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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 282for my $pkg (qw(
198 cf::global cf::attachable 283 cf::global cf::attachable
199 cf::object cf::object::player 284 cf::object cf::object::player
200 cf::client cf::player 285 cf::client cf::player
201 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
202 cf::map cf::party cf::region 288 cf::party cf::region
203)) { 289)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 291}
207 292
208$Event::DIED = sub { 293$EV::DIED = sub {
209 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
210}; 295};
296
297#############################################################################
211 298
212=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
213 300
214=over 4 301=over 4
215 302
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 322 $d
236 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
237} 324}
238 325
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
242 327
243Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
244 329
245=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
246 331
247Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
248 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
249=item cf::lock_wait $string 355=item cf::lock_wait $string
250 356
251Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
252 358
253=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
254 360
255Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
258returned. 364returned.
259 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
260Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
262 371
263=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
264 373
265Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
266 375
267=cut 376=cut
268 377
269our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
270 379
271sub lock_wait($) { 380sub lock_wait($) {
272 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 382}
280 383
281sub lock_acquire($) { 384sub lock_acquire($) {
282 my ($key) = @_; 385 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 386}
294 387
295sub lock_active($) { 388sub lock_active($) {
296 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 390}
300 391
301sub freeze_mainloop { 392sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
303 394
304 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
306 }; 462 }
307 $TICK_WATCHER->stop; 463};
308 $guard 464
465sub get_slot($;$$) {
466 return if tick_inhibit || $Coro::current == $Coro::main;
467
468 my ($time, $pri, $name) = @_;
469
470 $time = clamp $time, 0.01, $TICK * .6;
471
472 my $sig = new Coro::Signal;
473
474 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
475 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
476 $SLOT_QUEUE->ready;
477 $sig->wait;
309} 478}
310 479
311=item cf::async { BLOCK } 480=item cf::async { BLOCK }
312 481
313Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
318 487
319BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
320 489
321=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
322 491
323The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
326 496
327If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
330fast or be very important. 500fast or be very important.
… …
333 503
334sub sync_job(&) { 504sub sync_job(&) {
335 my ($job) = @_; 505 my ($job) = @_;
336 506
337 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 508 my $time = EV::time;
339 509
340 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
342 512
343 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 514
345 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
346 516
347 my $busy = 1; 517 my $busy = 1;
348 my @res; 518 my @res;
349 519
350 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 522 @res = eval { $job->() };
352 warn $@ if $@; 523 warn $@ if $@;
353 undef $busy; 524 undef $busy;
354 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
355 526
356 while ($busy) { 527 while ($busy) {
357 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
358 } 532 }
533 }
359 534
360 $time = Event::time - $time; 535 my $time = EV::time - $time;
361 536
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 537 $TICK_START += $time; # do not account sync jobs to server load
366 538
367 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
368 } else { 540 } else {
369 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
370 542
… …
390 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
391 563
392 $coro 564 $coro
393} 565}
394 566
395sub write_runtime { 567=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 568
398 # first touch the runtime file to show we are still running: 569Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 570process, returning the results. Everything must be serialisable with
571Coro::Storable. May, of course, block. Note that the executed sub may
572never block itself or use any form of event handling.
400 573
401 IO::AIO::aio_utime $runtime, undef, undef; 574=cut
402 575
403 my $guard = cf::lock_acquire "write_runtime"; 576sub fork_call(&@) {
577 my ($cb, @args) = @_;
404 578
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 579 # we seemingly have to make a local copy of the whole thing,
406 or return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
407 582
408 my $value = $cf::RUNTIME + 90 + 10; 583 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 584 reset_signals;
410 # 60 allows for the watchdog to kill the server. 585 &$cb
586 }, @args;
411 587
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 588 wantarray ? @res : $res[-1]
413 and return; 589}
414 590
415 # always fsync - this file is important 591=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 592
419 # touch it again to show we are up-to-date 593=cut
420 aio_utime $fh, undef, undef;
421 594
422 close $fh 595our %coin_alias = (
423 or return; 596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
424 611
425 aio_rename "$runtime~", $runtime 612sub coin_from_name($) {
426 and return; 613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
427 617
428 warn "runtime file written.\n";#d# 618=item $value = cf::db_get $family => $key
429 619
620Returns a single value from the environment database.
621
622=item cf::db_put $family => $key => $value
623
624Stores the given C<$value> in the family. It can currently store binary
625data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
626
627=item $db = cf::db_table "name"
628
629Create and/or open a new database table. The string must not be "db" and must be unique
630within each server.
631
632=cut
633
634sub db_table($) {
635 my ($name) = @_;
636 my $db = BDB::db_create $DB_ENV;
637
638 eval {
639 $db->set_flags (BDB::CHKSUM);
640
641 utf8::encode $name;
642 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
643 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
644 cf::cleanup "db_open(db): $!" if $!;
645 };
646 cf::cleanup "db_open(db): $@" if $@;
647
648 $db
649}
650
651our $DB;
652
653sub db_init {
654 cf::sync_job {
655 $DB ||= db_table "db";
656 };
657}
658
659sub db_get($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
430 1 667 }
668}
669
670sub db_put($$$) {
671 BDB::dbreq_pri 4;
672 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
673}
674
675=item cf::cache $id => [$paths...], $processversion => $process
676
677Generic caching function that returns the value of the resource $id,
678caching and regenerating as required.
679
680This function can block.
681
682=cut
683
684sub cache {
685 my ($id, $src, $processversion, $process) = @_;
686
687 my $meta =
688 join "\x00",
689 $processversion,
690 map {
691 aio_stat $_
692 and Carp::croak "$_: $!";
693
694 ($_, (stat _)[7,9])
695 } @$src;
696
697 my $dbmeta = db_get cache => "$id/meta";
698 if ($dbmeta ne $meta) {
699 # changed, we may need to process
700
701 my @data;
702 my $md5;
703
704 for (0 .. $#$src) {
705 0 <= aio_load $src->[$_], $data[$_]
706 or Carp::croak "$src->[$_]: $!";
707 }
708
709 # if processing is expensive, check
710 # checksum first
711 if (1) {
712 $md5 =
713 join "\x00",
714 $processversion,
715 map {
716 cf::cede_to_tick;
717 ($src->[$_], Digest::MD5::md5_hex $data[$_])
718 } 0.. $#$src;
719
720
721 my $dbmd5 = db_get cache => "$id/md5";
722 if ($dbmd5 eq $md5) {
723 db_put cache => "$id/meta", $meta;
724
725 return db_get cache => "$id/data";
726 }
727 }
728
729 my $t1 = Time::HiRes::time;
730 my $data = $process->(\@data);
731 my $t2 = Time::HiRes::time;
732
733 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
734
735 db_put cache => "$id/data", $data;
736 db_put cache => "$id/md5" , $md5;
737 db_put cache => "$id/meta", $meta;
738
739 return $data;
740 }
741
742 db_get cache => "$id/data"
431} 743}
432 744
433=item cf::datalog type => key => value, ... 745=item cf::datalog type => key => value, ...
434 746
435Log a datalog packet of the given type with the given key-value pairs. 747Log a datalog packet of the given type with the given key-value pairs.
… …
447 759
448############################################################################# 760#############################################################################
449 761
450=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
451 763
452Many objects in crossfire are so-called attachable objects. That means you can 764Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
455 767
456In the following description, CLASS can be any of C<global>, C<object> 768In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 769C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 770Deliantra).
459 771
460=over 4 772=over 4
461 773
462=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
463 775
… …
507=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
508 820
509Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
511 823
512Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 825that are attached at load/instantiate time, thus the need for a name.
514 826
515These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
516 828
517=over 4 829=over 4
… …
665 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
666 } 978 }
667 979
668 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
669 } else { 981 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 983 }
672 984
673 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
674} 986}
675 987
… …
715 "; 1027 ";
716 die if $@; 1028 die if $@;
717} 1029}
718 1030
719our $override; 1031our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1032our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1033
722sub override { 1034sub override {
723 $override = 1; 1035 $override = 1;
724 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
725} 1037}
726 1038
727sub do_invoke { 1039sub do_invoke {
728 my $event = shift; 1040 my $event = shift;
729 my $callbacks = shift; 1041 my $callbacks = shift;
730 1042
731 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
732 1044
733 local $override; 1045 local $override;
734 1046
735 for (@$callbacks) { 1047 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
745 } 1057 }
746 1058
747 0 1059 0
748} 1060}
749 1061
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1063
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1065
754Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
755 1067
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1068This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1069removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1071
760=back 1072=back
761 1073
762=cut 1074=cut
763 1075
764############################################################################# 1076#############################################################################
765# object support 1077# object support
1078
1079sub _object_equal($$);
1080sub _object_equal($$) {
1081 my ($a, $b) = @_;
1082
1083 return 0 unless (ref $a) eq (ref $b);
1084
1085 if ("HASH" eq ref $a) {
1086 my @ka = keys %$a;
1087 my @kb = keys %$b;
1088
1089 return 0 if @ka != @kb;
1090
1091 for (0 .. $#ka) {
1092 return 0 unless $ka[$_] eq $kb[$_];
1093 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1094 }
1095
1096 } elsif ("ARRAY" eq ref $a) {
1097
1098 return 0 if @$a != @$b;
1099
1100 for (0 .. $#$a) {
1101 return 0 unless _object_equal $a->[$_], $b->[$_];
1102 }
1103
1104 } elsif ($a ne $b) {
1105 return 0;
1106 }
1107
1108 1
1109}
1110
1111our $SLOW_MERGES;#d#
1112sub _can_merge {
1113 my ($ob1, $ob2) = @_;
1114
1115 ++$SLOW_MERGES;#d#
1116
1117 # we do the slow way here
1118 return _object_equal $ob1, $ob2
1119}
766 1120
767sub reattach { 1121sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1123 my ($obj) = @_;
770 1124
1125 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1127
773 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
774 1129
775 @$registry = (); 1130 @$registry = ();
776 1131
… …
791cf::attachable->attach ( 1146cf::attachable->attach (
792 prio => -1000000, 1147 prio => -1000000,
793 on_instantiate => sub { 1148 on_instantiate => sub {
794 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
795 1150
796 $data = from_json $data; 1151 $data = decode_json $data;
797 1152
798 for (@$data) { 1153 for (@$data) {
799 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
800 1155
801 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1172sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
819 1174
820 sync_job { 1175 sync_job {
821 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
824 1180
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1186 aio_fsync $fh;
1187 }
829 close $fh; 1188 aio_close $fh;
830 1189
831 if (@$objs) { 1190 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1191 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1195 if ($cf::USE_FSYNC) {
1196 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1197 aio_fsync $fh;
1198 }
837 close $fh; 1199 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
839 } 1201 }
840 } else { 1202 } else {
841 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
842 } 1204 }
843 1205
844 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1210 } else {
846 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
847 } 1212 }
848 } else { 1213 } else {
849 aio_unlink $filename; 1214 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
851 } 1216 }
852 } 1217 };
853} 1218}
854 1219
855sub object_freezer_as_string { 1220sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
857 1222
… …
869 or return; 1234 or return;
870 1235
871 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
873 or return; 1238 or return;
1239
874 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
875 } 1242 }
876 1243
1244 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
879 return ($data, $av); 1248 ($data, $av)
880} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
881 1256
882############################################################################# 1257#############################################################################
883# command handling &c 1258# command handling &c
884 1259
885=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1274}
900 1275
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1277
903Register a callbackf ro execution when the client sends an extcmd packet. 1278Register a callback for execution when the client sends an (synchronous)
1279extcmd packet. Ext commands will be processed in the order they are
1280received by the server, like other user commands. The first argument is
1281the logged-in player. Ext commands can only be processed after a player
1282has logged in successfully.
904 1283
905If the callback returns something, it is sent back as if reply was being 1284If the callback returns something, it is sent back as if reply was being
906called. 1285called.
907 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
908=cut 1298=cut
909 1299
910sub register_extcmd { 1300sub register_extcmd {
911 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
912 1302
913 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
914} 1304}
1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
915 1313
916cf::player->attach ( 1314cf::player->attach (
917 on_command => sub { 1315 on_command => sub {
918 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
919 1317
… …
927 cf::override; 1325 cf::override;
928 }, 1326 },
929 on_extcmd => sub { 1327 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
931 1329
932 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1331
934 if (ref $msg) { 1332 if (ref $msg) {
1333 my ($type, $reply, @payload) =
1334 "ARRAY" eq ref $msg
1335 ? @$msg
1336 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1337
1338 my @reply;
1339
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
940 } else { 1347 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1349 }
943 1350
944 cf::override; 1351 cf::override;
945 }, 1352 },
946); 1353);
947 1354
1355# "readahead" all extensions
948sub load_extension { 1356sub cache_extensions {
949 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
950 1358
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
953 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 } 1362 }
976 die $@;
977 } 1363 };
978 1364
979 push @EXTS, $pkg; 1365 $grp
980} 1366}
981 1367
982sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
983 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1373 next unless -r $path;
985 eval { 1374
986 load_extension $ext; 1375 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1376 my $base = $1;
1377 my $pkg = $1;
1378 $pkg =~ s/[^[:word:]]/_/g;
1379 $pkg = "ext::$pkg";
1380
1381 open my $fh, "<:utf8", $path
1382 or die "$path: $!";
1383
1384 my $source = do { local $/; <$fh> };
1385
1386 my %ext = (
1387 path => $path,
1388 base => $base,
1389 pkg => $pkg,
1390 );
1391
1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1394
1395 $ext{source} =
1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1397 . "#line 1 \"$path\"\n{\n"
1398 . $source
1399 . "\n};\n1";
1400
1401 $todo{$base} = \%ext;
1402 }
1403
1404 my $pass = 0;
1405 my %done;
1406 while (%todo) {
1407 my $progress;
1408
1409 ++$pass;
1410
1411 ext:
1412 while (my ($k, $v) = each %todo) {
1413 for (split /,\s*/, $v->{meta}{depends}) {
1414 next ext
1415 unless exists $done{$_};
1416 }
1417
1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1419
1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
1423 warn "$v->{path}: $@\n";
1424
1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1426 if exists $v->{meta}{mandatory};
1427 } else {
1428 $done{$k} = delete $todo{$k};
1429 push @EXTS, $v->{pkg};
1430 $progress = 1;
1431
1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1434 }
987 1 1435 }
988 } or warn "$ext not loaded: $@"; 1436
1437 unless ($progress) {
1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1445 }
989 } 1446 };
990} 1447}
991 1448
992############################################################################# 1449#############################################################################
993 1450
1451=back
1452
994=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
995 1454
996Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
997 1456
998=cut 1457=cut
999 1458
1000package cf::player; 1459package cf::player;
1001 1460
1002use Coro::AIO; 1461use Coro::AIO;
1003 1462
1004=head3 cf::player 1463=head3 cf::player
1005 1464
1006=over 4 1465=over 4
1466
1467=item cf::player::num_playing
1468
1469Returns the official number of playing players, as per the Crossfire metaserver rules.
1470
1471=cut
1472
1473sub num_playing {
1474 scalar grep
1475 $_->ob->map
1476 && !$_->hidden
1477 && !$_->ob->flag (cf::FLAG_WIZ),
1478 cf::player::list
1479}
1007 1480
1008=item cf::player::find $login 1481=item cf::player::find $login
1009 1482
1010Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
1011 1484
… …
1030 1503
1031sub exists($) { 1504sub exists($) {
1032 my ($login) = @_; 1505 my ($login) = @_;
1033 1506
1034 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
1035 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
1036} 1509}
1037 1510
1038sub find($) { 1511sub find($) {
1039 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
1040 my $login = $_[0]; 1513 my $login = $_[0];
… …
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1520 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1521 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1522 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1523 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1524
1052 my $pl = load_pl path $login 1525 my $f = new_from_file cf::object::thawer path $login
1053 or return; 1526 or return;
1527
1528 my $pl = cf::player::load_pl $f
1529 or return;
1530
1531 local $cf::PLAYER_LOADING{$login} = $pl;
1532 $f->resolve_delayed_derefs;
1054 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1055 } 1534 }
1056 } 1535 }
1057} 1536}
1058 1537
… …
1067 return if $pl->{deny_save}; 1546 return if $pl->{deny_save};
1068 1547
1069 aio_mkdir playerdir $pl, 0770; 1548 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1549 $pl->{last_save} = $cf::RUNTIME;
1071 1550
1551 cf::get_slot 0.01;
1552
1072 $pl->save_pl ($path); 1553 $pl->save_pl ($path);
1073 Coro::cede; 1554 cf::cede_to_tick;
1074} 1555}
1075 1556
1076sub new($) { 1557sub new($) {
1077 my ($login) = @_; 1558 my ($login) = @_;
1078 1559
… …
1084 $cf::PLAYER{$login} = $self; 1565 $cf::PLAYER{$login} = $self;
1085 1566
1086 $self 1567 $self
1087} 1568}
1088 1569
1570=item $player->send_msg ($channel, $msg, $color, [extra...])
1571
1572=cut
1573
1574sub send_msg {
1575 my $ns = shift->ns
1576 or return;
1577 $ns->send_msg (@_);
1578}
1579
1089=item $pl->quit_character 1580=item $pl->quit_character
1090 1581
1091Nukes the player without looking back. If logged in, the connection will 1582Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1583be destroyed. May block for a long time.
1093 1584
… …
1097 my ($pl) = @_; 1588 my ($pl) = @_;
1098 1589
1099 my $name = $pl->ob->name; 1590 my $name = $pl->ob->name;
1100 1591
1101 $pl->{deny_save} = 1; 1592 $pl->{deny_save} = 1;
1102 $pl->password ("*"); # this should lock out the player until we nuked the dir 1593 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1103 1594
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1595 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1596 $pl->deactivate;
1597 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1598 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1599 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1600 $pl->ns->destroy if $pl->ns;
1108 1601
1109 my $path = playerdir $pl; 1602 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1603 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1146 or return []; 1639 or return [];
1147 1640
1148 my @logins; 1641 my @logins;
1149 1642
1150 for my $login (@$dirs) { 1643 for my $login (@$dirs) {
1644 my $path = path $login;
1645
1646 # a .pst is a dead give-away for a valid player
1647 # if no pst file found, open and chekc for blocked users
1648 if (aio_stat "$path.pst") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1649 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1650 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1651 $buf !~ /^password -------------$/m or next; # official not-valid tag
1652 }
1154 1653
1155 utf8::decode $login; 1654 utf8::decode $login;
1156 push @logins, $login; 1655 push @logins, $login;
1157 } 1656 }
1158 1657
… …
1185 } 1684 }
1186 1685
1187 \@paths 1686 \@paths
1188} 1687}
1189 1688
1689=item $protocol_xml = $player->expand_cfpod ($cfpod)
1690
1691Expand deliantra pod fragments into protocol xml.
1692
1190=item $player->ext_reply ($msgid, %msg) 1693=item $player->ext_reply ($msgid, @msg)
1191 1694
1192Sends an ext reply to the player. 1695Sends an ext reply to the player.
1193 1696
1194=cut 1697=cut
1195 1698
1196sub ext_reply($$%) { 1699sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1700 my ($self, $id, @msg) = @_;
1198 1701
1199 $msg{msgid} = $id; 1702 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1703}
1203 1704
1204=item $player->ext_event ($type, %msg) 1705=item $player->ext_msg ($type, @msg)
1205 1706
1206Sends an ext event to the client. 1707Sends an ext event to the client.
1207 1708
1208=cut 1709=cut
1209 1710
1210sub ext_event($$%) { 1711sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1712 my ($self, $type, @msg) = @_;
1212 1713
1213 $self->ns->ext_event ($type, %msg); 1714 $self->ns->ext_msg ($type, @msg);
1214} 1715}
1215 1716
1216=head3 cf::region 1717=head3 cf::region
1217 1718
1218=over 4 1719=over 4
… …
1221 1722
1222package cf::region; 1723package cf::region;
1223 1724
1224=item cf::region::find_by_path $path 1725=item cf::region::find_by_path $path
1225 1726
1226Tries to decuce the probable region for a map knowing only its path. 1727Tries to decuce the likely region for a map knowing only its path.
1227 1728
1228=cut 1729=cut
1229 1730
1230sub find_by_path($) { 1731sub find_by_path($) {
1231 my ($path) = @_; 1732 my ($path) = @_;
1232 1733
1233 my ($match, $specificity); 1734 my ($match, $specificity);
1234 1735
1235 for my $region (list) { 1736 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1737 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1738 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1739 if $region->specificity > $specificity;
1239 } 1740 }
1240 } 1741 }
1241 1742
… …
1262our $MAX_RESET = 3600; 1763our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1764our $DEFAULT_RESET = 3000;
1264 1765
1265sub generate_random_map { 1766sub generate_random_map {
1266 my ($self, $rmp) = @_; 1767 my ($self, $rmp) = @_;
1768
1769 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1770
1267 # mit "rum" bekleckern, nicht 1771 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1772 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1773 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1774 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1775 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1305 my ($self, $merge) = @_; 1809 my ($self, $merge) = @_;
1306 1810
1307 # we have to keep some variables in memory intact 1811 # we have to keep some variables in memory intact
1308 local $self->{path}; 1812 local $self->{path};
1309 local $self->{load_path}; 1813 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312 1814
1313 $self->SUPER::thawer_merge ($merge); 1815 $self->SUPER::thawer_merge ($merge);
1314} 1816}
1315 1817
1316sub normalise { 1818sub normalise {
… …
1363 $self->init; # pass $1 etc. 1865 $self->init; # pass $1 etc.
1364 return $self; 1866 return $self;
1365 } 1867 }
1366 } 1868 }
1367 1869
1368 Carp::carp "unable to resolve path '$path' (base '$base')."; 1870 Carp::cluck "unable to resolve path '$path' (base '$base').";
1369 () 1871 ()
1370} 1872}
1371 1873
1372sub init { 1874sub init {
1373 my ($self) = @_; 1875 my ($self) = @_;
… …
1395 1897
1396# the temporary/swap location 1898# the temporary/swap location
1397sub save_path { 1899sub save_path {
1398 my ($self) = @_; 1900 my ($self) = @_;
1399 1901
1400 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1902 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401 "$TMPDIR/$path.map" 1903 "$TMPDIR/$path.map"
1402} 1904}
1403 1905
1404# the unique path, undef == no special unique path 1906# the unique path, undef == no special unique path
1405sub uniq_path { 1907sub uniq_path {
1406 my ($self) = @_; 1908 my ($self) = @_;
1407 1909
1408 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1910 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409 "$UNIQUEDIR/$path" 1911 "$UNIQUEDIR/$path"
1410} 1912}
1411 1913
1412# and all this just because we cannot iterate over 1914sub decay_objects {
1413# all maps in C++...
1414sub change_all_map_light {
1415 my ($change) = @_; 1915 my ($self) = @_;
1416 1916
1417 $_->change_map_light ($change) 1917 return if $self->{deny_reset};
1418 for grep $_->outdoor, values %cf::MAP; 1918
1919 $self->do_decay_objects;
1419} 1920}
1420 1921
1421sub unlink_save { 1922sub unlink_save {
1422 my ($self) = @_; 1923 my ($self) = @_;
1423 1924
… …
1428 1929
1429sub load_header_from($) { 1930sub load_header_from($) {
1430 my ($self, $path) = @_; 1931 my ($self, $path) = @_;
1431 1932
1432 utf8::encode $path; 1933 utf8::encode $path;
1433 #aio_open $path, O_RDONLY, 0 1934 my $f = new_from_file cf::object::thawer $path
1434 # or return;
1435
1436 $self->_load_header ($path)
1437 or return; 1935 or return;
1936
1937 $self->_load_header ($f)
1938 or return;
1939
1940 local $MAP_LOADING{$self->{path}} = $self;
1941 $f->resolve_delayed_derefs;
1438 1942
1439 $self->{load_path} = $path; 1943 $self->{load_path} = $path;
1440 1944
1441 1 1945 1
1442} 1946}
… …
1481 $self->load_header_orig 1985 $self->load_header_orig
1482 or return; 1986 or return;
1483 $self->prepare_orig; 1987 $self->prepare_orig;
1484 } 1988 }
1485 1989
1990 $self->{deny_reset} = 1
1991 if $self->no_reset;
1992
1486 $self->default_region (cf::region::find_by_path $self->{path}) 1993 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region; 1994 unless $self->default_region;
1488 1995
1489 1 1996 1
1490} 1997}
… …
1493sub find { 2000sub find {
1494 my ($path, $origin) = @_; 2001 my ($path, $origin) = @_;
1495 2002
1496 $path = normalise $path, $origin && $origin->path; 2003 $path = normalise $path, $origin && $origin->path;
1497 2004
2005 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498 cf::lock_wait "map_find:$path"; 2006 my $guard2 = cf::lock_acquire "map_find:$path";
1499 2007
1500 $cf::MAP{$path} || do { 2008 $cf::MAP{$path} || do {
1501 my $guard = cf::lock_acquire "map_find:$path";
1502 my $map = new_from_path cf::map $path 2009 my $map = new_from_path cf::map $path
1503 or return; 2010 or return;
1504 2011
1505 $map->{last_save} = $cf::RUNTIME; 2012 $map->{last_save} = $cf::RUNTIME;
1506 2013
1507 $map->load_header 2014 $map->load_header
1508 or return; 2015 or return;
1509 2016
1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2017 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously 2018 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait; 2019 #$cf::WAIT_FOR_TICK->wait;
2020 undef $guard2;
2021 undef $guard1;
1513 $map->reset; 2022 $map->reset;
1514 undef $guard;
1515 return find $path; 2023 return find $path;
1516 } 2024 }
1517 2025
1518 $cf::MAP{$path} = $map 2026 $cf::MAP{$path} = $map
1519 } 2027 }
1520} 2028}
1521 2029
1522sub pre_load { } 2030sub pre_load { }
1523sub post_load { } 2031#sub post_load { } # XS
1524 2032
1525sub load { 2033sub load {
1526 my ($self) = @_; 2034 my ($self) = @_;
1527 2035
1528 local $self->{deny_reset} = 1; # loading can take a long time 2036 local $self->{deny_reset} = 1; # loading can take a long time
1529 2037
1530 my $path = $self->{path}; 2038 my $path = $self->{path};
1531 2039
1532 { 2040 {
1533 my $guard = cf::lock_acquire "map_load:$path"; 2041 my $guard = cf::lock_acquire "map_data:$path";
1534 2042
2043 return unless $self->valid;
1535 return if $self->in_memory != cf::MAP_SWAPPED; 2044 return unless $self->in_memory == cf::MAP_SWAPPED;
1536 2045
1537 $self->in_memory (cf::MAP_LOADING); 2046 $self->in_memory (cf::MAP_LOADING);
1538 2047
1539 $self->alloc; 2048 $self->alloc;
1540 2049
1541 $self->pre_load; 2050 $self->pre_load;
1542 Coro::cede; 2051 cf::cede_to_tick;
1543 2052
2053 my $f = new_from_file cf::object::thawer $self->{load_path};
2054 $f->skip_block;
1544 $self->_load_objects ($self->{load_path}, 1) 2055 $self->_load_objects ($f)
1545 or return; 2056 or return;
1546 2057
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2058 $self->post_load_original
1548 if delete $self->{load_original}; 2059 if delete $self->{load_original};
1549 2060
1550 if (my $uniq = $self->uniq_path) { 2061 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq; 2062 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) { 2063 unless (aio_stat $uniq) {
2064 if (my $f = new_from_file cf::object::thawer $uniq) {
1553 $self->clear_unique_items; 2065 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0); 2066 $self->_load_objects ($f);
2067 $f->resolve_delayed_derefs;
2068 }
1555 } 2069 }
1556 } 2070 }
1557 2071
1558 Coro::cede; 2072 $f->resolve_delayed_derefs;
2073
2074 cf::cede_to_tick;
1559 # now do the right thing for maps 2075 # now do the right thing for maps
1560 $self->link_multipart_objects; 2076 $self->link_multipart_objects;
1561 $self->difficulty ($self->estimate_difficulty) 2077 $self->difficulty ($self->estimate_difficulty)
1562 unless $self->difficulty; 2078 unless $self->difficulty;
1563 Coro::cede; 2079 cf::cede_to_tick;
1564 2080
1565 unless ($self->{deny_activate}) { 2081 unless ($self->{deny_activate}) {
1566 $self->decay_objects; 2082 $self->decay_objects;
1567 $self->fix_auto_apply; 2083 $self->fix_auto_apply;
1568 $self->update_buttons; 2084 $self->update_buttons;
1569 Coro::cede; 2085 cf::cede_to_tick;
1570 $self->set_darkness_map;
1571 Coro::cede;
1572 $self->activate; 2086 $self->activate;
1573 } 2087 }
1574 2088
2089 $self->{last_save} = $cf::RUNTIME;
2090 $self->last_access ($cf::RUNTIME);
2091
1575 $self->in_memory (cf::MAP_IN_MEMORY); 2092 $self->in_memory (cf::MAP_ACTIVE);
1576 } 2093 }
1577 2094
1578 $self->post_load; 2095 $self->post_load;
1579} 2096}
1580 2097
… …
1582 my ($self, $ob) = @_; 2099 my ($self, $ob) = @_;
1583 2100
1584 return find "~" . $ob->name . "/" . $self->{path} 2101 return find "~" . $ob->name . "/" . $self->{path}
1585 if $self->per_player; 2102 if $self->per_player;
1586 2103
2104# return find "?party/" . $ob->name . "/" . $self->{path}
2105# if $self->per_party;
2106
1587 $self 2107 $self
1588} 2108}
1589 2109
1590# find and load all maps in the 3x3 area around a map 2110# find and load all maps in the 3x3 area around a map
1591sub load_diag { 2111sub load_neighbours {
1592 my ($map) = @_; 2112 my ($map) = @_;
1593 2113
1594 my @diag; # diagonal neighbours 2114 my @neigh; # diagonal neighbours
1595 2115
1596 for (0 .. 3) { 2116 for (0 .. 3) {
1597 my $neigh = $map->tile_path ($_) 2117 my $neigh = $map->tile_path ($_)
1598 or next; 2118 or next;
1599 $neigh = find $neigh, $map 2119 $neigh = find $neigh, $map
1600 or next; 2120 or next;
1601 $neigh->load; 2121 $neigh->load;
1602 2122
2123 push @neigh,
1603 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2124 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2125 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1605 } 2126 }
1606 2127
1607 for (@diag) { 2128 for (grep defined $_->[0], @neigh) {
2129 my ($path, $origin) = @$_;
1608 my $neigh = find @$_ 2130 my $neigh = find $path, $origin
1609 or next; 2131 or next;
1610 $neigh->load; 2132 $neigh->load;
1611 } 2133 }
1612} 2134}
1613 2135
… …
1618} 2140}
1619 2141
1620sub do_load_sync { 2142sub do_load_sync {
1621 my ($map) = @_; 2143 my ($map) = @_;
1622 2144
2145 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2146 if $Coro::current == $Coro::main;
2147
1623 cf::sync_job { $map->load }; 2148 cf::sync_job { $map->load };
1624} 2149}
1625 2150
1626our %MAP_PREFETCH; 2151our %MAP_PREFETCH;
1627our $MAP_PREFETCHER = undef; 2152our $MAP_PREFETCHER = undef;
1628 2153
1629sub find_async { 2154sub find_async {
1630 my ($path, $origin) = @_; 2155 my ($path, $origin, $load) = @_;
1631 2156
1632 $path = normalise $path, $origin && $origin->{path}; 2157 $path = normalise $path, $origin && $origin->{path};
1633 2158
1634 if (my $map = $cf::MAP{$path}) { 2159 if (my $map = $cf::MAP{$path}) {
1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2160 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636 } 2161 }
1637 2162
1638 undef $MAP_PREFETCH{$path}; 2163 $MAP_PREFETCH{$path} |= $load;
2164
1639 $MAP_PREFETCHER ||= cf::async { 2165 $MAP_PREFETCHER ||= cf::async {
2166 $Coro::current->{desc} = "map prefetcher";
2167
1640 while (%MAP_PREFETCH) { 2168 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) { 2169 while (my ($k, $v) = each %MAP_PREFETCH) {
1642 my $map = find $path 2170 if (my $map = find $k) {
1643 or next;
1644 $map->load; 2171 $map->load if $v;
2172 }
1645 2173
1646 delete $MAP_PREFETCH{$path}; 2174 delete $MAP_PREFETCH{$k};
1647 } 2175 }
1648 } 2176 }
1649 undef $MAP_PREFETCHER; 2177 undef $MAP_PREFETCHER;
1650 }; 2178 };
1651 $MAP_PREFETCHER->prio (6); 2179 $MAP_PREFETCHER->prio (6);
… …
1654} 2182}
1655 2183
1656sub save { 2184sub save {
1657 my ($self) = @_; 2185 my ($self) = @_;
1658 2186
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2188
1661 $self->{last_save} = $cf::RUNTIME; 2189 $self->{last_save} = $cf::RUNTIME;
1662 2190
1663 return unless $self->dirty; 2191 return unless $self->dirty;
1664 2192
… …
1670 return if $self->{deny_save}; 2198 return if $self->{deny_save};
1671 2199
1672 local $self->{last_access} = $self->last_access;#d# 2200 local $self->{last_access} = $self->last_access;#d#
1673 2201
1674 cf::async { 2202 cf::async {
2203 $Coro::current->{desc} = "map player save";
1675 $_->contr->save for $self->players; 2204 $_->contr->save for $self->players;
1676 }; 2205 };
2206
2207 cf::get_slot 0.02;
1677 2208
1678 if ($uniq) { 2209 if ($uniq) {
1679 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2210 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2211 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1681 } else { 2212 } else {
… …
1687 my ($self) = @_; 2218 my ($self) = @_;
1688 2219
1689 # save first because save cedes 2220 # save first because save cedes
1690 $self->save; 2221 $self->save;
1691 2222
1692 my $lock = cf::lock_acquire "map_data:" . $self->path; 2223 my $lock = cf::lock_acquire "map_data:$self->{path}";
1693 2224
1694 return if $self->players; 2225 return if $self->players;
1695 return if $self->in_memory != cf::MAP_IN_MEMORY; 2226 return if $self->in_memory != cf::MAP_ACTIVE;
1696 return if $self->{deny_save}; 2227 return if $self->{deny_save};
1697 2228
2229 $self->in_memory (cf::MAP_SWAPPED);
2230
2231 $self->deactivate;
2232 $_->clear_links_to ($self) for values %cf::MAP;
1698 $self->clear; 2233 $self->clear;
1699 $self->in_memory (cf::MAP_SWAPPED);
1700} 2234}
1701 2235
1702sub reset_at { 2236sub reset_at {
1703 my ($self) = @_; 2237 my ($self) = @_;
1704 2238
1705 # TODO: safety, remove and allow resettable per-player maps 2239 # TODO: safety, remove and allow resettable per-player maps
1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1707 return 1e99 if $self->{deny_reset}; 2240 return 1e99 if $self->{deny_reset};
1708 2241
1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2242 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2243 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711 2244
… …
1722 my ($self) = @_; 2255 my ($self) = @_;
1723 2256
1724 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
1725 2258
1726 return if $self->players; 2259 return if $self->players;
1727 return if $self->isa ("ext::map_per_player");#d#
1728 2260
1729 warn "resetting map ", $self->path;#d# 2261 warn "resetting map ", $self->path, "\n";
1730 2262
1731 $self->in_memory (cf::MAP_SWAPPED); 2263 $self->in_memory (cf::MAP_SWAPPED);
1732 2264
1733 # need to save uniques path 2265 # need to save uniques path
1734 unless ($self->{deny_save}) { 2266 unless ($self->{deny_save}) {
… …
1738 if $uniq; 2270 if $uniq;
1739 } 2271 }
1740 2272
1741 delete $cf::MAP{$self->path}; 2273 delete $cf::MAP{$self->path};
1742 2274
2275 $self->deactivate;
2276 $_->clear_links_to ($self) for values %cf::MAP;
1743 $self->clear; 2277 $self->clear;
1744
1745 $_->clear_links_to ($self) for values %cf::MAP;
1746 2278
1747 $self->unlink_save; 2279 $self->unlink_save;
1748 $self->destroy; 2280 $self->destroy;
1749} 2281}
1750 2282
1751my $nuke_counter = "aaaa"; 2283my $nuke_counter = "aaaa";
1752 2284
1753sub nuke { 2285sub nuke {
1754 my ($self) = @_; 2286 my ($self) = @_;
1755 2287
2288 {
2289 my $lock = cf::lock_acquire "map_data:$self->{path}";
2290
1756 delete $cf::MAP{$self->path}; 2291 delete $cf::MAP{$self->path};
1757 2292
1758 $self->unlink_save; 2293 $self->unlink_save;
1759 2294
1760 bless $self, "cf::map"; 2295 bless $self, "cf::map";
1761 delete $self->{deny_reset}; 2296 delete $self->{deny_reset};
1762 $self->{deny_save} = 1; 2297 $self->{deny_save} = 1;
1763 $self->reset_timeout (1); 2298 $self->reset_timeout (1);
1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2299 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765 2300
1766 $cf::MAP{$self->path} = $self; 2301 $cf::MAP{$self->path} = $self;
2302 }
1767 2303
1768 $self->reset; # polite request, might not happen 2304 $self->reset; # polite request, might not happen
2305}
2306
2307=item $maps = cf::map::tmp_maps
2308
2309Returns an arrayref with all map paths of currently instantiated and saved
2310maps. May block.
2311
2312=cut
2313
2314sub tmp_maps() {
2315 [
2316 map {
2317 utf8::decode $_;
2318 /\.map$/
2319 ? normalise $_
2320 : ()
2321 } @{ aio_readdir $TMPDIR or [] }
2322 ]
2323}
2324
2325=item $maps = cf::map::random_maps
2326
2327Returns an arrayref with all map paths of currently instantiated and saved
2328random maps. May block.
2329
2330=cut
2331
2332sub random_maps() {
2333 [
2334 map {
2335 utf8::decode $_;
2336 /\.map$/
2337 ? normalise "?random/$_"
2338 : ()
2339 } @{ aio_readdir $RANDOMDIR or [] }
2340 ]
1769} 2341}
1770 2342
1771=item cf::map::unique_maps 2343=item cf::map::unique_maps
1772 2344
1773Returns an arrayref of paths of all shared maps that have 2345Returns an arrayref of paths of all shared maps that have
1774instantiated unique items. May block. 2346instantiated unique items. May block.
1775 2347
1776=cut 2348=cut
1777 2349
1778sub unique_maps() { 2350sub unique_maps() {
1779 my $files = aio_readdir $UNIQUEDIR 2351 [
1780 or return; 2352 map {
1781
1782 my @paths;
1783
1784 for (@$files) {
1785 utf8::decode $_; 2353 utf8::decode $_;
1786 next if /\.pst$/; 2354 s/\.map$//; # TODO future compatibility hack
1787 next unless /^$PATH_SEP/o; 2355 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788 2356 ? ()
1789 push @paths, cf::map::normalise $_; 2357 : normalise $_
2358 } @{ aio_readdir $UNIQUEDIR or [] }
1790 } 2359 ]
1791
1792 \@paths
1793} 2360}
1794 2361
1795package cf; 2362=item cf::map::static_maps
2363
2364Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2365file in the shared directory excluding F</styles> and F</editor>). May
2366block.
2367
2368=cut
2369
2370sub static_maps() {
2371 my @dirs = "";
2372 my @maps;
2373
2374 while (@dirs) {
2375 my $dir = shift @dirs;
2376
2377 next if $dir eq "/styles" || $dir eq "/editor";
2378
2379 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2380 or return;
2381
2382 for (@$files) {
2383 s/\.map$// or next;
2384 utf8::decode $_;
2385 push @maps, "$dir/$_";
2386 }
2387
2388 push @dirs, map "$dir/$_", @$dirs;
2389 }
2390
2391 \@maps
2392}
1796 2393
1797=back 2394=back
1798 2395
1799=head3 cf::object 2396=head3 cf::object
1800 2397
… …
1804 2401
1805=over 4 2402=over 4
1806 2403
1807=item $ob->inv_recursive 2404=item $ob->inv_recursive
1808 2405
1809Returns the inventory of the object _and_ their inventories, recursively. 2406Returns the inventory of the object I<and> their inventories, recursively,
2407but I<not> the object itself.
1810 2408
1811=cut 2409=cut
1812 2410
1813sub inv_recursive_; 2411sub inv_recursive_;
1814sub inv_recursive_ { 2412sub inv_recursive_ {
… …
1817 2415
1818sub inv_recursive { 2416sub inv_recursive {
1819 inv_recursive_ inv $_[0] 2417 inv_recursive_ inv $_[0]
1820} 2418}
1821 2419
2420=item $ref = $ob->ref
2421
2422Creates and returns a persistent reference to an object that can be stored as a string.
2423
2424=item $ob = cf::object::deref ($refstring)
2425
2426returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2427even if the object actually exists. May block.
2428
2429=cut
2430
2431sub deref {
2432 my ($ref) = @_;
2433
2434 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2435 my ($uuid, $name) = ($1, $2);
2436 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2437 or return;
2438 $pl->ob->uuid eq $uuid
2439 or return;
2440
2441 $pl->ob
2442 } else {
2443 warn "$ref: cannot resolve object reference\n";
2444 undef
2445 }
2446}
2447
1822package cf; 2448package cf;
1823 2449
1824=back 2450=back
1825 2451
1826=head3 cf::object::player 2452=head3 cf::object::player
… …
1832Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2458Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833can be C<undef>. Does the right thing when the player is currently in a 2459can be C<undef>. Does the right thing when the player is currently in a
1834dialogue with the given NPC character. 2460dialogue with the given NPC character.
1835 2461
1836=cut 2462=cut
2463
2464our $SAY_CHANNEL = {
2465 id => "say",
2466 title => "Map",
2467 reply => "say ",
2468 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2469};
2470
2471our $CHAT_CHANNEL = {
2472 id => "chat",
2473 title => "Chat",
2474 reply => "chat ",
2475 tooltip => "Player chat and shouts, global to the server.",
2476};
1837 2477
1838# rough implementation of a future "reply" method that works 2478# rough implementation of a future "reply" method that works
1839# with dialog boxes. 2479# with dialog boxes.
1840#TODO: the first argument must go, split into a $npc->reply_to ( method 2480#TODO: the first argument must go, split into a $npc->reply_to ( method
1841sub cf::object::player::reply($$$;$) { 2481sub cf::object::player::reply($$$;$) {
… …
1843 2483
1844 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2484 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845 2485
1846 if ($self->{record_replies}) { 2486 if ($self->{record_replies}) {
1847 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2487 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2488
1848 } else { 2489 } else {
2490 my $pl = $self->contr;
2491
2492 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2493 my $dialog = $pl->{npc_dialog};
2494 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2495
2496 } else {
1849 $msg = $npc->name . " says: $msg" if $npc; 2497 $msg = $npc->name . " says: $msg" if $npc;
1850 $self->message ($msg, $flags); 2498 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2499 }
1851 } 2500 }
2501}
2502
2503=item $object->send_msg ($channel, $msg, $color, [extra...])
2504
2505=cut
2506
2507sub cf::object::send_msg {
2508 my $pl = shift->contr
2509 or return;
2510 $pl->send_msg (@_);
1852} 2511}
1853 2512
1854=item $player_object->may ("access") 2513=item $player_object->may ("access")
1855 2514
1856Returns wether the given player is authorized to access resource "access" 2515Returns wether the given player is authorized to access resource "access"
… …
1869 2528
1870=item $player_object->enter_link 2529=item $player_object->enter_link
1871 2530
1872Freezes the player and moves him/her to a special map (C<{link}>). 2531Freezes the player and moves him/her to a special map (C<{link}>).
1873 2532
1874The player should be reasonably safe there for short amounts of time. You 2533The player should be reasonably safe there for short amounts of time (e.g.
1875I<MUST> call C<leave_link> as soon as possible, though. 2534for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2535though, as the palyer cannot control the character while it is on the link
2536map.
1876 2537
1877Will never block. 2538Will never block.
1878 2539
1879=item $player_object->leave_link ($map, $x, $y) 2540=item $player_object->leave_link ($map, $x, $y)
1880 2541
… …
1932 ($x, $y) = (-1, -1) 2593 ($x, $y) = (-1, -1)
1933 unless (defined $x) && (defined $y); 2594 unless (defined $x) && (defined $y);
1934 2595
1935 # use -1 or undef as default coordinates, not 0, 0 2596 # use -1 or undef as default coordinates, not 0, 0
1936 ($x, $y) = ($map->enter_x, $map->enter_y) 2597 ($x, $y) = ($map->enter_x, $map->enter_y)
1937 if $x <=0 && $y <= 0; 2598 if $x <= 0 && $y <= 0;
1938 2599
1939 $map->load; 2600 $map->load;
1940 $map->load_diag; 2601 $map->load_neighbours;
1941 2602
1942 return unless $self->contr->active; 2603 return unless $self->contr->active;
1943 $self->activate_recursive;
1944 2604
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2605 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946 $self->enter_map ($map, $x, $y); 2606 $self->enter_map ($map, $x, $y);
1947}
1948 2607
2608 # only activate afterwards, to support waiting in hooks
2609 $self->activate_recursive;
2610}
2611
1949=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2612=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950 2613
1951Moves the player to the given map-path and coordinates by first freezing 2614Moves the player to the given map-path and coordinates by first freezing
1952her, loading and preparing them map, calling the provided $check callback 2615her, loading and preparing them map, calling the provided $check callback
1953that has to return the map if sucecssful, and then unfreezes the player on 2616that has to return the map if sucecssful, and then unfreezes the player on
1954the new (success) or old (failed) map position. 2617the new (success) or old (failed) map position. In either case, $done will
2618be called at the end of this process.
2619
2620Note that $check will be called with a potentially non-loaded map, so if
2621it needs a loaded map it has to call C<< ->load >>.
1955 2622
1956=cut 2623=cut
1957 2624
1958our $GOTOGEN; 2625our $GOTOGEN;
1959 2626
1960sub cf::object::player::goto { 2627sub cf::object::player::goto {
1961 my ($self, $path, $x, $y, $check) = @_; 2628 my ($self, $path, $x, $y, $check, $done) = @_;
1962 2629
1963 # do generation counting so two concurrent goto's will be executed in-order 2630 # do generation counting so two concurrent goto's will be executed in-order
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2631 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965 2632
1966 $self->enter_link; 2633 $self->enter_link;
1967 2634
1968 (async { 2635 (async {
2636 $Coro::current->{desc} = "player::goto $path $x $y";
2637
2638 # *tag paths override both path and x|y
2639 if ($path =~ /^\*(.*)$/) {
2640 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2641 my $ob = $obs[rand @obs];
2642
2643 # see if we actually can go there
2644 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2645 $ob = $obs[rand @obs];
2646 } else {
2647 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2648 }
2649 # else put us there anyways for now #d#
2650
2651 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2652 } else {
2653 ($path, $x, $y) = (undef, undef, undef);
2654 }
2655 }
2656
1969 my $map = eval { 2657 my $map = eval {
1970 my $map = cf::map::find $path; 2658 my $map = defined $path ? cf::map::find $path : undef;
1971 2659
1972 if ($map) { 2660 if ($map) {
1973 $map = $map->customise_for ($self); 2661 $map = $map->customise_for ($self);
1974 $map = $check->($map) if $check && $map; 2662 $map = $check->($map) if $check && $map;
1975 } else { 2663 } else {
1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2664 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977 } 2665 }
1978 2666
1979 $map 2667 $map
1980 }; 2668 };
1981 2669
… …
1986 2674
1987 if ($gen == $self->{_goto_generation}) { 2675 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation}; 2676 delete $self->{_goto_generation};
1989 $self->leave_link ($map, $x, $y); 2677 $self->leave_link ($map, $x, $y);
1990 } 2678 }
2679
2680 $done->() if $done;
1991 })->prio (1); 2681 })->prio (1);
1992} 2682}
1993 2683
1994=item $player_object->enter_exit ($exit_object) 2684=item $player_object->enter_exit ($exit_object)
1995 2685
… …
2015} 2705}
2016 2706
2017sub prepare_random_map { 2707sub prepare_random_map {
2018 my ($exit) = @_; 2708 my ($exit) = @_;
2019 2709
2020 my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022 # all this does is basically replace the /! path by 2710 # all this does is basically replace the /! path by
2023 # a new random map path (?random/...) with a seed 2711 # a new random map path (?random/...) with a seed
2024 # that depends on the exit object 2712 # that depends on the exit object
2025 2713
2026 my $rmp = parse_random_map_params $exit->msg; 2714 my $rmp = parse_random_map_params $exit->msg;
… …
2028 if ($exit->map) { 2716 if ($exit->map) {
2029 $rmp->{region} = $exit->region->name; 2717 $rmp->{region} = $exit->region->name;
2030 $rmp->{origin_map} = $exit->map->path; 2718 $rmp->{origin_map} = $exit->map->path;
2031 $rmp->{origin_x} = $exit->x; 2719 $rmp->{origin_x} = $exit->x;
2032 $rmp->{origin_y} = $exit->y; 2720 $rmp->{origin_y} = $exit->y;
2721
2722 $exit->map->touch;
2033 } 2723 }
2034 2724
2035 $rmp->{random_seed} ||= $exit->random_seed; 2725 $rmp->{random_seed} ||= $exit->random_seed;
2036 2726
2037 my $data = cf::to_json $rmp; 2727 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038 my $md5 = Digest::MD5::md5_hex $data; 2728 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta"; 2729 my $meta = "$RANDOMDIR/$md5.meta";
2040 2730
2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2731 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042 aio_write $fh, 0, (length $data), $data, 0; 2732 aio_write $fh, 0, (length $data), $data, 0;
2043 undef $fh; 2733 undef $fh;
2044 aio_rename "$meta~", $meta; 2734 aio_rename "$meta~", $meta;
2045 2735
2736 my $slaying = "?random/$md5";
2737
2738 if ($exit->valid) {
2046 $exit->slaying ("?random/$md5"); 2739 $exit->slaying ("?random/$md5");
2047 $exit->msg (undef); 2740 $exit->msg (undef);
2741 }
2048 } 2742 }
2049} 2743}
2050 2744
2051sub cf::object::player::enter_exit { 2745sub cf::object::player::enter_exit {
2052 my ($self, $exit) = @_; 2746 my ($self, $exit) = @_;
2053 2747
2054 return unless $self->type == cf::PLAYER; 2748 return unless $self->type == cf::PLAYER;
2055 2749
2056 if ($exit->slaying eq "/!") {
2057 #TODO: this should de-fi-ni-te-ly not be a sync-job
2058 # the problem is that $exit might not survive long enough
2059 # so it needs to be done right now, right here
2060 cf::sync_job { prepare_random_map $exit };
2061 }
2062
2063 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp;
2066
2067 $self->enter_link; 2750 $self->enter_link;
2068 2751
2069 (async { 2752 (async {
2070 $self->deactivate_recursive; # just to be sure 2753 $Coro::current->{desc} = "enter_exit";
2754
2071 unless (eval { 2755 unless (eval {
2756 $self->deactivate_recursive; # just to be sure
2757
2758 # random map handling
2759 {
2760 my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762 prepare_random_map $exit
2763 if $exit->slaying eq "/!";
2764 }
2765
2766 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2767 my $x = $exit->stats->hp;
2768 my $y = $exit->stats->sp;
2769
2072 $self->goto ($slaying, $hp, $sp); 2770 $self->goto ($map, $x, $y);
2073 2771
2772 # if exit is damned, update players death & WoR home-position
2773 $self->contr->savebed ($map, $x, $y)
2774 if $exit->flag (cf::FLAG_DAMNED);
2775
2074 1; 2776 1
2075 }) { 2777 }) {
2076 $self->message ("Something went wrong deep within the crossfire server. " 2778 $self->message ("Something went wrong deep within the deliantra server. "
2077 . "I'll try to bring you back to the map you were before. " 2779 . "I'll try to bring you back to the map you were before. "
2078 . "Please report this to the dungeon master!", 2780 . "Please report this to the dungeon master!",
2079 cf::NDI_UNIQUE | cf::NDI_RED); 2781 cf::NDI_UNIQUE | cf::NDI_RED);
2080 2782
2081 warn "ERROR in enter_exit: $@"; 2783 warn "ERROR in enter_exit: $@";
… …
2100 2802
2101 utf8::encode $text; 2803 utf8::encode $text;
2102 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2804 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103} 2805}
2104 2806
2807=item $client->send_big_packet ($pkt)
2808
2809Like C<send_packet>, but tries to compress large packets, and fragments
2810them as required.
2811
2812=cut
2813
2814our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2815
2816sub cf::client::send_big_packet {
2817 my ($self, $pkt) = @_;
2818
2819 # try lzf for large packets
2820 $pkt = "lzf " . Compress::LZF::compress $pkt
2821 if 1024 <= length $pkt and $self->{can_lzf};
2822
2823 # split very large packets
2824 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2825 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2826 $pkt = "frag";
2827 }
2828
2829 $self->send_packet ($pkt);
2830}
2831
2832=item $client->send_msg ($channel, $msg, $color, [extra...])
2833
2834Send a drawinfo or msg packet to the client, formatting the msg for the
2835client if neccessary. C<$type> should be a string identifying the type of
2836the message, with C<log> being the default. If C<$color> is negative, suppress
2837the message unless the client supports the msg packet.
2838
2839=cut
2840
2841# non-persistent channels (usually the info channel)
2842our %CHANNEL = (
2843 "c/motd" => {
2844 id => "infobox",
2845 title => "MOTD",
2846 reply => undef,
2847 tooltip => "The message of the day",
2848 },
2849 "c/identify" => {
2850 id => "infobox",
2851 title => "Identify",
2852 reply => undef,
2853 tooltip => "Items recently identified",
2854 },
2855 "c/examine" => {
2856 id => "infobox",
2857 title => "Examine",
2858 reply => undef,
2859 tooltip => "Signs and other items you examined",
2860 },
2861 "c/shopinfo" => {
2862 id => "infobox",
2863 title => "Shop Info",
2864 reply => undef,
2865 tooltip => "What your bargaining skill tells you about the shop",
2866 },
2867 "c/book" => {
2868 id => "infobox",
2869 title => "Book",
2870 reply => undef,
2871 tooltip => "The contents of a note or book",
2872 },
2873 "c/lookat" => {
2874 id => "infobox",
2875 title => "Look",
2876 reply => undef,
2877 tooltip => "What you saw there",
2878 },
2879 "c/who" => {
2880 id => "infobox",
2881 title => "Players",
2882 reply => undef,
2883 tooltip => "Shows players who are currently online",
2884 },
2885 "c/body" => {
2886 id => "infobox",
2887 title => "Body Parts",
2888 reply => undef,
2889 tooltip => "Shows which body parts you posess and are available",
2890 },
2891 "c/statistics" => {
2892 id => "infobox",
2893 title => "Statistics",
2894 reply => undef,
2895 tooltip => "Shows your primary statistics",
2896 },
2897 "c/skills" => {
2898 id => "infobox",
2899 title => "Skills",
2900 reply => undef,
2901 tooltip => "Shows your experience per skill and item power",
2902 },
2903 "c/shopitems" => {
2904 id => "infobox",
2905 title => "Shop Items",
2906 reply => undef,
2907 tooltip => "Shows the items currently for sale in this shop",
2908 },
2909 "c/resistances" => {
2910 id => "infobox",
2911 title => "Resistances",
2912 reply => undef,
2913 tooltip => "Shows your resistances",
2914 },
2915 "c/pets" => {
2916 id => "infobox",
2917 title => "Pets",
2918 reply => undef,
2919 tooltip => "Shows information abotu your pets/a specific pet",
2920 },
2921 "c/perceiveself" => {
2922 id => "infobox",
2923 title => "Perceive Self",
2924 reply => undef,
2925 tooltip => "You gained detailed knowledge about yourself",
2926 },
2927 "c/uptime" => {
2928 id => "infobox",
2929 title => "Uptime",
2930 reply => undef,
2931 tooltip => "How long the server has been running since last restart",
2932 },
2933 "c/mapinfo" => {
2934 id => "infobox",
2935 title => "Map Info",
2936 reply => undef,
2937 tooltip => "Information related to the maps",
2938 },
2939 "c/party" => {
2940 id => "party",
2941 title => "Party",
2942 reply => "gsay ",
2943 tooltip => "Messages and chat related to your party",
2944 },
2945 "c/death" => {
2946 id => "death",
2947 title => "Death",
2948 reply => undef,
2949 tooltip => "Reason for and more info about your most recent death",
2950 },
2951 "c/say" => $SAY_CHANNEL,
2952 "c/chat" => $CHAT_CHANNEL,
2953);
2954
2955sub cf::client::send_msg {
2956 my ($self, $channel, $msg, $color, @extra) = @_;
2957
2958 $msg = $self->pl->expand_cfpod ($msg)
2959 unless $color & cf::NDI_VERBATIM;
2960
2961 $color &= cf::NDI_CLIENT_MASK; # just in case...
2962
2963 # check predefined channels, for the benefit of C
2964 if ($CHANNEL{$channel}) {
2965 $channel = $CHANNEL{$channel};
2966
2967 $self->ext_msg (channel_info => $channel);
2968 $channel = $channel->{id};
2969
2970 } elsif (ref $channel) {
2971 # send meta info to client, if not yet sent
2972 unless (exists $self->{channel}{$channel->{id}}) {
2973 $self->{channel}{$channel->{id}} = $channel;
2974 $self->ext_msg (channel_info => $channel);
2975 }
2976
2977 $channel = $channel->{id};
2978 }
2979
2980 return unless @extra || length $msg;
2981
2982 # default colour, mask it out
2983 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2984 if $color & cf::NDI_DEF;
2985
2986 my $pkt = "msg "
2987 . $self->{json_coder}->encode (
2988 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2989 );
2990
2991 $self->send_big_packet ($pkt);
2992}
2993
2105=item $client->ext_event ($type, %msg) 2994=item $client->ext_msg ($type, @msg)
2106 2995
2107Sends an exti event to the client. 2996Sends an ext event to the client.
2108 2997
2109=cut 2998=cut
2110 2999
2111sub cf::client::ext_event($$%) { 3000sub cf::client::ext_msg($$@) {
2112 my ($self, $type, %msg) = @_; 3001 my ($self, $type, @msg) = @_;
2113 3002
3003 if ($self->extcmd == 2) {
3004 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3005 } elsif ($self->extcmd == 1) { # TODO: remove
2114 $msg{msgtype} = "event_$type"; 3006 push @msg, msgtype => "event_$type";
2115 $self->send_packet ("ext " . cf::to_json \%msg); 3007 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3008 }
3009}
3010
3011=item $client->ext_reply ($msgid, @msg)
3012
3013Sends an ext reply to the client.
3014
3015=cut
3016
3017sub cf::client::ext_reply($$@) {
3018 my ($self, $id, @msg) = @_;
3019
3020 if ($self->extcmd == 2) {
3021 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3022 } elsif ($self->extcmd == 1) {
3023 #TODO: version 1, remove
3024 unshift @msg, msgtype => "reply", msgid => $id;
3025 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3026 }
2116} 3027}
2117 3028
2118=item $success = $client->query ($flags, "text", \&cb) 3029=item $success = $client->query ($flags, "text", \&cb)
2119 3030
2120Queues a query to the client, calling the given callback with 3031Queues a query to the client, calling the given callback with
2121the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3032the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3033C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123 3034
2124Queries can fail, so check the return code. Or don't, as queries will become 3035Queries can fail, so check the return code. Or don't, as queries will
2125reliable at some point in the future. 3036become reliable at some point in the future.
2126 3037
2127=cut 3038=cut
2128 3039
2129sub cf::client::query { 3040sub cf::client::query {
2130 my ($self, $flags, $text, $cb) = @_; 3041 my ($self, $flags, $text, $cb) = @_;
… …
2138 utf8::encode $text; 3049 utf8::encode $text;
2139 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3050 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140 3051
2141 $self->send_packet ($self->{query_queue}[0][0]) 3052 $self->send_packet ($self->{query_queue}[0][0])
2142 if @{ $self->{query_queue} } == 1; 3053 if @{ $self->{query_queue} } == 1;
3054
3055 1
2143} 3056}
2144 3057
2145cf::client->attach ( 3058cf::client->attach (
3059 on_connect => sub {
3060 my ($ns) = @_;
3061
3062 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3063 },
2146 on_reply => sub { 3064 on_reply => sub {
2147 my ($ns, $msg) = @_; 3065 my ($ns, $msg) = @_;
2148 3066
2149 # this weird shuffling is so that direct followup queries 3067 # this weird shuffling is so that direct followup queries
2150 # get handled first 3068 # get handled first
… …
2162 } else { 3080 } else {
2163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3081 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164 } 3082 }
2165 } 3083 }
2166 }, 3084 },
3085 on_exticmd => sub {
3086 my ($ns, $buf) = @_;
3087
3088 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3089
3090 if (ref $msg) {
3091 my ($type, $reply, @payload) =
3092 "ARRAY" eq ref $msg
3093 ? @$msg
3094 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3095
3096 my @reply;
3097
3098 if (my $cb = $EXTICMD{$type}) {
3099 @reply = $cb->($ns, @payload);
3100 }
3101
3102 $ns->ext_reply ($reply, @reply)
3103 if $reply;
3104
3105 } else {
3106 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3107 }
3108
3109 cf::override;
3110 },
2167); 3111);
2168 3112
2169=item $client->async (\&cb) 3113=item $client->async (\&cb)
2170 3114
2171Create a new coroutine, running the specified callback. The coroutine will 3115Create a new coroutine, running the specified callback. The coroutine will
… …
2212our $safe = new Safe "safe"; 3156our $safe = new Safe "safe";
2213our $safe_hole = new Safe::Hole; 3157our $safe_hole = new Safe::Hole;
2214 3158
2215$SIG{FPE} = 'IGNORE'; 3159$SIG{FPE} = 'IGNORE';
2216 3160
2217$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3161$safe->permit_only (Opcode::opset qw(
3162 :base_core :base_mem :base_orig :base_math :base_loop
3163 grepstart grepwhile mapstart mapwhile
3164 sort time
3165));
2218 3166
2219# here we export the classes and methods available to script code 3167# here we export the classes and methods available to script code
2220 3168
2221=pod 3169=pod
2222 3170
2223The following functions and methods are available within a safe environment: 3171The following functions and methods are available within a safe environment:
2224 3172
2225 cf::object contr pay_amount pay_player map 3173 cf::object
3174 contr pay_amount pay_player map x y force_find force_add destroy
3175 insert remove name archname title slaying race decrease split
3176 value
3177
2226 cf::object::player player 3178 cf::object::player
2227 cf::player peaceful 3179 player
2228 cf::map trigger 3180
3181 cf::player
3182 peaceful
3183
3184 cf::map
3185 trigger
2229 3186
2230=cut 3187=cut
2231 3188
2232for ( 3189for (
2233 ["cf::object" => qw(contr pay_amount pay_player map)], 3190 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3191 insert remove inv nrof name archname title slaying race
3192 decrease split destroy change_exp value msg lore send_msg)],
2234 ["cf::object::player" => qw(player)], 3193 ["cf::object::player" => qw(player)],
2235 ["cf::player" => qw(peaceful)], 3194 ["cf::player" => qw(peaceful send_msg)],
2236 ["cf::map" => qw(trigger)], 3195 ["cf::map" => qw(trigger)],
2237) { 3196) {
2238 no strict 'refs'; 3197 no strict 'refs';
2239 my ($pkg, @funs) = @$_; 3198 my ($pkg, @funs) = @$_;
2240 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3199 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2258 3217
2259 my $qcode = $code; 3218 my $qcode = $code;
2260 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3219 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2261 $qcode =~ s/\n/\\n/g; 3220 $qcode =~ s/\n/\\n/g;
2262 3221
3222 %vars = (_dummy => 0) unless %vars;
3223
3224 my @res;
2263 local $_; 3225 local $_;
2264 local @safe::cf::_safe_eval_args = values %vars;
2265 3226
2266 my $eval = 3227 my $eval =
2267 "do {\n" 3228 "do {\n"
2268 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3229 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269 . "#line 0 \"{$qcode}\"\n" 3230 . "#line 0 \"{$qcode}\"\n"
2270 . $code 3231 . $code
2271 . "\n}" 3232 . "\n}"
2272 ; 3233 ;
2273 3234
3235 if ($CFG{safe_eval}) {
2274 sub_generation_inc; 3236 sub_generation_inc;
3237 local @safe::cf::_safe_eval_args = values %vars;
2275 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3238 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276 sub_generation_inc; 3239 sub_generation_inc;
3240 } else {
3241 local @cf::_safe_eval_args = values %vars;
3242 @res = wantarray ? eval eval : scalar eval $eval;
3243 }
2277 3244
2278 if ($@) { 3245 if ($@) {
2279 warn "$@"; 3246 warn "$@";
2280 warn "while executing safe code '$code'\n"; 3247 warn "while executing safe code '$code'\n";
2281 warn "with arguments " . (join " ", %vars) . "\n"; 3248 warn "with arguments " . (join " ", %vars) . "\n";
… …
2300=cut 3267=cut
2301 3268
2302sub register_script_function { 3269sub register_script_function {
2303 my ($fun, $cb) = @_; 3270 my ($fun, $cb) = @_;
2304 3271
2305 no strict 'refs'; 3272 $fun = "safe::$fun" if $CFG{safe_eval};
2306 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3273 *$fun = $safe_hole->wrap ($cb);
2307} 3274}
2308 3275
2309=back 3276=back
2310 3277
2311=cut 3278=cut
2312
2313#############################################################################
2314
2315=head2 EXTENSION DATABASE SUPPORT
2316
2317Crossfire maintains a very simple database for extension use. It can
2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319convert to/from binary).
2320
2321The parameter C<$family> should best start with the name of the extension
2322using it, it should be unique.
2323
2324=over 4
2325
2326=item $value = cf::db_get $family => $key
2327
2328Returns a single value from the database.
2329
2330=item cf::db_put $family => $key => $value
2331
2332Stores the given C<$value> in the family.
2333
2334=cut
2335
2336our $DB;
2337
2338sub db_init {
2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2341
2342 cf::sync_job {
2343 eval {
2344 $DB->set_flags (BDB::CHKSUM);
2345
2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348 cf::cleanup "db_open(db): $!" if $!;
2349 };
2350 cf::cleanup "db_open(db): $@" if $@;
2351 };
2352 }
2353}
2354
2355sub db_get($$) {
2356 my $key = "$_[0]/$_[1]";
2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2366sub db_put($$$) {
2367 BDB::dbreq_pri 4;
2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369}
2370
2371=item cf::cache $id => [$paths...], $processversion => $process
2372
2373Generic caching function that returns the value of the resource $id,
2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2403 }
2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2483}
2484 3279
2485############################################################################# 3280#############################################################################
2486# the server's init and main functions 3281# the server's init and main functions
2487 3282
2488sub load_facedata($) { 3283sub load_facedata($) {
2489 my ($path) = @_; 3284 my ($path) = @_;
3285
3286 # HACK to clear player env face cache, we need some signal framework
3287 # for this (global event?)
3288 %ext::player_env::MUSIC_FACE_CACHE = ();
3289
3290 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2490 3291
2491 warn "loading facedata from $path\n"; 3292 warn "loading facedata from $path\n";
2492 3293
2493 my $facedata; 3294 my $facedata;
2494 0 < aio_load $path, $facedata 3295 0 < aio_load $path, $facedata
… …
2497 $facedata = Coro::Storable::thaw $facedata; 3298 $facedata = Coro::Storable::thaw $facedata;
2498 3299
2499 $facedata->{version} == 2 3300 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed."; 3301 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501 3302
3303 # patch in the exptable
3304 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3305 $facedata->{resource}{"res/exp_table"} = {
3306 type => FT_RSRC,
3307 data => $exp_table,
3308 hash => (Digest::MD5::md5 $exp_table),
3309 };
3310 cf::cede_to_tick;
3311
2502 { 3312 {
2503 my $faces = $facedata->{faceinfo}; 3313 my $faces = $facedata->{faceinfo};
2504 3314
2505 while (my ($face, $info) = each %$faces) { 3315 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3316 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3317
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3318 cf::face::set_visibility $idx, $info->{visibility};
3319 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3320 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3321 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510 Coro::cede; 3322
3323 cf::cede_to_tick;
2511 } 3324 }
2512 3325
2513 while (my ($face, $info) = each %$faces) { 3326 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3327 next unless $info->{smooth};
3328
2515 my $idx = cf::face::find $face 3329 my $idx = cf::face::find $face
2516 or next; 3330 or next;
3331
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3332 if (my $smooth = cf::face::find $info->{smooth}) {
3333 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3334 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3335 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3336 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3337 }
2522 Coro::cede; 3338
3339 cf::cede_to_tick;
2523 } 3340 }
2524 } 3341 }
2525 3342
2526 { 3343 {
2527 my $anims = $facedata->{animinfo}; 3344 my $anims = $facedata->{animinfo};
2528 3345
2529 while (my ($anim, $info) = each %$anims) { 3346 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3347 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3348 cf::cede_to_tick;
2532 } 3349 }
2533 3350
2534 cf::anim::invalidate_all; # d'oh 3351 cf::anim::invalidate_all; # d'oh
2535 } 3352 }
2536 3353
3354 {
3355 my $res = $facedata->{resource};
3356
3357 while (my ($name, $info) = each %$res) {
3358 if (defined $info->{type}) {
3359 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3360
3361 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3362 cf::face::set_type $idx, $info->{type};
3363 } else {
3364 $RESOURCE{$name} = $info;
3365 }
3366
3367 cf::cede_to_tick;
3368 }
3369 }
3370
3371 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3372
2537 1 3373 1
2538} 3374}
2539 3375
3376cf::global->attach (on_resource_update => sub {
3377 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3378 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3379
3380 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3381 my $sound = $soundconf->{compat}[$_]
3382 or next;
3383
3384 my $face = cf::face::find "sound/$sound->[1]";
3385 cf::sound::set $sound->[0] => $face;
3386 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3387 }
3388
3389 while (my ($k, $v) = each %{$soundconf->{event}}) {
3390 my $face = cf::face::find "sound/$v";
3391 cf::sound::set $k => $face;
3392 }
3393 }
3394});
3395
3396register_exticmd fx_want => sub {
3397 my ($ns, $want) = @_;
3398
3399 while (my ($k, $v) = each %$want) {
3400 $ns->fx_want ($k, $v);
3401 }
3402};
3403
3404sub load_resource_file($) {
3405 my $guard = lock_acquire "load_resource_file";
3406
3407 my $status = load_resource_file_ $_[0];
3408 get_slot 0.1, 100;
3409 cf::arch::commit_load;
3410
3411 $status
3412}
3413
2540sub reload_regions { 3414sub reload_regions {
3415 # HACK to clear player env face cache, we need some signal framework
3416 # for this (global event?)
3417 %ext::player_env::MUSIC_FACE_CACHE = ();
3418
2541 load_resource_file "$MAPDIR/regions" 3419 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3420 or die "unable to load regions file\n";
3421
3422 for (cf::region::list) {
3423 $_->{match} = qr/$_->{match}/
3424 if exists $_->{match};
3425 }
2543} 3426}
2544 3427
2545sub reload_facedata { 3428sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3429 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3430 or die "unable to load facedata\n";
… …
2558} 3441}
2559 3442
2560sub reload_resources { 3443sub reload_resources {
2561 warn "reloading resource files...\n"; 3444 warn "reloading resource files...\n";
2562 3445
2563 reload_regions;
2564 reload_facedata; 3446 reload_facedata;
2565 reload_archetypes; 3447 reload_archetypes;
3448 reload_regions;
2566 reload_treasures; 3449 reload_treasures;
2567 3450
2568 warn "finished reloading resource files\n"; 3451 warn "finished reloading resource files\n";
2569} 3452}
2570 3453
2571sub init { 3454sub reload_config {
2572 reload_resources; 3455 warn "reloading config file...\n";
2573}
2574 3456
2575sub cfg_load {
2576 open my $fh, "<:utf8", "$CONFDIR/config" 3457 open my $fh, "<:utf8", "$CONFDIR/config"
2577 or return; 3458 or return;
2578 3459
2579 local $/; 3460 local $/;
2580 *CFG = YAML::Syck::Load <$fh>; 3461 *CFG = YAML::XS::Load scalar <$fh>;
2581 3462
2582 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3463 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583 3464
2584 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3465 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3466 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2589 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3470 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590 and die "WARNING: m(un)lockall failed: $!\n"; 3471 and die "WARNING: m(un)lockall failed: $!\n";
2591 }; 3472 };
2592 warn $@ if $@; 3473 warn $@ if $@;
2593 } 3474 }
3475
3476 warn "finished reloading resource files\n";
3477}
3478
3479sub pidfile() {
3480 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3481 or die "$PIDFILE: $!";
3482 flock $fh, &Fcntl::LOCK_EX
3483 or die "$PIDFILE: flock: $!";
3484 $fh
3485}
3486
3487# make sure only one server instance is running at any one time
3488sub atomic {
3489 my $fh = pidfile;
3490
3491 my $pid = <$fh>;
3492 kill 9, $pid if $pid > 0;
3493
3494 seek $fh, 0, 0;
3495 print $fh $$;
3496}
3497
3498sub main_loop {
3499 warn "EV::loop starting\n";
3500 if (1) {
3501 EV::loop;
3502 }
3503 warn "EV::loop returned\n";
3504 goto &main_loop unless $REALLY_UNLOOP;
2594} 3505}
2595 3506
2596sub main { 3507sub main {
3508 cf::init_globals; # initialise logging
3509
3510 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3511 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3512 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3513 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3514
3515 cf::init_experience;
3516 cf::init_anim;
3517 cf::init_attackmess;
3518 cf::init_dynamic;
3519
3520 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3521
2597 # we must not ever block the main coroutine 3522 # we must not ever block the main coroutine
2598 local $Coro::idle = sub { 3523 local $Coro::idle = sub {
2599 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3524 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600 (async { 3525 (async {
2601 Event::one_event; 3526 $Coro::current->{desc} = "IDLE BUG HANDLER";
3527 EV::loop EV::LOOP_ONESHOT;
2602 })->prio (Coro::PRIO_MAX); 3528 })->prio (Coro::PRIO_MAX);
2603 }; 3529 };
2604 3530
2605 cfg_load; 3531 evthread_start IO::AIO::poll_fileno;
3532
3533 cf::sync_job {
3534 cf::load_settings;
3535 cf::load_materials;
3536
3537 reload_resources;
3538 reload_config;
2606 db_init; 3539 db_init;
3540
3541 cf::init_uuid;
3542 cf::init_signals;
3543 cf::init_commands;
3544 cf::init_skills;
3545
3546 cf::init_beforeplay;
3547
3548 atomic;
3549
2607 load_extensions; 3550 load_extensions;
2608 3551
2609 $TICK_WATCHER->start; 3552 utime time, time, $RUNTIMEFILE;
2610 Event::loop; 3553
3554 # no (long-running) fork's whatsoever before this point(!)
3555 use POSIX ();
3556 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3557
3558 (pop @POST_INIT)->(0) while @POST_INIT;
3559 };
3560
3561 main_loop;
2611} 3562}
2612 3563
2613############################################################################# 3564#############################################################################
2614# initialisation and cleanup 3565# initialisation and cleanup
2615 3566
2616# install some emergency cleanup handlers 3567# install some emergency cleanup handlers
2617BEGIN { 3568BEGIN {
3569 our %SIGWATCHER = ();
2618 for my $signal (qw(INT HUP TERM)) { 3570 for my $signal (qw(INT HUP TERM)) {
2619 Event->signal ( 3571 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 signal => $signal,
2623 prio => 0,
2624 cb => sub {
2625 cf::cleanup "SIG$signal"; 3572 cf::cleanup "SIG$signal";
2626 },
2627 ); 3573 };
3574 }
3575}
3576
3577sub write_runtime_sync {
3578 # first touch the runtime file to show we are still running:
3579 # the fsync below can take a very very long time.
3580
3581 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3582
3583 my $guard = cf::lock_acquire "write_runtime";
3584
3585 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3586 or return;
3587
3588 my $value = $cf::RUNTIME + 90 + 10;
3589 # 10 is the runtime save interval, for a monotonic clock
3590 # 60 allows for the watchdog to kill the server.
3591
3592 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3593 and return;
3594
3595 # always fsync - this file is important
3596 aio_fsync $fh
3597 and return;
3598
3599 # touch it again to show we are up-to-date
3600 aio_utime $fh, undef, undef;
3601
3602 close $fh
3603 or return;
3604
3605 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3606 and return;
3607
3608 warn "runtime file written.\n";
3609
2628 } 3610 1
3611}
3612
3613our $uuid_lock;
3614our $uuid_skip;
3615
3616sub write_uuid_sync($) {
3617 $uuid_skip ||= $_[0];
3618
3619 return if $uuid_lock;
3620 local $uuid_lock = 1;
3621
3622 my $uuid = "$LOCALDIR/uuid";
3623
3624 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3625 or return;
3626
3627 my $value = uuid_seq uuid_cur;
3628
3629 unless ($value) {
3630 warn "cowardly refusing to write zero uuid value!\n";
3631 return;
3632 }
3633
3634 my $value = uuid_str $value + $uuid_skip;
3635 $uuid_skip = 0;
3636
3637 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3638 and return;
3639
3640 # always fsync - this file is important
3641 aio_fsync $fh
3642 and return;
3643
3644 close $fh
3645 or return;
3646
3647 aio_rename "$uuid~", $uuid
3648 and return;
3649
3650 warn "uuid file written ($value).\n";
3651
3652 1
3653
3654}
3655
3656sub write_uuid($$) {
3657 my ($skip, $sync) = @_;
3658
3659 $sync ? write_uuid_sync $skip
3660 : async { write_uuid_sync $skip };
2629} 3661}
2630 3662
2631sub emergency_save() { 3663sub emergency_save() {
2632 my $freeze_guard = cf::freeze_mainloop; 3664 my $freeze_guard = cf::freeze_mainloop;
2633 3665
2634 warn "enter emergency perl save\n"; 3666 warn "emergency_perl_save: enter\n";
2635 3667
2636 cf::sync_job { 3668 cf::sync_job {
3669 # this is a trade-off: we want to be very quick here, so
3670 # save all maps without fsync, and later call a global sync
3671 # (which in turn might be very very slow)
3672 local $USE_FSYNC = 0;
3673
2637 # use a peculiar iteration method to avoid tripping on perl 3674 # use a peculiar iteration method to avoid tripping on perl
2638 # refcount bugs in for. also avoids problems with players 3675 # refcount bugs in for. also avoids problems with players
2639 # and maps saved/destroyed asynchronously. 3676 # and maps saved/destroyed asynchronously.
2640 warn "begin emergency player save\n"; 3677 warn "emergency_perl_save: begin player save\n";
2641 for my $login (keys %cf::PLAYER) { 3678 for my $login (keys %cf::PLAYER) {
2642 my $pl = $cf::PLAYER{$login} or next; 3679 my $pl = $cf::PLAYER{$login} or next;
2643 $pl->valid or next; 3680 $pl->valid or next;
3681 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644 $pl->save; 3682 $pl->save;
2645 } 3683 }
2646 warn "end emergency player save\n"; 3684 warn "emergency_perl_save: end player save\n";
2647 3685
2648 warn "begin emergency map save\n"; 3686 warn "emergency_perl_save: begin map save\n";
2649 for my $path (keys %cf::MAP) { 3687 for my $path (keys %cf::MAP) {
2650 my $map = $cf::MAP{$path} or next; 3688 my $map = $cf::MAP{$path} or next;
2651 $map->valid or next; 3689 $map->valid or next;
2652 $map->save; 3690 $map->save;
2653 } 3691 }
2654 warn "end emergency map save\n"; 3692 warn "emergency_perl_save: end map save\n";
2655 3693
2656 warn "begin emergency database checkpoint\n"; 3694 warn "emergency_perl_save: begin database checkpoint\n";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3695 BDB::db_env_txn_checkpoint $DB_ENV;
2658 warn "end emergency database checkpoint\n"; 3696 warn "emergency_perl_save: end database checkpoint\n";
3697
3698 warn "emergency_perl_save: begin write uuid\n";
3699 write_uuid_sync 1;
3700 warn "emergency_perl_save: end write uuid\n";
2659 }; 3701 };
2660 3702
3703 warn "emergency_perl_save: starting sync()\n";
3704 IO::AIO::aio_sync sub {
3705 warn "emergency_perl_save: finished sync()\n";
3706 };
3707
2661 warn "leave emergency perl save\n"; 3708 warn "emergency_perl_save: leave\n";
2662} 3709}
2663 3710
2664sub post_cleanup { 3711sub post_cleanup {
2665 my ($make_core) = @_; 3712 my ($make_core) = @_;
2666 3713
2667 warn Carp::longmess "post_cleanup backtrace" 3714 warn Carp::longmess "post_cleanup backtrace"
2668 if $make_core; 3715 if $make_core;
3716
3717 my $fh = pidfile;
3718 unlink $PIDFILE if <$fh> == $$;
3719}
3720
3721# a safer delete_package, copied from Symbol
3722sub clear_package($) {
3723 my $pkg = shift;
3724
3725 # expand to full symbol table name if needed
3726 unless ($pkg =~ /^main::.*::$/) {
3727 $pkg = "main$pkg" if $pkg =~ /^::/;
3728 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3729 $pkg .= '::' unless $pkg =~ /::$/;
3730 }
3731
3732 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3733 my $stem_symtab = *{$stem}{HASH};
3734
3735 defined $stem_symtab and exists $stem_symtab->{$leaf}
3736 or return;
3737
3738 # clear all symbols
3739 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3740 for my $name (keys %$leaf_symtab) {
3741 _gv_clear *{"$pkg$name"};
3742# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3743 }
3744 warn "cleared package $pkg\n";#d#
2669} 3745}
2670 3746
2671sub do_reload_perl() { 3747sub do_reload_perl() {
2672 # can/must only be called in main 3748 # can/must only be called in main
2673 if ($Coro::current != $Coro::main) { 3749 if ($Coro::current != $Coro::main) {
2674 warn "can only reload from main coroutine"; 3750 warn "can only reload from main coroutine";
2675 return; 3751 return;
2676 } 3752 }
2677 3753
3754 return if $RELOAD++;
3755
3756 my $t1 = EV::time;
3757
3758 while ($RELOAD) {
2678 warn "reloading..."; 3759 warn "reloading...";
2679 3760
2680 warn "entering sync_job"; 3761 warn "entering sync_job";
2681 3762
2682 cf::sync_job { 3763 cf::sync_job {
2683 cf::write_runtime; # external watchdog should not bark 3764 cf::write_runtime_sync; # external watchdog should not bark
2684 cf::emergency_save; 3765 cf::emergency_save;
2685 cf::write_runtime; # external watchdog should not bark 3766 cf::write_runtime_sync; # external watchdog should not bark
2686 3767
2687 warn "syncing database to disk"; 3768 warn "syncing database to disk";
2688 BDB::db_env_txn_checkpoint $DB_ENV; 3769 BDB::db_env_txn_checkpoint $DB_ENV;
2689 3770
2690 # if anything goes wrong in here, we should simply crash as we already saved 3771 # if anything goes wrong in here, we should simply crash as we already saved
2691 3772
2692 warn "cancelling all WF_AUTOCANCEL watchers";
2693 for (Event::all_watchers) {
2694 $_->cancel if $_->data & WF_AUTOCANCEL;
2695 }
2696
2697 warn "flushing outstanding aio requests"; 3773 warn "flushing outstanding aio requests";
2698 for (;;) {
2699 BDB::flush;
2700 IO::AIO::flush;
2701 Coro::cede;
2702 last unless IO::AIO::nreqs || BDB::nreqs; 3774 while (IO::AIO::nreqs || BDB::nreqs) {
2703 warn "iterate..."; 3775 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704 }
2705
2706 ++$RELOAD;
2707
2708 warn "cancelling all extension coros";
2709 $_->cancel for values %EXT_CORO;
2710 %EXT_CORO = ();
2711
2712 warn "removing commands";
2713 %COMMAND = ();
2714
2715 warn "removing ext commands";
2716 %EXTCMD = ();
2717
2718 warn "unloading/nuking all extensions";
2719 for my $pkg (@EXTS) {
2720 warn "... unloading $pkg";
2721
2722 if (my $cb = $pkg->can ("unload")) {
2723 eval {
2724 $cb->($pkg);
2725 1
2726 } or warn "$pkg unloaded, but with errors: $@";
2727 } 3776 }
2728 3777
2729 warn "... nuking $pkg"; 3778 warn "cancelling all extension coros";
2730 Symbol::delete_package $pkg; 3779 $_->cancel for values %EXT_CORO;
2731 } 3780 %EXT_CORO = ();
2732 3781
2733 warn "unloading all perl modules loaded from $LIBDIR"; 3782 warn "removing commands";
2734 while (my ($k, $v) = each %INC) { 3783 %COMMAND = ();
2735 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736 3784
3785 warn "removing ext/exti commands";
3786 %EXTCMD = ();
3787 %EXTICMD = ();
3788
3789 warn "unloading/nuking all extensions";
3790 for my $pkg (@EXTS) {
2737 warn "... unloading $k"; 3791 warn "... unloading $pkg";
2738 delete $INC{$k};
2739 3792
2740 $k =~ s/\.pm$//;
2741 $k =~ s/\//::/g;
2742
2743 if (my $cb = $k->can ("unload_module")) { 3793 if (my $cb = $pkg->can ("unload")) {
3794 eval {
2744 $cb->(); 3795 $cb->($pkg);
3796 1
3797 } or warn "$pkg unloaded, but with errors: $@";
3798 }
3799
3800 warn "... clearing $pkg";
3801 clear_package $pkg;
2745 } 3802 }
2746 3803
2747 Symbol::delete_package $k; 3804 warn "unloading all perl modules loaded from $LIBDIR";
3805 while (my ($k, $v) = each %INC) {
3806 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3807
3808 warn "... unloading $k";
3809 delete $INC{$k};
3810
3811 $k =~ s/\.pm$//;
3812 $k =~ s/\//::/g;
3813
3814 if (my $cb = $k->can ("unload_module")) {
3815 $cb->();
3816 }
3817
3818 clear_package $k;
2748 } 3819 }
2749 3820
2750 warn "getting rid of safe::, as good as possible"; 3821 warn "getting rid of safe::, as good as possible";
2751 Symbol::delete_package "safe::$_" 3822 clear_package "safe::$_"
2752 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3823 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753 3824
2754 warn "unloading cf.pm \"a bit\""; 3825 warn "unloading cf.pm \"a bit\"";
2755 delete $INC{"cf.pm"}; 3826 delete $INC{"cf.pm"};
2756 delete $INC{"cf/pod.pm"}; 3827 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757 3828
2758 # don't, removes xs symbols, too, 3829 # don't, removes xs symbols, too,
2759 # and global variables created in xs 3830 # and global variables created in xs
2760 #Symbol::delete_package __PACKAGE__; 3831 #clear_package __PACKAGE__;
2761 3832
2762 warn "unload completed, starting to reload now"; 3833 warn "unload completed, starting to reload now";
2763 3834
2764 warn "reloading cf.pm"; 3835 warn "reloading cf.pm";
2765 require cf; 3836 require cf;
2766 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3837 cf::_connect_to_perl_1;
2767 3838
2768 warn "loading config and database again"; 3839 warn "loading config and database again";
2769 cf::cfg_load; 3840 cf::reload_config;
2770 3841
2771 warn "loading extensions"; 3842 warn "loading extensions";
2772 cf::load_extensions; 3843 cf::load_extensions;
2773 3844
3845 if ($REATTACH_ON_RELOAD) {
2774 warn "reattaching attachments to objects/players"; 3846 warn "reattaching attachments to objects/players";
2775 _global_reattach; # objects, sockets 3847 _global_reattach; # objects, sockets
2776 warn "reattaching attachments to maps"; 3848 warn "reattaching attachments to maps";
2777 reattach $_ for values %MAP; 3849 reattach $_ for values %MAP;
2778 warn "reattaching attachments to players"; 3850 warn "reattaching attachments to players";
2779 reattach $_ for values %PLAYER; 3851 reattach $_ for values %PLAYER;
3852 }
2780 3853
3854 warn "running post_init jobs";
3855 (pop @POST_INIT)->(1) while @POST_INIT;
3856
2781 warn "leaving sync_job"; 3857 warn "leaving sync_job";
2782 3858
2783 1 3859 1
2784 } or do { 3860 } or do {
2785 warn $@; 3861 warn $@;
2786 warn "error while reloading, exiting."; 3862 cf::cleanup "error while reloading, exiting.";
2787 exit 1;
2788 }; 3863 };
2789 3864
2790 warn "reloaded"; 3865 warn "reloaded";
3866 --$RELOAD;
3867 }
3868
3869 $t1 = EV::time - $t1;
3870 warn "reload completed in ${t1}s\n";
2791}; 3871};
2792 3872
2793our $RELOAD_WATCHER; # used only during reload 3873our $RELOAD_WATCHER; # used only during reload
2794 3874
2795sub reload_perl() { 3875sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back, 3876 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here. 3877 # coro crashes during coro_state_free->destroy here.
2798 3878
2799 $RELOAD_WATCHER ||= Event->timer ( 3879 $RELOAD_WATCHER ||= cf::async {
2800 reentrant => 0, 3880 Coro::AIO::aio_wait cache_extensions;
2801 after => 0, 3881
2802 data => WF_AUTOCANCEL, 3882 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803 cb => sub {
2804 do_reload_perl; 3883 do_reload_perl;
2805 undef $RELOAD_WATCHER; 3884 undef $RELOAD_WATCHER;
2806 }, 3885 };
2807 ); 3886 };
2808} 3887}
2809 3888
2810register_command "reload" => sub { 3889register_command "reload" => sub {
2811 my ($who, $arg) = @_; 3890 my ($who, $arg) = @_;
2812 3891
2813 if ($who->flag (FLAG_WIZ)) { 3892 if ($who->flag (FLAG_WIZ)) {
2814 $who->message ("reloading server."); 3893 $who->message ("reloading server.");
3894 async {
3895 $Coro::current->{desc} = "perl_reload";
2815 async { reload_perl }; 3896 reload_perl;
3897 };
2816 } 3898 }
2817}; 3899};
2818 3900
2819unshift @INC, $LIBDIR; 3901unshift @INC, $LIBDIR;
2820 3902
… …
2822 3904
2823our @WAIT_FOR_TICK; 3905our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN; 3906our @WAIT_FOR_TICK_BEGIN;
2825 3907
2826sub wait_for_tick { 3908sub wait_for_tick {
2827 return unless $TICK_WATCHER->is_active;
2828 return if $Coro::current == $Coro::main; 3909 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2829 3910
2830 my $signal = new Coro::Signal; 3911 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal; 3912 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait; 3913 $signal->wait;
2833} 3914}
2834 3915
2835sub wait_for_tick_begin { 3916sub wait_for_tick_begin {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3917 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2838 3918
2839 my $signal = new Coro::Signal; 3919 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal; 3920 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait; 3921 $signal->wait;
2842} 3922}
2843 3923
2844 my $min = 1e6;#d# 3924sub tick {
2845 my $avg = 10;
2846$TICK_WATCHER = Event->timer (
2847 reentrant => 0,
2848 parked => 1,
2849 prio => 0,
2850 at => $NEXT_TICK || $TICK,
2851 data => WF_AUTOCANCEL,
2852 cb => sub {
2853 if ($Coro::current != $Coro::main) { 3925 if ($Coro::current != $Coro::main) {
2854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3926 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855 unless ++$bug_warning > 10; 3927 unless ++$bug_warning > 10;
2856 return; 3928 return;
2857 } 3929 }
2858 3930
2859 $NOW = $tick_start = Event::time;
2860
2861 cf::server_tick; # one server iteration 3931 cf::server_tick; # one server iteration
2862 3932
2863 0 && sync_job {#d# 3933 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2864 for(1..10) {
2865 my $t = Event::time;
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2867 or die;
2868 3934
2869 $map->width (50); 3935 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2870 $map->height (50); 3936 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2871 $map->alloc; 3937 Coro::async_pool {
2872 $map->_load_objects ("/tmp/x.map", 1); 3938 $Coro::current->{desc} = "runtime saver";
2873 my $t = Event::time - $t; 3939 write_runtime_sync
2874 3940 or warn "ERROR: unable to write runtime file: $!";
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 }; 3941 };
3942 }
2885 3943
2886 $RUNTIME += $TICK;
2887 $NEXT_TICK += $TICK;
2888
2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2891 Coro::async_pool {
2892 write_runtime
2893 or warn "ERROR: unable to write runtime file: $!";
2894 };
2895 }
2896
2897# my $AFTER = Event::time;
2898# warn $AFTER - $NOW;#d#
2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3944 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send; 3945 $sig->send;
2902 } 3946 }
2903 while (my $sig = shift @WAIT_FOR_TICK) { 3947 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send; 3948 $sig->send;
2905 } 3949 }
2906 3950
2907 $NOW = Event::time; 3951 $LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909 # if we are delayed by four ticks or more, skip them all
2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912 $TICK_WATCHER->at ($NEXT_TICK);
2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3952 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917 3953
2918 _post_tick; 3954 if (0) {
2919 3955 if ($NEXT_TICK) {
2920 3956 my $jitter = $TICK_START - $NEXT_TICK;
3957 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3958 warn "jitter $JITTER\n";#d#
3959 }
2921 }, 3960 }
2922); 3961}
2923 3962
2924{ 3963{
2925 BDB::max_poll_time $TICK * 0.1; 3964 # configure BDB
2926 $BDB_POLL_WATCHER = Event->io ( 3965
2927 reentrant => 0,
2928 fd => BDB::poll_fileno,
2929 poll => 'r',
2930 prio => 0,
2931 data => WF_AUTOCANCEL,
2932 cb => \&BDB::poll_cb,
2933 );
2934 BDB::min_parallel 8; 3966 BDB::min_parallel 16;
2935 3967 BDB::max_poll_reqs $TICK * 0.1;
2936 BDB::set_sync_prepare { 3968 $AnyEvent::BDB::WATCHER->priority (1);
2937 my $status;
2938 my $current = $Coro::current;
2939 (
2940 sub {
2941 $status = $!;
2942 $current->ready; undef $current;
2943 },
2944 sub {
2945 Coro::schedule while defined $current;
2946 $! = $status;
2947 },
2948 )
2949 };
2950 3969
2951 unless ($DB_ENV) { 3970 unless ($DB_ENV) {
2952 $DB_ENV = BDB::db_env_create; 3971 $DB_ENV = BDB::db_env_create;
3972 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3973 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3974 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3975 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3976 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953 3977
2954 cf::sync_job { 3978 cf::sync_job {
2955 eval { 3979 eval {
2956 BDB::db_env_open 3980 BDB::db_env_open
2957 $DB_ENV, 3981 $DB_ENV,
… …
2959 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3983 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3984 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961 0666; 3985 0666;
2962 3986
2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3987 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966 $DB_ENV->set_lk_detect;
2967 }; 3988 };
2968 3989
2969 cf::cleanup "db_env_open(db): $@" if $@; 3990 cf::cleanup "db_env_open(db): $@" if $@;
2970 }; 3991 };
2971 } 3992 }
3993
3994 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3995 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3996 };
3997 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3998 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3999 };
4000 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4001 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4002 };
2972} 4003}
2973 4004
2974{ 4005{
4006 # configure IO::AIO
4007
2975 IO::AIO::min_parallel 8; 4008 IO::AIO::min_parallel 8;
2976
2977 undef $Coro::AIO::WATCHER;
2978 IO::AIO::max_poll_time $TICK * 0.1; 4009 IO::AIO::max_poll_time $TICK * 0.1;
2979 $AIO_POLL_WATCHER = Event->io ( 4010 undef $AnyEvent::AIO::WATCHER;
2980 reentrant => 0,
2981 data => WF_AUTOCANCEL,
2982 fd => IO::AIO::poll_fileno,
2983 poll => 'r',
2984 prio => 6,
2985 cb => \&IO::AIO::poll_cb,
2986 );
2987} 4011}
2988 4012
2989my $_log_backtrace; 4013my $_log_backtrace;
2990 4014
2991sub _log_backtrace { 4015sub _log_backtrace {
… …
2994 $msg =~ s/\n//; 4018 $msg =~ s/\n//;
2995 4019
2996 # limit the # of concurrent backtraces 4020 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) { 4021 if ($_log_backtrace < 2) {
2998 ++$_log_backtrace; 4022 ++$_log_backtrace;
4023 my $perl_bt = Carp::longmess $msg;
2999 async { 4024 async {
4025 $Coro::current->{desc} = "abt $msg";
4026
3000 my @bt = fork_call { 4027 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr; 4028 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4029 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4030 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004 or die "addr2line: $!"; 4031 or die "addr2line: $!";
… …
3012 } 4039 }
3013 4040
3014 @funcs 4041 @funcs
3015 }; 4042 };
3016 4043
3017 LOG llevInfo, "[ABT] $msg\n"; 4044 LOG llevInfo, "[ABT] $perl_bt\n";
4045 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018 LOG llevInfo, "[ABT] $_\n" for @bt; 4046 LOG llevInfo, "[ABT] $_\n" for @bt;
3019 --$_log_backtrace; 4047 --$_log_backtrace;
3020 }; 4048 };
3021 } else { 4049 } else {
3022 LOG llevInfo, "[ABT] $msg\n"; 4050 LOG llevInfo, "[ABT] $msg\n";
3023 LOG llevInfo, "[ABT] [suppressed]\n"; 4051 LOG llevInfo, "[ABT] [suppressed]\n";
3024 } 4052 }
3025} 4053}
3026 4054
3027# load additional modules 4055# load additional modules
3028use cf::pod; 4056require "cf/$_.pm" for @EXTRA_MODULES;
4057cf::_connect_to_perl_2;
3029 4058
3030END { cf::emergency_save } 4059END { cf::emergency_save }
3031 4060
30321 40611
3033 4062

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