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Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 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 = AE::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 = AE::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
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);
1354
1355# "readahead" all extensions
1356sub cache_extensions {
1357 my $grp = IO::AIO::aio_group;
1358
1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1360 for (grep /\.ext$/, @{$_[0]}) {
1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1362 }
1363 };
1364
1365 $grp
1366}
947 1367
948sub load_extensions { 1368sub load_extensions {
949 cf::sync_job { 1369 cf::sync_job {
950 my %todo; 1370 my %todo;
951 1371
971 1391
972 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1394
975 $ext{source} = 1395 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1397 . "#line 1 \"$path\"\n{\n"
978 . $source 1398 . $source
979 . "\n};\n1"; 1399 . "\n};\n1";
980 1400
981 $todo{$base} = \%ext; 1401 $todo{$base} = \%ext;
982 } 1402 }
983 1403
1404 my $pass = 0;
984 my %done; 1405 my %done;
985 while (%todo) { 1406 while (%todo) {
986 my $progress; 1407 my $progress;
987 1408
1409 ++$pass;
1410
1411 ext:
988 while (my ($k, $v) = each %todo) { 1412 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $v->{meta}{depends}) { 1413 for (split /,\s*/, $v->{meta}{depends}) {
990 goto skip 1414 next ext
991 unless exists $done{$_}; 1415 unless exists $done{$_};
992 } 1416 }
993 1417
994 warn "... loading '$k' into '$v->{pkg}'\n"; 1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995 1419
996 unless (eval $v->{source}) { 1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
997 my $msg = $@ ? "$v->{path}: $@\n" 1423 warn "$v->{path}: $@\n";
998 : "$v->{base}: extension inactive.\n";
999 1424
1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000 if (exists $v->{meta}{mandatory}) { 1426 if exists $v->{meta}{mandatory};
1001 warn $msg; 1427 } else {
1002 warn "mandatory extension failed to load, exiting.\n"; 1428 $done{$k} = delete $todo{$k};
1003 exit 1; 1429 push @EXTS, $v->{pkg};
1004 } 1430 $progress = 1;
1005 1431
1006 warn $msg; 1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1007 } 1434 }
1008
1009 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg};
1011 $progress = 1;
1012 } 1435 }
1013 1436
1014 skip: 1437 unless ($progress) {
1015 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016 unless $progress; 1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1017 } 1445 }
1018 }; 1446 };
1019} 1447}
1020 1448
1021############################################################################# 1449#############################################################################
1022 1450
1451=back
1452
1023=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
1024 1454
1025Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
1026 1456
1027=cut 1457=cut
1028 1458
1029package cf::player; 1459package cf::player;
1030 1460
1031use Coro::AIO; 1461use Coro::AIO;
1032 1462
1033=head3 cf::player 1463=head3 cf::player
1034 1464
1035=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}
1036 1480
1037=item cf::player::find $login 1481=item cf::player::find $login
1038 1482
1039Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
1040 1484
1059 1503
1060sub exists($) { 1504sub exists($) {
1061 my ($login) = @_; 1505 my ($login) = @_;
1062 1506
1063 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
1064 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
1065} 1509}
1066 1510
1067sub find($) { 1511sub find($) {
1068 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
1069 my $login = $_[0]; 1513 my $login = $_[0];
1076 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1520 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1521 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1522 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079 aio_unlink +(playerdir $login) . "/$login.pl"; 1523 aio_unlink +(playerdir $login) . "/$login.pl";
1080 1524
1081 my $pl = load_pl path $login 1525 my $f = new_from_file cf::object::thawer path $login
1082 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;
1083 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1084 } 1534 }
1085 } 1535 }
1086} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($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);
1087 1550
1088sub save($) { 1551sub save($) {
1089 my ($pl) = @_; 1552 my ($pl) = @_;
1090 1553
1091 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
1096 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
1097 1560
1098 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
1099 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
1100 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
1101 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1102 Coro::cede; 1570 cf::cede_to_tick;
1103} 1571}
1104 1572
1105sub new($) { 1573sub new($) {
1106 my ($login) = @_; 1574 my ($login) = @_;
1107 1575
1113 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1114 1582
1115 $self 1583 $self
1116} 1584}
1117 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
1118=item $pl->quit_character 1596=item $pl->quit_character
1119 1597
1120Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1121be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1122 1600
1126 my ($pl) = @_; 1604 my ($pl) = @_;
1127 1605
1128 my $name = $pl->ob->name; 1606 my $name = $pl->ob->name;
1129 1607
1130 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1131 $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
1132 1610
1133 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1135 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1136 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1137 1617
1138 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1139 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
1175 or return []; 1655 or return [];
1176 1656
1177 my @logins; 1657 my @logins;
1178 1658
1179 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") {
1180 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1182 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1183 1669
1184 utf8::decode $login; 1670 utf8::decode $login;
1185 push @logins, $login; 1671 push @logins, $login;
1186 } 1672 }
1187 1673
1214 } 1700 }
1215 1701
1216 \@paths 1702 \@paths
1217} 1703}
1218 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1219=item $player->ext_reply ($msgid, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1220 1710
1221Sends an ext reply to the player. 1711Sends an ext reply to the player.
1222 1712
1223=cut 1713=cut
1224 1714
1225sub ext_reply($$%) { 1715sub ext_reply($$@) {
1226 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1227 1717
1228 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1229
1230 $self->send ("ext " . cf::to_json \%msg);
1231} 1719}
1232 1720
1233=item $player->ext_event ($type, %msg) 1721=item $player->ext_msg ($type, @msg)
1234 1722
1235Sends an ext event to the client. 1723Sends an ext event to the client.
1236 1724
1237=cut 1725=cut
1238 1726
1239sub ext_event($$%) { 1727sub ext_msg($$@) {
1240 my ($self, $type, %msg) = @_; 1728 my ($self, $type, @msg) = @_;
1241 1729
1242 $self->ns->ext_event ($type, %msg); 1730 $self->ns->ext_msg ($type, @msg);
1243} 1731}
1244 1732
1245=head3 cf::region 1733=head3 cf::region
1246 1734
1247=over 4 1735=over 4
1250 1738
1251package cf::region; 1739package cf::region;
1252 1740
1253=item cf::region::find_by_path $path 1741=item cf::region::find_by_path $path
1254 1742
1255Tries to decuce the probable region for a map knowing only its path. 1743Tries to decuce the likely region for a map knowing only its path.
1256 1744
1257=cut 1745=cut
1258 1746
1259sub find_by_path($) { 1747sub find_by_path($) {
1260 my ($path) = @_; 1748 my ($path) = @_;
1261 1749
1262 my ($match, $specificity); 1750 my ($match, $specificity);
1263 1751
1264 for my $region (list) { 1752 for my $region (list) {
1265 if ($region->match && $path =~ $region->match) { 1753 if ($region->{match} && $path =~ $region->{match}) {
1266 ($match, $specificity) = ($region, $region->specificity) 1754 ($match, $specificity) = ($region, $region->specificity)
1267 if $region->specificity > $specificity; 1755 if $region->specificity > $specificity;
1268 } 1756 }
1269 } 1757 }
1270 1758
1291our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1292our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1293 1781
1294sub generate_random_map { 1782sub generate_random_map {
1295 my ($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
1296 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1297 $self->_create_random_map ( 1788 $self->_create_random_map (
1298 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1300 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1302 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1303 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1390 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1391 return $self; 1882 return $self;
1392 } 1883 }
1393 } 1884 }
1394 1885
1395 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1396 () 1887 ()
1397} 1888}
1398 1889
1399sub init { 1890sub init {
1400 my ($self) = @_; 1891 my ($self) = @_;
1422 1913
1423# the temporary/swap location 1914# the temporary/swap location
1424sub save_path { 1915sub save_path {
1425 my ($self) = @_; 1916 my ($self) = @_;
1426 1917
1427 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428 "$TMPDIR/$path.map" 1919 "$TMPDIR/$path.map"
1429} 1920}
1430 1921
1431# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1432sub uniq_path { 1923sub uniq_path {
1433 my ($self) = @_; 1924 my ($self) = @_;
1434 1925
1435 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436 "$UNIQUEDIR/$path" 1927 "$UNIQUEDIR/$path"
1437}
1438
1439# and all this just because we cannot iterate over
1440# all maps in C++...
1441sub change_all_map_light {
1442 my ($change) = @_;
1443
1444 $_->change_map_light ($change)
1445 for grep $_->outdoor, values %cf::MAP;
1446} 1928}
1447 1929
1448sub decay_objects { 1930sub decay_objects {
1449 my ($self) = @_; 1931 my ($self) = @_;
1450 1932
1463 1945
1464sub load_header_from($) { 1946sub load_header_from($) {
1465 my ($self, $path) = @_; 1947 my ($self, $path) = @_;
1466 1948
1467 utf8::encode $path; 1949 utf8::encode $path;
1468 #aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1469 # or return;
1470
1471 $self->_load_header ($path)
1472 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;
1473 1958
1474 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1475 1960
1476 1 1961 1
1477} 1962}
1531sub find { 2016sub find {
1532 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1533 2018
1534 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1535 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1537 2023
1538 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1539 my $guard = cf::lock_acquire "map_find:$path";
1540 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1541 or return; 2026 or return;
1542 2027
1543 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1544 2029
1546 or return; 2031 or return;
1547 2032
1548 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549 # doing this can freeze the server in a sync job, obviously 2034 # doing this can freeze the server in a sync job, obviously
1550 #$cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1551 $map->reset; 2038 $map->reset;
1552 undef $guard;
1553 return find $path; 2039 return find $path;
1554 } 2040 }
1555 2041
1556 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1557 } 2043 }
1558} 2044}
1559 2045
1560sub pre_load { } 2046sub pre_load { }
1561sub post_load { } 2047#sub post_load { } # XS
1562 2048
1563sub load { 2049sub load {
1564 my ($self) = @_; 2050 my ($self) = @_;
1565 2051
1566 local $self->{deny_reset} = 1; # loading can take a long time 2052 local $self->{deny_reset} = 1; # loading can take a long time
1567 2053
1568 my $path = $self->{path}; 2054 my $path = $self->{path};
1569 2055
1570 { 2056 {
1571 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1572 2058
2059 return unless $self->valid;
1573 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1574 2061
1575 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1576 2063
1577 $self->alloc; 2064 $self->alloc;
1578 2065
1579 $self->pre_load; 2066 $self->pre_load;
1580 Coro::cede; 2067 cf::cede_to_tick;
1581 2068
2069 my $f = new_from_file cf::object::thawer $self->{load_path};
2070 $f->skip_block;
1582 $self->_load_objects ($self->{load_path}, 1) 2071 $self->_load_objects ($f)
1583 or return; 2072 or return;
1584 2073
1585 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1586 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1587 2076
1588 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1589 utf8::encode $uniq; 2078 utf8::encode $uniq;
1590 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1591 $self->clear_unique_items; 2081 $self->clear_unique_items;
1592 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1593 } 2085 }
1594 } 2086 }
1595 2087
1596 Coro::cede; 2088 $f->resolve_delayed_derefs;
2089
2090 cf::cede_to_tick;
1597 # now do the right thing for maps 2091 # now do the right thing for maps
1598 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1599 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1600 unless $self->difficulty; 2094 unless $self->difficulty;
1601 Coro::cede; 2095 cf::cede_to_tick;
1602 2096
1603 unless ($self->{deny_activate}) { 2097 unless ($self->{deny_activate}) {
1604 $self->decay_objects; 2098 $self->decay_objects;
1605 $self->fix_auto_apply; 2099 $self->fix_auto_apply;
1606 $self->update_buttons; 2100 $self->update_buttons;
1607 Coro::cede; 2101 cf::cede_to_tick;
1608 $self->set_darkness_map;
1609 Coro::cede;
1610 $self->activate; 2102 $self->activate;
1611 } 2103 }
1612 2104
2105 $self->{last_save} = $cf::RUNTIME;
2106 $self->last_access ($cf::RUNTIME);
2107
1613 $self->in_memory (cf::MAP_IN_MEMORY); 2108 $self->in_memory (cf::MAP_ACTIVE);
1614 } 2109 }
1615 2110
1616 $self->post_load; 2111 $self->post_load;
1617} 2112}
1618 2113
2114# customize the map for a given player, i.e.
2115# return the _real_ map. used by e.g. per-player
2116# maps to change the path to ~playername/mappath
1619sub customise_for { 2117sub customise_for {
1620 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1621 2119
1622 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1623 if $self->per_player; 2121 if $self->per_player;
1627 2125
1628 $self 2126 $self
1629} 2127}
1630 2128
1631# find and load all maps in the 3x3 area around a map 2129# find and load all maps in the 3x3 area around a map
1632sub load_diag { 2130sub load_neighbours {
1633 my ($map) = @_; 2131 my ($map) = @_;
1634 2132
1635 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1636 2134
1637 for (0 .. 3) { 2135 for (0 .. 3) {
1638 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1639 or next; 2137 or next;
1640 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1641 or next; 2139 or next;
1642 $neigh->load; 2140 $neigh->load;
1643 2141
2142 push @neigh,
1644 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1646 } 2145 }
1647 2146
1648 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1649 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1650 or next; 2150 or next;
1651 $neigh->load; 2151 $neigh->load;
1652 } 2152 }
1653} 2153}
1654 2154
1659} 2159}
1660 2160
1661sub do_load_sync { 2161sub do_load_sync {
1662 my ($map) = @_; 2162 my ($map) = @_;
1663 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1664 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1665} 2168}
1666 2169
1667our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1668our $MAP_PREFETCHER = undef; 2171our $MAP_PREFETCHER = undef;
1669 2172
1670sub find_async { 2173sub find_async {
1671 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1672 2175
1673 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1674 2177
1675 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1676 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677 } 2180 }
1678 2181
1679 undef $MAP_PREFETCH{$path}; 2182 $MAP_PREFETCH{$path} |= $load;
2183
1680 $MAP_PREFETCHER ||= cf::async { 2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
1681 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1682 for my $path (keys %MAP_PREFETCH) { 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1683 my $map = find $path 2189 if (my $map = find $k) {
1684 or next;
1685 $map->load; 2190 $map->load if $v;
2191 }
1686 2192
1687 delete $MAP_PREFETCH{$path}; 2193 delete $MAP_PREFETCH{$k};
1688 } 2194 }
1689 } 2195 }
1690 undef $MAP_PREFETCHER; 2196 undef $MAP_PREFETCHER;
1691 }; 2197 };
1692 $MAP_PREFETCHER->prio (6); 2198 $MAP_PREFETCHER->prio (6);
1695} 2201}
1696 2202
1697sub save { 2203sub save {
1698 my ($self) = @_; 2204 my ($self) = @_;
1699 2205
1700 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1701 2207
1702 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1703 2209
1704 return unless $self->dirty; 2210 return unless $self->dirty;
1705 2211
1711 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1712 2218
1713 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1714 2220
1715 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1716 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1717 }; 2224 };
2225
2226 cf::get_slot 0.02;
1718 2227
1719 if ($uniq) { 2228 if ($uniq) {
1720 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1722 } else { 2231 } else {
1728 my ($self) = @_; 2237 my ($self) = @_;
1729 2238
1730 # save first because save cedes 2239 # save first because save cedes
1731 $self->save; 2240 $self->save;
1732 2241
1733 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1734 2243
1735 return if $self->players; 2244 return if $self->players;
1736 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1737 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1738 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1739 $self->clear; 2252 $self->clear;
1740 $self->in_memory (cf::MAP_SWAPPED);
1741} 2253}
1742 2254
1743sub reset_at { 2255sub reset_at {
1744 my ($self) = @_; 2256 my ($self) = @_;
1745 2257
1763 2275
1764 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1765 2277
1766 return if $self->players; 2278 return if $self->players;
1767 2279
1768 warn "resetting map ", $self->path; 2280 warn "resetting map ", $self->path, "\n";
1769 2281
1770 $self->in_memory (cf::MAP_SWAPPED); 2282 $self->in_memory (cf::MAP_SWAPPED);
1771 2283
1772 # need to save uniques path 2284 # need to save uniques path
1773 unless ($self->{deny_save}) { 2285 unless ($self->{deny_save}) {
1777 if $uniq; 2289 if $uniq;
1778 } 2290 }
1779 2291
1780 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1781 2293
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1782 $self->clear; 2296 $self->clear;
1783
1784 $_->clear_links_to ($self) for values %cf::MAP;
1785 2297
1786 $self->unlink_save; 2298 $self->unlink_save;
1787 $self->destroy; 2299 $self->destroy;
1788} 2300}
1789 2301
1790my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1791 2303
1792sub nuke { 2304sub nuke {
1793 my ($self) = @_; 2305 my ($self) = @_;
1794 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
1795 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1796 2311
1797 $self->unlink_save; 2312 $self->unlink_save;
1798 2313
1799 bless $self, "cf::map"; 2314 bless $self, "cf::map";
1800 delete $self->{deny_reset}; 2315 delete $self->{deny_reset};
1801 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1802 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1803 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804 2319
1805 $cf::MAP{$self->path} = $self; 2320 $cf::MAP{$self->path} = $self;
2321 }
1806 2322
1807 $self->reset; # polite request, might not happen 2323 $self->reset; # polite request, might not happen
1808} 2324}
1809 2325
1810=item $maps = cf::map::tmp_maps 2326=item $maps = cf::map::tmp_maps
1852 2368
1853sub unique_maps() { 2369sub unique_maps() {
1854 [ 2370 [
1855 map { 2371 map {
1856 utf8::decode $_; 2372 utf8::decode $_;
1857 /\.map$/ 2373 s/\.map$//; # TODO future compatibility hack
2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2375 ? ()
1858 ? normalise $_ 2376 : normalise $_
1859 : ()
1860 } @{ aio_readdir $UNIQUEDIR or [] } 2377 } @{ aio_readdir $UNIQUEDIR or [] }
1861 ] 2378 ]
1862} 2379}
1863 2380
1864package 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}
1865 2412
1866=back 2413=back
1867 2414
1868=head3 cf::object 2415=head3 cf::object
1869 2416
1873 2420
1874=over 4 2421=over 4
1875 2422
1876=item $ob->inv_recursive 2423=item $ob->inv_recursive
1877 2424
1878Returns 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.
1879 2427
1880=cut 2428=cut
1881 2429
1882sub inv_recursive_; 2430sub inv_recursive_;
1883sub inv_recursive_ { 2431sub inv_recursive_ {
1886 2434
1887sub inv_recursive { 2435sub inv_recursive {
1888 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1889} 2437}
1890 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
1891package cf; 2467package cf;
1892 2468
1893=back 2469=back
1894 2470
1895=head3 cf::object::player 2471=head3 cf::object::player
1901Sends 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>
1902can 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
1903dialogue with the given NPC character. 2479dialogue with the given NPC character.
1904 2480
1905=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};
1906 2496
1907# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1908# with dialog boxes. 2498# with dialog boxes.
1909#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
1910sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
1912 2502
1913 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914 2504
1915 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1916 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1917 } 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 {
1918 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1919 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1920 } 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 (@_);
1921} 2530}
1922 2531
1923=item $player_object->may ("access") 2532=item $player_object->may ("access")
1924 2533
1925Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
1938 2547
1939=item $player_object->enter_link 2548=item $player_object->enter_link
1940 2549
1941Freezes 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}>).
1942 2551
1943The 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.
1944I<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.
1945 2556
1946Will never block. 2557Will never block.
1947 2558
1948=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1949 2560
2001 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
2002 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
2003 2614
2004 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
2005 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
2006 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
2007 2618
2008 $map->load; 2619 $map->load;
2009 $map->load_diag; 2620 $map->load_neighbours;
2010 2621
2011 return unless $self->contr->active; 2622 return unless $self->contr->active;
2012 $self->activate_recursive;
2013 2623
2014 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015 $self->enter_map ($map, $x, $y); 2625 $self->enter_map ($map, $x, $y);
2016}
2017 2626
2627 # only activate afterwards, to support waiting in hooks
2628 $self->activate_recursive;
2629}
2630
2018=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019 2632
2020Moves 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
2021her, loading and preparing them map, calling the provided $check callback 2634her, loading and preparing them map, calling the provided $check callback
2022that 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
2023the 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 >>.
2024 2641
2025=cut 2642=cut
2026 2643
2027our $GOTOGEN; 2644our $GOTOGEN;
2028 2645
2029sub cf::object::player::goto { 2646sub cf::object::player::goto {
2030 my ($self, $path, $x, $y, $check) = @_; 2647 my ($self, $path, $x, $y, $check, $done) = @_;
2031 2648
2032 # 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
2033 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2650 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034 2651
2035 $self->enter_link; 2652 $self->enter_link;
2036 2653
2037 (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
2038 my $map = eval { 2676 my $map = eval {
2039 my $map = cf::map::find $path; 2677 my $map = defined $path ? cf::map::find $path : undef;
2040 2678
2041 if ($map) { 2679 if ($map) {
2042 $map = $map->customise_for ($self); 2680 $map = $map->customise_for ($self);
2043 $map = $check->($map) if $check && $map; 2681 $map = $check->($map) if $check && $map;
2044 } else { 2682 } else {
2045 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2683 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046 } 2684 }
2047 2685
2048 $map 2686 $map
2049 }; 2687 };
2050 2688
2055 2693
2056 if ($gen == $self->{_goto_generation}) { 2694 if ($gen == $self->{_goto_generation}) {
2057 delete $self->{_goto_generation}; 2695 delete $self->{_goto_generation};
2058 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2059 } 2697 }
2698
2699 $done->() if $done;
2060 })->prio (1); 2700 })->prio (1);
2061} 2701}
2062 2702
2063=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
2064 2704
2084} 2724}
2085 2725
2086sub prepare_random_map { 2726sub prepare_random_map {
2087 my ($exit) = @_; 2727 my ($exit) = @_;
2088 2728
2089 my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091 # all this does is basically replace the /! path by 2729 # all this does is basically replace the /! path by
2092 # a new random map path (?random/...) with a seed 2730 # a new random map path (?random/...) with a seed
2093 # that depends on the exit object 2731 # that depends on the exit object
2094 2732
2095 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
2097 if ($exit->map) { 2735 if ($exit->map) {
2098 $rmp->{region} = $exit->region->name; 2736 $rmp->{region} = $exit->region->name;
2099 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
2100 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
2101 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
2102 } 2742 }
2103 2743
2104 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
2105 2745
2106 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
2108 my $meta = "$RANDOMDIR/$md5.meta"; 2748 my $meta = "$RANDOMDIR/$md5.meta";
2109 2749
2110 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
2112 undef $fh; 2752 undef $fh;
2113 aio_rename "$meta~", $meta; 2753 aio_rename "$meta~", $meta;
2114 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
2115 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
2116 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
2117 } 2761 }
2118} 2762}
2119 2763
2120sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
2121 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
2122 2766
2123 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
2124 2768
2125 if ($exit->slaying eq "/!") {
2126 #TODO: this should de-fi-ni-te-ly not be a sync-job
2127 # the problem is that $exit might not survive long enough
2128 # so it needs to be done right now, right here
2129 cf::sync_job { prepare_random_map $exit };
2130 }
2131
2132 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133 my $hp = $exit->stats->hp;
2134 my $sp = $exit->stats->sp;
2135
2136 $self->enter_link; 2769 $self->enter_link;
2137 2770
2138 (async { 2771 (async {
2139 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
2140 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
2141 $self->goto ($slaying, $hp, $sp); 2789 $self->goto ($map, $x, $y);
2142 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
2143 1; 2795 1
2144 }) { 2796 }) {
2145 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
2146 . "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. "
2147 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
2148 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
2149 2801
2150 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
2169 2821
2170 utf8::encode $text; 2822 utf8::encode $text;
2171 $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);
2172} 2824}
2173 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
2174=item $client->ext_event ($type, %msg) 3013=item $client->ext_msg ($type, @msg)
2175 3014
2176Sends an exti event to the client. 3015Sends an ext event to the client.
2177 3016
2178=cut 3017=cut
2179 3018
2180sub cf::client::ext_event($$%) { 3019sub cf::client::ext_msg($$@) {
2181 my ($self, $type, %msg) = @_; 3020 my ($self, $type, @msg) = @_;
2182 3021
3022 if ($self->extcmd == 2) {
3023 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3024 } elsif ($self->extcmd == 1) { # TODO: remove
2183 $msg{msgtype} = "event_$type"; 3025 push @msg, msgtype => "event_$type";
2184 $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 }
2185} 3046}
2186 3047
2187=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
2188 3049
2189Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
2190the 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>,
2191C<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>.
2192 3053
2193Queries 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
2194reliable at some point in the future. 3055become reliable at some point in the future.
2195 3056
2196=cut 3057=cut
2197 3058
2198sub cf::client::query { 3059sub cf::client::query {
2199 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
2207 utf8::encode $text; 3068 utf8::encode $text;
2208 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209 3070
2210 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
2211 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
2212} 3075}
2213 3076
2214cf::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 },
2215 on_reply => sub { 3083 on_reply => sub {
2216 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
2217 3085
2218 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
2219 # get handled first 3087 # get handled first
2231 } else { 3099 } else {
2232 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233 } 3101 }
2234 } 3102 }
2235 }, 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 },
2236); 3130);
2237 3131
2238=item $client->async (\&cb) 3132=item $client->async (\&cb)
2239 3133
2240Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
2256 3150
2257 $coro 3151 $coro
2258} 3152}
2259 3153
2260cf::client->attach ( 3154cf::client->attach (
2261 on_destroy => sub { 3155 on_client_destroy => sub {
2262 my ($ns) = @_; 3156 my ($ns) = @_;
2263 3157
2264 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265 }, 3159 },
2266); 3160);
2281our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2282our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2283 3177
2284$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2285 3179
2286$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));
2287 3185
2288# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2289 3187
2290=pod 3188=pod
2291 3189
2292The following functions and methods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2293 3191
2294 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
2295 cf::object::player player 3197 cf::object::player
2296 cf::player peaceful 3198 player
2297 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2298 3205
2299=cut 3206=cut
2300 3207
2301for ( 3208for (
2302 ["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)],
2303 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2304 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2305 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2306) { 3215) {
2307 no strict 'refs'; 3216 no strict 'refs';
2308 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2327 3236
2328 my $qcode = $code; 3237 my $qcode = $code;
2329 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2330 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2331 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2332 local $_; 3244 local $_;
2333 local @safe::cf::_safe_eval_args = values %vars;
2334 3245
2335 my $eval = 3246 my $eval =
2336 "do {\n" 3247 "do {\n"
2337 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2339 . $code 3250 . $code
2340 . "\n}" 3251 . "\n}"
2341 ; 3252 ;
2342 3253
3254 if ($CFG{safe_eval}) {
2343 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2344 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345 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 }
2346 3263
2347 if ($@) { 3264 if ($@) {
2348 warn "$@"; 3265 warn "$@";
2349 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2350 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
2369=cut 3286=cut
2370 3287
2371sub register_script_function { 3288sub register_script_function {
2372 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2373 3290
2374 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2375 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2376} 3293}
2377 3294
2378=back 3295=back
2379 3296
2380=cut 3297=cut
2381
2382#############################################################################
2383
2384=head2 EXTENSION DATABASE SUPPORT
2385
2386Crossfire maintains a very simple database for extension use. It can
2387currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388convert to/from binary).
2389
2390The parameter C<$family> should best start with the name of the extension
2391using it, it should be unique.
2392
2393=over 4
2394
2395=item $value = cf::db_get $family => $key
2396
2397Returns a single value from the database.
2398
2399=item cf::db_put $family => $key => $value
2400
2401Stores the given C<$value> in the family.
2402
2403=cut
2404
2405our $DB;
2406
2407sub db_init {
2408 unless ($DB) {
2409 $DB = BDB::db_create $DB_ENV;
2410
2411 cf::sync_job {
2412 eval {
2413 $DB->set_flags (BDB::CHKSUM);
2414
2415 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417 cf::cleanup "db_open(db): $!" if $!;
2418 };
2419 cf::cleanup "db_open(db): $@" if $@;
2420 };
2421 }
2422}
2423
2424sub db_get($$) {
2425 my $key = "$_[0]/$_[1]";
2426
2427 cf::sync_job {
2428 BDB::db_get $DB, undef, $key, my $data;
2429
2430 $! ? ()
2431 : $data
2432 }
2433}
2434
2435sub db_put($$$) {
2436 BDB::dbreq_pri 4;
2437 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438}
2439
2440=item cf::cache $id => [$paths...], $processversion => $process
2441
2442Generic caching function that returns the value of the resource $id,
2443caching and regenerating as required.
2444
2445This function can block.
2446
2447=cut
2448
2449sub cache {
2450 my ($id, $src, $processversion, $process) = @_;
2451
2452 my $meta =
2453 join "\x00",
2454 $processversion,
2455 map {
2456 aio_stat $_
2457 and Carp::croak "$_: $!";
2458
2459 ($_, (stat _)[7,9])
2460 } @$src;
2461
2462 my $dbmeta = db_get cache => "$id/meta";
2463 if ($dbmeta ne $meta) {
2464 # changed, we may need to process
2465
2466 my @data;
2467 my $md5;
2468
2469 for (0 .. $#$src) {
2470 0 <= aio_load $src->[$_], $data[$_]
2471 or Carp::croak "$src->[$_]: $!";
2472 }
2473
2474 # if processing is expensive, check
2475 # checksum first
2476 if (1) {
2477 $md5 =
2478 join "\x00",
2479 $processversion,
2480 map {
2481 Coro::cede;
2482 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2483 } 0.. $#$src;
2484
2485
2486 my $dbmd5 = db_get cache => "$id/md5";
2487 if ($dbmd5 eq $md5) {
2488 db_put cache => "$id/meta", $meta;
2489
2490 return db_get cache => "$id/data";
2491 }
2492 }
2493
2494 my $t1 = Time::HiRes::time;
2495 my $data = $process->(\@data);
2496 my $t2 = Time::HiRes::time;
2497
2498 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500 db_put cache => "$id/data", $data;
2501 db_put cache => "$id/md5" , $md5;
2502 db_put cache => "$id/meta", $meta;
2503
2504 return $data;
2505 }
2506
2507 db_get cache => "$id/data"
2508}
2509
2510=item fork_call { }, $args
2511
2512Executes the given code block with the given arguments in a seperate
2513process, returning the results. Everything must be serialisable with
2514Coro::Storable. May, of course, block. Note that the executed sub may
2515never block itself or use any form of Event handling.
2516
2517=cut
2518
2519sub fork_call(&@) {
2520 my ($cb, @args) = @_;
2521
2522# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523# or die "socketpair: $!";
2524 pipe my $fh1, my $fh2
2525 or die "pipe: $!";
2526
2527 if (my $pid = fork) {
2528 close $fh2;
2529
2530 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531 $res = Coro::Storable::thaw $res;
2532
2533 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535 die $$res unless "ARRAY" eq ref $res;
2536
2537 return wantarray ? @$res : $res->[-1];
2538 } else {
2539 reset_signals;
2540 local $SIG{__WARN__};
2541 local $SIG{__DIE__};
2542 eval {
2543 close $fh1;
2544
2545 my @res = eval { $cb->(@args) };
2546 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547 };
2548
2549 warn $@ if $@;
2550 _exit 0;
2551 }
2552}
2553 3298
2554############################################################################# 3299#############################################################################
2555# the server's init and main functions 3300# the server's init and main functions
2556 3301
2557sub load_facedata($) { 3302sub load_facedata($) {
2558 my ($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;
2559 3310
2560 warn "loading facedata from $path\n"; 3311 warn "loading facedata from $path\n";
2561 3312
2562 my $facedata; 3313 my $facedata;
2563 0 < aio_load $path, $facedata 3314 0 < aio_load $path, $facedata
2566 $facedata = Coro::Storable::thaw $facedata; 3317 $facedata = Coro::Storable::thaw $facedata;
2567 3318
2568 $facedata->{version} == 2 3319 $facedata->{version} == 2
2569 or cf::cleanup "$path: version mismatch, cannot proceed."; 3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
2570 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
2571 { 3331 {
2572 my $faces = $facedata->{faceinfo}; 3332 my $faces = $facedata->{faceinfo};
2573 3333
2574 while (my ($face, $info) = each %$faces) { 3334 while (my ($face, $info) = each %$faces) {
2575 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3336
2576 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3337 cf::face::set_visibility $idx, $info->{visibility};
3338 cf::face::set_magicmap $idx, $info->{magicmap};
2577 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579 Coro::cede; 3341
3342 cf::cede_to_tick;
2580 } 3343 }
2581 3344
2582 while (my ($face, $info) = each %$faces) { 3345 while (my ($face, $info) = each %$faces) {
2583 next unless $info->{smooth}; 3346 next unless $info->{smooth};
3347
2584 my $idx = cf::face::find $face 3348 my $idx = cf::face::find $face
2585 or next; 3349 or next;
3350
2586 if (my $smooth = cf::face::find $info->{smooth}) { 3351 if (my $smooth = cf::face::find $info->{smooth}) {
3352 cf::face::set_smooth $idx, $smooth;
2587 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588 } else { 3354 } else {
2589 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
2590 } 3356 }
2591 Coro::cede; 3357
3358 cf::cede_to_tick;
2592 } 3359 }
2593 } 3360 }
2594 3361
2595 { 3362 {
2596 my $anims = $facedata->{animinfo}; 3363 my $anims = $facedata->{animinfo};
2597 3364
2598 while (my ($anim, $info) = each %$anims) { 3365 while (my ($anim, $info) = each %$anims) {
2599 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3366 cf::anim::set $anim, $info->{frames}, $info->{facings};
2600 Coro::cede; 3367 cf::cede_to_tick;
2601 } 3368 }
2602 3369
2603 cf::anim::invalidate_all; # d'oh 3370 cf::anim::invalidate_all; # d'oh
2604 } 3371 }
2605 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
2606 1 3392 1
2607} 3393}
2608 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 $status
3431}
3432
2609sub reload_regions { 3433sub reload_regions {
3434 # HACK to clear player env face cache, we need some signal framework
3435 # for this (global event?)
3436 %ext::player_env::MUSIC_FACE_CACHE = ();
3437
2610 load_resource_file "$MAPDIR/regions" 3438 load_resource_file "$MAPDIR/regions"
2611 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 $_->{match};
3444 }
2612} 3445}
2613 3446
2614sub reload_facedata { 3447sub reload_facedata {
2615 load_facedata "$DATADIR/facedata" 3448 load_facedata "$DATADIR/facedata"
2616 or die "unable to load facedata\n"; 3449 or die "unable to load facedata\n";
2627} 3460}
2628 3461
2629sub reload_resources { 3462sub reload_resources {
2630 warn "reloading resource files...\n"; 3463 warn "reloading resource files...\n";
2631 3464
3465 reload_facedata;
3466 reload_archetypes;
2632 reload_regions; 3467 reload_regions;
2633 reload_facedata;
2634 #reload_archetypes;#d#
2635 reload_archetypes;
2636 reload_treasures; 3468 reload_treasures;
2637 3469
2638 warn "finished reloading resource files\n"; 3470 warn "finished reloading resource files\n";
2639} 3471}
2640 3472
2641sub init { 3473sub reload_config {
2642 reload_resources; 3474 warn "reloading config file...\n";
2643}
2644 3475
2645sub cfg_load {
2646 open my $fh, "<:utf8", "$CONFDIR/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2647 or return; 3477 or return;
2648 3478
2649 local $/; 3479 local $/;
2650 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2651 3481
2652 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653 3483
2654 $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};
2655 $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};
2659 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2661 }; 3491 };
2662 warn $@ if $@; 3492 warn $@ if $@;
2663 } 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;
2664} 3524}
2665 3525
2666sub 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
2667 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2668 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2669 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#
2670 (async { 3544 (async {
2671 Event::one_event; 3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
2672 })->prio (Coro::PRIO_MAX); 3547 })->prio (Coro::PRIO_MAX);
2673 }; 3548 };
2674 3549
2675 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;
2676 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
2677 load_extensions; 3568 load_extensions;
2678 3569
2679 $TICK_WATCHER->start; 3570 utime time, time, $RUNTIMEFILE;
2680 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;
2681} 3580}
2682 3581
2683############################################################################# 3582#############################################################################
2684# initialisation and cleanup 3583# initialisation and cleanup
2685 3584
2686# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2687BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2688 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2689 Event->signal ( 3589 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2690 reentrant => 0,
2691 data => WF_AUTOCANCEL,
2692 signal => $signal,
2693 prio => 0,
2694 cb => sub {
2695 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2696 },
2697 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = AE::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", AE::time - $t0;
3629
2698 } 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 };
2699} 3681}
2700 3682
2701sub emergency_save() { 3683sub emergency_save() {
2702 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2703 3685
2704 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2705 3687
2706 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
2707 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2708 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2709 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2710 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2711 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2712 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2713 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714 $pl->save; 3702 $pl->save;
2715 } 3703 }
2716 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2717 3705
2718 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2719 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2720 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2721 $map->valid or next; 3709 $map->valid or next;
2722 $map->save; 3710 $map->save;
2723 } 3711 }
2724 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
2725 3713
2726 warn "begin emergency database checkpoint\n"; 3714 warn "emergency_perl_save: begin database checkpoint\n";
2727 BDB::db_env_txn_checkpoint $DB_ENV; 3715 BDB::db_env_txn_checkpoint $DB_ENV;
2728 warn "end emergency database checkpoint\n"; 3716 warn "emergency_perl_save: end database checkpoint\n";
3717
3718 warn "emergency_perl_save: begin write uuid\n";
3719 write_uuid_sync 1;
3720 warn "emergency_perl_save: end write uuid\n";
2729 }; 3721 };
2730 3722
3723 warn "emergency_perl_save: starting sync()\n";
3724 IO::AIO::aio_sync sub {
3725 warn "emergency_perl_save: finished sync()\n";
3726 };
3727
2731 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2732} 3729}
2733 3730
2734sub post_cleanup { 3731sub post_cleanup {
2735 my ($make_core) = @_; 3732 my ($make_core) = @_;
2736 3733
2737 warn Carp::longmess "post_cleanup backtrace" 3734 warn Carp::longmess "post_cleanup backtrace"
2738 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#
2739} 3765}
2740 3766
2741sub do_reload_perl() { 3767sub do_reload_perl() {
2742 # can/must only be called in main 3768 # can/must only be called in main
2743 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2744 warn "can only reload from main coroutine"; 3770 warn "can only reload from main coroutine";
2745 return; 3771 return;
2746 } 3772 }
2747 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = AE::time;
3777
3778 while ($RELOAD) {
2748 warn "reloading..."; 3779 warn "reloading...";
2749 3780
2750 warn "entering sync_job"; 3781 warn "entering sync_job";
2751 3782
2752 cf::sync_job { 3783 cf::sync_job {
2753 cf::write_runtime; # external watchdog should not bark 3784 cf::write_runtime_sync; # external watchdog should not bark
2754 cf::emergency_save; 3785 cf::emergency_save;
2755 cf::write_runtime; # external watchdog should not bark 3786 cf::write_runtime_sync; # external watchdog should not bark
2756 3787
2757 warn "syncing database to disk"; 3788 warn "syncing database to disk";
2758 BDB::db_env_txn_checkpoint $DB_ENV; 3789 BDB::db_env_txn_checkpoint $DB_ENV;
2759 3790
2760 # 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
2761 3792
2762 warn "cancelling all WF_AUTOCANCEL watchers";
2763 for (Event::all_watchers) {
2764 $_->cancel if $_->data & WF_AUTOCANCEL;
2765 }
2766
2767 warn "flushing outstanding aio requests"; 3793 warn "flushing outstanding aio requests";
2768 for (;;) {
2769 BDB::flush;
2770 IO::AIO::flush;
2771 Coro::cede;
2772 last unless IO::AIO::nreqs || BDB::nreqs; 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2773 warn "iterate..."; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774 }
2775
2776 ++$RELOAD;
2777
2778 warn "cancelling all extension coros";
2779 $_->cancel for values %EXT_CORO;
2780 %EXT_CORO = ();
2781
2782 warn "removing commands";
2783 %COMMAND = ();
2784
2785 warn "removing ext commands";
2786 %EXTCMD = ();
2787
2788 warn "unloading/nuking all extensions";
2789 for my $pkg (@EXTS) {
2790 warn "... unloading $pkg";
2791
2792 if (my $cb = $pkg->can ("unload")) {
2793 eval {
2794 $cb->($pkg);
2795 1
2796 } or warn "$pkg unloaded, but with errors: $@";
2797 } 3796 }
2798 3797
2799 warn "... nuking $pkg"; 3798 warn "cancelling all extension coros";
2800 Symbol::delete_package $pkg; 3799 $_->cancel for values %EXT_CORO;
2801 } 3800 %EXT_CORO = ();
2802 3801
2803 warn "unloading all perl modules loaded from $LIBDIR"; 3802 warn "removing commands";
2804 while (my ($k, $v) = each %INC) { 3803 %COMMAND = ();
2805 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806 3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2807 warn "... unloading $k"; 3811 warn "... unloading $pkg";
2808 delete $INC{$k};
2809 3812
2810 $k =~ s/\.pm$//;
2811 $k =~ s/\//::/g;
2812
2813 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2814 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2815 } 3822 }
2816 3823
2817 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;
2818 } 3839 }
2819 3840
2820 warn "getting rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2821 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2822 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);
2823 3844
2824 warn "unloading cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2825 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
2826 delete $INC{"cf/pod.pm"}; 3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827 3848
2828 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2829 # and global variables created in xs 3850 # and global variables created in xs
2830 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2831 3852
2832 warn "unload completed, starting to reload now"; 3853 warn "unload completed, starting to reload now";
2833 3854
2834 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2835 require cf; 3856 require cf;
2836 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2837 3858
2838 warn "loading config and database again"; 3859 warn "loading config and database again";
2839 cf::cfg_load; 3860 cf::reload_config;
2840 3861
2841 warn "loading extensions"; 3862 warn "loading extensions";
2842 cf::load_extensions; 3863 cf::load_extensions;
2843 3864
3865 if ($REATTACH_ON_RELOAD) {
2844 warn "reattaching attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2845 _global_reattach; # objects, sockets 3867 _global_reattach; # objects, sockets
2846 warn "reattaching attachments to maps"; 3868 warn "reattaching attachments to maps";
2847 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
2848 warn "reattaching attachments to players"; 3870 warn "reattaching attachments to players";
2849 reattach $_ for values %PLAYER; 3871 reattach $_ for values %PLAYER;
3872 }
2850 3873
3874 warn "running post_init jobs";
3875 (pop @POST_INIT)->(1) while @POST_INIT;
3876
2851 warn "leaving sync_job"; 3877 warn "leaving sync_job";
2852 3878
2853 1 3879 1
2854 } or do { 3880 } or do {
2855 warn $@; 3881 warn $@;
2856 warn "error while reloading, exiting."; 3882 cf::cleanup "error while reloading, exiting.";
2857 exit 1;
2858 }; 3883 };
2859 3884
2860 warn "reloaded"; 3885 warn "reloaded";
3886 --$RELOAD;
3887 }
3888
3889 $t1 = AE::time - $t1;
3890 warn "reload completed in ${t1}s\n";
2861}; 3891};
2862 3892
2863our $RELOAD_WATCHER; # used only during reload 3893our $RELOAD_WATCHER; # used only during reload
2864 3894
2865sub reload_perl() { 3895sub reload_perl() {
2866 # doing reload synchronously and two reloads happen back-to-back, 3896 # doing reload synchronously and two reloads happen back-to-back,
2867 # coro crashes during coro_state_free->destroy here. 3897 # coro crashes during coro_state_free->destroy here.
2868 3898
2869 $RELOAD_WATCHER ||= Event->timer ( 3899 $RELOAD_WATCHER ||= cf::async {
2870 reentrant => 0, 3900 Coro::AIO::aio_wait cache_extensions;
2871 after => 0, 3901
2872 data => WF_AUTOCANCEL, 3902 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873 cb => sub {
2874 do_reload_perl; 3903 do_reload_perl;
2875 undef $RELOAD_WATCHER; 3904 undef $RELOAD_WATCHER;
2876 }, 3905 };
2877 ); 3906 };
2878} 3907}
2879 3908
2880register_command "reload" => sub { 3909register_command "reload" => sub {
2881 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2882 3911
2883 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2884 $who->message ("reloading server."); 3913 $who->message ("reloading server.");
3914 async {
3915 $Coro::current->{desc} = "perl_reload";
2885 async { reload_perl }; 3916 reload_perl;
3917 };
2886 } 3918 }
2887}; 3919};
2888 3920
2889unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2890 3922
2892 3924
2893our @WAIT_FOR_TICK; 3925our @WAIT_FOR_TICK;
2894our @WAIT_FOR_TICK_BEGIN; 3926our @WAIT_FOR_TICK_BEGIN;
2895 3927
2896sub wait_for_tick { 3928sub wait_for_tick {
2897 return unless $TICK_WATCHER->is_active;
2898 return if $Coro::current == $Coro::main; 3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899 3930
2900 my $signal = new Coro::Signal; 3931 my $signal = new Coro::Signal;
2901 push @WAIT_FOR_TICK, $signal; 3932 push @WAIT_FOR_TICK, $signal;
2902 $signal->wait; 3933 $signal->wait;
2903} 3934}
2904 3935
2905sub wait_for_tick_begin { 3936sub wait_for_tick_begin {
2906 return unless $TICK_WATCHER->is_active;
2907 return if $Coro::current == $Coro::main; 3937 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908 3938
2909 my $signal = new Coro::Signal; 3939 my $signal = new Coro::Signal;
2910 push @WAIT_FOR_TICK_BEGIN, $signal; 3940 push @WAIT_FOR_TICK_BEGIN, $signal;
2911 $signal->wait; 3941 $signal->wait;
2912} 3942}
2913 3943
2914 my $min = 1e6;#d# 3944sub tick {
2915 my $avg = 10;
2916$TICK_WATCHER = Event->timer (
2917 reentrant => 0,
2918 parked => 1,
2919 prio => 0,
2920 at => $NEXT_TICK || $TICK,
2921 data => WF_AUTOCANCEL,
2922 cb => sub {
2923 if ($Coro::current != $Coro::main) { 3945 if ($Coro::current != $Coro::main) {
2924 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"
2925 unless ++$bug_warning > 10; 3947 unless ++$bug_warning > 10;
2926 return; 3948 return;
2927 } 3949 }
2928 3950
2929 $NOW = $tick_start = Event::time;
2930
2931 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2932 3952
2933 0 && sync_job {#d# 3953 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2934 for(1..10) {
2935 my $t = Event::time;
2936 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937 or die;
2938 3954
2939 $map->width (50); 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940 $map->height (50); 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941 $map->alloc; 3957 Coro::async_pool {
2942 $map->_load_objects ("/tmp/x.map", 1); 3958 $Coro::current->{desc} = "runtime saver";
2943 my $t = Event::time - $t; 3959 write_runtime_sync
2944 3960 or warn "ERROR: unable to write runtime file: $!";
2945 #next unless $t < 0.0013;#d#
2946 if ($t < $min) {
2947 $min = $t;
2948 }
2949 $avg = $avg * 0.99 + $t * 0.01;
2950 }
2951 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952 exit 0;
2953 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954 }; 3961 };
3962 }
2955 3963
2956 $RUNTIME += $TICK;
2957 $NEXT_TICK += $TICK;
2958
2959 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960 $NEXT_RUNTIME_WRITE = $NOW + 10;
2961 Coro::async_pool {
2962 write_runtime
2963 or warn "ERROR: unable to write runtime file: $!";
2964 };
2965 }
2966
2967# my $AFTER = Event::time;
2968# warn $AFTER - $NOW;#d#
2969
2970 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3964 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971 $sig->send; 3965 $sig->send;
2972 } 3966 }
2973 while (my $sig = shift @WAIT_FOR_TICK) { 3967 while (my $sig = shift @WAIT_FOR_TICK) {
2974 $sig->send; 3968 $sig->send;
2975 } 3969 }
2976 3970
2977 $NOW = Event::time; 3971 $LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979 # if we are delayed by four ticks or more, skip them all
2980 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982 $TICK_WATCHER->at ($NEXT_TICK);
2983 $TICK_WATCHER->start;
2984
2985 $LOAD = ($NOW - $tick_start) / $TICK;
2986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3972 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987 3973
2988 _post_tick; 3974 if (0) {
2989 3975 if ($NEXT_TICK) {
2990 3976 my $jitter = $TICK_START - $NEXT_TICK;
3977 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3978 warn "jitter $JITTER\n";#d#
3979 }
2991 }, 3980 }
2992); 3981}
2993 3982
2994{ 3983{
2995 BDB::max_poll_time $TICK * 0.1; 3984 # configure BDB
2996 $BDB_POLL_WATCHER = Event->io ( 3985
2997 reentrant => 0,
2998 fd => BDB::poll_fileno,
2999 poll => 'r',
3000 prio => 0,
3001 data => WF_AUTOCANCEL,
3002 cb => \&BDB::poll_cb,
3003 );
3004 BDB::min_parallel 8; 3986 BDB::min_parallel 16;
3005 3987 BDB::max_poll_reqs $TICK * 0.1;
3006 BDB::set_sync_prepare { 3988 $AnyEvent::BDB::WATCHER->priority (1);
3007 my $status;
3008 my $current = $Coro::current;
3009 (
3010 sub {
3011 $status = $!;
3012 $current->ready; undef $current;
3013 },
3014 sub {
3015 Coro::schedule while defined $current;
3016 $! = $status;
3017 },
3018 )
3019 };
3020 3989
3021 unless ($DB_ENV) { 3990 unless ($DB_ENV) {
3022 $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);
3023 3997
3024 cf::sync_job { 3998 cf::sync_job {
3025 eval { 3999 eval {
3026 BDB::db_env_open 4000 BDB::db_env_open
3027 $DB_ENV, 4001 $DB_ENV,
3029 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
3030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031 0666; 4005 0666;
3032 4006
3033 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036 $DB_ENV->set_lk_detect;
3037 }; 4008 };
3038 4009
3039 cf::cleanup "db_env_open(db): $@" if $@; 4010 cf::cleanup "db_env_open(db): $@" if $@;
3040 }; 4011 };
3041 } 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 };
3042} 4023}
3043 4024
3044{ 4025{
4026 # configure IO::AIO
4027
3045 IO::AIO::min_parallel 8; 4028 IO::AIO::min_parallel 8;
3046
3047 undef $Coro::AIO::WATCHER;
3048 IO::AIO::max_poll_time $TICK * 0.1; 4029 IO::AIO::max_poll_time $TICK * 0.1;
3049 $AIO_POLL_WATCHER = Event->io ( 4030 undef $AnyEvent::AIO::WATCHER;
3050 reentrant => 0,
3051 data => WF_AUTOCANCEL,
3052 fd => IO::AIO::poll_fileno,
3053 poll => 'r',
3054 prio => 6,
3055 cb => \&IO::AIO::poll_cb,
3056 );
3057} 4031}
3058 4032
3059my $_log_backtrace; 4033my $_log_backtrace;
3060 4034
3061sub _log_backtrace { 4035sub _log_backtrace {
3064 $msg =~ s/\n//; 4038 $msg =~ s/\n//;
3065 4039
3066 # limit the # of concurrent backtraces 4040 # limit the # of concurrent backtraces
3067 if ($_log_backtrace < 2) { 4041 if ($_log_backtrace < 2) {
3068 ++$_log_backtrace; 4042 ++$_log_backtrace;
4043 my $perl_bt = Carp::longmess $msg;
3069 async { 4044 async {
4045 $Coro::current->{desc} = "abt $msg";
4046
3070 my @bt = fork_call { 4047 my @bt = fork_call {
3071 @addr = map { sprintf "%x", $_ } @addr; 4048 @addr = map { sprintf "%x", $_ } @addr;
3072 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4049 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073 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 |"
3074 or die "addr2line: $!"; 4051 or die "addr2line: $!";
3082 } 4059 }
3083 4060
3084 @funcs 4061 @funcs
3085 }; 4062 };
3086 4063
3087 LOG llevInfo, "[ABT] $msg\n"; 4064 LOG llevInfo, "[ABT] $perl_bt\n";
4065 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088 LOG llevInfo, "[ABT] $_\n" for @bt; 4066 LOG llevInfo, "[ABT] $_\n" for @bt;
3089 --$_log_backtrace; 4067 --$_log_backtrace;
3090 }; 4068 };
3091 } else { 4069 } else {
3092 LOG llevInfo, "[ABT] $msg\n"; 4070 LOG llevInfo, "[ABT] $msg\n";
3093 LOG llevInfo, "[ABT] [suppressed]\n"; 4071 LOG llevInfo, "[ABT] [suppressed]\n";
3094 } 4072 }
3095} 4073}
3096 4074
3097# load additional modules 4075# load additional modules
3098use cf::pod; 4076require "cf/$_.pm" for @EXTRA_MODULES;
4077cf::_connect_to_perl_2;
3099 4078
3100END { cf::emergency_save } 4079END { cf::emergency_save }
3101 4080
31021 40811
3103 4082

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