ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
14 38
39use Guard ();
15use Coro 3.61 (); 40use Coro ();
16use Coro::State; 41use Coro::State;
17use Coro::Handle; 42use Coro::Handle;
43use Coro::EV;
18use Coro::Event; 44use Coro::AnyEvent;
19use Coro::Timer; 45use Coro::Timer;
20use Coro::Signal; 46use Coro::Signal;
21use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
22use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
23use Coro::Storable; 52use Coro::Storable;
53use Coro::Util ();
24 54
55use JSON::XS 2.01 ();
25use BDB (); 56use BDB ();
26use Data::Dumper; 57use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
197for my $pkg (qw( 282for my $pkg (qw(
198 cf::global cf::attachable 283 cf::global cf::attachable
199 cf::object cf::object::player 284 cf::object cf::object::player
200 cf::client cf::player 285 cf::client cf::player
201 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
202 cf::map cf::party cf::region 288 cf::party cf::region
203)) { 289)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 291}
207 292
208$Event::DIED = sub { 293$EV::DIED = sub {
209 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
210}; 295};
296
297#############################################################################
211 298
212=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
213 300
214=over 4 301=over 4
215 302
… …
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 322 $d
236 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
237} 324}
238 325
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
242 327
243Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
244 329
245=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
246 331
247Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
248 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
249=item cf::lock_wait $string 355=item cf::lock_wait $string
250 356
251Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
252 358
253=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
254 360
255Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
258returned. 364returned.
259 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
260Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
262 371
263=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
264 373
265Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
266 375
267=cut 376=cut
268 377
269our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
270 379
271sub lock_wait($) { 380sub lock_wait($) {
272 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
273
274 # wait for lock, if any
275 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule;
278 }
279} 382}
280 383
281sub lock_acquire($) { 384sub lock_acquire($) {
282 my ($key) = @_; 385 $LOCKS->guard ($_[0])
283
284 # wait, to be sure we are not locked
285 lock_wait $key;
286
287 $LOCK{$key} = [];
288
289 Coro::guard {
290 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} };
292 }
293} 386}
294 387
295sub lock_active($) { 388sub lock_active($) {
296 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
297
298 ! ! $LOCK{$key}
299} 390}
300 391
301sub freeze_mainloop { 392sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
303 394
304 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
305 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
306 }; 462 }
307 $TICK_WATCHER->stop; 463};
308 $guard 464
465sub get_slot($;$$) {
466 return if tick_inhibit || $Coro::current == $Coro::main;
467
468 my ($time, $pri, $name) = @_;
469
470 $time = clamp $time, 0.01, $TICK * .6;
471
472 my $sig = new Coro::Signal;
473
474 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
475 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
476 $SLOT_QUEUE->ready;
477 $sig->wait;
309} 478}
310 479
311=item cf::async { BLOCK } 480=item cf::async { BLOCK }
312 481
313Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
318 487
319BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
320 489
321=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
322 491
323The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
326 496
327If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
330fast or be very important. 500fast or be very important.
… …
333 503
334sub sync_job(&) { 504sub sync_job(&) {
335 my ($job) = @_; 505 my ($job) = @_;
336 506
337 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 508 my $time = EV::time;
339 509
340 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
342 512
343 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 514
345 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
346 516
347 my $busy = 1; 517 my $busy = 1;
348 my @res; 518 my @res;
349 519
350 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 522 @res = eval { $job->() };
352 warn $@ if $@; 523 warn $@ if $@;
353 undef $busy; 524 undef $busy;
354 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
355 526
356 while ($busy) { 527 while ($busy) {
357 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
358 } 532 }
533 }
359 534
360 $time = Event::time - $time; 535 my $time = EV::time - $time;
361 536
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 537 $TICK_START += $time; # do not account sync jobs to server load
366 538
367 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
368 } else { 540 } else {
369 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
370 542
… …
390 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
391 563
392 $coro 564 $coro
393} 565}
394 566
395sub write_runtime { 567=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 568
398 # first touch the runtime file to show we are still running: 569Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 570process, returning the results. Everything must be serialisable with
571Coro::Storable. May, of course, block. Note that the executed sub may
572never block itself or use any form of event handling.
400 573
401 IO::AIO::aio_utime $runtime, undef, undef; 574=cut
402 575
403 my $guard = cf::lock_acquire "write_runtime"; 576sub fork_call(&@) {
577 my ($cb, @args) = @_;
404 578
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 579 # we seemingly have to make a local copy of the whole thing,
406 or return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
407 582
408 my $value = $cf::RUNTIME + 90 + 10; 583 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 584 reset_signals;
410 # 60 allows for the watchdog to kill the server. 585 &$cb
586 }, @args;
411 587
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 588 wantarray ? @res : $res[-1]
413 and return; 589}
414 590
415 # always fsync - this file is important 591=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 592
419 # touch it again to show we are up-to-date 593=cut
420 aio_utime $fh, undef, undef;
421 594
422 close $fh 595our %coin_alias = (
423 or return; 596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
424 611
425 aio_rename "$runtime~", $runtime 612sub coin_from_name($) {
426 and return; 613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
427 617
428 warn "runtime file written.\n"; 618=item $value = cf::db_get $family => $key
429 619
620Returns a single value from the environment database.
621
622=item cf::db_put $family => $key => $value
623
624Stores the given C<$value> in the family. It can currently store binary
625data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
626
627=item $db = cf::db_table "name"
628
629Create and/or open a new database table. The string must not be "db" and must be unique
630within each server.
631
632=cut
633
634sub db_table($) {
635 my ($name) = @_;
636 my $db = BDB::db_create $DB_ENV;
637
638 eval {
639 $db->set_flags (BDB::CHKSUM);
640
641 utf8::encode $name;
642 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
643 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
644 cf::cleanup "db_open(db): $!" if $!;
645 };
646 cf::cleanup "db_open(db): $@" if $@;
647
648 $db
649}
650
651our $DB;
652
653sub db_init {
654 cf::sync_job {
655 $DB ||= db_table "db";
656 };
657}
658
659sub db_get($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
430 1 667 }
668}
669
670sub db_put($$$) {
671 BDB::dbreq_pri 4;
672 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
673}
674
675=item cf::cache $id => [$paths...], $processversion => $process
676
677Generic caching function that returns the value of the resource $id,
678caching and regenerating as required.
679
680This function can block.
681
682=cut
683
684sub cache {
685 my ($id, $src, $processversion, $process) = @_;
686
687 my $meta =
688 join "\x00",
689 $processversion,
690 map {
691 aio_stat $_
692 and Carp::croak "$_: $!";
693
694 ($_, (stat _)[7,9])
695 } @$src;
696
697 my $dbmeta = db_get cache => "$id/meta";
698 if ($dbmeta ne $meta) {
699 # changed, we may need to process
700
701 my @data;
702 my $md5;
703
704 for (0 .. $#$src) {
705 0 <= aio_load $src->[$_], $data[$_]
706 or Carp::croak "$src->[$_]: $!";
707 }
708
709 # if processing is expensive, check
710 # checksum first
711 if (1) {
712 $md5 =
713 join "\x00",
714 $processversion,
715 map {
716 cf::cede_to_tick;
717 ($src->[$_], Digest::MD5::md5_hex $data[$_])
718 } 0.. $#$src;
719
720
721 my $dbmd5 = db_get cache => "$id/md5";
722 if ($dbmd5 eq $md5) {
723 db_put cache => "$id/meta", $meta;
724
725 return db_get cache => "$id/data";
726 }
727 }
728
729 my $t1 = Time::HiRes::time;
730 my $data = $process->(\@data);
731 my $t2 = Time::HiRes::time;
732
733 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
734
735 db_put cache => "$id/data", $data;
736 db_put cache => "$id/md5" , $md5;
737 db_put cache => "$id/meta", $meta;
738
739 return $data;
740 }
741
742 db_get cache => "$id/data"
431} 743}
432 744
433=item cf::datalog type => key => value, ... 745=item cf::datalog type => key => value, ...
434 746
435Log a datalog packet of the given type with the given key-value pairs. 747Log a datalog packet of the given type with the given key-value pairs.
… …
447 759
448############################################################################# 760#############################################################################
449 761
450=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
451 763
452Many objects in crossfire are so-called attachable objects. That means you can 764Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
455 767
456In the following description, CLASS can be any of C<global>, C<object> 768In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 769C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 770Deliantra).
459 771
460=over 4 772=over 4
461 773
462=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
463 775
… …
507=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
508 820
509Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
511 823
512Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 825that are attached at load/instantiate time, thus the need for a name.
514 826
515These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
516 828
517=over 4 829=over 4
… …
665 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
666 } 978 }
667 979
668 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
669 } else { 981 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 983 }
672 984
673 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
674} 986}
675 987
… …
715 "; 1027 ";
716 die if $@; 1028 die if $@;
717} 1029}
718 1030
719our $override; 1031our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1032our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1033
722sub override { 1034sub override {
723 $override = 1; 1035 $override = 1;
724 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
725} 1037}
726 1038
727sub do_invoke { 1039sub do_invoke {
728 my $event = shift; 1040 my $event = shift;
729 my $callbacks = shift; 1041 my $callbacks = shift;
730 1042
731 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
732 1044
733 local $override; 1045 local $override;
734 1046
735 for (@$callbacks) { 1047 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
745 } 1057 }
746 1058
747 0 1059 0
748} 1060}
749 1061
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1063
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1065
754Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
755 1067
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1068This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1069removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1071
760=back 1072=back
761 1073
762=cut 1074=cut
763 1075
764############################################################################# 1076#############################################################################
765# object support 1077# object support
1078
1079sub _object_equal($$);
1080sub _object_equal($$) {
1081 my ($a, $b) = @_;
1082
1083 return 0 unless (ref $a) eq (ref $b);
1084
1085 if ("HASH" eq ref $a) {
1086 my @ka = keys %$a;
1087 my @kb = keys %$b;
1088
1089 return 0 if @ka != @kb;
1090
1091 for (0 .. $#ka) {
1092 return 0 unless $ka[$_] eq $kb[$_];
1093 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1094 }
1095
1096 } elsif ("ARRAY" eq ref $a) {
1097
1098 return 0 if @$a != @$b;
1099
1100 for (0 .. $#$a) {
1101 return 0 unless _object_equal $a->[$_], $b->[$_];
1102 }
1103
1104 } elsif ($a ne $b) {
1105 return 0;
1106 }
1107
1108 1
1109}
1110
1111our $SLOW_MERGES;#d#
1112sub _can_merge {
1113 my ($ob1, $ob2) = @_;
1114
1115 ++$SLOW_MERGES;#d#
1116
1117 # we do the slow way here
1118 return _object_equal $ob1, $ob2
1119}
766 1120
767sub reattach { 1121sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1123 my ($obj) = @_;
770 1124
1125 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1127
773 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
774 1129
775 @$registry = (); 1130 @$registry = ();
776 1131
… …
791cf::attachable->attach ( 1146cf::attachable->attach (
792 prio => -1000000, 1147 prio => -1000000,
793 on_instantiate => sub { 1148 on_instantiate => sub {
794 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
795 1150
796 $data = from_json $data; 1151 $data = decode_json $data;
797 1152
798 for (@$data) { 1153 for (@$data) {
799 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
800 1155
801 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
817sub object_freezer_save { 1172sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
819 1174
820 sync_job { 1175 sync_job {
821 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
824 1180
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($cf::USE_FSYNC) {
1185 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1186 aio_fsync $fh;
1187 }
829 close $fh; 1188 aio_close $fh;
830 1189
831 if (@$objs) { 1190 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1191 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1195 if ($cf::USE_FSYNC) {
1196 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1197 aio_fsync $fh;
1198 }
837 close $fh; 1199 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
839 } 1201 }
840 } else { 1202 } else {
841 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
842 } 1204 }
843 1205
844 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
845 } else { 1210 } else {
846 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
847 } 1212 }
848 } else { 1213 } else {
849 aio_unlink $filename; 1214 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
851 } 1216 }
852 } 1217 };
853} 1218}
854 1219
855sub object_freezer_as_string { 1220sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
857 1222
… …
869 or return; 1234 or return;
870 1235
871 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
873 or return; 1238 or return;
1239
874 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
875 } 1242 }
876 1243
1244 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1246 $decname, length $data, scalar @{$av || []};
1247
879 return ($data, $av); 1248 ($data, $av)
880} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
881 1256
882############################################################################# 1257#############################################################################
883# command handling &c 1258# command handling &c
884 1259
885=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1274}
900 1275
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1277
903Register a callbackf ro execution when the client sends an extcmd packet. 1278Register a callback for execution when the client sends an (synchronous)
1279extcmd packet. Ext commands will be processed in the order they are
1280received by the server, like other user commands. The first argument is
1281the logged-in player. Ext commands can only be processed after a player
1282has logged in successfully.
904 1283
905If the callback returns something, it is sent back as if reply was being 1284If the callback returns something, it is sent back as if reply was being
906called. 1285called.
907 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
908=cut 1298=cut
909 1299
910sub register_extcmd { 1300sub register_extcmd {
911 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
912 1302
913 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
914} 1304}
915 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
916cf::player->attach ( 1314cf::player->attach (
917 on_command => sub { 1315 on_unknown_command => sub {
918 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
919 1317
920 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
921 or return; 1319 or return;
922 1320
… …
927 cf::override; 1325 cf::override;
928 }, 1326 },
929 on_extcmd => sub { 1327 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
931 1329
932 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1331
934 if (ref $msg) { 1332 if (ref $msg) {
1333 my ($type, $reply, @payload) =
1334 "ARRAY" eq ref $msg
1335 ? @$msg
1336 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1337
1338 my @reply;
1339
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
940 } else { 1347 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1349 }
943 1350
944 cf::override; 1351 cf::override;
945 }, 1352 },
946); 1353);
1354
1355# "readahead" all extensions
1356sub cache_extensions {
1357 my $grp = IO::AIO::aio_group;
1358
1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1360 for (grep /\.ext$/, @{$_[0]}) {
1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1362 }
1363 };
1364
1365 $grp
1366}
947 1367
948sub load_extensions { 1368sub load_extensions {
949 cf::sync_job { 1369 cf::sync_job {
950 my %todo; 1370 my %todo;
951 1371
… …
971 1391
972 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1394
975 $ext{source} = 1395 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1397 . "#line 1 \"$path\"\n{\n"
978 . $source 1398 . $source
979 . "\n};\n1"; 1399 . "\n};\n1";
980 1400
981 $todo{$base} = \%ext; 1401 $todo{$base} = \%ext;
982 } 1402 }
983 1403
1404 my $pass = 0;
984 my %done; 1405 my %done;
985 while (%todo) { 1406 while (%todo) {
986 my $progress; 1407 my $progress;
987 1408
1409 ++$pass;
1410
1411 ext:
988 while (my ($k, $v) = each %todo) { 1412 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $v->{meta}{depends}) { 1413 for (split /,\s*/, $v->{meta}{depends}) {
990 goto skip 1414 next ext
991 unless exists $done{$_}; 1415 unless exists $done{$_};
992 } 1416 }
993 1417
994 warn "... loading '$k' into '$v->{pkg}'\n"; 1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995 1419
996 unless (eval $v->{source}) { 1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
997 my $msg = $@ ? "$v->{path}: $@\n" 1423 warn "$v->{path}: $@\n";
998 : "$v->{base}: extension inactive.\n";
999 1424
1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000 if (exists $v->{meta}{mandatory}) { 1426 if exists $v->{meta}{mandatory};
1001 warn $msg; 1427 } else {
1002 warn "mandatory extension failed to load, exiting.\n"; 1428 $done{$k} = delete $todo{$k};
1003 exit 1; 1429 push @EXTS, $v->{pkg};
1004 } 1430 $progress = 1;
1005 1431
1006 warn $msg; 1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1007 } 1434 }
1008
1009 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg};
1011 $progress = 1;
1012 } 1435 }
1013 1436
1014 skip: 1437 unless ($progress) {
1015 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016 unless $progress; 1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1017 } 1445 }
1018 }; 1446 };
1019} 1447}
1020 1448
1021############################################################################# 1449#############################################################################
1022 1450
1451=back
1452
1023=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
1024 1454
1025Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
1026 1456
1027=cut 1457=cut
1028 1458
1029package cf::player; 1459package cf::player;
1030 1460
1031use Coro::AIO; 1461use Coro::AIO;
1032 1462
1033=head3 cf::player 1463=head3 cf::player
1034 1464
1035=over 4 1465=over 4
1466
1467=item cf::player::num_playing
1468
1469Returns the official number of playing players, as per the Crossfire metaserver rules.
1470
1471=cut
1472
1473sub num_playing {
1474 scalar grep
1475 $_->ob->map
1476 && !$_->hidden
1477 && !$_->ob->flag (cf::FLAG_WIZ),
1478 cf::player::list
1479}
1036 1480
1037=item cf::player::find $login 1481=item cf::player::find $login
1038 1482
1039Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
1040 1484
… …
1059 1503
1060sub exists($) { 1504sub exists($) {
1061 my ($login) = @_; 1505 my ($login) = @_;
1062 1506
1063 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
1064 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
1065} 1509}
1066 1510
1067sub find($) { 1511sub find($) {
1068 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
1069 my $login = $_[0]; 1513 my $login = $_[0];
… …
1076 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1520 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1521 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1522 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079 aio_unlink +(playerdir $login) . "/$login.pl"; 1523 aio_unlink +(playerdir $login) . "/$login.pl";
1080 1524
1081 my $pl = load_pl path $login 1525 my $f = new_from_file cf::object::thawer path $login
1082 or return; 1526 or return;
1527
1528 my $pl = cf::player::load_pl $f
1529 or return;
1530
1531 local $cf::PLAYER_LOADING{$login} = $pl;
1532 $f->resolve_delayed_derefs;
1083 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1084 } 1534 }
1085 } 1535 }
1086} 1536}
1087 1537
… …
1096 return if $pl->{deny_save}; 1546 return if $pl->{deny_save};
1097 1547
1098 aio_mkdir playerdir $pl, 0770; 1548 aio_mkdir playerdir $pl, 0770;
1099 $pl->{last_save} = $cf::RUNTIME; 1549 $pl->{last_save} = $cf::RUNTIME;
1100 1550
1551 cf::get_slot 0.01;
1552
1101 $pl->save_pl ($path); 1553 $pl->save_pl ($path);
1102 Coro::cede; 1554 cf::cede_to_tick;
1103} 1555}
1104 1556
1105sub new($) { 1557sub new($) {
1106 my ($login) = @_; 1558 my ($login) = @_;
1107 1559
… …
1113 $cf::PLAYER{$login} = $self; 1565 $cf::PLAYER{$login} = $self;
1114 1566
1115 $self 1567 $self
1116} 1568}
1117 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
1118=item $pl->quit_character 1580=item $pl->quit_character
1119 1581
1120Nukes the player without looking back. If logged in, the connection will 1582Nukes the player without looking back. If logged in, the connection will
1121be destroyed. May block for a long time. 1583be destroyed. May block for a long time.
1122 1584
… …
1126 my ($pl) = @_; 1588 my ($pl) = @_;
1127 1589
1128 my $name = $pl->ob->name; 1590 my $name = $pl->ob->name;
1129 1591
1130 $pl->{deny_save} = 1; 1592 $pl->{deny_save} = 1;
1131 $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
1132 1594
1133 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1595 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1134 $pl->deactivate; 1596 $pl->deactivate;
1597 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1598 $pl->ob->check_score;
1135 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1599 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1136 $pl->ns->destroy if $pl->ns; 1600 $pl->ns->destroy if $pl->ns;
1137 1601
1138 my $path = playerdir $pl; 1602 my $path = playerdir $pl;
1139 my $temp = "$path~$cf::RUNTIME~deleting~"; 1603 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1175 or return []; 1639 or return [];
1176 1640
1177 my @logins; 1641 my @logins;
1178 1642
1179 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") {
1180 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1649 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181 aio_read $fh, 0, 512, my $buf, 0 or next; 1650 aio_read $fh, 0, 512, my $buf, 0 or next;
1182 $buf !~ /^password -------------$/m or next; # official not-valid tag 1651 $buf !~ /^password -------------$/m or next; # official not-valid tag
1652 }
1183 1653
1184 utf8::decode $login; 1654 utf8::decode $login;
1185 push @logins, $login; 1655 push @logins, $login;
1186 } 1656 }
1187 1657
… …
1214 } 1684 }
1215 1685
1216 \@paths 1686 \@paths
1217} 1687}
1218 1688
1689=item $protocol_xml = $player->expand_cfpod ($cfpod)
1690
1691Expand deliantra pod fragments into protocol xml.
1692
1219=item $player->ext_reply ($msgid, %msg) 1693=item $player->ext_reply ($msgid, @msg)
1220 1694
1221Sends an ext reply to the player. 1695Sends an ext reply to the player.
1222 1696
1223=cut 1697=cut
1224 1698
1225sub ext_reply($$%) { 1699sub ext_reply($$@) {
1226 my ($self, $id, %msg) = @_; 1700 my ($self, $id, @msg) = @_;
1227 1701
1228 $msg{msgid} = $id; 1702 $self->ns->ext_reply ($id, @msg)
1229
1230 $self->send ("ext " . cf::to_json \%msg);
1231} 1703}
1232 1704
1233=item $player->ext_event ($type, %msg) 1705=item $player->ext_msg ($type, @msg)
1234 1706
1235Sends an ext event to the client. 1707Sends an ext event to the client.
1236 1708
1237=cut 1709=cut
1238 1710
1239sub ext_event($$%) { 1711sub ext_msg($$@) {
1240 my ($self, $type, %msg) = @_; 1712 my ($self, $type, @msg) = @_;
1241 1713
1242 $self->ns->ext_event ($type, %msg); 1714 $self->ns->ext_msg ($type, @msg);
1243} 1715}
1244 1716
1245=head3 cf::region 1717=head3 cf::region
1246 1718
1247=over 4 1719=over 4
… …
1250 1722
1251package cf::region; 1723package cf::region;
1252 1724
1253=item cf::region::find_by_path $path 1725=item cf::region::find_by_path $path
1254 1726
1255Tries to decuce the probable region for a map knowing only its path. 1727Tries to decuce the likely region for a map knowing only its path.
1256 1728
1257=cut 1729=cut
1258 1730
1259sub find_by_path($) { 1731sub find_by_path($) {
1260 my ($path) = @_; 1732 my ($path) = @_;
1261 1733
1262 my ($match, $specificity); 1734 my ($match, $specificity);
1263 1735
1264 for my $region (list) { 1736 for my $region (list) {
1265 if ($region->match && $path =~ $region->match) { 1737 if ($region->{match} && $path =~ $region->{match}) {
1266 ($match, $specificity) = ($region, $region->specificity) 1738 ($match, $specificity) = ($region, $region->specificity)
1267 if $region->specificity > $specificity; 1739 if $region->specificity > $specificity;
1268 } 1740 }
1269 } 1741 }
1270 1742
… …
1291our $MAX_RESET = 3600; 1763our $MAX_RESET = 3600;
1292our $DEFAULT_RESET = 3000; 1764our $DEFAULT_RESET = 3000;
1293 1765
1294sub generate_random_map { 1766sub generate_random_map {
1295 my ($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
1296 # mit "rum" bekleckern, nicht 1771 # mit "rum" bekleckern, nicht
1297 $self->_create_random_map ( 1772 $self->_create_random_map (
1298 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1773 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1774 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1300 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1775 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301 $rmp->{exit_on_final_map}, 1776 $rmp->{exit_on_final_map},
1302 $rmp->{xsize}, $rmp->{ysize}, 1777 $rmp->{xsize}, $rmp->{ysize},
1303 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1778 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1779 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1390 $self->init; # pass $1 etc. 1865 $self->init; # pass $1 etc.
1391 return $self; 1866 return $self;
1392 } 1867 }
1393 } 1868 }
1394 1869
1395 Carp::carp "unable to resolve path '$path' (base '$base')."; 1870 Carp::cluck "unable to resolve path '$path' (base '$base').";
1396 () 1871 ()
1397} 1872}
1398 1873
1399sub init { 1874sub init {
1400 my ($self) = @_; 1875 my ($self) = @_;
… …
1422 1897
1423# the temporary/swap location 1898# the temporary/swap location
1424sub save_path { 1899sub save_path {
1425 my ($self) = @_; 1900 my ($self) = @_;
1426 1901
1427 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1902 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428 "$TMPDIR/$path.map" 1903 "$TMPDIR/$path.map"
1429} 1904}
1430 1905
1431# the unique path, undef == no special unique path 1906# the unique path, undef == no special unique path
1432sub uniq_path { 1907sub uniq_path {
1433 my ($self) = @_; 1908 my ($self) = @_;
1434 1909
1435 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1910 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436 "$UNIQUEDIR/$path" 1911 "$UNIQUEDIR/$path"
1437}
1438
1439# and all this just because we cannot iterate over
1440# all maps in C++...
1441sub change_all_map_light {
1442 my ($change) = @_;
1443
1444 $_->change_map_light ($change)
1445 for grep $_->outdoor, values %cf::MAP;
1446} 1912}
1447 1913
1448sub decay_objects { 1914sub decay_objects {
1449 my ($self) = @_; 1915 my ($self) = @_;
1450 1916
… …
1463 1929
1464sub load_header_from($) { 1930sub load_header_from($) {
1465 my ($self, $path) = @_; 1931 my ($self, $path) = @_;
1466 1932
1467 utf8::encode $path; 1933 utf8::encode $path;
1468 #aio_open $path, O_RDONLY, 0 1934 my $f = new_from_file cf::object::thawer $path
1469 # or return;
1470
1471 $self->_load_header ($path)
1472 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;
1473 1942
1474 $self->{load_path} = $path; 1943 $self->{load_path} = $path;
1475 1944
1476 1 1945 1
1477} 1946}
… …
1531sub find { 2000sub find {
1532 my ($path, $origin) = @_; 2001 my ($path, $origin) = @_;
1533 2002
1534 $path = normalise $path, $origin && $origin->path; 2003 $path = normalise $path, $origin && $origin->path;
1535 2004
2005 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536 cf::lock_wait "map_find:$path"; 2006 my $guard2 = cf::lock_acquire "map_find:$path";
1537 2007
1538 $cf::MAP{$path} || do { 2008 $cf::MAP{$path} || do {
1539 my $guard = cf::lock_acquire "map_find:$path";
1540 my $map = new_from_path cf::map $path 2009 my $map = new_from_path cf::map $path
1541 or return; 2010 or return;
1542 2011
1543 $map->{last_save} = $cf::RUNTIME; 2012 $map->{last_save} = $cf::RUNTIME;
1544 2013
… …
1546 or return; 2015 or return;
1547 2016
1548 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2017 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549 # doing this can freeze the server in a sync job, obviously 2018 # doing this can freeze the server in a sync job, obviously
1550 #$cf::WAIT_FOR_TICK->wait; 2019 #$cf::WAIT_FOR_TICK->wait;
2020 undef $guard2;
2021 undef $guard1;
1551 $map->reset; 2022 $map->reset;
1552 undef $guard;
1553 return find $path; 2023 return find $path;
1554 } 2024 }
1555 2025
1556 $cf::MAP{$path} = $map 2026 $cf::MAP{$path} = $map
1557 } 2027 }
1558} 2028}
1559 2029
1560sub pre_load { } 2030sub pre_load { }
1561sub post_load { } 2031#sub post_load { } # XS
1562 2032
1563sub load { 2033sub load {
1564 my ($self) = @_; 2034 my ($self) = @_;
1565 2035
1566 local $self->{deny_reset} = 1; # loading can take a long time 2036 local $self->{deny_reset} = 1; # loading can take a long time
1567 2037
1568 my $path = $self->{path}; 2038 my $path = $self->{path};
1569 2039
1570 { 2040 {
1571 my $guard = cf::lock_acquire "map_load:$path"; 2041 my $guard = cf::lock_acquire "map_data:$path";
1572 2042
2043 return unless $self->valid;
1573 return if $self->in_memory != cf::MAP_SWAPPED; 2044 return unless $self->in_memory == cf::MAP_SWAPPED;
1574 2045
1575 $self->in_memory (cf::MAP_LOADING); 2046 $self->in_memory (cf::MAP_LOADING);
1576 2047
1577 $self->alloc; 2048 $self->alloc;
1578 2049
1579 $self->pre_load; 2050 $self->pre_load;
1580 Coro::cede; 2051 cf::cede_to_tick;
1581 2052
2053 my $f = new_from_file cf::object::thawer $self->{load_path};
2054 $f->skip_block;
1582 $self->_load_objects ($self->{load_path}, 1) 2055 $self->_load_objects ($f)
1583 or return; 2056 or return;
1584 2057
1585 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2058 $self->post_load_original
1586 if delete $self->{load_original}; 2059 if delete $self->{load_original};
1587 2060
1588 if (my $uniq = $self->uniq_path) { 2061 if (my $uniq = $self->uniq_path) {
1589 utf8::encode $uniq; 2062 utf8::encode $uniq;
1590 if (aio_open $uniq, O_RDONLY, 0) { 2063 unless (aio_stat $uniq) {
2064 if (my $f = new_from_file cf::object::thawer $uniq) {
1591 $self->clear_unique_items; 2065 $self->clear_unique_items;
1592 $self->_load_objects ($uniq, 0); 2066 $self->_load_objects ($f);
2067 $f->resolve_delayed_derefs;
2068 }
1593 } 2069 }
1594 } 2070 }
1595 2071
1596 Coro::cede; 2072 $f->resolve_delayed_derefs;
2073
2074 cf::cede_to_tick;
1597 # now do the right thing for maps 2075 # now do the right thing for maps
1598 $self->link_multipart_objects; 2076 $self->link_multipart_objects;
1599 $self->difficulty ($self->estimate_difficulty) 2077 $self->difficulty ($self->estimate_difficulty)
1600 unless $self->difficulty; 2078 unless $self->difficulty;
1601 Coro::cede; 2079 cf::cede_to_tick;
1602 2080
1603 unless ($self->{deny_activate}) { 2081 unless ($self->{deny_activate}) {
1604 $self->decay_objects; 2082 $self->decay_objects;
1605 $self->fix_auto_apply; 2083 $self->fix_auto_apply;
1606 $self->update_buttons; 2084 $self->update_buttons;
1607 Coro::cede; 2085 cf::cede_to_tick;
1608 $self->set_darkness_map;
1609 Coro::cede;
1610 $self->activate; 2086 $self->activate;
1611 } 2087 }
1612 2088
2089 $self->{last_save} = $cf::RUNTIME;
2090 $self->last_access ($cf::RUNTIME);
2091
1613 $self->in_memory (cf::MAP_IN_MEMORY); 2092 $self->in_memory (cf::MAP_ACTIVE);
1614 } 2093 }
1615 2094
1616 $self->post_load; 2095 $self->post_load;
1617} 2096}
1618 2097
2098# customize the map for a given player, i.e.
2099# return the _real_ map. used by e.g. per-player
2100# maps to change the path to ~playername/mappath
1619sub customise_for { 2101sub customise_for {
1620 my ($self, $ob) = @_; 2102 my ($self, $ob) = @_;
1621 2103
1622 return find "~" . $ob->name . "/" . $self->{path} 2104 return find "~" . $ob->name . "/" . $self->{path}
1623 if $self->per_player; 2105 if $self->per_player;
… …
1627 2109
1628 $self 2110 $self
1629} 2111}
1630 2112
1631# find and load all maps in the 3x3 area around a map 2113# find and load all maps in the 3x3 area around a map
1632sub load_diag { 2114sub load_neighbours {
1633 my ($map) = @_; 2115 my ($map) = @_;
1634 2116
1635 my @diag; # diagonal neighbours 2117 my @neigh; # diagonal neighbours
1636 2118
1637 for (0 .. 3) { 2119 for (0 .. 3) {
1638 my $neigh = $map->tile_path ($_) 2120 my $neigh = $map->tile_path ($_)
1639 or next; 2121 or next;
1640 $neigh = find $neigh, $map 2122 $neigh = find $neigh, $map
1641 or next; 2123 or next;
1642 $neigh->load; 2124 $neigh->load;
1643 2125
2126 push @neigh,
1644 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2127 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2128 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1646 } 2129 }
1647 2130
1648 for (@diag) { 2131 for (grep defined $_->[0], @neigh) {
2132 my ($path, $origin) = @$_;
1649 my $neigh = find @$_ 2133 my $neigh = find $path, $origin
1650 or next; 2134 or next;
1651 $neigh->load; 2135 $neigh->load;
1652 } 2136 }
1653} 2137}
1654 2138
… …
1659} 2143}
1660 2144
1661sub do_load_sync { 2145sub do_load_sync {
1662 my ($map) = @_; 2146 my ($map) = @_;
1663 2147
2148 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2149 if $Coro::current == $Coro::main;
2150
1664 cf::sync_job { $map->load }; 2151 cf::sync_job { $map->load };
1665} 2152}
1666 2153
1667our %MAP_PREFETCH; 2154our %MAP_PREFETCH;
1668our $MAP_PREFETCHER = undef; 2155our $MAP_PREFETCHER = undef;
1669 2156
1670sub find_async { 2157sub find_async {
1671 my ($path, $origin) = @_; 2158 my ($path, $origin, $load) = @_;
1672 2159
1673 $path = normalise $path, $origin && $origin->{path}; 2160 $path = normalise $path, $origin && $origin->{path};
1674 2161
1675 if (my $map = $cf::MAP{$path}) { 2162 if (my $map = $cf::MAP{$path}) {
1676 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2163 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1677 } 2164 }
1678 2165
1679 undef $MAP_PREFETCH{$path}; 2166 $MAP_PREFETCH{$path} |= $load;
2167
1680 $MAP_PREFETCHER ||= cf::async { 2168 $MAP_PREFETCHER ||= cf::async {
2169 $Coro::current->{desc} = "map prefetcher";
2170
1681 while (%MAP_PREFETCH) { 2171 while (%MAP_PREFETCH) {
1682 for my $path (keys %MAP_PREFETCH) { 2172 while (my ($k, $v) = each %MAP_PREFETCH) {
1683 my $map = find $path 2173 if (my $map = find $k) {
1684 or next;
1685 $map->load; 2174 $map->load if $v;
2175 }
1686 2176
1687 delete $MAP_PREFETCH{$path}; 2177 delete $MAP_PREFETCH{$k};
1688 } 2178 }
1689 } 2179 }
1690 undef $MAP_PREFETCHER; 2180 undef $MAP_PREFETCHER;
1691 }; 2181 };
1692 $MAP_PREFETCHER->prio (6); 2182 $MAP_PREFETCHER->prio (6);
… …
1695} 2185}
1696 2186
1697sub save { 2187sub save {
1698 my ($self) = @_; 2188 my ($self) = @_;
1699 2189
1700 my $lock = cf::lock_acquire "map_data:" . $self->path; 2190 my $lock = cf::lock_acquire "map_data:$self->{path}";
1701 2191
1702 $self->{last_save} = $cf::RUNTIME; 2192 $self->{last_save} = $cf::RUNTIME;
1703 2193
1704 return unless $self->dirty; 2194 return unless $self->dirty;
1705 2195
… …
1711 return if $self->{deny_save}; 2201 return if $self->{deny_save};
1712 2202
1713 local $self->{last_access} = $self->last_access;#d# 2203 local $self->{last_access} = $self->last_access;#d#
1714 2204
1715 cf::async { 2205 cf::async {
2206 $Coro::current->{desc} = "map player save";
1716 $_->contr->save for $self->players; 2207 $_->contr->save for $self->players;
1717 }; 2208 };
2209
2210 cf::get_slot 0.02;
1718 2211
1719 if ($uniq) { 2212 if ($uniq) {
1720 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2213 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2214 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1722 } else { 2215 } else {
… …
1728 my ($self) = @_; 2221 my ($self) = @_;
1729 2222
1730 # save first because save cedes 2223 # save first because save cedes
1731 $self->save; 2224 $self->save;
1732 2225
1733 my $lock = cf::lock_acquire "map_data:" . $self->path; 2226 my $lock = cf::lock_acquire "map_data:$self->{path}";
1734 2227
1735 return if $self->players; 2228 return if $self->players;
1736 return if $self->in_memory != cf::MAP_IN_MEMORY; 2229 return if $self->in_memory != cf::MAP_ACTIVE;
1737 return if $self->{deny_save}; 2230 return if $self->{deny_save};
1738 2231
2232 $self->in_memory (cf::MAP_SWAPPED);
2233
2234 $self->deactivate;
2235 $_->clear_links_to ($self) for values %cf::MAP;
1739 $self->clear; 2236 $self->clear;
1740 $self->in_memory (cf::MAP_SWAPPED);
1741} 2237}
1742 2238
1743sub reset_at { 2239sub reset_at {
1744 my ($self) = @_; 2240 my ($self) = @_;
1745 2241
… …
1763 2259
1764 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1765 2261
1766 return if $self->players; 2262 return if $self->players;
1767 2263
1768 warn "resetting map ", $self->path; 2264 warn "resetting map ", $self->path, "\n";
1769 2265
1770 $self->in_memory (cf::MAP_SWAPPED); 2266 $self->in_memory (cf::MAP_SWAPPED);
1771 2267
1772 # need to save uniques path 2268 # need to save uniques path
1773 unless ($self->{deny_save}) { 2269 unless ($self->{deny_save}) {
… …
1777 if $uniq; 2273 if $uniq;
1778 } 2274 }
1779 2275
1780 delete $cf::MAP{$self->path}; 2276 delete $cf::MAP{$self->path};
1781 2277
2278 $self->deactivate;
2279 $_->clear_links_to ($self) for values %cf::MAP;
1782 $self->clear; 2280 $self->clear;
1783
1784 $_->clear_links_to ($self) for values %cf::MAP;
1785 2281
1786 $self->unlink_save; 2282 $self->unlink_save;
1787 $self->destroy; 2283 $self->destroy;
1788} 2284}
1789 2285
1790my $nuke_counter = "aaaa"; 2286my $nuke_counter = "aaaa";
1791 2287
1792sub nuke { 2288sub nuke {
1793 my ($self) = @_; 2289 my ($self) = @_;
1794 2290
2291 {
2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
1795 delete $cf::MAP{$self->path}; 2294 delete $cf::MAP{$self->path};
1796 2295
1797 $self->unlink_save; 2296 $self->unlink_save;
1798 2297
1799 bless $self, "cf::map"; 2298 bless $self, "cf::map";
1800 delete $self->{deny_reset}; 2299 delete $self->{deny_reset};
1801 $self->{deny_save} = 1; 2300 $self->{deny_save} = 1;
1802 $self->reset_timeout (1); 2301 $self->reset_timeout (1);
1803 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2302 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804 2303
1805 $cf::MAP{$self->path} = $self; 2304 $cf::MAP{$self->path} = $self;
2305 }
1806 2306
1807 $self->reset; # polite request, might not happen 2307 $self->reset; # polite request, might not happen
1808} 2308}
1809 2309
1810=item $maps = cf::map::tmp_maps 2310=item $maps = cf::map::tmp_maps
… …
1852 2352
1853sub unique_maps() { 2353sub unique_maps() {
1854 [ 2354 [
1855 map { 2355 map {
1856 utf8::decode $_; 2356 utf8::decode $_;
1857 /\.map$/ 2357 s/\.map$//; # TODO future compatibility hack
2358 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2359 ? ()
1858 ? normalise $_ 2360 : normalise $_
1859 : ()
1860 } @{ aio_readdir $UNIQUEDIR or [] } 2361 } @{ aio_readdir $UNIQUEDIR or [] }
1861 ] 2362 ]
1862} 2363}
1863 2364
1864package cf; 2365=item cf::map::static_maps
2366
2367Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2368file in the shared directory excluding F</styles> and F</editor>). May
2369block.
2370
2371=cut
2372
2373sub static_maps() {
2374 my @dirs = "";
2375 my @maps;
2376
2377 while (@dirs) {
2378 my $dir = shift @dirs;
2379
2380 next if $dir eq "/styles" || $dir eq "/editor";
2381
2382 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2383 or return;
2384
2385 for (@$files) {
2386 s/\.map$// or next;
2387 utf8::decode $_;
2388 push @maps, "$dir/$_";
2389 }
2390
2391 push @dirs, map "$dir/$_", @$dirs;
2392 }
2393
2394 \@maps
2395}
1865 2396
1866=back 2397=back
1867 2398
1868=head3 cf::object 2399=head3 cf::object
1869 2400
… …
1873 2404
1874=over 4 2405=over 4
1875 2406
1876=item $ob->inv_recursive 2407=item $ob->inv_recursive
1877 2408
1878Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1879 2411
1880=cut 2412=cut
1881 2413
1882sub inv_recursive_; 2414sub inv_recursive_;
1883sub inv_recursive_ { 2415sub inv_recursive_ {
… …
1886 2418
1887sub inv_recursive { 2419sub inv_recursive {
1888 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1889} 2421}
1890 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1891package cf; 2451package cf;
1892 2452
1893=back 2453=back
1894 2454
1895=head3 cf::object::player 2455=head3 cf::object::player
… …
1901Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902can be C<undef>. Does the right thing when the player is currently in a 2462can be C<undef>. Does the right thing when the player is currently in a
1903dialogue with the given NPC character. 2463dialogue with the given NPC character.
1904 2464
1905=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1906 2480
1907# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1908# with dialog boxes. 2482# with dialog boxes.
1909#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1910sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
… …
1912 2486
1913 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914 2488
1915 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1916 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1917 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1918 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1919 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1920 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1921} 2514}
1922 2515
1923=item $player_object->may ("access") 2516=item $player_object->may ("access")
1924 2517
1925Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
… …
1938 2531
1939=item $player_object->enter_link 2532=item $player_object->enter_link
1940 2533
1941Freezes the player and moves him/her to a special map (C<{link}>). 2534Freezes the player and moves him/her to a special map (C<{link}>).
1942 2535
1943The player should be reasonably safe there for short amounts of time. You 2536The player should be reasonably safe there for short amounts of time (e.g.
1944I<MUST> call C<leave_link> as soon as possible, though. 2537for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2538though, as the palyer cannot control the character while it is on the link
2539map.
1945 2540
1946Will never block. 2541Will never block.
1947 2542
1948=item $player_object->leave_link ($map, $x, $y) 2543=item $player_object->leave_link ($map, $x, $y)
1949 2544
… …
2001 ($x, $y) = (-1, -1) 2596 ($x, $y) = (-1, -1)
2002 unless (defined $x) && (defined $y); 2597 unless (defined $x) && (defined $y);
2003 2598
2004 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
2005 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
2006 if $x <=0 && $y <= 0; 2601 if $x <= 0 && $y <= 0;
2007 2602
2008 $map->load; 2603 $map->load;
2009 $map->load_diag; 2604 $map->load_neighbours;
2010 2605
2011 return unless $self->contr->active; 2606 return unless $self->contr->active;
2012 $self->activate_recursive;
2013 2607
2014 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2608 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015 $self->enter_map ($map, $x, $y); 2609 $self->enter_map ($map, $x, $y);
2016}
2017 2610
2611 # only activate afterwards, to support waiting in hooks
2612 $self->activate_recursive;
2613}
2614
2018=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2615=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019 2616
2020Moves the player to the given map-path and coordinates by first freezing 2617Moves the player to the given map-path and coordinates by first freezing
2021her, loading and preparing them map, calling the provided $check callback 2618her, loading and preparing them map, calling the provided $check callback
2022that has to return the map if sucecssful, and then unfreezes the player on 2619that has to return the map if sucecssful, and then unfreezes the player on
2023the new (success) or old (failed) map position. 2620the new (success) or old (failed) map position. In either case, $done will
2621be called at the end of this process.
2622
2623Note that $check will be called with a potentially non-loaded map, so if
2624it needs a loaded map it has to call C<< ->load >>.
2024 2625
2025=cut 2626=cut
2026 2627
2027our $GOTOGEN; 2628our $GOTOGEN;
2028 2629
2029sub cf::object::player::goto { 2630sub cf::object::player::goto {
2030 my ($self, $path, $x, $y, $check) = @_; 2631 my ($self, $path, $x, $y, $check, $done) = @_;
2031 2632
2032 # do generation counting so two concurrent goto's will be executed in-order 2633 # do generation counting so two concurrent goto's will be executed in-order
2033 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2634 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034 2635
2035 $self->enter_link; 2636 $self->enter_link;
2036 2637
2037 (async { 2638 (async {
2639 $Coro::current->{desc} = "player::goto $path $x $y";
2640
2641 # *tag paths override both path and x|y
2642 if ($path =~ /^\*(.*)$/) {
2643 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2644 my $ob = $obs[rand @obs];
2645
2646 # see if we actually can go there
2647 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2648 $ob = $obs[rand @obs];
2649 } else {
2650 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2651 }
2652 # else put us there anyways for now #d#
2653
2654 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2655 } else {
2656 ($path, $x, $y) = (undef, undef, undef);
2657 }
2658 }
2659
2038 my $map = eval { 2660 my $map = eval {
2039 my $map = cf::map::find $path; 2661 my $map = defined $path ? cf::map::find $path : undef;
2040 2662
2041 if ($map) { 2663 if ($map) {
2042 $map = $map->customise_for ($self); 2664 $map = $map->customise_for ($self);
2043 $map = $check->($map) if $check && $map; 2665 $map = $check->($map) if $check && $map;
2044 } else { 2666 } else {
2045 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2667 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046 } 2668 }
2047 2669
2048 $map 2670 $map
2049 }; 2671 };
2050 2672
… …
2055 2677
2056 if ($gen == $self->{_goto_generation}) { 2678 if ($gen == $self->{_goto_generation}) {
2057 delete $self->{_goto_generation}; 2679 delete $self->{_goto_generation};
2058 $self->leave_link ($map, $x, $y); 2680 $self->leave_link ($map, $x, $y);
2059 } 2681 }
2682
2683 $done->() if $done;
2060 })->prio (1); 2684 })->prio (1);
2061} 2685}
2062 2686
2063=item $player_object->enter_exit ($exit_object) 2687=item $player_object->enter_exit ($exit_object)
2064 2688
… …
2084} 2708}
2085 2709
2086sub prepare_random_map { 2710sub prepare_random_map {
2087 my ($exit) = @_; 2711 my ($exit) = @_;
2088 2712
2089 my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091 # all this does is basically replace the /! path by 2713 # all this does is basically replace the /! path by
2092 # a new random map path (?random/...) with a seed 2714 # a new random map path (?random/...) with a seed
2093 # that depends on the exit object 2715 # that depends on the exit object
2094 2716
2095 my $rmp = parse_random_map_params $exit->msg; 2717 my $rmp = parse_random_map_params $exit->msg;
… …
2097 if ($exit->map) { 2719 if ($exit->map) {
2098 $rmp->{region} = $exit->region->name; 2720 $rmp->{region} = $exit->region->name;
2099 $rmp->{origin_map} = $exit->map->path; 2721 $rmp->{origin_map} = $exit->map->path;
2100 $rmp->{origin_x} = $exit->x; 2722 $rmp->{origin_x} = $exit->x;
2101 $rmp->{origin_y} = $exit->y; 2723 $rmp->{origin_y} = $exit->y;
2724
2725 $exit->map->touch;
2102 } 2726 }
2103 2727
2104 $rmp->{random_seed} ||= $exit->random_seed; 2728 $rmp->{random_seed} ||= $exit->random_seed;
2105 2729
2106 my $data = cf::to_json $rmp; 2730 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107 my $md5 = Digest::MD5::md5_hex $data; 2731 my $md5 = Digest::MD5::md5_hex $data;
2108 my $meta = "$RANDOMDIR/$md5.meta"; 2732 my $meta = "$RANDOMDIR/$md5.meta";
2109 2733
2110 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2734 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111 aio_write $fh, 0, (length $data), $data, 0; 2735 aio_write $fh, 0, (length $data), $data, 0;
2112 undef $fh; 2736 undef $fh;
2113 aio_rename "$meta~", $meta; 2737 aio_rename "$meta~", $meta;
2114 2738
2739 my $slaying = "?random/$md5";
2740
2741 if ($exit->valid) {
2115 $exit->slaying ("?random/$md5"); 2742 $exit->slaying ("?random/$md5");
2116 $exit->msg (undef); 2743 $exit->msg (undef);
2744 }
2117 } 2745 }
2118} 2746}
2119 2747
2120sub cf::object::player::enter_exit { 2748sub cf::object::player::enter_exit {
2121 my ($self, $exit) = @_; 2749 my ($self, $exit) = @_;
2122 2750
2123 return unless $self->type == cf::PLAYER; 2751 return unless $self->type == cf::PLAYER;
2124 2752
2125 if ($exit->slaying eq "/!") {
2126 #TODO: this should de-fi-ni-te-ly not be a sync-job
2127 # the problem is that $exit might not survive long enough
2128 # so it needs to be done right now, right here
2129 cf::sync_job { prepare_random_map $exit };
2130 }
2131
2132 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133 my $hp = $exit->stats->hp;
2134 my $sp = $exit->stats->sp;
2135
2136 $self->enter_link; 2753 $self->enter_link;
2137 2754
2138 (async { 2755 (async {
2139 $self->deactivate_recursive; # just to be sure 2756 $Coro::current->{desc} = "enter_exit";
2757
2140 unless (eval { 2758 unless (eval {
2759 $self->deactivate_recursive; # just to be sure
2760
2761 # random map handling
2762 {
2763 my $guard = cf::lock_acquire "exit_prepare:$exit";
2764
2765 prepare_random_map $exit
2766 if $exit->slaying eq "/!";
2767 }
2768
2769 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2770 my $x = $exit->stats->hp;
2771 my $y = $exit->stats->sp;
2772
2141 $self->goto ($slaying, $hp, $sp); 2773 $self->goto ($map, $x, $y);
2142 2774
2775 # if exit is damned, update players death & WoR home-position
2776 $self->contr->savebed ($map, $x, $y)
2777 if $exit->flag (cf::FLAG_DAMNED);
2778
2143 1; 2779 1
2144 }) { 2780 }) {
2145 $self->message ("Something went wrong deep within the crossfire server. " 2781 $self->message ("Something went wrong deep within the deliantra server. "
2146 . "I'll try to bring you back to the map you were before. " 2782 . "I'll try to bring you back to the map you were before. "
2147 . "Please report this to the dungeon master!", 2783 . "Please report this to the dungeon master!",
2148 cf::NDI_UNIQUE | cf::NDI_RED); 2784 cf::NDI_UNIQUE | cf::NDI_RED);
2149 2785
2150 warn "ERROR in enter_exit: $@"; 2786 warn "ERROR in enter_exit: $@";
… …
2169 2805
2170 utf8::encode $text; 2806 utf8::encode $text;
2171 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2807 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172} 2808}
2173 2809
2810=item $client->send_big_packet ($pkt)
2811
2812Like C<send_packet>, but tries to compress large packets, and fragments
2813them as required.
2814
2815=cut
2816
2817our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2818
2819sub cf::client::send_big_packet {
2820 my ($self, $pkt) = @_;
2821
2822 # try lzf for large packets
2823 $pkt = "lzf " . Compress::LZF::compress $pkt
2824 if 1024 <= length $pkt and $self->{can_lzf};
2825
2826 # split very large packets
2827 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2828 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2829 $pkt = "frag";
2830 }
2831
2832 $self->send_packet ($pkt);
2833}
2834
2835=item $client->send_msg ($channel, $msg, $color, [extra...])
2836
2837Send a drawinfo or msg packet to the client, formatting the msg for the
2838client if neccessary. C<$type> should be a string identifying the type of
2839the message, with C<log> being the default. If C<$color> is negative, suppress
2840the message unless the client supports the msg packet.
2841
2842=cut
2843
2844# non-persistent channels (usually the info channel)
2845our %CHANNEL = (
2846 "c/motd" => {
2847 id => "infobox",
2848 title => "MOTD",
2849 reply => undef,
2850 tooltip => "The message of the day",
2851 },
2852 "c/identify" => {
2853 id => "infobox",
2854 title => "Identify",
2855 reply => undef,
2856 tooltip => "Items recently identified",
2857 },
2858 "c/examine" => {
2859 id => "infobox",
2860 title => "Examine",
2861 reply => undef,
2862 tooltip => "Signs and other items you examined",
2863 },
2864 "c/shopinfo" => {
2865 id => "infobox",
2866 title => "Shop Info",
2867 reply => undef,
2868 tooltip => "What your bargaining skill tells you about the shop",
2869 },
2870 "c/book" => {
2871 id => "infobox",
2872 title => "Book",
2873 reply => undef,
2874 tooltip => "The contents of a note or book",
2875 },
2876 "c/lookat" => {
2877 id => "infobox",
2878 title => "Look",
2879 reply => undef,
2880 tooltip => "What you saw there",
2881 },
2882 "c/who" => {
2883 id => "infobox",
2884 title => "Players",
2885 reply => undef,
2886 tooltip => "Shows players who are currently online",
2887 },
2888 "c/body" => {
2889 id => "infobox",
2890 title => "Body Parts",
2891 reply => undef,
2892 tooltip => "Shows which body parts you posess and are available",
2893 },
2894 "c/statistics" => {
2895 id => "infobox",
2896 title => "Statistics",
2897 reply => undef,
2898 tooltip => "Shows your primary statistics",
2899 },
2900 "c/skills" => {
2901 id => "infobox",
2902 title => "Skills",
2903 reply => undef,
2904 tooltip => "Shows your experience per skill and item power",
2905 },
2906 "c/shopitems" => {
2907 id => "infobox",
2908 title => "Shop Items",
2909 reply => undef,
2910 tooltip => "Shows the items currently for sale in this shop",
2911 },
2912 "c/resistances" => {
2913 id => "infobox",
2914 title => "Resistances",
2915 reply => undef,
2916 tooltip => "Shows your resistances",
2917 },
2918 "c/pets" => {
2919 id => "infobox",
2920 title => "Pets",
2921 reply => undef,
2922 tooltip => "Shows information abotu your pets/a specific pet",
2923 },
2924 "c/perceiveself" => {
2925 id => "infobox",
2926 title => "Perceive Self",
2927 reply => undef,
2928 tooltip => "You gained detailed knowledge about yourself",
2929 },
2930 "c/uptime" => {
2931 id => "infobox",
2932 title => "Uptime",
2933 reply => undef,
2934 tooltip => "How long the server has been running since last restart",
2935 },
2936 "c/mapinfo" => {
2937 id => "infobox",
2938 title => "Map Info",
2939 reply => undef,
2940 tooltip => "Information related to the maps",
2941 },
2942 "c/party" => {
2943 id => "party",
2944 title => "Party",
2945 reply => "gsay ",
2946 tooltip => "Messages and chat related to your party",
2947 },
2948 "c/death" => {
2949 id => "death",
2950 title => "Death",
2951 reply => undef,
2952 tooltip => "Reason for and more info about your most recent death",
2953 },
2954 "c/say" => $SAY_CHANNEL,
2955 "c/chat" => $CHAT_CHANNEL,
2956);
2957
2958sub cf::client::send_msg {
2959 my ($self, $channel, $msg, $color, @extra) = @_;
2960
2961 $msg = $self->pl->expand_cfpod ($msg)
2962 unless $color & cf::NDI_VERBATIM;
2963
2964 $color &= cf::NDI_CLIENT_MASK; # just in case...
2965
2966 # check predefined channels, for the benefit of C
2967 if ($CHANNEL{$channel}) {
2968 $channel = $CHANNEL{$channel};
2969
2970 $self->ext_msg (channel_info => $channel);
2971 $channel = $channel->{id};
2972
2973 } elsif (ref $channel) {
2974 # send meta info to client, if not yet sent
2975 unless (exists $self->{channel}{$channel->{id}}) {
2976 $self->{channel}{$channel->{id}} = $channel;
2977 $self->ext_msg (channel_info => $channel);
2978 }
2979
2980 $channel = $channel->{id};
2981 }
2982
2983 return unless @extra || length $msg;
2984
2985 # default colour, mask it out
2986 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2987 if $color & cf::NDI_DEF;
2988
2989 my $pkt = "msg "
2990 . $self->{json_coder}->encode (
2991 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2992 );
2993
2994 $self->send_big_packet ($pkt);
2995}
2996
2174=item $client->ext_event ($type, %msg) 2997=item $client->ext_msg ($type, @msg)
2175 2998
2176Sends an exti event to the client. 2999Sends an ext event to the client.
2177 3000
2178=cut 3001=cut
2179 3002
2180sub cf::client::ext_event($$%) { 3003sub cf::client::ext_msg($$@) {
2181 my ($self, $type, %msg) = @_; 3004 my ($self, $type, @msg) = @_;
2182 3005
3006 if ($self->extcmd == 2) {
3007 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3008 } elsif ($self->extcmd == 1) { # TODO: remove
2183 $msg{msgtype} = "event_$type"; 3009 push @msg, msgtype => "event_$type";
2184 $self->send_packet ("ext " . cf::to_json \%msg); 3010 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3011 }
3012}
3013
3014=item $client->ext_reply ($msgid, @msg)
3015
3016Sends an ext reply to the client.
3017
3018=cut
3019
3020sub cf::client::ext_reply($$@) {
3021 my ($self, $id, @msg) = @_;
3022
3023 if ($self->extcmd == 2) {
3024 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3025 } elsif ($self->extcmd == 1) {
3026 #TODO: version 1, remove
3027 unshift @msg, msgtype => "reply", msgid => $id;
3028 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3029 }
2185} 3030}
2186 3031
2187=item $success = $client->query ($flags, "text", \&cb) 3032=item $success = $client->query ($flags, "text", \&cb)
2188 3033
2189Queues a query to the client, calling the given callback with 3034Queues a query to the client, calling the given callback with
2190the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3035the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3036C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192 3037
2193Queries can fail, so check the return code. Or don't, as queries will become 3038Queries can fail, so check the return code. Or don't, as queries will
2194reliable at some point in the future. 3039become reliable at some point in the future.
2195 3040
2196=cut 3041=cut
2197 3042
2198sub cf::client::query { 3043sub cf::client::query {
2199 my ($self, $flags, $text, $cb) = @_; 3044 my ($self, $flags, $text, $cb) = @_;
… …
2207 utf8::encode $text; 3052 utf8::encode $text;
2208 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3053 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209 3054
2210 $self->send_packet ($self->{query_queue}[0][0]) 3055 $self->send_packet ($self->{query_queue}[0][0])
2211 if @{ $self->{query_queue} } == 1; 3056 if @{ $self->{query_queue} } == 1;
3057
3058 1
2212} 3059}
2213 3060
2214cf::client->attach ( 3061cf::client->attach (
3062 on_connect => sub {
3063 my ($ns) = @_;
3064
3065 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3066 },
2215 on_reply => sub { 3067 on_reply => sub {
2216 my ($ns, $msg) = @_; 3068 my ($ns, $msg) = @_;
2217 3069
2218 # this weird shuffling is so that direct followup queries 3070 # this weird shuffling is so that direct followup queries
2219 # get handled first 3071 # get handled first
… …
2231 } else { 3083 } else {
2232 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3084 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233 } 3085 }
2234 } 3086 }
2235 }, 3087 },
3088 on_exticmd => sub {
3089 my ($ns, $buf) = @_;
3090
3091 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3092
3093 if (ref $msg) {
3094 my ($type, $reply, @payload) =
3095 "ARRAY" eq ref $msg
3096 ? @$msg
3097 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3098
3099 my @reply;
3100
3101 if (my $cb = $EXTICMD{$type}) {
3102 @reply = $cb->($ns, @payload);
3103 }
3104
3105 $ns->ext_reply ($reply, @reply)
3106 if $reply;
3107
3108 } else {
3109 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3110 }
3111
3112 cf::override;
3113 },
2236); 3114);
2237 3115
2238=item $client->async (\&cb) 3116=item $client->async (\&cb)
2239 3117
2240Create a new coroutine, running the specified callback. The coroutine will 3118Create a new coroutine, running the specified callback. The coroutine will
… …
2256 3134
2257 $coro 3135 $coro
2258} 3136}
2259 3137
2260cf::client->attach ( 3138cf::client->attach (
2261 on_destroy => sub { 3139 on_client_destroy => sub {
2262 my ($ns) = @_; 3140 my ($ns) = @_;
2263 3141
2264 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3142 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265 }, 3143 },
2266); 3144);
… …
2281our $safe = new Safe "safe"; 3159our $safe = new Safe "safe";
2282our $safe_hole = new Safe::Hole; 3160our $safe_hole = new Safe::Hole;
2283 3161
2284$SIG{FPE} = 'IGNORE'; 3162$SIG{FPE} = 'IGNORE';
2285 3163
2286$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3164$safe->permit_only (Opcode::opset qw(
3165 :base_core :base_mem :base_orig :base_math :base_loop
3166 grepstart grepwhile mapstart mapwhile
3167 sort time
3168));
2287 3169
2288# here we export the classes and methods available to script code 3170# here we export the classes and methods available to script code
2289 3171
2290=pod 3172=pod
2291 3173
2292The following functions and methods are available within a safe environment: 3174The following functions and methods are available within a safe environment:
2293 3175
2294 cf::object contr pay_amount pay_player map 3176 cf::object
3177 contr pay_amount pay_player map x y force_find force_add destroy
3178 insert remove name archname title slaying race decrease split
3179 value
3180
2295 cf::object::player player 3181 cf::object::player
2296 cf::player peaceful 3182 player
2297 cf::map trigger 3183
3184 cf::player
3185 peaceful
3186
3187 cf::map
3188 trigger
2298 3189
2299=cut 3190=cut
2300 3191
2301for ( 3192for (
2302 ["cf::object" => qw(contr pay_amount pay_player map)], 3193 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3194 insert remove inv nrof name archname title slaying race
3195 decrease split destroy change_exp value msg lore send_msg)],
2303 ["cf::object::player" => qw(player)], 3196 ["cf::object::player" => qw(player)],
2304 ["cf::player" => qw(peaceful)], 3197 ["cf::player" => qw(peaceful send_msg)],
2305 ["cf::map" => qw(trigger)], 3198 ["cf::map" => qw(trigger)],
2306) { 3199) {
2307 no strict 'refs'; 3200 no strict 'refs';
2308 my ($pkg, @funs) = @$_; 3201 my ($pkg, @funs) = @$_;
2309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3202 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2327 3220
2328 my $qcode = $code; 3221 my $qcode = $code;
2329 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3222 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2330 $qcode =~ s/\n/\\n/g; 3223 $qcode =~ s/\n/\\n/g;
2331 3224
3225 %vars = (_dummy => 0) unless %vars;
3226
3227 my @res;
2332 local $_; 3228 local $_;
2333 local @safe::cf::_safe_eval_args = values %vars;
2334 3229
2335 my $eval = 3230 my $eval =
2336 "do {\n" 3231 "do {\n"
2337 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3232 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338 . "#line 0 \"{$qcode}\"\n" 3233 . "#line 0 \"{$qcode}\"\n"
2339 . $code 3234 . $code
2340 . "\n}" 3235 . "\n}"
2341 ; 3236 ;
2342 3237
3238 if ($CFG{safe_eval}) {
2343 sub_generation_inc; 3239 sub_generation_inc;
3240 local @safe::cf::_safe_eval_args = values %vars;
2344 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3241 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345 sub_generation_inc; 3242 sub_generation_inc;
3243 } else {
3244 local @cf::_safe_eval_args = values %vars;
3245 @res = wantarray ? eval eval : scalar eval $eval;
3246 }
2346 3247
2347 if ($@) { 3248 if ($@) {
2348 warn "$@"; 3249 warn "$@";
2349 warn "while executing safe code '$code'\n"; 3250 warn "while executing safe code '$code'\n";
2350 warn "with arguments " . (join " ", %vars) . "\n"; 3251 warn "with arguments " . (join " ", %vars) . "\n";
… …
2369=cut 3270=cut
2370 3271
2371sub register_script_function { 3272sub register_script_function {
2372 my ($fun, $cb) = @_; 3273 my ($fun, $cb) = @_;
2373 3274
2374 no strict 'refs'; 3275 $fun = "safe::$fun" if $CFG{safe_eval};
2375 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3276 *$fun = $safe_hole->wrap ($cb);
2376} 3277}
2377 3278
2378=back 3279=back
2379 3280
2380=cut 3281=cut
2381
2382#############################################################################
2383
2384=head2 EXTENSION DATABASE SUPPORT
2385
2386Crossfire maintains a very simple database for extension use. It can
2387currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388convert to/from binary).
2389
2390The parameter C<$family> should best start with the name of the extension
2391using it, it should be unique.
2392
2393=over 4
2394
2395=item $value = cf::db_get $family => $key
2396
2397Returns a single value from the database.
2398
2399=item cf::db_put $family => $key => $value
2400
2401Stores the given C<$value> in the family.
2402
2403=cut
2404
2405our $DB;
2406
2407sub db_init {
2408 unless ($DB) {
2409 $DB = BDB::db_create $DB_ENV;
2410
2411 cf::sync_job {
2412 eval {
2413 $DB->set_flags (BDB::CHKSUM);
2414
2415 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417 cf::cleanup "db_open(db): $!" if $!;
2418 };
2419 cf::cleanup "db_open(db): $@" if $@;
2420 };
2421 }
2422}
2423
2424sub db_get($$) {
2425 my $key = "$_[0]/$_[1]";
2426
2427 cf::sync_job {
2428 BDB::db_get $DB, undef, $key, my $data;
2429
2430 $! ? ()
2431 : $data
2432 }
2433}
2434
2435sub db_put($$$) {
2436 BDB::dbreq_pri 4;
2437 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438}
2439
2440=item cf::cache $id => [$paths...], $processversion => $process
2441
2442Generic caching function that returns the value of the resource $id,
2443caching and regenerating as required.
2444
2445This function can block.
2446
2447=cut
2448
2449sub cache {
2450 my ($id, $src, $processversion, $process) = @_;
2451
2452 my $meta =
2453 join "\x00",
2454 $processversion,
2455 map {
2456 aio_stat $_
2457 and Carp::croak "$_: $!";
2458
2459 ($_, (stat _)[7,9])
2460 } @$src;
2461
2462 my $dbmeta = db_get cache => "$id/meta";
2463 if ($dbmeta ne $meta) {
2464 # changed, we may need to process
2465
2466 my @data;
2467 my $md5;
2468
2469 for (0 .. $#$src) {
2470 0 <= aio_load $src->[$_], $data[$_]
2471 or Carp::croak "$src->[$_]: $!";
2472 }
2473
2474 # if processing is expensive, check
2475 # checksum first
2476 if (1) {
2477 $md5 =
2478 join "\x00",
2479 $processversion,
2480 map {
2481 Coro::cede;
2482 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2483 } 0.. $#$src;
2484
2485
2486 my $dbmd5 = db_get cache => "$id/md5";
2487 if ($dbmd5 eq $md5) {
2488 db_put cache => "$id/meta", $meta;
2489
2490 return db_get cache => "$id/data";
2491 }
2492 }
2493
2494 my $t1 = Time::HiRes::time;
2495 my $data = $process->(\@data);
2496 my $t2 = Time::HiRes::time;
2497
2498 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500 db_put cache => "$id/data", $data;
2501 db_put cache => "$id/md5" , $md5;
2502 db_put cache => "$id/meta", $meta;
2503
2504 return $data;
2505 }
2506
2507 db_get cache => "$id/data"
2508}
2509
2510=item fork_call { }, $args
2511
2512Executes the given code block with the given arguments in a seperate
2513process, returning the results. Everything must be serialisable with
2514Coro::Storable. May, of course, block. Note that the executed sub may
2515never block itself or use any form of Event handling.
2516
2517=cut
2518
2519sub fork_call(&@) {
2520 my ($cb, @args) = @_;
2521
2522# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523# or die "socketpair: $!";
2524 pipe my $fh1, my $fh2
2525 or die "pipe: $!";
2526
2527 if (my $pid = fork) {
2528 close $fh2;
2529
2530 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531 $res = Coro::Storable::thaw $res;
2532
2533 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535 die $$res unless "ARRAY" eq ref $res;
2536
2537 return wantarray ? @$res : $res->[-1];
2538 } else {
2539 reset_signals;
2540 local $SIG{__WARN__};
2541 local $SIG{__DIE__};
2542 eval {
2543 close $fh1;
2544
2545 my @res = eval { $cb->(@args) };
2546 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547 };
2548
2549 warn $@ if $@;
2550 _exit 0;
2551 }
2552}
2553 3282
2554############################################################################# 3283#############################################################################
2555# the server's init and main functions 3284# the server's init and main functions
2556 3285
2557sub load_facedata($) { 3286sub load_facedata($) {
2558 my ($path) = @_; 3287 my ($path) = @_;
3288
3289 # HACK to clear player env face cache, we need some signal framework
3290 # for this (global event?)
3291 %ext::player_env::MUSIC_FACE_CACHE = ();
3292
3293 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559 3294
2560 warn "loading facedata from $path\n"; 3295 warn "loading facedata from $path\n";
2561 3296
2562 my $facedata; 3297 my $facedata;
2563 0 < aio_load $path, $facedata 3298 0 < aio_load $path, $facedata
… …
2566 $facedata = Coro::Storable::thaw $facedata; 3301 $facedata = Coro::Storable::thaw $facedata;
2567 3302
2568 $facedata->{version} == 2 3303 $facedata->{version} == 2
2569 or cf::cleanup "$path: version mismatch, cannot proceed."; 3304 or cf::cleanup "$path: version mismatch, cannot proceed.";
2570 3305
3306 # patch in the exptable
3307 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3308 $facedata->{resource}{"res/exp_table"} = {
3309 type => FT_RSRC,
3310 data => $exp_table,
3311 hash => (Digest::MD5::md5 $exp_table),
3312 };
3313 cf::cede_to_tick;
3314
2571 { 3315 {
2572 my $faces = $facedata->{faceinfo}; 3316 my $faces = $facedata->{faceinfo};
2573 3317
2574 while (my ($face, $info) = each %$faces) { 3318 while (my ($face, $info) = each %$faces) {
2575 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3319 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3320
2576 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3321 cf::face::set_visibility $idx, $info->{visibility};
3322 cf::face::set_magicmap $idx, $info->{magicmap};
2577 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3323 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3324 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579 Coro::cede; 3325
3326 cf::cede_to_tick;
2580 } 3327 }
2581 3328
2582 while (my ($face, $info) = each %$faces) { 3329 while (my ($face, $info) = each %$faces) {
2583 next unless $info->{smooth}; 3330 next unless $info->{smooth};
3331
2584 my $idx = cf::face::find $face 3332 my $idx = cf::face::find $face
2585 or next; 3333 or next;
3334
2586 if (my $smooth = cf::face::find $info->{smooth}) { 3335 if (my $smooth = cf::face::find $info->{smooth}) {
3336 cf::face::set_smooth $idx, $smooth;
2587 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3337 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588 } else { 3338 } else {
2589 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3339 warn "smooth face '$info->{smooth}' not found for face '$face'";
2590 } 3340 }
2591 Coro::cede; 3341
3342 cf::cede_to_tick;
2592 } 3343 }
2593 } 3344 }
2594 3345
2595 { 3346 {
2596 my $anims = $facedata->{animinfo}; 3347 my $anims = $facedata->{animinfo};
2597 3348
2598 while (my ($anim, $info) = each %$anims) { 3349 while (my ($anim, $info) = each %$anims) {
2599 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3350 cf::anim::set $anim, $info->{frames}, $info->{facings};
2600 Coro::cede; 3351 cf::cede_to_tick;
2601 } 3352 }
2602 3353
2603 cf::anim::invalidate_all; # d'oh 3354 cf::anim::invalidate_all; # d'oh
2604 } 3355 }
2605 3356
3357 {
3358 my $res = $facedata->{resource};
3359
3360 while (my ($name, $info) = each %$res) {
3361 if (defined $info->{type}) {
3362 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3363
3364 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3365 cf::face::set_type $idx, $info->{type};
3366 } else {
3367 $RESOURCE{$name} = $info;
3368 }
3369
3370 cf::cede_to_tick;
3371 }
3372 }
3373
3374 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3375
2606 1 3376 1
2607} 3377}
2608 3378
3379cf::global->attach (on_resource_update => sub {
3380 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3381 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3382
3383 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3384 my $sound = $soundconf->{compat}[$_]
3385 or next;
3386
3387 my $face = cf::face::find "sound/$sound->[1]";
3388 cf::sound::set $sound->[0] => $face;
3389 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3390 }
3391
3392 while (my ($k, $v) = each %{$soundconf->{event}}) {
3393 my $face = cf::face::find "sound/$v";
3394 cf::sound::set $k => $face;
3395 }
3396 }
3397});
3398
3399register_exticmd fx_want => sub {
3400 my ($ns, $want) = @_;
3401
3402 while (my ($k, $v) = each %$want) {
3403 $ns->fx_want ($k, $v);
3404 }
3405};
3406
3407sub load_resource_file($) {
3408 my $guard = lock_acquire "load_resource_file";
3409
3410 my $status = load_resource_file_ $_[0];
3411 get_slot 0.1, 100;
3412 cf::arch::commit_load;
3413
3414 $status
3415}
3416
2609sub reload_regions { 3417sub reload_regions {
3418 # HACK to clear player env face cache, we need some signal framework
3419 # for this (global event?)
3420 %ext::player_env::MUSIC_FACE_CACHE = ();
3421
2610 load_resource_file "$MAPDIR/regions" 3422 load_resource_file "$MAPDIR/regions"
2611 or die "unable to load regions file\n"; 3423 or die "unable to load regions file\n";
3424
3425 for (cf::region::list) {
3426 $_->{match} = qr/$_->{match}/
3427 if exists $_->{match};
3428 }
2612} 3429}
2613 3430
2614sub reload_facedata { 3431sub reload_facedata {
2615 load_facedata "$DATADIR/facedata" 3432 load_facedata "$DATADIR/facedata"
2616 or die "unable to load facedata\n"; 3433 or die "unable to load facedata\n";
… …
2627} 3444}
2628 3445
2629sub reload_resources { 3446sub reload_resources {
2630 warn "reloading resource files...\n"; 3447 warn "reloading resource files...\n";
2631 3448
3449 reload_facedata;
3450 reload_archetypes;
2632 reload_regions; 3451 reload_regions;
2633 reload_facedata;
2634 #reload_archetypes;#d#
2635 reload_archetypes;
2636 reload_treasures; 3452 reload_treasures;
2637 3453
2638 warn "finished reloading resource files\n"; 3454 warn "finished reloading resource files\n";
2639} 3455}
2640 3456
2641sub init { 3457sub reload_config {
2642 reload_resources; 3458 warn "reloading config file...\n";
2643}
2644 3459
2645sub cfg_load {
2646 open my $fh, "<:utf8", "$CONFDIR/config" 3460 open my $fh, "<:utf8", "$CONFDIR/config"
2647 or return; 3461 or return;
2648 3462
2649 local $/; 3463 local $/;
2650 *CFG = YAML::Syck::Load <$fh>; 3464 *CFG = YAML::XS::Load scalar <$fh>;
2651 3465
2652 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3466 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2653 3467
2654 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3468 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3469 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2659 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3473 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2660 and die "WARNING: m(un)lockall failed: $!\n"; 3474 and die "WARNING: m(un)lockall failed: $!\n";
2661 }; 3475 };
2662 warn $@ if $@; 3476 warn $@ if $@;
2663 } 3477 }
3478
3479 warn "finished reloading resource files\n";
3480}
3481
3482sub pidfile() {
3483 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3484 or die "$PIDFILE: $!";
3485 flock $fh, &Fcntl::LOCK_EX
3486 or die "$PIDFILE: flock: $!";
3487 $fh
3488}
3489
3490# make sure only one server instance is running at any one time
3491sub atomic {
3492 my $fh = pidfile;
3493
3494 my $pid = <$fh>;
3495 kill 9, $pid if $pid > 0;
3496
3497 seek $fh, 0, 0;
3498 print $fh $$;
3499}
3500
3501sub main_loop {
3502 warn "EV::loop starting\n";
3503 if (1) {
3504 EV::loop;
3505 }
3506 warn "EV::loop returned\n";
3507 goto &main_loop unless $REALLY_UNLOOP;
2664} 3508}
2665 3509
2666sub main { 3510sub main {
3511 cf::init_globals; # initialise logging
3512
3513 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3514 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3515 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3516 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3517
3518 cf::init_experience;
3519 cf::init_anim;
3520 cf::init_attackmess;
3521 cf::init_dynamic;
3522
3523 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3524
2667 # we must not ever block the main coroutine 3525 # we must not ever block the main coroutine
2668 local $Coro::idle = sub { 3526 local $Coro::idle = sub {
2669 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3527 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670 (async { 3528 (async {
2671 Event::one_event; 3529 $Coro::current->{desc} = "IDLE BUG HANDLER";
3530 EV::loop EV::LOOP_ONESHOT;
2672 })->prio (Coro::PRIO_MAX); 3531 })->prio (Coro::PRIO_MAX);
2673 }; 3532 };
2674 3533
2675 cfg_load; 3534 evthread_start IO::AIO::poll_fileno;
3535
3536 cf::sync_job {
3537 cf::load_settings;
3538 cf::load_materials;
3539
3540 reload_resources;
3541 reload_config;
2676 db_init; 3542 db_init;
3543
3544 cf::init_uuid;
3545 cf::init_signals;
3546 cf::init_skills;
3547
3548 cf::init_beforeplay;
3549
3550 atomic;
3551
2677 load_extensions; 3552 load_extensions;
2678 3553
2679 $TICK_WATCHER->start; 3554 utime time, time, $RUNTIMEFILE;
2680 Event::loop; 3555
3556 # no (long-running) fork's whatsoever before this point(!)
3557 use POSIX ();
3558 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3559
3560 (pop @POST_INIT)->(0) while @POST_INIT;
3561 };
3562
3563 main_loop;
2681} 3564}
2682 3565
2683############################################################################# 3566#############################################################################
2684# initialisation and cleanup 3567# initialisation and cleanup
2685 3568
2686# install some emergency cleanup handlers 3569# install some emergency cleanup handlers
2687BEGIN { 3570BEGIN {
3571 our %SIGWATCHER = ();
2688 for my $signal (qw(INT HUP TERM)) { 3572 for my $signal (qw(INT HUP TERM)) {
2689 Event->signal ( 3573 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2690 reentrant => 0,
2691 data => WF_AUTOCANCEL,
2692 signal => $signal,
2693 prio => 0,
2694 cb => sub {
2695 cf::cleanup "SIG$signal"; 3574 cf::cleanup "SIG$signal";
2696 },
2697 ); 3575 };
3576 }
3577}
3578
3579sub write_runtime_sync {
3580 my $t0 = EV::time;
3581
3582 # first touch the runtime file to show we are still running:
3583 # the fsync below can take a very very long time.
3584
3585 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3586
3587 my $guard = cf::lock_acquire "write_runtime";
3588
3589 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3590 or return;
3591
3592 my $value = $cf::RUNTIME + 90 + 10;
3593 # 10 is the runtime save interval, for a monotonic clock
3594 # 60 allows for the watchdog to kill the server.
3595
3596 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3597 and return;
3598
3599 # always fsync - this file is important
3600 aio_fsync $fh
3601 and return;
3602
3603 # touch it again to show we are up-to-date
3604 aio_utime $fh, undef, undef;
3605
3606 close $fh
3607 or return;
3608
3609 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3610 and return;
3611
3612 warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3613
2698 } 3614 1
3615}
3616
3617our $uuid_lock;
3618our $uuid_skip;
3619
3620sub write_uuid_sync($) {
3621 $uuid_skip ||= $_[0];
3622
3623 return if $uuid_lock;
3624 local $uuid_lock = 1;
3625
3626 my $uuid = "$LOCALDIR/uuid";
3627
3628 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3629 or return;
3630
3631 my $value = uuid_seq uuid_cur;
3632
3633 unless ($value) {
3634 warn "cowardly refusing to write zero uuid value!\n";
3635 return;
3636 }
3637
3638 my $value = uuid_str $value + $uuid_skip;
3639 $uuid_skip = 0;
3640
3641 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3642 and return;
3643
3644 # always fsync - this file is important
3645 aio_fsync $fh
3646 and return;
3647
3648 close $fh
3649 or return;
3650
3651 aio_rename "$uuid~", $uuid
3652 and return;
3653
3654 warn "uuid file written ($value).\n";
3655
3656 1
3657
3658}
3659
3660sub write_uuid($$) {
3661 my ($skip, $sync) = @_;
3662
3663 $sync ? write_uuid_sync $skip
3664 : async { write_uuid_sync $skip };
2699} 3665}
2700 3666
2701sub emergency_save() { 3667sub emergency_save() {
2702 my $freeze_guard = cf::freeze_mainloop; 3668 my $freeze_guard = cf::freeze_mainloop;
2703 3669
2704 warn "enter emergency perl save\n"; 3670 warn "emergency_perl_save: enter\n";
2705 3671
2706 cf::sync_job { 3672 cf::sync_job {
3673 # this is a trade-off: we want to be very quick here, so
3674 # save all maps without fsync, and later call a global sync
3675 # (which in turn might be very very slow)
3676 local $USE_FSYNC = 0;
3677
2707 # use a peculiar iteration method to avoid tripping on perl 3678 # use a peculiar iteration method to avoid tripping on perl
2708 # refcount bugs in for. also avoids problems with players 3679 # refcount bugs in for. also avoids problems with players
2709 # and maps saved/destroyed asynchronously. 3680 # and maps saved/destroyed asynchronously.
2710 warn "begin emergency player save\n"; 3681 warn "emergency_perl_save: begin player save\n";
2711 for my $login (keys %cf::PLAYER) { 3682 for my $login (keys %cf::PLAYER) {
2712 my $pl = $cf::PLAYER{$login} or next; 3683 my $pl = $cf::PLAYER{$login} or next;
2713 $pl->valid or next; 3684 $pl->valid or next;
3685 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714 $pl->save; 3686 $pl->save;
2715 } 3687 }
2716 warn "end emergency player save\n"; 3688 warn "emergency_perl_save: end player save\n";
2717 3689
2718 warn "begin emergency map save\n"; 3690 warn "emergency_perl_save: begin map save\n";
2719 for my $path (keys %cf::MAP) { 3691 for my $path (keys %cf::MAP) {
2720 my $map = $cf::MAP{$path} or next; 3692 my $map = $cf::MAP{$path} or next;
2721 $map->valid or next; 3693 $map->valid or next;
2722 $map->save; 3694 $map->save;
2723 } 3695 }
2724 warn "end emergency map save\n"; 3696 warn "emergency_perl_save: end map save\n";
2725 3697
2726 warn "begin emergency database checkpoint\n"; 3698 warn "emergency_perl_save: begin database checkpoint\n";
2727 BDB::db_env_txn_checkpoint $DB_ENV; 3699 BDB::db_env_txn_checkpoint $DB_ENV;
2728 warn "end emergency database checkpoint\n"; 3700 warn "emergency_perl_save: end database checkpoint\n";
3701
3702 warn "emergency_perl_save: begin write uuid\n";
3703 write_uuid_sync 1;
3704 warn "emergency_perl_save: end write uuid\n";
2729 }; 3705 };
2730 3706
3707 warn "emergency_perl_save: starting sync()\n";
3708 IO::AIO::aio_sync sub {
3709 warn "emergency_perl_save: finished sync()\n";
3710 };
3711
2731 warn "leave emergency perl save\n"; 3712 warn "emergency_perl_save: leave\n";
2732} 3713}
2733 3714
2734sub post_cleanup { 3715sub post_cleanup {
2735 my ($make_core) = @_; 3716 my ($make_core) = @_;
2736 3717
2737 warn Carp::longmess "post_cleanup backtrace" 3718 warn Carp::longmess "post_cleanup backtrace"
2738 if $make_core; 3719 if $make_core;
3720
3721 my $fh = pidfile;
3722 unlink $PIDFILE if <$fh> == $$;
3723}
3724
3725# a safer delete_package, copied from Symbol
3726sub clear_package($) {
3727 my $pkg = shift;
3728
3729 # expand to full symbol table name if needed
3730 unless ($pkg =~ /^main::.*::$/) {
3731 $pkg = "main$pkg" if $pkg =~ /^::/;
3732 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3733 $pkg .= '::' unless $pkg =~ /::$/;
3734 }
3735
3736 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3737 my $stem_symtab = *{$stem}{HASH};
3738
3739 defined $stem_symtab and exists $stem_symtab->{$leaf}
3740 or return;
3741
3742 # clear all symbols
3743 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3744 for my $name (keys %$leaf_symtab) {
3745 _gv_clear *{"$pkg$name"};
3746# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3747 }
3748 warn "cleared package $pkg\n";#d#
2739} 3749}
2740 3750
2741sub do_reload_perl() { 3751sub do_reload_perl() {
2742 # can/must only be called in main 3752 # can/must only be called in main
2743 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2744 warn "can only reload from main coroutine"; 3754 warn "can only reload from main coroutine";
2745 return; 3755 return;
2746 } 3756 }
2747 3757
3758 return if $RELOAD++;
3759
3760 my $t1 = EV::time;
3761
3762 while ($RELOAD) {
2748 warn "reloading..."; 3763 warn "reloading...";
2749 3764
2750 warn "entering sync_job"; 3765 warn "entering sync_job";
2751 3766
2752 cf::sync_job { 3767 cf::sync_job {
2753 cf::write_runtime; # external watchdog should not bark 3768 cf::write_runtime_sync; # external watchdog should not bark
2754 cf::emergency_save; 3769 cf::emergency_save;
2755 cf::write_runtime; # external watchdog should not bark 3770 cf::write_runtime_sync; # external watchdog should not bark
2756 3771
2757 warn "syncing database to disk"; 3772 warn "syncing database to disk";
2758 BDB::db_env_txn_checkpoint $DB_ENV; 3773 BDB::db_env_txn_checkpoint $DB_ENV;
2759 3774
2760 # if anything goes wrong in here, we should simply crash as we already saved 3775 # if anything goes wrong in here, we should simply crash as we already saved
2761 3776
2762 warn "cancelling all WF_AUTOCANCEL watchers";
2763 for (Event::all_watchers) {
2764 $_->cancel if $_->data & WF_AUTOCANCEL;
2765 }
2766
2767 warn "flushing outstanding aio requests"; 3777 warn "flushing outstanding aio requests";
2768 for (;;) {
2769 BDB::flush;
2770 IO::AIO::flush;
2771 Coro::cede;
2772 last unless IO::AIO::nreqs || BDB::nreqs; 3778 while (IO::AIO::nreqs || BDB::nreqs) {
2773 warn "iterate..."; 3779 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2774 }
2775
2776 ++$RELOAD;
2777
2778 warn "cancelling all extension coros";
2779 $_->cancel for values %EXT_CORO;
2780 %EXT_CORO = ();
2781
2782 warn "removing commands";
2783 %COMMAND = ();
2784
2785 warn "removing ext commands";
2786 %EXTCMD = ();
2787
2788 warn "unloading/nuking all extensions";
2789 for my $pkg (@EXTS) {
2790 warn "... unloading $pkg";
2791
2792 if (my $cb = $pkg->can ("unload")) {
2793 eval {
2794 $cb->($pkg);
2795 1
2796 } or warn "$pkg unloaded, but with errors: $@";
2797 } 3780 }
2798 3781
2799 warn "... nuking $pkg"; 3782 warn "cancelling all extension coros";
2800 Symbol::delete_package $pkg; 3783 $_->cancel for values %EXT_CORO;
2801 } 3784 %EXT_CORO = ();
2802 3785
2803 warn "unloading all perl modules loaded from $LIBDIR"; 3786 warn "removing commands";
2804 while (my ($k, $v) = each %INC) { 3787 %COMMAND = ();
2805 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806 3788
3789 warn "removing ext/exti commands";
3790 %EXTCMD = ();
3791 %EXTICMD = ();
3792
3793 warn "unloading/nuking all extensions";
3794 for my $pkg (@EXTS) {
2807 warn "... unloading $k"; 3795 warn "... unloading $pkg";
2808 delete $INC{$k};
2809 3796
2810 $k =~ s/\.pm$//;
2811 $k =~ s/\//::/g;
2812
2813 if (my $cb = $k->can ("unload_module")) { 3797 if (my $cb = $pkg->can ("unload")) {
3798 eval {
2814 $cb->(); 3799 $cb->($pkg);
3800 1
3801 } or warn "$pkg unloaded, but with errors: $@";
3802 }
3803
3804 warn "... clearing $pkg";
3805 clear_package $pkg;
2815 } 3806 }
2816 3807
2817 Symbol::delete_package $k; 3808 warn "unloading all perl modules loaded from $LIBDIR";
3809 while (my ($k, $v) = each %INC) {
3810 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3811
3812 warn "... unloading $k";
3813 delete $INC{$k};
3814
3815 $k =~ s/\.pm$//;
3816 $k =~ s/\//::/g;
3817
3818 if (my $cb = $k->can ("unload_module")) {
3819 $cb->();
3820 }
3821
3822 clear_package $k;
2818 } 3823 }
2819 3824
2820 warn "getting rid of safe::, as good as possible"; 3825 warn "getting rid of safe::, as good as possible";
2821 Symbol::delete_package "safe::$_" 3826 clear_package "safe::$_"
2822 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3827 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823 3828
2824 warn "unloading cf.pm \"a bit\""; 3829 warn "unloading cf.pm \"a bit\"";
2825 delete $INC{"cf.pm"}; 3830 delete $INC{"cf.pm"};
2826 delete $INC{"cf/pod.pm"}; 3831 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827 3832
2828 # don't, removes xs symbols, too, 3833 # don't, removes xs symbols, too,
2829 # and global variables created in xs 3834 # and global variables created in xs
2830 #Symbol::delete_package __PACKAGE__; 3835 #clear_package __PACKAGE__;
2831 3836
2832 warn "unload completed, starting to reload now"; 3837 warn "unload completed, starting to reload now";
2833 3838
2834 warn "reloading cf.pm"; 3839 warn "reloading cf.pm";
2835 require cf; 3840 require cf;
2836 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3841 cf::_connect_to_perl_1;
2837 3842
2838 warn "loading config and database again"; 3843 warn "loading config and database again";
2839 cf::cfg_load; 3844 cf::reload_config;
2840 3845
2841 warn "loading extensions"; 3846 warn "loading extensions";
2842 cf::load_extensions; 3847 cf::load_extensions;
2843 3848
3849 if ($REATTACH_ON_RELOAD) {
2844 warn "reattaching attachments to objects/players"; 3850 warn "reattaching attachments to objects/players";
2845 _global_reattach; # objects, sockets 3851 _global_reattach; # objects, sockets
2846 warn "reattaching attachments to maps"; 3852 warn "reattaching attachments to maps";
2847 reattach $_ for values %MAP; 3853 reattach $_ for values %MAP;
2848 warn "reattaching attachments to players"; 3854 warn "reattaching attachments to players";
2849 reattach $_ for values %PLAYER; 3855 reattach $_ for values %PLAYER;
3856 }
2850 3857
3858 warn "running post_init jobs";
3859 (pop @POST_INIT)->(1) while @POST_INIT;
3860
2851 warn "leaving sync_job"; 3861 warn "leaving sync_job";
2852 3862
2853 1 3863 1
2854 } or do { 3864 } or do {
2855 warn $@; 3865 warn $@;
2856 warn "error while reloading, exiting."; 3866 cf::cleanup "error while reloading, exiting.";
2857 exit 1;
2858 }; 3867 };
2859 3868
2860 warn "reloaded"; 3869 warn "reloaded";
3870 --$RELOAD;
3871 }
3872
3873 $t1 = EV::time - $t1;
3874 warn "reload completed in ${t1}s\n";
2861}; 3875};
2862 3876
2863our $RELOAD_WATCHER; # used only during reload 3877our $RELOAD_WATCHER; # used only during reload
2864 3878
2865sub reload_perl() { 3879sub reload_perl() {
2866 # doing reload synchronously and two reloads happen back-to-back, 3880 # doing reload synchronously and two reloads happen back-to-back,
2867 # coro crashes during coro_state_free->destroy here. 3881 # coro crashes during coro_state_free->destroy here.
2868 3882
2869 $RELOAD_WATCHER ||= Event->timer ( 3883 $RELOAD_WATCHER ||= cf::async {
2870 reentrant => 0, 3884 Coro::AIO::aio_wait cache_extensions;
2871 after => 0, 3885
2872 data => WF_AUTOCANCEL, 3886 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2873 cb => sub {
2874 do_reload_perl; 3887 do_reload_perl;
2875 undef $RELOAD_WATCHER; 3888 undef $RELOAD_WATCHER;
2876 }, 3889 };
2877 ); 3890 };
2878} 3891}
2879 3892
2880register_command "reload" => sub { 3893register_command "reload" => sub {
2881 my ($who, $arg) = @_; 3894 my ($who, $arg) = @_;
2882 3895
2883 if ($who->flag (FLAG_WIZ)) { 3896 if ($who->flag (FLAG_WIZ)) {
2884 $who->message ("reloading server."); 3897 $who->message ("reloading server.");
3898 async {
3899 $Coro::current->{desc} = "perl_reload";
2885 async { reload_perl }; 3900 reload_perl;
3901 };
2886 } 3902 }
2887}; 3903};
2888 3904
2889unshift @INC, $LIBDIR; 3905unshift @INC, $LIBDIR;
2890 3906
… …
2892 3908
2893our @WAIT_FOR_TICK; 3909our @WAIT_FOR_TICK;
2894our @WAIT_FOR_TICK_BEGIN; 3910our @WAIT_FOR_TICK_BEGIN;
2895 3911
2896sub wait_for_tick { 3912sub wait_for_tick {
2897 return unless $TICK_WATCHER->is_active;
2898 return if $Coro::current == $Coro::main; 3913 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2899 3914
2900 my $signal = new Coro::Signal; 3915 my $signal = new Coro::Signal;
2901 push @WAIT_FOR_TICK, $signal; 3916 push @WAIT_FOR_TICK, $signal;
2902 $signal->wait; 3917 $signal->wait;
2903} 3918}
2904 3919
2905sub wait_for_tick_begin { 3920sub wait_for_tick_begin {
2906 return unless $TICK_WATCHER->is_active;
2907 return if $Coro::current == $Coro::main; 3921 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2908 3922
2909 my $signal = new Coro::Signal; 3923 my $signal = new Coro::Signal;
2910 push @WAIT_FOR_TICK_BEGIN, $signal; 3924 push @WAIT_FOR_TICK_BEGIN, $signal;
2911 $signal->wait; 3925 $signal->wait;
2912} 3926}
2913 3927
2914 my $min = 1e6;#d# 3928sub tick {
2915 my $avg = 10;
2916$TICK_WATCHER = Event->timer (
2917 reentrant => 0,
2918 parked => 1,
2919 prio => 0,
2920 at => $NEXT_TICK || $TICK,
2921 data => WF_AUTOCANCEL,
2922 cb => sub {
2923 if ($Coro::current != $Coro::main) { 3929 if ($Coro::current != $Coro::main) {
2924 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3930 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925 unless ++$bug_warning > 10; 3931 unless ++$bug_warning > 10;
2926 return; 3932 return;
2927 } 3933 }
2928 3934
2929 $NOW = $tick_start = Event::time;
2930
2931 cf::server_tick; # one server iteration 3935 cf::server_tick; # one server iteration
2932 3936
2933 0 && sync_job {#d# 3937 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2934 for(1..10) {
2935 my $t = Event::time;
2936 my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937 or die;
2938 3938
2939 $map->width (50); 3939 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2940 $map->height (50); 3940 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2941 $map->alloc; 3941 Coro::async_pool {
2942 $map->_load_objects ("/tmp/x.map", 1); 3942 $Coro::current->{desc} = "runtime saver";
2943 my $t = Event::time - $t; 3943 write_runtime_sync
2944 3944 or warn "ERROR: unable to write runtime file: $!";
2945 #next unless $t < 0.0013;#d#
2946 if ($t < $min) {
2947 $min = $t;
2948 }
2949 $avg = $avg * 0.99 + $t * 0.01;
2950 }
2951 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952 exit 0;
2953 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954 }; 3945 };
3946 }
2955 3947
2956 $RUNTIME += $TICK;
2957 $NEXT_TICK += $TICK;
2958
2959 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960 $NEXT_RUNTIME_WRITE = $NOW + 10;
2961 Coro::async_pool {
2962 write_runtime
2963 or warn "ERROR: unable to write runtime file: $!";
2964 };
2965 }
2966
2967# my $AFTER = Event::time;
2968# warn $AFTER - $NOW;#d#
2969
2970 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3948 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971 $sig->send; 3949 $sig->send;
2972 } 3950 }
2973 while (my $sig = shift @WAIT_FOR_TICK) { 3951 while (my $sig = shift @WAIT_FOR_TICK) {
2974 $sig->send; 3952 $sig->send;
2975 } 3953 }
2976 3954
2977 $NOW = Event::time; 3955 $LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979 # if we are delayed by four ticks or more, skip them all
2980 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982 $TICK_WATCHER->at ($NEXT_TICK);
2983 $TICK_WATCHER->start;
2984
2985 $LOAD = ($NOW - $tick_start) / $TICK;
2986 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3956 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987 3957
2988 _post_tick; 3958 if (0) {
2989 3959 if ($NEXT_TICK) {
2990 3960 my $jitter = $TICK_START - $NEXT_TICK;
3961 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3962 warn "jitter $JITTER\n";#d#
3963 }
2991 }, 3964 }
2992); 3965}
2993 3966
2994{ 3967{
2995 BDB::max_poll_time $TICK * 0.1; 3968 # configure BDB
2996 $BDB_POLL_WATCHER = Event->io ( 3969
2997 reentrant => 0,
2998 fd => BDB::poll_fileno,
2999 poll => 'r',
3000 prio => 0,
3001 data => WF_AUTOCANCEL,
3002 cb => \&BDB::poll_cb,
3003 );
3004 BDB::min_parallel 8; 3970 BDB::min_parallel 16;
3005 3971 BDB::max_poll_reqs $TICK * 0.1;
3006 BDB::set_sync_prepare { 3972 $AnyEvent::BDB::WATCHER->priority (1);
3007 my $status;
3008 my $current = $Coro::current;
3009 (
3010 sub {
3011 $status = $!;
3012 $current->ready; undef $current;
3013 },
3014 sub {
3015 Coro::schedule while defined $current;
3016 $! = $status;
3017 },
3018 )
3019 };
3020 3973
3021 unless ($DB_ENV) { 3974 unless ($DB_ENV) {
3022 $DB_ENV = BDB::db_env_create; 3975 $DB_ENV = BDB::db_env_create;
3976 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3977 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3978 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3979 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3980 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023 3981
3024 cf::sync_job { 3982 cf::sync_job {
3025 eval { 3983 eval {
3026 BDB::db_env_open 3984 BDB::db_env_open
3027 $DB_ENV, 3985 $DB_ENV,
… …
3029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3987 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3988 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031 0666; 3989 0666;
3032 3990
3033 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3991 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036 $DB_ENV->set_lk_detect;
3037 }; 3992 };
3038 3993
3039 cf::cleanup "db_env_open(db): $@" if $@; 3994 cf::cleanup "db_env_open(db): $@" if $@;
3040 }; 3995 };
3041 } 3996 }
3997
3998 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3999 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4000 };
4001 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4002 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4003 };
4004 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4005 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4006 };
3042} 4007}
3043 4008
3044{ 4009{
4010 # configure IO::AIO
4011
3045 IO::AIO::min_parallel 8; 4012 IO::AIO::min_parallel 8;
3046
3047 undef $Coro::AIO::WATCHER;
3048 IO::AIO::max_poll_time $TICK * 0.1; 4013 IO::AIO::max_poll_time $TICK * 0.1;
3049 $AIO_POLL_WATCHER = Event->io ( 4014 undef $AnyEvent::AIO::WATCHER;
3050 reentrant => 0,
3051 data => WF_AUTOCANCEL,
3052 fd => IO::AIO::poll_fileno,
3053 poll => 'r',
3054 prio => 6,
3055 cb => \&IO::AIO::poll_cb,
3056 );
3057} 4015}
3058 4016
3059my $_log_backtrace; 4017my $_log_backtrace;
3060 4018
3061sub _log_backtrace { 4019sub _log_backtrace {
… …
3064 $msg =~ s/\n//; 4022 $msg =~ s/\n//;
3065 4023
3066 # limit the # of concurrent backtraces 4024 # limit the # of concurrent backtraces
3067 if ($_log_backtrace < 2) { 4025 if ($_log_backtrace < 2) {
3068 ++$_log_backtrace; 4026 ++$_log_backtrace;
4027 my $perl_bt = Carp::longmess $msg;
3069 async { 4028 async {
4029 $Coro::current->{desc} = "abt $msg";
4030
3070 my @bt = fork_call { 4031 my @bt = fork_call {
3071 @addr = map { sprintf "%x", $_ } @addr; 4032 @addr = map { sprintf "%x", $_ } @addr;
3072 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4033 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4034 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074 or die "addr2line: $!"; 4035 or die "addr2line: $!";
… …
3082 } 4043 }
3083 4044
3084 @funcs 4045 @funcs
3085 }; 4046 };
3086 4047
3087 LOG llevInfo, "[ABT] $msg\n"; 4048 LOG llevInfo, "[ABT] $perl_bt\n";
4049 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088 LOG llevInfo, "[ABT] $_\n" for @bt; 4050 LOG llevInfo, "[ABT] $_\n" for @bt;
3089 --$_log_backtrace; 4051 --$_log_backtrace;
3090 }; 4052 };
3091 } else { 4053 } else {
3092 LOG llevInfo, "[ABT] $msg\n"; 4054 LOG llevInfo, "[ABT] $msg\n";
3093 LOG llevInfo, "[ABT] [suppressed]\n"; 4055 LOG llevInfo, "[ABT] [suppressed]\n";
3094 } 4056 }
3095} 4057}
3096 4058
3097# load additional modules 4059# load additional modules
3098use cf::pod; 4060require "cf/$_.pm" for @EXTRA_MODULES;
4061cf::_connect_to_perl_2;
3099 4062
3100END { cf::emergency_save } 4063END { cf::emergency_save }
3101 4064
31021 40651
3103 4066

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines