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Revision 1.274 by root, Tue Jun 5 13:05:02 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# 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 Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 282for my $pkg (qw(
198 cf::global cf::attachable 283 cf::global cf::attachable
199 cf::object cf::object::player 284 cf::object cf::object::player
200 cf::client cf::player 285 cf::client cf::player
201 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
202 cf::map cf::party cf::region 288 cf::party cf::region
203)) { 289)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 291}
207 292
208$Event::DIED = sub { 293$EV::DIED = sub {
209 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
210}; 295};
296
297#############################################################################
211 298
212=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
213 300
214=over 4 301=over 4
215 302
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 322 $d
236 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
237} 324}
238 325
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
242 327
243Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
244 329
245=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
246 331
247Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
248 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
249=item cf::lock_wait $string 355=item cf::lock_wait $string
250 356
251Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
252 358
253=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
254 360
255Wait until the given lock is available and then acquires it and returns 361Wait 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, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
258returned. 364returned.
259 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
260Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
262 371
263=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
264 373
265Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
266 375
267=cut 376=cut
268 377
269our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
270 379
271sub lock_wait($) { 380sub lock_wait($) {
272 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 382}
280 383
281sub lock_acquire($) { 384sub lock_acquire($) {
282 my ($key) = @_; 385 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 386}
294 387
295sub lock_active($) { 388sub lock_active($) {
296 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 390}
300 391
301sub freeze_mainloop { 392sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
303 394
304 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
306 }; 462 }
307 $TICK_WATCHER->stop; 463};
308 $guard 464
465sub get_slot($;$$) {
466 return if tick_inhibit || $Coro::current == $Coro::main;
467
468 my ($time, $pri, $name) = @_;
469
470 $time = clamp $time, 0.01, $TICK * .6;
471
472 my $sig = new Coro::Signal;
473
474 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
475 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
476 $SLOT_QUEUE->ready;
477 $sig->wait;
309} 478}
310 479
311=item cf::async { BLOCK } 480=item cf::async { BLOCK }
312 481
313Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
318 487
319BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
320 489
321=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
322 491
323The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
326 496
327If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
330fast or be very important. 500fast or be very important.
… …
333 503
334sub sync_job(&) { 504sub sync_job(&) {
335 my ($job) = @_; 505 my ($job) = @_;
336 506
337 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 508 my $time = EV::time;
339 509
340 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
342 512
343 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 514
345 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
346 516
347 my $busy = 1; 517 my $busy = 1;
348 my @res; 518 my @res;
349 519
350 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 522 @res = eval { $job->() };
352 warn $@ if $@; 523 warn $@ if $@;
353 undef $busy; 524 undef $busy;
354 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
355 526
356 while ($busy) { 527 while ($busy) {
357 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
358 } 532 }
533 }
359 534
360 $time = Event::time - $time; 535 my $time = EV::time - $time;
361 536
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 537 $TICK_START += $time; # do not account sync jobs to server load
366 538
367 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
368 } else { 540 } else {
369 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
370 542
… …
390 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
391 563
392 $coro 564 $coro
393} 565}
394 566
395sub write_runtime { 567=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 568
398 # first touch the runtime file to show we are still running: 569Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 570process, returning the results. Everything must be serialisable with
571Coro::Storable. May, of course, block. Note that the executed sub may
572never block itself or use any form of event handling.
400 573
401 IO::AIO::aio_utime $runtime, undef, undef; 574=cut
402 575
403 my $guard = cf::lock_acquire "write_runtime"; 576sub fork_call(&@) {
577 my ($cb, @args) = @_;
404 578
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 579 # we seemingly have to make a local copy of the whole thing,
406 or return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
407 582
408 my $value = $cf::RUNTIME + 90 + 10; 583 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 584 reset_signals;
410 # 60 allows for the watchdog to kill the server. 585 &$cb
586 }, @args;
411 587
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 588 wantarray ? @res : $res[-1]
413 and return; 589}
414 590
415 # always fsync - this file is important 591=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 592
419 # touch it again to show we are up-to-date 593=cut
420 aio_utime $fh, undef, undef;
421 594
422 close $fh 595our %coin_alias = (
423 or return; 596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
424 611
425 aio_rename "$runtime~", $runtime 612sub coin_from_name($) {
426 and return; 613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
427 617
428 warn "runtime file written.\n"; 618=item $value = cf::db_get $family => $key
429 619
620Returns a single value from the environment database.
621
622=item cf::db_put $family => $key => $value
623
624Stores the given C<$value> in the family. It can currently store binary
625data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
626
627=item $db = cf::db_table "name"
628
629Create and/or open a new database table. The string must not be "db" and must be unique
630within each server.
631
632=cut
633
634sub db_table($) {
635 my ($name) = @_;
636 my $db = BDB::db_create $DB_ENV;
637
638 eval {
639 $db->set_flags (BDB::CHKSUM);
640
641 utf8::encode $name;
642 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
643 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
644 cf::cleanup "db_open(db): $!" if $!;
645 };
646 cf::cleanup "db_open(db): $@" if $@;
647
648 $db
649}
650
651our $DB;
652
653sub db_init {
654 cf::sync_job {
655 $DB ||= db_table "db";
656 };
657}
658
659sub db_get($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
430 1 667 }
668}
669
670sub db_put($$$) {
671 BDB::dbreq_pri 4;
672 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
673}
674
675=item cf::cache $id => [$paths...], $processversion => $process
676
677Generic caching function that returns the value of the resource $id,
678caching and regenerating as required.
679
680This function can block.
681
682=cut
683
684sub cache {
685 my ($id, $src, $processversion, $process) = @_;
686
687 my $meta =
688 join "\x00",
689 $processversion,
690 map {
691 aio_stat $_
692 and Carp::croak "$_: $!";
693
694 ($_, (stat _)[7,9])
695 } @$src;
696
697 my $dbmeta = db_get cache => "$id/meta";
698 if ($dbmeta ne $meta) {
699 # changed, we may need to process
700
701 my @data;
702 my $md5;
703
704 for (0 .. $#$src) {
705 0 <= aio_load $src->[$_], $data[$_]
706 or Carp::croak "$src->[$_]: $!";
707 }
708
709 # if processing is expensive, check
710 # checksum first
711 if (1) {
712 $md5 =
713 join "\x00",
714 $processversion,
715 map {
716 cf::cede_to_tick;
717 ($src->[$_], Digest::MD5::md5_hex $data[$_])
718 } 0.. $#$src;
719
720
721 my $dbmd5 = db_get cache => "$id/md5";
722 if ($dbmd5 eq $md5) {
723 db_put cache => "$id/meta", $meta;
724
725 return db_get cache => "$id/data";
726 }
727 }
728
729 my $t1 = Time::HiRes::time;
730 my $data = $process->(\@data);
731 my $t2 = Time::HiRes::time;
732
733 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
734
735 db_put cache => "$id/data", $data;
736 db_put cache => "$id/md5" , $md5;
737 db_put cache => "$id/meta", $meta;
738
739 return $data;
740 }
741
742 db_get cache => "$id/data"
431} 743}
432 744
433=item cf::datalog type => key => value, ... 745=item cf::datalog type => key => value, ...
434 746
435Log a datalog packet of the given type with the given key-value pairs. 747Log a datalog packet of the given type with the given key-value pairs.
… …
447 759
448############################################################################# 760#############################################################################
449 761
450=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
451 763
452Many objects in crossfire are so-called attachable objects. That means you can 764Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
455 767
456In the following description, CLASS can be any of C<global>, C<object> 768In 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 769C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 770Deliantra).
459 771
460=over 4 772=over 4
461 773
462=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
463 775
… …
507=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
508 820
509Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
511 823
512Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 825that are attached at load/instantiate time, thus the need for a name.
514 826
515These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
516 828
517=over 4 829=over 4
… …
665 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
666 } 978 }
667 979
668 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
669 } else { 981 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 983 }
672 984
673 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
674} 986}
675 987
… …
715 "; 1027 ";
716 die if $@; 1028 die if $@;
717} 1029}
718 1030
719our $override; 1031our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1032our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1033
722sub override { 1034sub override {
723 $override = 1; 1035 $override = 1;
724 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
725} 1037}
726 1038
727sub do_invoke { 1039sub do_invoke {
728 my $event = shift; 1040 my $event = shift;
729 my $callbacks = shift; 1041 my $callbacks = shift;
730 1042
731 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
732 1044
733 local $override; 1045 local $override;
734 1046
735 for (@$callbacks) { 1047 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
745 } 1057 }
746 1058
747 0 1059 0
748} 1060}
749 1061
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1063
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1065
754Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
755 1067
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1068This 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 1069removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1071
760=back 1072=back
761 1073
762=cut 1074=cut
763 1075
764############################################################################# 1076#############################################################################
765# object support 1077# object support
1078
1079sub _object_equal($$);
1080sub _object_equal($$) {
1081 my ($a, $b) = @_;
1082
1083 return 0 unless (ref $a) eq (ref $b);
1084
1085 if ("HASH" eq ref $a) {
1086 my @ka = keys %$a;
1087 my @kb = keys %$b;
1088
1089 return 0 if @ka != @kb;
1090
1091 for (0 .. $#ka) {
1092 return 0 unless $ka[$_] eq $kb[$_];
1093 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1094 }
1095
1096 } elsif ("ARRAY" eq ref $a) {
1097
1098 return 0 if @$a != @$b;
1099
1100 for (0 .. $#$a) {
1101 return 0 unless _object_equal $a->[$_], $b->[$_];
1102 }
1103
1104 } elsif ($a ne $b) {
1105 return 0;
1106 }
1107
1108 1
1109}
1110
1111our $SLOW_MERGES;#d#
1112sub _can_merge {
1113 my ($ob1, $ob2) = @_;
1114
1115 ++$SLOW_MERGES;#d#
1116
1117 # we do the slow way here
1118 return _object_equal $ob1, $ob2
1119}
766 1120
767sub reattach { 1121sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1123 my ($obj) = @_;
770 1124
1125 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1127
773 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
774 1129
775 @$registry = (); 1130 @$registry = ();
776 1131
… …
791cf::attachable->attach ( 1146cf::attachable->attach (
792 prio => -1000000, 1147 prio => -1000000,
793 on_instantiate => sub { 1148 on_instantiate => sub {
794 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
795 1150
796 $data = from_json $data; 1151 $data = decode_json $data;
797 1152
798 for (@$data) { 1153 for (@$data) {
799 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
800 1155
801 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1172sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
819 1174
820 sync_job { 1175 sync_job {
821 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
824 1180
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1186 aio_fsync $fh;
1187 }
829 close $fh; 1188 aio_close $fh;
830 1189
831 if (@$objs) { 1190 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1191 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1195 if ($cf::USE_FSYNC) {
1196 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1197 aio_fsync $fh;
1198 }
837 close $fh; 1199 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
839 } 1201 }
840 } else { 1202 } else {
841 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
842 } 1204 }
843 1205
844 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1210 } else {
846 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
847 } 1212 }
848 } else { 1213 } else {
849 aio_unlink $filename; 1214 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
851 } 1216 }
852 } 1217 };
853} 1218}
854 1219
855sub object_freezer_as_string { 1220sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
857 1222
… …
869 or return; 1234 or return;
870 1235
871 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
873 or return; 1238 or return;
1239
874 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
875 } 1242 }
876 1243
1244 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1246 $decname, length $data, scalar @{$av || []};
1247
879 return ($data, $av); 1248 ($data, $av)
880} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
881 1256
882############################################################################# 1257#############################################################################
883# command handling &c 1258# command handling &c
884 1259
885=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1274}
900 1275
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1277
903Register a callbackf ro execution when the client sends an extcmd packet. 1278Register a callback for execution when the client sends an (synchronous)
1279extcmd packet. Ext commands will be processed in the order they are
1280received by the server, like other user commands. The first argument is
1281the logged-in player. Ext commands can only be processed after a player
1282has logged in successfully.
904 1283
905If the callback returns something, it is sent back as if reply was being 1284If the callback returns something, it is sent back as if reply was being
906called. 1285called.
907 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
908=cut 1298=cut
909 1299
910sub register_extcmd { 1300sub register_extcmd {
911 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
912 1302
913 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
914} 1304}
915 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
916cf::player->attach ( 1314cf::player->attach (
917 on_command => sub { 1315 on_unknown_command => sub {
918 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
919 1317
920 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
921 or return; 1319 or return;
922 1320
… …
927 cf::override; 1325 cf::override;
928 }, 1326 },
929 on_extcmd => sub { 1327 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
931 1329
932 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1331
934 if (ref $msg) { 1332 if (ref $msg) {
1333 my ($type, $reply, @payload) =
1334 "ARRAY" eq ref $msg
1335 ? @$msg
1336 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1337
1338 my @reply;
1339
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
940 } else { 1347 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1349 }
943 1350
944 cf::override; 1351 cf::override;
945 }, 1352 },
946); 1353);
947 1354
1355# "readahead" all extensions
948sub load_extension { 1356sub cache_extensions {
949 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
950 1358
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
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 } 1362 }
976 die $@;
977 } 1363 };
978 1364
979 push @EXTS, $pkg; 1365 $grp
980} 1366}
981 1367
982sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
983 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1373 next unless -r $path;
985 eval { 1374
986 load_extension $ext; 1375 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1376 my $base = $1;
1377 my $pkg = $1;
1378 $pkg =~ s/[^[:word:]]/_/g;
1379 $pkg = "ext::$pkg";
1380
1381 open my $fh, "<:utf8", $path
1382 or die "$path: $!";
1383
1384 my $source = do { local $/; <$fh> };
1385
1386 my %ext = (
1387 path => $path,
1388 base => $base,
1389 pkg => $pkg,
1390 );
1391
1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1394
1395 $ext{source} =
1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1397 . "#line 1 \"$path\"\n{\n"
1398 . $source
1399 . "\n};\n1";
1400
1401 $todo{$base} = \%ext;
1402 }
1403
1404 my $pass = 0;
1405 my %done;
1406 while (%todo) {
1407 my $progress;
1408
1409 ++$pass;
1410
1411 ext:
1412 while (my ($k, $v) = each %todo) {
1413 for (split /,\s*/, $v->{meta}{depends}) {
1414 next ext
1415 unless exists $done{$_};
1416 }
1417
1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1419
1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
1423 warn "$v->{path}: $@\n";
1424
1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1426 if exists $v->{meta}{mandatory};
1427 } else {
1428 $done{$k} = delete $todo{$k};
1429 push @EXTS, $v->{pkg};
1430 $progress = 1;
1431
1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1434 }
987 1 1435 }
988 } or warn "$ext not loaded: $@"; 1436
1437 unless ($progress) {
1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1445 }
989 } 1446 };
990} 1447}
991 1448
992############################################################################# 1449#############################################################################
993 1450
1451=back
1452
994=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
995 1454
996Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
997 1456
998=cut 1457=cut
999 1458
1000package cf::player; 1459package cf::player;
1001 1460
1002use Coro::AIO; 1461use Coro::AIO;
1003 1462
1004=head3 cf::player 1463=head3 cf::player
1005 1464
1006=over 4 1465=over 4
1466
1467=item cf::player::num_playing
1468
1469Returns the official number of playing players, as per the Crossfire metaserver rules.
1470
1471=cut
1472
1473sub num_playing {
1474 scalar grep
1475 $_->ob->map
1476 && !$_->hidden
1477 && !$_->ob->flag (cf::FLAG_WIZ),
1478 cf::player::list
1479}
1007 1480
1008=item cf::player::find $login 1481=item cf::player::find $login
1009 1482
1010Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
1011 1484
… …
1030 1503
1031sub exists($) { 1504sub exists($) {
1032 my ($login) = @_; 1505 my ($login) = @_;
1033 1506
1034 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
1036} 1509}
1037 1510
1038sub find($) { 1511sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1513 my $login = $_[0];
… …
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1520 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1521 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1522 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1523 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1524
1052 my $pl = load_pl path $login 1525 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1526 or return;
1527
1528 my $pl = cf::player::load_pl $f
1529 or return;
1530
1531 local $cf::PLAYER_LOADING{$login} = $pl;
1532 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1055 } 1534 }
1056 } 1535 }
1057} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($pl, $path) = @_;
1541
1542 # restore slots saved in save, below
1543 my $slots = delete $pl->{_slots};
1544
1545 $pl->ob->current_weapon ($slots->[0]);
1546 $pl->combat_ob ($slots->[1]);
1547 $pl->ranged_ob ($slots->[2]);
1548 },
1549);
1058 1550
1059sub save($) { 1551sub save($) {
1060 my ($pl) = @_; 1552 my ($pl) = @_;
1061 1553
1062 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
1067 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
1068 1560
1069 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
1071 1563
1564 cf::get_slot 0.01;
1565
1566 # save slots, to be restored later
1567 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1568
1072 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1073 Coro::cede; 1570 cf::cede_to_tick;
1074} 1571}
1075 1572
1076sub new($) { 1573sub new($) {
1077 my ($login) = @_; 1574 my ($login) = @_;
1078 1575
… …
1084 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1085 1582
1086 $self 1583 $self
1087} 1584}
1088 1585
1586=item $player->send_msg ($channel, $msg, $color, [extra...])
1587
1588=cut
1589
1590sub send_msg {
1591 my $ns = shift->ns
1592 or return;
1593 $ns->send_msg (@_);
1594}
1595
1089=item $pl->quit_character 1596=item $pl->quit_character
1090 1597
1091Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1093 1600
… …
1097 my ($pl) = @_; 1604 my ($pl) = @_;
1098 1605
1099 my $name = $pl->ob->name; 1606 my $name = $pl->ob->name;
1100 1607
1101 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1609 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1610
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1108 1617
1109 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1146 or return []; 1655 or return [];
1147 1656
1148 my @logins; 1657 my @logins;
1149 1658
1150 for my $login (@$dirs) { 1659 for my $login (@$dirs) {
1660 my $path = path $login;
1661
1662 # a .pst is a dead give-away for a valid player
1663 # if no pst file found, open and chekc for blocked users
1664 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1154 1669
1155 utf8::decode $login; 1670 utf8::decode $login;
1156 push @logins, $login; 1671 push @logins, $login;
1157 } 1672 }
1158 1673
… …
1185 } 1700 }
1186 1701
1187 \@paths 1702 \@paths
1188} 1703}
1189 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1190=item $player->ext_reply ($msgid, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1191 1710
1192Sends an ext reply to the player. 1711Sends an ext reply to the player.
1193 1712
1194=cut 1713=cut
1195 1714
1196sub ext_reply($$%) { 1715sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1198 1717
1199 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1719}
1203 1720
1204=item $player->ext_event ($type, %msg) 1721=item $player->ext_msg ($type, @msg)
1205 1722
1206Sends an ext event to the client. 1723Sends an ext event to the client.
1207 1724
1208=cut 1725=cut
1209 1726
1210sub ext_event($$%) { 1727sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1728 my ($self, $type, @msg) = @_;
1212 1729
1213 $self->ns->ext_event ($type, %msg); 1730 $self->ns->ext_msg ($type, @msg);
1214} 1731}
1215 1732
1216=head3 cf::region 1733=head3 cf::region
1217 1734
1218=over 4 1735=over 4
… …
1221 1738
1222package cf::region; 1739package cf::region;
1223 1740
1224=item cf::region::find_by_path $path 1741=item cf::region::find_by_path $path
1225 1742
1226Tries to decuce the probable region for a map knowing only its path. 1743Tries to decuce the likely region for a map knowing only its path.
1227 1744
1228=cut 1745=cut
1229 1746
1230sub find_by_path($) { 1747sub find_by_path($) {
1231 my ($path) = @_; 1748 my ($path) = @_;
1232 1749
1233 my ($match, $specificity); 1750 my ($match, $specificity);
1234 1751
1235 for my $region (list) { 1752 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1753 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1754 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1755 if $region->specificity > $specificity;
1239 } 1756 }
1240 } 1757 }
1241 1758
… …
1262our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1264 1781
1265sub generate_random_map { 1782sub generate_random_map {
1266 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1267 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1788 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1273 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1274 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1305 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1306 1826
1307 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1308 local $self->{path}; 1828 local $self->{path};
1309 local $self->{load_path}; 1829 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312 1830
1313 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1314} 1832}
1315 1833
1316sub normalise { 1834sub normalise {
… …
1363 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1364 return $self; 1882 return $self;
1365 } 1883 }
1366 } 1884 }
1367 1885
1368 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1369 () 1887 ()
1370} 1888}
1371 1889
1372sub init { 1890sub init {
1373 my ($self) = @_; 1891 my ($self) = @_;
… …
1395 1913
1396# the temporary/swap location 1914# the temporary/swap location
1397sub save_path { 1915sub save_path {
1398 my ($self) = @_; 1916 my ($self) = @_;
1399 1917
1400 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1402} 1920}
1403 1921
1404# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1405sub uniq_path { 1923sub uniq_path {
1406 my ($self) = @_; 1924 my ($self) = @_;
1407 1925
1408 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1410} 1928}
1411 1929
1412# and all this just because we cannot iterate over 1930sub decay_objects {
1413# all maps in C++...
1414sub change_all_map_light {
1415 my ($change) = @_; 1931 my ($self) = @_;
1416 1932
1417 $_->change_map_light ($change) 1933 return if $self->{deny_reset};
1418 for grep $_->outdoor, values %cf::MAP; 1934
1935 $self->do_decay_objects;
1419} 1936}
1420 1937
1421sub unlink_save { 1938sub unlink_save {
1422 my ($self) = @_; 1939 my ($self) = @_;
1423 1940
… …
1428 1945
1429sub load_header_from($) { 1946sub load_header_from($) {
1430 my ($self, $path) = @_; 1947 my ($self, $path) = @_;
1431 1948
1432 utf8::encode $path; 1949 utf8::encode $path;
1433 #aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1434 # or return;
1435
1436 $self->_load_header ($path)
1437 or return; 1951 or return;
1952
1953 $self->_load_header ($f)
1954 or return;
1955
1956 local $MAP_LOADING{$self->{path}} = $self;
1957 $f->resolve_delayed_derefs;
1438 1958
1439 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1440 1960
1441 1 1961 1
1442} 1962}
… …
1481 $self->load_header_orig 2001 $self->load_header_orig
1482 or return; 2002 or return;
1483 $self->prepare_orig; 2003 $self->prepare_orig;
1484 } 2004 }
1485 2005
2006 $self->{deny_reset} = 1
2007 if $self->no_reset;
2008
1486 $self->default_region (cf::region::find_by_path $self->{path}) 2009 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region; 2010 unless $self->default_region;
1488 2011
1489 1 2012 1
1490} 2013}
… …
1493sub find { 2016sub find {
1494 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1495 2018
1496 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1497 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1499 2023
1500 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1501 my $guard = cf::lock_acquire "map_find:$path";
1502 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1503 or return; 2026 or return;
1504 2027
1505 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1506 2029
1507 $map->load_header 2030 $map->load_header
1508 or return; 2031 or return;
1509 2032
1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously 2034 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1513 $map->reset; 2038 $map->reset;
1514 undef $guard;
1515 return find $path; 2039 return find $path;
1516 } 2040 }
1517 2041
1518 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1519 } 2043 }
1520} 2044}
1521 2045
1522sub pre_load { } 2046sub pre_load { }
1523sub post_load { } 2047#sub post_load { } # XS
1524 2048
1525sub load { 2049sub load {
1526 my ($self) = @_; 2050 my ($self) = @_;
1527 2051
1528 local $self->{deny_reset} = 1; # loading can take a long time 2052 local $self->{deny_reset} = 1; # loading can take a long time
1529 2053
1530 my $path = $self->{path}; 2054 my $path = $self->{path};
1531 2055
1532 { 2056 {
1533 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1534 2058
2059 return unless $self->valid;
1535 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1536 2061
1537 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1538 2063
1539 $self->alloc; 2064 $self->alloc;
1540 2065
1541 $self->pre_load; 2066 $self->pre_load;
1542 Coro::cede; 2067 cf::cede_to_tick;
1543 2068
2069 my $f = new_from_file cf::object::thawer $self->{load_path};
2070 $f->skip_block;
1544 $self->_load_objects ($self->{load_path}, 1) 2071 $self->_load_objects ($f)
1545 or return; 2072 or return;
1546 2073
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1548 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1549 2076
1550 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq; 2078 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1553 $self->clear_unique_items; 2081 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1555 } 2085 }
1556 } 2086 }
1557 2087
1558 Coro::cede; 2088 $f->resolve_delayed_derefs;
2089
2090 cf::cede_to_tick;
1559 # now do the right thing for maps 2091 # now do the right thing for maps
1560 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1561 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1562 unless $self->difficulty; 2094 unless $self->difficulty;
1563 Coro::cede; 2095 cf::cede_to_tick;
1564 2096
1565 unless ($self->{deny_activate}) { 2097 unless ($self->{deny_activate}) {
1566 $self->decay_objects; 2098 $self->decay_objects;
1567 $self->fix_auto_apply; 2099 $self->fix_auto_apply;
1568 $self->update_buttons; 2100 $self->update_buttons;
1569 Coro::cede; 2101 cf::cede_to_tick;
1570 $self->set_darkness_map;
1571 Coro::cede;
1572 $self->activate; 2102 $self->activate;
1573 } 2103 }
1574 2104
2105 $self->{last_save} = $cf::RUNTIME;
2106 $self->last_access ($cf::RUNTIME);
2107
1575 $self->in_memory (cf::MAP_IN_MEMORY); 2108 $self->in_memory (cf::MAP_ACTIVE);
1576 } 2109 }
1577 2110
1578 $self->post_load; 2111 $self->post_load;
1579} 2112}
1580 2113
2114# customize the map for a given player, i.e.
2115# return the _real_ map. used by e.g. per-player
2116# maps to change the path to ~playername/mappath
1581sub customise_for { 2117sub customise_for {
1582 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1583 2119
1584 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1585 if $self->per_player; 2121 if $self->per_player;
1586 2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
1587 $self 2126 $self
1588} 2127}
1589 2128
1590# find and load all maps in the 3x3 area around a map 2129# find and load all maps in the 3x3 area around a map
1591sub load_diag { 2130sub load_neighbours {
1592 my ($map) = @_; 2131 my ($map) = @_;
1593 2132
1594 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1595 2134
1596 for (0 .. 3) { 2135 for (0 .. 3) {
1597 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1598 or next; 2137 or next;
1599 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1600 or next; 2139 or next;
1601 $neigh->load; 2140 $neigh->load;
1602 2141
2142 push @neigh,
1603 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1605 } 2145 }
1606 2146
1607 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1608 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1609 or next; 2150 or next;
1610 $neigh->load; 2151 $neigh->load;
1611 } 2152 }
1612} 2153}
1613 2154
… …
1618} 2159}
1619 2160
1620sub do_load_sync { 2161sub do_load_sync {
1621 my ($map) = @_; 2162 my ($map) = @_;
1622 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1623 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1624} 2168}
1625 2169
1626our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1627our $MAP_PREFETCHER = undef; 2171our $MAP_PREFETCHER = undef;
1628 2172
1629sub find_async { 2173sub find_async {
1630 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1631 2175
1632 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1633 2177
1634 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636 } 2180 }
1637 2181
1638 undef $MAP_PREFETCH{$path}; 2182 $MAP_PREFETCH{$path} |= $load;
2183
1639 $MAP_PREFETCHER ||= cf::async { 2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
1640 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) { 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1642 my $map = find $path 2189 if (my $map = find $k) {
1643 or next;
1644 $map->load; 2190 $map->load if $v;
2191 }
1645 2192
1646 delete $MAP_PREFETCH{$path}; 2193 delete $MAP_PREFETCH{$k};
1647 } 2194 }
1648 } 2195 }
1649 undef $MAP_PREFETCHER; 2196 undef $MAP_PREFETCHER;
1650 }; 2197 };
1651 $MAP_PREFETCHER->prio (6); 2198 $MAP_PREFETCHER->prio (6);
… …
1654} 2201}
1655 2202
1656sub save { 2203sub save {
1657 my ($self) = @_; 2204 my ($self) = @_;
1658 2205
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2207
1661 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1662 2209
1663 return unless $self->dirty; 2210 return unless $self->dirty;
1664 2211
… …
1670 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1671 2218
1672 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1673 2220
1674 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1675 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1676 }; 2224 };
2225
2226 cf::get_slot 0.02;
1677 2227
1678 if ($uniq) { 2228 if ($uniq) {
1679 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1681 } else { 2231 } else {
… …
1687 my ($self) = @_; 2237 my ($self) = @_;
1688 2238
1689 # save first because save cedes 2239 # save first because save cedes
1690 $self->save; 2240 $self->save;
1691 2241
1692 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1693 2243
1694 return if $self->players; 2244 return if $self->players;
1695 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1696 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1697 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1698 $self->clear; 2252 $self->clear;
1699 $self->in_memory (cf::MAP_SWAPPED);
1700} 2253}
1701 2254
1702sub reset_at { 2255sub reset_at {
1703 my ($self) = @_; 2256 my ($self) = @_;
1704 2257
1705 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1707 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1708 2260
1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2262 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711 2263
… …
1722 my ($self) = @_; 2274 my ($self) = @_;
1723 2275
1724 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1725 2277
1726 return if $self->players; 2278 return if $self->players;
1727 return if $self->isa ("ext::map_per_player");#d#
1728 2279
1729 warn "resetting map ", $self->path; 2280 warn "resetting map ", $self->path, "\n";
1730 2281
1731 $self->in_memory (cf::MAP_SWAPPED); 2282 $self->in_memory (cf::MAP_SWAPPED);
1732 2283
1733 # need to save uniques path 2284 # need to save uniques path
1734 unless ($self->{deny_save}) { 2285 unless ($self->{deny_save}) {
… …
1738 if $uniq; 2289 if $uniq;
1739 } 2290 }
1740 2291
1741 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1742 2293
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1743 $self->clear; 2296 $self->clear;
1744
1745 $_->clear_links_to ($self) for values %cf::MAP;
1746 2297
1747 $self->unlink_save; 2298 $self->unlink_save;
1748 $self->destroy; 2299 $self->destroy;
1749} 2300}
1750 2301
1751my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1752 2303
1753sub nuke { 2304sub nuke {
1754 my ($self) = @_; 2305 my ($self) = @_;
1755 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
1756 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1757 2311
1758 $self->unlink_save; 2312 $self->unlink_save;
1759 2313
1760 bless $self, "cf::map"; 2314 bless $self, "cf::map";
1761 delete $self->{deny_reset}; 2315 delete $self->{deny_reset};
1762 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1763 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765 2319
1766 $cf::MAP{$self->path} = $self; 2320 $cf::MAP{$self->path} = $self;
2321 }
1767 2322
1768 $self->reset; # polite request, might not happen 2323 $self->reset; # polite request, might not happen
2324}
2325
2326=item $maps = cf::map::tmp_maps
2327
2328Returns an arrayref with all map paths of currently instantiated and saved
2329maps. May block.
2330
2331=cut
2332
2333sub tmp_maps() {
2334 [
2335 map {
2336 utf8::decode $_;
2337 /\.map$/
2338 ? normalise $_
2339 : ()
2340 } @{ aio_readdir $TMPDIR or [] }
2341 ]
2342}
2343
2344=item $maps = cf::map::random_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347random maps. May block.
2348
2349=cut
2350
2351sub random_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise "?random/$_"
2357 : ()
2358 } @{ aio_readdir $RANDOMDIR or [] }
2359 ]
1769} 2360}
1770 2361
1771=item cf::map::unique_maps 2362=item cf::map::unique_maps
1772 2363
1773Returns an arrayref of paths of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1774instantiated unique items. May block. 2365instantiated unique items. May block.
1775 2366
1776=cut 2367=cut
1777 2368
1778sub unique_maps() { 2369sub unique_maps() {
1779 my $files = aio_readdir $UNIQUEDIR 2370 [
1780 or return; 2371 map {
1781
1782 my @paths;
1783
1784 for (@$files) {
1785 utf8::decode $_; 2372 utf8::decode $_;
1786 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1787 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788 2375 ? ()
1789 push @paths, cf::map::normalise $_; 2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
1790 } 2378 ]
1791
1792 \@paths
1793} 2379}
1794 2380
1795package cf; 2381=item cf::map::static_maps
2382
2383Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2384file in the shared directory excluding F</styles> and F</editor>). May
2385block.
2386
2387=cut
2388
2389sub static_maps() {
2390 my @dirs = "";
2391 my @maps;
2392
2393 while (@dirs) {
2394 my $dir = shift @dirs;
2395
2396 next if $dir eq "/styles" || $dir eq "/editor";
2397
2398 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2399 or return;
2400
2401 for (@$files) {
2402 s/\.map$// or next;
2403 utf8::decode $_;
2404 push @maps, "$dir/$_";
2405 }
2406
2407 push @dirs, map "$dir/$_", @$dirs;
2408 }
2409
2410 \@maps
2411}
1796 2412
1797=back 2413=back
1798 2414
1799=head3 cf::object 2415=head3 cf::object
1800 2416
… …
1804 2420
1805=over 4 2421=over 4
1806 2422
1807=item $ob->inv_recursive 2423=item $ob->inv_recursive
1808 2424
1809Returns the inventory of the object _and_ their inventories, recursively. 2425Returns the inventory of the object I<and> their inventories, recursively,
2426but I<not> the object itself.
1810 2427
1811=cut 2428=cut
1812 2429
1813sub inv_recursive_; 2430sub inv_recursive_;
1814sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1817 2434
1818sub inv_recursive { 2435sub inv_recursive {
1819 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1820} 2437}
1821 2438
2439=item $ref = $ob->ref
2440
2441Creates and returns a persistent reference to an object that can be stored as a string.
2442
2443=item $ob = cf::object::deref ($refstring)
2444
2445returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2446even if the object actually exists. May block.
2447
2448=cut
2449
2450sub deref {
2451 my ($ref) = @_;
2452
2453 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2454 my ($uuid, $name) = ($1, $2);
2455 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2456 or return;
2457 $pl->ob->uuid eq $uuid
2458 or return;
2459
2460 $pl->ob
2461 } else {
2462 warn "$ref: cannot resolve object reference\n";
2463 undef
2464 }
2465}
2466
1822package cf; 2467package cf;
1823 2468
1824=back 2469=back
1825 2470
1826=head3 cf::object::player 2471=head3 cf::object::player
… …
1832Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2477Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833can be C<undef>. Does the right thing when the player is currently in a 2478can be C<undef>. Does the right thing when the player is currently in a
1834dialogue with the given NPC character. 2479dialogue with the given NPC character.
1835 2480
1836=cut 2481=cut
2482
2483our $SAY_CHANNEL = {
2484 id => "say",
2485 title => "Map",
2486 reply => "say ",
2487 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2488};
2489
2490our $CHAT_CHANNEL = {
2491 id => "chat",
2492 title => "Chat",
2493 reply => "chat ",
2494 tooltip => "Player chat and shouts, global to the server.",
2495};
1837 2496
1838# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1839# with dialog boxes. 2498# with dialog boxes.
1840#TODO: the first argument must go, split into a $npc->reply_to ( method 2499#TODO: the first argument must go, split into a $npc->reply_to ( method
1841sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1843 2502
1844 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845 2504
1846 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1847 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1848 } else { 2508 } else {
2509 my $pl = $self->contr;
2510
2511 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2512 my $dialog = $pl->{npc_dialog};
2513 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2514
2515 } else {
1849 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1850 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1851 } 2519 }
2520}
2521
2522=item $object->send_msg ($channel, $msg, $color, [extra...])
2523
2524=cut
2525
2526sub cf::object::send_msg {
2527 my $pl = shift->contr
2528 or return;
2529 $pl->send_msg (@_);
1852} 2530}
1853 2531
1854=item $player_object->may ("access") 2532=item $player_object->may ("access")
1855 2533
1856Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1869 2547
1870=item $player_object->enter_link 2548=item $player_object->enter_link
1871 2549
1872Freezes the player and moves him/her to a special map (C<{link}>). 2550Freezes the player and moves him/her to a special map (C<{link}>).
1873 2551
1874The player should be reasonably safe there for short amounts of time. You 2552The player should be reasonably safe there for short amounts of time (e.g.
1875I<MUST> call C<leave_link> as soon as possible, though. 2553for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2554though, as the palyer cannot control the character while it is on the link
2555map.
1876 2556
1877Will never block. 2557Will never block.
1878 2558
1879=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1880 2560
… …
1932 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1933 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1934 2614
1935 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1936 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1937 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1938 2618
1939 $map->load; 2619 $map->load;
1940 $map->load_diag; 2620 $map->load_neighbours;
1941 2621
1942 return unless $self->contr->active; 2622 return unless $self->contr->active;
1943 $self->activate_recursive;
1944 2623
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946 $self->enter_map ($map, $x, $y); 2625 $self->enter_map ($map, $x, $y);
1947}
1948 2626
2627 # only activate afterwards, to support waiting in hooks
2628 $self->activate_recursive;
2629}
2630
1949=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950 2632
1951Moves the player to the given map-path and coordinates by first freezing 2633Moves the player to the given map-path and coordinates by first freezing
1952her, loading and preparing them map, calling the provided $check callback 2634her, loading and preparing them map, calling the provided $check callback
1953that has to return the map if sucecssful, and then unfreezes the player on 2635that has to return the map if sucecssful, and then unfreezes the player on
1954the new (success) or old (failed) map position. 2636the new (success) or old (failed) map position. In either case, $done will
2637be called at the end of this process.
2638
2639Note that $check will be called with a potentially non-loaded map, so if
2640it needs a loaded map it has to call C<< ->load >>.
1955 2641
1956=cut 2642=cut
1957 2643
1958our $GOTOGEN; 2644our $GOTOGEN;
1959 2645
1960sub cf::object::player::goto { 2646sub cf::object::player::goto {
1961 my ($self, $path, $x, $y, $check) = @_; 2647 my ($self, $path, $x, $y, $check, $done) = @_;
1962 2648
1963 # do generation counting so two concurrent goto's will be executed in-order 2649 # do generation counting so two concurrent goto's will be executed in-order
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2650 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965 2651
1966 $self->enter_link; 2652 $self->enter_link;
1967 2653
1968 (async { 2654 (async {
2655 $Coro::current->{desc} = "player::goto $path $x $y";
2656
2657 # *tag paths override both path and x|y
2658 if ($path =~ /^\*(.*)$/) {
2659 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2660 my $ob = $obs[rand @obs];
2661
2662 # see if we actually can go there
2663 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2664 $ob = $obs[rand @obs];
2665 } else {
2666 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2667 }
2668 # else put us there anyways for now #d#
2669
2670 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2671 } else {
2672 ($path, $x, $y) = (undef, undef, undef);
2673 }
2674 }
2675
1969 my $map = eval { 2676 my $map = eval {
1970 my $map = cf::map::find $path; 2677 my $map = defined $path ? cf::map::find $path : undef;
1971 2678
1972 if ($map) { 2679 if ($map) {
1973 $map = $map->customise_for ($self); 2680 $map = $map->customise_for ($self);
1974 $map = $check->($map) if $check && $map; 2681 $map = $check->($map) if $check && $map;
1975 } else { 2682 } else {
1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2683 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977 } 2684 }
1978 2685
1979 $map 2686 $map
1980 }; 2687 };
1981 2688
… …
1986 2693
1987 if ($gen == $self->{_goto_generation}) { 2694 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation}; 2695 delete $self->{_goto_generation};
1989 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
1990 } 2697 }
2698
2699 $done->() if $done;
1991 })->prio (1); 2700 })->prio (1);
1992} 2701}
1993 2702
1994=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1995 2704
… …
2015} 2724}
2016 2725
2017sub prepare_random_map { 2726sub prepare_random_map {
2018 my ($exit) = @_; 2727 my ($exit) = @_;
2019 2728
2020 my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022 # all this does is basically replace the /! path by 2729 # all this does is basically replace the /! path by
2023 # a new random map path (?random/...) with a seed 2730 # a new random map path (?random/...) with a seed
2024 # that depends on the exit object 2731 # that depends on the exit object
2025 2732
2026 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
… …
2028 if ($exit->map) { 2735 if ($exit->map) {
2029 $rmp->{region} = $exit->region->name; 2736 $rmp->{region} = $exit->region->name;
2030 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
2031 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
2032 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
2033 } 2742 }
2034 2743
2035 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
2036 2745
2037 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta"; 2748 my $meta = "$RANDOMDIR/$md5.meta";
2040 2749
2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
2043 undef $fh; 2752 undef $fh;
2044 aio_rename "$meta~", $meta; 2753 aio_rename "$meta~", $meta;
2045 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
2046 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
2047 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
2048 } 2761 }
2049} 2762}
2050 2763
2051sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
2052 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
2053 2766
2054 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
2055 2768
2056 if ($exit->slaying eq "/!") {
2057 #TODO: this should de-fi-ni-te-ly not be a sync-job
2058 # the problem is that $exit might not survive long enough
2059 # so it needs to be done right now, right here
2060 cf::sync_job { prepare_random_map $exit };
2061 }
2062
2063 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp;
2066
2067 $self->enter_link; 2769 $self->enter_link;
2068 2770
2069 (async { 2771 (async {
2070 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
2071 unless (eval { 2774 unless (eval {
2775 $self->deactivate_recursive; # just to be sure
2776
2777 # random map handling
2778 {
2779 my $guard = cf::lock_acquire "exit_prepare:$exit";
2780
2781 prepare_random_map $exit
2782 if $exit->slaying eq "/!";
2783 }
2784
2785 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2786 my $x = $exit->stats->hp;
2787 my $y = $exit->stats->sp;
2788
2072 $self->goto ($slaying, $hp, $sp); 2789 $self->goto ($map, $x, $y);
2073 2790
2791 # if exit is damned, update players death & WoR home-position
2792 $self->contr->savebed ($map, $x, $y)
2793 if $exit->flag (cf::FLAG_DAMNED);
2794
2074 1; 2795 1
2075 }) { 2796 }) {
2076 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
2077 . "I'll try to bring you back to the map you were before. " 2798 . "I'll try to bring you back to the map you were before. "
2078 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
2079 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
2080 2801
2081 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
… …
2100 2821
2101 utf8::encode $text; 2822 utf8::encode $text;
2102 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103} 2824}
2104 2825
2826=item $client->send_big_packet ($pkt)
2827
2828Like C<send_packet>, but tries to compress large packets, and fragments
2829them as required.
2830
2831=cut
2832
2833our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2834
2835sub cf::client::send_big_packet {
2836 my ($self, $pkt) = @_;
2837
2838 # try lzf for large packets
2839 $pkt = "lzf " . Compress::LZF::compress $pkt
2840 if 1024 <= length $pkt and $self->{can_lzf};
2841
2842 # split very large packets
2843 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2844 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2845 $pkt = "frag";
2846 }
2847
2848 $self->send_packet ($pkt);
2849}
2850
2851=item $client->send_msg ($channel, $msg, $color, [extra...])
2852
2853Send a drawinfo or msg packet to the client, formatting the msg for the
2854client if neccessary. C<$type> should be a string identifying the type of
2855the message, with C<log> being the default. If C<$color> is negative, suppress
2856the message unless the client supports the msg packet.
2857
2858=cut
2859
2860# non-persistent channels (usually the info channel)
2861our %CHANNEL = (
2862 "c/motd" => {
2863 id => "infobox",
2864 title => "MOTD",
2865 reply => undef,
2866 tooltip => "The message of the day",
2867 },
2868 "c/identify" => {
2869 id => "infobox",
2870 title => "Identify",
2871 reply => undef,
2872 tooltip => "Items recently identified",
2873 },
2874 "c/examine" => {
2875 id => "infobox",
2876 title => "Examine",
2877 reply => undef,
2878 tooltip => "Signs and other items you examined",
2879 },
2880 "c/shopinfo" => {
2881 id => "infobox",
2882 title => "Shop Info",
2883 reply => undef,
2884 tooltip => "What your bargaining skill tells you about the shop",
2885 },
2886 "c/book" => {
2887 id => "infobox",
2888 title => "Book",
2889 reply => undef,
2890 tooltip => "The contents of a note or book",
2891 },
2892 "c/lookat" => {
2893 id => "infobox",
2894 title => "Look",
2895 reply => undef,
2896 tooltip => "What you saw there",
2897 },
2898 "c/who" => {
2899 id => "infobox",
2900 title => "Players",
2901 reply => undef,
2902 tooltip => "Shows players who are currently online",
2903 },
2904 "c/body" => {
2905 id => "infobox",
2906 title => "Body Parts",
2907 reply => undef,
2908 tooltip => "Shows which body parts you posess and are available",
2909 },
2910 "c/statistics" => {
2911 id => "infobox",
2912 title => "Statistics",
2913 reply => undef,
2914 tooltip => "Shows your primary statistics",
2915 },
2916 "c/skills" => {
2917 id => "infobox",
2918 title => "Skills",
2919 reply => undef,
2920 tooltip => "Shows your experience per skill and item power",
2921 },
2922 "c/shopitems" => {
2923 id => "infobox",
2924 title => "Shop Items",
2925 reply => undef,
2926 tooltip => "Shows the items currently for sale in this shop",
2927 },
2928 "c/resistances" => {
2929 id => "infobox",
2930 title => "Resistances",
2931 reply => undef,
2932 tooltip => "Shows your resistances",
2933 },
2934 "c/pets" => {
2935 id => "infobox",
2936 title => "Pets",
2937 reply => undef,
2938 tooltip => "Shows information abotu your pets/a specific pet",
2939 },
2940 "c/perceiveself" => {
2941 id => "infobox",
2942 title => "Perceive Self",
2943 reply => undef,
2944 tooltip => "You gained detailed knowledge about yourself",
2945 },
2946 "c/uptime" => {
2947 id => "infobox",
2948 title => "Uptime",
2949 reply => undef,
2950 tooltip => "How long the server has been running since last restart",
2951 },
2952 "c/mapinfo" => {
2953 id => "infobox",
2954 title => "Map Info",
2955 reply => undef,
2956 tooltip => "Information related to the maps",
2957 },
2958 "c/party" => {
2959 id => "party",
2960 title => "Party",
2961 reply => "gsay ",
2962 tooltip => "Messages and chat related to your party",
2963 },
2964 "c/death" => {
2965 id => "death",
2966 title => "Death",
2967 reply => undef,
2968 tooltip => "Reason for and more info about your most recent death",
2969 },
2970 "c/say" => $SAY_CHANNEL,
2971 "c/chat" => $CHAT_CHANNEL,
2972);
2973
2974sub cf::client::send_msg {
2975 my ($self, $channel, $msg, $color, @extra) = @_;
2976
2977 $msg = $self->pl->expand_cfpod ($msg)
2978 unless $color & cf::NDI_VERBATIM;
2979
2980 $color &= cf::NDI_CLIENT_MASK; # just in case...
2981
2982 # check predefined channels, for the benefit of C
2983 if ($CHANNEL{$channel}) {
2984 $channel = $CHANNEL{$channel};
2985
2986 $self->ext_msg (channel_info => $channel);
2987 $channel = $channel->{id};
2988
2989 } elsif (ref $channel) {
2990 # send meta info to client, if not yet sent
2991 unless (exists $self->{channel}{$channel->{id}}) {
2992 $self->{channel}{$channel->{id}} = $channel;
2993 $self->ext_msg (channel_info => $channel);
2994 }
2995
2996 $channel = $channel->{id};
2997 }
2998
2999 return unless @extra || length $msg;
3000
3001 # default colour, mask it out
3002 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3003 if $color & cf::NDI_DEF;
3004
3005 my $pkt = "msg "
3006 . $self->{json_coder}->encode (
3007 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3008 );
3009
3010 $self->send_big_packet ($pkt);
3011}
3012
2105=item $client->ext_event ($type, %msg) 3013=item $client->ext_msg ($type, @msg)
2106 3014
2107Sends an exti event to the client. 3015Sends an ext event to the client.
2108 3016
2109=cut 3017=cut
2110 3018
2111sub cf::client::ext_event($$%) { 3019sub cf::client::ext_msg($$@) {
2112 my ($self, $type, %msg) = @_; 3020 my ($self, $type, @msg) = @_;
2113 3021
3022 if ($self->extcmd == 2) {
3023 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3024 } elsif ($self->extcmd == 1) { # TODO: remove
2114 $msg{msgtype} = "event_$type"; 3025 push @msg, msgtype => "event_$type";
2115 $self->send_packet ("ext " . cf::to_json \%msg); 3026 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3027 }
3028}
3029
3030=item $client->ext_reply ($msgid, @msg)
3031
3032Sends an ext reply to the client.
3033
3034=cut
3035
3036sub cf::client::ext_reply($$@) {
3037 my ($self, $id, @msg) = @_;
3038
3039 if ($self->extcmd == 2) {
3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3041 } elsif ($self->extcmd == 1) {
3042 #TODO: version 1, remove
3043 unshift @msg, msgtype => "reply", msgid => $id;
3044 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3045 }
2116} 3046}
2117 3047
2118=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
2119 3049
2120Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
2121the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3051the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3052C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123 3053
2124Queries can fail, so check the return code. Or don't, as queries will become 3054Queries can fail, so check the return code. Or don't, as queries will
2125reliable at some point in the future. 3055become reliable at some point in the future.
2126 3056
2127=cut 3057=cut
2128 3058
2129sub cf::client::query { 3059sub cf::client::query {
2130 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
2138 utf8::encode $text; 3068 utf8::encode $text;
2139 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140 3070
2141 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
2142 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
2143} 3075}
2144 3076
2145cf::client->attach ( 3077cf::client->attach (
3078 on_connect => sub {
3079 my ($ns) = @_;
3080
3081 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3082 },
2146 on_reply => sub { 3083 on_reply => sub {
2147 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
2148 3085
2149 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
2150 # get handled first 3087 # get handled first
… …
2162 } else { 3099 } else {
2163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164 } 3101 }
2165 } 3102 }
2166 }, 3103 },
3104 on_exticmd => sub {
3105 my ($ns, $buf) = @_;
3106
3107 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3108
3109 if (ref $msg) {
3110 my ($type, $reply, @payload) =
3111 "ARRAY" eq ref $msg
3112 ? @$msg
3113 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3114
3115 my @reply;
3116
3117 if (my $cb = $EXTICMD{$type}) {
3118 @reply = $cb->($ns, @payload);
3119 }
3120
3121 $ns->ext_reply ($reply, @reply)
3122 if $reply;
3123
3124 } else {
3125 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3126 }
3127
3128 cf::override;
3129 },
2167); 3130);
2168 3131
2169=item $client->async (\&cb) 3132=item $client->async (\&cb)
2170 3133
2171Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
2187 3150
2188 $coro 3151 $coro
2189} 3152}
2190 3153
2191cf::client->attach ( 3154cf::client->attach (
2192 on_destroy => sub { 3155 on_client_destroy => sub {
2193 my ($ns) = @_; 3156 my ($ns) = @_;
2194 3157
2195 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196 }, 3159 },
2197); 3160);
… …
2212our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2213our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2214 3177
2215$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2216 3179
2217$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3180$safe->permit_only (Opcode::opset qw(
3181 :base_core :base_mem :base_orig :base_math :base_loop
3182 grepstart grepwhile mapstart mapwhile
3183 sort time
3184));
2218 3185
2219# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2220 3187
2221=pod 3188=pod
2222 3189
2223The following functions and methods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2224 3191
2225 cf::object contr pay_amount pay_player map 3192 cf::object
3193 contr pay_amount pay_player map x y force_find force_add destroy
3194 insert remove name archname title slaying race decrease split
3195 value
3196
2226 cf::object::player player 3197 cf::object::player
2227 cf::player peaceful 3198 player
2228 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2229 3205
2230=cut 3206=cut
2231 3207
2232for ( 3208for (
2233 ["cf::object" => qw(contr pay_amount pay_player map)], 3209 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3210 insert remove inv nrof name archname title slaying race
3211 decrease split destroy change_exp value msg lore send_msg)],
2234 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2235 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2236 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2237) { 3215) {
2238 no strict 'refs'; 3216 no strict 'refs';
2239 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2240 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2258 3236
2259 my $qcode = $code; 3237 my $qcode = $code;
2260 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2261 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2262 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2263 local $_; 3244 local $_;
2264 local @safe::cf::_safe_eval_args = values %vars;
2265 3245
2266 my $eval = 3246 my $eval =
2267 "do {\n" 3247 "do {\n"
2268 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2270 . $code 3250 . $code
2271 . "\n}" 3251 . "\n}"
2272 ; 3252 ;
2273 3253
3254 if ($CFG{safe_eval}) {
2274 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2275 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276 sub_generation_inc; 3258 sub_generation_inc;
3259 } else {
3260 local @cf::_safe_eval_args = values %vars;
3261 @res = wantarray ? eval eval : scalar eval $eval;
3262 }
2277 3263
2278 if ($@) { 3264 if ($@) {
2279 warn "$@"; 3265 warn "$@";
2280 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2281 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2300=cut 3286=cut
2301 3287
2302sub register_script_function { 3288sub register_script_function {
2303 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2304 3290
2305 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2306 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2307} 3293}
2308 3294
2309=back 3295=back
2310 3296
2311=cut 3297=cut
2312
2313#############################################################################
2314
2315=head2 EXTENSION DATABASE SUPPORT
2316
2317Crossfire maintains a very simple database for extension use. It can
2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319convert to/from binary).
2320
2321The parameter C<$family> should best start with the name of the extension
2322using it, it should be unique.
2323
2324=over 4
2325
2326=item $value = cf::db_get $family => $key
2327
2328Returns a single value from the database.
2329
2330=item cf::db_put $family => $key => $value
2331
2332Stores the given C<$value> in the family.
2333
2334=cut
2335
2336our $DB;
2337
2338sub db_init {
2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2341
2342 cf::sync_job {
2343 eval {
2344 $DB->set_flags (BDB::CHKSUM);
2345
2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348 cf::cleanup "db_open(db): $!" if $!;
2349 };
2350 cf::cleanup "db_open(db): $@" if $@;
2351 };
2352 }
2353}
2354
2355sub db_get($$) {
2356 my $key = "$_[0]/$_[1]";
2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2366sub db_put($$$) {
2367 BDB::dbreq_pri 4;
2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369}
2370
2371=item cf::cache $id => [$paths...], $processversion => $process
2372
2373Generic caching function that returns the value of the resource $id,
2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2403 }
2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2483}
2484 3298
2485############################################################################# 3299#############################################################################
2486# the server's init and main functions 3300# the server's init and main functions
2487 3301
2488sub load_facedata($) { 3302sub load_facedata($) {
2489 my ($path) = @_; 3303 my ($path) = @_;
3304
3305 # HACK to clear player env face cache, we need some signal framework
3306 # for this (global event?)
3307 %ext::player_env::MUSIC_FACE_CACHE = ();
3308
3309 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490 3310
2491 warn "loading facedata from $path\n"; 3311 warn "loading facedata from $path\n";
2492 3312
2493 my $facedata; 3313 my $facedata;
2494 0 < aio_load $path, $facedata 3314 0 < aio_load $path, $facedata
… …
2497 $facedata = Coro::Storable::thaw $facedata; 3317 $facedata = Coro::Storable::thaw $facedata;
2498 3318
2499 $facedata->{version} == 2 3319 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed."; 3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501 3321
3322 # patch in the exptable
3323 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3324 $facedata->{resource}{"res/exp_table"} = {
3325 type => FT_RSRC,
3326 data => $exp_table,
3327 hash => (Digest::MD5::md5 $exp_table),
3328 };
3329 cf::cede_to_tick;
3330
2502 { 3331 {
2503 my $faces = $facedata->{faceinfo}; 3332 my $faces = $facedata->{faceinfo};
2504 3333
2505 while (my ($face, $info) = each %$faces) { 3334 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3336
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3337 cf::face::set_visibility $idx, $info->{visibility};
3338 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510 Coro::cede; 3341
3342 cf::cede_to_tick;
2511 } 3343 }
2512 3344
2513 while (my ($face, $info) = each %$faces) { 3345 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3346 next unless $info->{smooth};
3347
2515 my $idx = cf::face::find $face 3348 my $idx = cf::face::find $face
2516 or next; 3349 or next;
3350
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3351 if (my $smooth = cf::face::find $info->{smooth}) {
3352 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3354 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3356 }
2522 Coro::cede; 3357
3358 cf::cede_to_tick;
2523 } 3359 }
2524 } 3360 }
2525 3361
2526 { 3362 {
2527 my $anims = $facedata->{animinfo}; 3363 my $anims = $facedata->{animinfo};
2528 3364
2529 while (my ($anim, $info) = each %$anims) { 3365 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3366 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3367 cf::cede_to_tick;
2532 } 3368 }
2533 3369
2534 cf::anim::invalidate_all; # d'oh 3370 cf::anim::invalidate_all; # d'oh
2535 } 3371 }
2536 3372
3373 {
3374 my $res = $facedata->{resource};
3375
3376 while (my ($name, $info) = each %$res) {
3377 if (defined $info->{type}) {
3378 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3379
3380 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3381 cf::face::set_type $idx, $info->{type};
3382 } else {
3383 $RESOURCE{$name} = $info;
3384 }
3385
3386 cf::cede_to_tick;
3387 }
3388 }
3389
3390 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3391
2537 1 3392 1
2538} 3393}
2539 3394
3395cf::global->attach (on_resource_update => sub {
3396 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3397 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3398
3399 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3400 my $sound = $soundconf->{compat}[$_]
3401 or next;
3402
3403 my $face = cf::face::find "sound/$sound->[1]";
3404 cf::sound::set $sound->[0] => $face;
3405 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3406 }
3407
3408 while (my ($k, $v) = each %{$soundconf->{event}}) {
3409 my $face = cf::face::find "sound/$v";
3410 cf::sound::set $k => $face;
3411 }
3412 }
3413});
3414
3415register_exticmd fx_want => sub {
3416 my ($ns, $want) = @_;
3417
3418 while (my ($k, $v) = each %$want) {
3419 $ns->fx_want ($k, $v);
3420 }
3421};
3422
3423sub load_resource_file($) {
3424 my $guard = lock_acquire "load_resource_file";
3425
3426 my $status = load_resource_file_ $_[0];
3427 get_slot 0.1, 100;
3428 cf::arch::commit_load;
3429
3430 $status
3431}
3432
2540sub reload_regions { 3433sub reload_regions {
3434 # HACK to clear player env face cache, we need some signal framework
3435 # for this (global event?)
3436 %ext::player_env::MUSIC_FACE_CACHE = ();
3437
2541 load_resource_file "$MAPDIR/regions" 3438 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3439 or die "unable to load regions file\n";
3440
3441 for (cf::region::list) {
3442 $_->{match} = qr/$_->{match}/
3443 if exists $_->{match};
3444 }
2543} 3445}
2544 3446
2545sub reload_facedata { 3447sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3448 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3449 or die "unable to load facedata\n";
… …
2558} 3460}
2559 3461
2560sub reload_resources { 3462sub reload_resources {
2561 warn "reloading resource files...\n"; 3463 warn "reloading resource files...\n";
2562 3464
3465 reload_facedata;
3466 reload_archetypes;
2563 reload_regions; 3467 reload_regions;
2564 reload_facedata;
2565 #reload_archetypes;#d#
2566 reload_archetypes;
2567 reload_treasures; 3468 reload_treasures;
2568 3469
2569 warn "finished reloading resource files\n"; 3470 warn "finished reloading resource files\n";
2570} 3471}
2571 3472
2572sub init { 3473sub reload_config {
2573 reload_resources; 3474 warn "reloading config file...\n";
2574}
2575 3475
2576sub cfg_load {
2577 open my $fh, "<:utf8", "$CONFDIR/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2578 or return; 3477 or return;
2579 3478
2580 local $/; 3479 local $/;
2581 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2582 3481
2583 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584 3483
2585 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3484 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2586 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3485 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2590 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2591 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2592 }; 3491 };
2593 warn $@ if $@; 3492 warn $@ if $@;
2594 } 3493 }
3494
3495 warn "finished reloading resource files\n";
3496}
3497
3498sub pidfile() {
3499 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3500 or die "$PIDFILE: $!";
3501 flock $fh, &Fcntl::LOCK_EX
3502 or die "$PIDFILE: flock: $!";
3503 $fh
3504}
3505
3506# make sure only one server instance is running at any one time
3507sub atomic {
3508 my $fh = pidfile;
3509
3510 my $pid = <$fh>;
3511 kill 9, $pid if $pid > 0;
3512
3513 seek $fh, 0, 0;
3514 print $fh $$;
3515}
3516
3517sub main_loop {
3518 warn "EV::loop starting\n";
3519 if (1) {
3520 EV::loop;
3521 }
3522 warn "EV::loop returned\n";
3523 goto &main_loop unless $REALLY_UNLOOP;
2595} 3524}
2596 3525
2597sub main { 3526sub main {
3527 cf::init_globals; # initialise logging
3528
3529 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3530 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3531 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3532 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3533
3534 cf::init_experience;
3535 cf::init_anim;
3536 cf::init_attackmess;
3537 cf::init_dynamic;
3538
3539 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3540
2598 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2599 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2600 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3543 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2601 (async { 3544 (async {
2602 Event::one_event; 3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
2603 })->prio (Coro::PRIO_MAX); 3547 })->prio (Coro::PRIO_MAX);
2604 }; 3548 };
2605 3549
2606 cfg_load; 3550 evthread_start IO::AIO::poll_fileno;
3551
3552 cf::sync_job {
3553 cf::load_settings;
3554 cf::load_materials;
3555
3556 reload_resources;
3557 reload_config;
2607 db_init; 3558 db_init;
3559
3560 cf::init_uuid;
3561 cf::init_signals;
3562 cf::init_skills;
3563
3564 cf::init_beforeplay;
3565
3566 atomic;
3567
2608 load_extensions; 3568 load_extensions;
2609 3569
2610 $TICK_WATCHER->start; 3570 utime time, time, $RUNTIMEFILE;
2611 Event::loop; 3571
3572 # no (long-running) fork's whatsoever before this point(!)
3573 use POSIX ();
3574 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3575
3576 (pop @POST_INIT)->(0) while @POST_INIT;
3577 };
3578
3579 main_loop;
2612} 3580}
2613 3581
2614############################################################################# 3582#############################################################################
2615# initialisation and cleanup 3583# initialisation and cleanup
2616 3584
2617# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2618BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2619 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2620 Event->signal ( 3589 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2621 reentrant => 0,
2622 data => WF_AUTOCANCEL,
2623 signal => $signal,
2624 prio => 0,
2625 cb => sub {
2626 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2627 },
2628 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = EV::time;
3597
3598 # first touch the runtime file to show we are still running:
3599 # the fsync below can take a very very long time.
3600
3601 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3602
3603 my $guard = cf::lock_acquire "write_runtime";
3604
3605 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3606 or return;
3607
3608 my $value = $cf::RUNTIME + 90 + 10;
3609 # 10 is the runtime save interval, for a monotonic clock
3610 # 60 allows for the watchdog to kill the server.
3611
3612 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3613 and return;
3614
3615 # always fsync - this file is important
3616 aio_fsync $fh
3617 and return;
3618
3619 # touch it again to show we are up-to-date
3620 aio_utime $fh, undef, undef;
3621
3622 close $fh
3623 or return;
3624
3625 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3626 and return;
3627
3628 warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3629
2629 } 3630 1
3631}
3632
3633our $uuid_lock;
3634our $uuid_skip;
3635
3636sub write_uuid_sync($) {
3637 $uuid_skip ||= $_[0];
3638
3639 return if $uuid_lock;
3640 local $uuid_lock = 1;
3641
3642 my $uuid = "$LOCALDIR/uuid";
3643
3644 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3645 or return;
3646
3647 my $value = uuid_seq uuid_cur;
3648
3649 unless ($value) {
3650 warn "cowardly refusing to write zero uuid value!\n";
3651 return;
3652 }
3653
3654 my $value = uuid_str $value + $uuid_skip;
3655 $uuid_skip = 0;
3656
3657 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3658 and return;
3659
3660 # always fsync - this file is important
3661 aio_fsync $fh
3662 and return;
3663
3664 close $fh
3665 or return;
3666
3667 aio_rename "$uuid~", $uuid
3668 and return;
3669
3670 warn "uuid file written ($value).\n";
3671
3672 1
3673
3674}
3675
3676sub write_uuid($$) {
3677 my ($skip, $sync) = @_;
3678
3679 $sync ? write_uuid_sync $skip
3680 : async { write_uuid_sync $skip };
2630} 3681}
2631 3682
2632sub emergency_save() { 3683sub emergency_save() {
2633 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2634 3685
2635 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2636 3687
2637 cf::sync_job { 3688 cf::sync_job {
3689 # this is a trade-off: we want to be very quick here, so
3690 # save all maps without fsync, and later call a global sync
3691 # (which in turn might be very very slow)
3692 local $USE_FSYNC = 0;
3693
2638 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2639 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2640 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2641 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2642 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2643 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2644 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645 $pl->save; 3702 $pl->save;
2646 } 3703 }
2647 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2648 3705
2649 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2650 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2651 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2652 $map->valid or next; 3709 $map->valid or next;
2653 $map->save; 3710 $map->save;
2654 } 3711 }
2655 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
2656 3713
2657 warn "begin emergency database checkpoint\n"; 3714 warn "emergency_perl_save: begin database checkpoint\n";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3715 BDB::db_env_txn_checkpoint $DB_ENV;
2659 warn "end emergency database checkpoint\n"; 3716 warn "emergency_perl_save: end database checkpoint\n";
3717
3718 warn "emergency_perl_save: begin write uuid\n";
3719 write_uuid_sync 1;
3720 warn "emergency_perl_save: end write uuid\n";
2660 }; 3721 };
2661 3722
3723 warn "emergency_perl_save: starting sync()\n";
3724 IO::AIO::aio_sync sub {
3725 warn "emergency_perl_save: finished sync()\n";
3726 };
3727
2662 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2663} 3729}
2664 3730
2665sub post_cleanup { 3731sub post_cleanup {
2666 my ($make_core) = @_; 3732 my ($make_core) = @_;
2667 3733
2668 warn Carp::longmess "post_cleanup backtrace" 3734 warn Carp::longmess "post_cleanup backtrace"
2669 if $make_core; 3735 if $make_core;
3736
3737 my $fh = pidfile;
3738 unlink $PIDFILE if <$fh> == $$;
3739}
3740
3741# a safer delete_package, copied from Symbol
3742sub clear_package($) {
3743 my $pkg = shift;
3744
3745 # expand to full symbol table name if needed
3746 unless ($pkg =~ /^main::.*::$/) {
3747 $pkg = "main$pkg" if $pkg =~ /^::/;
3748 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3749 $pkg .= '::' unless $pkg =~ /::$/;
3750 }
3751
3752 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3753 my $stem_symtab = *{$stem}{HASH};
3754
3755 defined $stem_symtab and exists $stem_symtab->{$leaf}
3756 or return;
3757
3758 # clear all symbols
3759 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3760 for my $name (keys %$leaf_symtab) {
3761 _gv_clear *{"$pkg$name"};
3762# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3763 }
3764 warn "cleared package $pkg\n";#d#
2670} 3765}
2671 3766
2672sub do_reload_perl() { 3767sub do_reload_perl() {
2673 # can/must only be called in main 3768 # can/must only be called in main
2674 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2675 warn "can only reload from main coroutine"; 3770 warn "can only reload from main coroutine";
2676 return; 3771 return;
2677 } 3772 }
2678 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = EV::time;
3777
3778 while ($RELOAD) {
2679 warn "reloading..."; 3779 warn "reloading...";
2680 3780
2681 warn "entering sync_job"; 3781 warn "entering sync_job";
2682 3782
2683 cf::sync_job { 3783 cf::sync_job {
2684 cf::write_runtime; # external watchdog should not bark 3784 cf::write_runtime_sync; # external watchdog should not bark
2685 cf::emergency_save; 3785 cf::emergency_save;
2686 cf::write_runtime; # external watchdog should not bark 3786 cf::write_runtime_sync; # external watchdog should not bark
2687 3787
2688 warn "syncing database to disk"; 3788 warn "syncing database to disk";
2689 BDB::db_env_txn_checkpoint $DB_ENV; 3789 BDB::db_env_txn_checkpoint $DB_ENV;
2690 3790
2691 # if anything goes wrong in here, we should simply crash as we already saved 3791 # if anything goes wrong in here, we should simply crash as we already saved
2692 3792
2693 warn "cancelling all WF_AUTOCANCEL watchers";
2694 for (Event::all_watchers) {
2695 $_->cancel if $_->data & WF_AUTOCANCEL;
2696 }
2697
2698 warn "flushing outstanding aio requests"; 3793 warn "flushing outstanding aio requests";
2699 for (;;) {
2700 BDB::flush;
2701 IO::AIO::flush;
2702 Coro::cede;
2703 last unless IO::AIO::nreqs || BDB::nreqs; 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2704 warn "iterate..."; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2705 }
2706
2707 ++$RELOAD;
2708
2709 warn "cancelling all extension coros";
2710 $_->cancel for values %EXT_CORO;
2711 %EXT_CORO = ();
2712
2713 warn "removing commands";
2714 %COMMAND = ();
2715
2716 warn "removing ext commands";
2717 %EXTCMD = ();
2718
2719 warn "unloading/nuking all extensions";
2720 for my $pkg (@EXTS) {
2721 warn "... unloading $pkg";
2722
2723 if (my $cb = $pkg->can ("unload")) {
2724 eval {
2725 $cb->($pkg);
2726 1
2727 } or warn "$pkg unloaded, but with errors: $@";
2728 } 3796 }
2729 3797
2730 warn "... nuking $pkg"; 3798 warn "cancelling all extension coros";
2731 Symbol::delete_package $pkg; 3799 $_->cancel for values %EXT_CORO;
2732 } 3800 %EXT_CORO = ();
2733 3801
2734 warn "unloading all perl modules loaded from $LIBDIR"; 3802 warn "removing commands";
2735 while (my ($k, $v) = each %INC) { 3803 %COMMAND = ();
2736 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2737 3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2738 warn "... unloading $k"; 3811 warn "... unloading $pkg";
2739 delete $INC{$k};
2740 3812
2741 $k =~ s/\.pm$//;
2742 $k =~ s/\//::/g;
2743
2744 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2745 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2746 } 3822 }
2747 3823
2748 Symbol::delete_package $k; 3824 warn "unloading all perl modules loaded from $LIBDIR";
3825 while (my ($k, $v) = each %INC) {
3826 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3827
3828 warn "... unloading $k";
3829 delete $INC{$k};
3830
3831 $k =~ s/\.pm$//;
3832 $k =~ s/\//::/g;
3833
3834 if (my $cb = $k->can ("unload_module")) {
3835 $cb->();
3836 }
3837
3838 clear_package $k;
2749 } 3839 }
2750 3840
2751 warn "getting rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2752 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2753 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3843 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2754 3844
2755 warn "unloading cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2756 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
2757 delete $INC{"cf/pod.pm"}; 3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2758 3848
2759 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2760 # and global variables created in xs 3850 # and global variables created in xs
2761 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2762 3852
2763 warn "unload completed, starting to reload now"; 3853 warn "unload completed, starting to reload now";
2764 3854
2765 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2766 require cf; 3856 require cf;
2767 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2768 3858
2769 warn "loading config and database again"; 3859 warn "loading config and database again";
2770 cf::cfg_load; 3860 cf::reload_config;
2771 3861
2772 warn "loading extensions"; 3862 warn "loading extensions";
2773 cf::load_extensions; 3863 cf::load_extensions;
2774 3864
3865 if ($REATTACH_ON_RELOAD) {
2775 warn "reattaching attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2776 _global_reattach; # objects, sockets 3867 _global_reattach; # objects, sockets
2777 warn "reattaching attachments to maps"; 3868 warn "reattaching attachments to maps";
2778 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
2779 warn "reattaching attachments to players"; 3870 warn "reattaching attachments to players";
2780 reattach $_ for values %PLAYER; 3871 reattach $_ for values %PLAYER;
3872 }
2781 3873
3874 warn "running post_init jobs";
3875 (pop @POST_INIT)->(1) while @POST_INIT;
3876
2782 warn "leaving sync_job"; 3877 warn "leaving sync_job";
2783 3878
2784 1 3879 1
2785 } or do { 3880 } or do {
2786 warn $@; 3881 warn $@;
2787 warn "error while reloading, exiting."; 3882 cf::cleanup "error while reloading, exiting.";
2788 exit 1;
2789 }; 3883 };
2790 3884
2791 warn "reloaded"; 3885 warn "reloaded";
3886 --$RELOAD;
3887 }
3888
3889 $t1 = EV::time - $t1;
3890 warn "reload completed in ${t1}s\n";
2792}; 3891};
2793 3892
2794our $RELOAD_WATCHER; # used only during reload 3893our $RELOAD_WATCHER; # used only during reload
2795 3894
2796sub reload_perl() { 3895sub reload_perl() {
2797 # doing reload synchronously and two reloads happen back-to-back, 3896 # doing reload synchronously and two reloads happen back-to-back,
2798 # coro crashes during coro_state_free->destroy here. 3897 # coro crashes during coro_state_free->destroy here.
2799 3898
2800 $RELOAD_WATCHER ||= Event->timer ( 3899 $RELOAD_WATCHER ||= cf::async {
2801 reentrant => 0, 3900 Coro::AIO::aio_wait cache_extensions;
2802 after => 0, 3901
2803 data => WF_AUTOCANCEL, 3902 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2804 cb => sub {
2805 do_reload_perl; 3903 do_reload_perl;
2806 undef $RELOAD_WATCHER; 3904 undef $RELOAD_WATCHER;
2807 }, 3905 };
2808 ); 3906 };
2809} 3907}
2810 3908
2811register_command "reload" => sub { 3909register_command "reload" => sub {
2812 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2813 3911
2814 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2815 $who->message ("reloading server."); 3913 $who->message ("reloading server.");
3914 async {
3915 $Coro::current->{desc} = "perl_reload";
2816 async { reload_perl }; 3916 reload_perl;
3917 };
2817 } 3918 }
2818}; 3919};
2819 3920
2820unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2821 3922
… …
2823 3924
2824our @WAIT_FOR_TICK; 3925our @WAIT_FOR_TICK;
2825our @WAIT_FOR_TICK_BEGIN; 3926our @WAIT_FOR_TICK_BEGIN;
2826 3927
2827sub wait_for_tick { 3928sub wait_for_tick {
2828 return unless $TICK_WATCHER->is_active;
2829 return if $Coro::current == $Coro::main; 3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2830 3930
2831 my $signal = new Coro::Signal; 3931 my $signal = new Coro::Signal;
2832 push @WAIT_FOR_TICK, $signal; 3932 push @WAIT_FOR_TICK, $signal;
2833 $signal->wait; 3933 $signal->wait;
2834} 3934}
2835 3935
2836sub wait_for_tick_begin { 3936sub wait_for_tick_begin {
2837 return unless $TICK_WATCHER->is_active;
2838 return if $Coro::current == $Coro::main; 3937 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2839 3938
2840 my $signal = new Coro::Signal; 3939 my $signal = new Coro::Signal;
2841 push @WAIT_FOR_TICK_BEGIN, $signal; 3940 push @WAIT_FOR_TICK_BEGIN, $signal;
2842 $signal->wait; 3941 $signal->wait;
2843} 3942}
2844 3943
2845 my $min = 1e6;#d# 3944sub tick {
2846 my $avg = 10;
2847$TICK_WATCHER = Event->timer (
2848 reentrant => 0,
2849 parked => 1,
2850 prio => 0,
2851 at => $NEXT_TICK || $TICK,
2852 data => WF_AUTOCANCEL,
2853 cb => sub {
2854 if ($Coro::current != $Coro::main) { 3945 if ($Coro::current != $Coro::main) {
2855 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2856 unless ++$bug_warning > 10; 3947 unless ++$bug_warning > 10;
2857 return; 3948 return;
2858 } 3949 }
2859 3950
2860 $NOW = $tick_start = Event::time;
2861
2862 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2863 3952
2864 0 && sync_job {#d# 3953 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2865 for(1..10) {
2866 my $t = Event::time;
2867 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2868 or die;
2869 3954
2870 $map->width (50); 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2871 $map->height (50); 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2872 $map->alloc; 3957 Coro::async_pool {
2873 $map->_load_objects ("/tmp/x.map", 1); 3958 $Coro::current->{desc} = "runtime saver";
2874 my $t = Event::time - $t; 3959 write_runtime_sync
2875 3960 or warn "ERROR: unable to write runtime file: $!";
2876 #next unless $t < 0.0013;#d#
2877 if ($t < $min) {
2878 $min = $t;
2879 }
2880 $avg = $avg * 0.99 + $t * 0.01;
2881 }
2882 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883 exit 0;
2884 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885 }; 3961 };
3962 }
2886 3963
2887 $RUNTIME += $TICK;
2888 $NEXT_TICK += $TICK;
2889
2890 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891 $NEXT_RUNTIME_WRITE = $NOW + 10;
2892 Coro::async_pool {
2893 write_runtime
2894 or warn "ERROR: unable to write runtime file: $!";
2895 };
2896 }
2897
2898# my $AFTER = Event::time;
2899# warn $AFTER - $NOW;#d#
2900
2901 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3964 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902 $sig->send; 3965 $sig->send;
2903 } 3966 }
2904 while (my $sig = shift @WAIT_FOR_TICK) { 3967 while (my $sig = shift @WAIT_FOR_TICK) {
2905 $sig->send; 3968 $sig->send;
2906 } 3969 }
2907 3970
2908 $NOW = Event::time; 3971 $LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910 # if we are delayed by four ticks or more, skip them all
2911 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913 $TICK_WATCHER->at ($NEXT_TICK);
2914 $TICK_WATCHER->start;
2915
2916 $LOAD = ($NOW - $tick_start) / $TICK;
2917 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3972 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918 3973
2919 _post_tick; 3974 if (0) {
2920 3975 if ($NEXT_TICK) {
2921 3976 my $jitter = $TICK_START - $NEXT_TICK;
3977 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3978 warn "jitter $JITTER\n";#d#
3979 }
2922 }, 3980 }
2923); 3981}
2924 3982
2925{ 3983{
2926 BDB::max_poll_time $TICK * 0.1; 3984 # configure BDB
2927 $BDB_POLL_WATCHER = Event->io ( 3985
2928 reentrant => 0,
2929 fd => BDB::poll_fileno,
2930 poll => 'r',
2931 prio => 0,
2932 data => WF_AUTOCANCEL,
2933 cb => \&BDB::poll_cb,
2934 );
2935 BDB::min_parallel 8; 3986 BDB::min_parallel 16;
2936 3987 BDB::max_poll_reqs $TICK * 0.1;
2937 BDB::set_sync_prepare { 3988 $AnyEvent::BDB::WATCHER->priority (1);
2938 my $status;
2939 my $current = $Coro::current;
2940 (
2941 sub {
2942 $status = $!;
2943 $current->ready; undef $current;
2944 },
2945 sub {
2946 Coro::schedule while defined $current;
2947 $! = $status;
2948 },
2949 )
2950 };
2951 3989
2952 unless ($DB_ENV) { 3990 unless ($DB_ENV) {
2953 $DB_ENV = BDB::db_env_create; 3991 $DB_ENV = BDB::db_env_create;
3992 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3993 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3994 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3995 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3996 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2954 3997
2955 cf::sync_job { 3998 cf::sync_job {
2956 eval { 3999 eval {
2957 BDB::db_env_open 4000 BDB::db_env_open
2958 $DB_ENV, 4001 $DB_ENV,
… …
2960 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2961 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962 0666; 4005 0666;
2963 4006
2964 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967 $DB_ENV->set_lk_detect;
2968 }; 4008 };
2969 4009
2970 cf::cleanup "db_env_open(db): $@" if $@; 4010 cf::cleanup "db_env_open(db): $@" if $@;
2971 }; 4011 };
2972 } 4012 }
4013
4014 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4015 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4016 };
4017 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4018 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4019 };
4020 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4021 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4022 };
2973} 4023}
2974 4024
2975{ 4025{
4026 # configure IO::AIO
4027
2976 IO::AIO::min_parallel 8; 4028 IO::AIO::min_parallel 8;
2977
2978 undef $Coro::AIO::WATCHER;
2979 IO::AIO::max_poll_time $TICK * 0.1; 4029 IO::AIO::max_poll_time $TICK * 0.1;
2980 $AIO_POLL_WATCHER = Event->io ( 4030 undef $AnyEvent::AIO::WATCHER;
2981 reentrant => 0,
2982 data => WF_AUTOCANCEL,
2983 fd => IO::AIO::poll_fileno,
2984 poll => 'r',
2985 prio => 6,
2986 cb => \&IO::AIO::poll_cb,
2987 );
2988} 4031}
2989 4032
2990my $_log_backtrace; 4033my $_log_backtrace;
2991 4034
2992sub _log_backtrace { 4035sub _log_backtrace {
… …
2995 $msg =~ s/\n//; 4038 $msg =~ s/\n//;
2996 4039
2997 # limit the # of concurrent backtraces 4040 # limit the # of concurrent backtraces
2998 if ($_log_backtrace < 2) { 4041 if ($_log_backtrace < 2) {
2999 ++$_log_backtrace; 4042 ++$_log_backtrace;
4043 my $perl_bt = Carp::longmess $msg;
3000 async { 4044 async {
4045 $Coro::current->{desc} = "abt $msg";
4046
3001 my @bt = fork_call { 4047 my @bt = fork_call {
3002 @addr = map { sprintf "%x", $_ } @addr; 4048 @addr = map { sprintf "%x", $_ } @addr;
3003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4049 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4050 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3005 or die "addr2line: $!"; 4051 or die "addr2line: $!";
… …
3013 } 4059 }
3014 4060
3015 @funcs 4061 @funcs
3016 }; 4062 };
3017 4063
3018 LOG llevInfo, "[ABT] $msg\n"; 4064 LOG llevInfo, "[ABT] $perl_bt\n";
4065 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3019 LOG llevInfo, "[ABT] $_\n" for @bt; 4066 LOG llevInfo, "[ABT] $_\n" for @bt;
3020 --$_log_backtrace; 4067 --$_log_backtrace;
3021 }; 4068 };
3022 } else { 4069 } else {
3023 LOG llevInfo, "[ABT] $msg\n"; 4070 LOG llevInfo, "[ABT] $msg\n";
3024 LOG llevInfo, "[ABT] [suppressed]\n"; 4071 LOG llevInfo, "[ABT] [suppressed]\n";
3025 } 4072 }
3026} 4073}
3027 4074
3028# load additional modules 4075# load additional modules
3029use cf::pod; 4076require "cf/$_.pm" for @EXTRA_MODULES;
4077cf::_connect_to_perl_2;
3030 4078
3031END { cf::emergency_save } 4079END { cf::emergency_save }
3032 4080
30331 40811
3034 4082

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