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Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.414 by root, Thu Apr 10 09:10:45 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 87our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 90our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
71 93
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 97our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
79 99
80our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 104our $DB_ENV;
82 105
83our %CFG; 106our %CFG;
84 107
85our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 109our $RUNTIME;
110our $NOW;
87 111
88our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
91 115
92# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 118
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 122our $TICK_START; # for load detecting purposes
98 123
99binmode STDOUT; 124binmode STDOUT;
100binmode STDERR; 125binmode STDERR;
101 126
102# read virtual server time, if available 127# read virtual server time, if available
155 180
156The raw value load value from the last tick. 181The raw value load value from the last tick.
157 182
158=item %cf::CFG 183=item %cf::CFG
159 184
160Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 186from wherever your confdir points to.
162 187
163=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
164 189
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 191returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
169=back 200=back
170 201
171=cut 202=cut
172 203
173BEGIN { 204BEGIN {
177 $msg .= "\n" 208 $msg .= "\n"
178 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
179 210
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 212
182 utf8::encode $msg;
183 LOG llevError, $msg; 213 LOG llevError, $msg;
184 }; 214 };
185} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
186 231
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
203)) { 248)) {
204 no strict 'refs'; 249 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 251}
207 252
208$Event::DIED = sub { 253$EV::DIED = sub {
209 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
210}; 255};
256
257#############################################################################
211 258
212=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
213 260
214=over 4 261=over 4
215 262
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 282 $d
236 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
237} 284}
238 285
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
242 287
243Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
244 289
245=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
246 291
247Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
248 300
249=item cf::lock_wait $string 301=item cf::lock_wait $string
250 302
251Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
252 304
255Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
258returned. 310returned.
259 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
260Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
262 317
263=item $locked = cf::lock_active $string 318=item $locked = cf::lock_active $string
264 319
265Return true if the lock is currently active, i.e. somebody has locked it. 320Return true if the lock is currently active, i.e. somebody has locked it.
266 321
267=cut 322=cut
268 323
269our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
270 326
271sub lock_wait($) { 327sub lock_wait($) {
272 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
273 334
274 # wait for lock, if any 335 # wait for lock, if any
275 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 338 Coro::schedule;
283 344
284 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
285 lock_wait $key; 346 lock_wait $key;
286 347
287 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
288 350
289 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
292 } 355 }
293} 356}
294 357
297 360
298 ! ! $LOCK{$key} 361 ! ! $LOCK{$key}
299} 362}
300 363
301sub freeze_mainloop { 364sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
303 366
304 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
305 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
306 }; 428 }
307 $TICK_WATCHER->stop; 429};
308 $guard 430
431sub get_slot($;$$) {
432 my ($time, $pri, $name) = @_;
433
434 $time = $TICK * .6 if $time > $TICK * .6;
435 my $sig = new Coro::Signal;
436
437 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439 $SLOT_QUEUE->ready;
440 $sig->wait;
309} 441}
310 442
311=item cf::async { BLOCK } 443=item cf::async { BLOCK }
312 444
313Currently the same as Coro::async_pool, meaning you cannot use 445Currently the same as Coro::async_pool, meaning you cannot use
318 450
319BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
320 452
321=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
322 454
323The design of crossfire+ requires that the main coro ($Coro::main) is 455The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 456is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
458acceptable.
326 459
327If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 462server will be frozen during this time, so the block should either finish
330fast or be very important. 463fast or be very important.
333 466
334sub sync_job(&) { 467sub sync_job(&) {
335 my ($job) = @_; 468 my ($job) = @_;
336 469
337 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 471 my $time = EV::time;
339 472
340 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
342 475
343 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 477
345 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
346 479
347 my $busy = 1; 480 my $busy = 1;
348 my @res; 481 my @res;
349 482
350 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 485 @res = eval { $job->() };
352 warn $@ if $@; 486 warn $@ if $@;
353 undef $busy; 487 undef $busy;
354 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
355 489
356 while ($busy) { 490 while ($busy) {
357 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
358 } 495 }
496 }
359 497
360 $time = Event::time - $time; 498 my $time = EV::time - $time;
361 499
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 500 $TICK_START += $time; # do not account sync jobs to server load
366 501
367 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
368 } else { 503 } else {
369 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
370 505
390 $EXT_CORO{$coro+0} = $coro; 525 $EXT_CORO{$coro+0} = $coro;
391 526
392 $coro 527 $coro
393} 528}
394 529
395sub write_runtime { 530=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 531
398 # first touch the runtime file to show we are still running: 532Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 533process, returning the results. Everything must be serialisable with
534Coro::Storable. May, of course, block. Note that the executed sub may
535never block itself or use any form of event handling.
400 536
401 IO::AIO::aio_utime $runtime, undef, undef; 537=cut
402 538
403 my $guard = cf::lock_acquire "write_runtime"; 539sub fork_call(&@) {
540 my ($cb, @args) = @_;
404 541
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542 # we seemingly have to make a local copy of the whole thing,
406 or return; 543 # otherwise perl prematurely frees the stuff :/
544 # TODO: investigate and fix (likely this will be rather laborious)
407 545
408 my $value = $cf::RUNTIME + 90 + 10; 546 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 547 reset_signals;
410 # 60 allows for the watchdog to kill the server. 548 &$cb
549 }, @args;
411 550
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 551 wantarray ? @res : $res[-1]
413 and return; 552}
414 553
415 # always fsync - this file is important 554=item $value = cf::db_get $family => $key
416 aio_fsync $fh
417 and return;
418 555
419 # touch it again to show we are up-to-date 556Returns a single value from the environment database.
420 aio_utime $fh, undef, undef;
421 557
422 close $fh 558=item cf::db_put $family => $key => $value
423 or return;
424 559
425 aio_rename "$runtime~", $runtime 560Stores the given C<$value> in the family. It can currently store binary
426 and return; 561data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427 562
428 warn "runtime file written.\n"; 563=item $db = cf::db_table "name"
429 564
565Create and/or open a new database table. The string must not be "db" and must be unique
566within each server.
567
568=cut
569
570sub db_table($) {
571 my ($name) = @_;
572 my $db = BDB::db_create $DB_ENV;
573
574 eval {
575 $db->set_flags (BDB::CHKSUM);
576
577 utf8::encode $name;
578 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
579 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
580 cf::cleanup "db_open(db): $!" if $!;
581 };
582 cf::cleanup "db_open(db): $@" if $@;
583
584 $db
585}
586
587our $DB;
588
589sub db_init {
590 cf::sync_job {
591 $DB ||= db_table "db";
592 };
593}
594
595sub db_get($$) {
596 my $key = "$_[0]/$_[1]";
597
598 cf::sync_job {
599 BDB::db_get $DB, undef, $key, my $data;
600
601 $! ? ()
602 : $data
430 1 603 }
604}
605
606sub db_put($$$) {
607 BDB::dbreq_pri 4;
608 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
609}
610
611=item cf::cache $id => [$paths...], $processversion => $process
612
613Generic caching function that returns the value of the resource $id,
614caching and regenerating as required.
615
616This function can block.
617
618=cut
619
620sub cache {
621 my ($id, $src, $processversion, $process) = @_;
622
623 my $meta =
624 join "\x00",
625 $processversion,
626 map {
627 aio_stat $_
628 and Carp::croak "$_: $!";
629
630 ($_, (stat _)[7,9])
631 } @$src;
632
633 my $dbmeta = db_get cache => "$id/meta";
634 if ($dbmeta ne $meta) {
635 # changed, we may need to process
636
637 my @data;
638 my $md5;
639
640 for (0 .. $#$src) {
641 0 <= aio_load $src->[$_], $data[$_]
642 or Carp::croak "$src->[$_]: $!";
643 }
644
645 # if processing is expensive, check
646 # checksum first
647 if (1) {
648 $md5 =
649 join "\x00",
650 $processversion,
651 map {
652 cf::cede_to_tick;
653 ($src->[$_], Digest::MD5::md5_hex $data[$_])
654 } 0.. $#$src;
655
656
657 my $dbmd5 = db_get cache => "$id/md5";
658 if ($dbmd5 eq $md5) {
659 db_put cache => "$id/meta", $meta;
660
661 return db_get cache => "$id/data";
662 }
663 }
664
665 my $t1 = Time::HiRes::time;
666 my $data = $process->(\@data);
667 my $t2 = Time::HiRes::time;
668
669 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
670
671 db_put cache => "$id/data", $data;
672 db_put cache => "$id/md5" , $md5;
673 db_put cache => "$id/meta", $meta;
674
675 return $data;
676 }
677
678 db_get cache => "$id/data"
431} 679}
432 680
433=item cf::datalog type => key => value, ... 681=item cf::datalog type => key => value, ...
434 682
435Log a datalog packet of the given type with the given key-value pairs. 683Log a datalog packet of the given type with the given key-value pairs.
453attach callbacks/event handlers (a collection of which is called an "attachment") 701attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 702to it. All such attachable objects support the following methods.
455 703
456In the following description, CLASS can be any of C<global>, C<object> 704In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 705C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 706Deliantra).
459 707
460=over 4 708=over 4
461 709
462=item $attachable->attach ($attachment, key => $value...) 710=item $attachable->attach ($attachment, key => $value...)
463 711
665 _attach $registry, $klass, @attach; 913 _attach $registry, $klass, @attach;
666 } 914 }
667 915
668 $obj->{$name} = \%arg; 916 $obj->{$name} = \%arg;
669 } else { 917 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 918 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 919 }
672 920
673 $obj->{_attachment}{$name} = undef; 921 $obj->{_attachment}{$name} = undef;
674} 922}
675 923
715 "; 963 ";
716 die if $@; 964 die if $@;
717} 965}
718 966
719our $override; 967our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 968our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 969
722sub override { 970sub override {
723 $override = 1; 971 $override = 1;
724 @invoke_results = (); 972 @INVOKE_RESULTS = (@_);
725} 973}
726 974
727sub do_invoke { 975sub do_invoke {
728 my $event = shift; 976 my $event = shift;
729 my $callbacks = shift; 977 my $callbacks = shift;
730 978
731 @invoke_results = (); 979 @INVOKE_RESULTS = ();
732 980
733 local $override; 981 local $override;
734 982
735 for (@$callbacks) { 983 for (@$callbacks) {
736 eval { &{$_->[1]} }; 984 eval { &{$_->[1]} };
745 } 993 }
746 994
747 0 995 0
748} 996}
749 997
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 998=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 999
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1000=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1001
754Generate an object-specific event with the given arguments. 1002Generate an object-specific event with the given arguments.
755 1003
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1004This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1005removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1006results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1007
760=back 1008=back
761 1009
762=cut 1010=cut
763 1011
764############################################################################# 1012#############################################################################
765# object support 1013# object support
1014
1015sub _object_equal($$);
1016sub _object_equal($$) {
1017 my ($a, $b) = @_;
1018
1019 return 0 unless (ref $a) eq (ref $b);
1020
1021 if ("HASH" eq ref $a) {
1022 my @ka = keys %$a;
1023 my @kb = keys %$b;
1024
1025 return 0 if @ka != @kb;
1026
1027 for (0 .. $#ka) {
1028 return 0 unless $ka[$_] eq $kb[$_];
1029 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1030 }
1031
1032 } elsif ("ARRAY" eq ref $a) {
1033
1034 return 0 if @$a != @$b;
1035
1036 for (0 .. $#$a) {
1037 return 0 unless _object_equal $a->[$_], $b->[$_];
1038 }
1039
1040 } elsif ($a ne $b) {
1041 return 0;
1042 }
1043
1044 1
1045}
1046
1047our $SLOW_MERGES;#d#
1048sub _can_merge {
1049 my ($ob1, $ob2) = @_;
1050
1051 ++$SLOW_MERGES;#d#
1052
1053 # we do the slow way here
1054 return _object_equal $ob1, $ob2
1055}
766 1056
767sub reattach { 1057sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1058 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1059 my ($obj) = @_;
770 1060
791cf::attachable->attach ( 1081cf::attachable->attach (
792 prio => -1000000, 1082 prio => -1000000,
793 on_instantiate => sub { 1083 on_instantiate => sub {
794 my ($obj, $data) = @_; 1084 my ($obj, $data) = @_;
795 1085
796 $data = from_json $data; 1086 $data = decode_json $data;
797 1087
798 for (@$data) { 1088 for (@$data) {
799 my ($name, $args) = @$_; 1089 my ($name, $args) = @$_;
800 1090
801 $obj->attach ($name, %{$args || {} }); 1091 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1107sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1108 my ($filename, $rdata, $objs) = @_;
819 1109
820 sync_job { 1110 sync_job {
821 if (length $$rdata) { 1111 if (length $$rdata) {
1112 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1113 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1114 $decname, length $$rdata, scalar @$objs;
824 1115
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1116 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1117 chmod SAVE_MODE, $fh;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1118 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1119 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1120 close $fh;
830 1121
831 if (@$objs) { 1122 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1123 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1124 chmod SAVE_MODE, $fh;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1125 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1126 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1127 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1128 close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1129 aio_rename "$filename.pst~", "$filename.pst";
839 } 1130 }
847 } 1138 }
848 } else { 1139 } else {
849 aio_unlink $filename; 1140 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1141 aio_unlink "$filename.pst";
851 } 1142 }
852 } 1143 };
853} 1144}
854 1145
855sub object_freezer_as_string { 1146sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1147 my ($rdata, $objs) = @_;
857 1148
869 or return; 1160 or return;
870 1161
871 unless (aio_stat "$filename.pst") { 1162 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1163 (aio_load "$filename.pst", $av) >= 0
873 or return; 1164 or return;
1165
874 $av = eval { (Storable::thaw $av)->{objs} }; 1166 my $st = eval { Coro::Storable::thaw $av };
1167 $av = $st->{objs};
875 } 1168 }
876 1169
1170 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1171 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1172 $decname, length $data, scalar @{$av || []};
1173
879 return ($data, $av); 1174 ($data, $av)
880} 1175}
1176
1177=head2 COMMAND CALLBACKS
1178
1179=over 4
1180
1181=cut
881 1182
882############################################################################# 1183#############################################################################
883# command handling &c 1184# command handling &c
884 1185
885=item cf::register_command $name => \&callback($ob,$args); 1186=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1199 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1200}
900 1201
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1202=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1203
903Register a callbackf ro execution when the client sends an extcmd packet. 1204Register a callback for execution when the client sends an (synchronous)
1205extcmd packet. Ext commands will be processed in the order they are
1206received by the server, like other user commands. The first argument is
1207the logged-in player. Ext commands can only be processed after a player
1208has logged in successfully.
904 1209
905If the callback returns something, it is sent back as if reply was being 1210If the callback returns something, it is sent back as if reply was being
906called. 1211called.
907 1212
1213=item cf::register_exticmd $name => \&callback($ns,$packet);
1214
1215Register a callback for execution when the client sends an (asynchronous)
1216exticmd packet. Exti commands are processed by the server as soon as they
1217are received, i.e. out of order w.r.t. other commands. The first argument
1218is a client socket. Exti commands can be received anytime, even before
1219log-in.
1220
1221If the callback returns something, it is sent back as if reply was being
1222called.
1223
908=cut 1224=cut
909 1225
910sub register_extcmd { 1226sub register_extcmd {
911 my ($name, $cb) = @_; 1227 my ($name, $cb) = @_;
912 1228
913 $EXTCMD{$name} = $cb; 1229 $EXTCMD{$name} = $cb;
1230}
1231
1232sub register_exticmd {
1233 my ($name, $cb) = @_;
1234
1235 $EXTICMD{$name} = $cb;
914} 1236}
915 1237
916cf::player->attach ( 1238cf::player->attach (
917 on_command => sub { 1239 on_command => sub {
918 my ($pl, $name, $params) = @_; 1240 my ($pl, $name, $params) = @_;
927 cf::override; 1249 cf::override;
928 }, 1250 },
929 on_extcmd => sub { 1251 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1252 my ($pl, $buf) = @_;
931 1253
932 my $msg = eval { from_json $buf }; 1254 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1255
934 if (ref $msg) { 1256 if (ref $msg) {
1257 my ($type, $reply, @payload) =
1258 "ARRAY" eq ref $msg
1259 ? @$msg
1260 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1261
1262 my @reply;
1263
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1264 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1265 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1266 }
1267
1268 $pl->ext_reply ($reply, @reply)
1269 if $reply;
1270
940 } else { 1271 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1272 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1273 }
943 1274
944 cf::override; 1275 cf::override;
945 }, 1276 },
946); 1277);
947 1278
948sub load_extension {
949 my ($path) = @_;
950
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
952 my $base = $1;
953 my $pkg = $1;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 }
976 die $@;
977 }
978
979 push @EXTS, $pkg;
980}
981
982sub load_extensions { 1279sub load_extensions {
1280 cf::sync_job {
1281 my %todo;
1282
983 for my $ext (<$LIBDIR/*.ext>) { 1283 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1284 next unless -r $path;
985 eval { 1285
986 load_extension $ext; 1286 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1287 my $base = $1;
1288 my $pkg = $1;
1289 $pkg =~ s/[^[:word:]]/_/g;
1290 $pkg = "ext::$pkg";
1291
1292 open my $fh, "<:utf8", $path
1293 or die "$path: $!";
1294
1295 my $source = do { local $/; <$fh> };
1296
1297 my %ext = (
1298 path => $path,
1299 base => $base,
1300 pkg => $pkg,
1301 );
1302
1303 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305
1306 $ext{source} =
1307 "package $pkg; use strict; use utf8;\n"
1308 . "#line 1 \"$path\"\n{\n"
1309 . $source
1310 . "\n};\n1";
1311
1312 $todo{$base} = \%ext;
1313 }
1314
1315 my %done;
1316 while (%todo) {
1317 my $progress;
1318
1319 while (my ($k, $v) = each %todo) {
1320 for (split /,\s*/, $v->{meta}{depends}) {
1321 goto skip
1322 unless exists $done{$_};
1323 }
1324
1325 warn "... loading '$k' into '$v->{pkg}'\n";
1326
1327 unless (eval $v->{source}) {
1328 my $msg = $@ ? "$v->{path}: $@\n"
1329 : "$v->{base}: extension inactive.\n";
1330
1331 if (exists $v->{meta}{mandatory}) {
1332 warn $msg;
1333 cf::cleanup "mandatory extension failed to load, exiting.";
1334 }
1335
1336 warn $msg;
1337 }
1338
1339 $done{$k} = delete $todo{$k};
1340 push @EXTS, $v->{pkg};
1341 $progress = 1;
987 1 1342 }
988 } or warn "$ext not loaded: $@"; 1343
1344 skip:
1345 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1346 unless $progress;
1347 }
989 } 1348 };
990} 1349}
991 1350
992############################################################################# 1351#############################################################################
993 1352
1353=back
1354
994=head2 CORE EXTENSIONS 1355=head2 CORE EXTENSIONS
995 1356
996Functions and methods that extend core crossfire objects. 1357Functions and methods that extend core crossfire objects.
997 1358
998=cut 1359=cut
1002use Coro::AIO; 1363use Coro::AIO;
1003 1364
1004=head3 cf::player 1365=head3 cf::player
1005 1366
1006=over 4 1367=over 4
1368
1369=item cf::player::num_playing
1370
1371Returns the official number of playing players, as per the Crossfire metaserver rules.
1372
1373=cut
1374
1375sub num_playing {
1376 scalar grep
1377 $_->ob->map
1378 && !$_->hidden
1379 && !$_->ob->flag (cf::FLAG_WIZ),
1380 cf::player::list
1381}
1007 1382
1008=item cf::player::find $login 1383=item cf::player::find $login
1009 1384
1010Returns the given player object, loading it if necessary (might block). 1385Returns the given player object, loading it if necessary (might block).
1011 1386
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1422 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1423 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1424 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1425 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1426
1052 my $pl = load_pl path $login 1427 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1428 or return;
1429
1430 my $pl = cf::player::load_pl $f
1431 or return;
1432 local $cf::PLAYER_LOADING{$login} = $pl;
1433 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1434 $cf::PLAYER{$login} = $pl
1055 } 1435 }
1056 } 1436 }
1057} 1437}
1058 1438
1068 1448
1069 aio_mkdir playerdir $pl, 0770; 1449 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1450 $pl->{last_save} = $cf::RUNTIME;
1071 1451
1072 $pl->save_pl ($path); 1452 $pl->save_pl ($path);
1073 Coro::cede; 1453 cf::cede_to_tick;
1074} 1454}
1075 1455
1076sub new($) { 1456sub new($) {
1077 my ($login) = @_; 1457 my ($login) = @_;
1078 1458
1082 $self->{deny_save} = 1; 1462 $self->{deny_save} = 1;
1083 1463
1084 $cf::PLAYER{$login} = $self; 1464 $cf::PLAYER{$login} = $self;
1085 1465
1086 $self 1466 $self
1467}
1468
1469=item $player->send_msg ($channel, $msg, $color, [extra...])
1470
1471=cut
1472
1473sub send_msg {
1474 my $ns = shift->ns
1475 or return;
1476 $ns->send_msg (@_);
1087} 1477}
1088 1478
1089=item $pl->quit_character 1479=item $pl->quit_character
1090 1480
1091Nukes the player without looking back. If logged in, the connection will 1481Nukes the player without looking back. If logged in, the connection will
1146 or return []; 1536 or return [];
1147 1537
1148 my @logins; 1538 my @logins;
1149 1539
1150 for my $login (@$dirs) { 1540 for my $login (@$dirs) {
1541 my $path = path $login;
1542
1543 # a .pst is a dead give-away for a valid player
1544 unless (-e "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1545 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1546 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1547 $buf !~ /^password -------------$/m or next; # official not-valid tag
1548 }
1154 1549
1155 utf8::decode $login; 1550 utf8::decode $login;
1156 push @logins, $login; 1551 push @logins, $login;
1157 } 1552 }
1158 1553
1185 } 1580 }
1186 1581
1187 \@paths 1582 \@paths
1188} 1583}
1189 1584
1585=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1586
1587Expand crossfire pod fragments into protocol xml.
1588
1589=cut
1590
1591use re 'eval';
1592
1593my $group;
1594my $interior; $interior = qr{
1595 # match a pod interior sequence sans C<< >>
1596 (?:
1597 \ (.*?)\ (?{ $group = $^N })
1598 | < (??{$interior}) >
1599 )
1600}x;
1601
1602sub expand_cfpod {
1603 my ($self, $pod) = @_;
1604
1605 my $xml;
1606
1607 while () {
1608 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609 $group = $1;
1610
1611 $group =~ s/&/&amp;/g;
1612 $group =~ s/</&lt;/g;
1613
1614 $xml .= $group;
1615 } elsif ($pod =~ m%\G
1616 ([BCGHITU])
1617 <
1618 (?:
1619 ([^<>]*) (?{ $group = $^N })
1620 | < $interior >
1621 )
1622 >
1623 %gcsx
1624 ) {
1625 my ($code, $data) = ($1, $group);
1626
1627 if ($code eq "B") {
1628 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629 } elsif ($code eq "I") {
1630 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631 } elsif ($code eq "U") {
1632 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633 } elsif ($code eq "C") {
1634 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635 } elsif ($code eq "T") {
1636 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637 } elsif ($code eq "G") {
1638 my ($male, $female) = split /\|/, $data;
1639 $data = $self->gender ? $female : $male;
1640 $xml .= expand_cfpod ($self, $data);
1641 } elsif ($code eq "H") {
1642 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644 "")
1645 [$self->{hintmode}];
1646 } else {
1647 $xml .= "error processing '$code($data)' directive";
1648 }
1649 } else {
1650 if ($pod =~ /\G(.+)/) {
1651 warn "parse error while expanding $pod (at $1)";
1652 }
1653 last;
1654 }
1655 }
1656
1657 for ($xml) {
1658 # create single paragraphs (very hackish)
1659 s/(?<=\S)\n(?=\w)/ /g;
1660
1661 # compress some whitespace
1662 s/\s+\n/\n/g; # ws line-ends
1663 s/\n\n+/\n/g; # double lines
1664 s/^\n+//; # beginning lines
1665 s/\n+$//; # ending lines
1666 }
1667
1668 $xml
1669}
1670
1671no re 'eval';
1672
1673sub hintmode {
1674 $_[0]{hintmode} = $_[1] if @_ > 1;
1675 $_[0]{hintmode}
1676}
1677
1190=item $player->ext_reply ($msgid, %msg) 1678=item $player->ext_reply ($msgid, @msg)
1191 1679
1192Sends an ext reply to the player. 1680Sends an ext reply to the player.
1193 1681
1194=cut 1682=cut
1195 1683
1196sub ext_reply($$%) { 1684sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1685 my ($self, $id, @msg) = @_;
1198 1686
1199 $msg{msgid} = $id; 1687 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1688}
1203 1689
1204=item $player->ext_event ($type, %msg) 1690=item $player->ext_msg ($type, @msg)
1205 1691
1206Sends an ext event to the client. 1692Sends an ext event to the client.
1207 1693
1208=cut 1694=cut
1209 1695
1210sub ext_event($$%) { 1696sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1697 my ($self, $type, @msg) = @_;
1212 1698
1213 $self->ns->ext_event ($type, %msg); 1699 $self->ns->ext_msg ($type, @msg);
1214} 1700}
1215 1701
1216=head3 cf::region 1702=head3 cf::region
1217 1703
1218=over 4 1704=over 4
1221 1707
1222package cf::region; 1708package cf::region;
1223 1709
1224=item cf::region::find_by_path $path 1710=item cf::region::find_by_path $path
1225 1711
1226Tries to decuce the probable region for a map knowing only its path. 1712Tries to decuce the likely region for a map knowing only its path.
1227 1713
1228=cut 1714=cut
1229 1715
1230sub find_by_path($) { 1716sub find_by_path($) {
1231 my ($path) = @_; 1717 my ($path) = @_;
1232 1718
1233 my ($match, $specificity); 1719 my ($match, $specificity);
1234 1720
1235 for my $region (list) { 1721 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1722 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1723 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1724 if $region->specificity > $specificity;
1239 } 1725 }
1240 } 1726 }
1241 1727
1361 $self->init; # pass $1 etc. 1847 $self->init; # pass $1 etc.
1362 return $self; 1848 return $self;
1363 } 1849 }
1364 } 1850 }
1365 1851
1366 Carp::carp "unable to resolve path '$path' (base '$base')."; 1852 Carp::cluck "unable to resolve path '$path' (base '$base').";
1367 () 1853 ()
1368} 1854}
1369 1855
1370sub init { 1856sub init {
1371 my ($self) = @_; 1857 my ($self) = @_;
1434 1920
1435sub load_header_from($) { 1921sub load_header_from($) {
1436 my ($self, $path) = @_; 1922 my ($self, $path) = @_;
1437 1923
1438 utf8::encode $path; 1924 utf8::encode $path;
1439 #aio_open $path, O_RDONLY, 0 1925 my $f = new_from_file cf::object::thawer $path
1440 # or return;
1441
1442 $self->_load_header ($path)
1443 or return; 1926 or return;
1927
1928 $self->_load_header ($f)
1929 or return;
1930
1931 local $MAP_LOADING{$self->{path}} = $self;
1932 $f->resolve_delayed_derefs;
1444 1933
1445 $self->{load_path} = $path; 1934 $self->{load_path} = $path;
1446 1935
1447 1 1936 1
1448} 1937}
1502sub find { 1991sub find {
1503 my ($path, $origin) = @_; 1992 my ($path, $origin) = @_;
1504 1993
1505 $path = normalise $path, $origin && $origin->path; 1994 $path = normalise $path, $origin && $origin->path;
1506 1995
1996 cf::lock_wait "map_data:$path";#d#remove
1507 cf::lock_wait "map_find:$path"; 1997 cf::lock_wait "map_find:$path";
1508 1998
1509 $cf::MAP{$path} || do { 1999 $cf::MAP{$path} || do {
1510 my $guard = cf::lock_acquire "map_find:$path"; 2000 my $guard1 = cf::lock_acquire "map_find:$path";
2001 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
1511 my $map = new_from_path cf::map $path 2003 my $map = new_from_path cf::map $path
1512 or return; 2004 or return;
1513 2005
1514 $map->{last_save} = $cf::RUNTIME; 2006 $map->{last_save} = $cf::RUNTIME;
1515 2007
1517 or return; 2009 or return;
1518 2010
1519 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2011 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520 # doing this can freeze the server in a sync job, obviously 2012 # doing this can freeze the server in a sync job, obviously
1521 #$cf::WAIT_FOR_TICK->wait; 2013 #$cf::WAIT_FOR_TICK->wait;
2014 undef $guard1;
2015 undef $guard2;
1522 $map->reset; 2016 $map->reset;
1523 undef $guard;
1524 return find $path; 2017 return find $path;
1525 } 2018 }
1526 2019
1527 $cf::MAP{$path} = $map 2020 $cf::MAP{$path} = $map
1528 } 2021 }
1537 local $self->{deny_reset} = 1; # loading can take a long time 2030 local $self->{deny_reset} = 1; # loading can take a long time
1538 2031
1539 my $path = $self->{path}; 2032 my $path = $self->{path};
1540 2033
1541 { 2034 {
1542 my $guard = cf::lock_acquire "map_load:$path"; 2035 my $guard = cf::lock_acquire "map_data:$path";
1543 2036
2037 return unless $self->valid;
1544 return if $self->in_memory != cf::MAP_SWAPPED; 2038 return unless $self->in_memory == cf::MAP_SWAPPED;
1545 2039
1546 $self->in_memory (cf::MAP_LOADING); 2040 $self->in_memory (cf::MAP_LOADING);
1547 2041
1548 $self->alloc; 2042 $self->alloc;
1549 2043
1550 $self->pre_load; 2044 $self->pre_load;
1551 Coro::cede; 2045 cf::cede_to_tick;
1552 2046
2047 my $f = new_from_file cf::object::thawer $self->{load_path};
2048 $f->skip_block;
1553 $self->_load_objects ($self->{load_path}, 1) 2049 $self->_load_objects ($f)
1554 or return; 2050 or return;
1555 2051
1556 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2052 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1557 if delete $self->{load_original}; 2053 if delete $self->{load_original};
1558 2054
1559 if (my $uniq = $self->uniq_path) { 2055 if (my $uniq = $self->uniq_path) {
1560 utf8::encode $uniq; 2056 utf8::encode $uniq;
1561 if (aio_open $uniq, O_RDONLY, 0) { 2057 unless (aio_stat $uniq) {
2058 if (my $f = new_from_file cf::object::thawer $uniq) {
1562 $self->clear_unique_items; 2059 $self->clear_unique_items;
1563 $self->_load_objects ($uniq, 0); 2060 $self->_load_objects ($f);
2061 $f->resolve_delayed_derefs;
2062 }
1564 } 2063 }
1565 } 2064 }
1566 2065
1567 Coro::cede; 2066 $f->resolve_delayed_derefs;
2067
2068 cf::cede_to_tick;
1568 # now do the right thing for maps 2069 # now do the right thing for maps
1569 $self->link_multipart_objects; 2070 $self->link_multipart_objects;
1570 $self->difficulty ($self->estimate_difficulty) 2071 $self->difficulty ($self->estimate_difficulty)
1571 unless $self->difficulty; 2072 unless $self->difficulty;
1572 Coro::cede; 2073 cf::cede_to_tick;
1573 2074
1574 unless ($self->{deny_activate}) { 2075 unless ($self->{deny_activate}) {
1575 $self->decay_objects; 2076 $self->decay_objects;
1576 $self->fix_auto_apply; 2077 $self->fix_auto_apply;
1577 $self->update_buttons; 2078 $self->update_buttons;
1578 Coro::cede; 2079 cf::cede_to_tick;
1579 $self->set_darkness_map; 2080 $self->set_darkness_map;
1580 Coro::cede; 2081 cf::cede_to_tick;
1581 $self->activate; 2082 $self->activate;
1582 } 2083 }
2084
2085 $self->{last_save} = $cf::RUNTIME;
2086 $self->last_access ($cf::RUNTIME);
1583 2087
1584 $self->in_memory (cf::MAP_IN_MEMORY); 2088 $self->in_memory (cf::MAP_IN_MEMORY);
1585 } 2089 }
1586 2090
1587 $self->post_load; 2091 $self->post_load;
1598 2102
1599 $self 2103 $self
1600} 2104}
1601 2105
1602# find and load all maps in the 3x3 area around a map 2106# find and load all maps in the 3x3 area around a map
1603sub load_diag { 2107sub load_neighbours {
1604 my ($map) = @_; 2108 my ($map) = @_;
1605 2109
1606 my @diag; # diagonal neighbours 2110 my @neigh; # diagonal neighbours
1607 2111
1608 for (0 .. 3) { 2112 for (0 .. 3) {
1609 my $neigh = $map->tile_path ($_) 2113 my $neigh = $map->tile_path ($_)
1610 or next; 2114 or next;
1611 $neigh = find $neigh, $map 2115 $neigh = find $neigh, $map
1612 or next; 2116 or next;
1613 $neigh->load; 2117 $neigh->load;
1614 2118
2119 push @neigh,
1615 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2120 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2121 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1617 } 2122 }
1618 2123
1619 for (@diag) { 2124 for (grep defined $_->[0], @neigh) {
2125 my ($path, $origin) = @$_;
1620 my $neigh = find @$_ 2126 my $neigh = find $path, $origin
1621 or next; 2127 or next;
1622 $neigh->load; 2128 $neigh->load;
1623 } 2129 }
1624} 2130}
1625 2131
1630} 2136}
1631 2137
1632sub do_load_sync { 2138sub do_load_sync {
1633 my ($map) = @_; 2139 my ($map) = @_;
1634 2140
2141 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2142 if $Coro::current == $Coro::main;
2143
1635 cf::sync_job { $map->load }; 2144 cf::sync_job { $map->load };
1636} 2145}
1637 2146
1638our %MAP_PREFETCH; 2147our %MAP_PREFETCH;
1639our $MAP_PREFETCHER = undef; 2148our $MAP_PREFETCHER = undef;
1640 2149
1641sub find_async { 2150sub find_async {
1642 my ($path, $origin) = @_; 2151 my ($path, $origin, $load) = @_;
1643 2152
1644 $path = normalise $path, $origin && $origin->{path}; 2153 $path = normalise $path, $origin && $origin->{path};
1645 2154
1646 if (my $map = $cf::MAP{$path}) { 2155 if (my $map = $cf::MAP{$path}) {
1647 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2156 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1648 } 2157 }
1649 2158
1650 undef $MAP_PREFETCH{$path}; 2159 $MAP_PREFETCH{$path} |= $load;
2160
1651 $MAP_PREFETCHER ||= cf::async { 2161 $MAP_PREFETCHER ||= cf::async {
2162 $Coro::current->{desc} = "map prefetcher";
2163
1652 while (%MAP_PREFETCH) { 2164 while (%MAP_PREFETCH) {
1653 for my $path (keys %MAP_PREFETCH) { 2165 while (my ($k, $v) = each %MAP_PREFETCH) {
1654 my $map = find $path 2166 if (my $map = find $k) {
1655 or next;
1656 $map->load; 2167 $map->load if $v;
2168 }
1657 2169
1658 delete $MAP_PREFETCH{$path}; 2170 delete $MAP_PREFETCH{$k};
1659 } 2171 }
1660 } 2172 }
1661 undef $MAP_PREFETCHER; 2173 undef $MAP_PREFETCHER;
1662 }; 2174 };
1663 $MAP_PREFETCHER->prio (6); 2175 $MAP_PREFETCHER->prio (6);
1666} 2178}
1667 2179
1668sub save { 2180sub save {
1669 my ($self) = @_; 2181 my ($self) = @_;
1670 2182
1671 my $lock = cf::lock_acquire "map_data:" . $self->path; 2183 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2184
1673 $self->{last_save} = $cf::RUNTIME; 2185 $self->{last_save} = $cf::RUNTIME;
1674 2186
1675 return unless $self->dirty; 2187 return unless $self->dirty;
1676 2188
1682 return if $self->{deny_save}; 2194 return if $self->{deny_save};
1683 2195
1684 local $self->{last_access} = $self->last_access;#d# 2196 local $self->{last_access} = $self->last_access;#d#
1685 2197
1686 cf::async { 2198 cf::async {
2199 $Coro::current->{desc} = "map player save";
1687 $_->contr->save for $self->players; 2200 $_->contr->save for $self->players;
1688 }; 2201 };
1689 2202
1690 if ($uniq) { 2203 if ($uniq) {
1691 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2204 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1699 my ($self) = @_; 2212 my ($self) = @_;
1700 2213
1701 # save first because save cedes 2214 # save first because save cedes
1702 $self->save; 2215 $self->save;
1703 2216
1704 my $lock = cf::lock_acquire "map_data:" . $self->path; 2217 my $lock = cf::lock_acquire "map_data:$self->{path}";
1705 2218
1706 return if $self->players; 2219 return if $self->players;
1707 return if $self->in_memory != cf::MAP_IN_MEMORY; 2220 return if $self->in_memory != cf::MAP_IN_MEMORY;
1708 return if $self->{deny_save}; 2221 return if $self->{deny_save};
1709 2222
2223 $self->in_memory (cf::MAP_SWAPPED);
2224
2225 $self->deactivate;
2226 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2227 $self->clear;
1711 $self->in_memory (cf::MAP_SWAPPED);
1712} 2228}
1713 2229
1714sub reset_at { 2230sub reset_at {
1715 my ($self) = @_; 2231 my ($self) = @_;
1716 2232
1748 if $uniq; 2264 if $uniq;
1749 } 2265 }
1750 2266
1751 delete $cf::MAP{$self->path}; 2267 delete $cf::MAP{$self->path};
1752 2268
2269 $self->deactivate;
2270 $_->clear_links_to ($self) for values %cf::MAP;
1753 $self->clear; 2271 $self->clear;
1754
1755 $_->clear_links_to ($self) for values %cf::MAP;
1756 2272
1757 $self->unlink_save; 2273 $self->unlink_save;
1758 $self->destroy; 2274 $self->destroy;
1759} 2275}
1760 2276
1761my $nuke_counter = "aaaa"; 2277my $nuke_counter = "aaaa";
1762 2278
1763sub nuke { 2279sub nuke {
1764 my ($self) = @_; 2280 my ($self) = @_;
1765 2281
2282 {
2283 my $lock = cf::lock_acquire "map_data:$self->{path}";
2284
1766 delete $cf::MAP{$self->path}; 2285 delete $cf::MAP{$self->path};
1767 2286
1768 $self->unlink_save; 2287 $self->unlink_save;
1769 2288
1770 bless $self, "cf::map"; 2289 bless $self, "cf::map";
1771 delete $self->{deny_reset}; 2290 delete $self->{deny_reset};
1772 $self->{deny_save} = 1; 2291 $self->{deny_save} = 1;
1773 $self->reset_timeout (1); 2292 $self->reset_timeout (1);
1774 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2293 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775 2294
1776 $cf::MAP{$self->path} = $self; 2295 $cf::MAP{$self->path} = $self;
2296 }
1777 2297
1778 $self->reset; # polite request, might not happen 2298 $self->reset; # polite request, might not happen
2299}
2300
2301=item $maps = cf::map::tmp_maps
2302
2303Returns an arrayref with all map paths of currently instantiated and saved
2304maps. May block.
2305
2306=cut
2307
2308sub tmp_maps() {
2309 [
2310 map {
2311 utf8::decode $_;
2312 /\.map$/
2313 ? normalise $_
2314 : ()
2315 } @{ aio_readdir $TMPDIR or [] }
2316 ]
2317}
2318
2319=item $maps = cf::map::random_maps
2320
2321Returns an arrayref with all map paths of currently instantiated and saved
2322random maps. May block.
2323
2324=cut
2325
2326sub random_maps() {
2327 [
2328 map {
2329 utf8::decode $_;
2330 /\.map$/
2331 ? normalise "?random/$_"
2332 : ()
2333 } @{ aio_readdir $RANDOMDIR or [] }
2334 ]
1779} 2335}
1780 2336
1781=item cf::map::unique_maps 2337=item cf::map::unique_maps
1782 2338
1783Returns an arrayref of paths of all shared maps that have 2339Returns an arrayref of paths of all shared maps that have
1784instantiated unique items. May block. 2340instantiated unique items. May block.
1785 2341
1786=cut 2342=cut
1787 2343
1788sub unique_maps() { 2344sub unique_maps() {
1789 my $files = aio_readdir $UNIQUEDIR 2345 [
1790 or return; 2346 map {
1791
1792 my @paths;
1793
1794 for (@$files) {
1795 utf8::decode $_; 2347 utf8::decode $_;
1796 next if /\.pst$/; 2348 /\.map$/
1797 next unless /^$PATH_SEP/o; 2349 ? normalise $_
1798 2350 : ()
1799 push @paths, cf::map::normalise $_; 2351 } @{ aio_readdir $UNIQUEDIR or [] }
1800 } 2352 ]
1801
1802 \@paths
1803} 2353}
1804 2354
1805package cf; 2355package cf;
1806 2356
1807=back 2357=back
1825 map { $_, inv_recursive_ $_->inv } @_ 2375 map { $_, inv_recursive_ $_->inv } @_
1826} 2376}
1827 2377
1828sub inv_recursive { 2378sub inv_recursive {
1829 inv_recursive_ inv $_[0] 2379 inv_recursive_ inv $_[0]
2380}
2381
2382=item $ref = $ob->ref
2383
2384creates and returns a persistent reference to an objetc that can be stored as a string.
2385
2386=item $ob = cf::object::deref ($refstring)
2387
2388returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2389even if the object actually exists. May block.
2390
2391=cut
2392
2393sub deref {
2394 my ($ref) = @_;
2395
2396 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2397 my ($uuid, $name) = ($1, $2);
2398 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2399 or return;
2400 $pl->ob->uuid eq $uuid
2401 or return;
2402
2403 $pl->ob
2404 } else {
2405 warn "$ref: cannot resolve object reference\n";
2406 undef
2407 }
1830} 2408}
1831 2409
1832package cf; 2410package cf;
1833 2411
1834=back 2412=back
1853 2431
1854 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2432 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855 2433
1856 if ($self->{record_replies}) { 2434 if ($self->{record_replies}) {
1857 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2435 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2436
1858 } else { 2437 } else {
2438 my $pl = $self->contr;
2439
2440 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2441 my $dialog = $pl->{npc_dialog};
2442 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443
2444 } else {
1859 $msg = $npc->name . " says: $msg" if $npc; 2445 $msg = $npc->name . " says: $msg" if $npc;
1860 $self->message ($msg, $flags); 2446 $self->message ($msg, $flags);
2447 }
1861 } 2448 }
2449}
2450
2451=item $object->send_msg ($channel, $msg, $color, [extra...])
2452
2453=cut
2454
2455sub cf::object::send_msg {
2456 my $pl = shift->contr
2457 or return;
2458 $pl->send_msg (@_);
1862} 2459}
1863 2460
1864=item $player_object->may ("access") 2461=item $player_object->may ("access")
1865 2462
1866Returns wether the given player is authorized to access resource "access" 2463Returns wether the given player is authorized to access resource "access"
1945 # use -1 or undef as default coordinates, not 0, 0 2542 # use -1 or undef as default coordinates, not 0, 0
1946 ($x, $y) = ($map->enter_x, $map->enter_y) 2543 ($x, $y) = ($map->enter_x, $map->enter_y)
1947 if $x <=0 && $y <= 0; 2544 if $x <=0 && $y <= 0;
1948 2545
1949 $map->load; 2546 $map->load;
1950 $map->load_diag; 2547 $map->load_neighbours;
1951 2548
1952 return unless $self->contr->active; 2549 return unless $self->contr->active;
1953 $self->activate_recursive; 2550 $self->activate_recursive;
1954 2551
1955 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2552 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956 $self->enter_map ($map, $x, $y); 2553 $self->enter_map ($map, $x, $y);
1957} 2554}
1958 2555
1959=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2556=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1960 2557
1961Moves the player to the given map-path and coordinates by first freezing 2558Moves the player to the given map-path and coordinates by first freezing
1962her, loading and preparing them map, calling the provided $check callback 2559her, loading and preparing them map, calling the provided $check callback
1963that has to return the map if sucecssful, and then unfreezes the player on 2560that has to return the map if sucecssful, and then unfreezes the player on
1964the new (success) or old (failed) map position. 2561the new (success) or old (failed) map position. In either case, $done will
2562be called at the end of this process.
1965 2563
1966=cut 2564=cut
1967 2565
1968our $GOTOGEN; 2566our $GOTOGEN;
1969 2567
1970sub cf::object::player::goto { 2568sub cf::object::player::goto {
1971 my ($self, $path, $x, $y, $check) = @_; 2569 my ($self, $path, $x, $y, $check, $done) = @_;
1972 2570
1973 # do generation counting so two concurrent goto's will be executed in-order 2571 # do generation counting so two concurrent goto's will be executed in-order
1974 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2572 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975 2573
1976 $self->enter_link; 2574 $self->enter_link;
1977 2575
1978 (async { 2576 (async {
2577 $Coro::current->{desc} = "player::goto $path $x $y";
2578
2579 # *tag paths override both path and x|y
2580 if ($path =~ /^\*(.*)$/) {
2581 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2582 my $ob = $obs[rand @obs];
2583
2584 # see if we actually can go there
2585 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2586 $ob = $obs[rand @obs];
2587 } else {
2588 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2589 }
2590 # else put us there anyways for now #d#
2591
2592 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2593 } else {
2594 ($path, $x, $y) = (undef, undef, undef);
2595 }
2596 }
2597
1979 my $map = eval { 2598 my $map = eval {
1980 my $map = cf::map::find $path; 2599 my $map = defined $path ? cf::map::find $path : undef;
1981 2600
1982 if ($map) { 2601 if ($map) {
1983 $map = $map->customise_for ($self); 2602 $map = $map->customise_for ($self);
1984 $map = $check->($map) if $check && $map; 2603 $map = $check->($map) if $check && $map;
1985 } else { 2604 } else {
1986 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2605 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987 } 2606 }
1988 2607
1989 $map 2608 $map
1990 }; 2609 };
1991 2610
1996 2615
1997 if ($gen == $self->{_goto_generation}) { 2616 if ($gen == $self->{_goto_generation}) {
1998 delete $self->{_goto_generation}; 2617 delete $self->{_goto_generation};
1999 $self->leave_link ($map, $x, $y); 2618 $self->leave_link ($map, $x, $y);
2000 } 2619 }
2620
2621 $done->() if $done;
2001 })->prio (1); 2622 })->prio (1);
2002} 2623}
2003 2624
2004=item $player_object->enter_exit ($exit_object) 2625=item $player_object->enter_exit ($exit_object)
2005 2626
2042 $rmp->{origin_y} = $exit->y; 2663 $rmp->{origin_y} = $exit->y;
2043 } 2664 }
2044 2665
2045 $rmp->{random_seed} ||= $exit->random_seed; 2666 $rmp->{random_seed} ||= $exit->random_seed;
2046 2667
2047 my $data = cf::to_json $rmp; 2668 my $data = cf::encode_json $rmp;
2048 my $md5 = Digest::MD5::md5_hex $data; 2669 my $md5 = Digest::MD5::md5_hex $data;
2049 my $meta = "$RANDOMDIR/$md5.meta"; 2670 my $meta = "$RANDOMDIR/$md5.meta";
2050 2671
2051 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2672 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052 aio_write $fh, 0, (length $data), $data, 0; 2673 aio_write $fh, 0, (length $data), $data, 0;
2074 my $hp = $exit->stats->hp; 2695 my $hp = $exit->stats->hp;
2075 my $sp = $exit->stats->sp; 2696 my $sp = $exit->stats->sp;
2076 2697
2077 $self->enter_link; 2698 $self->enter_link;
2078 2699
2700 # if exit is damned, update players death & WoR home-position
2701 $self->contr->savebed ($slaying, $hp, $sp)
2702 if $exit->flag (FLAG_DAMNED);
2703
2079 (async { 2704 (async {
2705 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2706
2080 $self->deactivate_recursive; # just to be sure 2707 $self->deactivate_recursive; # just to be sure
2081 unless (eval { 2708 unless (eval {
2082 $self->goto ($slaying, $hp, $sp); 2709 $self->goto ($slaying, $hp, $sp);
2083 2710
2084 1; 2711 1;
2110 2737
2111 utf8::encode $text; 2738 utf8::encode $text;
2112 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2739 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113} 2740}
2114 2741
2742=item $client->send_msg ($channel, $msg, $color, [extra...])
2743
2744Send a drawinfo or msg packet to the client, formatting the msg for the
2745client if neccessary. C<$type> should be a string identifying the type of
2746the message, with C<log> being the default. If C<$color> is negative, suppress
2747the message unless the client supports the msg packet.
2748
2749=cut
2750
2751# non-persistent channels (usually the info channel)
2752our %CHANNEL = (
2753 "c/identify" => {
2754 id => "infobox",
2755 title => "Identify",
2756 reply => undef,
2757 tooltip => "Items recently identified",
2758 },
2759 "c/examine" => {
2760 id => "infobox",
2761 title => "Examine",
2762 reply => undef,
2763 tooltip => "Signs and other items you examined",
2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2771 "c/lookat" => {
2772 id => "infobox",
2773 title => "Look",
2774 reply => undef,
2775 tooltip => "What you saw there",
2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/uptime" => {
2790 id => "infobox",
2791 title => "Uptime",
2792 reply => undef,
2793 tooltip => "How long the server has been running since last restart",
2794 },
2795 "c/mapinfo" => {
2796 id => "infobox",
2797 title => "Map Info",
2798 reply => undef,
2799 tooltip => "Information related to the maps",
2800 },
2801);
2802
2803sub cf::client::send_msg {
2804 my ($self, $channel, $msg, $color, @extra) = @_;
2805
2806 $msg = $self->pl->expand_cfpod ($msg);
2807
2808 $color &= cf::NDI_CLIENT_MASK; # just in case...
2809
2810 # check predefined channels, for the benefit of C
2811 if ($CHANNEL{$channel}) {
2812 $channel = $CHANNEL{$channel};
2813
2814 $self->ext_msg (channel_info => $channel)
2815 if $self->can_msg;
2816
2817 $channel = $channel->{id};
2818
2819 } elsif (ref $channel) {
2820 # send meta info to client, if not yet sent
2821 unless (exists $self->{channel}{$channel->{id}}) {
2822 $self->{channel}{$channel->{id}} = $channel;
2823 $self->ext_msg (channel_info => $channel)
2824 if $self->can_msg;
2825 }
2826
2827 $channel = $channel->{id};
2828 }
2829
2830 return unless @extra || length $msg;
2831
2832 if ($self->can_msg) {
2833 # default colour, mask it out
2834 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835 if $color & cf::NDI_DEF;
2836
2837 $self->send_packet ("msg " . $self->{json_coder}->encode (
2838 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2839 } else {
2840 if ($color >= 0) {
2841 # replace some tags by gcfclient-compatible ones
2842 for ($msg) {
2843 1 while
2844 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849 }
2850
2851 $color &= cf::NDI_COLOR_MASK;
2852
2853 utf8::encode $msg;
2854
2855 if (0 && $msg =~ /\[/) {
2856 # COMMAND/INFO
2857 $self->send_packet ("drawextinfo $color 10 8 $msg")
2858 } else {
2859 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860 $self->send_packet ("drawinfo $color $msg")
2861 }
2862 }
2863 }
2864}
2865
2115=item $client->ext_event ($type, %msg) 2866=item $client->ext_msg ($type, @msg)
2116 2867
2117Sends an exti event to the client. 2868Sends an ext event to the client.
2118 2869
2119=cut 2870=cut
2120 2871
2121sub cf::client::ext_event($$%) { 2872sub cf::client::ext_msg($$@) {
2122 my ($self, $type, %msg) = @_; 2873 my ($self, $type, @msg) = @_;
2123 2874
2875 if ($self->extcmd == 2) {
2876 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2877 } elsif ($self->extcmd == 1) { # TODO: remove
2124 $msg{msgtype} = "event_$type"; 2878 push @msg, msgtype => "event_$type";
2125 $self->send_packet ("ext " . cf::to_json \%msg); 2879 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880 }
2881}
2882
2883=item $client->ext_reply ($msgid, @msg)
2884
2885Sends an ext reply to the client.
2886
2887=cut
2888
2889sub cf::client::ext_reply($$@) {
2890 my ($self, $id, @msg) = @_;
2891
2892 if ($self->extcmd == 2) {
2893 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2894 } elsif ($self->extcmd == 1) {
2895 #TODO: version 1, remove
2896 unshift @msg, msgtype => "reply", msgid => $id;
2897 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2898 }
2126} 2899}
2127 2900
2128=item $success = $client->query ($flags, "text", \&cb) 2901=item $success = $client->query ($flags, "text", \&cb)
2129 2902
2130Queues a query to the client, calling the given callback with 2903Queues a query to the client, calling the given callback with
2131the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2904the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2905C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133 2906
2134Queries can fail, so check the return code. Or don't, as queries will become 2907Queries can fail, so check the return code. Or don't, as queries will
2135reliable at some point in the future. 2908become reliable at some point in the future.
2136 2909
2137=cut 2910=cut
2138 2911
2139sub cf::client::query { 2912sub cf::client::query {
2140 my ($self, $flags, $text, $cb) = @_; 2913 my ($self, $flags, $text, $cb) = @_;
2148 utf8::encode $text; 2921 utf8::encode $text;
2149 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2922 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150 2923
2151 $self->send_packet ($self->{query_queue}[0][0]) 2924 $self->send_packet ($self->{query_queue}[0][0])
2152 if @{ $self->{query_queue} } == 1; 2925 if @{ $self->{query_queue} } == 1;
2926
2927 1
2153} 2928}
2154 2929
2155cf::client->attach ( 2930cf::client->attach (
2931 on_connect => sub {
2932 my ($ns) = @_;
2933
2934 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2935 },
2156 on_reply => sub { 2936 on_reply => sub {
2157 my ($ns, $msg) = @_; 2937 my ($ns, $msg) = @_;
2158 2938
2159 # this weird shuffling is so that direct followup queries 2939 # this weird shuffling is so that direct followup queries
2160 # get handled first 2940 # get handled first
2172 } else { 2952 } else {
2173 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2953 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174 } 2954 }
2175 } 2955 }
2176 }, 2956 },
2957 on_exticmd => sub {
2958 my ($ns, $buf) = @_;
2959
2960 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2961
2962 if (ref $msg) {
2963 my ($type, $reply, @payload) =
2964 "ARRAY" eq ref $msg
2965 ? @$msg
2966 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2967
2968 my @reply;
2969
2970 if (my $cb = $EXTICMD{$type}) {
2971 @reply = $cb->($ns, @payload);
2972 }
2973
2974 $ns->ext_reply ($reply, @reply)
2975 if $reply;
2976
2977 } else {
2978 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2979 }
2980
2981 cf::override;
2982 },
2177); 2983);
2178 2984
2179=item $client->async (\&cb) 2985=item $client->async (\&cb)
2180 2986
2181Create a new coroutine, running the specified callback. The coroutine will 2987Create a new coroutine, running the specified callback. The coroutine will
2222our $safe = new Safe "safe"; 3028our $safe = new Safe "safe";
2223our $safe_hole = new Safe::Hole; 3029our $safe_hole = new Safe::Hole;
2224 3030
2225$SIG{FPE} = 'IGNORE'; 3031$SIG{FPE} = 'IGNORE';
2226 3032
2227$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3033$safe->permit_only (Opcode::opset qw(
3034 :base_core :base_mem :base_orig :base_math
3035 grepstart grepwhile mapstart mapwhile
3036 sort time
3037));
2228 3038
2229# here we export the classes and methods available to script code 3039# here we export the classes and methods available to script code
2230 3040
2231=pod 3041=pod
2232 3042
2233The following functions and methods are available within a safe environment: 3043The following functions and methods are available within a safe environment:
2234 3044
2235 cf::object contr pay_amount pay_player map 3045 cf::object
3046 contr pay_amount pay_player map x y force_find force_add destroy
3047 insert remove name archname title slaying race decrease_ob_nr
3048
2236 cf::object::player player 3049 cf::object::player
2237 cf::player peaceful 3050 player
2238 cf::map trigger 3051
3052 cf::player
3053 peaceful
3054
3055 cf::map
3056 trigger
2239 3057
2240=cut 3058=cut
2241 3059
2242for ( 3060for (
2243 ["cf::object" => qw(contr pay_amount pay_player map)], 3061 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062 insert remove inv name archname title slaying race
3063 decrease_ob_nr destroy)],
2244 ["cf::object::player" => qw(player)], 3064 ["cf::object::player" => qw(player)],
2245 ["cf::player" => qw(peaceful)], 3065 ["cf::player" => qw(peaceful)],
2246 ["cf::map" => qw(trigger)], 3066 ["cf::map" => qw(trigger)],
2247) { 3067) {
2248 no strict 'refs'; 3068 no strict 'refs';
2319=back 3139=back
2320 3140
2321=cut 3141=cut
2322 3142
2323############################################################################# 3143#############################################################################
2324
2325=head2 EXTENSION DATABASE SUPPORT
2326
2327Crossfire maintains a very simple database for extension use. It can
2328currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329convert to/from binary).
2330
2331The parameter C<$family> should best start with the name of the extension
2332using it, it should be unique.
2333
2334=over 4
2335
2336=item $value = cf::db_get $family => $key
2337
2338Returns a single value from the database.
2339
2340=item cf::db_put $family => $key => $value
2341
2342Stores the given C<$value> in the family.
2343
2344=cut
2345
2346our $DB;
2347
2348sub db_init {
2349 unless ($DB) {
2350 $DB = BDB::db_create $DB_ENV;
2351
2352 cf::sync_job {
2353 eval {
2354 $DB->set_flags (BDB::CHKSUM);
2355
2356 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358 cf::cleanup "db_open(db): $!" if $!;
2359 };
2360 cf::cleanup "db_open(db): $@" if $@;
2361 };
2362 }
2363}
2364
2365sub db_get($$) {
2366 my $key = "$_[0]/$_[1]";
2367
2368 cf::sync_job {
2369 BDB::db_get $DB, undef, $key, my $data;
2370
2371 $! ? ()
2372 : $data
2373 }
2374}
2375
2376sub db_put($$$) {
2377 BDB::dbreq_pri 4;
2378 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379}
2380
2381=item cf::cache $id => [$paths...], $processversion => $process
2382
2383Generic caching function that returns the value of the resource $id,
2384caching and regenerating as required.
2385
2386This function can block.
2387
2388=cut
2389
2390sub cache {
2391 my ($id, $src, $processversion, $process) = @_;
2392
2393 my $meta =
2394 join "\x00",
2395 $processversion,
2396 map {
2397 aio_stat $_
2398 and Carp::croak "$_: $!";
2399
2400 ($_, (stat _)[7,9])
2401 } @$src;
2402
2403 my $dbmeta = db_get cache => "$id/meta";
2404 if ($dbmeta ne $meta) {
2405 # changed, we may need to process
2406
2407 my @data;
2408 my $md5;
2409
2410 for (0 .. $#$src) {
2411 0 <= aio_load $src->[$_], $data[$_]
2412 or Carp::croak "$src->[$_]: $!";
2413 }
2414
2415 # if processing is expensive, check
2416 # checksum first
2417 if (1) {
2418 $md5 =
2419 join "\x00",
2420 $processversion,
2421 map {
2422 Coro::cede;
2423 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2424 } 0.. $#$src;
2425
2426
2427 my $dbmd5 = db_get cache => "$id/md5";
2428 if ($dbmd5 eq $md5) {
2429 db_put cache => "$id/meta", $meta;
2430
2431 return db_get cache => "$id/data";
2432 }
2433 }
2434
2435 my $t1 = Time::HiRes::time;
2436 my $data = $process->(\@data);
2437 my $t2 = Time::HiRes::time;
2438
2439 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441 db_put cache => "$id/data", $data;
2442 db_put cache => "$id/md5" , $md5;
2443 db_put cache => "$id/meta", $meta;
2444
2445 return $data;
2446 }
2447
2448 db_get cache => "$id/data"
2449}
2450
2451=item fork_call { }, $args
2452
2453Executes the given code block with the given arguments in a seperate
2454process, returning the results. Everything must be serialisable with
2455Coro::Storable. May, of course, block. Note that the executed sub may
2456never block itself or use any form of Event handling.
2457
2458=cut
2459
2460sub fork_call(&@) {
2461 my ($cb, @args) = @_;
2462
2463# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464# or die "socketpair: $!";
2465 pipe my $fh1, my $fh2
2466 or die "pipe: $!";
2467
2468 if (my $pid = fork) {
2469 close $fh2;
2470
2471 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472 $res = Coro::Storable::thaw $res;
2473
2474 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476 die $$res unless "ARRAY" eq ref $res;
2477
2478 return wantarray ? @$res : $res->[-1];
2479 } else {
2480 reset_signals;
2481 local $SIG{__WARN__};
2482 local $SIG{__DIE__};
2483 eval {
2484 close $fh1;
2485
2486 my @res = eval { $cb->(@args) };
2487 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488 };
2489
2490 warn $@ if $@;
2491 _exit 0;
2492 }
2493}
2494
2495#############################################################################
2496# the server's init and main functions 3144# the server's init and main functions
2497 3145
2498sub load_facedata($) { 3146sub load_facedata($) {
2499 my ($path) = @_; 3147 my ($path) = @_;
3148
3149 # HACK to clear player env face cache, we need some signal framework
3150 # for this (global event?)
3151 %ext::player_env::MUSIC_FACE_CACHE = ();
3152
3153 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2500 3154
2501 warn "loading facedata from $path\n"; 3155 warn "loading facedata from $path\n";
2502 3156
2503 my $facedata; 3157 my $facedata;
2504 0 < aio_load $path, $facedata 3158 0 < aio_load $path, $facedata
2507 $facedata = Coro::Storable::thaw $facedata; 3161 $facedata = Coro::Storable::thaw $facedata;
2508 3162
2509 $facedata->{version} == 2 3163 $facedata->{version} == 2
2510 or cf::cleanup "$path: version mismatch, cannot proceed."; 3164 or cf::cleanup "$path: version mismatch, cannot proceed.";
2511 3165
3166 # patch in the exptable
3167 $facedata->{resource}{"res/exp_table"} = {
3168 type => FT_RSRC,
3169 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3170 };
3171 cf::cede_to_tick;
3172
2512 { 3173 {
2513 my $faces = $facedata->{faceinfo}; 3174 my $faces = $facedata->{faceinfo};
2514 3175
2515 while (my ($face, $info) = each %$faces) { 3176 while (my ($face, $info) = each %$faces) {
2516 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3177 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3178
2517 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3179 cf::face::set_visibility $idx, $info->{visibility};
3180 cf::face::set_magicmap $idx, $info->{magicmap};
2518 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3181 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2519 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3182 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2520 Coro::cede; 3183
3184 cf::cede_to_tick;
2521 } 3185 }
2522 3186
2523 while (my ($face, $info) = each %$faces) { 3187 while (my ($face, $info) = each %$faces) {
2524 next unless $info->{smooth}; 3188 next unless $info->{smooth};
3189
2525 my $idx = cf::face::find $face 3190 my $idx = cf::face::find $face
2526 or next; 3191 or next;
3192
2527 if (my $smooth = cf::face::find $info->{smooth}) { 3193 if (my $smooth = cf::face::find $info->{smooth}) {
3194 cf::face::set_smooth $idx, $smooth;
2528 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3195 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529 } else { 3196 } else {
2530 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3197 warn "smooth face '$info->{smooth}' not found for face '$face'";
2531 } 3198 }
2532 Coro::cede; 3199
3200 cf::cede_to_tick;
2533 } 3201 }
2534 } 3202 }
2535 3203
2536 { 3204 {
2537 my $anims = $facedata->{animinfo}; 3205 my $anims = $facedata->{animinfo};
2538 3206
2539 while (my ($anim, $info) = each %$anims) { 3207 while (my ($anim, $info) = each %$anims) {
2540 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3208 cf::anim::set $anim, $info->{frames}, $info->{facings};
2541 Coro::cede; 3209 cf::cede_to_tick;
2542 } 3210 }
2543 3211
2544 cf::anim::invalidate_all; # d'oh 3212 cf::anim::invalidate_all; # d'oh
2545 } 3213 }
2546 3214
3215 {
3216 # TODO: for gcfclient pleasure, we should give resources
3217 # that gcfclient doesn't grok a >10000 face index.
3218 my $res = $facedata->{resource};
3219
3220 while (my ($name, $info) = each %$res) {
3221 if (defined $info->{type}) {
3222 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3223 my $data;
3224
3225 if ($info->{type} & 1) {
3226 # prepend meta info
3227
3228 my $meta = $enc->encode ({
3229 name => $name,
3230 %{ $info->{meta} || {} },
3231 });
3232
3233 $data = pack "(w/a*)*", $meta, $info->{data};
3234 } else {
3235 $data = $info->{data};
3236 }
3237
3238 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3239 cf::face::set_type $idx, $info->{type};
3240 } else {
3241 $RESOURCE{$name} = $info;
3242 }
3243
3244 cf::cede_to_tick;
3245 }
3246 }
3247
3248 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3249
2547 1 3250 1
2548} 3251}
2549 3252
3253cf::global->attach (on_resource_update => sub {
3254 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3255 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3256
3257 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3258 my $sound = $soundconf->{compat}[$_]
3259 or next;
3260
3261 my $face = cf::face::find "sound/$sound->[1]";
3262 cf::sound::set $sound->[0] => $face;
3263 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3264 }
3265
3266 while (my ($k, $v) = each %{$soundconf->{event}}) {
3267 my $face = cf::face::find "sound/$v";
3268 cf::sound::set $k => $face;
3269 }
3270 }
3271});
3272
3273register_exticmd fx_want => sub {
3274 my ($ns, $want) = @_;
3275
3276 while (my ($k, $v) = each %$want) {
3277 $ns->fx_want ($k, $v);
3278 }
3279};
3280
2550sub reload_regions { 3281sub reload_regions {
3282 # HACK to clear player env face cache, we need some signal framework
3283 # for this (global event?)
3284 %ext::player_env::MUSIC_FACE_CACHE = ();
3285
2551 load_resource_file "$MAPDIR/regions" 3286 load_resource_file "$MAPDIR/regions"
2552 or die "unable to load regions file\n"; 3287 or die "unable to load regions file\n";
3288
3289 for (cf::region::list) {
3290 $_->{match} = qr/$_->{match}/
3291 if exists $_->{match};
3292 }
2553} 3293}
2554 3294
2555sub reload_facedata { 3295sub reload_facedata {
2556 load_facedata "$DATADIR/facedata" 3296 load_facedata "$DATADIR/facedata"
2557 or die "unable to load facedata\n"; 3297 or die "unable to load facedata\n";
2558} 3298}
2559 3299
2560sub reload_archetypes { 3300sub reload_archetypes {
3301 load_resource_file "$DATADIR/archetypes"
3302 or die "unable to load archetypes\n";
3303 #d# NEED to laod twice to resolve forward references
3304 # this really needs to be done in an extra post-pass
3305 # (which needs to be synchronous, so solve it differently)
2561 load_resource_file "$DATADIR/archetypes" 3306 load_resource_file "$DATADIR/archetypes"
2562 or die "unable to load archetypes\n"; 3307 or die "unable to load archetypes\n";
2563} 3308}
2564 3309
2565sub reload_treasures { 3310sub reload_treasures {
2581 3326
2582sub init { 3327sub init {
2583 reload_resources; 3328 reload_resources;
2584} 3329}
2585 3330
2586sub cfg_load { 3331sub reload_config {
2587 open my $fh, "<:utf8", "$CONFDIR/config" 3332 open my $fh, "<:utf8", "$CONFDIR/config"
2588 or return; 3333 or return;
2589 3334
2590 local $/; 3335 local $/;
2591 *CFG = YAML::Syck::Load <$fh>; 3336 *CFG = YAML::Load <$fh>;
2592 3337
2593 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3338 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2594 3339
2595 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3340 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3341 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2607sub main { 3352sub main {
2608 # we must not ever block the main coroutine 3353 # we must not ever block the main coroutine
2609 local $Coro::idle = sub { 3354 local $Coro::idle = sub {
2610 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3355 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611 (async { 3356 (async {
2612 Event::one_event; 3357 $Coro::current->{desc} = "IDLE BUG HANDLER";
3358 EV::loop EV::LOOP_ONESHOT;
2613 })->prio (Coro::PRIO_MAX); 3359 })->prio (Coro::PRIO_MAX);
2614 }; 3360 };
2615 3361
2616 cfg_load; 3362 reload_config;
2617 db_init; 3363 db_init;
2618 load_extensions; 3364 load_extensions;
2619 3365
2620 $TICK_WATCHER->start; 3366 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3367 evthread_start IO::AIO::poll_fileno;
2621 Event::loop; 3368 EV::loop;
2622} 3369}
2623 3370
2624############################################################################# 3371#############################################################################
2625# initialisation and cleanup 3372# initialisation and cleanup
2626 3373
2627# install some emergency cleanup handlers 3374# install some emergency cleanup handlers
2628BEGIN { 3375BEGIN {
3376 our %SIGWATCHER = ();
2629 for my $signal (qw(INT HUP TERM)) { 3377 for my $signal (qw(INT HUP TERM)) {
2630 Event->signal ( 3378 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2631 reentrant => 0,
2632 data => WF_AUTOCANCEL,
2633 signal => $signal,
2634 prio => 0,
2635 cb => sub {
2636 cf::cleanup "SIG$signal"; 3379 cf::cleanup "SIG$signal";
2637 },
2638 ); 3380 };
3381 }
3382}
3383
3384sub write_runtime {
3385 my $runtime = "$LOCALDIR/runtime";
3386
3387 # first touch the runtime file to show we are still running:
3388 # the fsync below can take a very very long time.
3389
3390 IO::AIO::aio_utime $runtime, undef, undef;
3391
3392 my $guard = cf::lock_acquire "write_runtime";
3393
3394 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3395 or return;
3396
3397 my $value = $cf::RUNTIME + 90 + 10;
3398 # 10 is the runtime save interval, for a monotonic clock
3399 # 60 allows for the watchdog to kill the server.
3400
3401 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3402 and return;
3403
3404 # always fsync - this file is important
3405 aio_fsync $fh
3406 and return;
3407
3408 # touch it again to show we are up-to-date
3409 aio_utime $fh, undef, undef;
3410
3411 close $fh
3412 or return;
3413
3414 aio_rename "$runtime~", $runtime
3415 and return;
3416
3417 warn "runtime file written.\n";
3418
2639 } 3419 1
2640} 3420}
2641 3421
2642sub emergency_save() { 3422sub emergency_save() {
2643 my $freeze_guard = cf::freeze_mainloop; 3423 my $freeze_guard = cf::freeze_mainloop;
2644 3424
2650 # and maps saved/destroyed asynchronously. 3430 # and maps saved/destroyed asynchronously.
2651 warn "begin emergency player save\n"; 3431 warn "begin emergency player save\n";
2652 for my $login (keys %cf::PLAYER) { 3432 for my $login (keys %cf::PLAYER) {
2653 my $pl = $cf::PLAYER{$login} or next; 3433 my $pl = $cf::PLAYER{$login} or next;
2654 $pl->valid or next; 3434 $pl->valid or next;
3435 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655 $pl->save; 3436 $pl->save;
2656 } 3437 }
2657 warn "end emergency player save\n"; 3438 warn "end emergency player save\n";
2658 3439
2659 warn "begin emergency map save\n"; 3440 warn "begin emergency map save\n";
2698 warn "syncing database to disk"; 3479 warn "syncing database to disk";
2699 BDB::db_env_txn_checkpoint $DB_ENV; 3480 BDB::db_env_txn_checkpoint $DB_ENV;
2700 3481
2701 # if anything goes wrong in here, we should simply crash as we already saved 3482 # if anything goes wrong in here, we should simply crash as we already saved
2702 3483
2703 warn "cancelling all WF_AUTOCANCEL watchers";
2704 for (Event::all_watchers) {
2705 $_->cancel if $_->data & WF_AUTOCANCEL;
2706 }
2707
2708 warn "flushing outstanding aio requests"; 3484 warn "flushing outstanding aio requests";
2709 for (;;) { 3485 for (;;) {
2710 BDB::flush; 3486 BDB::flush;
2711 IO::AIO::flush; 3487 IO::AIO::flush;
2712 Coro::cede; 3488 Coro::cede_notself;
2713 last unless IO::AIO::nreqs || BDB::nreqs; 3489 last unless IO::AIO::nreqs || BDB::nreqs;
2714 warn "iterate..."; 3490 warn "iterate...";
2715 } 3491 }
2716 3492
2717 ++$RELOAD; 3493 ++$RELOAD;
2721 %EXT_CORO = (); 3497 %EXT_CORO = ();
2722 3498
2723 warn "removing commands"; 3499 warn "removing commands";
2724 %COMMAND = (); 3500 %COMMAND = ();
2725 3501
2726 warn "removing ext commands"; 3502 warn "removing ext/exti commands";
2727 %EXTCMD = (); 3503 %EXTCMD = ();
3504 %EXTICMD = ();
2728 3505
2729 warn "unloading/nuking all extensions"; 3506 warn "unloading/nuking all extensions";
2730 for my $pkg (@EXTS) { 3507 for my $pkg (@EXTS) {
2731 warn "... unloading $pkg"; 3508 warn "... unloading $pkg";
2732 3509
2775 warn "reloading cf.pm"; 3552 warn "reloading cf.pm";
2776 require cf; 3553 require cf;
2777 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3554 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2778 3555
2779 warn "loading config and database again"; 3556 warn "loading config and database again";
2780 cf::cfg_load; 3557 cf::reload_config;
2781 3558
2782 warn "loading extensions"; 3559 warn "loading extensions";
2783 cf::load_extensions; 3560 cf::load_extensions;
2784 3561
2785 warn "reattaching attachments to objects/players"; 3562 warn "reattaching attachments to objects/players";
2792 warn "leaving sync_job"; 3569 warn "leaving sync_job";
2793 3570
2794 1 3571 1
2795 } or do { 3572 } or do {
2796 warn $@; 3573 warn $@;
2797 warn "error while reloading, exiting."; 3574 cf::cleanup "error while reloading, exiting.";
2798 exit 1;
2799 }; 3575 };
2800 3576
2801 warn "reloaded"; 3577 warn "reloaded";
2802}; 3578};
2803 3579
2805 3581
2806sub reload_perl() { 3582sub reload_perl() {
2807 # doing reload synchronously and two reloads happen back-to-back, 3583 # doing reload synchronously and two reloads happen back-to-back,
2808 # coro crashes during coro_state_free->destroy here. 3584 # coro crashes during coro_state_free->destroy here.
2809 3585
2810 $RELOAD_WATCHER ||= Event->timer ( 3586 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2811 reentrant => 0,
2812 after => 0,
2813 data => WF_AUTOCANCEL,
2814 cb => sub {
2815 do_reload_perl; 3587 do_reload_perl;
2816 undef $RELOAD_WATCHER; 3588 undef $RELOAD_WATCHER;
2817 },
2818 ); 3589 };
2819} 3590}
2820 3591
2821register_command "reload" => sub { 3592register_command "reload" => sub {
2822 my ($who, $arg) = @_; 3593 my ($who, $arg) = @_;
2823 3594
2824 if ($who->flag (FLAG_WIZ)) { 3595 if ($who->flag (FLAG_WIZ)) {
2825 $who->message ("reloading server."); 3596 $who->message ("reloading server.");
3597 async {
3598 $Coro::current->{desc} = "perl_reload";
2826 async { reload_perl }; 3599 reload_perl;
3600 };
2827 } 3601 }
2828}; 3602};
2829 3603
2830unshift @INC, $LIBDIR; 3604unshift @INC, $LIBDIR;
2831 3605
2833 3607
2834our @WAIT_FOR_TICK; 3608our @WAIT_FOR_TICK;
2835our @WAIT_FOR_TICK_BEGIN; 3609our @WAIT_FOR_TICK_BEGIN;
2836 3610
2837sub wait_for_tick { 3611sub wait_for_tick {
2838 return unless $TICK_WATCHER->is_active; 3612 return if tick_inhibit;
2839 return if $Coro::current == $Coro::main; 3613 return if $Coro::current == $Coro::main;
2840 3614
2841 my $signal = new Coro::Signal; 3615 my $signal = new Coro::Signal;
2842 push @WAIT_FOR_TICK, $signal; 3616 push @WAIT_FOR_TICK, $signal;
2843 $signal->wait; 3617 $signal->wait;
2844} 3618}
2845 3619
2846sub wait_for_tick_begin { 3620sub wait_for_tick_begin {
2847 return unless $TICK_WATCHER->is_active; 3621 return if tick_inhibit;
2848 return if $Coro::current == $Coro::main; 3622 return if $Coro::current == $Coro::main;
2849 3623
2850 my $signal = new Coro::Signal; 3624 my $signal = new Coro::Signal;
2851 push @WAIT_FOR_TICK_BEGIN, $signal; 3625 push @WAIT_FOR_TICK_BEGIN, $signal;
2852 $signal->wait; 3626 $signal->wait;
2853} 3627}
2854 3628
2855 my $min = 1e6;#d# 3629sub tick {
2856 my $avg = 10;
2857$TICK_WATCHER = Event->timer (
2858 reentrant => 0,
2859 parked => 1,
2860 prio => 0,
2861 at => $NEXT_TICK || $TICK,
2862 data => WF_AUTOCANCEL,
2863 cb => sub {
2864 if ($Coro::current != $Coro::main) { 3630 if ($Coro::current != $Coro::main) {
2865 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3631 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866 unless ++$bug_warning > 10; 3632 unless ++$bug_warning > 10;
2867 return; 3633 return;
2868 } 3634 }
2869 3635
2870 $NOW = $tick_start = Event::time;
2871
2872 cf::server_tick; # one server iteration 3636 cf::server_tick; # one server iteration
2873 3637
2874 0 && sync_job {#d# 3638 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875 for(1..10) { 3639 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876 my $t = Event::time; 3640 Coro::async_pool {
2877 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3641 $Coro::current->{desc} = "runtime saver";
2878 or die; 3642 write_runtime
2879 3643 or warn "ERROR: unable to write runtime file: $!";
2880 $map->width (50);
2881 $map->height (50);
2882 $map->alloc;
2883 $map->_load_objects ("/tmp/x.map", 1);
2884 my $t = Event::time - $t;
2885
2886 #next unless $t < 0.0013;#d#
2887 if ($t < $min) {
2888 $min = $t;
2889 }
2890 $avg = $avg * 0.99 + $t * 0.01;
2891 }
2892 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893 exit 0;
2894 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895 }; 3644 };
3645 }
2896 3646
2897 $RUNTIME += $TICK;
2898 $NEXT_TICK += $TICK;
2899
2900 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901 $NEXT_RUNTIME_WRITE = $NOW + 10;
2902 Coro::async_pool {
2903 write_runtime
2904 or warn "ERROR: unable to write runtime file: $!";
2905 };
2906 }
2907
2908# my $AFTER = Event::time;
2909# warn $AFTER - $NOW;#d#
2910
2911 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3647 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912 $sig->send; 3648 $sig->send;
2913 } 3649 }
2914 while (my $sig = shift @WAIT_FOR_TICK) { 3650 while (my $sig = shift @WAIT_FOR_TICK) {
2915 $sig->send; 3651 $sig->send;
2916 } 3652 }
2917 3653
2918 $NOW = Event::time; 3654 $LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920 # if we are delayed by four ticks or more, skip them all
2921 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923 $TICK_WATCHER->at ($NEXT_TICK);
2924 $TICK_WATCHER->start;
2925
2926 $LOAD = ($NOW - $tick_start) / $TICK;
2927 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3655 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928 3656
2929 _post_tick; 3657 if (0) {
2930 3658 if ($NEXT_TICK) {
2931 3659 my $jitter = $TICK_START - $NEXT_TICK;
3660 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3661 warn "jitter $JITTER\n";#d#
3662 }
2932 }, 3663 }
2933); 3664}
2934 3665
2935{ 3666{
2936 BDB::max_poll_time $TICK * 0.1; 3667 # configure BDB
2937 $BDB_POLL_WATCHER = Event->io ( 3668
2938 reentrant => 0,
2939 fd => BDB::poll_fileno,
2940 poll => 'r',
2941 prio => 0,
2942 data => WF_AUTOCANCEL,
2943 cb => \&BDB::poll_cb,
2944 );
2945 BDB::min_parallel 8; 3669 BDB::min_parallel 8;
2946 3670 BDB::max_poll_reqs $TICK * 0.1;
2947 BDB::set_sync_prepare { 3671 $Coro::BDB::WATCHER->priority (1);
2948 my $status;
2949 my $current = $Coro::current;
2950 (
2951 sub {
2952 $status = $!;
2953 $current->ready; undef $current;
2954 },
2955 sub {
2956 Coro::schedule while defined $current;
2957 $! = $status;
2958 },
2959 )
2960 };
2961 3672
2962 unless ($DB_ENV) { 3673 unless ($DB_ENV) {
2963 $DB_ENV = BDB::db_env_create; 3674 $DB_ENV = BDB::db_env_create;
3675 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3676 | BDB::LOG_AUTOREMOVE, 1);
3677 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964 3679
2965 cf::sync_job { 3680 cf::sync_job {
2966 eval { 3681 eval {
2967 BDB::db_env_open 3682 BDB::db_env_open
2968 $DB_ENV, 3683 $DB_ENV,
2970 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3685 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3686 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972 0666; 3687 0666;
2973 3688
2974 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3689 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977 $DB_ENV->set_lk_detect;
2978 }; 3690 };
2979 3691
2980 cf::cleanup "db_env_open(db): $@" if $@; 3692 cf::cleanup "db_env_open(db): $@" if $@;
2981 }; 3693 };
2982 } 3694 }
3695
3696 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3697 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3698 };
3699 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3700 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3701 };
3702 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3703 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3704 };
2983} 3705}
2984 3706
2985{ 3707{
3708 # configure IO::AIO
3709
2986 IO::AIO::min_parallel 8; 3710 IO::AIO::min_parallel 8;
2987
2988 undef $Coro::AIO::WATCHER;
2989 IO::AIO::max_poll_time $TICK * 0.1; 3711 IO::AIO::max_poll_time $TICK * 0.1;
2990 $AIO_POLL_WATCHER = Event->io ( 3712 $Coro::AIO::WATCHER->priority (1);
2991 reentrant => 0,
2992 data => WF_AUTOCANCEL,
2993 fd => IO::AIO::poll_fileno,
2994 poll => 'r',
2995 prio => 6,
2996 cb => \&IO::AIO::poll_cb,
2997 );
2998} 3713}
2999 3714
3000my $_log_backtrace; 3715my $_log_backtrace;
3001 3716
3002sub _log_backtrace { 3717sub _log_backtrace {
3006 3721
3007 # limit the # of concurrent backtraces 3722 # limit the # of concurrent backtraces
3008 if ($_log_backtrace < 2) { 3723 if ($_log_backtrace < 2) {
3009 ++$_log_backtrace; 3724 ++$_log_backtrace;
3010 async { 3725 async {
3726 $Coro::current->{desc} = "abt $msg";
3727
3011 my @bt = fork_call { 3728 my @bt = fork_call {
3012 @addr = map { sprintf "%x", $_ } @addr; 3729 @addr = map { sprintf "%x", $_ } @addr;
3013 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3730 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3731 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015 or die "addr2line: $!"; 3732 or die "addr2line: $!";

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