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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.492 by root, Mon Oct 26 01:22:34 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
14 37
38use Guard ();
15use Coro 3.61 (); 39use Coro ();
16use Coro::State; 40use Coro::State;
17use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
18use Coro::Event; 43use Coro::AnyEvent;
19use Coro::Timer; 44use Coro::Timer;
20use Coro::Signal; 45use Coro::Signal;
21use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
22use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
23use Coro::Storable; 51use Coro::Storable;
52use Coro::Util ();
24 53
54use JSON::XS 2.01 ();
25use BDB (); 55use BDB ();
26use Data::Dumper; 56use Data::Dumper;
27use Digest::MD5; 57use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 276@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
277@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 278@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 279
194# we bless all objects into (empty) derived classes to force a method lookup 280# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 281# within the Safe compartment.
196for my $pkg (qw( 282for my $pkg (qw(
197 cf::global cf::attachable 283 cf::global cf::attachable
198 cf::object cf::object::player 284 cf::object cf::object::player
199 cf::client cf::player 285 cf::client cf::player
200 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
201 cf::map cf::party cf::region 288 cf::party cf::region
202)) { 289)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 291}
206 292
207$Event::DIED = sub { 293$EV::DIED = sub {
208 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
209}; 295};
296
297#############################################################################
210 298
211=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
212 300
213=over 4 301=over 4
214 302
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 322 $d
235 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
236} 324}
237 325
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
241 327
242Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
243 329
244=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
245 331
246Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
247 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
248=item cf::lock_wait $string 355=item cf::lock_wait $string
249 356
250Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
251 358
252=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
253 360
254Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
257returned. 364returned.
258 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
259Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
261 371
262=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
263 373
264Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
265 375
266=cut 376=cut
267 377
268our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
269 379
270sub lock_wait($) { 380sub lock_wait($) {
271 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 382}
279 383
280sub lock_acquire($) { 384sub lock_acquire($) {
281 my ($key) = @_; 385 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 386}
293 387
294sub lock_active($) { 388sub lock_active($) {
295 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 390}
299 391
300sub freeze_mainloop { 392sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
302 394
303 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
305 }; 456 }
306 $TICK_WATCHER->stop; 457};
307 $guard 458
459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
308} 471}
309 472
310=item cf::async { BLOCK } 473=item cf::async { BLOCK }
311 474
312Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
317 480
318BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
319 482
320=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
321 484
322The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
325 489
326If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
329fast or be very important. 493fast or be very important.
… …
332 496
333sub sync_job(&) { 497sub sync_job(&) {
334 my ($job) = @_; 498 my ($job) = @_;
335 499
336 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 501 my $time = EV::time;
338 502
339 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
341 505
342 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 507
344 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
345 509
346 my $busy = 1; 510 my $busy = 1;
347 my @res; 511 my @res;
348 512
349 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 515 @res = eval { $job->() };
351 warn $@ if $@; 516 warn $@ if $@;
352 undef $busy; 517 undef $busy;
353 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
354 519
355 while ($busy) { 520 while ($busy) {
356 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
357 } 525 }
526 }
358 527
359 $time = Event::time - $time; 528 my $time = EV::time - $time;
360 529
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
365 531
366 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
367 } else { 533 } else {
368 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
369 535
… …
389 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
390 556
391 $coro 557 $coro
392} 558}
393 559
394sub write_runtime { 560=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 561
397 # first touch the runtime file to show we are still running: 562Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
399 566
400 IO::AIO::aio_utime $runtime, undef, undef; 567=cut
401 568
402 my $guard = cf::lock_acquire "write_runtime"; 569sub fork_call(&@) {
570 my ($cb, @args) = @_;
403 571
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572 # we seemingly have to make a local copy of the whole thing,
405 or return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
406 575
407 my $value = $cf::RUNTIME + 90 + 10; 576 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 577 reset_signals;
409 # 60 allows for the watchdog to kill the server. 578 &$cb
579 }, @args;
410 580
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 581 wantarray ? @res : $res[-1]
412 and return; 582}
413 583
414 # always fsync - this file is important 584=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 585
418 # touch it again to show we are up-to-date 586=cut
419 aio_utime $fh, undef, undef;
420 587
421 close $fh 588our %coin_alias = (
422 or return; 589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
423 604
424 aio_rename "$runtime~", $runtime 605sub coin_from_name($) {
425 and return; 606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
426 610
427 warn "runtime file written.\n";#d# 611=item $value = cf::db_get $family => $key
428 612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
429 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
430} 736}
431 737
432=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
433 739
434Log a datalog packet of the given type with the given key-value pairs. 740Log a datalog packet of the given type with the given key-value pairs.
… …
446 752
447############################################################################# 753#############################################################################
448 754
449=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
450 756
451Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
452attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
454 760
455In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
456C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 763Deliantra).
458 764
459=over 4 765=over 4
460 766
461=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
462 768
… …
506=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
507 813
508Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
509given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
510 816
511Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
512that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
513 819
514These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
515 821
516=over 4 822=over 4
… …
664 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
665 } 971 }
666 972
667 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
668 } else { 974 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 976 }
671 977
672 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
673} 979}
674 980
… …
714 "; 1020 ";
715 die if $@; 1021 die if $@;
716} 1022}
717 1023
718our $override; 1024our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1026
721sub override { 1027sub override {
722 $override = 1; 1028 $override = 1;
723 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
724} 1030}
725 1031
726sub do_invoke { 1032sub do_invoke {
727 my $event = shift; 1033 my $event = shift;
728 my $callbacks = shift; 1034 my $callbacks = shift;
729 1035
730 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
731 1037
732 local $override; 1038 local $override;
733 1039
734 for (@$callbacks) { 1040 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
744 } 1050 }
745 1051
746 0 1052 0
747} 1053}
748 1054
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1056
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1058
753Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
754 1060
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1064
759=back 1065=back
760 1066
761=cut 1067=cut
762 1068
763############################################################################# 1069#############################################################################
764# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
765 1113
766sub reattach { 1114sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1116 my ($obj) = @_;
769 1117
1118 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1120
772 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
773 1122
774 @$registry = (); 1123 @$registry = ();
775 1124
… …
790cf::attachable->attach ( 1139cf::attachable->attach (
791 prio => -1000000, 1140 prio => -1000000,
792 on_instantiate => sub { 1141 on_instantiate => sub {
793 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
794 1143
795 $data = from_json $data; 1144 $data = decode_json $data;
796 1145
797 for (@$data) { 1146 for (@$data) {
798 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
799 1148
800 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
816sub object_freezer_save { 1165sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
818 1167
819 sync_job { 1168 sync_job {
820 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
823 1173
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1177 if ($cf::USE_FSYNC) {
1178 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1179 aio_fsync $fh;
1180 }
828 close $fh; 1181 aio_close $fh;
829 1182
830 if (@$objs) { 1183 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1188 if ($cf::USE_FSYNC) {
1189 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1190 aio_fsync $fh;
1191 }
836 close $fh; 1192 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
838 } 1194 }
839 } else { 1195 } else {
840 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
841 } 1197 }
842 1198
843 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
844 } else { 1203 } else {
845 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
846 } 1205 }
847 } else { 1206 } else {
848 aio_unlink $filename; 1207 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
850 } 1209 }
851 } 1210 };
852} 1211}
853 1212
854sub object_freezer_as_string { 1213sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
856 1215
… …
868 or return; 1227 or return;
869 1228
870 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
872 or return; 1231 or return;
1232
873 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
874 } 1235 }
875 1236
1237 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
878 return ($data, $av); 1241 ($data, $av)
879} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
880 1249
881############################################################################# 1250#############################################################################
882# command handling &c 1251# command handling &c
883 1252
884=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1267}
899 1268
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1270
902Register a callbackf ro execution when the client sends an extcmd packet. 1271Register a callback for execution when the client sends an (synchronous)
1272extcmd packet. Ext commands will be processed in the order they are
1273received by the server, like other user commands. The first argument is
1274the logged-in player. Ext commands can only be processed after a player
1275has logged in successfully.
903 1276
904If the callback returns something, it is sent back as if reply was being 1277If the callback returns something, it is sent back as if reply was being
905called. 1278called.
906 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
907=cut 1291=cut
908 1292
909sub register_extcmd { 1293sub register_extcmd {
910 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
911 1295
912 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
913} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
914 1306
915cf::player->attach ( 1307cf::player->attach (
916 on_command => sub { 1308 on_command => sub {
917 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
918 1310
… …
926 cf::override; 1318 cf::override;
927 }, 1319 },
928 on_extcmd => sub { 1320 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
930 1322
931 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1324
933 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
939 } else { 1340 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1342 }
942 1343
943 cf::override; 1344 cf::override;
944 }, 1345 },
945); 1346);
946 1347
1348# "readahead" all extensions
947sub load_extension { 1349sub cache_extensions {
948 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
949 1351
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
952 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 } 1355 }
975 die $@;
976 } 1356 };
977 1357
978 push @EXTS, $pkg; 1358 $grp
979} 1359}
980 1360
981sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
982 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1366 next unless -r $path;
984 eval { 1367
985 load_extension $ext; 1368 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1369 my $base = $1;
1370 my $pkg = $1;
1371 $pkg =~ s/[^[:word:]]/_/g;
1372 $pkg = "ext::$pkg";
1373
1374 open my $fh, "<:utf8", $path
1375 or die "$path: $!";
1376
1377 my $source = do { local $/; <$fh> };
1378
1379 my %ext = (
1380 path => $path,
1381 base => $base,
1382 pkg => $pkg,
1383 );
1384
1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1387
1388 $ext{source} =
1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1390 . "#line 1 \"$path\"\n{\n"
1391 . $source
1392 . "\n};\n1";
1393
1394 $todo{$base} = \%ext;
1395 }
1396
1397 my %done;
1398 while (%todo) {
1399 my $progress;
1400
1401 while (my ($k, $v) = each %todo) {
1402 for (split /,\s*/, $v->{meta}{depends}) {
1403 goto skip
1404 unless exists $done{$_};
1405 }
1406
1407 warn "... loading '$k' into '$v->{pkg}'\n";
1408
1409 unless (eval $v->{source}) {
1410 my $msg = $@ ? "$v->{path}: $@\n"
1411 : "$v->{base}: extension inactive.\n";
1412
1413 if (exists $v->{meta}{mandatory}) {
1414 warn $msg;
1415 cf::cleanup "mandatory extension failed to load, exiting.";
1416 }
1417
1418 warn $msg;
1419 }
1420
1421 $done{$k} = delete $todo{$k};
1422 push @EXTS, $v->{pkg};
1423 $progress = 1;
986 1 1424 }
987 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
988 } 1430 };
989} 1431}
990 1432
991############################################################################# 1433#############################################################################
992 1434
1435=back
1436
993=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
994 1438
995Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
996 1440
997=cut 1441=cut
998 1442
999package cf::player; 1443package cf::player;
1000 1444
1001use Coro::AIO; 1445use Coro::AIO;
1002 1446
1003=head3 cf::player 1447=head3 cf::player
1004 1448
1005=over 4 1449=over 4
1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1006 1464
1007=item cf::player::find $login 1465=item cf::player::find $login
1008 1466
1009Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
1010 1468
… …
1029 1487
1030sub exists($) { 1488sub exists($) {
1031 my ($login) = @_; 1489 my ($login) = @_;
1032 1490
1033 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
1034 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1035} 1493}
1036 1494
1037sub find($) { 1495sub find($) {
1038 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1039 my $login = $_[0]; 1497 my $login = $_[0];
… …
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1508
1051 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1054 } 1518 }
1055 } 1519 }
1056} 1520}
1057 1521
… …
1066 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1067 1531
1068 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1070 1534
1535 cf::get_slot 0.01;
1536
1071 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1072 Coro::cede; 1538 cf::cede_to_tick;
1073} 1539}
1074 1540
1075sub new($) { 1541sub new($) {
1076 my ($login) = @_; 1542 my ($login) = @_;
1077 1543
… …
1083 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1084 1550
1085 $self 1551 $self
1086} 1552}
1087 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1088=item $pl->quit_character 1564=item $pl->quit_character
1089 1565
1090Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1092 1568
… …
1096 my ($pl) = @_; 1572 my ($pl) = @_;
1097 1573
1098 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1099 1575
1100 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1578
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1107 1585
1108 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1145 or return []; 1623 or return [];
1146 1624
1147 my @logins; 1625 my @logins;
1148 1626
1149 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1153 1637
1154 utf8::decode $login; 1638 utf8::decode $login;
1155 push @logins, $login; 1639 push @logins, $login;
1156 } 1640 }
1157 1641
… …
1184 } 1668 }
1185 1669
1186 \@paths 1670 \@paths
1187} 1671}
1188 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1189=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1190 1678
1191Sends an ext reply to the player. 1679Sends an ext reply to the player.
1192 1680
1193=cut 1681=cut
1194 1682
1195sub ext_reply($$%) { 1683sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1197 1685
1198 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1687}
1202 1688
1203=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1204 1690
1205Sends an ext event to the client. 1691Sends an ext event to the client.
1206 1692
1207=cut 1693=cut
1208 1694
1209sub ext_event($$%) { 1695sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1211 1697
1212 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1213} 1699}
1214 1700
1215=head3 cf::region 1701=head3 cf::region
1216 1702
1217=over 4 1703=over 4
… …
1220 1706
1221package cf::region; 1707package cf::region;
1222 1708
1223=item cf::region::find_by_path $path 1709=item cf::region::find_by_path $path
1224 1710
1225Tries to decuce the probable region for a map knowing only its path. 1711Tries to decuce the likely region for a map knowing only its path.
1226 1712
1227=cut 1713=cut
1228 1714
1229sub find_by_path($) { 1715sub find_by_path($) {
1230 my ($path) = @_; 1716 my ($path) = @_;
1231 1717
1232 my ($match, $specificity); 1718 my ($match, $specificity);
1233 1719
1234 for my $region (list) { 1720 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1238 } 1724 }
1239 } 1725 }
1240 1726
… …
1261our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1263 1749
1264sub generate_random_map { 1750sub generate_random_map {
1265 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1754
1266 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1756 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1304 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1305 1794
1306 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1307 local $self->{path}; 1796 local $self->{path};
1308 local $self->{load_path}; 1797 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1798
1312 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1313} 1800}
1314 1801
1315sub normalise { 1802sub normalise {
… …
1362 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1363 return $self; 1850 return $self;
1364 } 1851 }
1365 } 1852 }
1366 1853
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1855 ()
1369} 1856}
1370 1857
1371sub init { 1858sub init {
1372 my ($self) = @_; 1859 my ($self) = @_;
… …
1394 1881
1395# the temporary/swap location 1882# the temporary/swap location
1396sub save_path { 1883sub save_path {
1397 my ($self) = @_; 1884 my ($self) = @_;
1398 1885
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1401} 1888}
1402 1889
1403# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1404sub uniq_path { 1891sub uniq_path {
1405 my ($self) = @_; 1892 my ($self) = @_;
1406 1893
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1409} 1896}
1410 1897
1411# and all this just because we cannot iterate over 1898sub decay_objects {
1412# all maps in C++...
1413sub change_all_map_light {
1414 my ($change) = @_; 1899 my ($self) = @_;
1415 1900
1416 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1417 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1418} 1904}
1419 1905
1420sub unlink_save { 1906sub unlink_save {
1421 my ($self) = @_; 1907 my ($self) = @_;
1422 1908
… …
1427 1913
1428sub load_header_from($) { 1914sub load_header_from($) {
1429 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1430 1916
1431 utf8::encode $path; 1917 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1919 or return;
1920
1921 $self->_load_header ($f)
1922 or return;
1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1437 1926
1438 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1439 1928
1440 1 1929 1
1441} 1930}
… …
1480 $self->load_header_orig 1969 $self->load_header_orig
1481 or return; 1970 or return;
1482 $self->prepare_orig; 1971 $self->prepare_orig;
1483 } 1972 }
1484 1973
1974 $self->{deny_reset} = 1
1975 if $self->no_reset;
1976
1485 $self->default_region (cf::region::find_by_path $self->{path}) 1977 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 1978 unless $self->default_region;
1487 1979
1488 1 1980 1
1489} 1981}
… …
1492sub find { 1984sub find {
1493 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1494 1986
1495 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1496 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1498 1991
1499 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1500 my $guard = cf::lock_acquire "map_find:$path";
1501 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1502 or return; 1994 or return;
1503 1995
1504 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1505 1997
1506 $map->load_header 1998 $map->load_header
1507 or return; 1999 or return;
1508 2000
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1512 $map->reset; 2006 $map->reset;
1513 undef $guard;
1514 return find $path; 2007 return find $path;
1515 } 2008 }
1516 2009
1517 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1518 } 2011 }
… …
1527 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1528 2021
1529 my $path = $self->{path}; 2022 my $path = $self->{path};
1530 2023
1531 { 2024 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1533 2026
2027 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2029
1536 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1537 2031
1538 $self->alloc; 2032 $self->alloc;
1539 2033
1540 $self->pre_load; 2034 $self->pre_load;
1541 Coro::cede; 2035 cf::cede_to_tick;
1542 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1544 or return; 2040 or return;
1545 2041
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1547 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1548 2044
1549 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2046 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2049 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1554 } 2053 }
1555 } 2054 }
1556 2055
1557 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1558 # now do the right thing for maps 2059 # now do the right thing for maps
1559 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2062 unless $self->difficulty;
1562 Coro::cede; 2063 cf::cede_to_tick;
1563 2064
1564 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2066 $self->decay_objects;
1566 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1567 $self->update_buttons; 2068 $self->update_buttons;
1568 Coro::cede; 2069 cf::cede_to_tick;
1569 $self->set_darkness_map;
1570 Coro::cede;
1571 $self->activate; 2070 $self->activate;
1572 } 2071 }
1573 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2077 }
1576 2078
1577 $self->post_load; 2079 $self->post_load;
1578} 2080}
1579 2081
… …
1581 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1582 2084
1583 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2086 if $self->per_player;
1585 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1586 $self 2091 $self
1587} 2092}
1588 2093
1589# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2095sub load_neighbours {
1591 my ($map) = @_; 2096 my ($map) = @_;
1592 2097
1593 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1594 2099
1595 for (0 .. 3) { 2100 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1597 or next; 2102 or next;
1598 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1599 or next; 2104 or next;
1600 $neigh->load; 2105 $neigh->load;
1601 2106
2107 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2110 }
1605 2111
1606 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1608 or next; 2115 or next;
1609 $neigh->load; 2116 $neigh->load;
1610 } 2117 }
1611} 2118}
1612 2119
… …
1617} 2124}
1618 2125
1619sub do_load_sync { 2126sub do_load_sync {
1620 my ($map) = @_; 2127 my ($map) = @_;
1621 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1622 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1623} 2133}
1624 2134
1625our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1627 2137
1628sub find_async { 2138sub find_async {
1629 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1630 2140
1631 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1632 2142
1633 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2145 }
1636 2146
1637 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1638 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1639 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2154 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2155 $map->load if $v;
2156 }
1644 2157
1645 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1646 } 2159 }
1647 } 2160 }
1648 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1649 }; 2162 };
1650 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1653} 2166}
1654 2167
1655sub save { 2168sub save {
1656 my ($self) = @_; 2169 my ($self) = @_;
1657 2170
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2172
1660 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1661 2174
1662 return unless $self->dirty; 2175 return unless $self->dirty;
1663 2176
… …
1669 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1670 2183
1671 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1672 2185
1673 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1675 }; 2189 };
2190
2191 cf::get_slot 0.02;
1676 2192
1677 if ($uniq) { 2193 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2196 } else {
… …
1686 my ($self) = @_; 2202 my ($self) = @_;
1687 2203
1688 # save first because save cedes 2204 # save first because save cedes
1689 $self->save; 2205 $self->save;
1690 2206
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2208
1693 return if $self->players; 2209 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1696 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2217 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2218}
1700 2219
1701sub reset_at { 2220sub reset_at {
1702 my ($self) = @_; 2221 my ($self) = @_;
1703 2222
1704 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1707 2225
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2228
… …
1721 my ($self) = @_; 2239 my ($self) = @_;
1722 2240
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2242
1725 return if $self->players; 2243 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2244
1728 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
1729 2246
1730 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1731 2248
1732 # need to save uniques path 2249 # need to save uniques path
1733 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1737 if $uniq; 2254 if $uniq;
1738 } 2255 }
1739 2256
1740 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1741 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2261 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2262
1746 $self->unlink_save; 2263 $self->unlink_save;
1747 $self->destroy; 2264 $self->destroy;
1748} 2265}
1749 2266
1750my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1751 2268
1752sub nuke { 2269sub nuke {
1753 my ($self) = @_; 2270 my ($self) = @_;
1754 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1755 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1756 2276
1757 $self->unlink_save; 2277 $self->unlink_save;
1758 2278
1759 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2284
1765 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1766 2287
1767 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
2289}
2290
2291=item $maps = cf::map::tmp_maps
2292
2293Returns an arrayref with all map paths of currently instantiated and saved
2294maps. May block.
2295
2296=cut
2297
2298sub tmp_maps() {
2299 [
2300 map {
2301 utf8::decode $_;
2302 /\.map$/
2303 ? normalise $_
2304 : ()
2305 } @{ aio_readdir $TMPDIR or [] }
2306 ]
2307}
2308
2309=item $maps = cf::map::random_maps
2310
2311Returns an arrayref with all map paths of currently instantiated and saved
2312random maps. May block.
2313
2314=cut
2315
2316sub random_maps() {
2317 [
2318 map {
2319 utf8::decode $_;
2320 /\.map$/
2321 ? normalise "?random/$_"
2322 : ()
2323 } @{ aio_readdir $RANDOMDIR or [] }
2324 ]
1768} 2325}
1769 2326
1770=item cf::map::unique_maps 2327=item cf::map::unique_maps
1771 2328
1772Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2330instantiated unique items. May block.
1774 2331
1775=cut 2332=cut
1776 2333
1777sub unique_maps() { 2334sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2335 [
1779 or return; 2336 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2337 utf8::decode $_;
1785 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2340 ? ()
1788 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2343 ]
1790
1791 \@paths
1792} 2344}
1793 2345
1794package cf; 2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory excluding F</styles> and F</editor>). May
2350block.
2351
2352=cut
2353
2354sub static_maps() {
2355 my @dirs = "";
2356 my @maps;
2357
2358 while (@dirs) {
2359 my $dir = shift @dirs;
2360
2361 next if $dir eq "/styles" || $dir eq "/editor";
2362
2363 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2364 or return;
2365
2366 for (@$files) {
2367 s/\.map$// or next;
2368 utf8::decode $_;
2369 push @maps, "$dir/$_";
2370 }
2371
2372 push @dirs, map "$dir/$_", @$dirs;
2373 }
2374
2375 \@maps
2376}
1795 2377
1796=back 2378=back
1797 2379
1798=head3 cf::object 2380=head3 cf::object
1799 2381
… …
1803 2385
1804=over 4 2386=over 4
1805 2387
1806=item $ob->inv_recursive 2388=item $ob->inv_recursive
1807 2389
1808Returns the inventory of the object _and_ their inventories, recursively. 2390Returns the inventory of the object I<and> their inventories, recursively,
2391but I<not> the object itself.
1809 2392
1810=cut 2393=cut
1811 2394
1812sub inv_recursive_; 2395sub inv_recursive_;
1813sub inv_recursive_ { 2396sub inv_recursive_ {
… …
1816 2399
1817sub inv_recursive { 2400sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2401 inv_recursive_ inv $_[0]
1819} 2402}
1820 2403
2404=item $ref = $ob->ref
2405
2406Creates and returns a persistent reference to an object that can be stored as a string.
2407
2408=item $ob = cf::object::deref ($refstring)
2409
2410returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2411even if the object actually exists. May block.
2412
2413=cut
2414
2415sub deref {
2416 my ($ref) = @_;
2417
2418 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2419 my ($uuid, $name) = ($1, $2);
2420 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2421 or return;
2422 $pl->ob->uuid eq $uuid
2423 or return;
2424
2425 $pl->ob
2426 } else {
2427 warn "$ref: cannot resolve object reference\n";
2428 undef
2429 }
2430}
2431
1821package cf; 2432package cf;
1822 2433
1823=back 2434=back
1824 2435
1825=head3 cf::object::player 2436=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2442Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2443can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2444dialogue with the given NPC character.
1834 2445
1835=cut 2446=cut
2447
2448our $SAY_CHANNEL = {
2449 id => "say",
2450 title => "Map",
2451 reply => "say ",
2452 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2453};
2454
2455our $CHAT_CHANNEL = {
2456 id => "chat",
2457 title => "Chat",
2458 reply => "chat ",
2459 tooltip => "Player chat and shouts, global to the server.",
2460};
1836 2461
1837# rough implementation of a future "reply" method that works 2462# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2463# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2464#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2465sub cf::object::player::reply($$$;$) {
… …
1842 2467
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2468 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2469
1845 if ($self->{record_replies}) { 2470 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2471 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2472
1847 } else { 2473 } else {
2474 my $pl = $self->contr;
2475
2476 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2477 my $dialog = $pl->{npc_dialog};
2478 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479
2480 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2481 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2482 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483 }
1850 } 2484 }
2485}
2486
2487=item $object->send_msg ($channel, $msg, $color, [extra...])
2488
2489=cut
2490
2491sub cf::object::send_msg {
2492 my $pl = shift->contr
2493 or return;
2494 $pl->send_msg (@_);
1851} 2495}
1852 2496
1853=item $player_object->may ("access") 2497=item $player_object->may ("access")
1854 2498
1855Returns wether the given player is authorized to access resource "access" 2499Returns wether the given player is authorized to access resource "access"
… …
1868 2512
1869=item $player_object->enter_link 2513=item $player_object->enter_link
1870 2514
1871Freezes the player and moves him/her to a special map (C<{link}>). 2515Freezes the player and moves him/her to a special map (C<{link}>).
1872 2516
1873The player should be reasonably safe there for short amounts of time. You 2517The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2518for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2519though, as the palyer cannot control the character while it is on the link
2520map.
1875 2521
1876Will never block. 2522Will never block.
1877 2523
1878=item $player_object->leave_link ($map, $x, $y) 2524=item $player_object->leave_link ($map, $x, $y)
1879 2525
… …
1931 ($x, $y) = (-1, -1) 2577 ($x, $y) = (-1, -1)
1932 unless (defined $x) && (defined $y); 2578 unless (defined $x) && (defined $y);
1933 2579
1934 # use -1 or undef as default coordinates, not 0, 0 2580 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2581 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2582 if $x <= 0 && $y <= 0;
1937 2583
1938 $map->load; 2584 $map->load;
1939 $map->load_diag; 2585 $map->load_neighbours;
1940 2586
1941 return unless $self->contr->active; 2587 return unless $self->contr->active;
1942 $self->activate_recursive;
1943 2588
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2589 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2590 $self->enter_map ($map, $x, $y);
1946}
1947 2591
2592 # only activate afterwards, to support waiting in hooks
2593 $self->activate_recursive;
2594}
2595
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2596=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2597
1950Moves the player to the given map-path and coordinates by first freezing 2598Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2599her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2600that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2601the new (success) or old (failed) map position. In either case, $done will
2602be called at the end of this process.
2603
2604Note that $check will be called with a potentially non-loaded map, so if
2605it needs a loaded map it has to call C<< ->load >>.
1954 2606
1955=cut 2607=cut
1956 2608
1957our $GOTOGEN; 2609our $GOTOGEN;
1958 2610
1959sub cf::object::player::goto { 2611sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2612 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2613
1962 # do generation counting so two concurrent goto's will be executed in-order 2614 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2615 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2616
1965 $self->enter_link; 2617 $self->enter_link;
1966 2618
1967 (async { 2619 (async {
2620 $Coro::current->{desc} = "player::goto $path $x $y";
2621
2622 # *tag paths override both path and x|y
2623 if ($path =~ /^\*(.*)$/) {
2624 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2625 my $ob = $obs[rand @obs];
2626
2627 # see if we actually can go there
2628 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2629 $ob = $obs[rand @obs];
2630 } else {
2631 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2632 }
2633 # else put us there anyways for now #d#
2634
2635 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2636 } else {
2637 ($path, $x, $y) = (undef, undef, undef);
2638 }
2639 }
2640
1968 my $map = eval { 2641 my $map = eval {
1969 my $map = cf::map::find $path; 2642 my $map = defined $path ? cf::map::find $path : undef;
1970 2643
1971 if ($map) { 2644 if ($map) {
1972 $map = $map->customise_for ($self); 2645 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2646 $map = $check->($map) if $check && $map;
1974 } else { 2647 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2648 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2649 }
1977 2650
1978 $map 2651 $map
1979 }; 2652 };
1980 2653
… …
1985 2658
1986 if ($gen == $self->{_goto_generation}) { 2659 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2660 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2661 $self->leave_link ($map, $x, $y);
1989 } 2662 }
2663
2664 $done->() if $done;
1990 })->prio (1); 2665 })->prio (1);
1991} 2666}
1992 2667
1993=item $player_object->enter_exit ($exit_object) 2668=item $player_object->enter_exit ($exit_object)
1994 2669
… …
2014} 2689}
2015 2690
2016sub prepare_random_map { 2691sub prepare_random_map {
2017 my ($exit) = @_; 2692 my ($exit) = @_;
2018 2693
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2694 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2695 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2696 # that depends on the exit object
2024 2697
2025 my $rmp = parse_random_map_params $exit->msg; 2698 my $rmp = parse_random_map_params $exit->msg;
… …
2027 if ($exit->map) { 2700 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2701 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2702 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2703 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2704 $rmp->{origin_y} = $exit->y;
2705
2706 $exit->map->touch;
2032 } 2707 }
2033 2708
2034 $rmp->{random_seed} ||= $exit->random_seed; 2709 $rmp->{random_seed} ||= $exit->random_seed;
2035 2710
2036 my $data = cf::to_json $rmp; 2711 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2712 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2713 my $meta = "$RANDOMDIR/$md5.meta";
2039 2714
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2715 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2716 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2717 undef $fh;
2043 aio_rename "$meta~", $meta; 2718 aio_rename "$meta~", $meta;
2044 2719
2720 my $slaying = "?random/$md5";
2721
2722 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2723 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2724 $exit->msg (undef);
2725 }
2047 } 2726 }
2048} 2727}
2049 2728
2050sub cf::object::player::enter_exit { 2729sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2730 my ($self, $exit) = @_;
2052 2731
2053 return unless $self->type == cf::PLAYER; 2732 return unless $self->type == cf::PLAYER;
2054 2733
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2734 $self->enter_link;
2067 2735
2068 (async { 2736 (async {
2069 $self->deactivate_recursive; # just to be sure 2737 $Coro::current->{desc} = "enter_exit";
2738
2070 unless (eval { 2739 unless (eval {
2740 $self->deactivate_recursive; # just to be sure
2741
2742 # random map handling
2743 {
2744 my $guard = cf::lock_acquire "exit_prepare:$exit";
2745
2746 prepare_random_map $exit
2747 if $exit->slaying eq "/!";
2748 }
2749
2750 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2751 my $x = $exit->stats->hp;
2752 my $y = $exit->stats->sp;
2753
2071 $self->goto ($slaying, $hp, $sp); 2754 $self->goto ($map, $x, $y);
2072 2755
2756 # if exit is damned, update players death & WoR home-position
2757 $self->contr->savebed ($map, $x, $y)
2758 if $exit->flag (cf::FLAG_DAMNED);
2759
2073 1; 2760 1
2074 }) { 2761 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2762 $self->message ("Something went wrong deep within the deliantra server. "
2076 . "I'll try to bring you back to the map you were before. " 2763 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2764 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2765 cf::NDI_UNIQUE | cf::NDI_RED);
2079 2766
2080 warn "ERROR in enter_exit: $@"; 2767 warn "ERROR in enter_exit: $@";
… …
2099 2786
2100 utf8::encode $text; 2787 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2788 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2789}
2103 2790
2791=item $client->send_msg ($channel, $msg, $color, [extra...])
2792
2793Send a drawinfo or msg packet to the client, formatting the msg for the
2794client if neccessary. C<$type> should be a string identifying the type of
2795the message, with C<log> being the default. If C<$color> is negative, suppress
2796the message unless the client supports the msg packet.
2797
2798=cut
2799
2800# non-persistent channels (usually the info channel)
2801our %CHANNEL = (
2802 "c/motd" => {
2803 id => "infobox",
2804 title => "MOTD",
2805 reply => undef,
2806 tooltip => "The message of the day",
2807 },
2808 "c/identify" => {
2809 id => "infobox",
2810 title => "Identify",
2811 reply => undef,
2812 tooltip => "Items recently identified",
2813 },
2814 "c/examine" => {
2815 id => "infobox",
2816 title => "Examine",
2817 reply => undef,
2818 tooltip => "Signs and other items you examined",
2819 },
2820 "c/shopinfo" => {
2821 id => "infobox",
2822 title => "Shop Info",
2823 reply => undef,
2824 tooltip => "What your bargaining skill tells you about the shop",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/statistics" => {
2851 id => "infobox",
2852 title => "Statistics",
2853 reply => undef,
2854 tooltip => "Shows your primary statistics",
2855 },
2856 "c/skills" => {
2857 id => "infobox",
2858 title => "Skills",
2859 reply => undef,
2860 tooltip => "Shows your experience per skill and item power",
2861 },
2862 "c/shopitems" => {
2863 id => "infobox",
2864 title => "Shop Items",
2865 reply => undef,
2866 tooltip => "Shows the items currently for sale in this shop",
2867 },
2868 "c/resistances" => {
2869 id => "infobox",
2870 title => "Resistances",
2871 reply => undef,
2872 tooltip => "Shows your resistances",
2873 },
2874 "c/pets" => {
2875 id => "infobox",
2876 title => "Pets",
2877 reply => undef,
2878 tooltip => "Shows information abotu your pets/a specific pet",
2879 },
2880 "c/perceiveself" => {
2881 id => "infobox",
2882 title => "Perceive Self",
2883 reply => undef,
2884 tooltip => "You gained detailed knowledge about yourself",
2885 },
2886 "c/uptime" => {
2887 id => "infobox",
2888 title => "Uptime",
2889 reply => undef,
2890 tooltip => "How long the server has been running since last restart",
2891 },
2892 "c/mapinfo" => {
2893 id => "infobox",
2894 title => "Map Info",
2895 reply => undef,
2896 tooltip => "Information related to the maps",
2897 },
2898 "c/party" => {
2899 id => "party",
2900 title => "Party",
2901 reply => "gsay ",
2902 tooltip => "Messages and chat related to your party",
2903 },
2904 "c/death" => {
2905 id => "death",
2906 title => "Death",
2907 reply => undef,
2908 tooltip => "Reason for and more info about your most recent death",
2909 },
2910 "c/say" => $SAY_CHANNEL,
2911 "c/chat" => $CHAT_CHANNEL,
2912);
2913
2914sub cf::client::send_msg {
2915 my ($self, $channel, $msg, $color, @extra) = @_;
2916
2917 $msg = $self->pl->expand_cfpod ($msg)
2918 unless $color & cf::NDI_VERBATIM;
2919
2920 $color &= cf::NDI_CLIENT_MASK; # just in case...
2921
2922 # check predefined channels, for the benefit of C
2923 if ($CHANNEL{$channel}) {
2924 $channel = $CHANNEL{$channel};
2925
2926 $self->ext_msg (channel_info => $channel);
2927 $channel = $channel->{id};
2928
2929 } elsif (ref $channel) {
2930 # send meta info to client, if not yet sent
2931 unless (exists $self->{channel}{$channel->{id}}) {
2932 $self->{channel}{$channel->{id}} = $channel;
2933 $self->ext_msg (channel_info => $channel);
2934 }
2935
2936 $channel = $channel->{id};
2937 }
2938
2939 return unless @extra || length $msg;
2940
2941 # default colour, mask it out
2942 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2943 if $color & cf::NDI_DEF;
2944
2945 my $pkt = "msg "
2946 . $self->{json_coder}->encode (
2947 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2948 );
2949
2950 # try lzf for large packets
2951 $pkt = "lzf " . Compress::LZF::compress $pkt
2952 if 1024 <= length $pkt and $self->{can_lzf};
2953
2954 # split very large packets
2955 if (8192 < length $pkt and $self->{can_lzf}) {
2956 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2957 $pkt = "frag";
2958 }
2959
2960 $self->send_packet ($pkt);
2961}
2962
2104=item $client->ext_event ($type, %msg) 2963=item $client->ext_msg ($type, @msg)
2105 2964
2106Sends an exti event to the client. 2965Sends an ext event to the client.
2107 2966
2108=cut 2967=cut
2109 2968
2110sub cf::client::ext_event($$%) { 2969sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2970 my ($self, $type, @msg) = @_;
2112 2971
2972 if ($self->extcmd == 2) {
2973 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2974 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2975 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2976 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2977 }
2978}
2979
2980=item $client->ext_reply ($msgid, @msg)
2981
2982Sends an ext reply to the client.
2983
2984=cut
2985
2986sub cf::client::ext_reply($$@) {
2987 my ($self, $id, @msg) = @_;
2988
2989 if ($self->extcmd == 2) {
2990 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2991 } elsif ($self->extcmd == 1) {
2992 #TODO: version 1, remove
2993 unshift @msg, msgtype => "reply", msgid => $id;
2994 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2995 }
2115} 2996}
2116 2997
2117=item $success = $client->query ($flags, "text", \&cb) 2998=item $success = $client->query ($flags, "text", \&cb)
2118 2999
2119Queues a query to the client, calling the given callback with 3000Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3001the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3002C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 3003
2123Queries can fail, so check the return code. Or don't, as queries will become 3004Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 3005become reliable at some point in the future.
2125 3006
2126=cut 3007=cut
2127 3008
2128sub cf::client::query { 3009sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 3010 my ($self, $flags, $text, $cb) = @_;
… …
2137 utf8::encode $text; 3018 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3019 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 3020
2140 $self->send_packet ($self->{query_queue}[0][0]) 3021 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 3022 if @{ $self->{query_queue} } == 1;
3023
3024 1
2142} 3025}
2143 3026
2144cf::client->attach ( 3027cf::client->attach (
3028 on_connect => sub {
3029 my ($ns) = @_;
3030
3031 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3032 },
2145 on_reply => sub { 3033 on_reply => sub {
2146 my ($ns, $msg) = @_; 3034 my ($ns, $msg) = @_;
2147 3035
2148 # this weird shuffling is so that direct followup queries 3036 # this weird shuffling is so that direct followup queries
2149 # get handled first 3037 # get handled first
… …
2161 } else { 3049 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3050 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3051 }
2164 } 3052 }
2165 }, 3053 },
3054 on_exticmd => sub {
3055 my ($ns, $buf) = @_;
3056
3057 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3058
3059 if (ref $msg) {
3060 my ($type, $reply, @payload) =
3061 "ARRAY" eq ref $msg
3062 ? @$msg
3063 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3064
3065 my @reply;
3066
3067 if (my $cb = $EXTICMD{$type}) {
3068 @reply = $cb->($ns, @payload);
3069 }
3070
3071 $ns->ext_reply ($reply, @reply)
3072 if $reply;
3073
3074 } else {
3075 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3076 }
3077
3078 cf::override;
3079 },
2166); 3080);
2167 3081
2168=item $client->async (\&cb) 3082=item $client->async (\&cb)
2169 3083
2170Create a new coroutine, running the specified callback. The coroutine will 3084Create a new coroutine, running the specified callback. The coroutine will
… …
2211our $safe = new Safe "safe"; 3125our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3126our $safe_hole = new Safe::Hole;
2213 3127
2214$SIG{FPE} = 'IGNORE'; 3128$SIG{FPE} = 'IGNORE';
2215 3129
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3130$safe->permit_only (Opcode::opset qw(
3131 :base_core :base_mem :base_orig :base_math
3132 grepstart grepwhile mapstart mapwhile
3133 sort time
3134));
2217 3135
2218# here we export the classes and methods available to script code 3136# here we export the classes and methods available to script code
2219 3137
2220=pod 3138=pod
2221 3139
2222The following functions and methods are available within a safe environment: 3140The following functions and methods are available within a safe environment:
2223 3141
2224 cf::object contr pay_amount pay_player map 3142 cf::object
3143 contr pay_amount pay_player map x y force_find force_add destroy
3144 insert remove name archname title slaying race decrease split
3145 value
3146
2225 cf::object::player player 3147 cf::object::player
2226 cf::player peaceful 3148 player
2227 cf::map trigger 3149
3150 cf::player
3151 peaceful
3152
3153 cf::map
3154 trigger
2228 3155
2229=cut 3156=cut
2230 3157
2231for ( 3158for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3159 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3160 insert remove inv nrof name archname title slaying race
3161 decrease split destroy change_exp value msg lore send_msg)],
2233 ["cf::object::player" => qw(player)], 3162 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3163 ["cf::player" => qw(peaceful send_msg)],
2235 ["cf::map" => qw(trigger)], 3164 ["cf::map" => qw(trigger)],
2236) { 3165) {
2237 no strict 'refs'; 3166 no strict 'refs';
2238 my ($pkg, @funs) = @$_; 3167 my ($pkg, @funs) = @$_;
2239 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3168 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2256 my ($code, %vars) = @_; 3185 my ($code, %vars) = @_;
2257 3186
2258 my $qcode = $code; 3187 my $qcode = $code;
2259 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3188 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2260 $qcode =~ s/\n/\\n/g; 3189 $qcode =~ s/\n/\\n/g;
3190
3191 %vars = (_dummy => 0) unless %vars;
2261 3192
2262 local $_; 3193 local $_;
2263 local @safe::cf::_safe_eval_args = values %vars; 3194 local @safe::cf::_safe_eval_args = values %vars;
2264 3195
2265 my $eval = 3196 my $eval =
… …
2308=back 3239=back
2309 3240
2310=cut 3241=cut
2311 3242
2312############################################################################# 3243#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3244# the server's init and main functions
2486 3245
2487sub load_facedata($) { 3246sub load_facedata($) {
2488 my ($path) = @_; 3247 my ($path) = @_;
3248
3249 # HACK to clear player env face cache, we need some signal framework
3250 # for this (global event?)
3251 %ext::player_env::MUSIC_FACE_CACHE = ();
3252
3253 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3254
2490 warn "loading facedata from $path\n"; 3255 warn "loading facedata from $path\n";
2491 3256
2492 my $facedata; 3257 my $facedata;
2493 0 < aio_load $path, $facedata 3258 0 < aio_load $path, $facedata
… …
2496 $facedata = Coro::Storable::thaw $facedata; 3261 $facedata = Coro::Storable::thaw $facedata;
2497 3262
2498 $facedata->{version} == 2 3263 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3264 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3265
3266 # patch in the exptable
3267 $facedata->{resource}{"res/exp_table"} = {
3268 type => FT_RSRC,
3269 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3270 };
3271 cf::cede_to_tick;
3272
2501 { 3273 {
2502 my $faces = $facedata->{faceinfo}; 3274 my $faces = $facedata->{faceinfo};
2503 3275
2504 while (my ($face, $info) = each %$faces) { 3276 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3277 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d# 3278
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3279 cf::face::set_visibility $idx, $info->{visibility};
3280 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3281 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3282 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510 Coro::cede; 3283
3284 cf::cede_to_tick;
2511 } 3285 }
2512 3286
2513 while (my ($face, $info) = each %$faces) { 3287 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3288 next unless $info->{smooth};
3289
2515 my $idx = cf::face::find $face 3290 my $idx = cf::face::find $face
2516 or next; 3291 or next;
3292
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3293 if (my $smooth = cf::face::find $info->{smooth}) {
3294 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3295 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3296 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3297 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3298 }
2522 Coro::cede; 3299
3300 cf::cede_to_tick;
2523 } 3301 }
2524 } 3302 }
2525 3303
2526 { 3304 {
2527 my $anims = $facedata->{animinfo}; 3305 my $anims = $facedata->{animinfo};
2528 3306
2529 while (my ($anim, $info) = each %$anims) { 3307 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3308 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3309 cf::cede_to_tick;
2532 } 3310 }
2533 3311
2534 cf::anim::invalidate_all; # d'oh 3312 cf::anim::invalidate_all; # d'oh
2535 } 3313 }
2536 3314
3315 {
3316 # TODO: for gcfclient pleasure, we should give resources
3317 # that gcfclient doesn't grok a >10000 face index.
3318 my $res = $facedata->{resource};
3319
3320 while (my ($name, $info) = each %$res) {
3321 if (defined $info->{type}) {
3322 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3323 my $data;
3324
3325 if ($info->{type} & 1) {
3326 # prepend meta info
3327
3328 my $meta = $enc->encode ({
3329 name => $name,
3330 %{ $info->{meta} || {} },
3331 });
3332
3333 $data = pack "(w/a*)*", $meta, $info->{data};
3334 } else {
3335 $data = $info->{data};
3336 }
3337
3338 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3339 cf::face::set_type $idx, $info->{type};
3340 } else {
3341 $RESOURCE{$name} = $info;
3342 }
3343
3344 cf::cede_to_tick;
3345 }
3346 }
3347
3348 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3349
2537 1 3350 1
2538} 3351}
2539 3352
3353cf::global->attach (on_resource_update => sub {
3354 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3355 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3356
3357 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3358 my $sound = $soundconf->{compat}[$_]
3359 or next;
3360
3361 my $face = cf::face::find "sound/$sound->[1]";
3362 cf::sound::set $sound->[0] => $face;
3363 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3364 }
3365
3366 while (my ($k, $v) = each %{$soundconf->{event}}) {
3367 my $face = cf::face::find "sound/$v";
3368 cf::sound::set $k => $face;
3369 }
3370 }
3371});
3372
3373register_exticmd fx_want => sub {
3374 my ($ns, $want) = @_;
3375
3376 while (my ($k, $v) = each %$want) {
3377 $ns->fx_want ($k, $v);
3378 }
3379};
3380
3381sub load_resource_file($) {
3382 my $guard = lock_acquire "load_resource_file";
3383
3384 my $status = load_resource_file_ $_[0];
3385 get_slot 0.1, 100;
3386 cf::arch::commit_load;
3387
3388 $status
3389}
3390
2540sub reload_regions { 3391sub reload_regions {
3392 # HACK to clear player env face cache, we need some signal framework
3393 # for this (global event?)
3394 %ext::player_env::MUSIC_FACE_CACHE = ();
3395
2541 load_resource_file "$MAPDIR/regions" 3396 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3397 or die "unable to load regions file\n";
3398
3399 for (cf::region::list) {
3400 $_->{match} = qr/$_->{match}/
3401 if exists $_->{match};
3402 }
2543} 3403}
2544 3404
2545sub reload_facedata { 3405sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3406 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3407 or die "unable to load facedata\n";
… …
2558} 3418}
2559 3419
2560sub reload_resources { 3420sub reload_resources {
2561 warn "reloading resource files...\n"; 3421 warn "reloading resource files...\n";
2562 3422
2563 reload_regions;
2564 reload_facedata; 3423 reload_facedata;
2565 reload_archetypes; 3424 reload_archetypes;
3425 reload_regions;
2566 reload_treasures; 3426 reload_treasures;
2567 3427
2568 warn "finished reloading resource files\n"; 3428 warn "finished reloading resource files\n";
2569} 3429}
2570 3430
2571sub init { 3431sub reload_config {
2572 reload_resources; 3432 warn "reloading config file...\n";
2573}
2574 3433
2575sub cfg_load {
2576 open my $fh, "<:utf8", "$CONFDIR/config" 3434 open my $fh, "<:utf8", "$CONFDIR/config"
2577 or return; 3435 or return;
2578 3436
2579 local $/; 3437 local $/;
2580 *CFG = YAML::Syck::Load <$fh>; 3438 *CFG = YAML::XS::Load scalar <$fh>;
2581 3439
2582 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3440 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583 3441
2584 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3442 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3443 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2589 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3447 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2590 and die "WARNING: m(un)lockall failed: $!\n"; 3448 and die "WARNING: m(un)lockall failed: $!\n";
2591 }; 3449 };
2592 warn $@ if $@; 3450 warn $@ if $@;
2593 } 3451 }
3452
3453 warn "finished reloading resource files\n";
3454}
3455
3456sub pidfile() {
3457 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3458 or die "$PIDFILE: $!";
3459 flock $fh, &Fcntl::LOCK_EX
3460 or die "$PIDFILE: flock: $!";
3461 $fh
3462}
3463
3464# make sure only one server instance is running at any one time
3465sub atomic {
3466 my $fh = pidfile;
3467
3468 my $pid = <$fh>;
3469 kill 9, $pid if $pid > 0;
3470
3471 seek $fh, 0, 0;
3472 print $fh $$;
3473}
3474
3475sub main_loop {
3476 warn "EV::loop starting\n";
3477 if (1) {
3478 EV::loop;
3479 }
3480 warn "EV::loop returned\n";
3481 goto &main_loop unless $REALLY_UNLOOP;
2594} 3482}
2595 3483
2596sub main { 3484sub main {
3485 cf::init_globals; # initialise logging
3486
3487 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3488 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3489 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3490 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3491
3492 cf::init_experience;
3493 cf::init_anim;
3494 cf::init_attackmess;
3495 cf::init_dynamic;
3496
3497 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3498
2597 # we must not ever block the main coroutine 3499 # we must not ever block the main coroutine
2598 local $Coro::idle = sub { 3500 local $Coro::idle = sub {
2599 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3501 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600 (async { 3502 (async {
2601 Event::one_event; 3503 $Coro::current->{desc} = "IDLE BUG HANDLER";
3504 EV::loop EV::LOOP_ONESHOT;
2602 })->prio (Coro::PRIO_MAX); 3505 })->prio (Coro::PRIO_MAX);
2603 }; 3506 };
2604 3507
2605 cfg_load; 3508 evthread_start IO::AIO::poll_fileno;
3509
3510 cf::sync_job {
3511 reload_resources;
3512 reload_config;
2606 db_init; 3513 db_init;
3514
3515 cf::load_settings;
3516 cf::load_materials;
3517 cf::init_uuid;
3518 cf::init_signals;
3519 cf::init_commands;
3520 cf::init_skills;
3521
3522 cf::init_beforeplay;
3523
3524 atomic;
3525
2607 load_extensions; 3526 load_extensions;
2608 3527
2609 $TICK_WATCHER->start; 3528 utime time, time, $RUNTIMEFILE;
2610 Event::loop; 3529
3530 # no (long-running) fork's whatsoever before this point(!)
3531 use POSIX ();
3532 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3533
3534 (pop @POST_INIT)->(0) while @POST_INIT;
3535 };
3536
3537 main_loop;
2611} 3538}
2612 3539
2613############################################################################# 3540#############################################################################
2614# initialisation and cleanup 3541# initialisation and cleanup
2615 3542
2616# install some emergency cleanup handlers 3543# install some emergency cleanup handlers
2617BEGIN { 3544BEGIN {
3545 our %SIGWATCHER = ();
2618 for my $signal (qw(INT HUP TERM)) { 3546 for my $signal (qw(INT HUP TERM)) {
2619 Event->signal ( 3547 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 signal => $signal,
2623 prio => 0,
2624 cb => sub {
2625 cf::cleanup "SIG$signal"; 3548 cf::cleanup "SIG$signal";
2626 },
2627 ); 3549 };
3550 }
3551}
3552
3553sub write_runtime_sync {
3554 # first touch the runtime file to show we are still running:
3555 # the fsync below can take a very very long time.
3556
3557 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3558
3559 my $guard = cf::lock_acquire "write_runtime";
3560
3561 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3562 or return;
3563
3564 my $value = $cf::RUNTIME + 90 + 10;
3565 # 10 is the runtime save interval, for a monotonic clock
3566 # 60 allows for the watchdog to kill the server.
3567
3568 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3569 and return;
3570
3571 # always fsync - this file is important
3572 aio_fsync $fh
3573 and return;
3574
3575 # touch it again to show we are up-to-date
3576 aio_utime $fh, undef, undef;
3577
3578 close $fh
3579 or return;
3580
3581 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3582 and return;
3583
3584 warn "runtime file written.\n";
3585
2628 } 3586 1
3587}
3588
3589our $uuid_lock;
3590our $uuid_skip;
3591
3592sub write_uuid_sync($) {
3593 $uuid_skip ||= $_[0];
3594
3595 return if $uuid_lock;
3596 local $uuid_lock = 1;
3597
3598 my $uuid = "$LOCALDIR/uuid";
3599
3600 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3601 or return;
3602
3603 my $value = uuid_seq uuid_cur;
3604
3605 unless ($value) {
3606 warn "cowardly refusing to write zero uuid value!\n";
3607 return;
3608 }
3609
3610 my $value = uuid_str $value + $uuid_skip;
3611 $uuid_skip = 0;
3612
3613 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3614 and return;
3615
3616 # always fsync - this file is important
3617 aio_fsync $fh
3618 and return;
3619
3620 close $fh
3621 or return;
3622
3623 aio_rename "$uuid~", $uuid
3624 and return;
3625
3626 warn "uuid file written ($value).\n";
3627
3628 1
3629
3630}
3631
3632sub write_uuid($$) {
3633 my ($skip, $sync) = @_;
3634
3635 $sync ? write_uuid_sync $skip
3636 : async { write_uuid_sync $skip };
2629} 3637}
2630 3638
2631sub emergency_save() { 3639sub emergency_save() {
2632 my $freeze_guard = cf::freeze_mainloop; 3640 my $freeze_guard = cf::freeze_mainloop;
2633 3641
2634 warn "enter emergency perl save\n"; 3642 warn "emergency_perl_save: enter\n";
2635 3643
2636 cf::sync_job { 3644 cf::sync_job {
3645 # this is a trade-off: we want to be very quick here, so
3646 # save all maps without fsync, and later call a global sync
3647 # (which in turn might be very very slow)
3648 local $USE_FSYNC = 0;
3649
2637 # use a peculiar iteration method to avoid tripping on perl 3650 # use a peculiar iteration method to avoid tripping on perl
2638 # refcount bugs in for. also avoids problems with players 3651 # refcount bugs in for. also avoids problems with players
2639 # and maps saved/destroyed asynchronously. 3652 # and maps saved/destroyed asynchronously.
2640 warn "begin emergency player save\n"; 3653 warn "emergency_perl_save: begin player save\n";
2641 for my $login (keys %cf::PLAYER) { 3654 for my $login (keys %cf::PLAYER) {
2642 my $pl = $cf::PLAYER{$login} or next; 3655 my $pl = $cf::PLAYER{$login} or next;
2643 $pl->valid or next; 3656 $pl->valid or next;
3657 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644 $pl->save; 3658 $pl->save;
2645 } 3659 }
2646 warn "end emergency player save\n"; 3660 warn "emergency_perl_save: end player save\n";
2647 3661
2648 warn "begin emergency map save\n"; 3662 warn "emergency_perl_save: begin map save\n";
2649 for my $path (keys %cf::MAP) { 3663 for my $path (keys %cf::MAP) {
2650 my $map = $cf::MAP{$path} or next; 3664 my $map = $cf::MAP{$path} or next;
2651 $map->valid or next; 3665 $map->valid or next;
2652 $map->save; 3666 $map->save;
2653 } 3667 }
2654 warn "end emergency map save\n"; 3668 warn "emergency_perl_save: end map save\n";
2655 3669
2656 warn "begin emergency database checkpoint\n"; 3670 warn "emergency_perl_save: begin database checkpoint\n";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3671 BDB::db_env_txn_checkpoint $DB_ENV;
2658 warn "end emergency database checkpoint\n"; 3672 warn "emergency_perl_save: end database checkpoint\n";
3673
3674 warn "emergency_perl_save: begin write uuid\n";
3675 write_uuid_sync 1;
3676 warn "emergency_perl_save: end write uuid\n";
2659 }; 3677 };
2660 3678
3679 warn "emergency_perl_save: starting sync()\n";
3680 IO::AIO::aio_sync sub {
3681 warn "emergency_perl_save: finished sync()\n";
3682 };
3683
2661 warn "leave emergency perl save\n"; 3684 warn "emergency_perl_save: leave\n";
2662} 3685}
2663 3686
2664sub post_cleanup { 3687sub post_cleanup {
2665 my ($make_core) = @_; 3688 my ($make_core) = @_;
2666 3689
2667 warn Carp::longmess "post_cleanup backtrace" 3690 warn Carp::longmess "post_cleanup backtrace"
2668 if $make_core; 3691 if $make_core;
3692
3693 my $fh = pidfile;
3694 unlink $PIDFILE if <$fh> == $$;
3695}
3696
3697# a safer delete_package, copied from Symbol
3698sub clear_package($) {
3699 my $pkg = shift;
3700
3701 # expand to full symbol table name if needed
3702 unless ($pkg =~ /^main::.*::$/) {
3703 $pkg = "main$pkg" if $pkg =~ /^::/;
3704 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3705 $pkg .= '::' unless $pkg =~ /::$/;
3706 }
3707
3708 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3709 my $stem_symtab = *{$stem}{HASH};
3710
3711 defined $stem_symtab and exists $stem_symtab->{$leaf}
3712 or return;
3713
3714 # clear all symbols
3715 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3716 for my $name (keys %$leaf_symtab) {
3717 _gv_clear *{"$pkg$name"};
3718# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3719 }
3720 warn "cleared package $pkg\n";#d#
2669} 3721}
2670 3722
2671sub do_reload_perl() { 3723sub do_reload_perl() {
2672 # can/must only be called in main 3724 # can/must only be called in main
2673 if ($Coro::current != $Coro::main) { 3725 if ($Coro::current != $Coro::main) {
2674 warn "can only reload from main coroutine"; 3726 warn "can only reload from main coroutine";
2675 return; 3727 return;
2676 } 3728 }
2677 3729
3730 return if $RELOAD++;
3731
3732 my $t1 = EV::time;
3733
3734 while ($RELOAD) {
2678 warn "reloading..."; 3735 warn "reloading...";
2679 3736
2680 warn "entering sync_job"; 3737 warn "entering sync_job";
2681 3738
2682 cf::sync_job { 3739 cf::sync_job {
2683 cf::write_runtime; # external watchdog should not bark 3740 cf::write_runtime_sync; # external watchdog should not bark
2684 cf::emergency_save; 3741 cf::emergency_save;
2685 cf::write_runtime; # external watchdog should not bark 3742 cf::write_runtime_sync; # external watchdog should not bark
2686 3743
2687 warn "syncing database to disk"; 3744 warn "syncing database to disk";
2688 BDB::db_env_txn_checkpoint $DB_ENV; 3745 BDB::db_env_txn_checkpoint $DB_ENV;
2689 3746
2690 # if anything goes wrong in here, we should simply crash as we already saved 3747 # if anything goes wrong in here, we should simply crash as we already saved
2691 3748
2692 warn "cancelling all WF_AUTOCANCEL watchers";
2693 for (Event::all_watchers) {
2694 $_->cancel if $_->data & WF_AUTOCANCEL;
2695 }
2696
2697 warn "flushing outstanding aio requests"; 3749 warn "flushing outstanding aio requests";
2698 for (;;) {
2699 BDB::flush;
2700 IO::AIO::flush;
2701 Coro::cede;
2702 last unless IO::AIO::nreqs || BDB::nreqs; 3750 while (IO::AIO::nreqs || BDB::nreqs) {
2703 warn "iterate..."; 3751 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2704 }
2705
2706 ++$RELOAD;
2707
2708 warn "cancelling all extension coros";
2709 $_->cancel for values %EXT_CORO;
2710 %EXT_CORO = ();
2711
2712 warn "removing commands";
2713 %COMMAND = ();
2714
2715 warn "removing ext commands";
2716 %EXTCMD = ();
2717
2718 warn "unloading/nuking all extensions";
2719 for my $pkg (@EXTS) {
2720 warn "... unloading $pkg";
2721
2722 if (my $cb = $pkg->can ("unload")) {
2723 eval {
2724 $cb->($pkg);
2725 1
2726 } or warn "$pkg unloaded, but with errors: $@";
2727 } 3752 }
2728 3753
2729 warn "... nuking $pkg"; 3754 warn "cancelling all extension coros";
2730 Symbol::delete_package $pkg; 3755 $_->cancel for values %EXT_CORO;
2731 } 3756 %EXT_CORO = ();
2732 3757
2733 warn "unloading all perl modules loaded from $LIBDIR"; 3758 warn "removing commands";
2734 while (my ($k, $v) = each %INC) { 3759 %COMMAND = ();
2735 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736 3760
3761 warn "removing ext/exti commands";
3762 %EXTCMD = ();
3763 %EXTICMD = ();
3764
3765 warn "unloading/nuking all extensions";
3766 for my $pkg (@EXTS) {
2737 warn "... unloading $k"; 3767 warn "... unloading $pkg";
2738 delete $INC{$k};
2739 3768
2740 $k =~ s/\.pm$//;
2741 $k =~ s/\//::/g;
2742
2743 if (my $cb = $k->can ("unload_module")) { 3769 if (my $cb = $pkg->can ("unload")) {
3770 eval {
2744 $cb->(); 3771 $cb->($pkg);
3772 1
3773 } or warn "$pkg unloaded, but with errors: $@";
3774 }
3775
3776 warn "... clearing $pkg";
3777 clear_package $pkg;
2745 } 3778 }
2746 3779
2747 Symbol::delete_package $k; 3780 warn "unloading all perl modules loaded from $LIBDIR";
3781 while (my ($k, $v) = each %INC) {
3782 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3783
3784 warn "... unloading $k";
3785 delete $INC{$k};
3786
3787 $k =~ s/\.pm$//;
3788 $k =~ s/\//::/g;
3789
3790 if (my $cb = $k->can ("unload_module")) {
3791 $cb->();
3792 }
3793
3794 clear_package $k;
2748 } 3795 }
2749 3796
2750 warn "getting rid of safe::, as good as possible"; 3797 warn "getting rid of safe::, as good as possible";
2751 Symbol::delete_package "safe::$_" 3798 clear_package "safe::$_"
2752 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3799 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753 3800
2754 warn "unloading cf.pm \"a bit\""; 3801 warn "unloading cf.pm \"a bit\"";
2755 delete $INC{"cf.pm"}; 3802 delete $INC{"cf.pm"};
2756 delete $INC{"cf/pod.pm"}; 3803 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757 3804
2758 # don't, removes xs symbols, too, 3805 # don't, removes xs symbols, too,
2759 # and global variables created in xs 3806 # and global variables created in xs
2760 #Symbol::delete_package __PACKAGE__; 3807 #clear_package __PACKAGE__;
2761 3808
2762 warn "unload completed, starting to reload now"; 3809 warn "unload completed, starting to reload now";
2763 3810
2764 warn "reloading cf.pm"; 3811 warn "reloading cf.pm";
2765 require cf; 3812 require cf;
2766 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3813 cf::_connect_to_perl_1;
2767 3814
2768 warn "loading config and database again"; 3815 warn "loading config and database again";
2769 cf::cfg_load; 3816 cf::reload_config;
2770 3817
2771 warn "loading extensions"; 3818 warn "loading extensions";
2772 cf::load_extensions; 3819 cf::load_extensions;
2773 3820
3821 if ($REATTACH_ON_RELOAD) {
2774 warn "reattaching attachments to objects/players"; 3822 warn "reattaching attachments to objects/players";
2775 _global_reattach; # objects, sockets 3823 _global_reattach; # objects, sockets
2776 warn "reattaching attachments to maps"; 3824 warn "reattaching attachments to maps";
2777 reattach $_ for values %MAP; 3825 reattach $_ for values %MAP;
2778 warn "reattaching attachments to players"; 3826 warn "reattaching attachments to players";
2779 reattach $_ for values %PLAYER; 3827 reattach $_ for values %PLAYER;
3828 }
2780 3829
3830 warn "running post_init jobs";
3831 (pop @POST_INIT)->(1) while @POST_INIT;
3832
2781 warn "leaving sync_job"; 3833 warn "leaving sync_job";
2782 3834
2783 1 3835 1
2784 } or do { 3836 } or do {
2785 warn $@; 3837 warn $@;
2786 warn "error while reloading, exiting."; 3838 cf::cleanup "error while reloading, exiting.";
2787 exit 1;
2788 }; 3839 };
2789 3840
2790 warn "reloaded"; 3841 warn "reloaded";
3842 --$RELOAD;
3843 }
3844
3845 $t1 = EV::time - $t1;
3846 warn "reload completed in ${t1}s\n";
2791}; 3847};
2792 3848
2793our $RELOAD_WATCHER; # used only during reload 3849our $RELOAD_WATCHER; # used only during reload
2794 3850
2795sub reload_perl() { 3851sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back, 3852 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here. 3853 # coro crashes during coro_state_free->destroy here.
2798 3854
2799 $RELOAD_WATCHER ||= Event->timer ( 3855 $RELOAD_WATCHER ||= cf::async {
2800 reentrant => 0, 3856 Coro::AIO::aio_wait cache_extensions;
2801 after => 0, 3857
2802 data => WF_AUTOCANCEL, 3858 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2803 cb => sub {
2804 do_reload_perl; 3859 do_reload_perl;
2805 undef $RELOAD_WATCHER; 3860 undef $RELOAD_WATCHER;
2806 }, 3861 };
2807 ); 3862 };
2808} 3863}
2809 3864
2810register_command "reload" => sub { 3865register_command "reload" => sub {
2811 my ($who, $arg) = @_; 3866 my ($who, $arg) = @_;
2812 3867
2813 if ($who->flag (FLAG_WIZ)) { 3868 if ($who->flag (FLAG_WIZ)) {
2814 $who->message ("reloading server."); 3869 $who->message ("reloading server.");
3870 async {
3871 $Coro::current->{desc} = "perl_reload";
2815 async { reload_perl }; 3872 reload_perl;
3873 };
2816 } 3874 }
2817}; 3875};
2818 3876
2819unshift @INC, $LIBDIR; 3877unshift @INC, $LIBDIR;
2820 3878
… …
2822 3880
2823our @WAIT_FOR_TICK; 3881our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN; 3882our @WAIT_FOR_TICK_BEGIN;
2825 3883
2826sub wait_for_tick { 3884sub wait_for_tick {
2827 return unless $TICK_WATCHER->is_active;
2828 return if $Coro::current == $Coro::main; 3885 return if tick_inhibit || $Coro::current == $Coro::main;
2829 3886
2830 my $signal = new Coro::Signal; 3887 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal; 3888 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait; 3889 $signal->wait;
2833} 3890}
2834 3891
2835sub wait_for_tick_begin { 3892sub wait_for_tick_begin {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3893 return if tick_inhibit || $Coro::current == $Coro::main;
2838 3894
2839 my $signal = new Coro::Signal; 3895 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal; 3896 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait; 3897 $signal->wait;
2842} 3898}
2843 3899
2844 my $min = 1e6;#d# 3900sub tick {
2845 my $avg = 10;
2846$TICK_WATCHER = Event->timer (
2847 reentrant => 0,
2848 parked => 1,
2849 prio => 0,
2850 at => $NEXT_TICK || $TICK,
2851 data => WF_AUTOCANCEL,
2852 cb => sub {
2853 if ($Coro::current != $Coro::main) { 3901 if ($Coro::current != $Coro::main) {
2854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3902 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855 unless ++$bug_warning > 10; 3903 unless ++$bug_warning > 10;
2856 return; 3904 return;
2857 } 3905 }
2858 3906
2859 $NOW = $tick_start = Event::time;
2860
2861 cf::server_tick; # one server iteration 3907 cf::server_tick; # one server iteration
2862 3908
2863 0 && sync_job {#d# 3909 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864 for(1..10) { 3910 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865 my $t = Event::time; 3911 Coro::async_pool {
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3912 $Coro::current->{desc} = "runtime saver";
2867 or die; 3913 write_runtime_sync
2868 3914 or warn "ERROR: unable to write runtime file: $!";
2869 $map->width (50);
2870 $map->height (50);
2871 $map->alloc;
2872 $map->_load_objects ("/tmp/x.map", 1);
2873 my $t = Event::time - $t;
2874
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 }; 3915 };
3916 }
2885 3917
2886 $RUNTIME += $TICK;
2887 $NEXT_TICK += $TICK;
2888
2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2891 Coro::async_pool {
2892 write_runtime
2893 or warn "ERROR: unable to write runtime file: $!";
2894 };
2895 }
2896
2897# my $AFTER = Event::time;
2898# warn $AFTER - $NOW;#d#
2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3918 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send; 3919 $sig->send;
2902 } 3920 }
2903 while (my $sig = shift @WAIT_FOR_TICK) { 3921 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send; 3922 $sig->send;
2905 } 3923 }
2906 3924
2907 $NOW = Event::time; 3925 $LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909 # if we are delayed by four ticks or more, skip them all
2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912 $TICK_WATCHER->at ($NEXT_TICK);
2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3926 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917 3927
2918 _post_tick; 3928 if (0) {
2919 3929 if ($NEXT_TICK) {
2920 3930 my $jitter = $TICK_START - $NEXT_TICK;
3931 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3932 warn "jitter $JITTER\n";#d#
3933 }
2921 }, 3934 }
2922); 3935}
2923 3936
2924{ 3937{
2925 BDB::max_poll_time $TICK * 0.1; 3938 # configure BDB
2926 $BDB_POLL_WATCHER = Event->io ( 3939
2927 reentrant => 0,
2928 fd => BDB::poll_fileno,
2929 poll => 'r',
2930 prio => 0,
2931 data => WF_AUTOCANCEL,
2932 cb => \&BDB::poll_cb,
2933 );
2934 BDB::min_parallel 8; 3940 BDB::min_parallel 8;
2935 3941 BDB::max_poll_reqs $TICK * 0.1;
2936 BDB::set_sync_prepare { 3942 $AnyEvent::BDB::WATCHER->priority (1);
2937 my $status;
2938 my $current = $Coro::current;
2939 (
2940 sub {
2941 $status = $!;
2942 $current->ready; undef $current;
2943 },
2944 sub {
2945 Coro::schedule while defined $current;
2946 $! = $status;
2947 },
2948 )
2949 };
2950 3943
2951 unless ($DB_ENV) { 3944 unless ($DB_ENV) {
2952 $DB_ENV = BDB::db_env_create; 3945 $DB_ENV = BDB::db_env_create;
3946 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3947 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3948 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3949 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3950 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953 3951
2954 cf::sync_job { 3952 cf::sync_job {
2955 eval { 3953 eval {
2956 BDB::db_env_open 3954 BDB::db_env_open
2957 $DB_ENV, 3955 $DB_ENV,
… …
2959 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3957 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3958 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961 0666; 3959 0666;
2962 3960
2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3961 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966 $DB_ENV->set_lk_detect;
2967 }; 3962 };
2968 3963
2969 cf::cleanup "db_env_open(db): $@" if $@; 3964 cf::cleanup "db_env_open(db): $@" if $@;
2970 }; 3965 };
2971 } 3966 }
3967
3968 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3969 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3970 };
3971 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3972 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3973 };
3974 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3975 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3976 };
2972} 3977}
2973 3978
2974{ 3979{
3980 # configure IO::AIO
3981
2975 IO::AIO::min_parallel 8; 3982 IO::AIO::min_parallel 8;
2976
2977 undef $Coro::AIO::WATCHER;
2978 IO::AIO::max_poll_time $TICK * 0.1; 3983 IO::AIO::max_poll_time $TICK * 0.1;
2979 $AIO_POLL_WATCHER = Event->io ( 3984 undef $AnyEvent::AIO::WATCHER;
2980 reentrant => 0,
2981 data => WF_AUTOCANCEL,
2982 fd => IO::AIO::poll_fileno,
2983 poll => 'r',
2984 prio => 6,
2985 cb => \&IO::AIO::poll_cb,
2986 );
2987} 3985}
2988 3986
2989my $_log_backtrace; 3987my $_log_backtrace;
2990 3988
2991sub _log_backtrace { 3989sub _log_backtrace {
… …
2994 $msg =~ s/\n//; 3992 $msg =~ s/\n//;
2995 3993
2996 # limit the # of concurrent backtraces 3994 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) { 3995 if ($_log_backtrace < 2) {
2998 ++$_log_backtrace; 3996 ++$_log_backtrace;
3997 my $perl_bt = Carp::longmess $msg;
2999 async { 3998 async {
3999 $Coro::current->{desc} = "abt $msg";
4000
3000 my @bt = fork_call { 4001 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr; 4002 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4004 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004 or die "addr2line: $!"; 4005 or die "addr2line: $!";
… …
3012 } 4013 }
3013 4014
3014 @funcs 4015 @funcs
3015 }; 4016 };
3016 4017
3017 LOG llevInfo, "[ABT] $msg\n"; 4018 LOG llevInfo, "[ABT] $perl_bt\n";
4019 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018 LOG llevInfo, "[ABT] $_\n" for @bt; 4020 LOG llevInfo, "[ABT] $_\n" for @bt;
3019 --$_log_backtrace; 4021 --$_log_backtrace;
3020 }; 4022 };
3021 } else { 4023 } else {
3022 LOG llevInfo, "[ABT] $msg\n"; 4024 LOG llevInfo, "[ABT] $msg\n";
3023 LOG llevInfo, "[ABT] [suppressed]\n"; 4025 LOG llevInfo, "[ABT] [suppressed]\n";
3024 } 4026 }
3025} 4027}
3026 4028
3027# load additional modules 4029# load additional modules
3028use cf::pod; 4030require "cf/$_.pm" for @EXTRA_MODULES;
4031cf::_connect_to_perl_2;
3029 4032
3030END { cf::emergency_save } 4033END { cf::emergency_save }
3031 4034
30321 40351
3033 4036

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