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Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.489 by root, Fri Oct 23 03:08:35 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
14 37
38use Guard ();
15use Coro 3.61 (); 39use Coro ();
16use Coro::State; 40use Coro::State;
17use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
18use Coro::Event; 43use Coro::AnyEvent;
19use Coro::Timer; 44use Coro::Timer;
20use Coro::Signal; 45use Coro::Signal;
21use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
22use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
23use Coro::Storable; 51use Coro::Storable;
52use Coro::Util ();
24 53
54use JSON::XS 2.01 ();
25use BDB (); 55use BDB ();
26use Data::Dumper; 56use Data::Dumper;
27use Digest::MD5; 57use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 276@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
277@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 278@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 279
194# we bless all objects into (empty) derived classes to force a method lookup 280# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 281# within the Safe compartment.
196for my $pkg (qw( 282for my $pkg (qw(
197 cf::global cf::attachable 283 cf::global cf::attachable
198 cf::object cf::object::player 284 cf::object cf::object::player
199 cf::client cf::player 285 cf::client cf::player
200 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
201 cf::map cf::party cf::region 288 cf::party cf::region
202)) { 289)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 291}
206 292
207$Event::DIED = sub { 293$EV::DIED = sub {
208 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
209}; 295};
296
297#############################################################################
210 298
211=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
212 300
213=over 4 301=over 4
214 302
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 322 $d
235 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
236} 324}
237 325
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
241 327
242Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
243 329
244=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
245 331
246Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
247 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
248=item cf::lock_wait $string 355=item cf::lock_wait $string
249 356
250Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
251 358
252=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
253 360
254Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
257returned. 364returned.
258 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
259Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
261 371
262=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
263 373
264Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
265 375
266=cut 376=cut
267 377
268our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
269 379
270sub lock_wait($) { 380sub lock_wait($) {
271 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 382}
279 383
280sub lock_acquire($) { 384sub lock_acquire($) {
281 my ($key) = @_; 385 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 386}
293 387
294sub lock_active($) { 388sub lock_active($) {
295 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 390}
299 391
300sub freeze_mainloop { 392sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
302 394
303 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
305 }; 456 }
306 $TICK_WATCHER->stop; 457};
307 $guard 458
459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
308} 471}
309 472
310=item cf::async { BLOCK } 473=item cf::async { BLOCK }
311 474
312Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
317 480
318BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
319 482
320=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
321 484
322The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
325 489
326If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
329fast or be very important. 493fast or be very important.
… …
332 496
333sub sync_job(&) { 497sub sync_job(&) {
334 my ($job) = @_; 498 my ($job) = @_;
335 499
336 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 501 my $time = EV::time;
338 502
339 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
341 505
342 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 507
344 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
345 509
346 my $busy = 1; 510 my $busy = 1;
347 my @res; 511 my @res;
348 512
349 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 515 @res = eval { $job->() };
351 warn $@ if $@; 516 warn $@ if $@;
352 undef $busy; 517 undef $busy;
353 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
354 519
355 while ($busy) { 520 while ($busy) {
356 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
357 } 525 }
526 }
358 527
359 $time = Event::time - $time; 528 my $time = EV::time - $time;
360 529
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
365 531
366 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
367 } else { 533 } else {
368 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
369 535
… …
389 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
390 556
391 $coro 557 $coro
392} 558}
393 559
394sub write_runtime { 560=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 561
397 # first touch the runtime file to show we are still running: 562Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
399 566
400 IO::AIO::aio_utime $runtime, undef, undef; 567=cut
401 568
402 my $guard = cf::lock_acquire "write_runtime"; 569sub fork_call(&@) {
570 my ($cb, @args) = @_;
403 571
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572 # we seemingly have to make a local copy of the whole thing,
405 or return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
406 575
407 my $value = $cf::RUNTIME + 90 + 10; 576 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 577 reset_signals;
409 # 60 allows for the watchdog to kill the server. 578 &$cb
579 }, @args;
410 580
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 581 wantarray ? @res : $res[-1]
412 and return; 582}
413 583
414 # always fsync - this file is important 584=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 585
418 # touch it again to show we are up-to-date 586=cut
419 aio_utime $fh, undef, undef;
420 587
421 close $fh 588our %coin_alias = (
422 or return; 589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
423 604
424 aio_rename "$runtime~", $runtime 605sub coin_from_name($) {
425 and return; 606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
426 610
427 warn "runtime file written.\n";#d# 611=item $value = cf::db_get $family => $key
428 612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
429 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
430} 736}
431 737
432=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
433 739
434Log a datalog packet of the given type with the given key-value pairs. 740Log a datalog packet of the given type with the given key-value pairs.
… …
446 752
447############################################################################# 753#############################################################################
448 754
449=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
450 756
451Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
452attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
454 760
455In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
456C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 763Deliantra).
458 764
459=over 4 765=over 4
460 766
461=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
462 768
… …
506=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
507 813
508Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
510 816
511Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
512that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
513 819
514These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
515 821
516=over 4 822=over 4
… …
664 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
665 } 971 }
666 972
667 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
668 } else { 974 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 976 }
671 977
672 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
673} 979}
674 980
… …
714 "; 1020 ";
715 die if $@; 1021 die if $@;
716} 1022}
717 1023
718our $override; 1024our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1026
721sub override { 1027sub override {
722 $override = 1; 1028 $override = 1;
723 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
724} 1030}
725 1031
726sub do_invoke { 1032sub do_invoke {
727 my $event = shift; 1033 my $event = shift;
728 my $callbacks = shift; 1034 my $callbacks = shift;
729 1035
730 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
731 1037
732 local $override; 1038 local $override;
733 1039
734 for (@$callbacks) { 1040 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
744 } 1050 }
745 1051
746 0 1052 0
747} 1053}
748 1054
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1056
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1058
753Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
754 1060
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1064
759=back 1065=back
760 1066
761=cut 1067=cut
762 1068
763############################################################################# 1069#############################################################################
764# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
765 1113
766sub reattach { 1114sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1116 my ($obj) = @_;
769 1117
1118 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1120
772 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
773 1122
774 @$registry = (); 1123 @$registry = ();
775 1124
… …
790cf::attachable->attach ( 1139cf::attachable->attach (
791 prio => -1000000, 1140 prio => -1000000,
792 on_instantiate => sub { 1141 on_instantiate => sub {
793 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
794 1143
795 $data = from_json $data; 1144 $data = decode_json $data;
796 1145
797 for (@$data) { 1146 for (@$data) {
798 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
799 1148
800 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1165sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
818 1167
819 sync_job { 1168 sync_job {
820 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
823 1173
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 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;
1179 aio_fsync $fh;
1180 }
828 close $fh; 1181 aio_close $fh;
829 1182
830 if (@$objs) { 1183 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 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;
1190 aio_fsync $fh;
1191 }
836 close $fh; 1192 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
838 } 1194 }
839 } else { 1195 } else {
840 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
841 } 1197 }
842 1198
843 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1203 } else {
845 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
846 } 1205 }
847 } else { 1206 } else {
848 aio_unlink $filename; 1207 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
850 } 1209 }
851 } 1210 };
852} 1211}
853 1212
854sub object_freezer_as_string { 1213sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
856 1215
… …
868 or return; 1227 or return;
869 1228
870 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
872 or return; 1231 or return;
1232
873 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
874 } 1235 }
875 1236
1237 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
878 return ($data, $av); 1241 ($data, $av)
879} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
880 1249
881############################################################################# 1250#############################################################################
882# command handling &c 1251# command handling &c
883 1252
884=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1267}
899 1268
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1270
902Register a callbackf ro execution when the client sends an extcmd packet. 1271Register a callback for execution when the client sends an (synchronous)
1272extcmd packet. Ext commands will be processed in the order they are
1273received by the server, like other user commands. The first argument is
1274the logged-in player. Ext commands can only be processed after a player
1275has logged in successfully.
903 1276
904If the callback returns something, it is sent back as if reply was being 1277If the callback returns something, it is sent back as if reply was being
905called. 1278called.
906 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
907=cut 1291=cut
908 1292
909sub register_extcmd { 1293sub register_extcmd {
910 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
911 1295
912 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
913} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
914 1306
915cf::player->attach ( 1307cf::player->attach (
916 on_command => sub { 1308 on_command => sub {
917 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
918 1310
… …
926 cf::override; 1318 cf::override;
927 }, 1319 },
928 on_extcmd => sub { 1320 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
930 1322
931 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1324
933 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
939 } else { 1340 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1342 }
942 1343
943 cf::override; 1344 cf::override;
944 }, 1345 },
945); 1346);
946 1347
1348# "readahead" all extensions
947sub load_extension { 1349sub cache_extensions {
948 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
949 1351
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1355 }
975 die $@;
976 } 1356 };
977 1357
978 push @EXTS, $pkg; 1358 $grp
979} 1359}
980 1360
981sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
982 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1366 next unless -r $path;
984 eval { 1367
985 load_extension $ext; 1368 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1369 my $base = $1;
1370 my $pkg = $1;
1371 $pkg =~ s/[^[:word:]]/_/g;
1372 $pkg = "ext::$pkg";
1373
1374 open my $fh, "<:utf8", $path
1375 or die "$path: $!";
1376
1377 my $source = do { local $/; <$fh> };
1378
1379 my %ext = (
1380 path => $path,
1381 base => $base,
1382 pkg => $pkg,
1383 );
1384
1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1387
1388 $ext{source} =
1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1390 . "#line 1 \"$path\"\n{\n"
1391 . $source
1392 . "\n};\n1";
1393
1394 $todo{$base} = \%ext;
1395 }
1396
1397 my %done;
1398 while (%todo) {
1399 my $progress;
1400
1401 while (my ($k, $v) = each %todo) {
1402 for (split /,\s*/, $v->{meta}{depends}) {
1403 goto skip
1404 unless exists $done{$_};
1405 }
1406
1407 warn "... loading '$k' into '$v->{pkg}'\n";
1408
1409 unless (eval $v->{source}) {
1410 my $msg = $@ ? "$v->{path}: $@\n"
1411 : "$v->{base}: extension inactive.\n";
1412
1413 if (exists $v->{meta}{mandatory}) {
1414 warn $msg;
1415 cf::cleanup "mandatory extension failed to load, exiting.";
1416 }
1417
1418 warn $msg;
1419 }
1420
1421 $done{$k} = delete $todo{$k};
1422 push @EXTS, $v->{pkg};
1423 $progress = 1;
986 1 1424 }
987 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
988 } 1430 };
989} 1431}
990 1432
991############################################################################# 1433#############################################################################
992 1434
1435=back
1436
993=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
994 1438
995Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
996 1440
997=cut 1441=cut
998 1442
999package cf::player; 1443package cf::player;
1000 1444
1001use Coro::AIO; 1445use Coro::AIO;
1002 1446
1003=head3 cf::player 1447=head3 cf::player
1004 1448
1005=over 4 1449=over 4
1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1006 1464
1007=item cf::player::find $login 1465=item cf::player::find $login
1008 1466
1009Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
1010 1468
… …
1029 1487
1030sub exists($) { 1488sub exists($) {
1031 my ($login) = @_; 1489 my ($login) = @_;
1032 1490
1033 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1035} 1493}
1036 1494
1037sub find($) { 1495sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1497 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1508
1051 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1054 } 1518 }
1055 } 1519 }
1056} 1520}
1057 1521
… …
1066 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1067 1531
1068 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1070 1534
1535 cf::get_slot 0.01;
1536
1071 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1072 Coro::cede; 1538 cf::cede_to_tick;
1073} 1539}
1074 1540
1075sub new($) { 1541sub new($) {
1076 my ($login) = @_; 1542 my ($login) = @_;
1077 1543
… …
1083 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1084 1550
1085 $self 1551 $self
1086} 1552}
1087 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1088=item $pl->quit_character 1564=item $pl->quit_character
1089 1565
1090Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1092 1568
… …
1096 my ($pl) = @_; 1572 my ($pl) = @_;
1097 1573
1098 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1099 1575
1100 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1578
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1107 1585
1108 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1623 or return [];
1146 1624
1147 my @logins; 1625 my @logins;
1148 1626
1149 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1153 1637
1154 utf8::decode $login; 1638 utf8::decode $login;
1155 push @logins, $login; 1639 push @logins, $login;
1156 } 1640 }
1157 1641
… …
1184 } 1668 }
1185 1669
1186 \@paths 1670 \@paths
1187} 1671}
1188 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1189=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1190 1678
1191Sends an ext reply to the player. 1679Sends an ext reply to the player.
1192 1680
1193=cut 1681=cut
1194 1682
1195sub ext_reply($$%) { 1683sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1197 1685
1198 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1687}
1202 1688
1203=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1204 1690
1205Sends an ext event to the client. 1691Sends an ext event to the client.
1206 1692
1207=cut 1693=cut
1208 1694
1209sub ext_event($$%) { 1695sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1211 1697
1212 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1213} 1699}
1214 1700
1215=head3 cf::region 1701=head3 cf::region
1216 1702
1217=over 4 1703=over 4
… …
1220 1706
1221package cf::region; 1707package cf::region;
1222 1708
1223=item cf::region::find_by_path $path 1709=item cf::region::find_by_path $path
1224 1710
1225Tries to decuce the probable region for a map knowing only its path. 1711Tries to decuce the likely region for a map knowing only its path.
1226 1712
1227=cut 1713=cut
1228 1714
1229sub find_by_path($) { 1715sub find_by_path($) {
1230 my ($path) = @_; 1716 my ($path) = @_;
1231 1717
1232 my ($match, $specificity); 1718 my ($match, $specificity);
1233 1719
1234 for my $region (list) { 1720 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1238 } 1724 }
1239 } 1725 }
1240 1726
… …
1261our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1263 1749
1264sub generate_random_map { 1750sub generate_random_map {
1265 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754
1266 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1756 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1305 1794
1306 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1307 local $self->{path}; 1796 local $self->{path};
1308 local $self->{load_path}; 1797 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1798
1312 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1313} 1800}
1314 1801
1315sub normalise { 1802sub normalise {
… …
1362 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1363 return $self; 1850 return $self;
1364 } 1851 }
1365 } 1852 }
1366 1853
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1855 ()
1369} 1856}
1370 1857
1371sub init { 1858sub init {
1372 my ($self) = @_; 1859 my ($self) = @_;
… …
1394 1881
1395# the temporary/swap location 1882# the temporary/swap location
1396sub save_path { 1883sub save_path {
1397 my ($self) = @_; 1884 my ($self) = @_;
1398 1885
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1401} 1888}
1402 1889
1403# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1404sub uniq_path { 1891sub uniq_path {
1405 my ($self) = @_; 1892 my ($self) = @_;
1406 1893
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1409} 1896}
1410 1897
1411# and all this just because we cannot iterate over 1898sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1899 my ($self) = @_;
1415 1900
1416 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1418} 1904}
1419 1905
1420sub unlink_save { 1906sub unlink_save {
1421 my ($self) = @_; 1907 my ($self) = @_;
1422 1908
… …
1427 1913
1428sub load_header_from($) { 1914sub load_header_from($) {
1429 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1430 1916
1431 utf8::encode $path; 1917 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1919 or return;
1920
1921 $self->_load_header ($f)
1922 or return;
1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1437 1926
1438 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1439 1928
1440 1 1929 1
1441} 1930}
… …
1480 $self->load_header_orig 1969 $self->load_header_orig
1481 or return; 1970 or return;
1482 $self->prepare_orig; 1971 $self->prepare_orig;
1483 } 1972 }
1484 1973
1974 $self->{deny_reset} = 1
1975 if $self->no_reset;
1976
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1977 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1978 unless $self->default_region;
1487 1979
1488 1 1980 1
1489} 1981}
… …
1492sub find { 1984sub find {
1493 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1494 1986
1495 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1496 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1991
1499 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1502 or return; 1994 or return;
1503 1995
1504 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1505 1997
1506 $map->load_header 1998 $map->load_header
1507 or return; 1999 or return;
1508 2000
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1512 $map->reset; 2006 $map->reset;
1513 undef $guard;
1514 return find $path; 2007 return find $path;
1515 } 2008 }
1516 2009
1517 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1518 } 2011 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1528 2021
1529 my $path = $self->{path}; 2022 my $path = $self->{path};
1530 2023
1531 { 2024 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1533 2026
2027 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2029
1536 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1537 2031
1538 $self->alloc; 2032 $self->alloc;
1539 2033
1540 $self->pre_load; 2034 $self->pre_load;
1541 Coro::cede; 2035 cf::cede_to_tick;
1542 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1544 or return; 2040 or return;
1545 2041
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1547 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1548 2044
1549 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2046 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2049 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1554 } 2053 }
1555 } 2054 }
1556 2055
1557 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1558 # now do the right thing for maps 2059 # now do the right thing for maps
1559 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2062 unless $self->difficulty;
1562 Coro::cede; 2063 cf::cede_to_tick;
1563 2064
1564 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2066 $self->decay_objects;
1566 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1567 $self->update_buttons; 2068 $self->update_buttons;
1568 Coro::cede; 2069 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2070 $self->activate;
1572 } 2071 }
1573 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2077 }
1576 2078
1577 $self->post_load; 2079 $self->post_load;
1578} 2080}
1579 2081
… …
1581 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1582 2084
1583 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2086 if $self->per_player;
1585 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1586 $self 2091 $self
1587} 2092}
1588 2093
1589# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2095sub load_neighbours {
1591 my ($map) = @_; 2096 my ($map) = @_;
1592 2097
1593 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1594 2099
1595 for (0 .. 3) { 2100 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1597 or next; 2102 or next;
1598 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1599 or next; 2104 or next;
1600 $neigh->load; 2105 $neigh->load;
1601 2106
2107 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2110 }
1605 2111
1606 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1608 or next; 2115 or next;
1609 $neigh->load; 2116 $neigh->load;
1610 } 2117 }
1611} 2118}
1612 2119
… …
1617} 2124}
1618 2125
1619sub do_load_sync { 2126sub do_load_sync {
1620 my ($map) = @_; 2127 my ($map) = @_;
1621 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1622 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1623} 2133}
1624 2134
1625our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1627 2137
1628sub find_async { 2138sub find_async {
1629 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1630 2140
1631 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1632 2142
1633 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2145 }
1636 2146
1637 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1638 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1639 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2154 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2155 $map->load if $v;
2156 }
1644 2157
1645 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1646 } 2159 }
1647 } 2160 }
1648 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1649 }; 2162 };
1650 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1653} 2166}
1654 2167
1655sub save { 2168sub save {
1656 my ($self) = @_; 2169 my ($self) = @_;
1657 2170
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2172
1660 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1661 2174
1662 return unless $self->dirty; 2175 return unless $self->dirty;
1663 2176
… …
1669 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1670 2183
1671 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1672 2185
1673 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1675 }; 2189 };
2190
2191 cf::get_slot 0.02;
1676 2192
1677 if ($uniq) { 2193 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2196 } else {
… …
1686 my ($self) = @_; 2202 my ($self) = @_;
1687 2203
1688 # save first because save cedes 2204 # save first because save cedes
1689 $self->save; 2205 $self->save;
1690 2206
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2208
1693 return if $self->players; 2209 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1696 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2217 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2218}
1700 2219
1701sub reset_at { 2220sub reset_at {
1702 my ($self) = @_; 2221 my ($self) = @_;
1703 2222
1704 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1707 2225
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2228
… …
1721 my ($self) = @_; 2239 my ($self) = @_;
1722 2240
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2242
1725 return if $self->players; 2243 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2244
1728 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
1729 2246
1730 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1731 2248
1732 # need to save uniques path 2249 # need to save uniques path
1733 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2254 if $uniq;
1738 } 2255 }
1739 2256
1740 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1741 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2261 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2262
1746 $self->unlink_save; 2263 $self->unlink_save;
1747 $self->destroy; 2264 $self->destroy;
1748} 2265}
1749 2266
1750my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1751 2268
1752sub nuke { 2269sub nuke {
1753 my ($self) = @_; 2270 my ($self) = @_;
1754 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1755 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1756 2276
1757 $self->unlink_save; 2277 $self->unlink_save;
1758 2278
1759 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2284
1765 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1766 2287
1767 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
2289}
2290
2291=item $maps = cf::map::tmp_maps
2292
2293Returns an arrayref with all map paths of currently instantiated and saved
2294maps. May block.
2295
2296=cut
2297
2298sub tmp_maps() {
2299 [
2300 map {
2301 utf8::decode $_;
2302 /\.map$/
2303 ? normalise $_
2304 : ()
2305 } @{ aio_readdir $TMPDIR or [] }
2306 ]
2307}
2308
2309=item $maps = cf::map::random_maps
2310
2311Returns an arrayref with all map paths of currently instantiated and saved
2312random maps. May block.
2313
2314=cut
2315
2316sub random_maps() {
2317 [
2318 map {
2319 utf8::decode $_;
2320 /\.map$/
2321 ? normalise "?random/$_"
2322 : ()
2323 } @{ aio_readdir $RANDOMDIR or [] }
2324 ]
1768} 2325}
1769 2326
1770=item cf::map::unique_maps 2327=item cf::map::unique_maps
1771 2328
1772Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2330instantiated unique items. May block.
1774 2331
1775=cut 2332=cut
1776 2333
1777sub unique_maps() { 2334sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2335 [
1779 or return; 2336 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2337 utf8::decode $_;
1785 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2340 ? ()
1788 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2343 ]
1790
1791 \@paths
1792} 2344}
1793 2345
1794package cf; 2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory). May block.
2350
2351=cut
2352
2353sub static_maps() {
2354 my @dirs = "";
2355 my @maps;
2356
2357 while (@dirs) {
2358 my $dir = shift @dirs;
2359
2360 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2361 or return;
2362
2363 for (@$files) {
2364 s/\.map$// or next;
2365 utf8::decode $_;
2366 push @maps, "$dir/$_";
2367 }
2368
2369 push @dirs, map "$dir/$_", @$dirs;
2370 }
2371
2372 \@maps
2373}
1795 2374
1796=back 2375=back
1797 2376
1798=head3 cf::object 2377=head3 cf::object
1799 2378
… …
1803 2382
1804=over 4 2383=over 4
1805 2384
1806=item $ob->inv_recursive 2385=item $ob->inv_recursive
1807 2386
1808Returns the inventory of the object _and_ their inventories, recursively. 2387Returns the inventory of the object I<and> their inventories, recursively,
2388but I<not> the object itself.
1809 2389
1810=cut 2390=cut
1811 2391
1812sub inv_recursive_; 2392sub inv_recursive_;
1813sub inv_recursive_ { 2393sub inv_recursive_ {
… …
1816 2396
1817sub inv_recursive { 2397sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2398 inv_recursive_ inv $_[0]
1819} 2399}
1820 2400
2401=item $ref = $ob->ref
2402
2403Creates and returns a persistent reference to an object that can be stored as a string.
2404
2405=item $ob = cf::object::deref ($refstring)
2406
2407returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2408even if the object actually exists. May block.
2409
2410=cut
2411
2412sub deref {
2413 my ($ref) = @_;
2414
2415 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2416 my ($uuid, $name) = ($1, $2);
2417 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2418 or return;
2419 $pl->ob->uuid eq $uuid
2420 or return;
2421
2422 $pl->ob
2423 } else {
2424 warn "$ref: cannot resolve object reference\n";
2425 undef
2426 }
2427}
2428
1821package cf; 2429package cf;
1822 2430
1823=back 2431=back
1824 2432
1825=head3 cf::object::player 2433=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2439Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2440can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2441dialogue with the given NPC character.
1834 2442
1835=cut 2443=cut
2444
2445our $SAY_CHANNEL = {
2446 id => "say",
2447 title => "Map",
2448 reply => "say ",
2449 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2450};
2451
2452our $CHAT_CHANNEL = {
2453 id => "chat",
2454 title => "Chat",
2455 reply => "chat ",
2456 tooltip => "Player chat and shouts, global to the server.",
2457};
1836 2458
1837# rough implementation of a future "reply" method that works 2459# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2460# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2461#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2462sub cf::object::player::reply($$$;$) {
… …
1842 2464
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2465 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2466
1845 if ($self->{record_replies}) { 2467 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2468 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2469
1847 } else { 2470 } else {
2471 my $pl = $self->contr;
2472
2473 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2474 my $dialog = $pl->{npc_dialog};
2475 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2476
2477 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2478 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2479 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2480 }
1850 } 2481 }
2482}
2483
2484=item $object->send_msg ($channel, $msg, $color, [extra...])
2485
2486=cut
2487
2488sub cf::object::send_msg {
2489 my $pl = shift->contr
2490 or return;
2491 $pl->send_msg (@_);
1851} 2492}
1852 2493
1853=item $player_object->may ("access") 2494=item $player_object->may ("access")
1854 2495
1855Returns wether the given player is authorized to access resource "access" 2496Returns wether the given player is authorized to access resource "access"
… …
1868 2509
1869=item $player_object->enter_link 2510=item $player_object->enter_link
1870 2511
1871Freezes the player and moves him/her to a special map (C<{link}>). 2512Freezes the player and moves him/her to a special map (C<{link}>).
1872 2513
1873The player should be reasonably safe there for short amounts of time. You 2514The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2515for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2516though, as the palyer cannot control the character while it is on the link
2517map.
1875 2518
1876Will never block. 2519Will never block.
1877 2520
1878=item $player_object->leave_link ($map, $x, $y) 2521=item $player_object->leave_link ($map, $x, $y)
1879 2522
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2577 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2578 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2579 if $x <=0 && $y <= 0;
1937 2580
1938 $map->load; 2581 $map->load;
1939 $map->load_diag; 2582 $map->load_neighbours;
1940 2583
1941 return unless $self->contr->active; 2584 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2585
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2586 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2587 $self->enter_map ($map, $x, $y);
1946}
1947 2588
2589 # only activate afterwards, to support waiting in hooks
2590 $self->activate_recursive;
2591}
2592
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2593=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2594
1950Moves the player to the given map-path and coordinates by first freezing 2595Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2596her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2597that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2598the new (success) or old (failed) map position. In either case, $done will
2599be called at the end of this process.
2600
2601Note that $check will be called with a potentially non-loaded map, so if
2602it needs a loaded map it has to call C<< ->load >>.
1954 2603
1955=cut 2604=cut
1956 2605
1957our $GOTOGEN; 2606our $GOTOGEN;
1958 2607
1959sub cf::object::player::goto { 2608sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2609 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2610
1962 # do generation counting so two concurrent goto's will be executed in-order 2611 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2612 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2613
1965 $self->enter_link; 2614 $self->enter_link;
1966 2615
1967 (async { 2616 (async {
2617 $Coro::current->{desc} = "player::goto $path $x $y";
2618
2619 # *tag paths override both path and x|y
2620 if ($path =~ /^\*(.*)$/) {
2621 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2622 my $ob = $obs[rand @obs];
2623
2624 # see if we actually can go there
2625 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2626 $ob = $obs[rand @obs];
2627 } else {
2628 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2629 }
2630 # else put us there anyways for now #d#
2631
2632 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2633 } else {
2634 ($path, $x, $y) = (undef, undef, undef);
2635 }
2636 }
2637
1968 my $map = eval { 2638 my $map = eval {
1969 my $map = cf::map::find $path; 2639 my $map = defined $path ? cf::map::find $path : undef;
1970 2640
1971 if ($map) { 2641 if ($map) {
1972 $map = $map->customise_for ($self); 2642 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2643 $map = $check->($map) if $check && $map;
1974 } else { 2644 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2645 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2646 }
1977 2647
1978 $map 2648 $map
1979 }; 2649 };
1980 2650
… …
1985 2655
1986 if ($gen == $self->{_goto_generation}) { 2656 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2657 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2658 $self->leave_link ($map, $x, $y);
1989 } 2659 }
2660
2661 $done->() if $done;
1990 })->prio (1); 2662 })->prio (1);
1991} 2663}
1992 2664
1993=item $player_object->enter_exit ($exit_object) 2665=item $player_object->enter_exit ($exit_object)
1994 2666
… …
2014} 2686}
2015 2687
2016sub prepare_random_map { 2688sub prepare_random_map {
2017 my ($exit) = @_; 2689 my ($exit) = @_;
2018 2690
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2691 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2692 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2693 # that depends on the exit object
2024 2694
2025 my $rmp = parse_random_map_params $exit->msg; 2695 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2697 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2698 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2699 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2700 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2701 $rmp->{origin_y} = $exit->y;
2702
2703 $exit->map->touch;
2032 } 2704 }
2033 2705
2034 $rmp->{random_seed} ||= $exit->random_seed; 2706 $rmp->{random_seed} ||= $exit->random_seed;
2035 2707
2036 my $data = cf::to_json $rmp; 2708 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2709 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2710 my $meta = "$RANDOMDIR/$md5.meta";
2039 2711
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2712 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2713 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2714 undef $fh;
2043 aio_rename "$meta~", $meta; 2715 aio_rename "$meta~", $meta;
2044 2716
2717 my $slaying = "?random/$md5";
2718
2719 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2720 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2721 $exit->msg (undef);
2722 }
2047 } 2723 }
2048} 2724}
2049 2725
2050sub cf::object::player::enter_exit { 2726sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2727 my ($self, $exit) = @_;
2052 2728
2053 return unless $self->type == cf::PLAYER; 2729 return unless $self->type == cf::PLAYER;
2054 2730
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2731 $self->enter_link;
2067 2732
2068 (async { 2733 (async {
2069 $self->deactivate_recursive; # just to be sure 2734 $Coro::current->{desc} = "enter_exit";
2735
2070 unless (eval { 2736 unless (eval {
2737 $self->deactivate_recursive; # just to be sure
2738
2739 # random map handling
2740 {
2741 my $guard = cf::lock_acquire "exit_prepare:$exit";
2742
2743 prepare_random_map $exit
2744 if $exit->slaying eq "/!";
2745 }
2746
2747 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2748 my $x = $exit->stats->hp;
2749 my $y = $exit->stats->sp;
2750
2071 $self->goto ($slaying, $hp, $sp); 2751 $self->goto ($map, $x, $y);
2072 2752
2753 # if exit is damned, update players death & WoR home-position
2754 $self->contr->savebed ($map, $x, $y)
2755 if $exit->flag (cf::FLAG_DAMNED);
2756
2073 1; 2757 1
2074 }) { 2758 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2759 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "I'll try to bring you back to the map you were before. " 2760 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2761 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2762 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2763
2080 warn "ERROR in enter_exit: $@"; 2764 warn "ERROR in enter_exit: $@";
… …
2099 2783
2100 utf8::encode $text; 2784 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2785 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2786}
2103 2787
2788=item $client->send_msg ($channel, $msg, $color, [extra...])
2789
2790Send a drawinfo or msg packet to the client, formatting the msg for the
2791client if neccessary. C<$type> should be a string identifying the type of
2792the message, with C<log> being the default. If C<$color> is negative, suppress
2793the message unless the client supports the msg packet.
2794
2795=cut
2796
2797# non-persistent channels (usually the info channel)
2798our %CHANNEL = (
2799 "c/motd" => {
2800 id => "infobox",
2801 title => "MOTD",
2802 reply => undef,
2803 tooltip => "The message of the day",
2804 },
2805 "c/identify" => {
2806 id => "infobox",
2807 title => "Identify",
2808 reply => undef,
2809 tooltip => "Items recently identified",
2810 },
2811 "c/examine" => {
2812 id => "infobox",
2813 title => "Examine",
2814 reply => undef,
2815 tooltip => "Signs and other items you examined",
2816 },
2817 "c/shopinfo" => {
2818 id => "infobox",
2819 title => "Shop Info",
2820 reply => undef,
2821 tooltip => "What your bargaining skill tells you about the shop",
2822 },
2823 "c/book" => {
2824 id => "infobox",
2825 title => "Book",
2826 reply => undef,
2827 tooltip => "The contents of a note or book",
2828 },
2829 "c/lookat" => {
2830 id => "infobox",
2831 title => "Look",
2832 reply => undef,
2833 tooltip => "What you saw there",
2834 },
2835 "c/who" => {
2836 id => "infobox",
2837 title => "Players",
2838 reply => undef,
2839 tooltip => "Shows players who are currently online",
2840 },
2841 "c/body" => {
2842 id => "infobox",
2843 title => "Body Parts",
2844 reply => undef,
2845 tooltip => "Shows which body parts you posess and are available",
2846 },
2847 "c/statistics" => {
2848 id => "infobox",
2849 title => "Statistics",
2850 reply => undef,
2851 tooltip => "Shows your primary statistics",
2852 },
2853 "c/skills" => {
2854 id => "infobox",
2855 title => "Skills",
2856 reply => undef,
2857 tooltip => "Shows your experience per skill and item power",
2858 },
2859 "c/shopitems" => {
2860 id => "infobox",
2861 title => "Shop Items",
2862 reply => undef,
2863 tooltip => "Shows the items currently for sale in this shop",
2864 },
2865 "c/resistances" => {
2866 id => "infobox",
2867 title => "Resistances",
2868 reply => undef,
2869 tooltip => "Shows your resistances",
2870 },
2871 "c/pets" => {
2872 id => "infobox",
2873 title => "Pets",
2874 reply => undef,
2875 tooltip => "Shows information abotu your pets/a specific pet",
2876 },
2877 "c/perceiveself" => {
2878 id => "infobox",
2879 title => "Perceive Self",
2880 reply => undef,
2881 tooltip => "You gained detailed knowledge about yourself",
2882 },
2883 "c/uptime" => {
2884 id => "infobox",
2885 title => "Uptime",
2886 reply => undef,
2887 tooltip => "How long the server has been running since last restart",
2888 },
2889 "c/mapinfo" => {
2890 id => "infobox",
2891 title => "Map Info",
2892 reply => undef,
2893 tooltip => "Information related to the maps",
2894 },
2895 "c/party" => {
2896 id => "party",
2897 title => "Party",
2898 reply => "gsay ",
2899 tooltip => "Messages and chat related to your party",
2900 },
2901 "c/death" => {
2902 id => "death",
2903 title => "Death",
2904 reply => undef,
2905 tooltip => "Reason for and more info about your most recent death",
2906 },
2907 "c/say" => $SAY_CHANNEL,
2908 "c/chat" => $CHAT_CHANNEL,
2909);
2910
2911sub cf::client::send_msg {
2912 my ($self, $channel, $msg, $color, @extra) = @_;
2913
2914 $msg = $self->pl->expand_cfpod ($msg)
2915 unless $color & cf::NDI_VERBATIM;
2916
2917 $color &= cf::NDI_CLIENT_MASK; # just in case...
2918
2919 # check predefined channels, for the benefit of C
2920 if ($CHANNEL{$channel}) {
2921 $channel = $CHANNEL{$channel};
2922
2923 $self->ext_msg (channel_info => $channel);
2924 $channel = $channel->{id};
2925
2926 } elsif (ref $channel) {
2927 # send meta info to client, if not yet sent
2928 unless (exists $self->{channel}{$channel->{id}}) {
2929 $self->{channel}{$channel->{id}} = $channel;
2930 $self->ext_msg (channel_info => $channel);
2931 }
2932
2933 $channel = $channel->{id};
2934 }
2935
2936 return unless @extra || length $msg;
2937
2938 # default colour, mask it out
2939 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2940 if $color & cf::NDI_DEF;
2941
2942 my $pkt = "msg "
2943 . $self->{json_coder}->encode (
2944 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2945 );
2946
2947 # try lzf for large packets
2948 $pkt = "lzf " . Compress::LZF::compress $pkt
2949 if 1024 <= length $pkt and $self->{can_lzf};
2950
2951 # split very large packets
2952 if (8192 < length $pkt and $self->{can_lzf}) {
2953 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2954 $pkt = "frag";
2955 }
2956
2957 $self->send_packet ($pkt);
2958}
2959
2104=item $client->ext_event ($type, %msg) 2960=item $client->ext_msg ($type, @msg)
2105 2961
2106Sends an exti event to the client. 2962Sends an ext event to the client.
2107 2963
2108=cut 2964=cut
2109 2965
2110sub cf::client::ext_event($$%) { 2966sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2967 my ($self, $type, @msg) = @_;
2112 2968
2969 if ($self->extcmd == 2) {
2970 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2971 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2972 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2973 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2974 }
2975}
2976
2977=item $client->ext_reply ($msgid, @msg)
2978
2979Sends an ext reply to the client.
2980
2981=cut
2982
2983sub cf::client::ext_reply($$@) {
2984 my ($self, $id, @msg) = @_;
2985
2986 if ($self->extcmd == 2) {
2987 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2988 } elsif ($self->extcmd == 1) {
2989 #TODO: version 1, remove
2990 unshift @msg, msgtype => "reply", msgid => $id;
2991 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2992 }
2115} 2993}
2116 2994
2117=item $success = $client->query ($flags, "text", \&cb) 2995=item $success = $client->query ($flags, "text", \&cb)
2118 2996
2119Queues a query to the client, calling the given callback with 2997Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2998the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2999C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 3000
2123Queries can fail, so check the return code. Or don't, as queries will become 3001Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 3002become reliable at some point in the future.
2125 3003
2126=cut 3004=cut
2127 3005
2128sub cf::client::query { 3006sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 3007 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 3015 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3016 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 3017
2140 $self->send_packet ($self->{query_queue}[0][0]) 3018 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 3019 if @{ $self->{query_queue} } == 1;
3020
3021 1
2142} 3022}
2143 3023
2144cf::client->attach ( 3024cf::client->attach (
3025 on_connect => sub {
3026 my ($ns) = @_;
3027
3028 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3029 },
2145 on_reply => sub { 3030 on_reply => sub {
2146 my ($ns, $msg) = @_; 3031 my ($ns, $msg) = @_;
2147 3032
2148 # this weird shuffling is so that direct followup queries 3033 # this weird shuffling is so that direct followup queries
2149 # get handled first 3034 # get handled first
… …
2161 } else { 3046 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3047 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3048 }
2164 } 3049 }
2165 }, 3050 },
3051 on_exticmd => sub {
3052 my ($ns, $buf) = @_;
3053
3054 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3055
3056 if (ref $msg) {
3057 my ($type, $reply, @payload) =
3058 "ARRAY" eq ref $msg
3059 ? @$msg
3060 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3061
3062 my @reply;
3063
3064 if (my $cb = $EXTICMD{$type}) {
3065 @reply = $cb->($ns, @payload);
3066 }
3067
3068 $ns->ext_reply ($reply, @reply)
3069 if $reply;
3070
3071 } else {
3072 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3073 }
3074
3075 cf::override;
3076 },
2166); 3077);
2167 3078
2168=item $client->async (\&cb) 3079=item $client->async (\&cb)
2169 3080
2170Create a new coroutine, running the specified callback. The coroutine will 3081Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3122our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3123our $safe_hole = new Safe::Hole;
2213 3124
2214$SIG{FPE} = 'IGNORE'; 3125$SIG{FPE} = 'IGNORE';
2215 3126
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3127$safe->permit_only (Opcode::opset qw(
3128 :base_core :base_mem :base_orig :base_math
3129 grepstart grepwhile mapstart mapwhile
3130 sort time
3131));
2217 3132
2218# here we export the classes and methods available to script code 3133# here we export the classes and methods available to script code
2219 3134
2220=pod 3135=pod
2221 3136
2222The following functions and methods are available within a safe environment: 3137The following functions and methods are available within a safe environment:
2223 3138
2224 cf::object contr pay_amount pay_player map 3139 cf::object
3140 contr pay_amount pay_player map x y force_find force_add destroy
3141 insert remove name archname title slaying race decrease split
3142 value
3143
2225 cf::object::player player 3144 cf::object::player
2226 cf::player peaceful 3145 player
2227 cf::map trigger 3146
3147 cf::player
3148 peaceful
3149
3150 cf::map
3151 trigger
2228 3152
2229=cut 3153=cut
2230 3154
2231for ( 3155for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3156 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3157 insert remove inv nrof name archname title slaying race
3158 decrease split destroy change_exp value msg lore send_msg)],
2233 ["cf::object::player" => qw(player)], 3159 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3160 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3161 ["cf::map" => qw(trigger)],
2236) { 3162) {
2237 no strict 'refs'; 3163 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3164 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3165 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2256 my ($code, %vars) = @_; 3182 my ($code, %vars) = @_;
2257 3183
2258 my $qcode = $code; 3184 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3185 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3186 $qcode =~ s/\n/\\n/g;
3187
3188 %vars = (_dummy => 0) unless %vars;
2261 3189
2262 local $_; 3190 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars; 3191 local @safe::cf::_safe_eval_args = values %vars;
2264 3192
2265 my $eval = 3193 my $eval =
… …
2308=back 3236=back
2309 3237
2310=cut 3238=cut
2311 3239
2312############################################################################# 3240#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3241# the server's init and main functions
2486 3242
2487sub load_facedata($) { 3243sub load_facedata($) {
2488 my ($path) = @_; 3244 my ($path) = @_;
3245
3246 # HACK to clear player env face cache, we need some signal framework
3247 # for this (global event?)
3248 %ext::player_env::MUSIC_FACE_CACHE = ();
3249
3250 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3251
2490 warn "loading facedata from $path\n"; 3252 warn "loading facedata from $path\n";
2491 3253
2492 my $facedata; 3254 my $facedata;
2493 0 < aio_load $path, $facedata 3255 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3258 $facedata = Coro::Storable::thaw $facedata;
2497 3259
2498 $facedata->{version} == 2 3260 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3261 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3262
3263 # patch in the exptable
3264 $facedata->{resource}{"res/exp_table"} = {
3265 type => FT_RSRC,
3266 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3267 };
3268 cf::cede_to_tick;
3269
2501 { 3270 {
2502 my $faces = $facedata->{faceinfo}; 3271 my $faces = $facedata->{faceinfo};
2503 3272
2504 while (my ($face, $info) = each %$faces) { 3273 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3274 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3275
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3276 cf::face::set_visibility $idx, $info->{visibility};
3277 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3278 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3279 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3280
3281 cf::cede_to_tick;
2510 } 3282 }
2511 3283
2512 while (my ($face, $info) = each %$faces) { 3284 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3285 next unless $info->{smooth};
3286
2514 my $idx = cf::face::find $face 3287 my $idx = cf::face::find $face
2515 or next; 3288 or next;
3289
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3290 if (my $smooth = cf::face::find $info->{smooth}) {
3291 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3292 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3293 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3294 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3295 }
2521 Coro::cede; 3296
3297 cf::cede_to_tick;
2522 } 3298 }
2523 } 3299 }
2524 3300
2525 { 3301 {
2526 my $anims = $facedata->{animinfo}; 3302 my $anims = $facedata->{animinfo};
2527 3303
2528 while (my ($anim, $info) = each %$anims) { 3304 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3305 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3306 cf::cede_to_tick;
2531 } 3307 }
2532 3308
2533 cf::anim::invalidate_all; # d'oh 3309 cf::anim::invalidate_all; # d'oh
2534 } 3310 }
2535 3311
3312 {
3313 # TODO: for gcfclient pleasure, we should give resources
3314 # that gcfclient doesn't grok a >10000 face index.
3315 my $res = $facedata->{resource};
3316
3317 while (my ($name, $info) = each %$res) {
3318 if (defined $info->{type}) {
3319 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3320 my $data;
3321
3322 if ($info->{type} & 1) {
3323 # prepend meta info
3324
3325 my $meta = $enc->encode ({
3326 name => $name,
3327 %{ $info->{meta} || {} },
3328 });
3329
3330 $data = pack "(w/a*)*", $meta, $info->{data};
3331 } else {
3332 $data = $info->{data};
3333 }
3334
3335 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3336 cf::face::set_type $idx, $info->{type};
3337 } else {
3338 $RESOURCE{$name} = $info;
3339 }
3340
3341 cf::cede_to_tick;
3342 }
3343 }
3344
3345 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3346
2536 1 3347 1
2537} 3348}
2538 3349
3350cf::global->attach (on_resource_update => sub {
3351 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3352 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3353
3354 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3355 my $sound = $soundconf->{compat}[$_]
3356 or next;
3357
3358 my $face = cf::face::find "sound/$sound->[1]";
3359 cf::sound::set $sound->[0] => $face;
3360 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3361 }
3362
3363 while (my ($k, $v) = each %{$soundconf->{event}}) {
3364 my $face = cf::face::find "sound/$v";
3365 cf::sound::set $k => $face;
3366 }
3367 }
3368});
3369
3370register_exticmd fx_want => sub {
3371 my ($ns, $want) = @_;
3372
3373 while (my ($k, $v) = each %$want) {
3374 $ns->fx_want ($k, $v);
3375 }
3376};
3377
3378sub load_resource_file($) {
3379 my $guard = lock_acquire "load_resource_file";
3380
3381 my $status = load_resource_file_ $_[0];
3382 get_slot 0.1, 100;
3383 cf::arch::commit_load;
3384
3385 $status
3386}
3387
2539sub reload_regions { 3388sub reload_regions {
3389 # HACK to clear player env face cache, we need some signal framework
3390 # for this (global event?)
3391 %ext::player_env::MUSIC_FACE_CACHE = ();
3392
2540 load_resource_file "$MAPDIR/regions" 3393 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3394 or die "unable to load regions file\n";
3395
3396 for (cf::region::list) {
3397 $_->{match} = qr/$_->{match}/
3398 if exists $_->{match};
3399 }
2542} 3400}
2543 3401
2544sub reload_facedata { 3402sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3403 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3404 or die "unable to load facedata\n";
… …
2557} 3415}
2558 3416
2559sub reload_resources { 3417sub reload_resources {
2560 warn "reloading resource files...\n"; 3418 warn "reloading resource files...\n";
2561 3419
2562 reload_regions;
2563 reload_facedata; 3420 reload_facedata;
2564 reload_archetypes; 3421 reload_archetypes;
3422 reload_regions;
2565 reload_treasures; 3423 reload_treasures;
2566 3424
2567 warn "finished reloading resource files\n"; 3425 warn "finished reloading resource files\n";
2568} 3426}
2569 3427
2570sub init { 3428sub reload_config {
2571 reload_resources; 3429 warn "reloading config file...\n";
2572}
2573 3430
2574sub cfg_load {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3431 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3432 or return;
2577 3433
2578 local $/; 3434 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3435 *CFG = YAML::XS::Load scalar <$fh>;
2580 3436
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3437 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3438
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3439 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3440 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2588 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3444 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2589 and die "WARNING: m(un)lockall failed: $!\n"; 3445 and die "WARNING: m(un)lockall failed: $!\n";
2590 }; 3446 };
2591 warn $@ if $@; 3447 warn $@ if $@;
2592 } 3448 }
3449
3450 warn "finished reloading resource files\n";
3451}
3452
3453sub pidfile() {
3454 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3455 or die "$PIDFILE: $!";
3456 flock $fh, &Fcntl::LOCK_EX
3457 or die "$PIDFILE: flock: $!";
3458 $fh
3459}
3460
3461# make sure only one server instance is running at any one time
3462sub atomic {
3463 my $fh = pidfile;
3464
3465 my $pid = <$fh>;
3466 kill 9, $pid if $pid > 0;
3467
3468 seek $fh, 0, 0;
3469 print $fh $$;
3470}
3471
3472sub main_loop {
3473 warn "EV::loop starting\n";
3474 if (1) {
3475 EV::loop;
3476 }
3477 warn "EV::loop returned\n";
3478 goto &main_loop unless $REALLY_UNLOOP;
2593} 3479}
2594 3480
2595sub main { 3481sub main {
3482 cf::init_globals; # initialise logging
3483
3484 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3485 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3486 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3487 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3488
3489 cf::init_experience;
3490 cf::init_anim;
3491 cf::init_attackmess;
3492 cf::init_dynamic;
3493
3494 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3495
2596 # we must not ever block the main coroutine 3496 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3497 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3498 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3499 (async {
2600 Event::one_event; 3500 $Coro::current->{desc} = "IDLE BUG HANDLER";
3501 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3502 })->prio (Coro::PRIO_MAX);
2602 }; 3503 };
2603 3504
2604 cfg_load; 3505 evthread_start IO::AIO::poll_fileno;
3506
3507 cf::sync_job {
3508 reload_resources;
3509 reload_config;
2605 db_init; 3510 db_init;
3511
3512 cf::load_settings;
3513 cf::load_materials;
3514 cf::init_uuid;
3515 cf::init_signals;
3516 cf::init_commands;
3517 cf::init_skills;
3518
3519 cf::init_beforeplay;
3520
3521 atomic;
3522
2606 load_extensions; 3523 load_extensions;
2607 3524
2608 $TICK_WATCHER->start; 3525 utime time, time, $RUNTIMEFILE;
2609 Event::loop; 3526
3527 # no (long-running) fork's whatsoever before this point(!)
3528 use POSIX ();
3529 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3530
3531 (pop @POST_INIT)->(0) while @POST_INIT;
3532 };
3533
3534 main_loop;
2610} 3535}
2611 3536
2612############################################################################# 3537#############################################################################
2613# initialisation and cleanup 3538# initialisation and cleanup
2614 3539
2615# install some emergency cleanup handlers 3540# install some emergency cleanup handlers
2616BEGIN { 3541BEGIN {
3542 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3543 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3544 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3545 cf::cleanup "SIG$signal";
2625 },
2626 ); 3546 };
3547 }
3548}
3549
3550sub write_runtime_sync {
3551 # first touch the runtime file to show we are still running:
3552 # the fsync below can take a very very long time.
3553
3554 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3555
3556 my $guard = cf::lock_acquire "write_runtime";
3557
3558 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3559 or return;
3560
3561 my $value = $cf::RUNTIME + 90 + 10;
3562 # 10 is the runtime save interval, for a monotonic clock
3563 # 60 allows for the watchdog to kill the server.
3564
3565 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3566 and return;
3567
3568 # always fsync - this file is important
3569 aio_fsync $fh
3570 and return;
3571
3572 # touch it again to show we are up-to-date
3573 aio_utime $fh, undef, undef;
3574
3575 close $fh
3576 or return;
3577
3578 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3579 and return;
3580
3581 warn "runtime file written.\n";
3582
2627 } 3583 1
3584}
3585
3586our $uuid_lock;
3587our $uuid_skip;
3588
3589sub write_uuid_sync($) {
3590 $uuid_skip ||= $_[0];
3591
3592 return if $uuid_lock;
3593 local $uuid_lock = 1;
3594
3595 my $uuid = "$LOCALDIR/uuid";
3596
3597 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3598 or return;
3599
3600 my $value = uuid_seq uuid_cur;
3601
3602 unless ($value) {
3603 warn "cowardly refusing to write zero uuid value!\n";
3604 return;
3605 }
3606
3607 my $value = uuid_str $value + $uuid_skip;
3608 $uuid_skip = 0;
3609
3610 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3611 and return;
3612
3613 # always fsync - this file is important
3614 aio_fsync $fh
3615 and return;
3616
3617 close $fh
3618 or return;
3619
3620 aio_rename "$uuid~", $uuid
3621 and return;
3622
3623 warn "uuid file written ($value).\n";
3624
3625 1
3626
3627}
3628
3629sub write_uuid($$) {
3630 my ($skip, $sync) = @_;
3631
3632 $sync ? write_uuid_sync $skip
3633 : async { write_uuid_sync $skip };
2628} 3634}
2629 3635
2630sub emergency_save() { 3636sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3637 my $freeze_guard = cf::freeze_mainloop;
2632 3638
2633 warn "enter emergency perl save\n"; 3639 warn "emergency_perl_save: enter\n";
2634 3640
2635 cf::sync_job { 3641 cf::sync_job {
3642 # this is a trade-off: we want to be very quick here, so
3643 # save all maps without fsync, and later call a global sync
3644 # (which in turn might be very very slow)
3645 local $USE_FSYNC = 0;
3646
2636 # use a peculiar iteration method to avoid tripping on perl 3647 # use a peculiar iteration method to avoid tripping on perl
2637 # refcount bugs in for. also avoids problems with players 3648 # refcount bugs in for. also avoids problems with players
2638 # and maps saved/destroyed asynchronously. 3649 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3650 warn "emergency_perl_save: begin player save\n";
2640 for my $login (keys %cf::PLAYER) { 3651 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3652 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3653 $pl->valid or next;
3654 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3655 $pl->save;
2644 } 3656 }
2645 warn "end emergency player save\n"; 3657 warn "emergency_perl_save: end player save\n";
2646 3658
2647 warn "begin emergency map save\n"; 3659 warn "emergency_perl_save: begin map save\n";
2648 for my $path (keys %cf::MAP) { 3660 for my $path (keys %cf::MAP) {
2649 my $map = $cf::MAP{$path} or next; 3661 my $map = $cf::MAP{$path} or next;
2650 $map->valid or next; 3662 $map->valid or next;
2651 $map->save; 3663 $map->save;
2652 } 3664 }
2653 warn "end emergency map save\n"; 3665 warn "emergency_perl_save: end map save\n";
2654 3666
2655 warn "begin emergency database checkpoint\n"; 3667 warn "emergency_perl_save: begin database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3668 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3669 warn "emergency_perl_save: end database checkpoint\n";
3670
3671 warn "emergency_perl_save: begin write uuid\n";
3672 write_uuid_sync 1;
3673 warn "emergency_perl_save: end write uuid\n";
2658 }; 3674 };
2659 3675
3676 warn "emergency_perl_save: starting sync()\n";
3677 IO::AIO::aio_sync sub {
3678 warn "emergency_perl_save: finished sync()\n";
3679 };
3680
2660 warn "leave emergency perl save\n"; 3681 warn "emergency_perl_save: leave\n";
2661} 3682}
2662 3683
2663sub post_cleanup { 3684sub post_cleanup {
2664 my ($make_core) = @_; 3685 my ($make_core) = @_;
2665 3686
2666 warn Carp::longmess "post_cleanup backtrace" 3687 warn Carp::longmess "post_cleanup backtrace"
2667 if $make_core; 3688 if $make_core;
3689
3690 my $fh = pidfile;
3691 unlink $PIDFILE if <$fh> == $$;
3692}
3693
3694# a safer delete_package, copied from Symbol
3695sub clear_package($) {
3696 my $pkg = shift;
3697
3698 # expand to full symbol table name if needed
3699 unless ($pkg =~ /^main::.*::$/) {
3700 $pkg = "main$pkg" if $pkg =~ /^::/;
3701 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3702 $pkg .= '::' unless $pkg =~ /::$/;
3703 }
3704
3705 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3706 my $stem_symtab = *{$stem}{HASH};
3707
3708 defined $stem_symtab and exists $stem_symtab->{$leaf}
3709 or return;
3710
3711 # clear all symbols
3712 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3713 for my $name (keys %$leaf_symtab) {
3714 _gv_clear *{"$pkg$name"};
3715# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3716 }
3717 warn "cleared package $pkg\n";#d#
2668} 3718}
2669 3719
2670sub do_reload_perl() { 3720sub do_reload_perl() {
2671 # can/must only be called in main 3721 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3722 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3723 warn "can only reload from main coroutine";
2674 return; 3724 return;
2675 } 3725 }
2676 3726
3727 return if $RELOAD++;
3728
3729 my $t1 = EV::time;
3730
3731 while ($RELOAD) {
2677 warn "reloading..."; 3732 warn "reloading...";
2678 3733
2679 warn "entering sync_job"; 3734 warn "entering sync_job";
2680 3735
2681 cf::sync_job { 3736 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3737 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3738 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3739 cf::write_runtime_sync; # external watchdog should not bark
2685 3740
2686 warn "syncing database to disk"; 3741 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3742 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3743
2689 # if anything goes wrong in here, we should simply crash as we already saved 3744 # if anything goes wrong in here, we should simply crash as we already saved
2690 3745
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695
2696 warn "flushing outstanding aio requests"; 3746 warn "flushing outstanding aio requests";
2697 for (;;) {
2698 BDB::flush;
2699 IO::AIO::flush;
2700 Coro::cede;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3747 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3748 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703 }
2704
2705 ++$RELOAD;
2706
2707 warn "cancelling all extension coros";
2708 $_->cancel for values %EXT_CORO;
2709 %EXT_CORO = ();
2710
2711 warn "removing commands";
2712 %COMMAND = ();
2713
2714 warn "removing ext commands";
2715 %EXTCMD = ();
2716
2717 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg";
2720
2721 if (my $cb = $pkg->can ("unload")) {
2722 eval {
2723 $cb->($pkg);
2724 1
2725 } or warn "$pkg unloaded, but with errors: $@";
2726 } 3749 }
2727 3750
2728 warn "... nuking $pkg"; 3751 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3752 $_->cancel for values %EXT_CORO;
2730 } 3753 %EXT_CORO = ();
2731 3754
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3755 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3756 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3757
3758 warn "removing ext/exti commands";
3759 %EXTCMD = ();
3760 %EXTICMD = ();
3761
3762 warn "unloading/nuking all extensions";
3763 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3764 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3765
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3766 if (my $cb = $pkg->can ("unload")) {
3767 eval {
2743 $cb->(); 3768 $cb->($pkg);
3769 1
3770 } or warn "$pkg unloaded, but with errors: $@";
3771 }
3772
3773 warn "... clearing $pkg";
3774 clear_package $pkg;
2744 } 3775 }
2745 3776
2746 Symbol::delete_package $k; 3777 warn "unloading all perl modules loaded from $LIBDIR";
3778 while (my ($k, $v) = each %INC) {
3779 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3780
3781 warn "... unloading $k";
3782 delete $INC{$k};
3783
3784 $k =~ s/\.pm$//;
3785 $k =~ s/\//::/g;
3786
3787 if (my $cb = $k->can ("unload_module")) {
3788 $cb->();
3789 }
3790
3791 clear_package $k;
2747 } 3792 }
2748 3793
2749 warn "getting rid of safe::, as good as possible"; 3794 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3795 clear_package "safe::$_"
2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3796 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752 3797
2753 warn "unloading cf.pm \"a bit\""; 3798 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3799 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3800 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756 3801
2757 # don't, removes xs symbols, too, 3802 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3803 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3804 #clear_package __PACKAGE__;
2760 3805
2761 warn "unload completed, starting to reload now"; 3806 warn "unload completed, starting to reload now";
2762 3807
2763 warn "reloading cf.pm"; 3808 warn "reloading cf.pm";
2764 require cf; 3809 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3810 cf::_connect_to_perl_1;
2766 3811
2767 warn "loading config and database again"; 3812 warn "loading config and database again";
2768 cf::cfg_load; 3813 cf::reload_config;
2769 3814
2770 warn "loading extensions"; 3815 warn "loading extensions";
2771 cf::load_extensions; 3816 cf::load_extensions;
2772 3817
3818 if ($REATTACH_ON_RELOAD) {
2773 warn "reattaching attachments to objects/players"; 3819 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3820 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3821 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3822 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3823 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3824 reattach $_ for values %PLAYER;
3825 }
2779 3826
3827 warn "running post_init jobs";
3828 (pop @POST_INIT)->(1) while @POST_INIT;
3829
2780 warn "leaving sync_job"; 3830 warn "leaving sync_job";
2781 3831
2782 1 3832 1
2783 } or do { 3833 } or do {
2784 warn $@; 3834 warn $@;
2785 warn "error while reloading, exiting."; 3835 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3836 };
2788 3837
2789 warn "reloaded"; 3838 warn "reloaded";
3839 --$RELOAD;
3840 }
3841
3842 $t1 = EV::time - $t1;
3843 warn "reload completed in ${t1}s\n";
2790}; 3844};
2791 3845
2792our $RELOAD_WATCHER; # used only during reload 3846our $RELOAD_WATCHER; # used only during reload
2793 3847
2794sub reload_perl() { 3848sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3849 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3850 # coro crashes during coro_state_free->destroy here.
2797 3851
2798 $RELOAD_WATCHER ||= Event->timer ( 3852 $RELOAD_WATCHER ||= cf::async {
2799 reentrant => 0, 3853 Coro::AIO::aio_wait cache_extensions;
2800 after => 0, 3854
2801 data => WF_AUTOCANCEL, 3855 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2802 cb => sub {
2803 do_reload_perl; 3856 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3857 undef $RELOAD_WATCHER;
2805 }, 3858 };
2806 ); 3859 };
2807} 3860}
2808 3861
2809register_command "reload" => sub { 3862register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3863 my ($who, $arg) = @_;
2811 3864
2812 if ($who->flag (FLAG_WIZ)) { 3865 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3866 $who->message ("reloading server.");
3867 async {
3868 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3869 reload_perl;
3870 };
2815 } 3871 }
2816}; 3872};
2817 3873
2818unshift @INC, $LIBDIR; 3874unshift @INC, $LIBDIR;
2819 3875
… …
2821 3877
2822our @WAIT_FOR_TICK; 3878our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3879our @WAIT_FOR_TICK_BEGIN;
2824 3880
2825sub wait_for_tick { 3881sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3882 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3883
2829 my $signal = new Coro::Signal; 3884 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3885 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3886 $signal->wait;
2832} 3887}
2833 3888
2834sub wait_for_tick_begin { 3889sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3890 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3891
2838 my $signal = new Coro::Signal; 3892 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3893 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3894 $signal->wait;
2841} 3895}
2842 3896
2843 my $min = 1e6;#d# 3897sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3898 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3899 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3900 unless ++$bug_warning > 10;
2855 return; 3901 return;
2856 } 3902 }
2857 3903
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3904 cf::server_tick; # one server iteration
2861 3905
2862 0 && sync_job {#d# 3906 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3907 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3908 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3909 $Coro::current->{desc} = "runtime saver";
2866 or die; 3910 write_runtime_sync
2867 3911 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3912 };
3913 }
2884 3914
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3915 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3916 $sig->send;
2901 } 3917 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3918 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3919 $sig->send;
2904 } 3920 }
2905 3921
2906 $NOW = Event::time; 3922 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3923 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3924
2917 _post_tick; 3925 if (0) {
2918 3926 if ($NEXT_TICK) {
2919 3927 my $jitter = $TICK_START - $NEXT_TICK;
3928 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3929 warn "jitter $JITTER\n";#d#
3930 }
2920 }, 3931 }
2921); 3932}
2922 3933
2923{ 3934{
2924 BDB::max_poll_time $TICK * 0.1; 3935 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3936
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3937 BDB::min_parallel 8;
2934 3938 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3939 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3940
2950 unless ($DB_ENV) { 3941 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3942 $DB_ENV = BDB::db_env_create;
3943 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3944 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3945 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3946 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3947 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3948
2953 cf::sync_job { 3949 cf::sync_job {
2954 eval { 3950 eval {
2955 BDB::db_env_open 3951 BDB::db_env_open
2956 $DB_ENV, 3952 $DB_ENV,
… …
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3954 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3955 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3956 0666;
2961 3957
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3958 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3959 };
2967 3960
2968 cf::cleanup "db_env_open(db): $@" if $@; 3961 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3962 };
2970 } 3963 }
3964
3965 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3966 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3967 };
3968 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3969 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3970 };
3971 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3972 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3973 };
2971} 3974}
2972 3975
2973{ 3976{
3977 # configure IO::AIO
3978
2974 IO::AIO::min_parallel 8; 3979 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3980 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3981 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3982}
2987 3983
2988my $_log_backtrace; 3984my $_log_backtrace;
2989 3985
2990sub _log_backtrace { 3986sub _log_backtrace {
… …
2993 $msg =~ s/\n//; 3989 $msg =~ s/\n//;
2994 3990
2995 # limit the # of concurrent backtraces 3991 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3992 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3993 ++$_log_backtrace;
3994 my $perl_bt = Carp::longmess $msg;
2998 async { 3995 async {
3996 $Coro::current->{desc} = "abt $msg";
3997
2999 my @bt = fork_call { 3998 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3999 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4000 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4001 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 4002 or die "addr2line: $!";
… …
3011 } 4010 }
3012 4011
3013 @funcs 4012 @funcs
3014 }; 4013 };
3015 4014
3016 LOG llevInfo, "[ABT] $msg\n"; 4015 LOG llevInfo, "[ABT] $perl_bt\n";
4016 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017 LOG llevInfo, "[ABT] $_\n" for @bt; 4017 LOG llevInfo, "[ABT] $_\n" for @bt;
3018 --$_log_backtrace; 4018 --$_log_backtrace;
3019 }; 4019 };
3020 } else { 4020 } else {
3021 LOG llevInfo, "[ABT] $msg\n"; 4021 LOG llevInfo, "[ABT] $msg\n";
3022 LOG llevInfo, "[ABT] [suppressed]\n"; 4022 LOG llevInfo, "[ABT] [suppressed]\n";
3023 } 4023 }
3024} 4024}
3025 4025
3026# load additional modules 4026# load additional modules
3027use cf::pod; 4027require "cf/$_.pm" for @EXTRA_MODULES;
4028cf::_connect_to_perl_2;
3028 4029
3029END { cf::emergency_save } 4030END { cf::emergency_save }
3030 4031
30311 40321
3032 4033

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