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Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.484 by root, Mon Oct 12 14:00:58 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 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 567=cut
401 utime undef, undef, $fh; 568
569sub fork_call(&@) {
570 my ($cb, @args) = @_;
571
572 # we seemingly have to make a local copy of the whole thing,
573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
575
576 my @res = Coro::Util::fork_eval {
577 reset_signals;
578 &$cb
579 }, @args;
580
581 wantarray ? @res : $res[-1]
582}
583
584=item $coin = coin_from_name $name
585
586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
610
611=item $value = cf::db_get $family => $key
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 $!;
402 } 638 };
639 cf::cleanup "db_open(db): $@" if $@;
403 640
404 my $guard = cf::lock_acquire "write_runtime"; 641 $db
642}
405 643
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 644our $DB;
407 or return;
408 645
409 my $value = $cf::RUNTIME + 90 + 10; 646sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 647 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 648 $DB ||= db_table "db";
649 };
650}
412 651
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 652sub db_get($$) {
414 and return; 653 my $key = "$_[0]/$_[1]";
415 654
416 # always fsync - this file is important 655 cf::sync_job {
417 aio_fsync $fh 656 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 657
420 # touch it again to show we are up-to-date 658 $! ? ()
421 utime undef, undef, $fh; 659 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 660 }
661}
662
663sub db_put($$$) {
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"
432} 736}
433 737
434=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
435 739
436Log 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.
… …
448 752
449############################################################################# 753#############################################################################
450 754
451=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
452 756
453Many 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
454attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
456 760
457In 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>
458C<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
459crossfire+). 763Deliantra).
460 764
461=over 4 765=over 4
462 766
463=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
464 768
… …
508=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
509 813
510Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
512 816
513Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
514that 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.
515 819
516These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
517 821
518=over 4 822=over 4
… …
666 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
667 } 971 }
668 972
669 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
670 } else { 974 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 976 }
673 977
674 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
675} 979}
676 980
… …
716 "; 1020 ";
717 die if $@; 1021 die if $@;
718} 1022}
719 1023
720our $override; 1024our $override;
721our @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?
722 1026
723sub override { 1027sub override {
724 $override = 1; 1028 $override = 1;
725 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
726} 1030}
727 1031
728sub do_invoke { 1032sub do_invoke {
729 my $event = shift; 1033 my $event = shift;
730 my $callbacks = shift; 1034 my $callbacks = shift;
731 1035
732 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
733 1037
734 local $override; 1038 local $override;
735 1039
736 for (@$callbacks) { 1040 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
746 } 1050 }
747 1051
748 0 1052 0
749} 1053}
750 1054
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1056
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1058
755Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
756 1060
757This 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
758removed 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
759results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1064
761=back 1065=back
762 1066
763=cut 1067=cut
764 1068
765############################################################################# 1069#############################################################################
766# 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, $ob2
1112}
767 1113
768sub reattach { 1114sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1116 my ($obj) = @_;
771 1117
1118 # no longer needed after getting rid of delete_package?
772 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
773 1120
774 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
775 1122
776 @$registry = (); 1123 @$registry = ();
777 1124
… …
792cf::attachable->attach ( 1139cf::attachable->attach (
793 prio => -1000000, 1140 prio => -1000000,
794 on_instantiate => sub { 1141 on_instantiate => sub {
795 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
796 1143
797 $data = from_json $data; 1144 $data = decode_json $data;
798 1145
799 for (@$data) { 1146 for (@$data) {
800 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
801 1148
802 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
818sub object_freezer_save { 1165sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
820 1167
821 sync_job { 1168 sync_job {
822 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
825 1173
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 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 }
830 close $fh; 1181 aio_close $fh;
831 1182
832 if (@$objs) { 1183 if (@$objs) {
833 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) {
834 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
837 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 }
838 close $fh; 1192 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
840 } 1194 }
841 } else { 1195 } else {
842 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
843 } 1197 }
844 1198
845 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
846 } else { 1203 } else {
847 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
848 } 1205 }
849 } else { 1206 } else {
850 aio_unlink $filename; 1207 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
852 } 1209 }
853 } 1210 };
854} 1211}
855 1212
856sub object_freezer_as_string { 1213sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
858 1215
… …
870 or return; 1227 or return;
871 1228
872 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
874 or return; 1231 or return;
1232
875 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
876 } 1235 }
877 1236
1237 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
880 return ($data, $av); 1241 ($data, $av)
881} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
882 1249
883############################################################################# 1250#############################################################################
884# command handling &c 1251# command handling &c
885 1252
886=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1267}
901 1268
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1270
904Register 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.
905 1276
906If 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
907called. 1278called.
908 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
909=cut 1291=cut
910 1292
911sub register_extcmd { 1293sub register_extcmd {
912 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
913 1295
914 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
915} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
916 1306
917cf::player->attach ( 1307cf::player->attach (
918 on_command => sub { 1308 on_command => sub {
919 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
920 1310
… …
928 cf::override; 1318 cf::override;
929 }, 1319 },
930 on_extcmd => sub { 1320 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
932 1322
933 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1324
935 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
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
941 } else { 1340 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1342 }
944 1343
945 cf::override; 1344 cf::override;
946 }, 1345 },
947); 1346);
948 1347
1348# "readahead" all extensions
949sub load_extension { 1349sub cache_extensions {
950 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
951 1351
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
954 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 } 1355 }
977 die $@;
978 } 1356 };
979 1357
980 push @EXTS, $pkg; 1358 $grp
981} 1359}
982 1360
983sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
984 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1366 next unless -r $path;
986 eval { 1367
987 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 $progress = 1;
988 1 1424 }
989 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
990 } 1430 };
991} 1431}
992 1432
993############################################################################# 1433#############################################################################
994 1434
1435=back
1436
995=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
996 1438
997Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
998 1440
999=cut 1441=cut
1000 1442
1001package cf::player; 1443package cf::player;
1002 1444
1003use Coro::AIO; 1445use Coro::AIO;
1004 1446
1005=head3 cf::player 1447=head3 cf::player
1006 1448
1007=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}
1008 1464
1009=item cf::player::find $login 1465=item cf::player::find $login
1010 1466
1011Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
1012 1468
… …
1031 1487
1032sub exists($) { 1488sub exists($) {
1033 my ($login) = @_; 1489 my ($login) = @_;
1034 1490
1035 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1036 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1037} 1493}
1038 1494
1039sub find($) { 1495sub find($) {
1040 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1041 my $login = $_[0]; 1497 my $login = $_[0];
… …
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1508
1053 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1054 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;
1055 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1056 } 1518 }
1057 } 1519 }
1058} 1520}
1059 1521
… …
1068 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1069 1531
1070 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1072 1534
1535 cf::get_slot 0.01;
1536
1073 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1074 Coro::cede; 1538 cf::cede_to_tick;
1075} 1539}
1076 1540
1077sub new($) { 1541sub new($) {
1078 my ($login) = @_; 1542 my ($login) = @_;
1079 1543
… …
1085 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1086 1550
1087 $self 1551 $self
1088} 1552}
1089 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
1090=item $pl->quit_character 1564=item $pl->quit_character
1091 1565
1092Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1094 1568
… …
1098 my ($pl) = @_; 1572 my ($pl) = @_;
1099 1573
1100 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1101 1575
1102 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1103 $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
1104 1578
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1109 1585
1110 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1147 or return []; 1623 or return [];
1148 1624
1149 my @logins; 1625 my @logins;
1150 1626
1151 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") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1155 1637
1156 utf8::decode $login; 1638 utf8::decode $login;
1157 push @logins, $login; 1639 push @logins, $login;
1158 } 1640 }
1159 1641
… …
1186 } 1668 }
1187 1669
1188 \@paths 1670 \@paths
1189} 1671}
1190 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1191=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1192 1678
1193Sends an ext reply to the player. 1679Sends an ext reply to the player.
1194 1680
1195=cut 1681=cut
1196 1682
1197sub ext_reply($$%) { 1683sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1199 1685
1200 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1687}
1204 1688
1205=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1206 1690
1207Sends an ext event to the client. 1691Sends an ext event to the client.
1208 1692
1209=cut 1693=cut
1210 1694
1211sub ext_event($$%) { 1695sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1213 1697
1214 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1215} 1699}
1216 1700
1217=head3 cf::region 1701=head3 cf::region
1218 1702
1219=over 4 1703=over 4
… …
1222 1706
1223package cf::region; 1707package cf::region;
1224 1708
1225=item cf::region::find_by_path $path 1709=item cf::region::find_by_path $path
1226 1710
1227Tries to decuce the probable region for a map knowing only its path. 1711Tries to decuce the likely region for a map knowing only its path.
1228 1712
1229=cut 1713=cut
1230 1714
1231sub find_by_path($) { 1715sub find_by_path($) {
1232 my ($path) = @_; 1716 my ($path) = @_;
1233 1717
1234 my ($match, $specificity); 1718 my ($match, $specificity);
1235 1719
1236 for my $region (list) { 1720 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1240 } 1724 }
1241 } 1725 }
1242 1726
… …
1263our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1265 1749
1266sub generate_random_map { 1750sub generate_random_map {
1267 my ($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
1268 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1756 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1306 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1307 1794
1308 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1309 local $self->{path}; 1796 local $self->{path};
1310 local $self->{load_path}; 1797 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1798
1314 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1315} 1800}
1316 1801
1317sub normalise { 1802sub normalise {
… …
1364 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1365 return $self; 1850 return $self;
1366 } 1851 }
1367 } 1852 }
1368 1853
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1855 ()
1371} 1856}
1372 1857
1373sub init { 1858sub init {
1374 my ($self) = @_; 1859 my ($self) = @_;
… …
1396 1881
1397# the temporary/swap location 1882# the temporary/swap location
1398sub save_path { 1883sub save_path {
1399 my ($self) = @_; 1884 my ($self) = @_;
1400 1885
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1403} 1888}
1404 1889
1405# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1406sub uniq_path { 1891sub uniq_path {
1407 my ($self) = @_; 1892 my ($self) = @_;
1408 1893
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1411} 1896}
1412 1897
1413# and all this just because we cannot iterate over 1898sub decay_objects {
1414# all maps in C++...
1415sub change_all_map_light {
1416 my ($change) = @_; 1899 my ($self) = @_;
1417 1900
1418 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1419 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1420} 1904}
1421 1905
1422sub unlink_save { 1906sub unlink_save {
1423 my ($self) = @_; 1907 my ($self) = @_;
1424 1908
… …
1429 1913
1430sub load_header_from($) { 1914sub load_header_from($) {
1431 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1432 1916
1433 utf8::encode $path; 1917 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 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;
1439 1926
1440 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1441 1928
1442 1 1929 1
1443} 1930}
… …
1482 $self->load_header_orig 1969 $self->load_header_orig
1483 or return; 1970 or return;
1484 $self->prepare_orig; 1971 $self->prepare_orig;
1485 } 1972 }
1486 1973
1974 $self->{deny_reset} = 1
1975 if $self->no_reset;
1976
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1977 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1978 unless $self->default_region;
1489 1979
1490 1 1980 1
1491} 1981}
… …
1494sub find { 1984sub find {
1495 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1496 1986
1497 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1498 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1500 1991
1501 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1502 my $guard = cf::lock_acquire "map_find:$path";
1503 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1504 or return; 1994 or return;
1505 1995
1506 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1507 1997
1508 $map->load_header 1998 $map->load_header
1509 or return; 1999 or return;
1510 2000
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1514 $map->reset; 2006 $map->reset;
1515 undef $guard;
1516 return find $path; 2007 return find $path;
1517 } 2008 }
1518 2009
1519 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1520 } 2011 }
… …
1529 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1530 2021
1531 my $path = $self->{path}; 2022 my $path = $self->{path};
1532 2023
1533 { 2024 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1535 2026
2027 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2029
1538 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1539 2031
1540 $self->alloc; 2032 $self->alloc;
1541 2033
1542 $self->pre_load; 2034 $self->pre_load;
1543 Coro::cede; 2035 cf::cede_to_tick;
1544 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1546 or return; 2040 or return;
1547 2041
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1549 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1550 2044
1551 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2046 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2049 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1556 } 2053 }
1557 } 2054 }
1558 2055
1559 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1560 # now do the right thing for maps 2059 # now do the right thing for maps
1561 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2062 unless $self->difficulty;
1564 Coro::cede; 2063 cf::cede_to_tick;
1565 2064
1566 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2066 $self->decay_objects;
1568 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1569 $self->update_buttons; 2068 $self->update_buttons;
1570 Coro::cede; 2069 cf::cede_to_tick;
1571 $self->set_darkness_map;
1572 Coro::cede;
1573 $self->activate; 2070 $self->activate;
1574 } 2071 }
1575 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2077 }
1578 2078
1579 $self->post_load; 2079 $self->post_load;
1580} 2080}
1581 2081
… …
1583 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1584 2084
1585 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2086 if $self->per_player;
1587 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1588 $self 2091 $self
1589} 2092}
1590 2093
1591# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2095sub load_neighbours {
1593 my ($map) = @_; 2096 my ($map) = @_;
1594 2097
1595 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1596 2099
1597 for (0 .. 3) { 2100 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1599 or next; 2102 or next;
1600 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1601 or next; 2104 or next;
1602 $neigh->load; 2105 $neigh->load;
1603 2106
2107 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2110 }
1607 2111
1608 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1610 or next; 2115 or next;
1611 $neigh->load; 2116 $neigh->load;
1612 } 2117 }
1613} 2118}
1614 2119
… …
1619} 2124}
1620 2125
1621sub do_load_sync { 2126sub do_load_sync {
1622 my ($map) = @_; 2127 my ($map) = @_;
1623 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1624 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1625} 2133}
1626 2134
1627our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1629 2137
1630sub find_async { 2138sub find_async {
1631 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1632 2140
1633 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1634 2142
1635 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2145 }
1638 2146
1639 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1640 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1641 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2154 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2155 $map->load if $v;
2156 }
1646 2157
1647 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1648 } 2159 }
1649 } 2160 }
1650 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1651 }; 2162 };
1652 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1655} 2166}
1656 2167
1657sub save { 2168sub save {
1658 my ($self) = @_; 2169 my ($self) = @_;
1659 2170
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2172
1662 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1663 2174
1664 return unless $self->dirty; 2175 return unless $self->dirty;
1665 2176
… …
1671 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1672 2183
1673 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1674 2185
1675 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1677 }; 2189 };
2190
2191 cf::get_slot 0.02;
1678 2192
1679 if ($uniq) { 2193 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2196 } else {
… …
1688 my ($self) = @_; 2202 my ($self) = @_;
1689 2203
1690 # save first because save cedes 2204 # save first because save cedes
1691 $self->save; 2205 $self->save;
1692 2206
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2208
1695 return if $self->players; 2209 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1698 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2217 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2218}
1702 2219
1703sub reset_at { 2220sub reset_at {
1704 my ($self) = @_; 2221 my ($self) = @_;
1705 2222
1706 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1709 2225
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2228
… …
1723 my ($self) = @_; 2239 my ($self) = @_;
1724 2240
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2242
1727 return if $self->players; 2243 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2244
1730 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
1731 2246
1732 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1733 2248
1734 # need to save uniques path 2249 # need to save uniques path
1735 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1739 if $uniq; 2254 if $uniq;
1740 } 2255 }
1741 2256
1742 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1743 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2261 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2262
1748 $self->unlink_save; 2263 $self->unlink_save;
1749 $self->destroy; 2264 $self->destroy;
1750} 2265}
1751 2266
1752my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1753 2268
1754sub nuke { 2269sub nuke {
1755 my ($self) = @_; 2270 my ($self) = @_;
1756 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1757 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1758 2276
1759 $self->unlink_save; 2277 $self->unlink_save;
1760 2278
1761 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2284
1767 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1768 2287
1769 $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 ]
1770} 2325}
1771 2326
1772=item cf::map::unique_maps 2327=item cf::map::unique_maps
1773 2328
1774Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2330instantiated unique items. May block.
1776 2331
1777=cut 2332=cut
1778 2333
1779sub unique_maps() { 2334sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2335 [
1781 or return; 2336 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2337 utf8::decode $_;
1787 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2340 ? ()
1790 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2343 ]
1792
1793 \@paths
1794} 2344}
1795
1796package cf;
1797 2345
1798=back 2346=back
1799 2347
1800=head3 cf::object 2348=head3 cf::object
1801 2349
… …
1805 2353
1806=over 4 2354=over 4
1807 2355
1808=item $ob->inv_recursive 2356=item $ob->inv_recursive
1809 2357
1810Returns the inventory of the object _and_ their inventories, recursively. 2358Returns the inventory of the object I<and> their inventories, recursively,
2359but I<not> the object itself.
1811 2360
1812=cut 2361=cut
1813 2362
1814sub inv_recursive_; 2363sub inv_recursive_;
1815sub inv_recursive_ { 2364sub inv_recursive_ {
… …
1818 2367
1819sub inv_recursive { 2368sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2369 inv_recursive_ inv $_[0]
1821} 2370}
1822 2371
2372=item $ref = $ob->ref
2373
2374Creates and returns a persistent reference to an object that can be stored as a string.
2375
2376=item $ob = cf::object::deref ($refstring)
2377
2378returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2379even if the object actually exists. May block.
2380
2381=cut
2382
2383sub deref {
2384 my ($ref) = @_;
2385
2386 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2387 my ($uuid, $name) = ($1, $2);
2388 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2389 or return;
2390 $pl->ob->uuid eq $uuid
2391 or return;
2392
2393 $pl->ob
2394 } else {
2395 warn "$ref: cannot resolve object reference\n";
2396 undef
2397 }
2398}
2399
1823package cf; 2400package cf;
1824 2401
1825=back 2402=back
1826 2403
1827=head3 cf::object::player 2404=head3 cf::object::player
… …
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2410Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2411can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2412dialogue with the given NPC character.
1836 2413
1837=cut 2414=cut
2415
2416our $SAY_CHANNEL = {
2417 id => "say",
2418 title => "Map",
2419 reply => "say ",
2420 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2421};
2422
2423our $CHAT_CHANNEL = {
2424 id => "chat",
2425 title => "Chat",
2426 reply => "chat ",
2427 tooltip => "Player chat and shouts, global to the server.",
2428};
1838 2429
1839# rough implementation of a future "reply" method that works 2430# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2431# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2432#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2433sub cf::object::player::reply($$$;$) {
… …
1844 2435
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2436 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2437
1847 if ($self->{record_replies}) { 2438 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2439 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2440
1849 } else { 2441 } else {
2442 my $pl = $self->contr;
2443
2444 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2445 my $dialog = $pl->{npc_dialog};
2446 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2447
2448 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2449 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2450 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2451 }
1852 } 2452 }
2453}
2454
2455=item $object->send_msg ($channel, $msg, $color, [extra...])
2456
2457=cut
2458
2459sub cf::object::send_msg {
2460 my $pl = shift->contr
2461 or return;
2462 $pl->send_msg (@_);
1853} 2463}
1854 2464
1855=item $player_object->may ("access") 2465=item $player_object->may ("access")
1856 2466
1857Returns wether the given player is authorized to access resource "access" 2467Returns wether the given player is authorized to access resource "access"
… …
1870 2480
1871=item $player_object->enter_link 2481=item $player_object->enter_link
1872 2482
1873Freezes the player and moves him/her to a special map (C<{link}>). 2483Freezes the player and moves him/her to a special map (C<{link}>).
1874 2484
1875The player should be reasonably safe there for short amounts of time. You 2485The player should be reasonably safe there for short amounts of time (e.g.
1876I<MUST> call C<leave_link> as soon as possible, though. 2486for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2487though, as the palyer cannot control the character while it is on the link
2488map.
1877 2489
1878Will never block. 2490Will never block.
1879 2491
1880=item $player_object->leave_link ($map, $x, $y) 2492=item $player_object->leave_link ($map, $x, $y)
1881 2493
… …
1904 $self->deactivate_recursive; 2516 $self->deactivate_recursive;
1905 2517
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2518 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2519
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2520 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2521 if $self->map && $self->map->{path} ne "{link}";
1910 2522
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2523 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2524}
1913 2525
1914sub cf::object::player::leave_link { 2526sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2527 my ($self, $map, $x, $y) = @_;
2528
2529 return unless $self->contr->active;
1916 2530
1917 my $link_pos = delete $self->{_link_pos}; 2531 my $link_pos = delete $self->{_link_pos};
1918 2532
1919 unless ($map) { 2533 unless ($map) {
1920 # restore original map position 2534 # restore original map position
… …
1934 # use -1 or undef as default coordinates, not 0, 0 2548 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2549 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2550 if $x <=0 && $y <= 0;
1937 2551
1938 $map->load; 2552 $map->load;
1939 $map->load_diag; 2553 $map->load_neighbours;
1940 2554
1941 return unless $self->contr->active; 2555 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2556
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
1946}
1947 2559
1948cf::player->attach ( 2560 # only activate afterwards, to support waiting in hooks
1949 on_logout => sub { 2561 $self->activate_recursive;
1950 my ($pl) = @_; 2562}
1951 2563
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2565
1982Moves the player to the given map-path and coordinates by first freezing 2566Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2567her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2568that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2569the new (success) or old (failed) map position. In either case, $done will
2570be called at the end of this process.
1986 2571
2572Note that $check will be called with a potentially non-loaded map, so if
2573it needs a loaded map it has to call C<< ->load >>.
2574
1987=cut 2575=cut
2576
2577our $GOTOGEN;
1988 2578
1989sub cf::object::player::goto { 2579sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2580 my ($self, $path, $x, $y, $check, $done) = @_;
2581
2582 # do generation counting so two concurrent goto's will be executed in-order
2583 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991 2584
1992 $self->enter_link; 2585 $self->enter_link;
1993 2586
1994 (async { 2587 (async {
2588 $Coro::current->{desc} = "player::goto $path $x $y";
2589
2590 # *tag paths override both path and x|y
2591 if ($path =~ /^\*(.*)$/) {
2592 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2593 my $ob = $obs[rand @obs];
2594
2595 # see if we actually can go there
2596 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2597 $ob = $obs[rand @obs];
2598 } else {
2599 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2600 }
2601 # else put us there anyways for now #d#
2602
2603 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2604 } else {
2605 ($path, $x, $y) = (undef, undef, undef);
2606 }
2607 }
2608
1995 my $map = eval { 2609 my $map = eval {
1996 my $map = cf::map::find $path; 2610 my $map = defined $path ? cf::map::find $path : undef;
1997 2611
1998 if ($map) { 2612 if ($map) {
1999 $map = $map->customise_for ($self); 2613 $map = $map->customise_for ($self);
2000 $map = $check->($map) if $check && $map; 2614 $map = $check->($map) if $check && $map;
2001 } else { 2615 } else {
2002 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2616 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003 } 2617 }
2004 2618
2005 $map 2619 $map
2006 }; 2620 };
2007 2621
2008 if ($@) { 2622 if ($@) {
2009 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2623 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010 LOG llevError | logBacktrace, Carp::longmess $@; 2624 LOG llevError | logBacktrace, Carp::longmess $@;
2011 } 2625 }
2012 2626
2627 if ($gen == $self->{_goto_generation}) {
2628 delete $self->{_goto_generation};
2013 $self->leave_link ($map, $x, $y); 2629 $self->leave_link ($map, $x, $y);
2630 }
2631
2632 $done->() if $done;
2014 })->prio (1); 2633 })->prio (1);
2015} 2634}
2016 2635
2017=item $player_object->enter_exit ($exit_object) 2636=item $player_object->enter_exit ($exit_object)
2018 2637
… …
2038} 2657}
2039 2658
2040sub prepare_random_map { 2659sub prepare_random_map {
2041 my ($exit) = @_; 2660 my ($exit) = @_;
2042 2661
2043 my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045 # all this does is basically replace the /! path by 2662 # all this does is basically replace the /! path by
2046 # a new random map path (?random/...) with a seed 2663 # a new random map path (?random/...) with a seed
2047 # that depends on the exit object 2664 # that depends on the exit object
2048 2665
2049 my $rmp = parse_random_map_params $exit->msg; 2666 my $rmp = parse_random_map_params $exit->msg;
… …
2051 if ($exit->map) { 2668 if ($exit->map) {
2052 $rmp->{region} = $exit->region->name; 2669 $rmp->{region} = $exit->region->name;
2053 $rmp->{origin_map} = $exit->map->path; 2670 $rmp->{origin_map} = $exit->map->path;
2054 $rmp->{origin_x} = $exit->x; 2671 $rmp->{origin_x} = $exit->x;
2055 $rmp->{origin_y} = $exit->y; 2672 $rmp->{origin_y} = $exit->y;
2673
2674 $exit->map->touch;
2056 } 2675 }
2057 2676
2058 $rmp->{random_seed} ||= $exit->random_seed; 2677 $rmp->{random_seed} ||= $exit->random_seed;
2059 2678
2060 my $data = cf::to_json $rmp; 2679 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061 my $md5 = Digest::MD5::md5_hex $data; 2680 my $md5 = Digest::MD5::md5_hex $data;
2062 my $meta = "$RANDOMDIR/$md5.meta"; 2681 my $meta = "$RANDOMDIR/$md5.meta";
2063 2682
2064 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2683 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065 aio_write $fh, 0, (length $data), $data, 0; 2684 aio_write $fh, 0, (length $data), $data, 0;
2066 undef $fh; 2685 undef $fh;
2067 aio_rename "$meta~", $meta; 2686 aio_rename "$meta~", $meta;
2068 2687
2688 my $slaying = "?random/$md5";
2689
2690 if ($exit->valid) {
2069 $exit->slaying ("?random/$md5"); 2691 $exit->slaying ("?random/$md5");
2070 $exit->msg (undef); 2692 $exit->msg (undef);
2693 }
2071 } 2694 }
2072} 2695}
2073 2696
2074sub cf::object::player::enter_exit { 2697sub cf::object::player::enter_exit {
2075 my ($self, $exit) = @_; 2698 my ($self, $exit) = @_;
2076 2699
2077 return unless $self->type == cf::PLAYER; 2700 return unless $self->type == cf::PLAYER;
2078 2701
2079 if ($exit->slaying eq "/!") {
2080 #TODO: this should de-fi-ni-te-ly not be a sync-job
2081 # the problem is that $exit might not survive long enough
2082 # so it needs to be done right now, right here
2083 cf::sync_job { prepare_random_map $exit };
2084 }
2085
2086 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087 my $hp = $exit->stats->hp;
2088 my $sp = $exit->stats->sp;
2089
2090 $self->enter_link; 2702 $self->enter_link;
2091 2703
2092 (async { 2704 (async {
2093 $self->deactivate_recursive; # just to be sure 2705 $Coro::current->{desc} = "enter_exit";
2706
2094 unless (eval { 2707 unless (eval {
2708 $self->deactivate_recursive; # just to be sure
2709
2710 # random map handling
2711 {
2712 my $guard = cf::lock_acquire "exit_prepare:$exit";
2713
2714 prepare_random_map $exit
2715 if $exit->slaying eq "/!";
2716 }
2717
2718 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2719 my $x = $exit->stats->hp;
2720 my $y = $exit->stats->sp;
2721
2095 $self->goto ($slaying, $hp, $sp); 2722 $self->goto ($map, $x, $y);
2096 2723
2724 # if exit is damned, update players death & WoR home-position
2725 $self->contr->savebed ($map, $x, $y)
2726 if $exit->flag (cf::FLAG_DAMNED);
2727
2097 1; 2728 1
2098 }) { 2729 }) {
2099 $self->message ("Something went wrong deep within the crossfire server. " 2730 $self->message ("Something went wrong deep within the deliantra server. "
2100 . "I'll try to bring you back to the map you were before. " 2731 . "I'll try to bring you back to the map you were before. "
2101 . "Please report this to the dungeon master!", 2732 . "Please report this to the dungeon master!",
2102 cf::NDI_UNIQUE | cf::NDI_RED); 2733 cf::NDI_UNIQUE | cf::NDI_RED);
2103 2734
2104 warn "ERROR in enter_exit: $@"; 2735 warn "ERROR in enter_exit: $@";
… …
2123 2754
2124 utf8::encode $text; 2755 utf8::encode $text;
2125 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2756 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126} 2757}
2127 2758
2759=item $client->send_msg ($channel, $msg, $color, [extra...])
2760
2761Send a drawinfo or msg packet to the client, formatting the msg for the
2762client if neccessary. C<$type> should be a string identifying the type of
2763the message, with C<log> being the default. If C<$color> is negative, suppress
2764the message unless the client supports the msg packet.
2765
2766=cut
2767
2768# non-persistent channels (usually the info channel)
2769our %CHANNEL = (
2770 "c/identify" => {
2771 id => "infobox",
2772 title => "Identify",
2773 reply => undef,
2774 tooltip => "Items recently identified",
2775 },
2776 "c/examine" => {
2777 id => "infobox",
2778 title => "Examine",
2779 reply => undef,
2780 tooltip => "Signs and other items you examined",
2781 },
2782 "c/book" => {
2783 id => "infobox",
2784 title => "Book",
2785 reply => undef,
2786 tooltip => "The contents of a note or book",
2787 },
2788 "c/lookat" => {
2789 id => "infobox",
2790 title => "Look",
2791 reply => undef,
2792 tooltip => "What you saw there",
2793 },
2794 "c/who" => {
2795 id => "infobox",
2796 title => "Players",
2797 reply => undef,
2798 tooltip => "Shows players who are currently online",
2799 },
2800 "c/body" => {
2801 id => "infobox",
2802 title => "Body Parts",
2803 reply => undef,
2804 tooltip => "Shows which body parts you posess and are available",
2805 },
2806 "c/statistics" => {
2807 id => "infobox",
2808 title => "Statistics",
2809 reply => undef,
2810 tooltip => "Shows your primary statistics",
2811 },
2812 "c/skills" => {
2813 id => "infobox",
2814 title => "Skills",
2815 reply => undef,
2816 tooltip => "Shows your experience per skill and item power",
2817 },
2818 "c/shopitems" => {
2819 id => "infobox",
2820 title => "Shop Items",
2821 reply => undef,
2822 tooltip => "Shows the items currently for sale in this shop",
2823 },
2824 "c/resistances" => {
2825 id => "infobox",
2826 title => "Resistances",
2827 reply => undef,
2828 tooltip => "Shows your resistances",
2829 },
2830 "c/pets" => {
2831 id => "infobox",
2832 title => "Pets",
2833 reply => undef,
2834 tooltip => "Shows information abotu your pets/a specific pet",
2835 },
2836 "c/perceiveself" => {
2837 id => "infobox",
2838 title => "Perceive Self",
2839 reply => undef,
2840 tooltip => "You gained detailed knowledge about yourself",
2841 },
2842 "c/uptime" => {
2843 id => "infobox",
2844 title => "Uptime",
2845 reply => undef,
2846 tooltip => "How long the server has been running since last restart",
2847 },
2848 "c/mapinfo" => {
2849 id => "infobox",
2850 title => "Map Info",
2851 reply => undef,
2852 tooltip => "Information related to the maps",
2853 },
2854 "c/party" => {
2855 id => "party",
2856 title => "Party",
2857 reply => "gsay ",
2858 tooltip => "Messages and chat related to your party",
2859 },
2860 "c/death" => {
2861 id => "death",
2862 title => "Death",
2863 reply => undef,
2864 tooltip => "Reason for and more info about your most recent death",
2865 },
2866 "c/say" => $SAY_CHANNEL,
2867 "c/chat" => $CHAT_CHANNEL,
2868);
2869
2870sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_;
2872
2873 $msg = $self->pl->expand_cfpod ($msg)
2874 unless $color & cf::NDI_VERBATIM;
2875
2876 $color &= cf::NDI_CLIENT_MASK; # just in case...
2877
2878 # check predefined channels, for the benefit of C
2879 if ($CHANNEL{$channel}) {
2880 $channel = $CHANNEL{$channel};
2881
2882 $self->ext_msg (channel_info => $channel);
2883 $channel = $channel->{id};
2884
2885 } elsif (ref $channel) {
2886 # send meta info to client, if not yet sent
2887 unless (exists $self->{channel}{$channel->{id}}) {
2888 $self->{channel}{$channel->{id}} = $channel;
2889 $self->ext_msg (channel_info => $channel);
2890 }
2891
2892 $channel = $channel->{id};
2893 }
2894
2895 return unless @extra || length $msg;
2896
2897 # default colour, mask it out
2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899 if $color & cf::NDI_DEF;
2900
2901 my $pkt = "msg "
2902 . $self->{json_coder}->encode (
2903 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2904 );
2905
2906 # try lzf for large packets
2907 $pkt = "lzf " . Compress::LZF::compress $pkt
2908 if 1024 <= length $pkt and $self->{can_lzf};
2909
2910 # split very large packets
2911 if (8192 < length $pkt and $self->{can_lzf}) {
2912 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2913 $pkt = "frag";
2914 }
2915
2916 $self->send_packet ($pkt);
2917}
2918
2128=item $client->ext_event ($type, %msg) 2919=item $client->ext_msg ($type, @msg)
2129 2920
2130Sends an exti event to the client. 2921Sends an ext event to the client.
2131 2922
2132=cut 2923=cut
2133 2924
2134sub cf::client::ext_event($$%) { 2925sub cf::client::ext_msg($$@) {
2135 my ($self, $type, %msg) = @_; 2926 my ($self, $type, @msg) = @_;
2136 2927
2928 if ($self->extcmd == 2) {
2929 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2930 } elsif ($self->extcmd == 1) { # TODO: remove
2137 $msg{msgtype} = "event_$type"; 2931 push @msg, msgtype => "event_$type";
2138 $self->send_packet ("ext " . cf::to_json \%msg); 2932 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2933 }
2934}
2935
2936=item $client->ext_reply ($msgid, @msg)
2937
2938Sends an ext reply to the client.
2939
2940=cut
2941
2942sub cf::client::ext_reply($$@) {
2943 my ($self, $id, @msg) = @_;
2944
2945 if ($self->extcmd == 2) {
2946 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2947 } elsif ($self->extcmd == 1) {
2948 #TODO: version 1, remove
2949 unshift @msg, msgtype => "reply", msgid => $id;
2950 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951 }
2139} 2952}
2140 2953
2141=item $success = $client->query ($flags, "text", \&cb) 2954=item $success = $client->query ($flags, "text", \&cb)
2142 2955
2143Queues a query to the client, calling the given callback with 2956Queues a query to the client, calling the given callback with
2144the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2957the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2958C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146 2959
2147Queries can fail, so check the return code. Or don't, as queries will become 2960Queries can fail, so check the return code. Or don't, as queries will
2148reliable at some point in the future. 2961become reliable at some point in the future.
2149 2962
2150=cut 2963=cut
2151 2964
2152sub cf::client::query { 2965sub cf::client::query {
2153 my ($self, $flags, $text, $cb) = @_; 2966 my ($self, $flags, $text, $cb) = @_;
… …
2161 utf8::encode $text; 2974 utf8::encode $text;
2162 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2975 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163 2976
2164 $self->send_packet ($self->{query_queue}[0][0]) 2977 $self->send_packet ($self->{query_queue}[0][0])
2165 if @{ $self->{query_queue} } == 1; 2978 if @{ $self->{query_queue} } == 1;
2979
2980 1
2166} 2981}
2167 2982
2168cf::client->attach ( 2983cf::client->attach (
2984 on_connect => sub {
2985 my ($ns) = @_;
2986
2987 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2988 },
2169 on_reply => sub { 2989 on_reply => sub {
2170 my ($ns, $msg) = @_; 2990 my ($ns, $msg) = @_;
2171 2991
2172 # this weird shuffling is so that direct followup queries 2992 # this weird shuffling is so that direct followup queries
2173 # get handled first 2993 # get handled first
… …
2185 } else { 3005 } else {
2186 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3006 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187 } 3007 }
2188 } 3008 }
2189 }, 3009 },
3010 on_exticmd => sub {
3011 my ($ns, $buf) = @_;
3012
3013 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3014
3015 if (ref $msg) {
3016 my ($type, $reply, @payload) =
3017 "ARRAY" eq ref $msg
3018 ? @$msg
3019 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3020
3021 my @reply;
3022
3023 if (my $cb = $EXTICMD{$type}) {
3024 @reply = $cb->($ns, @payload);
3025 }
3026
3027 $ns->ext_reply ($reply, @reply)
3028 if $reply;
3029
3030 } else {
3031 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3032 }
3033
3034 cf::override;
3035 },
2190); 3036);
2191 3037
2192=item $client->async (\&cb) 3038=item $client->async (\&cb)
2193 3039
2194Create a new coroutine, running the specified callback. The coroutine will 3040Create a new coroutine, running the specified callback. The coroutine will
… …
2235our $safe = new Safe "safe"; 3081our $safe = new Safe "safe";
2236our $safe_hole = new Safe::Hole; 3082our $safe_hole = new Safe::Hole;
2237 3083
2238$SIG{FPE} = 'IGNORE'; 3084$SIG{FPE} = 'IGNORE';
2239 3085
2240$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3086$safe->permit_only (Opcode::opset qw(
3087 :base_core :base_mem :base_orig :base_math
3088 grepstart grepwhile mapstart mapwhile
3089 sort time
3090));
2241 3091
2242# here we export the classes and methods available to script code 3092# here we export the classes and methods available to script code
2243 3093
2244=pod 3094=pod
2245 3095
2246The following functions and methods are available within a safe environment: 3096The following functions and methods are available within a safe environment:
2247 3097
2248 cf::object contr pay_amount pay_player map 3098 cf::object
3099 contr pay_amount pay_player map x y force_find force_add destroy
3100 insert remove name archname title slaying race decrease split
3101 value
3102
2249 cf::object::player player 3103 cf::object::player
2250 cf::player peaceful 3104 player
2251 cf::map trigger 3105
3106 cf::player
3107 peaceful
3108
3109 cf::map
3110 trigger
2252 3111
2253=cut 3112=cut
2254 3113
2255for ( 3114for (
2256 ["cf::object" => qw(contr pay_amount pay_player map)], 3115 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3116 insert remove inv nrof name archname title slaying race
3117 decrease split destroy change_exp value msg lore send_msg)],
2257 ["cf::object::player" => qw(player)], 3118 ["cf::object::player" => qw(player)],
2258 ["cf::player" => qw(peaceful)], 3119 ["cf::player" => qw(peaceful send_msg)],
2259 ["cf::map" => qw(trigger)], 3120 ["cf::map" => qw(trigger)],
2260) { 3121) {
2261 no strict 'refs'; 3122 no strict 'refs';
2262 my ($pkg, @funs) = @$_; 3123 my ($pkg, @funs) = @$_;
2263 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3124 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2280 my ($code, %vars) = @_; 3141 my ($code, %vars) = @_;
2281 3142
2282 my $qcode = $code; 3143 my $qcode = $code;
2283 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3144 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2284 $qcode =~ s/\n/\\n/g; 3145 $qcode =~ s/\n/\\n/g;
3146
3147 %vars = (_dummy => 0) unless %vars;
2285 3148
2286 local $_; 3149 local $_;
2287 local @safe::cf::_safe_eval_args = values %vars; 3150 local @safe::cf::_safe_eval_args = values %vars;
2288 3151
2289 my $eval = 3152 my $eval =
… …
2332=back 3195=back
2333 3196
2334=cut 3197=cut
2335 3198
2336############################################################################# 3199#############################################################################
2337
2338=head2 EXTENSION DATABASE SUPPORT
2339
2340Crossfire maintains a very simple database for extension use. It can
2341currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342convert to/from binary).
2343
2344The parameter C<$family> should best start with the name of the extension
2345using it, it should be unique.
2346
2347=over 4
2348
2349=item $value = cf::db_get $family => $key
2350
2351Returns a single value from the database.
2352
2353=item cf::db_put $family => $key => $value
2354
2355Stores the given C<$value> in the family.
2356
2357=cut
2358
2359our $DB;
2360
2361sub db_init {
2362 unless ($DB) {
2363 $DB = BDB::db_create $DB_ENV;
2364
2365 cf::sync_job {
2366 eval {
2367 $DB->set_flags (BDB::CHKSUM);
2368
2369 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371 cf::cleanup "db_open(db): $!" if $!;
2372 };
2373 cf::cleanup "db_open(db): $@" if $@;
2374 };
2375 }
2376}
2377
2378sub db_get($$) {
2379 my $key = "$_[0]/$_[1]";
2380
2381 cf::sync_job {
2382 BDB::db_get $DB, undef, $key, my $data;
2383
2384 $! ? ()
2385 : $data
2386 }
2387}
2388
2389sub db_put($$$) {
2390 BDB::dbreq_pri 4;
2391 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392}
2393
2394=item cf::cache $id => [$paths...], $processversion => $process
2395
2396Generic caching function that returns the value of the resource $id,
2397caching and regenerating as required.
2398
2399This function can block.
2400
2401=cut
2402
2403sub cache {
2404 my ($id, $src, $processversion, $process) = @_;
2405
2406 my $meta =
2407 join "\x00",
2408 $processversion,
2409 map {
2410 aio_stat $_
2411 and Carp::croak "$_: $!";
2412
2413 ($_, (stat _)[7,9])
2414 } @$src;
2415
2416 my $dbmeta = db_get cache => "$id/meta";
2417 if ($dbmeta ne $meta) {
2418 # changed, we may need to process
2419
2420 my @data;
2421 my $md5;
2422
2423 for (0 .. $#$src) {
2424 0 <= aio_load $src->[$_], $data[$_]
2425 or Carp::croak "$src->[$_]: $!";
2426 }
2427
2428 # if processing is expensive, check
2429 # checksum first
2430 if (1) {
2431 $md5 =
2432 join "\x00",
2433 $processversion,
2434 map {
2435 Coro::cede;
2436 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2437 } 0.. $#$src;
2438
2439
2440 my $dbmd5 = db_get cache => "$id/md5";
2441 if ($dbmd5 eq $md5) {
2442 db_put cache => "$id/meta", $meta;
2443
2444 return db_get cache => "$id/data";
2445 }
2446 }
2447
2448 my $t1 = Time::HiRes::time;
2449 my $data = $process->(\@data);
2450 my $t2 = Time::HiRes::time;
2451
2452 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454 db_put cache => "$id/data", $data;
2455 db_put cache => "$id/md5" , $md5;
2456 db_put cache => "$id/meta", $meta;
2457
2458 return $data;
2459 }
2460
2461 db_get cache => "$id/data"
2462}
2463
2464=item fork_call { }, $args
2465
2466Executes the given code block with the given arguments in a seperate
2467process, returning the results. Everything must be serialisable with
2468Coro::Storable. May, of course, block. Note that the executed sub may
2469never block itself or use any form of Event handling.
2470
2471=cut
2472
2473sub fork_call(&@) {
2474 my ($cb, @args) = @_;
2475
2476# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477# or die "socketpair: $!";
2478 pipe my $fh1, my $fh2
2479 or die "pipe: $!";
2480
2481 if (my $pid = fork) {
2482 close $fh2;
2483
2484 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485 $res = Coro::Storable::thaw $res;
2486
2487 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489 die $$res unless "ARRAY" eq ref $res;
2490
2491 return wantarray ? @$res : $res->[-1];
2492 } else {
2493 reset_signals;
2494 local $SIG{__WARN__};
2495 local $SIG{__DIE__};
2496 eval {
2497 close $fh1;
2498
2499 my @res = eval { $cb->(@args) };
2500 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501 };
2502
2503 warn $@ if $@;
2504 _exit 0;
2505 }
2506}
2507
2508
2509
2510#############################################################################
2511# the server's init and main functions 3200# the server's init and main functions
2512 3201
2513sub load_facedata($) { 3202sub load_facedata($) {
2514 my ($path) = @_; 3203 my ($path) = @_;
3204
3205 # HACK to clear player env face cache, we need some signal framework
3206 # for this (global event?)
3207 %ext::player_env::MUSIC_FACE_CACHE = ();
3208
3209 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515 3210
2516 warn "loading facedata from $path\n"; 3211 warn "loading facedata from $path\n";
2517 3212
2518 my $facedata; 3213 my $facedata;
2519 0 < aio_load $path, $facedata 3214 0 < aio_load $path, $facedata
… …
2522 $facedata = Coro::Storable::thaw $facedata; 3217 $facedata = Coro::Storable::thaw $facedata;
2523 3218
2524 $facedata->{version} == 2 3219 $facedata->{version} == 2
2525 or cf::cleanup "$path: version mismatch, cannot proceed."; 3220 or cf::cleanup "$path: version mismatch, cannot proceed.";
2526 3221
3222 # patch in the exptable
3223 $facedata->{resource}{"res/exp_table"} = {
3224 type => FT_RSRC,
3225 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3226 };
3227 cf::cede_to_tick;
3228
2527 { 3229 {
2528 my $faces = $facedata->{faceinfo}; 3230 my $faces = $facedata->{faceinfo};
2529 3231
2530 while (my ($face, $info) = each %$faces) { 3232 while (my ($face, $info) = each %$faces) {
2531 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3233 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3234
2532 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3235 cf::face::set_visibility $idx, $info->{visibility};
3236 cf::face::set_magicmap $idx, $info->{magicmap};
2533 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3237 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3238 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535 Coro::cede; 3239
3240 cf::cede_to_tick;
2536 } 3241 }
2537 3242
2538 while (my ($face, $info) = each %$faces) { 3243 while (my ($face, $info) = each %$faces) {
2539 next unless $info->{smooth}; 3244 next unless $info->{smooth};
3245
2540 my $idx = cf::face::find $face 3246 my $idx = cf::face::find $face
2541 or next; 3247 or next;
3248
2542 if (my $smooth = cf::face::find $info->{smooth}) { 3249 if (my $smooth = cf::face::find $info->{smooth}) {
3250 cf::face::set_smooth $idx, $smooth;
2543 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3251 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544 } else { 3252 } else {
2545 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3253 warn "smooth face '$info->{smooth}' not found for face '$face'";
2546 } 3254 }
2547 Coro::cede; 3255
3256 cf::cede_to_tick;
2548 } 3257 }
2549 } 3258 }
2550 3259
2551 { 3260 {
2552 my $anims = $facedata->{animinfo}; 3261 my $anims = $facedata->{animinfo};
2553 3262
2554 while (my ($anim, $info) = each %$anims) { 3263 while (my ($anim, $info) = each %$anims) {
2555 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3264 cf::anim::set $anim, $info->{frames}, $info->{facings};
2556 Coro::cede; 3265 cf::cede_to_tick;
2557 } 3266 }
2558 3267
2559 cf::anim::invalidate_all; # d'oh 3268 cf::anim::invalidate_all; # d'oh
2560 } 3269 }
2561 3270
3271 {
3272 # TODO: for gcfclient pleasure, we should give resources
3273 # that gcfclient doesn't grok a >10000 face index.
3274 my $res = $facedata->{resource};
3275
3276 while (my ($name, $info) = each %$res) {
3277 if (defined $info->{type}) {
3278 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3279 my $data;
3280
3281 if ($info->{type} & 1) {
3282 # prepend meta info
3283
3284 my $meta = $enc->encode ({
3285 name => $name,
3286 %{ $info->{meta} || {} },
3287 });
3288
3289 $data = pack "(w/a*)*", $meta, $info->{data};
3290 } else {
3291 $data = $info->{data};
3292 }
3293
3294 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3295 cf::face::set_type $idx, $info->{type};
3296 } else {
3297 $RESOURCE{$name} = $info;
3298 }
3299
3300 cf::cede_to_tick;
3301 }
3302 }
3303
3304 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3305
2562 1 3306 1
2563} 3307}
2564 3308
3309cf::global->attach (on_resource_update => sub {
3310 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3311 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3312
3313 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3314 my $sound = $soundconf->{compat}[$_]
3315 or next;
3316
3317 my $face = cf::face::find "sound/$sound->[1]";
3318 cf::sound::set $sound->[0] => $face;
3319 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3320 }
3321
3322 while (my ($k, $v) = each %{$soundconf->{event}}) {
3323 my $face = cf::face::find "sound/$v";
3324 cf::sound::set $k => $face;
3325 }
3326 }
3327});
3328
3329register_exticmd fx_want => sub {
3330 my ($ns, $want) = @_;
3331
3332 while (my ($k, $v) = each %$want) {
3333 $ns->fx_want ($k, $v);
3334 }
3335};
3336
3337sub load_resource_file($) {
3338 my $guard = lock_acquire "load_resource_file";
3339
3340 my $status = load_resource_file_ $_[0];
3341 get_slot 0.1, 100;
3342 cf::arch::commit_load;
3343
3344 $status
3345}
3346
2565sub reload_regions { 3347sub reload_regions {
3348 # HACK to clear player env face cache, we need some signal framework
3349 # for this (global event?)
3350 %ext::player_env::MUSIC_FACE_CACHE = ();
3351
2566 load_resource_file "$MAPDIR/regions" 3352 load_resource_file "$MAPDIR/regions"
2567 or die "unable to load regions file\n"; 3353 or die "unable to load regions file\n";
3354
3355 for (cf::region::list) {
3356 $_->{match} = qr/$_->{match}/
3357 if exists $_->{match};
3358 }
2568} 3359}
2569 3360
2570sub reload_facedata { 3361sub reload_facedata {
2571 load_facedata "$DATADIR/facedata" 3362 load_facedata "$DATADIR/facedata"
2572 or die "unable to load facedata\n"; 3363 or die "unable to load facedata\n";
… …
2583} 3374}
2584 3375
2585sub reload_resources { 3376sub reload_resources {
2586 warn "reloading resource files...\n"; 3377 warn "reloading resource files...\n";
2587 3378
2588 reload_regions;
2589 reload_facedata; 3379 reload_facedata;
2590 reload_archetypes; 3380 reload_archetypes;
3381 reload_regions;
2591 reload_treasures; 3382 reload_treasures;
2592 3383
2593 warn "finished reloading resource files\n"; 3384 warn "finished reloading resource files\n";
2594} 3385}
2595 3386
2596sub init { 3387sub reload_config {
2597 reload_resources;
2598}
2599
2600sub cfg_load {
2601 open my $fh, "<:utf8", "$CONFDIR/config" 3388 open my $fh, "<:utf8", "$CONFDIR/config"
2602 or return; 3389 or return;
2603 3390
2604 local $/; 3391 local $/;
2605 *CFG = YAML::Syck::Load <$fh>; 3392 *CFG = YAML::XS::Load <$fh>;
2606 3393
2607 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3394 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608 3395
2609 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3396 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3397 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2616 }; 3403 };
2617 warn $@ if $@; 3404 warn $@ if $@;
2618 } 3405 }
2619} 3406}
2620 3407
3408sub pidfile() {
3409 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3410 or die "$PIDFILE: $!";
3411 flock $fh, &Fcntl::LOCK_EX
3412 or die "$PIDFILE: flock: $!";
3413 $fh
3414}
3415
3416# make sure only one server instance is running at any one time
3417sub atomic {
3418 my $fh = pidfile;
3419
3420 my $pid = <$fh>;
3421 kill 9, $pid if $pid > 0;
3422
3423 seek $fh, 0, 0;
3424 print $fh $$;
3425}
3426
3427sub main_loop {
3428 warn "EV::loop starting\n";
3429 if (1) {
3430 EV::loop;
3431 }
3432 warn "EV::loop returned\n";
3433 goto &main_loop unless $REALLY_UNLOOP;
3434}
3435
2621sub main { 3436sub main {
3437 cf::init_globals; # initialise logging
3438
3439 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3440 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3441 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3442 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3443
3444 cf::init_experience;
3445 cf::init_anim;
3446 cf::init_attackmess;
3447 cf::init_dynamic;
3448
3449 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3450
2622 # we must not ever block the main coroutine 3451 # we must not ever block the main coroutine
2623 local $Coro::idle = sub { 3452 local $Coro::idle = sub {
2624 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3453 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625 (async { 3454 (async {
2626 Event::one_event; 3455 $Coro::current->{desc} = "IDLE BUG HANDLER";
3456 EV::loop EV::LOOP_ONESHOT;
2627 })->prio (Coro::PRIO_MAX); 3457 })->prio (Coro::PRIO_MAX);
2628 }; 3458 };
2629 3459
2630 cfg_load; 3460 evthread_start IO::AIO::poll_fileno;
3461
3462 cf::sync_job {
3463 reload_resources;
3464 reload_config;
2631 db_init; 3465 db_init;
3466
3467 cf::load_settings;
3468 cf::load_materials;
3469 cf::init_uuid;
3470 cf::init_signals;
3471 cf::init_commands;
3472 cf::init_skills;
3473
3474 cf::init_beforeplay;
3475
3476 atomic;
3477
2632 load_extensions; 3478 load_extensions;
2633 3479
2634 $TICK_WATCHER->start; 3480 utime time, time, $RUNTIMEFILE;
2635 Event::loop; 3481
3482 # no (long-running) fork's whatsoever before this point(!)
3483 use POSIX ();
3484 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3485
3486 (pop @POST_INIT)->(0) while @POST_INIT;
3487 };
3488
3489 main_loop;
2636} 3490}
2637 3491
2638############################################################################# 3492#############################################################################
2639# initialisation and cleanup 3493# initialisation and cleanup
2640 3494
2641# install some emergency cleanup handlers 3495# install some emergency cleanup handlers
2642BEGIN { 3496BEGIN {
3497 our %SIGWATCHER = ();
2643 for my $signal (qw(INT HUP TERM)) { 3498 for my $signal (qw(INT HUP TERM)) {
2644 Event->signal ( 3499 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2645 reentrant => 0,
2646 data => WF_AUTOCANCEL,
2647 signal => $signal,
2648 prio => 0,
2649 cb => sub {
2650 cf::cleanup "SIG$signal"; 3500 cf::cleanup "SIG$signal";
2651 },
2652 ); 3501 };
3502 }
3503}
3504
3505sub write_runtime_sync {
3506 # first touch the runtime file to show we are still running:
3507 # the fsync below can take a very very long time.
3508
3509 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3510
3511 my $guard = cf::lock_acquire "write_runtime";
3512
3513 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3514 or return;
3515
3516 my $value = $cf::RUNTIME + 90 + 10;
3517 # 10 is the runtime save interval, for a monotonic clock
3518 # 60 allows for the watchdog to kill the server.
3519
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return;
3522
3523 # always fsync - this file is important
3524 aio_fsync $fh
3525 and return;
3526
3527 # touch it again to show we are up-to-date
3528 aio_utime $fh, undef, undef;
3529
3530 close $fh
3531 or return;
3532
3533 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3534 and return;
3535
3536 warn "runtime file written.\n";
3537
2653 } 3538 1
3539}
3540
3541our $uuid_lock;
3542our $uuid_skip;
3543
3544sub write_uuid_sync($) {
3545 $uuid_skip ||= $_[0];
3546
3547 return if $uuid_lock;
3548 local $uuid_lock = 1;
3549
3550 my $uuid = "$LOCALDIR/uuid";
3551
3552 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3553 or return;
3554
3555 my $value = uuid_seq uuid_cur;
3556
3557 unless ($value) {
3558 warn "cowardly refusing to write zero uuid value!\n";
3559 return;
3560 }
3561
3562 my $value = uuid_str $value + $uuid_skip;
3563 $uuid_skip = 0;
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 close $fh
3573 or return;
3574
3575 aio_rename "$uuid~", $uuid
3576 and return;
3577
3578 warn "uuid file written ($value).\n";
3579
3580 1
3581
3582}
3583
3584sub write_uuid($$) {
3585 my ($skip, $sync) = @_;
3586
3587 $sync ? write_uuid_sync $skip
3588 : async { write_uuid_sync $skip };
2654} 3589}
2655 3590
2656sub emergency_save() { 3591sub emergency_save() {
2657 my $freeze_guard = cf::freeze_mainloop; 3592 my $freeze_guard = cf::freeze_mainloop;
2658 3593
2659 warn "enter emergency perl save\n"; 3594 warn "emergency_perl_save: enter\n";
2660 3595
2661 cf::sync_job { 3596 cf::sync_job {
3597 # this is a trade-off: we want to be very quick here, so
3598 # save all maps without fsync, and later call a global sync
3599 # (which in turn might be very very slow)
3600 local $USE_FSYNC = 0;
3601
2662 # use a peculiar iteration method to avoid tripping on perl 3602 # use a peculiar iteration method to avoid tripping on perl
2663 # refcount bugs in for. also avoids problems with players 3603 # refcount bugs in for. also avoids problems with players
2664 # and maps saved/destroyed asynchronously. 3604 # and maps saved/destroyed asynchronously.
2665 warn "begin emergency player save\n"; 3605 warn "emergency_perl_save: begin player save\n";
2666 for my $login (keys %cf::PLAYER) { 3606 for my $login (keys %cf::PLAYER) {
2667 my $pl = $cf::PLAYER{$login} or next; 3607 my $pl = $cf::PLAYER{$login} or next;
2668 $pl->valid or next; 3608 $pl->valid or next;
3609 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669 $pl->save; 3610 $pl->save;
2670 } 3611 }
2671 warn "end emergency player save\n"; 3612 warn "emergency_perl_save: end player save\n";
2672 3613
2673 warn "begin emergency map save\n"; 3614 warn "emergency_perl_save: begin map save\n";
2674 for my $path (keys %cf::MAP) { 3615 for my $path (keys %cf::MAP) {
2675 my $map = $cf::MAP{$path} or next; 3616 my $map = $cf::MAP{$path} or next;
2676 $map->valid or next; 3617 $map->valid or next;
2677 $map->save; 3618 $map->save;
2678 } 3619 }
2679 warn "end emergency map save\n"; 3620 warn "emergency_perl_save: end map save\n";
2680 3621
2681 warn "begin emergency database checkpoint\n"; 3622 warn "emergency_perl_save: begin database checkpoint\n";
2682 BDB::db_env_txn_checkpoint $DB_ENV; 3623 BDB::db_env_txn_checkpoint $DB_ENV;
2683 warn "end emergency database checkpoint\n"; 3624 warn "emergency_perl_save: end database checkpoint\n";
3625
3626 warn "emergency_perl_save: begin write uuid\n";
3627 write_uuid_sync 1;
3628 warn "emergency_perl_save: end write uuid\n";
2684 }; 3629 };
2685 3630
3631 warn "emergency_perl_save: starting sync()\n";
3632 IO::AIO::aio_sync sub {
3633 warn "emergency_perl_save: finished sync()\n";
3634 };
3635
2686 warn "leave emergency perl save\n"; 3636 warn "emergency_perl_save: leave\n";
2687} 3637}
2688 3638
2689sub post_cleanup { 3639sub post_cleanup {
2690 my ($make_core) = @_; 3640 my ($make_core) = @_;
2691 3641
2692 warn Carp::longmess "post_cleanup backtrace" 3642 warn Carp::longmess "post_cleanup backtrace"
2693 if $make_core; 3643 if $make_core;
3644
3645 my $fh = pidfile;
3646 unlink $PIDFILE if <$fh> == $$;
3647}
3648
3649# a safer delete_package, copied from Symbol
3650sub clear_package($) {
3651 my $pkg = shift;
3652
3653 # expand to full symbol table name if needed
3654 unless ($pkg =~ /^main::.*::$/) {
3655 $pkg = "main$pkg" if $pkg =~ /^::/;
3656 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3657 $pkg .= '::' unless $pkg =~ /::$/;
3658 }
3659
3660 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3661 my $stem_symtab = *{$stem}{HASH};
3662
3663 defined $stem_symtab and exists $stem_symtab->{$leaf}
3664 or return;
3665
3666 # clear all symbols
3667 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3668 for my $name (keys %$leaf_symtab) {
3669 _gv_clear *{"$pkg$name"};
3670# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3671 }
3672 warn "cleared package $pkg\n";#d#
2694} 3673}
2695 3674
2696sub do_reload_perl() { 3675sub do_reload_perl() {
2697 # can/must only be called in main 3676 # can/must only be called in main
2698 if ($Coro::current != $Coro::main) { 3677 if ($Coro::current != $Coro::main) {
2699 warn "can only reload from main coroutine"; 3678 warn "can only reload from main coroutine";
2700 return; 3679 return;
2701 } 3680 }
2702 3681
3682 return if $RELOAD++;
3683
3684 my $t1 = EV::time;
3685
3686 while ($RELOAD) {
2703 warn "reloading..."; 3687 warn "reloading...";
2704 3688
2705 warn "entering sync_job"; 3689 warn "entering sync_job";
2706 3690
2707 cf::sync_job { 3691 cf::sync_job {
2708 cf::write_runtime; # external watchdog should not bark 3692 cf::write_runtime_sync; # external watchdog should not bark
2709 cf::emergency_save; 3693 cf::emergency_save;
2710 cf::write_runtime; # external watchdog should not bark 3694 cf::write_runtime_sync; # external watchdog should not bark
2711 3695
2712 warn "syncing database to disk"; 3696 warn "syncing database to disk";
2713 BDB::db_env_txn_checkpoint $DB_ENV; 3697 BDB::db_env_txn_checkpoint $DB_ENV;
2714 3698
2715 # if anything goes wrong in here, we should simply crash as we already saved 3699 # if anything goes wrong in here, we should simply crash as we already saved
2716 3700
2717 warn "cancelling all WF_AUTOCANCEL watchers";
2718 for (Event::all_watchers) {
2719 $_->cancel if $_->data & WF_AUTOCANCEL;
2720 }
2721
2722 warn "flushing outstanding aio requests"; 3701 warn "flushing outstanding aio requests";
2723 for (;;) {
2724 BDB::flush;
2725 IO::AIO::flush;
2726 Coro::cede;
2727 last unless IO::AIO::nreqs || BDB::nreqs; 3702 while (IO::AIO::nreqs || BDB::nreqs) {
2728 warn "iterate..."; 3703 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2729 }
2730
2731 ++$RELOAD;
2732
2733 warn "cancelling all extension coros";
2734 $_->cancel for values %EXT_CORO;
2735 %EXT_CORO = ();
2736
2737 warn "removing commands";
2738 %COMMAND = ();
2739
2740 warn "removing ext commands";
2741 %EXTCMD = ();
2742
2743 warn "unloading/nuking all extensions";
2744 for my $pkg (@EXTS) {
2745 warn "... unloading $pkg";
2746
2747 if (my $cb = $pkg->can ("unload")) {
2748 eval {
2749 $cb->($pkg);
2750 1
2751 } or warn "$pkg unloaded, but with errors: $@";
2752 } 3704 }
2753 3705
2754 warn "... nuking $pkg"; 3706 warn "cancelling all extension coros";
2755 Symbol::delete_package $pkg; 3707 $_->cancel for values %EXT_CORO;
2756 } 3708 %EXT_CORO = ();
2757 3709
2758 warn "unloading all perl modules loaded from $LIBDIR"; 3710 warn "removing commands";
2759 while (my ($k, $v) = each %INC) { 3711 %COMMAND = ();
2760 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2761 3712
3713 warn "removing ext/exti commands";
3714 %EXTCMD = ();
3715 %EXTICMD = ();
3716
3717 warn "unloading/nuking all extensions";
3718 for my $pkg (@EXTS) {
2762 warn "... unloading $k"; 3719 warn "... unloading $pkg";
2763 delete $INC{$k};
2764 3720
2765 $k =~ s/\.pm$//;
2766 $k =~ s/\//::/g;
2767
2768 if (my $cb = $k->can ("unload_module")) { 3721 if (my $cb = $pkg->can ("unload")) {
3722 eval {
2769 $cb->(); 3723 $cb->($pkg);
3724 1
3725 } or warn "$pkg unloaded, but with errors: $@";
3726 }
3727
3728 warn "... clearing $pkg";
3729 clear_package $pkg;
2770 } 3730 }
2771 3731
2772 Symbol::delete_package $k; 3732 warn "unloading all perl modules loaded from $LIBDIR";
3733 while (my ($k, $v) = each %INC) {
3734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3735
3736 warn "... unloading $k";
3737 delete $INC{$k};
3738
3739 $k =~ s/\.pm$//;
3740 $k =~ s/\//::/g;
3741
3742 if (my $cb = $k->can ("unload_module")) {
3743 $cb->();
3744 }
3745
3746 clear_package $k;
2773 } 3747 }
2774 3748
2775 warn "getting rid of safe::, as good as possible"; 3749 warn "getting rid of safe::, as good as possible";
2776 Symbol::delete_package "safe::$_" 3750 clear_package "safe::$_"
2777 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2778 3752
2779 warn "unloading cf.pm \"a bit\""; 3753 warn "unloading cf.pm \"a bit\"";
2780 delete $INC{"cf.pm"}; 3754 delete $INC{"cf.pm"};
2781 delete $INC{"cf/pod.pm"}; 3755 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2782 3756
2783 # don't, removes xs symbols, too, 3757 # don't, removes xs symbols, too,
2784 # and global variables created in xs 3758 # and global variables created in xs
2785 #Symbol::delete_package __PACKAGE__; 3759 #clear_package __PACKAGE__;
2786 3760
2787 warn "unload completed, starting to reload now"; 3761 warn "unload completed, starting to reload now";
2788 3762
2789 warn "reloading cf.pm"; 3763 warn "reloading cf.pm";
2790 require cf; 3764 require cf;
2791 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3765 cf::_connect_to_perl_1;
2792 3766
2793 warn "loading config and database again"; 3767 warn "loading config and database again";
2794 cf::cfg_load; 3768 cf::reload_config;
2795 3769
2796 warn "loading extensions"; 3770 warn "loading extensions";
2797 cf::load_extensions; 3771 cf::load_extensions;
2798 3772
3773 if ($REATTACH_ON_RELOAD) {
2799 warn "reattaching attachments to objects/players"; 3774 warn "reattaching attachments to objects/players";
2800 _global_reattach; # objects, sockets 3775 _global_reattach; # objects, sockets
2801 warn "reattaching attachments to maps"; 3776 warn "reattaching attachments to maps";
2802 reattach $_ for values %MAP; 3777 reattach $_ for values %MAP;
2803 warn "reattaching attachments to players"; 3778 warn "reattaching attachments to players";
2804 reattach $_ for values %PLAYER; 3779 reattach $_ for values %PLAYER;
3780 }
2805 3781
3782 warn "running post_init jobs";
3783 (pop @POST_INIT)->(1) while @POST_INIT;
3784
2806 warn "leaving sync_job"; 3785 warn "leaving sync_job";
2807 3786
2808 1 3787 1
2809 } or do { 3788 } or do {
2810 warn $@; 3789 warn $@;
2811 warn "error while reloading, exiting."; 3790 cf::cleanup "error while reloading, exiting.";
2812 exit 1;
2813 }; 3791 };
2814 3792
2815 warn "reloaded"; 3793 warn "reloaded";
3794 --$RELOAD;
3795 }
3796
3797 $t1 = EV::time - $t1;
3798 warn "reload completed in ${t1}s\n";
2816}; 3799};
2817 3800
2818our $RELOAD_WATCHER; # used only during reload 3801our $RELOAD_WATCHER; # used only during reload
2819 3802
2820sub reload_perl() { 3803sub reload_perl() {
2821 # doing reload synchronously and two reloads happen back-to-back, 3804 # doing reload synchronously and two reloads happen back-to-back,
2822 # coro crashes during coro_state_free->destroy here. 3805 # coro crashes during coro_state_free->destroy here.
2823 3806
2824 $RELOAD_WATCHER ||= Event->timer ( 3807 $RELOAD_WATCHER ||= cf::async {
2825 reentrant => 0, 3808 Coro::AIO::aio_wait cache_extensions;
2826 after => 0, 3809
2827 data => WF_AUTOCANCEL, 3810 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2828 cb => sub {
2829 do_reload_perl; 3811 do_reload_perl;
2830 undef $RELOAD_WATCHER; 3812 undef $RELOAD_WATCHER;
2831 }, 3813 };
2832 ); 3814 };
2833} 3815}
2834 3816
2835register_command "reload" => sub { 3817register_command "reload" => sub {
2836 my ($who, $arg) = @_; 3818 my ($who, $arg) = @_;
2837 3819
2838 if ($who->flag (FLAG_WIZ)) { 3820 if ($who->flag (FLAG_WIZ)) {
2839 $who->message ("reloading server."); 3821 $who->message ("reloading server.");
3822 async {
3823 $Coro::current->{desc} = "perl_reload";
2840 async { reload_perl }; 3824 reload_perl;
3825 };
2841 } 3826 }
2842}; 3827};
2843 3828
2844unshift @INC, $LIBDIR; 3829unshift @INC, $LIBDIR;
2845 3830
… …
2847 3832
2848our @WAIT_FOR_TICK; 3833our @WAIT_FOR_TICK;
2849our @WAIT_FOR_TICK_BEGIN; 3834our @WAIT_FOR_TICK_BEGIN;
2850 3835
2851sub wait_for_tick { 3836sub wait_for_tick {
2852 return unless $TICK_WATCHER->is_active;
2853 return if $Coro::current == $Coro::main; 3837 return if tick_inhibit || $Coro::current == $Coro::main;
2854 3838
2855 my $signal = new Coro::Signal; 3839 my $signal = new Coro::Signal;
2856 push @WAIT_FOR_TICK, $signal; 3840 push @WAIT_FOR_TICK, $signal;
2857 $signal->wait; 3841 $signal->wait;
2858} 3842}
2859 3843
2860sub wait_for_tick_begin { 3844sub wait_for_tick_begin {
2861 return unless $TICK_WATCHER->is_active;
2862 return if $Coro::current == $Coro::main; 3845 return if tick_inhibit || $Coro::current == $Coro::main;
2863 3846
2864 my $signal = new Coro::Signal; 3847 my $signal = new Coro::Signal;
2865 push @WAIT_FOR_TICK_BEGIN, $signal; 3848 push @WAIT_FOR_TICK_BEGIN, $signal;
2866 $signal->wait; 3849 $signal->wait;
2867} 3850}
2868 3851
2869 my $min = 1e6;#d# 3852sub tick {
2870 my $avg = 10;
2871$TICK_WATCHER = Event->timer (
2872 reentrant => 0,
2873 parked => 1,
2874 prio => 0,
2875 at => $NEXT_TICK || $TICK,
2876 data => WF_AUTOCANCEL,
2877 cb => sub {
2878 if ($Coro::current != $Coro::main) { 3853 if ($Coro::current != $Coro::main) {
2879 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880 unless ++$bug_warning > 10; 3855 unless ++$bug_warning > 10;
2881 return; 3856 return;
2882 } 3857 }
2883 3858
2884 $NOW = $tick_start = Event::time;
2885
2886 cf::server_tick; # one server iteration 3859 cf::server_tick; # one server iteration
2887 3860
2888 0 && sync_job {#d# 3861 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 for(1..10) { 3862 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890 my $t = Event::time; 3863 Coro::async_pool {
2891 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3864 $Coro::current->{desc} = "runtime saver";
2892 or die; 3865 write_runtime_sync
2893 3866 or warn "ERROR: unable to write runtime file: $!";
2894 $map->width (50);
2895 $map->height (50);
2896 $map->alloc;
2897 $map->_load_objects ("/tmp/x.map", 1);
2898 my $t = Event::time - $t;
2899
2900 #next unless $t < 0.0013;#d#
2901 if ($t < $min) {
2902 $min = $t;
2903 }
2904 $avg = $avg * 0.99 + $t * 0.01;
2905 }
2906 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907 exit 0;
2908 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909 }; 3867 };
3868 }
2910 3869
2911 $RUNTIME += $TICK;
2912 $NEXT_TICK += $TICK;
2913
2914 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915 $NEXT_RUNTIME_WRITE = $NOW + 10;
2916 Coro::async_pool {
2917 write_runtime
2918 or warn "ERROR: unable to write runtime file: $!";
2919 };
2920 }
2921
2922# my $AFTER = Event::time;
2923# warn $AFTER - $NOW;#d#
2924
2925 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3870 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926 $sig->send; 3871 $sig->send;
2927 } 3872 }
2928 while (my $sig = shift @WAIT_FOR_TICK) { 3873 while (my $sig = shift @WAIT_FOR_TICK) {
2929 $sig->send; 3874 $sig->send;
2930 } 3875 }
2931 3876
2932 $NOW = Event::time; 3877 $LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934 # if we are delayed by four ticks or more, skip them all
2935 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937 $TICK_WATCHER->at ($NEXT_TICK);
2938 $TICK_WATCHER->start;
2939
2940 $LOAD = ($NOW - $tick_start) / $TICK;
2941 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3878 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942 3879
2943 _post_tick; 3880 if (0) {
2944 3881 if ($NEXT_TICK) {
2945 3882 my $jitter = $TICK_START - $NEXT_TICK;
3883 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3884 warn "jitter $JITTER\n";#d#
3885 }
2946 }, 3886 }
2947); 3887}
2948 3888
2949{ 3889{
2950 BDB::max_poll_time $TICK * 0.1; 3890 # configure BDB
2951 $BDB_POLL_WATCHER = Event->io ( 3891
2952 reentrant => 0,
2953 fd => BDB::poll_fileno,
2954 poll => 'r',
2955 prio => 0,
2956 data => WF_AUTOCANCEL,
2957 cb => \&BDB::poll_cb,
2958 );
2959 BDB::min_parallel 8; 3892 BDB::min_parallel 8;
2960 3893 BDB::max_poll_reqs $TICK * 0.1;
2961 BDB::set_sync_prepare { 3894 $AnyEvent::BDB::WATCHER->priority (1);
2962 my $status;
2963 my $current = $Coro::current;
2964 (
2965 sub {
2966 $status = $!;
2967 $current->ready; undef $current;
2968 },
2969 sub {
2970 Coro::schedule while defined $current;
2971 $! = $status;
2972 },
2973 )
2974 };
2975 3895
2976 unless ($DB_ENV) { 3896 unless ($DB_ENV) {
2977 $DB_ENV = BDB::db_env_create; 3897 $DB_ENV = BDB::db_env_create;
3898 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3899 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3900 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3901 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3902 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978 3903
2979 cf::sync_job { 3904 cf::sync_job {
2980 eval { 3905 eval {
2981 BDB::db_env_open 3906 BDB::db_env_open
2982 $DB_ENV, 3907 $DB_ENV,
… …
2984 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3909 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3910 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986 0666; 3911 0666;
2987 3912
2988 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3913 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991 $DB_ENV->set_lk_detect;
2992 }; 3914 };
2993 3915
2994 cf::cleanup "db_env_open(db): $@" if $@; 3916 cf::cleanup "db_env_open(db): $@" if $@;
2995 }; 3917 };
2996 } 3918 }
3919
3920 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3921 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3922 };
3923 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3924 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3925 };
3926 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3927 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3928 };
2997} 3929}
2998 3930
2999{ 3931{
3932 # configure IO::AIO
3933
3000 IO::AIO::min_parallel 8; 3934 IO::AIO::min_parallel 8;
3001
3002 undef $Coro::AIO::WATCHER;
3003 IO::AIO::max_poll_time $TICK * 0.1; 3935 IO::AIO::max_poll_time $TICK * 0.1;
3004 $AIO_POLL_WATCHER = Event->io ( 3936 undef $AnyEvent::AIO::WATCHER;
3005 reentrant => 0,
3006 data => WF_AUTOCANCEL,
3007 fd => IO::AIO::poll_fileno,
3008 poll => 'r',
3009 prio => 6,
3010 cb => \&IO::AIO::poll_cb,
3011 );
3012} 3937}
3013 3938
3014my $_log_backtrace; 3939my $_log_backtrace;
3015 3940
3016sub _log_backtrace { 3941sub _log_backtrace {
… …
3019 $msg =~ s/\n//; 3944 $msg =~ s/\n//;
3020 3945
3021 # limit the # of concurrent backtraces 3946 # limit the # of concurrent backtraces
3022 if ($_log_backtrace < 2) { 3947 if ($_log_backtrace < 2) {
3023 ++$_log_backtrace; 3948 ++$_log_backtrace;
3949 my $perl_bt = Carp::longmess $msg;
3024 async { 3950 async {
3951 $Coro::current->{desc} = "abt $msg";
3952
3025 my @bt = fork_call { 3953 my @bt = fork_call {
3026 @addr = map { sprintf "%x", $_ } @addr; 3954 @addr = map { sprintf "%x", $_ } @addr;
3027 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3955 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3956 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029 or die "addr2line: $!"; 3957 or die "addr2line: $!";
… …
3037 } 3965 }
3038 3966
3039 @funcs 3967 @funcs
3040 }; 3968 };
3041 3969
3042 LOG llevInfo, "[ABT] $msg\n"; 3970 LOG llevInfo, "[ABT] $perl_bt\n";
3971 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3043 LOG llevInfo, "[ABT] $_\n" for @bt; 3972 LOG llevInfo, "[ABT] $_\n" for @bt;
3044 --$_log_backtrace; 3973 --$_log_backtrace;
3045 }; 3974 };
3046 } else { 3975 } else {
3047 LOG llevInfo, "[ABT] $msg\n"; 3976 LOG llevInfo, "[ABT] $msg\n";
3048 LOG llevInfo, "[ABT] [suppressed]\n"; 3977 LOG llevInfo, "[ABT] [suppressed]\n";
3049 } 3978 }
3050} 3979}
3051 3980
3052# load additional modules 3981# load additional modules
3053use cf::pod; 3982require "cf/$_.pm" for @EXTRA_MODULES;
3983cf::_connect_to_perl_2;
3054 3984
3055END { cf::emergency_save } 3985END { cf::emergency_save }
3056 3986
30571 39871
3058 3988

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