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Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.503 by root, Sat Jan 30 23:46:39 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify 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';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 276@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
277@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 278@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 279
194# we bless all objects into (empty) derived classes to force a method lookup 280# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 281# within the Safe compartment.
196for my $pkg (qw( 282for my $pkg (qw(
197 cf::global cf::attachable 283 cf::global cf::attachable
198 cf::object cf::object::player 284 cf::object cf::object::player
199 cf::client cf::player 285 cf::client cf::player
200 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
201 cf::map cf::party cf::region 288 cf::party cf::region
202)) { 289)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 291}
206 292
207$Event::DIED = sub { 293$EV::DIED = sub {
208 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
209}; 295};
296
297#############################################################################
210 298
211=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
212 300
213=over 4 301=over 4
214 302
… …
233 $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;
234 $d 322 $d
235 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
236} 324}
237 325
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
241 327
242Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
243 329
244=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
245 331
246Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
247 333
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
248=item cf::lock_wait $string 355=item cf::lock_wait $string
249 356
250Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
251 358
252=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
253 360
254Wait 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
255a 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,
256for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
257returned. 364returned.
258 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
259Lock 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
260uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
261 371
262=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
263 373
264Return 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.
265 375
266=cut 376=cut
267 377
268our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
269 379
270sub lock_wait($) { 380sub lock_wait($) {
271 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 382}
279 383
280sub lock_acquire($) { 384sub lock_acquire($) {
281 my ($key) = @_; 385 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 386}
293 387
294sub lock_active($) { 388sub lock_active($) {
295 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 390}
299 391
300sub freeze_mainloop { 392sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
302 394
303 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
304 $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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
305 }; 462 }
306 $TICK_WATCHER->stop; 463};
307 $guard 464
465sub get_slot($;$$) {
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 $sig->wait;
308} 478}
309 479
310=item cf::async { BLOCK } 480=item cf::async { BLOCK }
311 481
312Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
317 487
318BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
319 489
320=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
321 491
322The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
325 496
326If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
329fast or be very important. 500fast or be very important.
… …
332 503
333sub sync_job(&) { 504sub sync_job(&) {
334 my ($job) = @_; 505 my ($job) = @_;
335 506
336 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 508 my $time = EV::time;
338 509
339 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
341 512
342 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 514
344 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
345 516
346 my $busy = 1; 517 my $busy = 1;
347 my @res; 518 my @res;
348 519
349 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 522 @res = eval { $job->() };
351 warn $@ if $@; 523 warn $@ if $@;
352 undef $busy; 524 undef $busy;
353 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
354 526
355 while ($busy) { 527 while ($busy) {
356 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
357 } 532 }
533 }
358 534
359 $time = Event::time - $time; 535 my $time = EV::time - $time;
360 536
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 537 $TICK_START += $time; # do not account sync jobs to server load
365 538
366 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
367 } else { 540 } else {
368 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
369 542
… …
389 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
390 563
391 $coro 564 $coro
392} 565}
393 566
394sub write_runtime { 567=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 568
397 # first touch the runtime file to show we are still running: 569Executes the given code block with the given arguments in a seperate
398 # 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.
399 573
400 IO::AIO::aio_utime $runtime, undef, undef; 574=cut
401 575
402 my $guard = cf::lock_acquire "write_runtime"; 576sub fork_call(&@) {
577 my ($cb, @args) = @_;
403 578
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 579 # we seemingly have to make a local copy of the whole thing,
405 or return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
406 582
407 my $value = $cf::RUNTIME + 90 + 10; 583 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 584 reset_signals;
409 # 60 allows for the watchdog to kill the server. 585 &$cb
586 }, @args;
410 587
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 588 wantarray ? @res : $res[-1]
412 and return; 589}
413 590
414 # always fsync - this file is important 591=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 592
418 # touch it again to show we are up-to-date 593=cut
419 aio_utime $fh, undef, undef;
420 594
421 close $fh 595our %coin_alias = (
422 or return; 596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
423 611
424 aio_rename "$runtime~", $runtime 612sub coin_from_name($) {
425 and return; 613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
426 617
427 warn "runtime file written.\n";#d# 618=item $value = cf::db_get $family => $key
428 619
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($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
429 1 667 }
668}
669
670sub db_put($$$) {
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"
430} 743}
431 744
432=item cf::datalog type => key => value, ... 745=item cf::datalog type => key => value, ...
433 746
434Log 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.
… …
446 759
447############################################################################# 760#############################################################################
448 761
449=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
450 763
451Many 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
452attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
454 767
455In 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>
456C<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
457crossfire+). 770Deliantra).
458 771
459=over 4 772=over 4
460 773
461=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
462 775
… …
506=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
507 820
508Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
510 823
511Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
512that 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.
513 826
514These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
515 828
516=over 4 829=over 4
… …
664 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
665 } 978 }
666 979
667 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
668 } else { 981 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 983 }
671 984
672 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
673} 986}
674 987
… …
714 "; 1027 ";
715 die if $@; 1028 die if $@;
716} 1029}
717 1030
718our $override; 1031our $override;
719our @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?
720 1033
721sub override { 1034sub override {
722 $override = 1; 1035 $override = 1;
723 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
724} 1037}
725 1038
726sub do_invoke { 1039sub do_invoke {
727 my $event = shift; 1040 my $event = shift;
728 my $callbacks = shift; 1041 my $callbacks = shift;
729 1042
730 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
731 1044
732 local $override; 1045 local $override;
733 1046
734 for (@$callbacks) { 1047 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
744 } 1057 }
745 1058
746 0 1059 0
747} 1060}
748 1061
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1063
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1065
753Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
754 1067
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1071
759=back 1072=back
760 1073
761=cut 1074=cut
762 1075
763############################################################################# 1076#############################################################################
764# 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, $ob2
1119}
765 1120
766sub reattach { 1121sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1123 my ($obj) = @_;
769 1124
1125 # no longer needed after getting rid of delete_package?
770 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
771 1127
772 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
773 1129
774 @$registry = (); 1130 @$registry = ();
775 1131
… …
790cf::attachable->attach ( 1146cf::attachable->attach (
791 prio => -1000000, 1147 prio => -1000000,
792 on_instantiate => sub { 1148 on_instantiate => sub {
793 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
794 1150
795 $data = from_json $data; 1151 $data = decode_json $data;
796 1152
797 for (@$data) { 1153 for (@$data) {
798 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
799 1155
800 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1172sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
818 1174
819 sync_job { 1175 sync_job {
820 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
823 1180
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 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 }
828 close $fh; 1188 aio_close $fh;
829 1189
830 if (@$objs) { 1190 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
835 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 }
836 close $fh; 1199 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
838 } 1201 }
839 } else { 1202 } else {
840 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
841 } 1204 }
842 1205
843 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1210 } else {
845 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
846 } 1212 }
847 } else { 1213 } else {
848 aio_unlink $filename; 1214 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
850 } 1216 }
851 } 1217 };
852} 1218}
853 1219
854sub object_freezer_as_string { 1220sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
856 1222
… …
868 or return; 1234 or return;
869 1235
870 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
872 or return; 1238 or return;
1239
873 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
874 } 1242 }
875 1243
1244 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
878 return ($data, $av); 1248 ($data, $av)
879} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
880 1256
881############################################################################# 1257#############################################################################
882# command handling &c 1258# command handling &c
883 1259
884=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1274}
899 1275
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1277
902Register 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.
903 1283
904If 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
905called. 1285called.
906 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
907=cut 1298=cut
908 1299
909sub register_extcmd { 1300sub register_extcmd {
910 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
911 1302
912 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
913} 1304}
1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
914 1313
915cf::player->attach ( 1314cf::player->attach (
916 on_command => sub { 1315 on_command => sub {
917 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
918 1317
… …
926 cf::override; 1325 cf::override;
927 }, 1326 },
928 on_extcmd => sub { 1327 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
930 1329
931 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1331
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
939 } else { 1347 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1349 }
942 1350
943 cf::override; 1351 cf::override;
944 }, 1352 },
945); 1353);
946 1354
1355# "readahead" all extensions
947sub load_extension { 1356sub cache_extensions {
948 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
949 1358
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1362 }
975 die $@;
976 } 1363 };
977 1364
978 push @EXTS, $pkg; 1365 $grp
979} 1366}
980 1367
981sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
982 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1373 next unless -r $path;
984 eval { 1374
985 load_extension $ext; 1375 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1376 my $base = $1;
1377 my $pkg = $1;
1378 $pkg =~ s/[^[:word:]]/_/g;
1379 $pkg = "ext::$pkg";
1380
1381 open my $fh, "<:utf8", $path
1382 or die "$path: $!";
1383
1384 my $source = do { local $/; <$fh> };
1385
1386 my %ext = (
1387 path => $path,
1388 base => $base,
1389 pkg => $pkg,
1390 );
1391
1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1394
1395 $ext{source} =
1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1397 . "#line 1 \"$path\"\n{\n"
1398 . $source
1399 . "\n};\n1";
1400
1401 $todo{$base} = \%ext;
1402 }
1403
1404 my %done;
1405 while (%todo) {
1406 my $progress;
1407
1408 while (my ($k, $v) = each %todo) {
1409 for (split /,\s*/, $v->{meta}{depends}) {
1410 goto skip
1411 unless exists $done{$_};
1412 }
1413
1414 warn "... loading '$k' into '$v->{pkg}'\n";
1415
1416 unless (eval $v->{source}) {
1417 my $msg = $@ ? "$v->{path}: $@\n"
1418 : "$v->{base}: extension inactive.\n";
1419
1420 if (exists $v->{meta}{mandatory}) {
1421 warn $msg;
1422 cf::cleanup "mandatory extension failed to load, exiting.";
1423 }
1424
1425 warn $msg;
1426 }
1427
1428 $done{$k} = delete $todo{$k};
1429 push @EXTS, $v->{pkg};
1430 $progress = 1;
986 1 1431 }
987 } or warn "$ext not loaded: $@"; 1432
1433 skip:
1434 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1435 unless $progress;
1436 }
988 } 1437 };
989} 1438}
990 1439
991############################################################################# 1440#############################################################################
992 1441
1442=back
1443
993=head2 CORE EXTENSIONS 1444=head2 CORE EXTENSIONS
994 1445
995Functions and methods that extend core crossfire objects. 1446Functions and methods that extend core deliantra objects.
996 1447
997=cut 1448=cut
998 1449
999package cf::player; 1450package cf::player;
1000 1451
1001use Coro::AIO; 1452use Coro::AIO;
1002 1453
1003=head3 cf::player 1454=head3 cf::player
1004 1455
1005=over 4 1456=over 4
1457
1458=item cf::player::num_playing
1459
1460Returns the official number of playing players, as per the Crossfire metaserver rules.
1461
1462=cut
1463
1464sub num_playing {
1465 scalar grep
1466 $_->ob->map
1467 && !$_->hidden
1468 && !$_->ob->flag (cf::FLAG_WIZ),
1469 cf::player::list
1470}
1006 1471
1007=item cf::player::find $login 1472=item cf::player::find $login
1008 1473
1009Returns the given player object, loading it if necessary (might block). 1474Returns the given player object, loading it if necessary (might block).
1010 1475
… …
1029 1494
1030sub exists($) { 1495sub exists($) {
1031 my ($login) = @_; 1496 my ($login) = @_;
1032 1497
1033 $cf::PLAYER{$login} 1498 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1499 or !aio_stat path $login
1035} 1500}
1036 1501
1037sub find($) { 1502sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1503 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1504 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1511 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1512 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1513 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1514 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1515
1051 my $pl = load_pl path $login 1516 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1517 or return;
1518
1519 my $pl = cf::player::load_pl $f
1520 or return;
1521
1522 local $cf::PLAYER_LOADING{$login} = $pl;
1523 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1524 $cf::PLAYER{$login} = $pl
1054 } 1525 }
1055 } 1526 }
1056} 1527}
1057 1528
… …
1066 return if $pl->{deny_save}; 1537 return if $pl->{deny_save};
1067 1538
1068 aio_mkdir playerdir $pl, 0770; 1539 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1540 $pl->{last_save} = $cf::RUNTIME;
1070 1541
1542 cf::get_slot 0.01;
1543
1071 $pl->save_pl ($path); 1544 $pl->save_pl ($path);
1072 Coro::cede; 1545 cf::cede_to_tick;
1073} 1546}
1074 1547
1075sub new($) { 1548sub new($) {
1076 my ($login) = @_; 1549 my ($login) = @_;
1077 1550
… …
1083 $cf::PLAYER{$login} = $self; 1556 $cf::PLAYER{$login} = $self;
1084 1557
1085 $self 1558 $self
1086} 1559}
1087 1560
1561=item $player->send_msg ($channel, $msg, $color, [extra...])
1562
1563=cut
1564
1565sub send_msg {
1566 my $ns = shift->ns
1567 or return;
1568 $ns->send_msg (@_);
1569}
1570
1088=item $pl->quit_character 1571=item $pl->quit_character
1089 1572
1090Nukes the player without looking back. If logged in, the connection will 1573Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1574be destroyed. May block for a long time.
1092 1575
… …
1096 my ($pl) = @_; 1579 my ($pl) = @_;
1097 1580
1098 my $name = $pl->ob->name; 1581 my $name = $pl->ob->name;
1099 1582
1100 $pl->{deny_save} = 1; 1583 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1584 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1585
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1586 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1587 $pl->deactivate;
1588 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1589 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1590 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1591 $pl->ns->destroy if $pl->ns;
1107 1592
1108 my $path = playerdir $pl; 1593 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1594 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1630 or return [];
1146 1631
1147 my @logins; 1632 my @logins;
1148 1633
1149 for my $login (@$dirs) { 1634 for my $login (@$dirs) {
1635 my $path = path $login;
1636
1637 # a .pst is a dead give-away for a valid player
1638 # if no pst file found, open and chekc for blocked users
1639 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1640 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1641 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1642 $buf !~ /^password -------------$/m or next; # official not-valid tag
1643 }
1153 1644
1154 utf8::decode $login; 1645 utf8::decode $login;
1155 push @logins, $login; 1646 push @logins, $login;
1156 } 1647 }
1157 1648
… …
1184 } 1675 }
1185 1676
1186 \@paths 1677 \@paths
1187} 1678}
1188 1679
1680=item $protocol_xml = $player->expand_cfpod ($cfpod)
1681
1682Expand deliantra pod fragments into protocol xml.
1683
1189=item $player->ext_reply ($msgid, %msg) 1684=item $player->ext_reply ($msgid, @msg)
1190 1685
1191Sends an ext reply to the player. 1686Sends an ext reply to the player.
1192 1687
1193=cut 1688=cut
1194 1689
1195sub ext_reply($$%) { 1690sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1691 my ($self, $id, @msg) = @_;
1197 1692
1198 $msg{msgid} = $id; 1693 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1694}
1202 1695
1203=item $player->ext_event ($type, %msg) 1696=item $player->ext_msg ($type, @msg)
1204 1697
1205Sends an ext event to the client. 1698Sends an ext event to the client.
1206 1699
1207=cut 1700=cut
1208 1701
1209sub ext_event($$%) { 1702sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1703 my ($self, $type, @msg) = @_;
1211 1704
1212 $self->ns->ext_event ($type, %msg); 1705 $self->ns->ext_msg ($type, @msg);
1213} 1706}
1214 1707
1215=head3 cf::region 1708=head3 cf::region
1216 1709
1217=over 4 1710=over 4
… …
1220 1713
1221package cf::region; 1714package cf::region;
1222 1715
1223=item cf::region::find_by_path $path 1716=item cf::region::find_by_path $path
1224 1717
1225Tries to decuce the probable region for a map knowing only its path. 1718Tries to decuce the likely region for a map knowing only its path.
1226 1719
1227=cut 1720=cut
1228 1721
1229sub find_by_path($) { 1722sub find_by_path($) {
1230 my ($path) = @_; 1723 my ($path) = @_;
1231 1724
1232 my ($match, $specificity); 1725 my ($match, $specificity);
1233 1726
1234 for my $region (list) { 1727 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1728 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1729 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1730 if $region->specificity > $specificity;
1238 } 1731 }
1239 } 1732 }
1240 1733
… …
1261our $MAX_RESET = 3600; 1754our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1755our $DEFAULT_RESET = 3000;
1263 1756
1264sub generate_random_map { 1757sub generate_random_map {
1265 my ($self, $rmp) = @_; 1758 my ($self, $rmp) = @_;
1759
1760 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1761
1266 # mit "rum" bekleckern, nicht 1762 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1763 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1764 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1765 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1766 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1800 my ($self, $merge) = @_;
1305 1801
1306 # we have to keep some variables in memory intact 1802 # we have to keep some variables in memory intact
1307 local $self->{path}; 1803 local $self->{path};
1308 local $self->{load_path}; 1804 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1805
1312 $self->SUPER::thawer_merge ($merge); 1806 $self->SUPER::thawer_merge ($merge);
1313} 1807}
1314 1808
1315sub normalise { 1809sub normalise {
… …
1362 $self->init; # pass $1 etc. 1856 $self->init; # pass $1 etc.
1363 return $self; 1857 return $self;
1364 } 1858 }
1365 } 1859 }
1366 1860
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1861 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1862 ()
1369} 1863}
1370 1864
1371sub init { 1865sub init {
1372 my ($self) = @_; 1866 my ($self) = @_;
… …
1394 1888
1395# the temporary/swap location 1889# the temporary/swap location
1396sub save_path { 1890sub save_path {
1397 my ($self) = @_; 1891 my ($self) = @_;
1398 1892
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1893 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1894 "$TMPDIR/$path.map"
1401} 1895}
1402 1896
1403# the unique path, undef == no special unique path 1897# the unique path, undef == no special unique path
1404sub uniq_path { 1898sub uniq_path {
1405 my ($self) = @_; 1899 my ($self) = @_;
1406 1900
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1901 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1902 "$UNIQUEDIR/$path"
1409} 1903}
1410 1904
1411# and all this just because we cannot iterate over 1905sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1906 my ($self) = @_;
1415 1907
1416 $_->change_map_light ($change) 1908 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1909
1910 $self->do_decay_objects;
1418} 1911}
1419 1912
1420sub unlink_save { 1913sub unlink_save {
1421 my ($self) = @_; 1914 my ($self) = @_;
1422 1915
… …
1427 1920
1428sub load_header_from($) { 1921sub load_header_from($) {
1429 my ($self, $path) = @_; 1922 my ($self, $path) = @_;
1430 1923
1431 utf8::encode $path; 1924 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1925 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1926 or return;
1927
1928 $self->_load_header ($f)
1929 or return;
1930
1931 local $MAP_LOADING{$self->{path}} = $self;
1932 $f->resolve_delayed_derefs;
1437 1933
1438 $self->{load_path} = $path; 1934 $self->{load_path} = $path;
1439 1935
1440 1 1936 1
1441} 1937}
… …
1480 $self->load_header_orig 1976 $self->load_header_orig
1481 or return; 1977 or return;
1482 $self->prepare_orig; 1978 $self->prepare_orig;
1483 } 1979 }
1484 1980
1981 $self->{deny_reset} = 1
1982 if $self->no_reset;
1983
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1984 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1985 unless $self->default_region;
1487 1986
1488 1 1987 1
1489} 1988}
… …
1492sub find { 1991sub find {
1493 my ($path, $origin) = @_; 1992 my ($path, $origin) = @_;
1494 1993
1495 $path = normalise $path, $origin && $origin->path; 1994 $path = normalise $path, $origin && $origin->path;
1496 1995
1996 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1997 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1998
1499 $cf::MAP{$path} || do { 1999 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 2000 my $map = new_from_path cf::map $path
1502 or return; 2001 or return;
1503 2002
1504 $map->{last_save} = $cf::RUNTIME; 2003 $map->{last_save} = $cf::RUNTIME;
1505 2004
1506 $map->load_header 2005 $map->load_header
1507 or return; 2006 or return;
1508 2007
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2008 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2009 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2010 #$cf::WAIT_FOR_TICK->wait;
2011 undef $guard2;
2012 undef $guard1;
1512 $map->reset; 2013 $map->reset;
1513 undef $guard;
1514 return find $path; 2014 return find $path;
1515 } 2015 }
1516 2016
1517 $cf::MAP{$path} = $map 2017 $cf::MAP{$path} = $map
1518 } 2018 }
1519} 2019}
1520 2020
1521sub pre_load { } 2021sub pre_load { }
1522sub post_load { } 2022#sub post_load { } # XS
1523 2023
1524sub load { 2024sub load {
1525 my ($self) = @_; 2025 my ($self) = @_;
1526 2026
1527 local $self->{deny_reset} = 1; # loading can take a long time 2027 local $self->{deny_reset} = 1; # loading can take a long time
1528 2028
1529 my $path = $self->{path}; 2029 my $path = $self->{path};
1530 2030
1531 { 2031 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2032 my $guard = cf::lock_acquire "map_data:$path";
1533 2033
2034 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2035 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2036
1536 $self->in_memory (cf::MAP_LOADING); 2037 $self->in_memory (cf::MAP_LOADING);
1537 2038
1538 $self->alloc; 2039 $self->alloc;
1539 2040
1540 $self->pre_load; 2041 $self->pre_load;
1541 Coro::cede; 2042 cf::cede_to_tick;
1542 2043
2044 my $f = new_from_file cf::object::thawer $self->{load_path};
2045 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2046 $self->_load_objects ($f)
1544 or return; 2047 or return;
1545 2048
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2049 $self->post_load_original
1547 if delete $self->{load_original}; 2050 if delete $self->{load_original};
1548 2051
1549 if (my $uniq = $self->uniq_path) { 2052 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2053 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2054 unless (aio_stat $uniq) {
2055 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2056 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2057 $self->_load_objects ($f);
2058 $f->resolve_delayed_derefs;
2059 }
1554 } 2060 }
1555 } 2061 }
1556 2062
1557 Coro::cede; 2063 $f->resolve_delayed_derefs;
2064
2065 cf::cede_to_tick;
1558 # now do the right thing for maps 2066 # now do the right thing for maps
1559 $self->link_multipart_objects; 2067 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2068 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2069 unless $self->difficulty;
1562 Coro::cede; 2070 cf::cede_to_tick;
1563 2071
1564 unless ($self->{deny_activate}) { 2072 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2073 $self->decay_objects;
1566 $self->fix_auto_apply; 2074 $self->fix_auto_apply;
1567 $self->update_buttons; 2075 $self->update_buttons;
1568 Coro::cede; 2076 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2077 $self->activate;
1572 } 2078 }
1573 2079
2080 $self->{last_save} = $cf::RUNTIME;
2081 $self->last_access ($cf::RUNTIME);
2082
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2083 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2084 }
1576 2085
1577 $self->post_load; 2086 $self->post_load;
1578} 2087}
1579 2088
… …
1581 my ($self, $ob) = @_; 2090 my ($self, $ob) = @_;
1582 2091
1583 return find "~" . $ob->name . "/" . $self->{path} 2092 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2093 if $self->per_player;
1585 2094
2095# return find "?party/" . $ob->name . "/" . $self->{path}
2096# if $self->per_party;
2097
1586 $self 2098 $self
1587} 2099}
1588 2100
1589# find and load all maps in the 3x3 area around a map 2101# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2102sub load_neighbours {
1591 my ($map) = @_; 2103 my ($map) = @_;
1592 2104
1593 my @diag; # diagonal neighbours 2105 my @neigh; # diagonal neighbours
1594 2106
1595 for (0 .. 3) { 2107 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2108 my $neigh = $map->tile_path ($_)
1597 or next; 2109 or next;
1598 $neigh = find $neigh, $map 2110 $neigh = find $neigh, $map
1599 or next; 2111 or next;
1600 $neigh->load; 2112 $neigh->load;
1601 2113
2114 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2115 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2116 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2117 }
1605 2118
1606 for (@diag) { 2119 for (grep defined $_->[0], @neigh) {
2120 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2121 my $neigh = find $path, $origin
1608 or next; 2122 or next;
1609 $neigh->load; 2123 $neigh->load;
1610 } 2124 }
1611} 2125}
1612 2126
… …
1617} 2131}
1618 2132
1619sub do_load_sync { 2133sub do_load_sync {
1620 my ($map) = @_; 2134 my ($map) = @_;
1621 2135
2136 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2137 if $Coro::current == $Coro::main;
2138
1622 cf::sync_job { $map->load }; 2139 cf::sync_job { $map->load };
1623} 2140}
1624 2141
1625our %MAP_PREFETCH; 2142our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2143our $MAP_PREFETCHER = undef;
1627 2144
1628sub find_async { 2145sub find_async {
1629 my ($path, $origin) = @_; 2146 my ($path, $origin, $load) = @_;
1630 2147
1631 $path = normalise $path, $origin && $origin->{path}; 2148 $path = normalise $path, $origin && $origin->{path};
1632 2149
1633 if (my $map = $cf::MAP{$path}) { 2150 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2151 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2152 }
1636 2153
1637 undef $MAP_PREFETCH{$path}; 2154 $MAP_PREFETCH{$path} |= $load;
2155
1638 $MAP_PREFETCHER ||= cf::async { 2156 $MAP_PREFETCHER ||= cf::async {
2157 $Coro::current->{desc} = "map prefetcher";
2158
1639 while (%MAP_PREFETCH) { 2159 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2160 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2161 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2162 $map->load if $v;
2163 }
1644 2164
1645 delete $MAP_PREFETCH{$path}; 2165 delete $MAP_PREFETCH{$k};
1646 } 2166 }
1647 } 2167 }
1648 undef $MAP_PREFETCHER; 2168 undef $MAP_PREFETCHER;
1649 }; 2169 };
1650 $MAP_PREFETCHER->prio (6); 2170 $MAP_PREFETCHER->prio (6);
… …
1653} 2173}
1654 2174
1655sub save { 2175sub save {
1656 my ($self) = @_; 2176 my ($self) = @_;
1657 2177
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2178 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2179
1660 $self->{last_save} = $cf::RUNTIME; 2180 $self->{last_save} = $cf::RUNTIME;
1661 2181
1662 return unless $self->dirty; 2182 return unless $self->dirty;
1663 2183
… …
1669 return if $self->{deny_save}; 2189 return if $self->{deny_save};
1670 2190
1671 local $self->{last_access} = $self->last_access;#d# 2191 local $self->{last_access} = $self->last_access;#d#
1672 2192
1673 cf::async { 2193 cf::async {
2194 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2195 $_->contr->save for $self->players;
1675 }; 2196 };
2197
2198 cf::get_slot 0.02;
1676 2199
1677 if ($uniq) { 2200 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2201 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2202 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2203 } else {
… …
1686 my ($self) = @_; 2209 my ($self) = @_;
1687 2210
1688 # save first because save cedes 2211 # save first because save cedes
1689 $self->save; 2212 $self->save;
1690 2213
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2214 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2215
1693 return if $self->players; 2216 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2217 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2218 return if $self->{deny_save};
1696 2219
2220 $self->in_memory (cf::MAP_SWAPPED);
2221
2222 $self->deactivate;
2223 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2224 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2225}
1700 2226
1701sub reset_at { 2227sub reset_at {
1702 my ($self) = @_; 2228 my ($self) = @_;
1703 2229
1704 # TODO: safety, remove and allow resettable per-player maps 2230 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2231 return 1e99 if $self->{deny_reset};
1707 2232
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2233 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2234 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2235
… …
1721 my ($self) = @_; 2246 my ($self) = @_;
1722 2247
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2248 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2249
1725 return if $self->players; 2250 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2251
1728 warn "resetting map ", $self->path;#d# 2252 warn "resetting map ", $self->path, "\n";
1729 2253
1730 $self->in_memory (cf::MAP_SWAPPED); 2254 $self->in_memory (cf::MAP_SWAPPED);
1731 2255
1732 # need to save uniques path 2256 # need to save uniques path
1733 unless ($self->{deny_save}) { 2257 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2261 if $uniq;
1738 } 2262 }
1739 2263
1740 delete $cf::MAP{$self->path}; 2264 delete $cf::MAP{$self->path};
1741 2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2268 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2269
1746 $self->unlink_save; 2270 $self->unlink_save;
1747 $self->destroy; 2271 $self->destroy;
1748} 2272}
1749 2273
1750my $nuke_counter = "aaaa"; 2274my $nuke_counter = "aaaa";
1751 2275
1752sub nuke { 2276sub nuke {
1753 my ($self) = @_; 2277 my ($self) = @_;
1754 2278
2279 {
2280 my $lock = cf::lock_acquire "map_data:$self->{path}";
2281
1755 delete $cf::MAP{$self->path}; 2282 delete $cf::MAP{$self->path};
1756 2283
1757 $self->unlink_save; 2284 $self->unlink_save;
1758 2285
1759 bless $self, "cf::map"; 2286 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2287 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2288 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2289 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2290 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2291
1765 $cf::MAP{$self->path} = $self; 2292 $cf::MAP{$self->path} = $self;
2293 }
1766 2294
1767 $self->reset; # polite request, might not happen 2295 $self->reset; # polite request, might not happen
2296}
2297
2298=item $maps = cf::map::tmp_maps
2299
2300Returns an arrayref with all map paths of currently instantiated and saved
2301maps. May block.
2302
2303=cut
2304
2305sub tmp_maps() {
2306 [
2307 map {
2308 utf8::decode $_;
2309 /\.map$/
2310 ? normalise $_
2311 : ()
2312 } @{ aio_readdir $TMPDIR or [] }
2313 ]
2314}
2315
2316=item $maps = cf::map::random_maps
2317
2318Returns an arrayref with all map paths of currently instantiated and saved
2319random maps. May block.
2320
2321=cut
2322
2323sub random_maps() {
2324 [
2325 map {
2326 utf8::decode $_;
2327 /\.map$/
2328 ? normalise "?random/$_"
2329 : ()
2330 } @{ aio_readdir $RANDOMDIR or [] }
2331 ]
1768} 2332}
1769 2333
1770=item cf::map::unique_maps 2334=item cf::map::unique_maps
1771 2335
1772Returns an arrayref of paths of all shared maps that have 2336Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2337instantiated unique items. May block.
1774 2338
1775=cut 2339=cut
1776 2340
1777sub unique_maps() { 2341sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2342 [
1779 or return; 2343 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2344 utf8::decode $_;
1785 next if /\.pst$/; 2345 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2346 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2347 ? ()
1788 push @paths, cf::map::normalise $_; 2348 : normalise $_
2349 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2350 ]
1790
1791 \@paths
1792} 2351}
1793 2352
1794package cf; 2353=item cf::map::static_maps
2354
2355Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2356file in the shared directory excluding F</styles> and F</editor>). May
2357block.
2358
2359=cut
2360
2361sub static_maps() {
2362 my @dirs = "";
2363 my @maps;
2364
2365 while (@dirs) {
2366 my $dir = shift @dirs;
2367
2368 next if $dir eq "/styles" || $dir eq "/editor";
2369
2370 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2371 or return;
2372
2373 for (@$files) {
2374 s/\.map$// or next;
2375 utf8::decode $_;
2376 push @maps, "$dir/$_";
2377 }
2378
2379 push @dirs, map "$dir/$_", @$dirs;
2380 }
2381
2382 \@maps
2383}
1795 2384
1796=back 2385=back
1797 2386
1798=head3 cf::object 2387=head3 cf::object
1799 2388
… …
1803 2392
1804=over 4 2393=over 4
1805 2394
1806=item $ob->inv_recursive 2395=item $ob->inv_recursive
1807 2396
1808Returns the inventory of the object _and_ their inventories, recursively. 2397Returns the inventory of the object I<and> their inventories, recursively,
2398but I<not> the object itself.
1809 2399
1810=cut 2400=cut
1811 2401
1812sub inv_recursive_; 2402sub inv_recursive_;
1813sub inv_recursive_ { 2403sub inv_recursive_ {
… …
1816 2406
1817sub inv_recursive { 2407sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2408 inv_recursive_ inv $_[0]
1819} 2409}
1820 2410
2411=item $ref = $ob->ref
2412
2413Creates and returns a persistent reference to an object that can be stored as a string.
2414
2415=item $ob = cf::object::deref ($refstring)
2416
2417returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2418even if the object actually exists. May block.
2419
2420=cut
2421
2422sub deref {
2423 my ($ref) = @_;
2424
2425 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2426 my ($uuid, $name) = ($1, $2);
2427 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2428 or return;
2429 $pl->ob->uuid eq $uuid
2430 or return;
2431
2432 $pl->ob
2433 } else {
2434 warn "$ref: cannot resolve object reference\n";
2435 undef
2436 }
2437}
2438
1821package cf; 2439package cf;
1822 2440
1823=back 2441=back
1824 2442
1825=head3 cf::object::player 2443=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2449Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2450can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2451dialogue with the given NPC character.
1834 2452
1835=cut 2453=cut
2454
2455our $SAY_CHANNEL = {
2456 id => "say",
2457 title => "Map",
2458 reply => "say ",
2459 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2460};
2461
2462our $CHAT_CHANNEL = {
2463 id => "chat",
2464 title => "Chat",
2465 reply => "chat ",
2466 tooltip => "Player chat and shouts, global to the server.",
2467};
1836 2468
1837# rough implementation of a future "reply" method that works 2469# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2470# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2471#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2472sub cf::object::player::reply($$$;$) {
… …
1842 2474
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2475 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2476
1845 if ($self->{record_replies}) { 2477 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2478 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2479
1847 } else { 2480 } else {
2481 my $pl = $self->contr;
2482
2483 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2484 my $dialog = $pl->{npc_dialog};
2485 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2486
2487 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2488 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2489 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2490 }
1850 } 2491 }
2492}
2493
2494=item $object->send_msg ($channel, $msg, $color, [extra...])
2495
2496=cut
2497
2498sub cf::object::send_msg {
2499 my $pl = shift->contr
2500 or return;
2501 $pl->send_msg (@_);
1851} 2502}
1852 2503
1853=item $player_object->may ("access") 2504=item $player_object->may ("access")
1854 2505
1855Returns wether the given player is authorized to access resource "access" 2506Returns wether the given player is authorized to access resource "access"
… …
1868 2519
1869=item $player_object->enter_link 2520=item $player_object->enter_link
1870 2521
1871Freezes the player and moves him/her to a special map (C<{link}>). 2522Freezes the player and moves him/her to a special map (C<{link}>).
1872 2523
1873The player should be reasonably safe there for short amounts of time. You 2524The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2525for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2526though, as the palyer cannot control the character while it is on the link
2527map.
1875 2528
1876Will never block. 2529Will never block.
1877 2530
1878=item $player_object->leave_link ($map, $x, $y) 2531=item $player_object->leave_link ($map, $x, $y)
1879 2532
… …
1931 ($x, $y) = (-1, -1) 2584 ($x, $y) = (-1, -1)
1932 unless (defined $x) && (defined $y); 2585 unless (defined $x) && (defined $y);
1933 2586
1934 # use -1 or undef as default coordinates, not 0, 0 2587 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2588 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2589 if $x <= 0 && $y <= 0;
1937 2590
1938 $map->load; 2591 $map->load;
1939 $map->load_diag; 2592 $map->load_neighbours;
1940 2593
1941 return unless $self->contr->active; 2594 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2595
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2596 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2597 $self->enter_map ($map, $x, $y);
1946}
1947 2598
2599 # only activate afterwards, to support waiting in hooks
2600 $self->activate_recursive;
2601}
2602
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2603=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2604
1950Moves the player to the given map-path and coordinates by first freezing 2605Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2606her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2607that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2608the new (success) or old (failed) map position. In either case, $done will
2609be called at the end of this process.
2610
2611Note that $check will be called with a potentially non-loaded map, so if
2612it needs a loaded map it has to call C<< ->load >>.
1954 2613
1955=cut 2614=cut
1956 2615
1957our $GOTOGEN; 2616our $GOTOGEN;
1958 2617
1959sub cf::object::player::goto { 2618sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2619 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2620
1962 # do generation counting so two concurrent goto's will be executed in-order 2621 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2622 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2623
1965 $self->enter_link; 2624 $self->enter_link;
1966 2625
1967 (async { 2626 (async {
2627 $Coro::current->{desc} = "player::goto $path $x $y";
2628
2629 # *tag paths override both path and x|y
2630 if ($path =~ /^\*(.*)$/) {
2631 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2632 my $ob = $obs[rand @obs];
2633
2634 # see if we actually can go there
2635 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2636 $ob = $obs[rand @obs];
2637 } else {
2638 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2639 }
2640 # else put us there anyways for now #d#
2641
2642 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2643 } else {
2644 ($path, $x, $y) = (undef, undef, undef);
2645 }
2646 }
2647
1968 my $map = eval { 2648 my $map = eval {
1969 my $map = cf::map::find $path; 2649 my $map = defined $path ? cf::map::find $path : undef;
1970 2650
1971 if ($map) { 2651 if ($map) {
1972 $map = $map->customise_for ($self); 2652 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2653 $map = $check->($map) if $check && $map;
1974 } else { 2654 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2655 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2656 }
1977 2657
1978 $map 2658 $map
1979 }; 2659 };
1980 2660
… …
1985 2665
1986 if ($gen == $self->{_goto_generation}) { 2666 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2667 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2668 $self->leave_link ($map, $x, $y);
1989 } 2669 }
2670
2671 $done->() if $done;
1990 })->prio (1); 2672 })->prio (1);
1991} 2673}
1992 2674
1993=item $player_object->enter_exit ($exit_object) 2675=item $player_object->enter_exit ($exit_object)
1994 2676
… …
2014} 2696}
2015 2697
2016sub prepare_random_map { 2698sub prepare_random_map {
2017 my ($exit) = @_; 2699 my ($exit) = @_;
2018 2700
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2701 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2702 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2703 # that depends on the exit object
2024 2704
2025 my $rmp = parse_random_map_params $exit->msg; 2705 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2707 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2708 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2709 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2710 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2711 $rmp->{origin_y} = $exit->y;
2712
2713 $exit->map->touch;
2032 } 2714 }
2033 2715
2034 $rmp->{random_seed} ||= $exit->random_seed; 2716 $rmp->{random_seed} ||= $exit->random_seed;
2035 2717
2036 my $data = cf::to_json $rmp; 2718 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2719 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2720 my $meta = "$RANDOMDIR/$md5.meta";
2039 2721
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2722 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2723 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2724 undef $fh;
2043 aio_rename "$meta~", $meta; 2725 aio_rename "$meta~", $meta;
2044 2726
2727 my $slaying = "?random/$md5";
2728
2729 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2730 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2731 $exit->msg (undef);
2732 }
2047 } 2733 }
2048} 2734}
2049 2735
2050sub cf::object::player::enter_exit { 2736sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2737 my ($self, $exit) = @_;
2052 2738
2053 return unless $self->type == cf::PLAYER; 2739 return unless $self->type == cf::PLAYER;
2054 2740
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2741 $self->enter_link;
2067 2742
2068 (async { 2743 (async {
2069 $self->deactivate_recursive; # just to be sure 2744 $Coro::current->{desc} = "enter_exit";
2745
2070 unless (eval { 2746 unless (eval {
2747 $self->deactivate_recursive; # just to be sure
2748
2749 # random map handling
2750 {
2751 my $guard = cf::lock_acquire "exit_prepare:$exit";
2752
2753 prepare_random_map $exit
2754 if $exit->slaying eq "/!";
2755 }
2756
2757 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2758 my $x = $exit->stats->hp;
2759 my $y = $exit->stats->sp;
2760
2071 $self->goto ($slaying, $hp, $sp); 2761 $self->goto ($map, $x, $y);
2072 2762
2763 # if exit is damned, update players death & WoR home-position
2764 $self->contr->savebed ($map, $x, $y)
2765 if $exit->flag (cf::FLAG_DAMNED);
2766
2073 1; 2767 1
2074 }) { 2768 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2769 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "I'll try to bring you back to the map you were before. " 2770 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2771 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2772 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2773
2080 warn "ERROR in enter_exit: $@"; 2774 warn "ERROR in enter_exit: $@";
… …
2099 2793
2100 utf8::encode $text; 2794 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2795 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2796}
2103 2797
2798=item $client->send_big_packet ($pkt)
2799
2800Like C<send_packet>, but tries to compress large packets, and fragments
2801them as required.
2802
2803=cut
2804
2805our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2806
2807sub cf::client::send_big_packet {
2808 my ($self, $pkt) = @_;
2809
2810 # try lzf for large packets
2811 $pkt = "lzf " . Compress::LZF::compress $pkt
2812 if 1024 <= length $pkt and $self->{can_lzf};
2813
2814 # split very large packets
2815 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2816 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2817 $pkt = "frag";
2818 }
2819
2820 $self->send_packet ($pkt);
2821}
2822
2823=item $client->send_msg ($channel, $msg, $color, [extra...])
2824
2825Send a drawinfo or msg packet to the client, formatting the msg for the
2826client if neccessary. C<$type> should be a string identifying the type of
2827the message, with C<log> being the default. If C<$color> is negative, suppress
2828the message unless the client supports the msg packet.
2829
2830=cut
2831
2832# non-persistent channels (usually the info channel)
2833our %CHANNEL = (
2834 "c/motd" => {
2835 id => "infobox",
2836 title => "MOTD",
2837 reply => undef,
2838 tooltip => "The message of the day",
2839 },
2840 "c/identify" => {
2841 id => "infobox",
2842 title => "Identify",
2843 reply => undef,
2844 tooltip => "Items recently identified",
2845 },
2846 "c/examine" => {
2847 id => "infobox",
2848 title => "Examine",
2849 reply => undef,
2850 tooltip => "Signs and other items you examined",
2851 },
2852 "c/shopinfo" => {
2853 id => "infobox",
2854 title => "Shop Info",
2855 reply => undef,
2856 tooltip => "What your bargaining skill tells you about the shop",
2857 },
2858 "c/book" => {
2859 id => "infobox",
2860 title => "Book",
2861 reply => undef,
2862 tooltip => "The contents of a note or book",
2863 },
2864 "c/lookat" => {
2865 id => "infobox",
2866 title => "Look",
2867 reply => undef,
2868 tooltip => "What you saw there",
2869 },
2870 "c/who" => {
2871 id => "infobox",
2872 title => "Players",
2873 reply => undef,
2874 tooltip => "Shows players who are currently online",
2875 },
2876 "c/body" => {
2877 id => "infobox",
2878 title => "Body Parts",
2879 reply => undef,
2880 tooltip => "Shows which body parts you posess and are available",
2881 },
2882 "c/statistics" => {
2883 id => "infobox",
2884 title => "Statistics",
2885 reply => undef,
2886 tooltip => "Shows your primary statistics",
2887 },
2888 "c/skills" => {
2889 id => "infobox",
2890 title => "Skills",
2891 reply => undef,
2892 tooltip => "Shows your experience per skill and item power",
2893 },
2894 "c/shopitems" => {
2895 id => "infobox",
2896 title => "Shop Items",
2897 reply => undef,
2898 tooltip => "Shows the items currently for sale in this shop",
2899 },
2900 "c/resistances" => {
2901 id => "infobox",
2902 title => "Resistances",
2903 reply => undef,
2904 tooltip => "Shows your resistances",
2905 },
2906 "c/pets" => {
2907 id => "infobox",
2908 title => "Pets",
2909 reply => undef,
2910 tooltip => "Shows information abotu your pets/a specific pet",
2911 },
2912 "c/perceiveself" => {
2913 id => "infobox",
2914 title => "Perceive Self",
2915 reply => undef,
2916 tooltip => "You gained detailed knowledge about yourself",
2917 },
2918 "c/uptime" => {
2919 id => "infobox",
2920 title => "Uptime",
2921 reply => undef,
2922 tooltip => "How long the server has been running since last restart",
2923 },
2924 "c/mapinfo" => {
2925 id => "infobox",
2926 title => "Map Info",
2927 reply => undef,
2928 tooltip => "Information related to the maps",
2929 },
2930 "c/party" => {
2931 id => "party",
2932 title => "Party",
2933 reply => "gsay ",
2934 tooltip => "Messages and chat related to your party",
2935 },
2936 "c/death" => {
2937 id => "death",
2938 title => "Death",
2939 reply => undef,
2940 tooltip => "Reason for and more info about your most recent death",
2941 },
2942 "c/say" => $SAY_CHANNEL,
2943 "c/chat" => $CHAT_CHANNEL,
2944);
2945
2946sub cf::client::send_msg {
2947 my ($self, $channel, $msg, $color, @extra) = @_;
2948
2949 $msg = $self->pl->expand_cfpod ($msg)
2950 unless $color & cf::NDI_VERBATIM;
2951
2952 $color &= cf::NDI_CLIENT_MASK; # just in case...
2953
2954 # check predefined channels, for the benefit of C
2955 if ($CHANNEL{$channel}) {
2956 $channel = $CHANNEL{$channel};
2957
2958 $self->ext_msg (channel_info => $channel);
2959 $channel = $channel->{id};
2960
2961 } elsif (ref $channel) {
2962 # send meta info to client, if not yet sent
2963 unless (exists $self->{channel}{$channel->{id}}) {
2964 $self->{channel}{$channel->{id}} = $channel;
2965 $self->ext_msg (channel_info => $channel);
2966 }
2967
2968 $channel = $channel->{id};
2969 }
2970
2971 return unless @extra || length $msg;
2972
2973 # default colour, mask it out
2974 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2975 if $color & cf::NDI_DEF;
2976
2977 my $pkt = "msg "
2978 . $self->{json_coder}->encode (
2979 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2980 );
2981
2982 $self->send_big_packet ($pkt);
2983}
2984
2104=item $client->ext_event ($type, %msg) 2985=item $client->ext_msg ($type, @msg)
2105 2986
2106Sends an exti event to the client. 2987Sends an ext event to the client.
2107 2988
2108=cut 2989=cut
2109 2990
2110sub cf::client::ext_event($$%) { 2991sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2992 my ($self, $type, @msg) = @_;
2112 2993
2994 if ($self->extcmd == 2) {
2995 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2996 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2997 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2998 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2999 }
3000}
3001
3002=item $client->ext_reply ($msgid, @msg)
3003
3004Sends an ext reply to the client.
3005
3006=cut
3007
3008sub cf::client::ext_reply($$@) {
3009 my ($self, $id, @msg) = @_;
3010
3011 if ($self->extcmd == 2) {
3012 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3013 } elsif ($self->extcmd == 1) {
3014 #TODO: version 1, remove
3015 unshift @msg, msgtype => "reply", msgid => $id;
3016 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3017 }
2115} 3018}
2116 3019
2117=item $success = $client->query ($flags, "text", \&cb) 3020=item $success = $client->query ($flags, "text", \&cb)
2118 3021
2119Queues a query to the client, calling the given callback with 3022Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3023the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3024C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 3025
2123Queries can fail, so check the return code. Or don't, as queries will become 3026Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 3027become reliable at some point in the future.
2125 3028
2126=cut 3029=cut
2127 3030
2128sub cf::client::query { 3031sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 3032 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 3040 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3041 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 3042
2140 $self->send_packet ($self->{query_queue}[0][0]) 3043 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 3044 if @{ $self->{query_queue} } == 1;
3045
3046 1
2142} 3047}
2143 3048
2144cf::client->attach ( 3049cf::client->attach (
3050 on_connect => sub {
3051 my ($ns) = @_;
3052
3053 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3054 },
2145 on_reply => sub { 3055 on_reply => sub {
2146 my ($ns, $msg) = @_; 3056 my ($ns, $msg) = @_;
2147 3057
2148 # this weird shuffling is so that direct followup queries 3058 # this weird shuffling is so that direct followup queries
2149 # get handled first 3059 # get handled first
… …
2161 } else { 3071 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3072 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3073 }
2164 } 3074 }
2165 }, 3075 },
3076 on_exticmd => sub {
3077 my ($ns, $buf) = @_;
3078
3079 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3080
3081 if (ref $msg) {
3082 my ($type, $reply, @payload) =
3083 "ARRAY" eq ref $msg
3084 ? @$msg
3085 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3086
3087 my @reply;
3088
3089 if (my $cb = $EXTICMD{$type}) {
3090 @reply = $cb->($ns, @payload);
3091 }
3092
3093 $ns->ext_reply ($reply, @reply)
3094 if $reply;
3095
3096 } else {
3097 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3098 }
3099
3100 cf::override;
3101 },
2166); 3102);
2167 3103
2168=item $client->async (\&cb) 3104=item $client->async (\&cb)
2169 3105
2170Create a new coroutine, running the specified callback. The coroutine will 3106Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3147our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3148our $safe_hole = new Safe::Hole;
2213 3149
2214$SIG{FPE} = 'IGNORE'; 3150$SIG{FPE} = 'IGNORE';
2215 3151
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3152$safe->permit_only (Opcode::opset qw(
3153 :base_core :base_mem :base_orig :base_math :base_loop
3154 grepstart grepwhile mapstart mapwhile
3155 sort time
3156));
2217 3157
2218# here we export the classes and methods available to script code 3158# here we export the classes and methods available to script code
2219 3159
2220=pod 3160=pod
2221 3161
2222The following functions and methods are available within a safe environment: 3162The following functions and methods are available within a safe environment:
2223 3163
2224 cf::object contr pay_amount pay_player map 3164 cf::object
3165 contr pay_amount pay_player map x y force_find force_add destroy
3166 insert remove name archname title slaying race decrease split
3167 value
3168
2225 cf::object::player player 3169 cf::object::player
2226 cf::player peaceful 3170 player
2227 cf::map trigger 3171
3172 cf::player
3173 peaceful
3174
3175 cf::map
3176 trigger
2228 3177
2229=cut 3178=cut
2230 3179
2231for ( 3180for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3181 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3182 insert remove inv nrof name archname title slaying race
3183 decrease split destroy change_exp value msg lore send_msg)],
2233 ["cf::object::player" => qw(player)], 3184 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3185 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3186 ["cf::map" => qw(trigger)],
2236) { 3187) {
2237 no strict 'refs'; 3188 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3189 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3190 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2257 3208
2258 my $qcode = $code; 3209 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3210 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3211 $qcode =~ s/\n/\\n/g;
2261 3212
3213 %vars = (_dummy => 0) unless %vars;
3214
3215 my @res;
2262 local $_; 3216 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars;
2264 3217
2265 my $eval = 3218 my $eval =
2266 "do {\n" 3219 "do {\n"
2267 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3220 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268 . "#line 0 \"{$qcode}\"\n" 3221 . "#line 0 \"{$qcode}\"\n"
2269 . $code 3222 . $code
2270 . "\n}" 3223 . "\n}"
2271 ; 3224 ;
2272 3225
3226 if ($CFG{safe_eval}) {
2273 sub_generation_inc; 3227 sub_generation_inc;
3228 local @safe::cf::_safe_eval_args = values %vars;
2274 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3229 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275 sub_generation_inc; 3230 sub_generation_inc;
3231 } else {
3232 local @cf::_safe_eval_args = values %vars;
3233 @res = wantarray ? eval eval : scalar eval $eval;
3234 }
2276 3235
2277 if ($@) { 3236 if ($@) {
2278 warn "$@"; 3237 warn "$@";
2279 warn "while executing safe code '$code'\n"; 3238 warn "while executing safe code '$code'\n";
2280 warn "with arguments " . (join " ", %vars) . "\n"; 3239 warn "with arguments " . (join " ", %vars) . "\n";
… …
2299=cut 3258=cut
2300 3259
2301sub register_script_function { 3260sub register_script_function {
2302 my ($fun, $cb) = @_; 3261 my ($fun, $cb) = @_;
2303 3262
2304 no strict 'refs'; 3263 $fun = "safe::$fun" if $CFG{safe_eval};
2305 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3264 *$fun = $safe_hole->wrap ($cb);
2306} 3265}
2307 3266
2308=back 3267=back
2309 3268
2310=cut 3269=cut
2311
2312#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483 3270
2484############################################################################# 3271#############################################################################
2485# the server's init and main functions 3272# the server's init and main functions
2486 3273
2487sub load_facedata($) { 3274sub load_facedata($) {
2488 my ($path) = @_; 3275 my ($path) = @_;
3276
3277 # HACK to clear player env face cache, we need some signal framework
3278 # for this (global event?)
3279 %ext::player_env::MUSIC_FACE_CACHE = ();
3280
3281 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3282
2490 warn "loading facedata from $path\n"; 3283 warn "loading facedata from $path\n";
2491 3284
2492 my $facedata; 3285 my $facedata;
2493 0 < aio_load $path, $facedata 3286 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3289 $facedata = Coro::Storable::thaw $facedata;
2497 3290
2498 $facedata->{version} == 2 3291 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3292 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3293
3294 # patch in the exptable
3295 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3296 $facedata->{resource}{"res/exp_table"} = {
3297 type => FT_RSRC,
3298 data => $exp_table,
3299 hash => (Digest::MD5::md5 $exp_table),
3300 };
3301 cf::cede_to_tick;
3302
2501 { 3303 {
2502 my $faces = $facedata->{faceinfo}; 3304 my $faces = $facedata->{faceinfo};
2503 3305
2504 while (my ($face, $info) = each %$faces) { 3306 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3307 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3308
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3309 cf::face::set_visibility $idx, $info->{visibility};
3310 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3311 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3312 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509 Coro::cede; 3313
3314 cf::cede_to_tick;
2510 } 3315 }
2511 3316
2512 while (my ($face, $info) = each %$faces) { 3317 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3318 next unless $info->{smooth};
3319
2514 my $idx = cf::face::find $face 3320 my $idx = cf::face::find $face
2515 or next; 3321 or next;
3322
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3323 if (my $smooth = cf::face::find $info->{smooth}) {
3324 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3325 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3326 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3327 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3328 }
2521 Coro::cede; 3329
3330 cf::cede_to_tick;
2522 } 3331 }
2523 } 3332 }
2524 3333
2525 { 3334 {
2526 my $anims = $facedata->{animinfo}; 3335 my $anims = $facedata->{animinfo};
2527 3336
2528 while (my ($anim, $info) = each %$anims) { 3337 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3338 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3339 cf::cede_to_tick;
2531 } 3340 }
2532 3341
2533 cf::anim::invalidate_all; # d'oh 3342 cf::anim::invalidate_all; # d'oh
2534 } 3343 }
2535 3344
3345 {
3346 my $res = $facedata->{resource};
3347
3348 while (my ($name, $info) = each %$res) {
3349 if (defined $info->{type}) {
3350 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3351
3352 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3353 cf::face::set_type $idx, $info->{type};
3354 } else {
3355 $RESOURCE{$name} = $info;
3356 }
3357
3358 cf::cede_to_tick;
3359 }
3360 }
3361
3362 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3363
2536 1 3364 1
2537} 3365}
2538 3366
3367cf::global->attach (on_resource_update => sub {
3368 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3369 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3370
3371 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3372 my $sound = $soundconf->{compat}[$_]
3373 or next;
3374
3375 my $face = cf::face::find "sound/$sound->[1]";
3376 cf::sound::set $sound->[0] => $face;
3377 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3378 }
3379
3380 while (my ($k, $v) = each %{$soundconf->{event}}) {
3381 my $face = cf::face::find "sound/$v";
3382 cf::sound::set $k => $face;
3383 }
3384 }
3385});
3386
3387register_exticmd fx_want => sub {
3388 my ($ns, $want) = @_;
3389
3390 while (my ($k, $v) = each %$want) {
3391 $ns->fx_want ($k, $v);
3392 }
3393};
3394
3395sub load_resource_file($) {
3396 my $guard = lock_acquire "load_resource_file";
3397
3398 my $status = load_resource_file_ $_[0];
3399 get_slot 0.1, 100;
3400 cf::arch::commit_load;
3401
3402 $status
3403}
3404
2539sub reload_regions { 3405sub reload_regions {
3406 # HACK to clear player env face cache, we need some signal framework
3407 # for this (global event?)
3408 %ext::player_env::MUSIC_FACE_CACHE = ();
3409
2540 load_resource_file "$MAPDIR/regions" 3410 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3411 or die "unable to load regions file\n";
3412
3413 for (cf::region::list) {
3414 $_->{match} = qr/$_->{match}/
3415 if exists $_->{match};
3416 }
2542} 3417}
2543 3418
2544sub reload_facedata { 3419sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3420 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3421 or die "unable to load facedata\n";
… …
2557} 3432}
2558 3433
2559sub reload_resources { 3434sub reload_resources {
2560 warn "reloading resource files...\n"; 3435 warn "reloading resource files...\n";
2561 3436
2562 reload_regions;
2563 reload_facedata; 3437 reload_facedata;
2564 reload_archetypes; 3438 reload_archetypes;
3439 reload_regions;
2565 reload_treasures; 3440 reload_treasures;
2566 3441
2567 warn "finished reloading resource files\n"; 3442 warn "finished reloading resource files\n";
2568} 3443}
2569 3444
2570sub init { 3445sub reload_config {
2571 reload_resources; 3446 warn "reloading config file...\n";
2572}
2573 3447
2574sub cfg_load {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3448 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3449 or return;
2577 3450
2578 local $/; 3451 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3452 *CFG = YAML::XS::Load scalar <$fh>;
2580 3453
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3454 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3455
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3456 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3457 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2588 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3461 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589 and die "WARNING: m(un)lockall failed: $!\n"; 3462 and die "WARNING: m(un)lockall failed: $!\n";
2590 }; 3463 };
2591 warn $@ if $@; 3464 warn $@ if $@;
2592 } 3465 }
3466
3467 warn "finished reloading resource files\n";
3468}
3469
3470sub pidfile() {
3471 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3472 or die "$PIDFILE: $!";
3473 flock $fh, &Fcntl::LOCK_EX
3474 or die "$PIDFILE: flock: $!";
3475 $fh
3476}
3477
3478# make sure only one server instance is running at any one time
3479sub atomic {
3480 my $fh = pidfile;
3481
3482 my $pid = <$fh>;
3483 kill 9, $pid if $pid > 0;
3484
3485 seek $fh, 0, 0;
3486 print $fh $$;
3487}
3488
3489sub main_loop {
3490 warn "EV::loop starting\n";
3491 if (1) {
3492 EV::loop;
3493 }
3494 warn "EV::loop returned\n";
3495 goto &main_loop unless $REALLY_UNLOOP;
2593} 3496}
2594 3497
2595sub main { 3498sub main {
3499 cf::init_globals; # initialise logging
3500
3501 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3502 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3503 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3504 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3505
3506 cf::init_experience;
3507 cf::init_anim;
3508 cf::init_attackmess;
3509 cf::init_dynamic;
3510
3511 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3512
2596 # we must not ever block the main coroutine 3513 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3514 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3515 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3516 (async {
2600 Event::one_event; 3517 $Coro::current->{desc} = "IDLE BUG HANDLER";
3518 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3519 })->prio (Coro::PRIO_MAX);
2602 }; 3520 };
2603 3521
2604 cfg_load; 3522 evthread_start IO::AIO::poll_fileno;
3523
3524 cf::sync_job {
3525 cf::load_settings;
3526 cf::load_materials;
3527
3528 reload_resources;
3529 reload_config;
2605 db_init; 3530 db_init;
3531
3532 cf::init_uuid;
3533 cf::init_signals;
3534 cf::init_commands;
3535 cf::init_skills;
3536
3537 cf::init_beforeplay;
3538
3539 atomic;
3540
2606 load_extensions; 3541 load_extensions;
2607 3542
2608 $TICK_WATCHER->start; 3543 utime time, time, $RUNTIMEFILE;
2609 Event::loop; 3544
3545 # no (long-running) fork's whatsoever before this point(!)
3546 use POSIX ();
3547 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3548
3549 (pop @POST_INIT)->(0) while @POST_INIT;
3550 };
3551
3552 main_loop;
2610} 3553}
2611 3554
2612############################################################################# 3555#############################################################################
2613# initialisation and cleanup 3556# initialisation and cleanup
2614 3557
2615# install some emergency cleanup handlers 3558# install some emergency cleanup handlers
2616BEGIN { 3559BEGIN {
3560 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3561 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3562 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3563 cf::cleanup "SIG$signal";
2625 },
2626 ); 3564 };
3565 }
3566}
3567
3568sub write_runtime_sync {
3569 # first touch the runtime file to show we are still running:
3570 # the fsync below can take a very very long time.
3571
3572 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3573
3574 my $guard = cf::lock_acquire "write_runtime";
3575
3576 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3577 or return;
3578
3579 my $value = $cf::RUNTIME + 90 + 10;
3580 # 10 is the runtime save interval, for a monotonic clock
3581 # 60 allows for the watchdog to kill the server.
3582
3583 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3584 and return;
3585
3586 # always fsync - this file is important
3587 aio_fsync $fh
3588 and return;
3589
3590 # touch it again to show we are up-to-date
3591 aio_utime $fh, undef, undef;
3592
3593 close $fh
3594 or return;
3595
3596 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3597 and return;
3598
3599 warn "runtime file written.\n";
3600
2627 } 3601 1
3602}
3603
3604our $uuid_lock;
3605our $uuid_skip;
3606
3607sub write_uuid_sync($) {
3608 $uuid_skip ||= $_[0];
3609
3610 return if $uuid_lock;
3611 local $uuid_lock = 1;
3612
3613 my $uuid = "$LOCALDIR/uuid";
3614
3615 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3616 or return;
3617
3618 my $value = uuid_seq uuid_cur;
3619
3620 unless ($value) {
3621 warn "cowardly refusing to write zero uuid value!\n";
3622 return;
3623 }
3624
3625 my $value = uuid_str $value + $uuid_skip;
3626 $uuid_skip = 0;
3627
3628 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3629 and return;
3630
3631 # always fsync - this file is important
3632 aio_fsync $fh
3633 and return;
3634
3635 close $fh
3636 or return;
3637
3638 aio_rename "$uuid~", $uuid
3639 and return;
3640
3641 warn "uuid file written ($value).\n";
3642
3643 1
3644
3645}
3646
3647sub write_uuid($$) {
3648 my ($skip, $sync) = @_;
3649
3650 $sync ? write_uuid_sync $skip
3651 : async { write_uuid_sync $skip };
2628} 3652}
2629 3653
2630sub emergency_save() { 3654sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3655 my $freeze_guard = cf::freeze_mainloop;
2632 3656
2633 warn "enter emergency perl save\n"; 3657 warn "emergency_perl_save: enter\n";
2634 3658
2635 cf::sync_job { 3659 cf::sync_job {
3660 # this is a trade-off: we want to be very quick here, so
3661 # save all maps without fsync, and later call a global sync
3662 # (which in turn might be very very slow)
3663 local $USE_FSYNC = 0;
3664
2636 # use a peculiar iteration method to avoid tripping on perl 3665 # use a peculiar iteration method to avoid tripping on perl
2637 # refcount bugs in for. also avoids problems with players 3666 # refcount bugs in for. also avoids problems with players
2638 # and maps saved/destroyed asynchronously. 3667 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3668 warn "emergency_perl_save: begin player save\n";
2640 for my $login (keys %cf::PLAYER) { 3669 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3670 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3671 $pl->valid or next;
3672 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3673 $pl->save;
2644 } 3674 }
2645 warn "end emergency player save\n"; 3675 warn "emergency_perl_save: end player save\n";
2646 3676
2647 warn "begin emergency map save\n"; 3677 warn "emergency_perl_save: begin map save\n";
2648 for my $path (keys %cf::MAP) { 3678 for my $path (keys %cf::MAP) {
2649 my $map = $cf::MAP{$path} or next; 3679 my $map = $cf::MAP{$path} or next;
2650 $map->valid or next; 3680 $map->valid or next;
2651 $map->save; 3681 $map->save;
2652 } 3682 }
2653 warn "end emergency map save\n"; 3683 warn "emergency_perl_save: end map save\n";
2654 3684
2655 warn "begin emergency database checkpoint\n"; 3685 warn "emergency_perl_save: begin database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3686 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3687 warn "emergency_perl_save: end database checkpoint\n";
3688
3689 warn "emergency_perl_save: begin write uuid\n";
3690 write_uuid_sync 1;
3691 warn "emergency_perl_save: end write uuid\n";
2658 }; 3692 };
2659 3693
3694 warn "emergency_perl_save: starting sync()\n";
3695 IO::AIO::aio_sync sub {
3696 warn "emergency_perl_save: finished sync()\n";
3697 };
3698
2660 warn "leave emergency perl save\n"; 3699 warn "emergency_perl_save: leave\n";
2661} 3700}
2662 3701
2663sub post_cleanup { 3702sub post_cleanup {
2664 my ($make_core) = @_; 3703 my ($make_core) = @_;
2665 3704
2666 warn Carp::longmess "post_cleanup backtrace" 3705 warn Carp::longmess "post_cleanup backtrace"
2667 if $make_core; 3706 if $make_core;
3707
3708 my $fh = pidfile;
3709 unlink $PIDFILE if <$fh> == $$;
3710}
3711
3712# a safer delete_package, copied from Symbol
3713sub clear_package($) {
3714 my $pkg = shift;
3715
3716 # expand to full symbol table name if needed
3717 unless ($pkg =~ /^main::.*::$/) {
3718 $pkg = "main$pkg" if $pkg =~ /^::/;
3719 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3720 $pkg .= '::' unless $pkg =~ /::$/;
3721 }
3722
3723 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3724 my $stem_symtab = *{$stem}{HASH};
3725
3726 defined $stem_symtab and exists $stem_symtab->{$leaf}
3727 or return;
3728
3729 # clear all symbols
3730 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3731 for my $name (keys %$leaf_symtab) {
3732 _gv_clear *{"$pkg$name"};
3733# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3734 }
3735 warn "cleared package $pkg\n";#d#
2668} 3736}
2669 3737
2670sub do_reload_perl() { 3738sub do_reload_perl() {
2671 # can/must only be called in main 3739 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3740 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3741 warn "can only reload from main coroutine";
2674 return; 3742 return;
2675 } 3743 }
2676 3744
3745 return if $RELOAD++;
3746
3747 my $t1 = EV::time;
3748
3749 while ($RELOAD) {
2677 warn "reloading..."; 3750 warn "reloading...";
2678 3751
2679 warn "entering sync_job"; 3752 warn "entering sync_job";
2680 3753
2681 cf::sync_job { 3754 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3755 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3756 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3757 cf::write_runtime_sync; # external watchdog should not bark
2685 3758
2686 warn "syncing database to disk"; 3759 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3760 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3761
2689 # if anything goes wrong in here, we should simply crash as we already saved 3762 # if anything goes wrong in here, we should simply crash as we already saved
2690 3763
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695
2696 warn "flushing outstanding aio requests"; 3764 warn "flushing outstanding aio requests";
2697 for (;;) {
2698 BDB::flush;
2699 IO::AIO::flush;
2700 Coro::cede;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3765 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3766 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703 }
2704
2705 ++$RELOAD;
2706
2707 warn "cancelling all extension coros";
2708 $_->cancel for values %EXT_CORO;
2709 %EXT_CORO = ();
2710
2711 warn "removing commands";
2712 %COMMAND = ();
2713
2714 warn "removing ext commands";
2715 %EXTCMD = ();
2716
2717 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg";
2720
2721 if (my $cb = $pkg->can ("unload")) {
2722 eval {
2723 $cb->($pkg);
2724 1
2725 } or warn "$pkg unloaded, but with errors: $@";
2726 } 3767 }
2727 3768
2728 warn "... nuking $pkg"; 3769 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3770 $_->cancel for values %EXT_CORO;
2730 } 3771 %EXT_CORO = ();
2731 3772
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3773 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3774 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3775
3776 warn "removing ext/exti commands";
3777 %EXTCMD = ();
3778 %EXTICMD = ();
3779
3780 warn "unloading/nuking all extensions";
3781 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3782 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3783
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3784 if (my $cb = $pkg->can ("unload")) {
3785 eval {
2743 $cb->(); 3786 $cb->($pkg);
3787 1
3788 } or warn "$pkg unloaded, but with errors: $@";
3789 }
3790
3791 warn "... clearing $pkg";
3792 clear_package $pkg;
2744 } 3793 }
2745 3794
2746 Symbol::delete_package $k; 3795 warn "unloading all perl modules loaded from $LIBDIR";
3796 while (my ($k, $v) = each %INC) {
3797 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3798
3799 warn "... unloading $k";
3800 delete $INC{$k};
3801
3802 $k =~ s/\.pm$//;
3803 $k =~ s/\//::/g;
3804
3805 if (my $cb = $k->can ("unload_module")) {
3806 $cb->();
3807 }
3808
3809 clear_package $k;
2747 } 3810 }
2748 3811
2749 warn "getting rid of safe::, as good as possible"; 3812 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3813 clear_package "safe::$_"
2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3814 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752 3815
2753 warn "unloading cf.pm \"a bit\""; 3816 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3817 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3818 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756 3819
2757 # don't, removes xs symbols, too, 3820 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3821 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3822 #clear_package __PACKAGE__;
2760 3823
2761 warn "unload completed, starting to reload now"; 3824 warn "unload completed, starting to reload now";
2762 3825
2763 warn "reloading cf.pm"; 3826 warn "reloading cf.pm";
2764 require cf; 3827 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3828 cf::_connect_to_perl_1;
2766 3829
2767 warn "loading config and database again"; 3830 warn "loading config and database again";
2768 cf::cfg_load; 3831 cf::reload_config;
2769 3832
2770 warn "loading extensions"; 3833 warn "loading extensions";
2771 cf::load_extensions; 3834 cf::load_extensions;
2772 3835
3836 if ($REATTACH_ON_RELOAD) {
2773 warn "reattaching attachments to objects/players"; 3837 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3838 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3839 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3840 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3841 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3842 reattach $_ for values %PLAYER;
3843 }
2779 3844
3845 warn "running post_init jobs";
3846 (pop @POST_INIT)->(1) while @POST_INIT;
3847
2780 warn "leaving sync_job"; 3848 warn "leaving sync_job";
2781 3849
2782 1 3850 1
2783 } or do { 3851 } or do {
2784 warn $@; 3852 warn $@;
2785 warn "error while reloading, exiting."; 3853 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3854 };
2788 3855
2789 warn "reloaded"; 3856 warn "reloaded";
3857 --$RELOAD;
3858 }
3859
3860 $t1 = EV::time - $t1;
3861 warn "reload completed in ${t1}s\n";
2790}; 3862};
2791 3863
2792our $RELOAD_WATCHER; # used only during reload 3864our $RELOAD_WATCHER; # used only during reload
2793 3865
2794sub reload_perl() { 3866sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3867 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3868 # coro crashes during coro_state_free->destroy here.
2797 3869
2798 $RELOAD_WATCHER ||= Event->timer ( 3870 $RELOAD_WATCHER ||= cf::async {
2799 reentrant => 0, 3871 Coro::AIO::aio_wait cache_extensions;
2800 after => 0, 3872
2801 data => WF_AUTOCANCEL, 3873 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802 cb => sub {
2803 do_reload_perl; 3874 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3875 undef $RELOAD_WATCHER;
2805 }, 3876 };
2806 ); 3877 };
2807} 3878}
2808 3879
2809register_command "reload" => sub { 3880register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3881 my ($who, $arg) = @_;
2811 3882
2812 if ($who->flag (FLAG_WIZ)) { 3883 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3884 $who->message ("reloading server.");
3885 async {
3886 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3887 reload_perl;
3888 };
2815 } 3889 }
2816}; 3890};
2817 3891
2818unshift @INC, $LIBDIR; 3892unshift @INC, $LIBDIR;
2819 3893
… …
2821 3895
2822our @WAIT_FOR_TICK; 3896our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3897our @WAIT_FOR_TICK_BEGIN;
2824 3898
2825sub wait_for_tick { 3899sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3900 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2828 3901
2829 my $signal = new Coro::Signal; 3902 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3903 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3904 $signal->wait;
2832} 3905}
2833 3906
2834sub wait_for_tick_begin { 3907sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3908 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2837 3909
2838 my $signal = new Coro::Signal; 3910 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3911 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3912 $signal->wait;
2841} 3913}
2842 3914
2843 my $min = 1e6;#d# 3915sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3916 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3917 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3918 unless ++$bug_warning > 10;
2855 return; 3919 return;
2856 } 3920 }
2857 3921
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3922 cf::server_tick; # one server iteration
2861 3923
2862 0 && sync_job {#d# 3924 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2863 for(1..10) {
2864 my $t = Event::time;
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2866 or die;
2867 3925
2868 $map->width (50); 3926 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2869 $map->height (50); 3927 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2870 $map->alloc; 3928 Coro::async_pool {
2871 $map->_load_objects ("/tmp/x.map", 1); 3929 $Coro::current->{desc} = "runtime saver";
2872 my $t = Event::time - $t; 3930 write_runtime_sync
2873 3931 or warn "ERROR: unable to write runtime file: $!";
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3932 };
3933 }
2884 3934
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3935 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3936 $sig->send;
2901 } 3937 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3938 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3939 $sig->send;
2904 } 3940 }
2905 3941
2906 $NOW = Event::time; 3942 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3943 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3944
2917 _post_tick; 3945 if (0) {
2918 3946 if ($NEXT_TICK) {
2919 3947 my $jitter = $TICK_START - $NEXT_TICK;
3948 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3949 warn "jitter $JITTER\n";#d#
3950 }
2920 }, 3951 }
2921); 3952}
2922 3953
2923{ 3954{
2924 BDB::max_poll_time $TICK * 0.1; 3955 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3956
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3957 BDB::min_parallel 16;
2934 3958 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3959 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3960
2950 unless ($DB_ENV) { 3961 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3962 $DB_ENV = BDB::db_env_create;
3963 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3964 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3965 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3966 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3967 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3968
2953 cf::sync_job { 3969 cf::sync_job {
2954 eval { 3970 eval {
2955 BDB::db_env_open 3971 BDB::db_env_open
2956 $DB_ENV, 3972 $DB_ENV,
… …
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3974 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3975 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3976 0666;
2961 3977
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3978 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3979 };
2967 3980
2968 cf::cleanup "db_env_open(db): $@" if $@; 3981 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3982 };
2970 } 3983 }
3984
3985 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3986 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3987 };
3988 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3989 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3990 };
3991 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3992 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3993 };
2971} 3994}
2972 3995
2973{ 3996{
3997 # configure IO::AIO
3998
2974 IO::AIO::min_parallel 8; 3999 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 4000 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 4001 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 4002}
2987 4003
2988my $_log_backtrace; 4004my $_log_backtrace;
2989 4005
2990sub _log_backtrace { 4006sub _log_backtrace {
… …
2993 $msg =~ s/\n//; 4009 $msg =~ s/\n//;
2994 4010
2995 # limit the # of concurrent backtraces 4011 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 4012 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 4013 ++$_log_backtrace;
4014 my $perl_bt = Carp::longmess $msg;
2998 async { 4015 async {
4016 $Coro::current->{desc} = "abt $msg";
4017
2999 my @bt = fork_call { 4018 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 4019 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4020 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4021 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 4022 or die "addr2line: $!";
… …
3011 } 4030 }
3012 4031
3013 @funcs 4032 @funcs
3014 }; 4033 };
3015 4034
3016 LOG llevInfo, "[ABT] $msg\n"; 4035 LOG llevInfo, "[ABT] $perl_bt\n";
4036 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt; 4037 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace; 4038 --$_log_backtrace;
3019 }; 4039 };
3020 } else { 4040 } else {
3021 LOG llevInfo, "[ABT] $msg\n"; 4041 LOG llevInfo, "[ABT] $msg\n";
3022 LOG llevInfo, "[ABT] [suppressed]\n"; 4042 LOG llevInfo, "[ABT] [suppressed]\n";
3023 } 4043 }
3024} 4044}
3025 4045
3026# load additional modules 4046# load additional modules
3027use cf::pod; 4047require "cf/$_.pm" for @EXTRA_MODULES;
4048cf::_connect_to_perl_2;
3028 4049
3029END { cf::emergency_save } 4050END { cf::emergency_save }
3030 4051
30311 40521
3032 4053

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