2244
1677 if ($uniq) { 2245 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2246 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2247 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2248 } else {
1686 my ($self) = @_; 2254 my ($self) = @_;
1687 2255
1688 # save first because save cedes 2256 # save first because save cedes
1689 $self->save; 2257 $self->save;
1690 2258
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2260
1693 return if $self->players; 2261 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2262 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2263 return if $self->{deny_save};
1696 2264
2265 $self->in_memory (cf::MAP_SWAPPED);
2266
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2269 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2270}
1700 2271
1701sub reset_at { 2272sub reset_at {
1702 my ($self) = @_; 2273 my ($self) = @_;
1703 2274
1704 # TODO: safety, remove and allow resettable per-player maps 2275 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2276 return 1e99 if $self->{deny_reset};
1707 2277
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2278 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2279 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2280
1721 my ($self) = @_; 2291 my ($self) = @_;
1722 2292
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2293 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2294
1725 return if $self->players; 2295 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2296
1728 warn "resetting map ", $self->path;#d# 2297 warn "resetting map ", $self->path;
1729 2298
1730 $self->in_memory (cf::MAP_SWAPPED); 2299 $self->in_memory (cf::MAP_SWAPPED);
1731 2300
1732 # need to save uniques path 2301 # need to save uniques path
1733 unless ($self->{deny_save}) { 2302 unless ($self->{deny_save}) {
1737 if $uniq; 2306 if $uniq;
1738 } 2307 }
1739 2308
1740 delete $cf::MAP{$self->path}; 2309 delete $cf::MAP{$self->path};
1741 2310
2311 $self->deactivate;
2312 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2313 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2314
1746 $self->unlink_save; 2315 $self->unlink_save;
1747 $self->destroy; 2316 $self->destroy;
1748} 2317}
1749 2318
1750my $nuke_counter = "aaaa"; 2319my $nuke_counter = "aaaa";
1751 2320
1752sub nuke { 2321sub nuke {
1753 my ($self) = @_; 2322 my ($self) = @_;
1754 2323
2324 {
2325 my $lock = cf::lock_acquire "map_data:$self->{path}";
2326
1755 delete $cf::MAP{$self->path}; 2327 delete $cf::MAP{$self->path};
1756 2328
1757 $self->unlink_save; 2329 $self->unlink_save;
1758 2330
1759 bless $self, "cf::map"; 2331 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2332 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2333 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2334 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2335 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2336
1765 $cf::MAP{$self->path} = $self; 2337 $cf::MAP{$self->path} = $self;
2338 }
1766 2339
1767 $self->reset; # polite request, might not happen 2340 $self->reset; # polite request, might not happen
2341}
2342
2343=item $maps = cf::map::tmp_maps
2344
2345Returns an arrayref with all map paths of currently instantiated and saved
2346maps. May block.
2347
2348=cut
2349
2350sub tmp_maps() {
2351 [
2352 map {
2353 utf8::decode $_;
2354 /\.map$/
2355 ? normalise $_
2356 : ()
2357 } @{ aio_readdir $TMPDIR or [] }
2358 ]
2359}
2360
2361=item $maps = cf::map::random_maps
2362
2363Returns an arrayref with all map paths of currently instantiated and saved
2364random maps. May block.
2365
2366=cut
2367
2368sub random_maps() {
2369 [
2370 map {
2371 utf8::decode $_;
2372 /\.map$/
2373 ? normalise "?random/$_"
2374 : ()
2375 } @{ aio_readdir $RANDOMDIR or [] }
2376 ]
1768} 2377}
1769 2378
1770=item cf::map::unique_maps 2379=item cf::map::unique_maps
1771 2380
1772Returns an arrayref of paths of all shared maps that have 2381Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2382instantiated unique items. May block.
1774 2383
1775=cut 2384=cut
1776 2385
1777sub unique_maps() { 2386sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2387 [
1779 or return; 2388 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2389 utf8::decode $_;
1785 next if /\.pst$/; 2390 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2391 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2392 ? ()
1788 push @paths, cf::map::normalise $_; 2393 : normalise $_
2394 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2395 ]
1790
1791 \@paths
1792} 2396}
1793
1794package cf;
1795 2397
1796=back 2398=back
1797 2399
1798=head3 cf::object 2400=head3 cf::object
1799 2401
1803 2405
1804=over 4 2406=over 4
1805 2407
1806=item $ob->inv_recursive 2408=item $ob->inv_recursive
1807 2409
1808Returns the inventory of the object _and_ their inventories, recursively. 2410Returns the inventory of the object I<and> their inventories, recursively,
2411but I<not> the object itself.
1809 2412
1810=cut 2413=cut
1811 2414
1812sub inv_recursive_; 2415sub inv_recursive_;
1813sub inv_recursive_ { 2416sub inv_recursive_ {
1816 2419
1817sub inv_recursive { 2420sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2421 inv_recursive_ inv $_[0]
1819} 2422}
1820 2423
2424=item $ref = $ob->ref
2425
2426Creates and returns a persistent reference to an object that can be stored as a string.
2427
2428=item $ob = cf::object::deref ($refstring)
2429
2430returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2431even if the object actually exists. May block.
2432
2433=cut
2434
2435sub deref {
2436 my ($ref) = @_;
2437
2438 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2439 my ($uuid, $name) = ($1, $2);
2440 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2441 or return;
2442 $pl->ob->uuid eq $uuid
2443 or return;
2444
2445 $pl->ob
2446 } else {
2447 warn "$ref: cannot resolve object reference\n";
2448 undef
2449 }
2450}
2451
1821package cf; 2452package cf;
1822 2453
1823=back 2454=back
1824 2455
1825=head3 cf::object::player 2456=head3 cf::object::player
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2462Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2463can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2464dialogue with the given NPC character.
1834 2465
1835=cut 2466=cut
2467
2468our $SAY_CHANNEL = {
2469 id => "say",
2470 title => "Map",
2471 reply => "say ",
2472 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2473};
2474
2475our $CHAT_CHANNEL = {
2476 id => "chat",
2477 title => "Chat",
2478 reply => "chat ",
2479 tooltip => "Player chat and shouts, global to the server.",
2480};
1836 2481
1837# rough implementation of a future "reply" method that works 2482# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2483# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2484#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2485sub cf::object::player::reply($$$;$) {
1842 2487
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2488 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2489
1845 if ($self->{record_replies}) { 2490 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2491 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2492
1847 } else { 2493 } else {
2494 my $pl = $self->contr;
2495
2496 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2497 my $dialog = $pl->{npc_dialog};
2498 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2499
2500 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2501 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2502 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2503 }
1850 } 2504 }
2505}
2506
2507=item $object->send_msg ($channel, $msg, $color, [extra...])
2508
2509=cut
2510
2511sub cf::object::send_msg {
2512 my $pl = shift->contr
2513 or return;
2514 $pl->send_msg (@_);
1851} 2515}
1852 2516
1853=item $player_object->may ("access") 2517=item $player_object->may ("access")
1854 2518
1855Returns wether the given player is authorized to access resource "access" 2519Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2598 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2599 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2600 if $x <=0 && $y <= 0;
1937 2601
1938 $map->load; 2602 $map->load;
1939 $map->load_diag; 2603 $map->load_neighbours;
1940 2604
1941 return unless $self->contr->active; 2605 return unless $self->contr->active;
1942 $self->activate_recursive; 2606 $self->activate_recursive;
1943 2607
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2609 $self->enter_map ($map, $x, $y);
1946} 2610}
1947 2611
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2613
1950Moves the player to the given map-path and coordinates by first freezing 2614Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2615her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2616that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2617the new (success) or old (failed) map position. In either case, $done will
2618be called at the end of this process.
2619
2620Note that $check will be called with a potentially non-loaded map, so if
2621it needs a loaded map it has to call C<< ->load >>.
1954 2622
1955=cut 2623=cut
1956 2624
1957our $GOTOGEN; 2625our $GOTOGEN;
1958 2626
1959sub cf::object::player::goto { 2627sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2628 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2629
1962 # do generation counting so two concurrent goto's will be executed in-order 2630 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2631 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2632
1965 $self->enter_link; 2633 $self->enter_link;
1966 2634
1967 (async { 2635 (async {
2636 $Coro::current->{desc} = "player::goto $path $x $y";
2637
2638 # *tag paths override both path and x|y
2639 if ($path =~ /^\*(.*)$/) {
2640 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2641 my $ob = $obs[rand @obs];
2642
2643 # see if we actually can go there
2644 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2645 $ob = $obs[rand @obs];
2646 } else {
2647 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2648 }
2649 # else put us there anyways for now #d#
2650
2651 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2652 } else {
2653 ($path, $x, $y) = (undef, undef, undef);
2654 }
2655 }
2656
1968 my $map = eval { 2657 my $map = eval {
1969 my $map = cf::map::find $path; 2658 my $map = defined $path ? cf::map::find $path : undef;
1970 2659
1971 if ($map) { 2660 if ($map) {
1972 $map = $map->customise_for ($self); 2661 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2662 $map = $check->($map) if $check && $map;
1974 } else { 2663 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2664 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2665 }
1977 2666
1978 $map 2667 $map
1979 }; 2668 };
1980 2669
1985 2674
1986 if ($gen == $self->{_goto_generation}) { 2675 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2676 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2677 $self->leave_link ($map, $x, $y);
1989 } 2678 }
2679
2680 $done->() if $done;
1990 })->prio (1); 2681 })->prio (1);
1991} 2682}
1992 2683
1993=item $player_object->enter_exit ($exit_object) 2684=item $player_object->enter_exit ($exit_object)
1994 2685
2014} 2705}
2015 2706
2016sub prepare_random_map { 2707sub prepare_random_map {
2017 my ($exit) = @_; 2708 my ($exit) = @_;
2018 2709
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2710 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2711 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2712 # that depends on the exit object
2024 2713
2025 my $rmp = parse_random_map_params $exit->msg; 2714 my $rmp = parse_random_map_params $exit->msg;
2027 if ($exit->map) { 2716 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2717 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2718 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2719 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2720 $rmp->{origin_y} = $exit->y;
2721
2722 $exit->map->touch;
2032 } 2723 }
2033 2724
2034 $rmp->{random_seed} ||= $exit->random_seed; 2725 $rmp->{random_seed} ||= $exit->random_seed;
2035 2726
2036 my $data = cf::to_json $rmp; 2727 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2728 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2729 my $meta = "$RANDOMDIR/$md5.meta";
2039 2730
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2731 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2732 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2733 undef $fh;
2043 aio_rename "$meta~", $meta; 2734 aio_rename "$meta~", $meta;
2044 2735
2736 my $slaying = "?random/$md5";
2737
2738 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2739 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2740 $exit->msg (undef);
2741 }
2047 } 2742 }
2048} 2743}
2049 2744
2050sub cf::object::player::enter_exit { 2745sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2746 my ($self, $exit) = @_;
2052 2747
2053 return unless $self->type == cf::PLAYER; 2748 return unless $self->type == cf::PLAYER;
2054 2749
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2750 $self->enter_link;
2067 2751
2068 (async { 2752 (async {
2069 $self->deactivate_recursive; # just to be sure 2753 $Coro::current->{desc} = "enter_exit";
2754
2070 unless (eval { 2755 unless (eval {
2756 $self->deactivate_recursive; # just to be sure
2757
2758 # random map handling
2759 {
2760 my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762 prepare_random_map $exit
2763 if $exit->slaying eq "/!";
2764 }
2765
2766 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2767 my $x = $exit->stats->hp;
2768 my $y = $exit->stats->sp;
2769
2071 $self->goto ($slaying, $hp, $sp); 2770 $self->goto ($map, $x, $y);
2072 2771
2772 # if exit is damned, update players death & WoR home-position
2773 $self->contr->savebed ($map, $x, $y)
2774 if $exit->flag (cf::FLAG_DAMNED);
2775
2073 1; 2776 1
2074 }) { 2777 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the crossfire server. "
2076 . "I'll try to bring you back to the map you were before. " 2779 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
2099 2802
2100 utf8::encode $text; 2803 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2804 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2805}
2103 2806
2807=item $client->send_msg ($channel, $msg, $color, [extra...])
2808
2809Send a drawinfo or msg packet to the client, formatting the msg for the
2810client if neccessary. C<$type> should be a string identifying the type of
2811the message, with C<log> being the default. If C<$color> is negative, suppress
2812the message unless the client supports the msg packet.
2813
2814=cut
2815
2816# non-persistent channels (usually the info channel)
2817our %CHANNEL = (
2818 "c/identify" => {
2819 id => "infobox",
2820 title => "Identify",
2821 reply => undef,
2822 tooltip => "Items recently identified",
2823 },
2824 "c/examine" => {
2825 id => "infobox",
2826 title => "Examine",
2827 reply => undef,
2828 tooltip => "Signs and other items you examined",
2829 },
2830 "c/book" => {
2831 id => "infobox",
2832 title => "Book",
2833 reply => undef,
2834 tooltip => "The contents of a note or book",
2835 },
2836 "c/lookat" => {
2837 id => "infobox",
2838 title => "Look",
2839 reply => undef,
2840 tooltip => "What you saw there",
2841 },
2842 "c/who" => {
2843 id => "infobox",
2844 title => "Players",
2845 reply => undef,
2846 tooltip => "Shows players who are currently online",
2847 },
2848 "c/body" => {
2849 id => "infobox",
2850 title => "Body Parts",
2851 reply => undef,
2852 tooltip => "Shows which body parts you posess and are available",
2853 },
2854 "c/uptime" => {
2855 id => "infobox",
2856 title => "Uptime",
2857 reply => undef,
2858 tooltip => "How long the server has been running since last restart",
2859 },
2860 "c/mapinfo" => {
2861 id => "infobox",
2862 title => "Map Info",
2863 reply => undef,
2864 tooltip => "Information related to the maps",
2865 },
2866 "c/party" => {
2867 id => "party",
2868 title => "Party",
2869 reply => "gsay ",
2870 tooltip => "Messages and chat related to your party",
2871 },
2872);
2873
2874sub cf::client::send_msg {
2875 my ($self, $channel, $msg, $color, @extra) = @_;
2876
2877 $msg = $self->pl->expand_cfpod ($msg);
2878
2879 $color &= cf::NDI_CLIENT_MASK; # just in case...
2880
2881 # check predefined channels, for the benefit of C
2882 if ($CHANNEL{$channel}) {
2883 $channel = $CHANNEL{$channel};
2884
2885 $self->ext_msg (channel_info => $channel)
2886 if $self->can_msg;
2887
2888 $channel = $channel->{id};
2889
2890 } elsif (ref $channel) {
2891 # send meta info to client, if not yet sent
2892 unless (exists $self->{channel}{$channel->{id}}) {
2893 $self->{channel}{$channel->{id}} = $channel;
2894 $self->ext_msg (channel_info => $channel)
2895 if $self->can_msg;
2896 }
2897
2898 $channel = $channel->{id};
2899 }
2900
2901 return unless @extra || length $msg;
2902
2903 if ($self->can_msg) {
2904 # default colour, mask it out
2905 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906 if $color & cf::NDI_DEF;
2907
2908 $self->send_packet ("msg " . $self->{json_coder}->encode (
2909 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2910 } else {
2911 if ($color >= 0) {
2912 # replace some tags by gcfclient-compatible ones
2913 for ($msg) {
2914 1 while
2915 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920 }
2921
2922 $color &= cf::NDI_COLOR_MASK;
2923
2924 utf8::encode $msg;
2925
2926 if (0 && $msg =~ /\[/) {
2927 # COMMAND/INFO
2928 $self->send_packet ("drawextinfo $color 10 8 $msg")
2929 } else {
2930 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931 $self->send_packet ("drawinfo $color $msg")
2932 }
2933 }
2934 }
2935}
2936
2104=item $client->ext_event ($type, %msg) 2937=item $client->ext_msg ($type, @msg)
2105 2938
2106Sends an exti event to the client. 2939Sends an ext event to the client.
2107 2940
2108=cut 2941=cut
2109 2942
2110sub cf::client::ext_event($$%) { 2943sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2944 my ($self, $type, @msg) = @_;
2112 2945
2946 if ($self->extcmd == 2) {
2947 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2949 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2950 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951 }
2952}
2953
2954=item $client->ext_reply ($msgid, @msg)
2955
2956Sends an ext reply to the client.
2957
2958=cut
2959
2960sub cf::client::ext_reply($$@) {
2961 my ($self, $id, @msg) = @_;
2962
2963 if ($self->extcmd == 2) {
2964 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965 } elsif ($self->extcmd == 1) {
2966 #TODO: version 1, remove
2967 unshift @msg, msgtype => "reply", msgid => $id;
2968 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969 }
2115} 2970}
2116 2971
2117=item $success = $client->query ($flags, "text", \&cb) 2972=item $success = $client->query ($flags, "text", \&cb)
2118 2973
2119Queues a query to the client, calling the given callback with 2974Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2975the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2976C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2977
2123Queries can fail, so check the return code. Or don't, as queries will become 2978Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2979become reliable at some point in the future.
2125 2980
2126=cut 2981=cut
2127 2982
2128sub cf::client::query { 2983sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2984 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2992 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2993 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2994
2140 $self->send_packet ($self->{query_queue}[0][0]) 2995 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2996 if @{ $self->{query_queue} } == 1;
2997
2998 1
2142} 2999}
2143 3000
2144cf::client->attach ( 3001cf::client->attach (
3002 on_connect => sub {
3003 my ($ns) = @_;
3004
3005 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3006 },
2145 on_reply => sub { 3007 on_reply => sub {
2146 my ($ns, $msg) = @_; 3008 my ($ns, $msg) = @_;
2147 3009
2148 # this weird shuffling is so that direct followup queries 3010 # this weird shuffling is so that direct followup queries
2149 # get handled first 3011 # get handled first
2161 } else { 3023 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3025 }
2164 } 3026 }
2165 }, 3027 },
3028 on_exticmd => sub {
3029 my ($ns, $buf) = @_;
3030
3031 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3032
3033 if (ref $msg) {
3034 my ($type, $reply, @payload) =
3035 "ARRAY" eq ref $msg
3036 ? @$msg
3037 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3038
3039 my @reply;
3040
3041 if (my $cb = $EXTICMD{$type}) {
3042 @reply = $cb->($ns, @payload);
3043 }
3044
3045 $ns->ext_reply ($reply, @reply)
3046 if $reply;
3047
3048 } else {
3049 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3050 }
3051
3052 cf::override;
3053 },
2166); 3054);
2167 3055
2168=item $client->async (\&cb) 3056=item $client->async (\&cb)
2169 3057
2170Create a new coroutine, running the specified callback. The coroutine will 3058Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3099our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3100our $safe_hole = new Safe::Hole;
2213 3101
2214$SIG{FPE} = 'IGNORE'; 3102$SIG{FPE} = 'IGNORE';
2215 3103
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3104$safe->permit_only (Opcode::opset qw(
3105 :base_core :base_mem :base_orig :base_math
3106 grepstart grepwhile mapstart mapwhile
3107 sort time
3108));
2217 3109
2218# here we export the classes and methods available to script code 3110# here we export the classes and methods available to script code
2219 3111
2220=pod 3112=pod
2221 3113
2222The following functions and methods are available within a safe environment: 3114The following functions and methods are available within a safe environment:
2223 3115
2224 cf::object contr pay_amount pay_player map 3116 cf::object
3117 contr pay_amount pay_player map x y force_find force_add destroy
3118 insert remove name archname title slaying race decrease split
3119
2225 cf::object::player player 3120 cf::object::player
2226 cf::player peaceful 3121 player
2227 cf::map trigger 3122
3123 cf::player
3124 peaceful
3125
3126 cf::map
3127 trigger
2228 3128
2229=cut 3129=cut
2230 3130
2231for ( 3131for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3132 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3133 insert remove inv nrof name archname title slaying race
3134 decrease split destroy change_exp)],
2233 ["cf::object::player" => qw(player)], 3135 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3136 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3137 ["cf::map" => qw(trigger)],
2236) { 3138) {
2237 no strict 'refs'; 3139 no strict 'refs';
2308=back 3210=back
2309 3211
2310=cut 3212=cut
2311 3213
2312############################################################################# 3214#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3215# the server's init and main functions
2486 3216
2487sub load_facedata($) { 3217sub load_facedata($) {
2488 my ($path) = @_; 3218 my ($path) = @_;
3219
3220 # HACK to clear player env face cache, we need some signal framework
3221 # for this (global event?)
3222 %ext::player_env::MUSIC_FACE_CACHE = ();
3223
3224 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3225
2490 warn "loading facedata from $path\n"; 3226 warn "loading facedata from $path\n";
2491 3227
2492 my $facedata; 3228 my $facedata;
2493 0 < aio_load $path, $facedata 3229 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3232 $facedata = Coro::Storable::thaw $facedata;
2497 3233
2498 $facedata->{version} == 2 3234 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3235 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3236
3237 # patch in the exptable
3238 $facedata->{resource}{"res/exp_table"} = {
3239 type => FT_RSRC,
3240 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3241 };
3242 cf::cede_to_tick;
3243
2501 { 3244 {
2502 my $faces = $facedata->{faceinfo}; 3245 my $faces = $facedata->{faceinfo};
2503 3246
2504 while (my ($face, $info) = each %$faces) { 3247 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3248 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3250 cf::face::set_visibility $idx, $info->{visibility};
3251 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3252 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3253 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3254
3255 cf::cede_to_tick;
2510 } 3256 }
2511 3257
2512 while (my ($face, $info) = each %$faces) { 3258 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3259 next unless $info->{smooth};
3260
2514 my $idx = cf::face::find $face 3261 my $idx = cf::face::find $face
2515 or next; 3262 or next;
3263
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3264 if (my $smooth = cf::face::find $info->{smooth}) {
3265 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3266 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3267 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3268 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3269 }
2521 Coro::cede; 3270
3271 cf::cede_to_tick;
2522 } 3272 }
2523 } 3273 }
2524 3274
2525 { 3275 {
2526 my $anims = $facedata->{animinfo}; 3276 my $anims = $facedata->{animinfo};
2527 3277
2528 while (my ($anim, $info) = each %$anims) { 3278 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3279 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3280 cf::cede_to_tick;
2531 } 3281 }
2532 3282
2533 cf::anim::invalidate_all; # d'oh 3283 cf::anim::invalidate_all; # d'oh
2534 } 3284 }
2535 3285
3286 {
3287 # TODO: for gcfclient pleasure, we should give resources
3288 # that gcfclient doesn't grok a >10000 face index.
3289 my $res = $facedata->{resource};
3290
3291 while (my ($name, $info) = each %$res) {
3292 if (defined $info->{type}) {
3293 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294 my $data;
3295
3296 if ($info->{type} & 1) {
3297 # prepend meta info
3298
3299 my $meta = $enc->encode ({
3300 name => $name,
3301 %{ $info->{meta} || {} },
3302 });
3303
3304 $data = pack "(w/a*)*", $meta, $info->{data};
3305 } else {
3306 $data = $info->{data};
3307 }
3308
3309 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310 cf::face::set_type $idx, $info->{type};
3311 } else {
3312 $RESOURCE{$name} = $info;
3313 }
3314
3315 cf::cede_to_tick;
3316 }
3317 }
3318
3319 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3320
2536 1 3321 1
2537} 3322}
2538 3323
3324cf::global->attach (on_resource_update => sub {
3325 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3326 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3327
3328 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3329 my $sound = $soundconf->{compat}[$_]
3330 or next;
3331
3332 my $face = cf::face::find "sound/$sound->[1]";
3333 cf::sound::set $sound->[0] => $face;
3334 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3335 }
3336
3337 while (my ($k, $v) = each %{$soundconf->{event}}) {
3338 my $face = cf::face::find "sound/$v";
3339 cf::sound::set $k => $face;
3340 }
3341 }
3342});
3343
3344register_exticmd fx_want => sub {
3345 my ($ns, $want) = @_;
3346
3347 while (my ($k, $v) = each %$want) {
3348 $ns->fx_want ($k, $v);
3349 }
3350};
3351
3352sub load_resource_file($) {
3353 my $guard = lock_acquire "load_resource_file";
3354
3355 my $status = load_resource_file_ $_[0];
3356 get_slot 0.1, 100;
3357 cf::arch::commit_load;
3358
3359 $status
3360}
3361
2539sub reload_regions { 3362sub reload_regions {
3363 # HACK to clear player env face cache, we need some signal framework
3364 # for this (global event?)
3365 %ext::player_env::MUSIC_FACE_CACHE = ();
3366
2540 load_resource_file "$MAPDIR/regions" 3367 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3368 or die "unable to load regions file\n";
3369
3370 for (cf::region::list) {
3371 $_->{match} = qr/$_->{match}/
3372 if exists $_->{match};
3373 }
2542} 3374}
2543 3375
2544sub reload_facedata { 3376sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3377 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3378 or die "unable to load facedata\n";
2557} 3389}
2558 3390
2559sub reload_resources { 3391sub reload_resources {
2560 warn "reloading resource files...\n"; 3392 warn "reloading resource files...\n";
2561 3393
2562 reload_regions;
2563 reload_facedata; 3394 reload_facedata;
2564 reload_archetypes; 3395 reload_archetypes;
3396 reload_regions;
2565 reload_treasures; 3397 reload_treasures;
2566 3398
2567 warn "finished reloading resource files\n"; 3399 warn "finished reloading resource files\n";
2568} 3400}
2569 3401
2570sub init { 3402sub init {
3403 my $guard = freeze_mainloop;
3404
3405 evthread_start IO::AIO::poll_fileno;
3406
2571 reload_resources; 3407 reload_resources;
2572} 3408}
2573 3409
2574sub cfg_load { 3410sub reload_config {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3411 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3412 or return;
2577 3413
2578 local $/; 3414 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3415 *CFG = YAML::Load <$fh>;
2580 3416
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3417 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3418
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3419 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3420 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595sub main { 3431sub main {
2596 # we must not ever block the main coroutine 3432 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3433 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3434 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3435 (async {
2600 Event::one_event; 3436 $Coro::current->{desc} = "IDLE BUG HANDLER";
3437 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3438 })->prio (Coro::PRIO_MAX);
2602 }; 3439 };
2603 3440
2604 cfg_load; 3441 {
3442 my $guard = freeze_mainloop;
3443 reload_config;
2605 db_init; 3444 db_init;
2606 load_extensions; 3445 load_extensions;
2607 3446
2608 $TICK_WATCHER->start; 3447 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3448 }
3449
2609 Event::loop; 3450 EV::loop;
2610} 3451}
2611 3452
2612############################################################################# 3453#############################################################################
2613# initialisation and cleanup 3454# initialisation and cleanup
2614 3455
2615# install some emergency cleanup handlers 3456# install some emergency cleanup handlers
2616BEGIN { 3457BEGIN {
3458 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3459 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3460 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3461 cf::cleanup "SIG$signal";
2625 },
2626 ); 3462 };
3463 }
3464}
3465
3466sub write_runtime_sync {
3467 my $runtime = "$LOCALDIR/runtime";
3468
3469 # first touch the runtime file to show we are still running:
3470 # the fsync below can take a very very long time.
3471
3472 IO::AIO::aio_utime $runtime, undef, undef;
3473
3474 my $guard = cf::lock_acquire "write_runtime";
3475
3476 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3477 or return;
3478
3479 my $value = $cf::RUNTIME + 90 + 10;
3480 # 10 is the runtime save interval, for a monotonic clock
3481 # 60 allows for the watchdog to kill the server.
3482
3483 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3484 and return;
3485
3486 # always fsync - this file is important
3487 aio_fsync $fh
3488 and return;
3489
3490 # touch it again to show we are up-to-date
3491 aio_utime $fh, undef, undef;
3492
3493 close $fh
3494 or return;
3495
3496 aio_rename "$runtime~", $runtime
3497 and return;
3498
3499 warn "runtime file written.\n";
3500
2627 } 3501 1
3502}
3503
3504our $uuid_lock;
3505our $uuid_skip;
3506
3507sub write_uuid_sync($) {
3508 $uuid_skip ||= $_[0];
3509
3510 return if $uuid_lock;
3511 local $uuid_lock = 1;
3512
3513 my $uuid = "$LOCALDIR/uuid";
3514
3515 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516 or return;
3517
3518 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3519 $uuid_skip = 0;
3520
3521 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3522 and return;
3523
3524 # always fsync - this file is important
3525 aio_fsync $fh
3526 and return;
3527
3528 close $fh
3529 or return;
3530
3531 aio_rename "$uuid~", $uuid
3532 and return;
3533
3534 warn "uuid file written ($value).\n";
3535
3536 1
3537
3538}
3539
3540sub write_uuid($$) {
3541 my ($skip, $sync) = @_;
3542
3543 $sync ? write_uuid_sync $skip
3544 : async { write_uuid_sync $skip };
2628} 3545}
2629 3546
2630sub emergency_save() { 3547sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3548 my $freeze_guard = cf::freeze_mainloop;
2632 3549
2638 # and maps saved/destroyed asynchronously. 3555 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3556 warn "begin emergency player save\n";
2640 for my $login (keys %cf::PLAYER) { 3557 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3558 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3559 $pl->valid or next;
3560 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3561 $pl->save;
2644 } 3562 }
2645 warn "end emergency player save\n"; 3563 warn "end emergency player save\n";
2646 3564
2647 warn "begin emergency map save\n"; 3565 warn "begin emergency map save\n";
2653 warn "end emergency map save\n"; 3571 warn "end emergency map save\n";
2654 3572
2655 warn "begin emergency database checkpoint\n"; 3573 warn "begin emergency database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3574 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3575 warn "end emergency database checkpoint\n";
3576
3577 warn "begin write uuid\n";
3578 write_uuid_sync 1;
3579 warn "end write uuid\n";
2658 }; 3580 };
2659 3581
2660 warn "leave emergency perl save\n"; 3582 warn "leave emergency perl save\n";
2661} 3583}
2662 3584
2677 warn "reloading..."; 3599 warn "reloading...";
2678 3600
2679 warn "entering sync_job"; 3601 warn "entering sync_job";
2680 3602
2681 cf::sync_job { 3603 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3604 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3605 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3606 cf::write_runtime_sync; # external watchdog should not bark
2685 3607
2686 warn "syncing database to disk"; 3608 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3609 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3610
2689 # if anything goes wrong in here, we should simply crash as we already saved 3611 # if anything goes wrong in here, we should simply crash as we already saved
2690
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695 3612
2696 warn "flushing outstanding aio requests"; 3613 warn "flushing outstanding aio requests";
2697 for (;;) { 3614 for (;;) {
2698 BDB::flush; 3615 BDB::flush;
2699 IO::AIO::flush; 3616 IO::AIO::flush;
2700 Coro::cede; 3617 Coro::cede_notself;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3618 last unless IO::AIO::nreqs || BDB::nreqs;
2702 warn "iterate..."; 3619 warn "iterate...";
2703 } 3620 }
2704 3621
2705 ++$RELOAD; 3622 ++$RELOAD;
2709 %EXT_CORO = (); 3626 %EXT_CORO = ();
2710 3627
2711 warn "removing commands"; 3628 warn "removing commands";
2712 %COMMAND = (); 3629 %COMMAND = ();
2713 3630
2714 warn "removing ext commands"; 3631 warn "removing ext/exti commands";
2715 %EXTCMD = (); 3632 %EXTCMD = ();
3633 %EXTICMD = ();
2716 3634
2717 warn "unloading/nuking all extensions"; 3635 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) { 3636 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg"; 3637 warn "... unloading $pkg";
2720 3638
2763 warn "reloading cf.pm"; 3681 warn "reloading cf.pm";
2764 require cf; 3682 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3683 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3684
2767 warn "loading config and database again"; 3685 warn "loading config and database again";
2768 cf::cfg_load; 3686 cf::reload_config;
2769 3687
2770 warn "loading extensions"; 3688 warn "loading extensions";
2771 cf::load_extensions; 3689 cf::load_extensions;
2772 3690
2773 warn "reattaching attachments to objects/players"; 3691 warn "reattaching attachments to objects/players";
2780 warn "leaving sync_job"; 3698 warn "leaving sync_job";
2781 3699
2782 1 3700 1
2783 } or do { 3701 } or do {
2784 warn $@; 3702 warn $@;
2785 warn "error while reloading, exiting."; 3703 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3704 };
2788 3705
2789 warn "reloaded"; 3706 warn "reloaded";
2790}; 3707};
2791 3708
2793 3710
2794sub reload_perl() { 3711sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3712 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3713 # coro crashes during coro_state_free->destroy here.
2797 3714
2798 $RELOAD_WATCHER ||= Event->timer ( 3715 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799 reentrant => 0,
2800 after => 0,
2801 data => WF_AUTOCANCEL,
2802 cb => sub {
2803 do_reload_perl; 3716 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3717 undef $RELOAD_WATCHER;
2805 },
2806 ); 3718 };
2807} 3719}
2808 3720
2809register_command "reload" => sub { 3721register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3722 my ($who, $arg) = @_;
2811 3723
2812 if ($who->flag (FLAG_WIZ)) { 3724 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3725 $who->message ("reloading server.");
3726 async {
3727 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3728 reload_perl;
3729 };
2815 } 3730 }
2816}; 3731};
2817 3732
2818unshift @INC, $LIBDIR; 3733unshift @INC, $LIBDIR;
2819 3734
2821 3736
2822our @WAIT_FOR_TICK; 3737our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3738our @WAIT_FOR_TICK_BEGIN;
2824 3739
2825sub wait_for_tick { 3740sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3741 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3742
2829 my $signal = new Coro::Signal; 3743 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3744 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3745 $signal->wait;
2832} 3746}
2833 3747
2834sub wait_for_tick_begin { 3748sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3749 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3750
2838 my $signal = new Coro::Signal; 3751 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3752 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3753 $signal->wait;
2841} 3754}
2842 3755
2843 my $min = 1e6;#d# 3756sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3757 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3758 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3759 unless ++$bug_warning > 10;
2855 return; 3760 return;
2856 } 3761 }
2857 3762
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3763 cf::server_tick; # one server iteration
2861 3764
2862 0 && sync_job {#d# 3765 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3766 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3767 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3768 $Coro::current->{desc} = "runtime saver";
2866 or die; 3769 write_runtime_sync
2867 3770 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3771 };
3772 }
2884 3773
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3774 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3775 $sig->send;
2901 } 3776 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3777 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3778 $sig->send;
2904 } 3779 }
2905 3780
2906 $NOW = Event::time; 3781 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3782 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3783
2917 _post_tick; 3784 if (0) {
2918 3785 if ($NEXT_TICK) {
2919 3786 my $jitter = $TICK_START - $NEXT_TICK;
3787 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3788 warn "jitter $JITTER\n";#d#
3789 }
2920 }, 3790 }
2921); 3791}
2922 3792
2923{ 3793{
2924 BDB::max_poll_time $TICK * 0.1; 3794 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3795
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3796 BDB::min_parallel 8;
2934 3797 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3798 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3799
2950 unless ($DB_ENV) { 3800 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3801 $DB_ENV = BDB::db_env_create;
3802 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3803 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3804 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3805 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3806 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3807
2953 cf::sync_job { 3808 cf::sync_job {
2954 eval { 3809 eval {
2955 BDB::db_env_open 3810 BDB::db_env_open
2956 $DB_ENV, 3811 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3813 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3814 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3815 0666;
2961 3816
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3817 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3818 };
2967 3819
2968 cf::cleanup "db_env_open(db): $@" if $@; 3820 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3821 };
2970 } 3822 }
3823
3824 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3825 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3826 };
3827 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3828 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3829 };
3830 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3831 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3832 };
2971} 3833}
2972 3834
2973{ 3835{
3836 # configure IO::AIO
3837
2974 IO::AIO::min_parallel 8; 3838 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3839 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3840 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3841}
2987 3842
2988my $_log_backtrace; 3843my $_log_backtrace;
2989 3844
2990sub _log_backtrace { 3845sub _log_backtrace {
2994 3849
2995 # limit the # of concurrent backtraces 3850 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3851 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3852 ++$_log_backtrace;
2998 async { 3853 async {
3854 $Coro::current->{desc} = "abt $msg";
3855
2999 my @bt = fork_call { 3856 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3857 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3858 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3859 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3860 or die "addr2line: $!";

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines