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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.266 by root, Fri May 18 01:01:02 2007 UTC vs.
Revision 1.488 by root, Wed Oct 21 00:44:39 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Socket; 31use Socket;
9use Storable; 32use EV;
10use Event;
11use Opcode; 33use Opcode;
12use Safe; 34use Safe;
13use Safe::Hole; 35use Safe::Hole;
36use Storable ();
14 37
38use Guard ();
15use Coro 3.61 (); 39use Coro ();
16use Coro::State; 40use Coro::State;
17use Coro::Handle; 41use Coro::Handle;
42use Coro::EV;
18use Coro::Event; 43use Coro::AnyEvent;
19use Coro::Timer; 44use Coro::Timer;
20use Coro::Signal; 45use Coro::Signal;
21use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
22use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
23use Coro::Storable; 51use Coro::Storable;
52use Coro::Util ();
24 53
54use JSON::XS 2.01 ();
25use BDB (); 55use BDB ();
26use Data::Dumper; 56use Data::Dumper;
27use Digest::MD5; 57use Digest::MD5;
28use Fcntl; 58use Fcntl;
29use YAML::Syck (); 59use YAML::XS ();
30use IO::AIO 2.32 (); 60use IO::AIO ();
31use Time::HiRes; 61use Time::HiRes;
32use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
33 66
34# configure various modules to our taste 67# configure various modules to our taste
35# 68#
36$Storable::canonical = 1; # reduce rsync transfers 69$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 77
40$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
41 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 80
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
71 112
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 115our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
79 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
82 124
83our %CFG; 125our %CFG;
84 126
85our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 128our $RUNTIME;
129our $NOW;
87 130
88our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
91 134
92# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 137
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
98 147
99binmode STDOUT; 148binmode STDOUT;
100binmode STDERR; 149binmode STDERR;
101 150
102# read virtual server time, if available 151# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
107} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
108 159
109mkdir $_ 160mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 162
112our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
113 164
114sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
115 177
116############################################################################# 178#############################################################################
117 179
118=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
119 181
… …
155 217
156The raw value load value from the last tick. 218The raw value load value from the last tick.
157 219
158=item %cf::CFG 220=item %cf::CFG
159 221
160Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 223from wherever your confdir points to.
162 224
163=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
164 226
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
169=back 243=back
170 244
171=cut 245=cut
172 246
173BEGIN { 247$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 248 my $msg = join "", @_;
176 249
177 $msg .= "\n" 250 $msg .= "\n"
178 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
179 252
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 254
182 utf8::encode $msg;
183 LOG llevError, $msg; 255 LOG llevError, $msg;
184 }; 256};
185} 257
258$Coro::State::DIEHOOK = sub {
259 return unless $^S eq 0; # "eq", not "=="
260
261 warn Carp::longmess $_[0];
262
263 if ($Coro::current == $Coro::main) {#d#
264 warn "DIEHOOK called in main context, Coro bug?\n";#d#
265 return;#d#
266 }#d#
267
268 # kill coroutine otherwise
269 Coro::terminate
270};
186 271
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 276@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
277@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 278@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 279
194# we bless all objects into (empty) derived classes to force a method lookup 280# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 281# within the Safe compartment.
196for my $pkg (qw( 282for my $pkg (qw(
197 cf::global cf::attachable 283 cf::global cf::attachable
198 cf::object cf::object::player 284 cf::object cf::object::player
199 cf::client cf::player 285 cf::client cf::player
200 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
201 cf::map cf::party cf::region 288 cf::party cf::region
202)) { 289)) {
203 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 291}
206 292
207$Event::DIED = sub { 293$EV::DIED = sub {
208 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
209}; 295};
296
297#############################################################################
210 298
211=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
212 300
213=over 4 301=over 4
214 302
… …
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 321 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 322 $d
235 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
236} 324}
237 325
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
241 327
242Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
243 329
244=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
245 331
246Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
247 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
248=item cf::lock_wait $string 355=item cf::lock_wait $string
249 356
250Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
251 358
252=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
253 360
254Wait until the given lock is available and then acquires it and returns 361Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 362a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
257returned. 364returned.
258 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
259Lock names should begin with a unique identifier (for example, cf::map::find 369Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
261 371
262=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
263 373
264Return true if the lock is currently active, i.e. somebody has locked it. 374Return true if the lock is currently active, i.e. somebody has locked it.
265 375
266=cut 376=cut
267 377
268our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
269 379
270sub lock_wait($) { 380sub lock_wait($) {
271 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
272
273 # wait for lock, if any
274 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule;
277 }
278} 382}
279 383
280sub lock_acquire($) { 384sub lock_acquire($) {
281 my ($key) = @_; 385 $LOCKS->guard ($_[0])
282
283 # wait, to be sure we are not locked
284 lock_wait $key;
285
286 $LOCK{$key} = [];
287
288 Coro::guard {
289 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} };
291 }
292} 386}
293 387
294sub lock_active($) { 388sub lock_active($) {
295 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
296
297 ! ! $LOCK{$key}
298} 390}
299 391
300sub freeze_mainloop { 392sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
302 394
303 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
304 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
305 }; 456 }
306 $TICK_WATCHER->stop; 457};
307 $guard 458
459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
308} 471}
309 472
310=item cf::async { BLOCK } 473=item cf::async { BLOCK }
311 474
312Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
317 480
318BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
319 482
320=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
321 484
322The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
325 489
326If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
329fast or be very important. 493fast or be very important.
… …
332 496
333sub sync_job(&) { 497sub sync_job(&) {
334 my ($job) = @_; 498 my ($job) = @_;
335 499
336 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 501 my $time = EV::time;
338 502
339 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
341 505
342 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 507
344 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
345 509
346 my $busy = 1; 510 my $busy = 1;
347 my @res; 511 my @res;
348 512
349 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 515 @res = eval { $job->() };
351 warn $@ if $@; 516 warn $@ if $@;
352 undef $busy; 517 undef $busy;
353 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
354 519
355 while ($busy) { 520 while ($busy) {
356 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
357 } 525 }
526 }
358 527
359 $time = Event::time - $time; 528 my $time = EV::time - $time;
360 529
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 530 $TICK_START += $time; # do not account sync jobs to server load
365 531
366 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
367 } else { 533 } else {
368 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
369 535
… …
389 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
390 556
391 $coro 557 $coro
392} 558}
393 559
394sub write_runtime { 560=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 561
397 # first touch the runtime file to show we are still running: 562Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
399 566
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 567=cut
401 utime undef, undef, $fh; 568
569sub fork_call(&@) {
570 my ($cb, @args) = @_;
571
572 # we seemingly have to make a local copy of the whole thing,
573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
575
576 my @res = Coro::Util::fork_eval {
577 reset_signals;
578 &$cb
579 }, @args;
580
581 wantarray ? @res : $res[-1]
582}
583
584=item $coin = coin_from_name $name
585
586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
610
611=item $value = cf::db_get $family => $key
612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
402 } 638 };
639 cf::cleanup "db_open(db): $@" if $@;
403 640
404 my $guard = cf::lock_acquire "write_runtime"; 641 $db
642}
405 643
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 644our $DB;
407 or return;
408 645
409 my $value = $cf::RUNTIME + 90 + 10; 646sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 647 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 648 $DB ||= db_table "db";
649 };
650}
412 651
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 652sub db_get($$) {
414 and return; 653 my $key = "$_[0]/$_[1]";
415 654
416 # always fsync - this file is important 655 cf::sync_job {
417 aio_fsync $fh 656 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 657
420 # touch it again to show we are up-to-date 658 $! ? ()
421 utime undef, undef, $fh; 659 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
432} 736}
433 737
434=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
435 739
436Log a datalog packet of the given type with the given key-value pairs. 740Log a datalog packet of the given type with the given key-value pairs.
… …
448 752
449############################################################################# 753#############################################################################
450 754
451=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
452 756
453Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
454attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
456 760
457In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 763Deliantra).
460 764
461=over 4 765=over 4
462 766
463=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
464 768
… …
508=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
509 813
510Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
511given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
512 816
513Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
514that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
515 819
516These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
517 821
518=over 4 822=over 4
… …
627 $registry = $CB_TYPE[$object_type] ||= []; 931 $registry = $CB_TYPE[$object_type] ||= [];
628 932
629 } elsif ($type eq "subtype") { 933 } elsif ($type eq "subtype") {
630 defined $object_type or Carp::croak "subtype specified without type"; 934 defined $object_type or Carp::croak "subtype specified without type";
631 my $object_subtype = shift @arg; 935 my $object_subtype = shift @arg;
632 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 936 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633 937
634 } elsif ($type eq "package") { 938 } elsif ($type eq "package") {
635 my $pkg = shift @arg; 939 my $pkg = shift @arg;
636 940
637 while (my ($name, $id) = each %cb_id) { 941 while (my ($name, $id) = each %cb_id) {
… …
666 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
667 } 971 }
668 972
669 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
670 } else { 974 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 976 }
673 977
674 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
675} 979}
676 980
… …
678 if (ref $_[0]) { 982 if (ref $_[0]) {
679 _object_attach @_; 983 _object_attach @_;
680 } else { 984 } else {
681 _attach shift->_attach_registry, @_; 985 _attach shift->_attach_registry, @_;
682 } 986 }
987 _recalc_want;
683}; 988};
684 989
685# all those should be optimised 990# all those should be optimised
686sub cf::attachable::detach { 991sub cf::attachable::detach {
687 my ($obj, $name) = @_; 992 my ($obj, $name) = @_;
… …
690 delete $obj->{_attachment}{$name}; 995 delete $obj->{_attachment}{$name};
691 reattach ($obj); 996 reattach ($obj);
692 } else { 997 } else {
693 Carp::croak "cannot, currently, detach class attachments"; 998 Carp::croak "cannot, currently, detach class attachments";
694 } 999 }
1000 _recalc_want;
695}; 1001};
696 1002
697sub cf::attachable::attached { 1003sub cf::attachable::attached {
698 my ($obj, $name) = @_; 1004 my ($obj, $name) = @_;
699 1005
… …
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
1794package cf;
1795 2345
1796=back 2346=back
1797 2347
1798=head3 cf::object 2348=head3 cf::object
1799 2349
… …
1803 2353
1804=over 4 2354=over 4
1805 2355
1806=item $ob->inv_recursive 2356=item $ob->inv_recursive
1807 2357
1808Returns the inventory of the object _and_ their inventories, recursively. 2358Returns the inventory of the object I<and> their inventories, recursively,
2359but I<not> the object itself.
1809 2360
1810=cut 2361=cut
1811 2362
1812sub inv_recursive_; 2363sub inv_recursive_;
1813sub inv_recursive_ { 2364sub inv_recursive_ {
… …
1816 2367
1817sub inv_recursive { 2368sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2369 inv_recursive_ inv $_[0]
1819} 2370}
1820 2371
2372=item $ref = $ob->ref
2373
2374Creates and returns a persistent reference to an object that can be stored as a string.
2375
2376=item $ob = cf::object::deref ($refstring)
2377
2378returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2379even if the object actually exists. May block.
2380
2381=cut
2382
2383sub deref {
2384 my ($ref) = @_;
2385
2386 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2387 my ($uuid, $name) = ($1, $2);
2388 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2389 or return;
2390 $pl->ob->uuid eq $uuid
2391 or return;
2392
2393 $pl->ob
2394 } else {
2395 warn "$ref: cannot resolve object reference\n";
2396 undef
2397 }
2398}
2399
1821package cf; 2400package cf;
1822 2401
1823=back 2402=back
1824 2403
1825=head3 cf::object::player 2404=head3 cf::object::player
… …
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2410Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832can be C<undef>. Does the right thing when the player is currently in a 2411can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2412dialogue with the given NPC character.
1834 2413
1835=cut 2414=cut
2415
2416our $SAY_CHANNEL = {
2417 id => "say",
2418 title => "Map",
2419 reply => "say ",
2420 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2421};
2422
2423our $CHAT_CHANNEL = {
2424 id => "chat",
2425 title => "Chat",
2426 reply => "chat ",
2427 tooltip => "Player chat and shouts, global to the server.",
2428};
1836 2429
1837# rough implementation of a future "reply" method that works 2430# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2431# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2432#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2433sub cf::object::player::reply($$$;$) {
… …
1842 2435
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2436 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2437
1845 if ($self->{record_replies}) { 2438 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2439 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2440
1847 } else { 2441 } else {
2442 my $pl = $self->contr;
2443
2444 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2445 my $dialog = $pl->{npc_dialog};
2446 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2447
2448 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2449 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2450 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2451 }
1850 } 2452 }
2453}
2454
2455=item $object->send_msg ($channel, $msg, $color, [extra...])
2456
2457=cut
2458
2459sub cf::object::send_msg {
2460 my $pl = shift->contr
2461 or return;
2462 $pl->send_msg (@_);
1851} 2463}
1852 2464
1853=item $player_object->may ("access") 2465=item $player_object->may ("access")
1854 2466
1855Returns wether the given player is authorized to access resource "access" 2467Returns wether the given player is authorized to access resource "access"
… …
1868 2480
1869=item $player_object->enter_link 2481=item $player_object->enter_link
1870 2482
1871Freezes the player and moves him/her to a special map (C<{link}>). 2483Freezes the player and moves him/her to a special map (C<{link}>).
1872 2484
1873The player should be reasonably safe there for short amounts of time. You 2485The player should be reasonably safe there for short amounts of time (e.g.
1874I<MUST> call C<leave_link> as soon as possible, though. 2486for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2487though, as the palyer cannot control the character while it is on the link
2488map.
1875 2489
1876Will never block. 2490Will never block.
1877 2491
1878=item $player_object->leave_link ($map, $x, $y) 2492=item $player_object->leave_link ($map, $x, $y)
1879 2493
… …
1902 $self->deactivate_recursive; 2516 $self->deactivate_recursive;
1903 2517
1904 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2518 return if UNIVERSAL::isa $self->map, "ext::map_link";
1905 2519
1906 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2520 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907 if $self->map; 2521 if $self->map && $self->map->{path} ne "{link}";
1908 2522
1909 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2523 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1910} 2524}
1911 2525
1912sub cf::object::player::leave_link { 2526sub cf::object::player::leave_link {
1913 my ($self, $map, $x, $y) = @_; 2527 my ($self, $map, $x, $y) = @_;
2528
2529 return unless $self->contr->active;
1914 2530
1915 my $link_pos = delete $self->{_link_pos}; 2531 my $link_pos = delete $self->{_link_pos};
1916 2532
1917 unless ($map) { 2533 unless ($map) {
1918 # restore original map position 2534 # restore original map position
… …
1932 # use -1 or undef as default coordinates, not 0, 0 2548 # use -1 or undef as default coordinates, not 0, 0
1933 ($x, $y) = ($map->enter_x, $map->enter_y) 2549 ($x, $y) = ($map->enter_x, $map->enter_y)
1934 if $x <=0 && $y <= 0; 2550 if $x <=0 && $y <= 0;
1935 2551
1936 $map->load; 2552 $map->load;
1937 $map->load_diag; 2553 $map->load_neighbours;
1938 2554
1939 return unless $self->contr->active; 2555 return unless $self->contr->active;
1940 $self->activate_recursive;
1941 2556
1942 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2557 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943 $self->enter_map ($map, $x, $y); 2558 $self->enter_map ($map, $x, $y);
1944}
1945 2559
1946cf::player->attach ( 2560 # only activate afterwards, to support waiting in hooks
1947 on_logout => sub { 2561 $self->activate_recursive;
1948 my ($pl) = @_; 2562}
1949 2563
1950 # abort map switching before logout 2564=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1951 if ($pl->ob->{_link_pos}) {
1952 cf::sync_job {
1953 $pl->ob->leave_link
1954 };
1955 }
1956 },
1957 on_login => sub {
1958 my ($pl) = @_;
1959 2565
1960 # try to abort aborted map switching on player login :) 2566Moves the player to the given map-path and coordinates by first freezing
1961 # should happen only on crashes 2567her, loading and preparing them map, calling the provided $check callback
1962 if ($pl->ob->{_link_pos}) { 2568that has to return the map if sucecssful, and then unfreezes the player on
1963 $pl->ob->enter_link; 2569the new (success) or old (failed) map position. In either case, $done will
1964 (async { 2570be called at the end of this process.
1965 $pl->ob->reply (undef,
1966 "There was an internal problem at your last logout, "
1967 . "the server will try to bring you to your intended destination in a second.",
1968 cf::NDI_RED);
1969 # we need this sleep as the login has a concurrent enter_exit running
1970 # and this sleep increases chances of the player not ending up in scorn
1971 Coro::Timer::sleep 1;
1972 $pl->ob->leave_link;
1973 })->prio (2);
1974 }
1975 },
1976);
1977 2571
1978=item $player_object->goto ($path, $x, $y) 2572Note that $check will be called with a potentially non-loaded map, so if
2573it needs a loaded map it has to call C<< ->load >>.
1979 2574
1980=cut 2575=cut
2576
2577our $GOTOGEN;
1981 2578
1982sub cf::object::player::goto { 2579sub cf::object::player::goto {
1983 my ($self, $path, $x, $y) = @_; 2580 my ($self, $path, $x, $y, $check, $done) = @_;
2581
2582 # do generation counting so two concurrent goto's will be executed in-order
2583 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984 2584
1985 $self->enter_link; 2585 $self->enter_link;
1986 2586
1987 (async { 2587 (async {
2588 $Coro::current->{desc} = "player::goto $path $x $y";
2589
2590 # *tag paths override both path and x|y
2591 if ($path =~ /^\*(.*)$/) {
2592 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2593 my $ob = $obs[rand @obs];
2594
2595 # see if we actually can go there
2596 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2597 $ob = $obs[rand @obs];
2598 } else {
2599 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2600 }
2601 # else put us there anyways for now #d#
2602
2603 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2604 } else {
2605 ($path, $x, $y) = (undef, undef, undef);
2606 }
2607 }
2608
1988 my $map = eval { 2609 my $map = eval {
1989 my $map = cf::map::find $path; 2610 my $map = defined $path ? cf::map::find $path : undef;
2611
2612 if ($map) {
1990 $map = $map->customise_for ($self) if $map; 2613 $map = $map->customise_for ($self);
2614 $map = $check->($map) if $check && $map;
2615 } else {
2616 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2617 }
2618
1991 $map 2619 $map
2620 };
2621
2622 if ($@) {
2623 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2624 LOG llevError | logBacktrace, Carp::longmess $@;
1992 } or 2625 }
1993 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994 2626
2627 if ($gen == $self->{_goto_generation}) {
2628 delete $self->{_goto_generation};
1995 $self->leave_link ($map, $x, $y); 2629 $self->leave_link ($map, $x, $y);
2630 }
2631
2632 $done->() if $done;
1996 })->prio (1); 2633 })->prio (1);
1997} 2634}
1998 2635
1999=item $player_object->enter_exit ($exit_object) 2636=item $player_object->enter_exit ($exit_object)
2000 2637
… …
2020} 2657}
2021 2658
2022sub prepare_random_map { 2659sub prepare_random_map {
2023 my ($exit) = @_; 2660 my ($exit) = @_;
2024 2661
2025 my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027 # all this does is basically replace the /! path by 2662 # all this does is basically replace the /! path by
2028 # a new random map path (?random/...) with a seed 2663 # a new random map path (?random/...) with a seed
2029 # that depends on the exit object 2664 # that depends on the exit object
2030 2665
2031 my $rmp = parse_random_map_params $exit->msg; 2666 my $rmp = parse_random_map_params $exit->msg;
… …
2033 if ($exit->map) { 2668 if ($exit->map) {
2034 $rmp->{region} = $exit->region->name; 2669 $rmp->{region} = $exit->region->name;
2035 $rmp->{origin_map} = $exit->map->path; 2670 $rmp->{origin_map} = $exit->map->path;
2036 $rmp->{origin_x} = $exit->x; 2671 $rmp->{origin_x} = $exit->x;
2037 $rmp->{origin_y} = $exit->y; 2672 $rmp->{origin_y} = $exit->y;
2673
2674 $exit->map->touch;
2038 } 2675 }
2039 2676
2040 $rmp->{random_seed} ||= $exit->random_seed; 2677 $rmp->{random_seed} ||= $exit->random_seed;
2041 2678
2042 my $data = cf::to_json $rmp; 2679 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043 my $md5 = Digest::MD5::md5_hex $data; 2680 my $md5 = Digest::MD5::md5_hex $data;
2044 my $meta = "$RANDOMDIR/$md5.meta"; 2681 my $meta = "$RANDOMDIR/$md5.meta";
2045 2682
2046 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2683 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047 aio_write $fh, 0, (length $data), $data, 0; 2684 aio_write $fh, 0, (length $data), $data, 0;
2048 undef $fh; 2685 undef $fh;
2049 aio_rename "$meta~", $meta; 2686 aio_rename "$meta~", $meta;
2050 2687
2688 my $slaying = "?random/$md5";
2689
2690 if ($exit->valid) {
2051 $exit->slaying ("?random/$md5"); 2691 $exit->slaying ("?random/$md5");
2052 $exit->msg (undef); 2692 $exit->msg (undef);
2693 }
2053 } 2694 }
2054} 2695}
2055 2696
2056sub cf::object::player::enter_exit { 2697sub cf::object::player::enter_exit {
2057 my ($self, $exit) = @_; 2698 my ($self, $exit) = @_;
2058 2699
2059 return unless $self->type == cf::PLAYER; 2700 return unless $self->type == cf::PLAYER;
2060 2701
2061 if ($exit->slaying eq "/!") {
2062 #TODO: this should de-fi-ni-te-ly not be a sync-job
2063 # the problem is that $exit might not survive long enough
2064 # so it needs to be done right now, right here
2065 cf::sync_job { prepare_random_map $exit };
2066 }
2067
2068 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069 my $hp = $exit->stats->hp;
2070 my $sp = $exit->stats->sp;
2071
2072 $self->enter_link; 2702 $self->enter_link;
2073 2703
2074 (async { 2704 (async {
2075 $self->deactivate_recursive; # just to be sure 2705 $Coro::current->{desc} = "enter_exit";
2706
2076 unless (eval { 2707 unless (eval {
2708 $self->deactivate_recursive; # just to be sure
2709
2710 # random map handling
2711 {
2712 my $guard = cf::lock_acquire "exit_prepare:$exit";
2713
2714 prepare_random_map $exit
2715 if $exit->slaying eq "/!";
2716 }
2717
2718 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2719 my $x = $exit->stats->hp;
2720 my $y = $exit->stats->sp;
2721
2077 $self->goto ($slaying, $hp, $sp); 2722 $self->goto ($map, $x, $y);
2078 2723
2724 # if exit is damned, update players death & WoR home-position
2725 $self->contr->savebed ($map, $x, $y)
2726 if $exit->flag (cf::FLAG_DAMNED);
2727
2079 1; 2728 1
2080 }) { 2729 }) {
2081 $self->message ("Something went wrong deep within the crossfire server. " 2730 $self->message ("Something went wrong deep within the deliantra server. "
2082 . "I'll try to bring you back to the map you were before. " 2731 . "I'll try to bring you back to the map you were before. "
2083 . "Please report this to the dungeon master!", 2732 . "Please report this to the dungeon master!",
2084 cf::NDI_UNIQUE | cf::NDI_RED); 2733 cf::NDI_UNIQUE | cf::NDI_RED);
2085 2734
2086 warn "ERROR in enter_exit: $@"; 2735 warn "ERROR in enter_exit: $@";
… …
2105 2754
2106 utf8::encode $text; 2755 utf8::encode $text;
2107 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2756 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108} 2757}
2109 2758
2759=item $client->send_msg ($channel, $msg, $color, [extra...])
2760
2761Send a drawinfo or msg packet to the client, formatting the msg for the
2762client if neccessary. C<$type> should be a string identifying the type of
2763the message, with C<log> being the default. If C<$color> is negative, suppress
2764the message unless the client supports the msg packet.
2765
2766=cut
2767
2768# non-persistent channels (usually the info channel)
2769our %CHANNEL = (
2770 "c/motd" => {
2771 id => "infobox",
2772 title => "MOTD",
2773 reply => undef,
2774 tooltip => "The message of the day",
2775 },
2776 "c/identify" => {
2777 id => "infobox",
2778 title => "Identify",
2779 reply => undef,
2780 tooltip => "Items recently identified",
2781 },
2782 "c/examine" => {
2783 id => "infobox",
2784 title => "Examine",
2785 reply => undef,
2786 tooltip => "Signs and other items you examined",
2787 },
2788 "c/shopinfo" => {
2789 id => "infobox",
2790 title => "Shop Info",
2791 reply => undef,
2792 tooltip => "What your bargaining skill tells you about the shop",
2793 },
2794 "c/book" => {
2795 id => "infobox",
2796 title => "Book",
2797 reply => undef,
2798 tooltip => "The contents of a note or book",
2799 },
2800 "c/lookat" => {
2801 id => "infobox",
2802 title => "Look",
2803 reply => undef,
2804 tooltip => "What you saw there",
2805 },
2806 "c/who" => {
2807 id => "infobox",
2808 title => "Players",
2809 reply => undef,
2810 tooltip => "Shows players who are currently online",
2811 },
2812 "c/body" => {
2813 id => "infobox",
2814 title => "Body Parts",
2815 reply => undef,
2816 tooltip => "Shows which body parts you posess and are available",
2817 },
2818 "c/statistics" => {
2819 id => "infobox",
2820 title => "Statistics",
2821 reply => undef,
2822 tooltip => "Shows your primary statistics",
2823 },
2824 "c/skills" => {
2825 id => "infobox",
2826 title => "Skills",
2827 reply => undef,
2828 tooltip => "Shows your experience per skill and item power",
2829 },
2830 "c/shopitems" => {
2831 id => "infobox",
2832 title => "Shop Items",
2833 reply => undef,
2834 tooltip => "Shows the items currently for sale in this shop",
2835 },
2836 "c/resistances" => {
2837 id => "infobox",
2838 title => "Resistances",
2839 reply => undef,
2840 tooltip => "Shows your resistances",
2841 },
2842 "c/pets" => {
2843 id => "infobox",
2844 title => "Pets",
2845 reply => undef,
2846 tooltip => "Shows information abotu your pets/a specific pet",
2847 },
2848 "c/perceiveself" => {
2849 id => "infobox",
2850 title => "Perceive Self",
2851 reply => undef,
2852 tooltip => "You gained detailed knowledge about yourself",
2853 },
2854 "c/uptime" => {
2855 id => "infobox",
2856 title => "Uptime",
2857 reply => undef,
2858 tooltip => "How long the server has been running since last restart",
2859 },
2860 "c/mapinfo" => {
2861 id => "infobox",
2862 title => "Map Info",
2863 reply => undef,
2864 tooltip => "Information related to the maps",
2865 },
2866 "c/party" => {
2867 id => "party",
2868 title => "Party",
2869 reply => "gsay ",
2870 tooltip => "Messages and chat related to your party",
2871 },
2872 "c/death" => {
2873 id => "death",
2874 title => "Death",
2875 reply => undef,
2876 tooltip => "Reason for and more info about your most recent death",
2877 },
2878 "c/say" => $SAY_CHANNEL,
2879 "c/chat" => $CHAT_CHANNEL,
2880);
2881
2882sub cf::client::send_msg {
2883 my ($self, $channel, $msg, $color, @extra) = @_;
2884
2885 $msg = $self->pl->expand_cfpod ($msg)
2886 unless $color & cf::NDI_VERBATIM;
2887
2888 $color &= cf::NDI_CLIENT_MASK; # just in case...
2889
2890 # check predefined channels, for the benefit of C
2891 if ($CHANNEL{$channel}) {
2892 $channel = $CHANNEL{$channel};
2893
2894 $self->ext_msg (channel_info => $channel);
2895 $channel = $channel->{id};
2896
2897 } elsif (ref $channel) {
2898 # send meta info to client, if not yet sent
2899 unless (exists $self->{channel}{$channel->{id}}) {
2900 $self->{channel}{$channel->{id}} = $channel;
2901 $self->ext_msg (channel_info => $channel);
2902 }
2903
2904 $channel = $channel->{id};
2905 }
2906
2907 return unless @extra || length $msg;
2908
2909 # default colour, mask it out
2910 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2911 if $color & cf::NDI_DEF;
2912
2913 my $pkt = "msg "
2914 . $self->{json_coder}->encode (
2915 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2916 );
2917
2918 # try lzf for large packets
2919 $pkt = "lzf " . Compress::LZF::compress $pkt
2920 if 1024 <= length $pkt and $self->{can_lzf};
2921
2922 # split very large packets
2923 if (8192 < length $pkt and $self->{can_lzf}) {
2924 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2925 $pkt = "frag";
2926 }
2927
2928 $self->send_packet ($pkt);
2929}
2930
2110=item $client->ext_event ($type, %msg) 2931=item $client->ext_msg ($type, @msg)
2111 2932
2112Sends an exti event to the client. 2933Sends an ext event to the client.
2113 2934
2114=cut 2935=cut
2115 2936
2116sub cf::client::ext_event($$%) { 2937sub cf::client::ext_msg($$@) {
2117 my ($self, $type, %msg) = @_; 2938 my ($self, $type, @msg) = @_;
2118 2939
2940 if ($self->extcmd == 2) {
2941 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2942 } elsif ($self->extcmd == 1) { # TODO: remove
2119 $msg{msgtype} = "event_$type"; 2943 push @msg, msgtype => "event_$type";
2120 $self->send_packet ("ext " . cf::to_json \%msg); 2944 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2945 }
2946}
2947
2948=item $client->ext_reply ($msgid, @msg)
2949
2950Sends an ext reply to the client.
2951
2952=cut
2953
2954sub cf::client::ext_reply($$@) {
2955 my ($self, $id, @msg) = @_;
2956
2957 if ($self->extcmd == 2) {
2958 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2959 } elsif ($self->extcmd == 1) {
2960 #TODO: version 1, remove
2961 unshift @msg, msgtype => "reply", msgid => $id;
2962 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2963 }
2121} 2964}
2122 2965
2123=item $success = $client->query ($flags, "text", \&cb) 2966=item $success = $client->query ($flags, "text", \&cb)
2124 2967
2125Queues a query to the client, calling the given callback with 2968Queues a query to the client, calling the given callback with
2126the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2969the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2970C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128 2971
2129Queries can fail, so check the return code. Or don't, as queries will become 2972Queries can fail, so check the return code. Or don't, as queries will
2130reliable at some point in the future. 2973become reliable at some point in the future.
2131 2974
2132=cut 2975=cut
2133 2976
2134sub cf::client::query { 2977sub cf::client::query {
2135 my ($self, $flags, $text, $cb) = @_; 2978 my ($self, $flags, $text, $cb) = @_;
… …
2143 utf8::encode $text; 2986 utf8::encode $text;
2144 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2987 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145 2988
2146 $self->send_packet ($self->{query_queue}[0][0]) 2989 $self->send_packet ($self->{query_queue}[0][0])
2147 if @{ $self->{query_queue} } == 1; 2990 if @{ $self->{query_queue} } == 1;
2991
2992 1
2148} 2993}
2149 2994
2150cf::client->attach ( 2995cf::client->attach (
2996 on_connect => sub {
2997 my ($ns) = @_;
2998
2999 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3000 },
2151 on_reply => sub { 3001 on_reply => sub {
2152 my ($ns, $msg) = @_; 3002 my ($ns, $msg) = @_;
2153 3003
2154 # this weird shuffling is so that direct followup queries 3004 # this weird shuffling is so that direct followup queries
2155 # get handled first 3005 # get handled first
… …
2167 } else { 3017 } else {
2168 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3018 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169 } 3019 }
2170 } 3020 }
2171 }, 3021 },
3022 on_exticmd => sub {
3023 my ($ns, $buf) = @_;
3024
3025 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3026
3027 if (ref $msg) {
3028 my ($type, $reply, @payload) =
3029 "ARRAY" eq ref $msg
3030 ? @$msg
3031 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3032
3033 my @reply;
3034
3035 if (my $cb = $EXTICMD{$type}) {
3036 @reply = $cb->($ns, @payload);
3037 }
3038
3039 $ns->ext_reply ($reply, @reply)
3040 if $reply;
3041
3042 } else {
3043 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3044 }
3045
3046 cf::override;
3047 },
2172); 3048);
2173 3049
2174=item $client->async (\&cb) 3050=item $client->async (\&cb)
2175 3051
2176Create a new coroutine, running the specified callback. The coroutine will 3052Create a new coroutine, running the specified callback. The coroutine will
… …
2217our $safe = new Safe "safe"; 3093our $safe = new Safe "safe";
2218our $safe_hole = new Safe::Hole; 3094our $safe_hole = new Safe::Hole;
2219 3095
2220$SIG{FPE} = 'IGNORE'; 3096$SIG{FPE} = 'IGNORE';
2221 3097
2222$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3098$safe->permit_only (Opcode::opset qw(
3099 :base_core :base_mem :base_orig :base_math
3100 grepstart grepwhile mapstart mapwhile
3101 sort time
3102));
2223 3103
2224# here we export the classes and methods available to script code 3104# here we export the classes and methods available to script code
2225 3105
2226=pod 3106=pod
2227 3107
2228The following functions and methods are available within a safe environment: 3108The following functions and methods are available within a safe environment:
2229 3109
2230 cf::object contr pay_amount pay_player map 3110 cf::object
3111 contr pay_amount pay_player map x y force_find force_add destroy
3112 insert remove name archname title slaying race decrease split
3113 value
3114
2231 cf::object::player player 3115 cf::object::player
2232 cf::player peaceful 3116 player
2233 cf::map trigger 3117
3118 cf::player
3119 peaceful
3120
3121 cf::map
3122 trigger
2234 3123
2235=cut 3124=cut
2236 3125
2237for ( 3126for (
2238 ["cf::object" => qw(contr pay_amount pay_player map)], 3127 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128 insert remove inv nrof name archname title slaying race
3129 decrease split destroy change_exp value msg lore send_msg)],
2239 ["cf::object::player" => qw(player)], 3130 ["cf::object::player" => qw(player)],
2240 ["cf::player" => qw(peaceful)], 3131 ["cf::player" => qw(peaceful send_msg)],
2241 ["cf::map" => qw(trigger)], 3132 ["cf::map" => qw(trigger)],
2242) { 3133) {
2243 no strict 'refs'; 3134 no strict 'refs';
2244 my ($pkg, @funs) = @$_; 3135 my ($pkg, @funs) = @$_;
2245 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3136 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2262 my ($code, %vars) = @_; 3153 my ($code, %vars) = @_;
2263 3154
2264 my $qcode = $code; 3155 my $qcode = $code;
2265 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3156 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2266 $qcode =~ s/\n/\\n/g; 3157 $qcode =~ s/\n/\\n/g;
3158
3159 %vars = (_dummy => 0) unless %vars;
2267 3160
2268 local $_; 3161 local $_;
2269 local @safe::cf::_safe_eval_args = values %vars; 3162 local @safe::cf::_safe_eval_args = values %vars;
2270 3163
2271 my $eval = 3164 my $eval =
… …
2314=back 3207=back
2315 3208
2316=cut 3209=cut
2317 3210
2318############################################################################# 3211#############################################################################
2319
2320=head2 EXTENSION DATABASE SUPPORT
2321
2322Crossfire maintains a very simple database for extension use. It can
2323currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324convert to/from binary).
2325
2326The parameter C<$family> should best start with the name of the extension
2327using it, it should be unique.
2328
2329=over 4
2330
2331=item $value = cf::db_get $family => $key
2332
2333Returns a single value from the database.
2334
2335=item cf::db_put $family => $key => $value
2336
2337Stores the given C<$value> in the family.
2338
2339=cut
2340
2341our $DB;
2342
2343sub db_init {
2344 unless ($DB) {
2345 $DB = BDB::db_create $DB_ENV;
2346
2347 cf::sync_job {
2348 eval {
2349 $DB->set_flags (BDB::CHKSUM);
2350
2351 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353 cf::cleanup "db_open(db): $!" if $!;
2354 };
2355 cf::cleanup "db_open(db): $@" if $@;
2356 };
2357 }
2358}
2359
2360sub db_get($$) {
2361 my $key = "$_[0]/$_[1]";
2362
2363 cf::sync_job {
2364 BDB::db_get $DB, undef, $key, my $data;
2365
2366 $! ? ()
2367 : $data
2368 }
2369}
2370
2371sub db_put($$$) {
2372 BDB::dbreq_pri 4;
2373 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374}
2375
2376=item cf::cache $id => [$paths...], $processversion => $process
2377
2378Generic caching function that returns the value of the resource $id,
2379caching and regenerating as required.
2380
2381This function can block.
2382
2383=cut
2384
2385sub cache {
2386 my ($id, $src, $processversion, $process) = @_;
2387
2388 my $meta =
2389 join "\x00",
2390 $processversion,
2391 map {
2392 aio_stat $_
2393 and Carp::croak "$_: $!";
2394
2395 ($_, (stat _)[7,9])
2396 } @$src;
2397
2398 my $dbmeta = db_get cache => "$id/meta";
2399 if ($dbmeta ne $meta) {
2400 # changed, we may need to process
2401
2402 my @data;
2403 my $md5;
2404
2405 for (0 .. $#$src) {
2406 0 <= aio_load $src->[$_], $data[$_]
2407 or Carp::croak "$src->[$_]: $!";
2408 }
2409
2410 # if processing is expensive, check
2411 # checksum first
2412 if (1) {
2413 $md5 =
2414 join "\x00",
2415 $processversion,
2416 map {
2417 Coro::cede;
2418 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2419 } 0.. $#$src;
2420
2421
2422 my $dbmd5 = db_get cache => "$id/md5";
2423 if ($dbmd5 eq $md5) {
2424 db_put cache => "$id/meta", $meta;
2425
2426 return db_get cache => "$id/data";
2427 }
2428 }
2429
2430 my $t1 = Time::HiRes::time;
2431 my $data = $process->(\@data);
2432 my $t2 = Time::HiRes::time;
2433
2434 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436 db_put cache => "$id/data", $data;
2437 db_put cache => "$id/md5" , $md5;
2438 db_put cache => "$id/meta", $meta;
2439
2440 return $data;
2441 }
2442
2443 db_get cache => "$id/data"
2444}
2445
2446=item fork_call { }, $args
2447
2448Executes the given code block with the given arguments in a seperate
2449process, returning the results. Everything must be serialisable with
2450Coro::Storable. May, of course, block. Note that the executed sub may
2451never block itself or use any form of Event handling.
2452
2453=cut
2454
2455sub fork_call(&@) {
2456 my ($cb, @args) = @_;
2457
2458# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459# or die "socketpair: $!";
2460 pipe my $fh1, my $fh2
2461 or die "pipe: $!";
2462
2463 if (my $pid = fork) {
2464 close $fh2;
2465
2466 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467 $res = Coro::Storable::thaw $res;
2468
2469 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471 die $$res unless "ARRAY" eq ref $res;
2472
2473 return wantarray ? @$res : $res->[-1];
2474 } else {
2475 reset_signals;
2476 local $SIG{__WARN__};
2477 local $SIG{__DIE__};
2478 eval {
2479 close $fh1;
2480
2481 my @res = eval { $cb->(@args) };
2482 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483 };
2484
2485 warn $@ if $@;
2486 _exit 0;
2487 }
2488}
2489
2490
2491
2492#############################################################################
2493# the server's init and main functions 3212# the server's init and main functions
2494 3213
2495sub load_facedata($) { 3214sub load_facedata($) {
2496 my ($path) = @_; 3215 my ($path) = @_;
3216
3217 # HACK to clear player env face cache, we need some signal framework
3218 # for this (global event?)
3219 %ext::player_env::MUSIC_FACE_CACHE = ();
3220
3221 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2497 3222
2498 warn "loading facedata from $path\n"; 3223 warn "loading facedata from $path\n";
2499 3224
2500 my $facedata; 3225 my $facedata;
2501 0 < aio_load $path, $facedata 3226 0 < aio_load $path, $facedata
… …
2504 $facedata = Coro::Storable::thaw $facedata; 3229 $facedata = Coro::Storable::thaw $facedata;
2505 3230
2506 $facedata->{version} == 2 3231 $facedata->{version} == 2
2507 or cf::cleanup "$path: version mismatch, cannot proceed."; 3232 or cf::cleanup "$path: version mismatch, cannot proceed.";
2508 3233
3234 # patch in the exptable
3235 $facedata->{resource}{"res/exp_table"} = {
3236 type => FT_RSRC,
3237 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3238 };
3239 cf::cede_to_tick;
3240
2509 { 3241 {
2510 my $faces = $facedata->{faceinfo}; 3242 my $faces = $facedata->{faceinfo};
2511 3243
2512 while (my ($face, $info) = each %$faces) { 3244 while (my ($face, $info) = each %$faces) {
2513 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3245 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3246
2514 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3247 cf::face::set_visibility $idx, $info->{visibility};
3248 cf::face::set_magicmap $idx, $info->{magicmap};
2515 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3249 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2516 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3250 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2517 Coro::cede; 3251
3252 cf::cede_to_tick;
2518 } 3253 }
2519 3254
2520 while (my ($face, $info) = each %$faces) { 3255 while (my ($face, $info) = each %$faces) {
2521 next unless $info->{smooth}; 3256 next unless $info->{smooth};
3257
2522 my $idx = cf::face::find $face 3258 my $idx = cf::face::find $face
2523 or next; 3259 or next;
3260
2524 if (my $smooth = cf::face::find $info->{smooth}) { 3261 if (my $smooth = cf::face::find $info->{smooth}) {
3262 cf::face::set_smooth $idx, $smooth;
2525 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3263 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526 } else { 3264 } else {
2527 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3265 warn "smooth face '$info->{smooth}' not found for face '$face'";
2528 } 3266 }
2529 Coro::cede; 3267
3268 cf::cede_to_tick;
2530 } 3269 }
2531 } 3270 }
2532 3271
2533 { 3272 {
2534 my $anims = $facedata->{animinfo}; 3273 my $anims = $facedata->{animinfo};
2535 3274
2536 while (my ($anim, $info) = each %$anims) { 3275 while (my ($anim, $info) = each %$anims) {
2537 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3276 cf::anim::set $anim, $info->{frames}, $info->{facings};
2538 Coro::cede; 3277 cf::cede_to_tick;
2539 } 3278 }
2540 3279
2541 cf::anim::invalidate_all; # d'oh 3280 cf::anim::invalidate_all; # d'oh
2542 } 3281 }
2543 3282
3283 {
3284 # TODO: for gcfclient pleasure, we should give resources
3285 # that gcfclient doesn't grok a >10000 face index.
3286 my $res = $facedata->{resource};
3287
3288 while (my ($name, $info) = each %$res) {
3289 if (defined $info->{type}) {
3290 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3291 my $data;
3292
3293 if ($info->{type} & 1) {
3294 # prepend meta info
3295
3296 my $meta = $enc->encode ({
3297 name => $name,
3298 %{ $info->{meta} || {} },
3299 });
3300
3301 $data = pack "(w/a*)*", $meta, $info->{data};
3302 } else {
3303 $data = $info->{data};
3304 }
3305
3306 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3307 cf::face::set_type $idx, $info->{type};
3308 } else {
3309 $RESOURCE{$name} = $info;
3310 }
3311
3312 cf::cede_to_tick;
3313 }
3314 }
3315
3316 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3317
2544 1 3318 1
2545} 3319}
2546 3320
3321cf::global->attach (on_resource_update => sub {
3322 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3323 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3324
3325 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3326 my $sound = $soundconf->{compat}[$_]
3327 or next;
3328
3329 my $face = cf::face::find "sound/$sound->[1]";
3330 cf::sound::set $sound->[0] => $face;
3331 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3332 }
3333
3334 while (my ($k, $v) = each %{$soundconf->{event}}) {
3335 my $face = cf::face::find "sound/$v";
3336 cf::sound::set $k => $face;
3337 }
3338 }
3339});
3340
3341register_exticmd fx_want => sub {
3342 my ($ns, $want) = @_;
3343
3344 while (my ($k, $v) = each %$want) {
3345 $ns->fx_want ($k, $v);
3346 }
3347};
3348
3349sub load_resource_file($) {
3350 my $guard = lock_acquire "load_resource_file";
3351
3352 my $status = load_resource_file_ $_[0];
3353 get_slot 0.1, 100;
3354 cf::arch::commit_load;
3355
3356 $status
3357}
3358
2547sub reload_regions { 3359sub reload_regions {
3360 # HACK to clear player env face cache, we need some signal framework
3361 # for this (global event?)
3362 %ext::player_env::MUSIC_FACE_CACHE = ();
3363
2548 load_resource_file "$MAPDIR/regions" 3364 load_resource_file "$MAPDIR/regions"
2549 or die "unable to load regions file\n"; 3365 or die "unable to load regions file\n";
3366
3367 for (cf::region::list) {
3368 $_->{match} = qr/$_->{match}/
3369 if exists $_->{match};
3370 }
2550} 3371}
2551 3372
2552sub reload_facedata { 3373sub reload_facedata {
2553 load_facedata "$DATADIR/facedata" 3374 load_facedata "$DATADIR/facedata"
2554 or die "unable to load facedata\n"; 3375 or die "unable to load facedata\n";
… …
2565} 3386}
2566 3387
2567sub reload_resources { 3388sub reload_resources {
2568 warn "reloading resource files...\n"; 3389 warn "reloading resource files...\n";
2569 3390
2570 reload_regions;
2571 reload_facedata; 3391 reload_facedata;
2572 reload_archetypes; 3392 reload_archetypes;
3393 reload_regions;
2573 reload_treasures; 3394 reload_treasures;
2574 3395
2575 warn "finished reloading resource files\n"; 3396 warn "finished reloading resource files\n";
2576} 3397}
2577 3398
2578sub init { 3399sub reload_config {
2579 reload_resources; 3400 warn "reloading config file...\n";
2580}
2581 3401
2582sub cfg_load {
2583 open my $fh, "<:utf8", "$CONFDIR/config" 3402 open my $fh, "<:utf8", "$CONFDIR/config"
2584 or return; 3403 or return;
2585 3404
2586 local $/; 3405 local $/;
2587 *CFG = YAML::Syck::Load <$fh>; 3406 *CFG = YAML::XS::Load scalar <$fh>;
2588 3407
2589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3408 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2590 3409
2591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3410 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3411 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2596 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3415 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2597 and die "WARNING: m(un)lockall failed: $!\n"; 3416 and die "WARNING: m(un)lockall failed: $!\n";
2598 }; 3417 };
2599 warn $@ if $@; 3418 warn $@ if $@;
2600 } 3419 }
3420
3421 warn "finished reloading resource files\n";
3422}
3423
3424sub pidfile() {
3425 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3426 or die "$PIDFILE: $!";
3427 flock $fh, &Fcntl::LOCK_EX
3428 or die "$PIDFILE: flock: $!";
3429 $fh
3430}
3431
3432# make sure only one server instance is running at any one time
3433sub atomic {
3434 my $fh = pidfile;
3435
3436 my $pid = <$fh>;
3437 kill 9, $pid if $pid > 0;
3438
3439 seek $fh, 0, 0;
3440 print $fh $$;
3441}
3442
3443sub main_loop {
3444 warn "EV::loop starting\n";
3445 if (1) {
3446 EV::loop;
3447 }
3448 warn "EV::loop returned\n";
3449 goto &main_loop unless $REALLY_UNLOOP;
2601} 3450}
2602 3451
2603sub main { 3452sub main {
3453 cf::init_globals; # initialise logging
3454
3455 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3456 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3457 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3458 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3459
3460 cf::init_experience;
3461 cf::init_anim;
3462 cf::init_attackmess;
3463 cf::init_dynamic;
3464
3465 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3466
2604 # we must not ever block the main coroutine 3467 # we must not ever block the main coroutine
2605 local $Coro::idle = sub { 3468 local $Coro::idle = sub {
2606 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3469 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607 (async { 3470 (async {
2608 Event::one_event; 3471 $Coro::current->{desc} = "IDLE BUG HANDLER";
3472 EV::loop EV::LOOP_ONESHOT;
2609 })->prio (Coro::PRIO_MAX); 3473 })->prio (Coro::PRIO_MAX);
2610 }; 3474 };
2611 3475
2612 cfg_load; 3476 evthread_start IO::AIO::poll_fileno;
3477
3478 cf::sync_job {
3479 reload_resources;
3480 reload_config;
2613 db_init; 3481 db_init;
3482
3483 cf::load_settings;
3484 cf::load_materials;
3485 cf::init_uuid;
3486 cf::init_signals;
3487 cf::init_commands;
3488 cf::init_skills;
3489
3490 cf::init_beforeplay;
3491
3492 atomic;
3493
2614 load_extensions; 3494 load_extensions;
2615 3495
2616 $TICK_WATCHER->start; 3496 utime time, time, $RUNTIMEFILE;
2617 Event::loop; 3497
3498 # no (long-running) fork's whatsoever before this point(!)
3499 use POSIX ();
3500 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3501
3502 (pop @POST_INIT)->(0) while @POST_INIT;
3503 };
3504
3505 main_loop;
2618} 3506}
2619 3507
2620############################################################################# 3508#############################################################################
2621# initialisation and cleanup 3509# initialisation and cleanup
2622 3510
2623# install some emergency cleanup handlers 3511# install some emergency cleanup handlers
2624BEGIN { 3512BEGIN {
3513 our %SIGWATCHER = ();
2625 for my $signal (qw(INT HUP TERM)) { 3514 for my $signal (qw(INT HUP TERM)) {
2626 Event->signal ( 3515 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2627 reentrant => 0,
2628 data => WF_AUTOCANCEL,
2629 signal => $signal,
2630 prio => 0,
2631 cb => sub {
2632 cf::cleanup "SIG$signal"; 3516 cf::cleanup "SIG$signal";
2633 },
2634 ); 3517 };
3518 }
3519}
3520
3521sub write_runtime_sync {
3522 # first touch the runtime file to show we are still running:
3523 # the fsync below can take a very very long time.
3524
3525 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3526
3527 my $guard = cf::lock_acquire "write_runtime";
3528
3529 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3530 or return;
3531
3532 my $value = $cf::RUNTIME + 90 + 10;
3533 # 10 is the runtime save interval, for a monotonic clock
3534 # 60 allows for the watchdog to kill the server.
3535
3536 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3537 and return;
3538
3539 # always fsync - this file is important
3540 aio_fsync $fh
3541 and return;
3542
3543 # touch it again to show we are up-to-date
3544 aio_utime $fh, undef, undef;
3545
3546 close $fh
3547 or return;
3548
3549 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3550 and return;
3551
3552 warn "runtime file written.\n";
3553
2635 } 3554 1
3555}
3556
3557our $uuid_lock;
3558our $uuid_skip;
3559
3560sub write_uuid_sync($) {
3561 $uuid_skip ||= $_[0];
3562
3563 return if $uuid_lock;
3564 local $uuid_lock = 1;
3565
3566 my $uuid = "$LOCALDIR/uuid";
3567
3568 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3569 or return;
3570
3571 my $value = uuid_seq uuid_cur;
3572
3573 unless ($value) {
3574 warn "cowardly refusing to write zero uuid value!\n";
3575 return;
3576 }
3577
3578 my $value = uuid_str $value + $uuid_skip;
3579 $uuid_skip = 0;
3580
3581 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3582 and return;
3583
3584 # always fsync - this file is important
3585 aio_fsync $fh
3586 and return;
3587
3588 close $fh
3589 or return;
3590
3591 aio_rename "$uuid~", $uuid
3592 and return;
3593
3594 warn "uuid file written ($value).\n";
3595
3596 1
3597
3598}
3599
3600sub write_uuid($$) {
3601 my ($skip, $sync) = @_;
3602
3603 $sync ? write_uuid_sync $skip
3604 : async { write_uuid_sync $skip };
2636} 3605}
2637 3606
2638sub emergency_save() { 3607sub emergency_save() {
2639 my $freeze_guard = cf::freeze_mainloop; 3608 my $freeze_guard = cf::freeze_mainloop;
2640 3609
2641 warn "enter emergency perl save\n"; 3610 warn "emergency_perl_save: enter\n";
2642 3611
2643 cf::sync_job { 3612 cf::sync_job {
3613 # this is a trade-off: we want to be very quick here, so
3614 # save all maps without fsync, and later call a global sync
3615 # (which in turn might be very very slow)
3616 local $USE_FSYNC = 0;
3617
2644 # use a peculiar iteration method to avoid tripping on perl 3618 # use a peculiar iteration method to avoid tripping on perl
2645 # refcount bugs in for. also avoids problems with players 3619 # refcount bugs in for. also avoids problems with players
2646 # and maps saved/destroyed asynchronously. 3620 # and maps saved/destroyed asynchronously.
2647 warn "begin emergency player save\n"; 3621 warn "emergency_perl_save: begin player save\n";
2648 for my $login (keys %cf::PLAYER) { 3622 for my $login (keys %cf::PLAYER) {
2649 my $pl = $cf::PLAYER{$login} or next; 3623 my $pl = $cf::PLAYER{$login} or next;
2650 $pl->valid or next; 3624 $pl->valid or next;
3625 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651 $pl->save; 3626 $pl->save;
2652 } 3627 }
2653 warn "end emergency player save\n"; 3628 warn "emergency_perl_save: end player save\n";
2654 3629
2655 warn "begin emergency map save\n"; 3630 warn "emergency_perl_save: begin map save\n";
2656 for my $path (keys %cf::MAP) { 3631 for my $path (keys %cf::MAP) {
2657 my $map = $cf::MAP{$path} or next; 3632 my $map = $cf::MAP{$path} or next;
2658 $map->valid or next; 3633 $map->valid or next;
2659 $map->save; 3634 $map->save;
2660 } 3635 }
2661 warn "end emergency map save\n"; 3636 warn "emergency_perl_save: end map save\n";
2662 3637
2663 warn "begin emergency database checkpoint\n"; 3638 warn "emergency_perl_save: begin database checkpoint\n";
2664 BDB::db_env_txn_checkpoint $DB_ENV; 3639 BDB::db_env_txn_checkpoint $DB_ENV;
2665 warn "end emergency database checkpoint\n"; 3640 warn "emergency_perl_save: end database checkpoint\n";
3641
3642 warn "emergency_perl_save: begin write uuid\n";
3643 write_uuid_sync 1;
3644 warn "emergency_perl_save: end write uuid\n";
2666 }; 3645 };
2667 3646
3647 warn "emergency_perl_save: starting sync()\n";
3648 IO::AIO::aio_sync sub {
3649 warn "emergency_perl_save: finished sync()\n";
3650 };
3651
2668 warn "leave emergency perl save\n"; 3652 warn "emergency_perl_save: leave\n";
2669} 3653}
2670 3654
2671sub post_cleanup { 3655sub post_cleanup {
2672 my ($make_core) = @_; 3656 my ($make_core) = @_;
2673 3657
2674 warn Carp::longmess "post_cleanup backtrace" 3658 warn Carp::longmess "post_cleanup backtrace"
2675 if $make_core; 3659 if $make_core;
3660
3661 my $fh = pidfile;
3662 unlink $PIDFILE if <$fh> == $$;
3663}
3664
3665# a safer delete_package, copied from Symbol
3666sub clear_package($) {
3667 my $pkg = shift;
3668
3669 # expand to full symbol table name if needed
3670 unless ($pkg =~ /^main::.*::$/) {
3671 $pkg = "main$pkg" if $pkg =~ /^::/;
3672 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3673 $pkg .= '::' unless $pkg =~ /::$/;
3674 }
3675
3676 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3677 my $stem_symtab = *{$stem}{HASH};
3678
3679 defined $stem_symtab and exists $stem_symtab->{$leaf}
3680 or return;
3681
3682 # clear all symbols
3683 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3684 for my $name (keys %$leaf_symtab) {
3685 _gv_clear *{"$pkg$name"};
3686# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3687 }
3688 warn "cleared package $pkg\n";#d#
2676} 3689}
2677 3690
2678sub do_reload_perl() { 3691sub do_reload_perl() {
2679 # can/must only be called in main 3692 # can/must only be called in main
2680 if ($Coro::current != $Coro::main) { 3693 if ($Coro::current != $Coro::main) {
2681 warn "can only reload from main coroutine"; 3694 warn "can only reload from main coroutine";
2682 return; 3695 return;
2683 } 3696 }
2684 3697
3698 return if $RELOAD++;
3699
3700 my $t1 = EV::time;
3701
3702 while ($RELOAD) {
2685 warn "reloading..."; 3703 warn "reloading...";
2686 3704
2687 warn "entering sync_job"; 3705 warn "entering sync_job";
2688 3706
2689 cf::sync_job { 3707 cf::sync_job {
2690 cf::write_runtime; # external watchdog should not bark 3708 cf::write_runtime_sync; # external watchdog should not bark
2691 cf::emergency_save; 3709 cf::emergency_save;
2692 cf::write_runtime; # external watchdog should not bark 3710 cf::write_runtime_sync; # external watchdog should not bark
2693 3711
2694 warn "syncing database to disk"; 3712 warn "syncing database to disk";
2695 BDB::db_env_txn_checkpoint $DB_ENV; 3713 BDB::db_env_txn_checkpoint $DB_ENV;
2696 3714
2697 # if anything goes wrong in here, we should simply crash as we already saved 3715 # if anything goes wrong in here, we should simply crash as we already saved
2698 3716
2699 warn "cancelling all WF_AUTOCANCEL watchers";
2700 for (Event::all_watchers) {
2701 $_->cancel if $_->data & WF_AUTOCANCEL;
2702 }
2703
2704 warn "flushing outstanding aio requests"; 3717 warn "flushing outstanding aio requests";
2705 for (;;) {
2706 BDB::flush;
2707 IO::AIO::flush;
2708 Coro::cede;
2709 last unless IO::AIO::nreqs || BDB::nreqs; 3718 while (IO::AIO::nreqs || BDB::nreqs) {
2710 warn "iterate..."; 3719 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2711 }
2712
2713 ++$RELOAD;
2714
2715 warn "cancelling all extension coros";
2716 $_->cancel for values %EXT_CORO;
2717 %EXT_CORO = ();
2718
2719 warn "removing commands";
2720 %COMMAND = ();
2721
2722 warn "removing ext commands";
2723 %EXTCMD = ();
2724
2725 warn "unloading/nuking all extensions";
2726 for my $pkg (@EXTS) {
2727 warn "... unloading $pkg";
2728
2729 if (my $cb = $pkg->can ("unload")) {
2730 eval {
2731 $cb->($pkg);
2732 1
2733 } or warn "$pkg unloaded, but with errors: $@";
2734 } 3720 }
2735 3721
2736 warn "... nuking $pkg"; 3722 warn "cancelling all extension coros";
2737 Symbol::delete_package $pkg; 3723 $_->cancel for values %EXT_CORO;
2738 } 3724 %EXT_CORO = ();
2739 3725
2740 warn "unloading all perl modules loaded from $LIBDIR"; 3726 warn "removing commands";
2741 while (my ($k, $v) = each %INC) { 3727 %COMMAND = ();
2742 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743 3728
3729 warn "removing ext/exti commands";
3730 %EXTCMD = ();
3731 %EXTICMD = ();
3732
3733 warn "unloading/nuking all extensions";
3734 for my $pkg (@EXTS) {
2744 warn "... unloading $k"; 3735 warn "... unloading $pkg";
2745 delete $INC{$k};
2746 3736
2747 $k =~ s/\.pm$//;
2748 $k =~ s/\//::/g;
2749
2750 if (my $cb = $k->can ("unload_module")) { 3737 if (my $cb = $pkg->can ("unload")) {
3738 eval {
2751 $cb->(); 3739 $cb->($pkg);
3740 1
3741 } or warn "$pkg unloaded, but with errors: $@";
3742 }
3743
3744 warn "... clearing $pkg";
3745 clear_package $pkg;
2752 } 3746 }
2753 3747
2754 Symbol::delete_package $k; 3748 warn "unloading all perl modules loaded from $LIBDIR";
3749 while (my ($k, $v) = each %INC) {
3750 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3751
3752 warn "... unloading $k";
3753 delete $INC{$k};
3754
3755 $k =~ s/\.pm$//;
3756 $k =~ s/\//::/g;
3757
3758 if (my $cb = $k->can ("unload_module")) {
3759 $cb->();
3760 }
3761
3762 clear_package $k;
2755 } 3763 }
2756 3764
2757 warn "getting rid of safe::, as good as possible"; 3765 warn "getting rid of safe::, as good as possible";
2758 Symbol::delete_package "safe::$_" 3766 clear_package "safe::$_"
2759 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3767 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760 3768
2761 warn "unloading cf.pm \"a bit\""; 3769 warn "unloading cf.pm \"a bit\"";
2762 delete $INC{"cf.pm"}; 3770 delete $INC{"cf.pm"};
2763 delete $INC{"cf/pod.pm"}; 3771 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764 3772
2765 # don't, removes xs symbols, too, 3773 # don't, removes xs symbols, too,
2766 # and global variables created in xs 3774 # and global variables created in xs
2767 #Symbol::delete_package __PACKAGE__; 3775 #clear_package __PACKAGE__;
2768 3776
2769 warn "unload completed, starting to reload now"; 3777 warn "unload completed, starting to reload now";
2770 3778
2771 warn "reloading cf.pm"; 3779 warn "reloading cf.pm";
2772 require cf; 3780 require cf;
2773 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3781 cf::_connect_to_perl_1;
2774 3782
2775 warn "loading config and database again"; 3783 warn "loading config and database again";
2776 cf::cfg_load; 3784 cf::reload_config;
2777 3785
2778 warn "loading extensions"; 3786 warn "loading extensions";
2779 cf::load_extensions; 3787 cf::load_extensions;
2780 3788
3789 if ($REATTACH_ON_RELOAD) {
2781 warn "reattaching attachments to objects/players"; 3790 warn "reattaching attachments to objects/players";
2782 _global_reattach; # objects, sockets 3791 _global_reattach; # objects, sockets
2783 warn "reattaching attachments to maps"; 3792 warn "reattaching attachments to maps";
2784 reattach $_ for values %MAP; 3793 reattach $_ for values %MAP;
2785 warn "reattaching attachments to players"; 3794 warn "reattaching attachments to players";
2786 reattach $_ for values %PLAYER; 3795 reattach $_ for values %PLAYER;
3796 }
2787 3797
3798 warn "running post_init jobs";
3799 (pop @POST_INIT)->(1) while @POST_INIT;
3800
2788 warn "leaving sync_job"; 3801 warn "leaving sync_job";
2789 3802
2790 1 3803 1
2791 } or do { 3804 } or do {
2792 warn $@; 3805 warn $@;
2793 warn "error while reloading, exiting."; 3806 cf::cleanup "error while reloading, exiting.";
2794 exit 1;
2795 }; 3807 };
2796 3808
2797 warn "reloaded"; 3809 warn "reloaded";
3810 --$RELOAD;
3811 }
3812
3813 $t1 = EV::time - $t1;
3814 warn "reload completed in ${t1}s\n";
2798}; 3815};
2799 3816
2800our $RELOAD_WATCHER; # used only during reload 3817our $RELOAD_WATCHER; # used only during reload
2801 3818
2802sub reload_perl() { 3819sub reload_perl() {
2803 # doing reload synchronously and two reloads happen back-to-back, 3820 # doing reload synchronously and two reloads happen back-to-back,
2804 # coro crashes during coro_state_free->destroy here. 3821 # coro crashes during coro_state_free->destroy here.
2805 3822
2806 $RELOAD_WATCHER ||= Event->timer ( 3823 $RELOAD_WATCHER ||= cf::async {
2807 reentrant => 0, 3824 Coro::AIO::aio_wait cache_extensions;
2808 after => 0, 3825
2809 data => WF_AUTOCANCEL, 3826 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2810 cb => sub {
2811 do_reload_perl; 3827 do_reload_perl;
2812 undef $RELOAD_WATCHER; 3828 undef $RELOAD_WATCHER;
2813 }, 3829 };
2814 ); 3830 };
2815} 3831}
2816 3832
2817register_command "reload" => sub { 3833register_command "reload" => sub {
2818 my ($who, $arg) = @_; 3834 my ($who, $arg) = @_;
2819 3835
2820 if ($who->flag (FLAG_WIZ)) { 3836 if ($who->flag (FLAG_WIZ)) {
2821 $who->message ("reloading server."); 3837 $who->message ("reloading server.");
3838 async {
3839 $Coro::current->{desc} = "perl_reload";
2822 async { reload_perl }; 3840 reload_perl;
3841 };
2823 } 3842 }
2824}; 3843};
2825 3844
2826unshift @INC, $LIBDIR; 3845unshift @INC, $LIBDIR;
2827 3846
… …
2829 3848
2830our @WAIT_FOR_TICK; 3849our @WAIT_FOR_TICK;
2831our @WAIT_FOR_TICK_BEGIN; 3850our @WAIT_FOR_TICK_BEGIN;
2832 3851
2833sub wait_for_tick { 3852sub wait_for_tick {
2834 return unless $TICK_WATCHER->is_active;
2835 return if $Coro::current == $Coro::main; 3853 return if tick_inhibit || $Coro::current == $Coro::main;
2836 3854
2837 my $signal = new Coro::Signal; 3855 my $signal = new Coro::Signal;
2838 push @WAIT_FOR_TICK, $signal; 3856 push @WAIT_FOR_TICK, $signal;
2839 $signal->wait; 3857 $signal->wait;
2840} 3858}
2841 3859
2842sub wait_for_tick_begin { 3860sub wait_for_tick_begin {
2843 return unless $TICK_WATCHER->is_active;
2844 return if $Coro::current == $Coro::main; 3861 return if tick_inhibit || $Coro::current == $Coro::main;
2845 3862
2846 my $signal = new Coro::Signal; 3863 my $signal = new Coro::Signal;
2847 push @WAIT_FOR_TICK_BEGIN, $signal; 3864 push @WAIT_FOR_TICK_BEGIN, $signal;
2848 $signal->wait; 3865 $signal->wait;
2849} 3866}
2850 3867
2851$TICK_WATCHER = Event->timer ( 3868sub tick {
2852 reentrant => 0,
2853 parked => 1,
2854 prio => 0,
2855 at => $NEXT_TICK || $TICK,
2856 data => WF_AUTOCANCEL,
2857 cb => sub {
2858 if ($Coro::current != $Coro::main) { 3869 if ($Coro::current != $Coro::main) {
2859 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3870 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860 unless ++$bug_warning > 10; 3871 unless ++$bug_warning > 10;
2861 return; 3872 return;
2862 } 3873 }
2863 3874
2864 $NOW = $tick_start = Event::time;
2865
2866 cf::server_tick; # one server iteration 3875 cf::server_tick; # one server iteration
2867 3876
2868 $RUNTIME += $TICK;
2869 $NEXT_TICK += $TICK;
2870
2871 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3877 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872 $NEXT_RUNTIME_WRITE = $NOW + 10; 3878 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873 Coro::async_pool { 3879 Coro::async_pool {
3880 $Coro::current->{desc} = "runtime saver";
2874 write_runtime 3881 write_runtime_sync
2875 or warn "ERROR: unable to write runtime file: $!"; 3882 or warn "ERROR: unable to write runtime file: $!";
2876 };
2877 } 3883 };
3884 }
2878 3885
2879# my $AFTER = Event::time;
2880# warn $AFTER - $NOW;#d#
2881
2882 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3886 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883 $sig->send; 3887 $sig->send;
2884 } 3888 }
2885 while (my $sig = shift @WAIT_FOR_TICK) { 3889 while (my $sig = shift @WAIT_FOR_TICK) {
2886 $sig->send; 3890 $sig->send;
2887 } 3891 }
2888 3892
2889 $NOW = Event::time; 3893 $LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891 # if we are delayed by four ticks or more, skip them all
2892 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894 $TICK_WATCHER->at ($NEXT_TICK);
2895 $TICK_WATCHER->start;
2896
2897 $LOAD = ($NOW - $tick_start) / $TICK;
2898 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3894 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899 3895
2900 _post_tick; 3896 if (0) {
2901 3897 if ($NEXT_TICK) {
2902 3898 my $jitter = $TICK_START - $NEXT_TICK;
3899 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3900 warn "jitter $JITTER\n";#d#
3901 }
2903 }, 3902 }
2904); 3903}
2905 3904
2906{ 3905{
2907 BDB::max_poll_time $TICK * 0.1; 3906 # configure BDB
2908 $BDB_POLL_WATCHER = Event->io ( 3907
2909 reentrant => 0,
2910 fd => BDB::poll_fileno,
2911 poll => 'r',
2912 prio => 0,
2913 data => WF_AUTOCANCEL,
2914 cb => \&BDB::poll_cb,
2915 );
2916 BDB::min_parallel 8; 3908 BDB::min_parallel 8;
2917 3909 BDB::max_poll_reqs $TICK * 0.1;
2918 BDB::set_sync_prepare { 3910 $AnyEvent::BDB::WATCHER->priority (1);
2919 my $status;
2920 my $current = $Coro::current;
2921 (
2922 sub {
2923 $status = $!;
2924 $current->ready; undef $current;
2925 },
2926 sub {
2927 Coro::schedule while defined $current;
2928 $! = $status;
2929 },
2930 )
2931 };
2932 3911
2933 unless ($DB_ENV) { 3912 unless ($DB_ENV) {
2934 $DB_ENV = BDB::db_env_create; 3913 $DB_ENV = BDB::db_env_create;
3914 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3915 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3916 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3917 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3918 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935 3919
2936 cf::sync_job { 3920 cf::sync_job {
2937 eval { 3921 eval {
2938 BDB::db_env_open 3922 BDB::db_env_open
2939 $DB_ENV, 3923 $DB_ENV,
… …
2941 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3925 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3926 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943 0666; 3927 0666;
2944 3928
2945 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3929 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948 $DB_ENV->set_lk_detect;
2949 }; 3930 };
2950 3931
2951 cf::cleanup "db_env_open(db): $@" if $@; 3932 cf::cleanup "db_env_open(db): $@" if $@;
2952 }; 3933 };
2953 } 3934 }
3935
3936 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3937 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3938 };
3939 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3940 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3941 };
3942 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3943 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3944 };
2954} 3945}
2955 3946
2956{ 3947{
3948 # configure IO::AIO
3949
2957 IO::AIO::min_parallel 8; 3950 IO::AIO::min_parallel 8;
2958
2959 undef $Coro::AIO::WATCHER;
2960 IO::AIO::max_poll_time $TICK * 0.1; 3951 IO::AIO::max_poll_time $TICK * 0.1;
2961 $AIO_POLL_WATCHER = Event->io ( 3952 undef $AnyEvent::AIO::WATCHER;
2962 reentrant => 0,
2963 data => WF_AUTOCANCEL,
2964 fd => IO::AIO::poll_fileno,
2965 poll => 'r',
2966 prio => 6,
2967 cb => \&IO::AIO::poll_cb,
2968 );
2969} 3953}
2970 3954
2971my $_log_backtrace; 3955my $_log_backtrace;
2972 3956
2973sub _log_backtrace { 3957sub _log_backtrace {
… …
2976 $msg =~ s/\n//; 3960 $msg =~ s/\n//;
2977 3961
2978 # limit the # of concurrent backtraces 3962 # limit the # of concurrent backtraces
2979 if ($_log_backtrace < 2) { 3963 if ($_log_backtrace < 2) {
2980 ++$_log_backtrace; 3964 ++$_log_backtrace;
3965 my $perl_bt = Carp::longmess $msg;
2981 async { 3966 async {
3967 $Coro::current->{desc} = "abt $msg";
3968
2982 my @bt = fork_call { 3969 my @bt = fork_call {
2983 @addr = map { sprintf "%x", $_ } @addr; 3970 @addr = map { sprintf "%x", $_ } @addr;
2984 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3971 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3972 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986 or die "addr2line: $!"; 3973 or die "addr2line: $!";
… …
2994 } 3981 }
2995 3982
2996 @funcs 3983 @funcs
2997 }; 3984 };
2998 3985
2999 LOG llevInfo, "[ABT] $msg\n"; 3986 LOG llevInfo, "[ABT] $perl_bt\n";
3987 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000 LOG llevInfo, "[ABT] $_\n" for @bt; 3988 LOG llevInfo, "[ABT] $_\n" for @bt;
3001 --$_log_backtrace; 3989 --$_log_backtrace;
3002 }; 3990 };
3003 } else { 3991 } else {
3004 LOG llevInfo, "[ABT] $msg\n"; 3992 LOG llevInfo, "[ABT] $msg\n";
3005 LOG llevInfo, "[ABT] [suppressed]\n"; 3993 LOG llevInfo, "[ABT] [suppressed]\n";
3006 } 3994 }
3007} 3995}
3008 3996
3009# load additional modules 3997# load additional modules
3010use cf::pod; 3998require "cf/$_.pm" for @EXTRA_MODULES;
3999cf::_connect_to_perl_2;
3011 4000
3012END { cf::emergency_save } 4001END { cf::emergency_save }
3013 4002
30141 40031
3015 4004

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