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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.259 by root, Sat Apr 21 17:46:39 2007 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 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
138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
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 $REALLY_UNLOOP; # never set to true, please :)
147
95binmode STDOUT; 148binmode STDOUT;
96binmode STDERR; 149binmode STDERR;
97 150
98# read virtual server time, if available 151# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 153 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
103} 156}
157
158eval "sub TICK() { $TICK } 1" or die;
104 159
105mkdir $_ 160mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107 162
108our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
109 164
110sub 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::"} };
111 177
112############################################################################# 178#############################################################################
113 179
114=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
115 181
… …
139 205
140=item $cf::TICK 206=item $cf::TICK
141 207
142The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
143 209
210=item $cf::LOADAVG
211
212The current CPU load on the server (alpha-smoothed), as a value between 0
213(none) and 1 (overloaded), indicating how much time is spent on processing
214objects per tick. Healthy values are < 0.5.
215
216=item $cf::LOAD
217
218The raw value load value from the last tick.
219
144=item %cf::CFG 220=item %cf::CFG
145 221
146Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 223from wherever your confdir points to.
148 224
149=item cf::wait_for_tick, cf::wait_for_tick_begin 225=item cf::wait_for_tick, cf::wait_for_tick_begin
150 226
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 228returns directly I<after> the tick processing (and consequently, can only wake one process
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
242
155=back 243=back
156 244
157=cut 245=cut
158 246
159BEGIN { 247$Coro::State::WARNHOOK = sub {
160 *CORE::GLOBAL::warn = sub {
161 my $msg = join "", @_; 248 my $msg = join "", @_;
162 249
163 $msg .= "\n" 250 $msg .= "\n"
164 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
165 252
166 $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;
167 254
168 utf8::encode $msg;
169 LOG llevError, $msg; 255 LOG llevError, $msg;
170 }; 256};
171} 257
258$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};
172 271
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@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';
178@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)
179 279
180# 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
181# within the Safe compartment. 281# within the Safe compartment.
182for my $pkg (qw( 282for my $pkg (qw(
183 cf::global cf::attachable 283 cf::global cf::attachable
184 cf::object cf::object::player 284 cf::object cf::object::player
185 cf::client cf::player 285 cf::client cf::player
186 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
187 cf::map cf::party cf::region 288 cf::party cf::region
188)) { 289)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 291}
192 292
193$Event::DIED = sub { 293$EV::DIED = sub {
194 warn "error in event callback: @_"; 294 warn "error in event callback: @_";
195}; 295};
296
297#############################################################################
196 298
197=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
198 300
199=over 4 301=over 4
200 302
… …
219 $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;
220 $d 322 $d
221 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
222} 324}
223 325
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
227 327
228Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
229 329
230=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
231 331
232Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
233 333
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
234=item cf::lock_wait $string 355=item cf::lock_wait $string
235 356
236Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
237 358
238=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
239 360
240Wait 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
241a 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,
242for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
243returned. 364returned.
244 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
245Lock 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
246uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
247 371
248=item $locked = cf::lock_active $string 372=item $locked = cf::lock_active $string
249 373
250Return 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.
251 375
252=cut 376=cut
253 377
254our %LOCK; 378our $LOCKS = new Coro::SemaphoreSet;
255 379
256sub lock_wait($) { 380sub lock_wait($) {
257 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
258
259 # wait for lock, if any
260 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule;
263 }
264} 382}
265 383
266sub lock_acquire($) { 384sub lock_acquire($) {
267 my ($key) = @_; 385 $LOCKS->guard ($_[0])
268
269 # wait, to be sure we are not locked
270 lock_wait $key;
271
272 $LOCK{$key} = [];
273
274 Coro::guard {
275 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} };
277 }
278} 386}
279 387
280sub lock_active($) { 388sub lock_active($) {
281 my ($key) = @_; 389 $LOCKS->count ($_[0]) < 1
282
283 ! ! $LOCK{$key}
284} 390}
285 391
286sub freeze_mainloop { 392sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
288 394
289 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
290 $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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
291 }; 456 }
292 $TICK_WATCHER->stop; 457};
293 $guard 458
459sub get_slot($;$$) {
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 $sig->wait;
294} 471}
295 472
296=item cf::async { BLOCK } 473=item cf::async { BLOCK }
297 474
298Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
303 480
304BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
305 482
306=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
307 484
308The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
311 489
312If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
315fast or be very important. 493fast or be very important.
… …
318 496
319sub sync_job(&) { 497sub sync_job(&) {
320 my ($job) = @_; 498 my ($job) = @_;
321 499
322 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
501 my $time = EV::time;
502
323 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
325 505
326 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 507
328 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
329 509
330 my $busy = 1; 510 my $busy = 1;
331 my @res; 511 my @res;
332 512
333 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 515 @res = eval { $job->() };
335 warn $@ if $@; 516 warn $@ if $@;
336 undef $busy; 517 undef $busy;
337 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
338 519
339 while ($busy) { 520 while ($busy) {
340 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
341 } 525 }
526 }
527
528 my $time = EV::time - $time;
529
530 $TICK_START += $time; # do not account sync jobs to server load
342 531
343 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
344 } else { 533 } else {
345 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
346 535
… …
366 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
367 556
368 $coro 557 $coro
369} 558}
370 559
371sub write_runtime { 560=item fork_call { }, $args
372 my $guard = cf::lock_acquire "write_runtime";
373 561
374 my $runtime = "$LOCALDIR/runtime"; 562Executes the given code block with the given arguments in a seperate
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.
375 566
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 567=cut
377 or return;
378 568
379 my $value = $cf::RUNTIME + 90 + 10; 569sub fork_call(&@) {
380 # 10 is the runtime save interval, for a monotonic clock 570 my ($cb, @args) = @_;
381 # 60 allows for the watchdog to kill the server.
382 571
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 572 # we seemingly have to make a local copy of the whole thing,
384 and return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
385 575
386 # always fsync - this file is important 576 my @res = Coro::Util::fork_eval {
387 aio_fsync $fh 577 reset_signals;
388 and return; 578 &$cb
579 }, @args;
389 580
390 close $fh 581 wantarray ? @res : $res[-1]
391 or return; 582}
392 583
393 aio_rename "$runtime~", $runtime 584=item $coin = coin_from_name $name
394 and return;
395 585
586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
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 $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
396 1 660 }
661}
662
663sub db_put($$$) {
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"
397} 736}
398 737
399=item cf::datalog type => key => value, ... 738=item cf::datalog type => key => value, ...
400 739
401Log 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.
… …
413 752
414############################################################################# 753#############################################################################
415 754
416=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
417 756
418Many 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
419attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
421 760
422In 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>
423C<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
424crossfire+). 763Deliantra).
425 764
426=over 4 765=over 4
427 766
428=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
429 768
… …
473=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
474 813
475Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
476given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
477 816
478Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
479that 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.
480 819
481These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
482 821
483=over 4 822=over 4
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 931 $registry = $CB_TYPE[$object_type] ||= [];
593 932
594 } elsif ($type eq "subtype") { 933 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 934 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 935 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 936 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 937
599 } elsif ($type eq "package") { 938 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 939 my $pkg = shift @arg;
601 940
602 while (my ($name, $id) = each %cb_id) { 941 while (my ($name, $id) = each %cb_id) {
… …
631 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
632 } 971 }
633 972
634 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
635 } else { 974 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
637 } 976 }
638 977
639 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
640} 979}
641 980
… …
643 if (ref $_[0]) { 982 if (ref $_[0]) {
644 _object_attach @_; 983 _object_attach @_;
645 } else { 984 } else {
646 _attach shift->_attach_registry, @_; 985 _attach shift->_attach_registry, @_;
647 } 986 }
987 _recalc_want;
648}; 988};
649 989
650# all those should be optimised 990# all those should be optimised
651sub cf::attachable::detach { 991sub cf::attachable::detach {
652 my ($obj, $name) = @_; 992 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 995 delete $obj->{_attachment}{$name};
656 reattach ($obj); 996 reattach ($obj);
657 } else { 997 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 998 Carp::croak "cannot, currently, detach class attachments";
659 } 999 }
1000 _recalc_want;
660}; 1001};
661 1002
662sub cf::attachable::attached { 1003sub cf::attachable::attached {
663 my ($obj, $name) = @_; 1004 my ($obj, $name) = @_;
664 1005
… …
679 "; 1020 ";
680 die if $@; 1021 die if $@;
681} 1022}
682 1023
683our $override; 1024our $override;
684our @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?
685 1026
686sub override { 1027sub override {
687 $override = 1; 1028 $override = 1;
688 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
689} 1030}
690 1031
691sub do_invoke { 1032sub do_invoke {
692 my $event = shift; 1033 my $event = shift;
693 my $callbacks = shift; 1034 my $callbacks = shift;
694 1035
695 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
696 1037
697 local $override; 1038 local $override;
698 1039
699 for (@$callbacks) { 1040 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
709 } 1050 }
710 1051
711 0 1052 0
712} 1053}
713 1054
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1056
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1058
718Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
719 1060
720This 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
721removed 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
722results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1064
724=back 1065=back
725 1066
726=cut 1067=cut
727 1068
728############################################################################# 1069#############################################################################
729# 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, $ob2
1112}
730 1113
731sub reattach { 1114sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1116 my ($obj) = @_;
734 1117
1118 # no longer needed after getting rid of delete_package?
735 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
736 1120
737 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
738 1122
739 @$registry = (); 1123 @$registry = ();
740 1124
… …
755cf::attachable->attach ( 1139cf::attachable->attach (
756 prio => -1000000, 1140 prio => -1000000,
757 on_instantiate => sub { 1141 on_instantiate => sub {
758 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
759 1143
760 $data = from_json $data; 1144 $data = decode_json $data;
761 1145
762 for (@$data) { 1146 for (@$data) {
763 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
764 1148
765 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1165sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
783 1167
784 sync_job { 1168 sync_job {
785 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
788 1173
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 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 }
793 close $fh; 1181 aio_close $fh;
794 1182
795 if (@$objs) { 1183 if (@$objs) {
796 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) {
797 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
800 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 }
801 close $fh; 1192 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
803 } 1194 }
804 } else { 1195 } else {
805 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
806 } 1197 }
807 1198
808 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
809 } else { 1203 } else {
810 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
811 } 1205 }
812 } else { 1206 } else {
813 aio_unlink $filename; 1207 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
815 } 1209 }
816 } 1210 };
817} 1211}
818 1212
819sub object_freezer_as_string { 1213sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
821 1215
… …
833 or return; 1227 or return;
834 1228
835 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
837 or return; 1231 or return;
1232
838 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
839 } 1235 }
840 1236
1237 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
843 return ($data, $av); 1241 ($data, $av)
844} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
845 1249
846############################################################################# 1250#############################################################################
847# command handling &c 1251# command handling &c
848 1252
849=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1267}
864 1268
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1270
867Register 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.
868 1276
869If 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
870called. 1278called.
871 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
872=cut 1291=cut
873 1292
874sub register_extcmd { 1293sub register_extcmd {
875 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
876 1295
877 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
878} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
879 1306
880cf::player->attach ( 1307cf::player->attach (
881 on_command => sub { 1308 on_command => sub {
882 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
883 1310
… …
891 cf::override; 1318 cf::override;
892 }, 1319 },
893 on_extcmd => sub { 1320 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
895 1322
896 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1324
898 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
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
904 } else { 1340 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1342 }
907 1343
908 cf::override; 1344 cf::override;
909 }, 1345 },
910); 1346);
911 1347
1348# "readahead" all extensions
912sub load_extension { 1349sub cache_extensions {
913 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
914 1351
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
917 my $pkg = $1; 1354 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 } 1355 }
940 die $@;
941 } 1356 };
942 1357
943 push @EXTS, $pkg; 1358 $grp
944} 1359}
945 1360
946sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
947 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1366 next unless -r $path;
949 eval { 1367
950 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 $progress = 1;
951 1 1424 }
952 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
953 } 1430 };
954} 1431}
955 1432
956############################################################################# 1433#############################################################################
957 1434
1435=back
1436
958=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
959 1438
960Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
961 1440
962=cut 1441=cut
963 1442
964package cf::player; 1443package cf::player;
965 1444
966use Coro::AIO; 1445use Coro::AIO;
967 1446
968=head3 cf::player 1447=head3 cf::player
969 1448
970=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}
971 1464
972=item cf::player::find $login 1465=item cf::player::find $login
973 1466
974Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
975 1468
… …
994 1487
995sub exists($) { 1488sub exists($) {
996 my ($login) = @_; 1489 my ($login) = @_;
997 1490
998 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
999 or cf::sync_job { !aio_stat path $login } 1492 or !aio_stat path $login
1000} 1493}
1001 1494
1002sub find($) { 1495sub find($) {
1003 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
1004 my $login = $_[0]; 1497 my $login = $_[0];
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1507 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1508
1016 my $pl = load_pl path $login 1509 my $f = new_from_file cf::object::thawer path $login
1017 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;
1018 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
1019 } 1518 }
1020 } 1519 }
1021} 1520}
1022 1521
… …
1031 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
1032 1531
1033 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
1035 1534
1535 cf::get_slot 0.01;
1536
1036 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
1037 Coro::cede; 1538 cf::cede_to_tick;
1038} 1539}
1039 1540
1040sub new($) { 1541sub new($) {
1041 my ($login) = @_; 1542 my ($login) = @_;
1042 1543
… …
1048 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1049 1550
1050 $self 1551 $self
1051} 1552}
1052 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
1053=item $pl->quit_character 1564=item $pl->quit_character
1054 1565
1055Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1057 1568
… …
1061 my ($pl) = @_; 1572 my ($pl) = @_;
1062 1573
1063 my $name = $pl->ob->name; 1574 my $name = $pl->ob->name;
1064 1575
1065 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1066 $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
1067 1578
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1069 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1071 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1072 1585
1073 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1110 or return []; 1623 or return [];
1111 1624
1112 my @logins; 1625 my @logins;
1113 1626
1114 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") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1118 1637
1119 utf8::decode $login; 1638 utf8::decode $login;
1120 push @logins, $login; 1639 push @logins, $login;
1121 } 1640 }
1122 1641
… …
1149 } 1668 }
1150 1669
1151 \@paths 1670 \@paths
1152} 1671}
1153 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1154=item $player->ext_reply ($msgid, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1155 1678
1156Sends an ext reply to the player. 1679Sends an ext reply to the player.
1157 1680
1158=cut 1681=cut
1159 1682
1160sub ext_reply($$%) { 1683sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1162 1685
1163 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1687}
1167 1688
1168=item $player->ext_event ($type, %msg) 1689=item $player->ext_msg ($type, @msg)
1169 1690
1170Sends an ext event to the client. 1691Sends an ext event to the client.
1171 1692
1172=cut 1693=cut
1173 1694
1174sub ext_event($$%) { 1695sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1696 my ($self, $type, @msg) = @_;
1176 1697
1177 $self->ns->ext_event ($type, %msg); 1698 $self->ns->ext_msg ($type, @msg);
1178} 1699}
1179 1700
1180=head3 cf::region 1701=head3 cf::region
1181 1702
1182=over 4 1703=over 4
… …
1185 1706
1186package cf::region; 1707package cf::region;
1187 1708
1188=item cf::region::find_by_path $path 1709=item cf::region::find_by_path $path
1189 1710
1190Tries to decuce the probable region for a map knowing only its path. 1711Tries to decuce the likely region for a map knowing only its path.
1191 1712
1192=cut 1713=cut
1193 1714
1194sub find_by_path($) { 1715sub find_by_path($) {
1195 my ($path) = @_; 1716 my ($path) = @_;
1196 1717
1197 my ($match, $specificity); 1718 my ($match, $specificity);
1198 1719
1199 for my $region (list) { 1720 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1721 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1722 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1723 if $region->specificity > $specificity;
1203 } 1724 }
1204 } 1725 }
1205 1726
… …
1226our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1228 1749
1229sub generate_random_map { 1750sub generate_random_map {
1230 my ($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
1231 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1756 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1759 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1269 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1270 1794
1271 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1272 local $self->{path}; 1796 local $self->{path};
1273 local $self->{load_path}; 1797 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1798
1277 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1278} 1800}
1279 1801
1280sub normalise { 1802sub normalise {
… …
1327 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1328 return $self; 1850 return $self;
1329 } 1851 }
1330 } 1852 }
1331 1853
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1333 () 1855 ()
1334} 1856}
1335 1857
1336sub init { 1858sub init {
1337 my ($self) = @_; 1859 my ($self) = @_;
… …
1359 1881
1360# the temporary/swap location 1882# the temporary/swap location
1361sub save_path { 1883sub save_path {
1362 my ($self) = @_; 1884 my ($self) = @_;
1363 1885
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1887 "$TMPDIR/$path.map"
1366} 1888}
1367 1889
1368# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1369sub uniq_path { 1891sub uniq_path {
1370 my ($self) = @_; 1892 my ($self) = @_;
1371 1893
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1895 "$UNIQUEDIR/$path"
1374} 1896}
1375 1897
1376# and all this just because we cannot iterate over 1898sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 1899 my ($self) = @_;
1380 1900
1381 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1383} 1904}
1384 1905
1385sub unlink_save { 1906sub unlink_save {
1386 my ($self) = @_; 1907 my ($self) = @_;
1387 1908
… …
1392 1913
1393sub load_header_from($) { 1914sub load_header_from($) {
1394 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1395 1916
1396 utf8::encode $path; 1917 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 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;
1402 1926
1403 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1404 1928
1405 1 1929 1
1406} 1930}
… …
1445 $self->load_header_orig 1969 $self->load_header_orig
1446 or return; 1970 or return;
1447 $self->prepare_orig; 1971 $self->prepare_orig;
1448 } 1972 }
1449 1973
1974 $self->{deny_reset} = 1
1975 if $self->no_reset;
1976
1450 $self->default_region (cf::region::find_by_path $self->{path}) 1977 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 1978 unless $self->default_region;
1452 1979
1453 1 1980 1
1454} 1981}
… …
1457sub find { 1984sub find {
1458 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1459 1986
1460 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1461 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1463 1991
1464 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1467 or return; 1994 or return;
1468 1995
1469 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1470 1997
1471 $map->load_header 1998 $map->load_header
1472 or return; 1999 or return;
1473 2000
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2002 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1477 $map->reset; 2006 $map->reset;
1478 undef $guard;
1479 return find $path; 2007 return find $path;
1480 } 2008 }
1481 2009
1482 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1483 } 2011 }
… …
1492 local $self->{deny_reset} = 1; # loading can take a long time 2020 local $self->{deny_reset} = 1; # loading can take a long time
1493 2021
1494 my $path = $self->{path}; 2022 my $path = $self->{path};
1495 2023
1496 { 2024 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1498 2026
2027 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2029
1501 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1502 2031
1503 $self->alloc; 2032 $self->alloc;
1504 2033
1505 $self->pre_load; 2034 $self->pre_load;
1506 Coro::cede; 2035 cf::cede_to_tick;
1507 2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2039 $self->_load_objects ($f)
1509 or return; 2040 or return;
1510 2041
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1512 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1513 2044
1514 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2046 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2049 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1519 } 2053 }
1520 } 2054 }
1521 2055
1522 Coro::cede; 2056 $f->resolve_delayed_derefs;
2057
2058 cf::cede_to_tick;
1523 # now do the right thing for maps 2059 # now do the right thing for maps
1524 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2062 unless $self->difficulty;
1527 Coro::cede; 2063 cf::cede_to_tick;
1528 2064
1529 unless ($self->{deny_activate}) { 2065 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2066 $self->decay_objects;
1531 $self->fix_auto_apply; 2067 $self->fix_auto_apply;
1532 $self->update_buttons; 2068 $self->update_buttons;
1533 Coro::cede; 2069 cf::cede_to_tick;
1534 $self->set_darkness_map;
1535 Coro::cede;
1536 $self->activate; 2070 $self->activate;
1537 } 2071 }
1538 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2077 }
1541 2078
1542 $self->post_load; 2079 $self->post_load;
1543} 2080}
1544 2081
… …
1546 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1547 2084
1548 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2086 if $self->per_player;
1550 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1551 $self 2091 $self
1552} 2092}
1553 2093
1554# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2095sub load_neighbours {
1556 my ($map) = @_; 2096 my ($map) = @_;
1557 2097
1558 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1559 2099
1560 for (0 .. 3) { 2100 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1562 or next; 2102 or next;
1563 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1564 or next; 2104 or next;
1565 $neigh->load; 2105 $neigh->load;
1566 2106
2107 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2110 }
1570 2111
1571 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1573 or next; 2115 or next;
1574 $neigh->load; 2116 $neigh->load;
1575 } 2117 }
1576} 2118}
1577 2119
… …
1582} 2124}
1583 2125
1584sub do_load_sync { 2126sub do_load_sync {
1585 my ($map) = @_; 2127 my ($map) = @_;
1586 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1587 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1588} 2133}
1589 2134
1590our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2136our $MAP_PREFETCHER = undef;
1592 2137
1593sub find_async { 2138sub find_async {
1594 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1595 2140
1596 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1597 2142
1598 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2145 }
1601 2146
1602 undef $MAP_PREFETCH{$path}; 2147 $MAP_PREFETCH{$path} |= $load;
2148
1603 $MAP_PREFETCHER ||= cf::async { 2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
1604 while (%MAP_PREFETCH) { 2152 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2153 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2154 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2155 $map->load if $v;
2156 }
1609 2157
1610 delete $MAP_PREFETCH{$path}; 2158 delete $MAP_PREFETCH{$k};
1611 } 2159 }
1612 } 2160 }
1613 undef $MAP_PREFETCHER; 2161 undef $MAP_PREFETCHER;
1614 }; 2162 };
1615 $MAP_PREFETCHER->prio (6); 2163 $MAP_PREFETCHER->prio (6);
… …
1618} 2166}
1619 2167
1620sub save { 2168sub save {
1621 my ($self) = @_; 2169 my ($self) = @_;
1622 2170
1623 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1624 2172
1625 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1626 2174
1627 return unless $self->dirty; 2175 return unless $self->dirty;
1628 2176
… …
1634 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1635 2183
1636 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1637 2185
1638 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1640 }; 2189 };
2190
2191 cf::get_slot 0.02;
1641 2192
1642 if ($uniq) { 2193 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2196 } else {
… …
1651 my ($self) = @_; 2202 my ($self) = @_;
1652 2203
1653 # save first because save cedes 2204 # save first because save cedes
1654 $self->save; 2205 $self->save;
1655 2206
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2208
1658 return if $self->players; 2209 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1660 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1661 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1662 $self->clear; 2217 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2218}
1665 2219
1666sub reset_at { 2220sub reset_at {
1667 my ($self) = @_; 2221 my ($self) = @_;
1668 2222
1669 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1672 2225
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2228
… …
1686 my ($self) = @_; 2239 my ($self) = @_;
1687 2240
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2242
1690 return if $self->players; 2243 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2244
1693 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
1694 2246
1695 $self->in_memory (cf::MAP_SWAPPED); 2247 $self->in_memory (cf::MAP_SWAPPED);
1696 2248
1697 # need to save uniques path 2249 # need to save uniques path
1698 unless ($self->{deny_save}) { 2250 unless ($self->{deny_save}) {
… …
1702 if $uniq; 2254 if $uniq;
1703 } 2255 }
1704 2256
1705 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1706 2258
2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2261 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2262
1711 $self->unlink_save; 2263 $self->unlink_save;
1712 $self->destroy; 2264 $self->destroy;
1713} 2265}
1714 2266
1715my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1716 2268
1717sub nuke { 2269sub nuke {
1718 my ($self) = @_; 2270 my ($self) = @_;
1719 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1720 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1721 2276
1722 $self->unlink_save; 2277 $self->unlink_save;
1723 2278
1724 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1725 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2284
1730 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1731 2287
1732 $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 ]
1733} 2325}
1734 2326
1735=item cf::map::unique_maps 2327=item cf::map::unique_maps
1736 2328
1737Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2330instantiated unique items. May block.
1739 2331
1740=cut 2332=cut
1741 2333
1742sub unique_maps() { 2334sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2335 [
1744 or return; 2336 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2337 utf8::decode $_;
1750 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2340 ? ()
1753 push @paths, cf::map::normalise $_; 2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2343 ]
1755
1756 \@paths
1757} 2344}
1758 2345
1759package cf; 2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory excluding F</styles>). May block.
2350
2351=cut
2352
2353sub static_maps() {
2354 my @dirs = "";
2355 my @maps;
2356
2357 while (@dirs) {
2358 my $dir = shift @dirs;
2359
2360 next if $dir eq "/styles";
2361
2362 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2363 or return;
2364
2365 for (@$files) {
2366 s/\.map$// or next;
2367 utf8::decode $_;
2368 push @maps, "$dir/$_";
2369 }
2370
2371 push @dirs, map "$dir/$_", @$dirs;
2372 }
2373
2374 \@maps
2375}
1760 2376
1761=back 2377=back
1762 2378
1763=head3 cf::object 2379=head3 cf::object
1764 2380
… …
1768 2384
1769=over 4 2385=over 4
1770 2386
1771=item $ob->inv_recursive 2387=item $ob->inv_recursive
1772 2388
1773Returns the inventory of the object _and_ their inventories, recursively. 2389Returns the inventory of the object I<and> their inventories, recursively,
2390but I<not> the object itself.
1774 2391
1775=cut 2392=cut
1776 2393
1777sub inv_recursive_; 2394sub inv_recursive_;
1778sub inv_recursive_ { 2395sub inv_recursive_ {
… …
1781 2398
1782sub inv_recursive { 2399sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2400 inv_recursive_ inv $_[0]
1784} 2401}
1785 2402
2403=item $ref = $ob->ref
2404
2405Creates and returns a persistent reference to an object that can be stored as a string.
2406
2407=item $ob = cf::object::deref ($refstring)
2408
2409returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2410even if the object actually exists. May block.
2411
2412=cut
2413
2414sub deref {
2415 my ($ref) = @_;
2416
2417 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2418 my ($uuid, $name) = ($1, $2);
2419 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2420 or return;
2421 $pl->ob->uuid eq $uuid
2422 or return;
2423
2424 $pl->ob
2425 } else {
2426 warn "$ref: cannot resolve object reference\n";
2427 undef
2428 }
2429}
2430
1786package cf; 2431package cf;
1787 2432
1788=back 2433=back
1789 2434
1790=head3 cf::object::player 2435=head3 cf::object::player
… …
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2441Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2442can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2443dialogue with the given NPC character.
1799 2444
1800=cut 2445=cut
2446
2447our $SAY_CHANNEL = {
2448 id => "say",
2449 title => "Map",
2450 reply => "say ",
2451 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2452};
2453
2454our $CHAT_CHANNEL = {
2455 id => "chat",
2456 title => "Chat",
2457 reply => "chat ",
2458 tooltip => "Player chat and shouts, global to the server.",
2459};
1801 2460
1802# rough implementation of a future "reply" method that works 2461# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2462# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2463#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2464sub cf::object::player::reply($$$;$) {
… …
1807 2466
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2467 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2468
1810 if ($self->{record_replies}) { 2469 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2470 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2471
1812 } else { 2472 } else {
2473 my $pl = $self->contr;
2474
2475 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2476 my $dialog = $pl->{npc_dialog};
2477 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2478
2479 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2480 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2481 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2482 }
1815 } 2483 }
2484}
2485
2486=item $object->send_msg ($channel, $msg, $color, [extra...])
2487
2488=cut
2489
2490sub cf::object::send_msg {
2491 my $pl = shift->contr
2492 or return;
2493 $pl->send_msg (@_);
1816} 2494}
1817 2495
1818=item $player_object->may ("access") 2496=item $player_object->may ("access")
1819 2497
1820Returns wether the given player is authorized to access resource "access" 2498Returns wether the given player is authorized to access resource "access"
… …
1833 2511
1834=item $player_object->enter_link 2512=item $player_object->enter_link
1835 2513
1836Freezes the player and moves him/her to a special map (C<{link}>). 2514Freezes the player and moves him/her to a special map (C<{link}>).
1837 2515
1838The player should be reasonably safe there for short amounts of time. You 2516The player should be reasonably safe there for short amounts of time (e.g.
1839I<MUST> call C<leave_link> as soon as possible, though. 2517for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2518though, as the palyer cannot control the character while it is on the link
2519map.
1840 2520
1841Will never block. 2521Will never block.
1842 2522
1843=item $player_object->leave_link ($map, $x, $y) 2523=item $player_object->leave_link ($map, $x, $y)
1844 2524
… …
1867 $self->deactivate_recursive; 2547 $self->deactivate_recursive;
1868 2548
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2549 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2550
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2551 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2552 if $self->map && $self->map->{path} ne "{link}";
1873 2553
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2554 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1875} 2555}
1876 2556
1877sub cf::object::player::leave_link { 2557sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2558 my ($self, $map, $x, $y) = @_;
2559
2560 return unless $self->contr->active;
1879 2561
1880 my $link_pos = delete $self->{_link_pos}; 2562 my $link_pos = delete $self->{_link_pos};
1881 2563
1882 unless ($map) { 2564 unless ($map) {
1883 # restore original map position 2565 # restore original map position
… …
1897 # use -1 or undef as default coordinates, not 0, 0 2579 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2580 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2581 if $x <=0 && $y <= 0;
1900 2582
1901 $map->load; 2583 $map->load;
1902 $map->load_diag; 2584 $map->load_neighbours;
1903 2585
1904 return unless $self->contr->active; 2586 return unless $self->contr->active;
1905 $self->activate_recursive;
1906 2587
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2589 $self->enter_map ($map, $x, $y);
1909}
1910 2590
1911cf::player->attach ( 2591 # only activate afterwards, to support waiting in hooks
1912 on_logout => sub { 2592 $self->activate_recursive;
1913 my ($pl) = @_; 2593}
1914 2594
1915 # abort map switching before logout 2595=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1916 if ($pl->ob->{_link_pos}) {
1917 cf::sync_job {
1918 $pl->ob->leave_link
1919 };
1920 }
1921 },
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2596
1925 # try to abort aborted map switching on player login :) 2597Moves the player to the given map-path and coordinates by first freezing
1926 # should happen only on crashes 2598her, loading and preparing them map, calling the provided $check callback
1927 if ($pl->ob->{_link_pos}) { 2599that has to return the map if sucecssful, and then unfreezes the player on
1928 $pl->ob->enter_link; 2600the new (success) or old (failed) map position. In either case, $done will
1929 (async { 2601be called at the end of this process.
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942 2602
1943=item $player_object->goto ($path, $x, $y) 2603Note that $check will be called with a potentially non-loaded map, so if
2604it needs a loaded map it has to call C<< ->load >>.
1944 2605
1945=cut 2606=cut
2607
2608our $GOTOGEN;
1946 2609
1947sub cf::object::player::goto { 2610sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2611 my ($self, $path, $x, $y, $check, $done) = @_;
2612
2613 # do generation counting so two concurrent goto's will be executed in-order
2614 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2615
1950 $self->enter_link; 2616 $self->enter_link;
1951 2617
1952 (async { 2618 (async {
2619 $Coro::current->{desc} = "player::goto $path $x $y";
2620
2621 # *tag paths override both path and x|y
2622 if ($path =~ /^\*(.*)$/) {
2623 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2624 my $ob = $obs[rand @obs];
2625
2626 # see if we actually can go there
2627 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2628 $ob = $obs[rand @obs];
2629 } else {
2630 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2631 }
2632 # else put us there anyways for now #d#
2633
2634 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2635 } else {
2636 ($path, $x, $y) = (undef, undef, undef);
2637 }
2638 }
2639
1953 my $map = eval { 2640 my $map = eval {
1954 my $map = cf::map::find $path; 2641 my $map = defined $path ? cf::map::find $path : undef;
2642
2643 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2644 $map = $map->customise_for ($self);
2645 $map = $check->($map) if $check && $map;
2646 } else {
2647 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2648 }
2649
1956 $map 2650 $map
2651 };
2652
2653 if ($@) {
2654 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2655 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2656 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2657
2658 if ($gen == $self->{_goto_generation}) {
2659 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2660 $self->leave_link ($map, $x, $y);
2661 }
2662
2663 $done->() if $done;
1961 })->prio (1); 2664 })->prio (1);
1962} 2665}
1963 2666
1964=item $player_object->enter_exit ($exit_object) 2667=item $player_object->enter_exit ($exit_object)
1965 2668
… …
1985} 2688}
1986 2689
1987sub prepare_random_map { 2690sub prepare_random_map {
1988 my ($exit) = @_; 2691 my ($exit) = @_;
1989 2692
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2693 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2694 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2695 # that depends on the exit object
1995 2696
1996 my $rmp = parse_random_map_params $exit->msg; 2697 my $rmp = parse_random_map_params $exit->msg;
… …
1998 if ($exit->map) { 2699 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2700 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2701 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2702 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2703 $rmp->{origin_y} = $exit->y;
2704
2705 $exit->map->touch;
2003 } 2706 }
2004 2707
2005 $rmp->{random_seed} ||= $exit->random_seed; 2708 $rmp->{random_seed} ||= $exit->random_seed;
2006 2709
2007 my $data = cf::to_json $rmp; 2710 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2711 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2712 my $meta = "$RANDOMDIR/$md5.meta";
2010 2713
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2714 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2715 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2716 undef $fh;
2014 aio_rename "$meta~", $meta; 2717 aio_rename "$meta~", $meta;
2015 2718
2719 my $slaying = "?random/$md5";
2720
2721 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2722 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2723 $exit->msg (undef);
2724 }
2018 } 2725 }
2019} 2726}
2020 2727
2021sub cf::object::player::enter_exit { 2728sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2729 my ($self, $exit) = @_;
2023 2730
2024 return unless $self->type == cf::PLAYER; 2731 return unless $self->type == cf::PLAYER;
2025 2732
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2733 $self->enter_link;
2038 2734
2039 (async { 2735 (async {
2040 $self->deactivate_recursive; # just to be sure 2736 $Coro::current->{desc} = "enter_exit";
2737
2041 unless (eval { 2738 unless (eval {
2739 $self->deactivate_recursive; # just to be sure
2740
2741 # random map handling
2742 {
2743 my $guard = cf::lock_acquire "exit_prepare:$exit";
2744
2745 prepare_random_map $exit
2746 if $exit->slaying eq "/!";
2747 }
2748
2749 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2750 my $x = $exit->stats->hp;
2751 my $y = $exit->stats->sp;
2752
2042 $self->goto ($slaying, $hp, $sp); 2753 $self->goto ($map, $x, $y);
2043 2754
2755 # if exit is damned, update players death & WoR home-position
2756 $self->contr->savebed ($map, $x, $y)
2757 if $exit->flag (cf::FLAG_DAMNED);
2758
2044 1; 2759 1
2045 }) { 2760 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2761 $self->message ("Something went wrong deep within the deliantra server. "
2047 . "I'll try to bring you back to the map you were before. " 2762 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2763 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2764 cf::NDI_UNIQUE | cf::NDI_RED);
2050 2765
2051 warn "ERROR in enter_exit: $@"; 2766 warn "ERROR in enter_exit: $@";
… …
2070 2785
2071 utf8::encode $text; 2786 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2787 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2788}
2074 2789
2790=item $client->send_msg ($channel, $msg, $color, [extra...])
2791
2792Send a drawinfo or msg packet to the client, formatting the msg for the
2793client if neccessary. C<$type> should be a string identifying the type of
2794the message, with C<log> being the default. If C<$color> is negative, suppress
2795the message unless the client supports the msg packet.
2796
2797=cut
2798
2799# non-persistent channels (usually the info channel)
2800our %CHANNEL = (
2801 "c/motd" => {
2802 id => "infobox",
2803 title => "MOTD",
2804 reply => undef,
2805 tooltip => "The message of the day",
2806 },
2807 "c/identify" => {
2808 id => "infobox",
2809 title => "Identify",
2810 reply => undef,
2811 tooltip => "Items recently identified",
2812 },
2813 "c/examine" => {
2814 id => "infobox",
2815 title => "Examine",
2816 reply => undef,
2817 tooltip => "Signs and other items you examined",
2818 },
2819 "c/shopinfo" => {
2820 id => "infobox",
2821 title => "Shop Info",
2822 reply => undef,
2823 tooltip => "What your bargaining skill tells you about the shop",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/statistics" => {
2850 id => "infobox",
2851 title => "Statistics",
2852 reply => undef,
2853 tooltip => "Shows your primary statistics",
2854 },
2855 "c/skills" => {
2856 id => "infobox",
2857 title => "Skills",
2858 reply => undef,
2859 tooltip => "Shows your experience per skill and item power",
2860 },
2861 "c/shopitems" => {
2862 id => "infobox",
2863 title => "Shop Items",
2864 reply => undef,
2865 tooltip => "Shows the items currently for sale in this shop",
2866 },
2867 "c/resistances" => {
2868 id => "infobox",
2869 title => "Resistances",
2870 reply => undef,
2871 tooltip => "Shows your resistances",
2872 },
2873 "c/pets" => {
2874 id => "infobox",
2875 title => "Pets",
2876 reply => undef,
2877 tooltip => "Shows information abotu your pets/a specific pet",
2878 },
2879 "c/perceiveself" => {
2880 id => "infobox",
2881 title => "Perceive Self",
2882 reply => undef,
2883 tooltip => "You gained detailed knowledge about yourself",
2884 },
2885 "c/uptime" => {
2886 id => "infobox",
2887 title => "Uptime",
2888 reply => undef,
2889 tooltip => "How long the server has been running since last restart",
2890 },
2891 "c/mapinfo" => {
2892 id => "infobox",
2893 title => "Map Info",
2894 reply => undef,
2895 tooltip => "Information related to the maps",
2896 },
2897 "c/party" => {
2898 id => "party",
2899 title => "Party",
2900 reply => "gsay ",
2901 tooltip => "Messages and chat related to your party",
2902 },
2903 "c/death" => {
2904 id => "death",
2905 title => "Death",
2906 reply => undef,
2907 tooltip => "Reason for and more info about your most recent death",
2908 },
2909 "c/say" => $SAY_CHANNEL,
2910 "c/chat" => $CHAT_CHANNEL,
2911);
2912
2913sub cf::client::send_msg {
2914 my ($self, $channel, $msg, $color, @extra) = @_;
2915
2916 $msg = $self->pl->expand_cfpod ($msg)
2917 unless $color & cf::NDI_VERBATIM;
2918
2919 $color &= cf::NDI_CLIENT_MASK; # just in case...
2920
2921 # check predefined channels, for the benefit of C
2922 if ($CHANNEL{$channel}) {
2923 $channel = $CHANNEL{$channel};
2924
2925 $self->ext_msg (channel_info => $channel);
2926 $channel = $channel->{id};
2927
2928 } elsif (ref $channel) {
2929 # send meta info to client, if not yet sent
2930 unless (exists $self->{channel}{$channel->{id}}) {
2931 $self->{channel}{$channel->{id}} = $channel;
2932 $self->ext_msg (channel_info => $channel);
2933 }
2934
2935 $channel = $channel->{id};
2936 }
2937
2938 return unless @extra || length $msg;
2939
2940 # default colour, mask it out
2941 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2942 if $color & cf::NDI_DEF;
2943
2944 my $pkt = "msg "
2945 . $self->{json_coder}->encode (
2946 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2947 );
2948
2949 # try lzf for large packets
2950 $pkt = "lzf " . Compress::LZF::compress $pkt
2951 if 1024 <= length $pkt and $self->{can_lzf};
2952
2953 # split very large packets
2954 if (8192 < length $pkt and $self->{can_lzf}) {
2955 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2956 $pkt = "frag";
2957 }
2958
2959 $self->send_packet ($pkt);
2960}
2961
2075=item $client->ext_event ($type, %msg) 2962=item $client->ext_msg ($type, @msg)
2076 2963
2077Sends an exti event to the client. 2964Sends an ext event to the client.
2078 2965
2079=cut 2966=cut
2080 2967
2081sub cf::client::ext_event($$%) { 2968sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 2969 my ($self, $type, @msg) = @_;
2083 2970
2971 if ($self->extcmd == 2) {
2972 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2973 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 2974 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 2975 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2976 }
2977}
2978
2979=item $client->ext_reply ($msgid, @msg)
2980
2981Sends an ext reply to the client.
2982
2983=cut
2984
2985sub cf::client::ext_reply($$@) {
2986 my ($self, $id, @msg) = @_;
2987
2988 if ($self->extcmd == 2) {
2989 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2990 } elsif ($self->extcmd == 1) {
2991 #TODO: version 1, remove
2992 unshift @msg, msgtype => "reply", msgid => $id;
2993 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2994 }
2086} 2995}
2087 2996
2088=item $success = $client->query ($flags, "text", \&cb) 2997=item $success = $client->query ($flags, "text", \&cb)
2089 2998
2090Queues a query to the client, calling the given callback with 2999Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3000the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3001C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 3002
2094Queries can fail, so check the return code. Or don't, as queries will become 3003Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 3004become reliable at some point in the future.
2096 3005
2097=cut 3006=cut
2098 3007
2099sub cf::client::query { 3008sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 3009 my ($self, $flags, $text, $cb) = @_;
… …
2108 utf8::encode $text; 3017 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3018 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 3019
2111 $self->send_packet ($self->{query_queue}[0][0]) 3020 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 3021 if @{ $self->{query_queue} } == 1;
3022
3023 1
2113} 3024}
2114 3025
2115cf::client->attach ( 3026cf::client->attach (
3027 on_connect => sub {
3028 my ($ns) = @_;
3029
3030 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3031 },
2116 on_reply => sub { 3032 on_reply => sub {
2117 my ($ns, $msg) = @_; 3033 my ($ns, $msg) = @_;
2118 3034
2119 # this weird shuffling is so that direct followup queries 3035 # this weird shuffling is so that direct followup queries
2120 # get handled first 3036 # get handled first
… …
2132 } else { 3048 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 3050 }
2135 } 3051 }
2136 }, 3052 },
3053 on_exticmd => sub {
3054 my ($ns, $buf) = @_;
3055
3056 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3057
3058 if (ref $msg) {
3059 my ($type, $reply, @payload) =
3060 "ARRAY" eq ref $msg
3061 ? @$msg
3062 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3063
3064 my @reply;
3065
3066 if (my $cb = $EXTICMD{$type}) {
3067 @reply = $cb->($ns, @payload);
3068 }
3069
3070 $ns->ext_reply ($reply, @reply)
3071 if $reply;
3072
3073 } else {
3074 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3075 }
3076
3077 cf::override;
3078 },
2137); 3079);
2138 3080
2139=item $client->async (\&cb) 3081=item $client->async (\&cb)
2140 3082
2141Create a new coroutine, running the specified callback. The coroutine will 3083Create a new coroutine, running the specified callback. The coroutine will
… …
2182our $safe = new Safe "safe"; 3124our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3125our $safe_hole = new Safe::Hole;
2184 3126
2185$SIG{FPE} = 'IGNORE'; 3127$SIG{FPE} = 'IGNORE';
2186 3128
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3129$safe->permit_only (Opcode::opset qw(
3130 :base_core :base_mem :base_orig :base_math
3131 grepstart grepwhile mapstart mapwhile
3132 sort time
3133));
2188 3134
2189# here we export the classes and methods available to script code 3135# here we export the classes and methods available to script code
2190 3136
2191=pod 3137=pod
2192 3138
2193The following functions and methods are available within a safe environment: 3139The following functions and methods are available within a safe environment:
2194 3140
2195 cf::object contr pay_amount pay_player map 3141 cf::object
3142 contr pay_amount pay_player map x y force_find force_add destroy
3143 insert remove name archname title slaying race decrease split
3144 value
3145
2196 cf::object::player player 3146 cf::object::player
2197 cf::player peaceful 3147 player
2198 cf::map trigger 3148
3149 cf::player
3150 peaceful
3151
3152 cf::map
3153 trigger
2199 3154
2200=cut 3155=cut
2201 3156
2202for ( 3157for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3158 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3159 insert remove inv nrof name archname title slaying race
3160 decrease split destroy change_exp value msg lore send_msg)],
2204 ["cf::object::player" => qw(player)], 3161 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3162 ["cf::player" => qw(peaceful send_msg)],
2206 ["cf::map" => qw(trigger)], 3163 ["cf::map" => qw(trigger)],
2207) { 3164) {
2208 no strict 'refs'; 3165 no strict 'refs';
2209 my ($pkg, @funs) = @$_; 3166 my ($pkg, @funs) = @$_;
2210 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3167 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2227 my ($code, %vars) = @_; 3184 my ($code, %vars) = @_;
2228 3185
2229 my $qcode = $code; 3186 my $qcode = $code;
2230 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3187 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2231 $qcode =~ s/\n/\\n/g; 3188 $qcode =~ s/\n/\\n/g;
3189
3190 %vars = (_dummy => 0) unless %vars;
2232 3191
2233 local $_; 3192 local $_;
2234 local @safe::cf::_safe_eval_args = values %vars; 3193 local @safe::cf::_safe_eval_args = values %vars;
2235 3194
2236 my $eval = 3195 my $eval =
… …
2279=back 3238=back
2280 3239
2281=cut 3240=cut
2282 3241
2283############################################################################# 3242#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455
2456#############################################################################
2457# the server's init and main functions 3243# the server's init and main functions
2458 3244
2459sub load_facedata($) { 3245sub load_facedata($) {
2460 my ($path) = @_; 3246 my ($path) = @_;
3247
3248 # HACK to clear player env face cache, we need some signal framework
3249 # for this (global event?)
3250 %ext::player_env::MUSIC_FACE_CACHE = ();
3251
3252 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2461 3253
2462 warn "loading facedata from $path\n"; 3254 warn "loading facedata from $path\n";
2463 3255
2464 my $facedata; 3256 my $facedata;
2465 0 < aio_load $path, $facedata 3257 0 < aio_load $path, $facedata
… …
2468 $facedata = Coro::Storable::thaw $facedata; 3260 $facedata = Coro::Storable::thaw $facedata;
2469 3261
2470 $facedata->{version} == 2 3262 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3263 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3264
3265 # patch in the exptable
3266 $facedata->{resource}{"res/exp_table"} = {
3267 type => FT_RSRC,
3268 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3269 };
3270 cf::cede_to_tick;
3271
2473 { 3272 {
2474 my $faces = $facedata->{faceinfo}; 3273 my $faces = $facedata->{faceinfo};
2475 3274
2476 while (my ($face, $info) = each %$faces) { 3275 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3276 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3277
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3278 cf::face::set_visibility $idx, $info->{visibility};
3279 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3280 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3281 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2481 Coro::cede; 3282
3283 cf::cede_to_tick;
2482 } 3284 }
2483 3285
2484 while (my ($face, $info) = each %$faces) { 3286 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3287 next unless $info->{smooth};
3288
2486 my $idx = cf::face::find $face 3289 my $idx = cf::face::find $face
2487 or next; 3290 or next;
3291
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3292 if (my $smooth = cf::face::find $info->{smooth}) {
3293 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3294 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3295 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3296 warn "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3297 }
2493 Coro::cede; 3298
3299 cf::cede_to_tick;
2494 } 3300 }
2495 } 3301 }
2496 3302
2497 { 3303 {
2498 my $anims = $facedata->{animinfo}; 3304 my $anims = $facedata->{animinfo};
2499 3305
2500 while (my ($anim, $info) = each %$anims) { 3306 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3307 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3308 cf::cede_to_tick;
2503 } 3309 }
2504 3310
2505 cf::anim::invalidate_all; # d'oh 3311 cf::anim::invalidate_all; # d'oh
2506 } 3312 }
2507 3313
3314 {
3315 # TODO: for gcfclient pleasure, we should give resources
3316 # that gcfclient doesn't grok a >10000 face index.
3317 my $res = $facedata->{resource};
3318
3319 while (my ($name, $info) = each %$res) {
3320 if (defined $info->{type}) {
3321 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3322 my $data;
3323
3324 if ($info->{type} & 1) {
3325 # prepend meta info
3326
3327 my $meta = $enc->encode ({
3328 name => $name,
3329 %{ $info->{meta} || {} },
3330 });
3331
3332 $data = pack "(w/a*)*", $meta, $info->{data};
3333 } else {
3334 $data = $info->{data};
3335 }
3336
3337 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3338 cf::face::set_type $idx, $info->{type};
3339 } else {
3340 $RESOURCE{$name} = $info;
3341 }
3342
3343 cf::cede_to_tick;
3344 }
3345 }
3346
3347 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3348
2508 1 3349 1
2509} 3350}
2510 3351
3352cf::global->attach (on_resource_update => sub {
3353 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3354 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3355
3356 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3357 my $sound = $soundconf->{compat}[$_]
3358 or next;
3359
3360 my $face = cf::face::find "sound/$sound->[1]";
3361 cf::sound::set $sound->[0] => $face;
3362 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3363 }
3364
3365 while (my ($k, $v) = each %{$soundconf->{event}}) {
3366 my $face = cf::face::find "sound/$v";
3367 cf::sound::set $k => $face;
3368 }
3369 }
3370});
3371
3372register_exticmd fx_want => sub {
3373 my ($ns, $want) = @_;
3374
3375 while (my ($k, $v) = each %$want) {
3376 $ns->fx_want ($k, $v);
3377 }
3378};
3379
3380sub load_resource_file($) {
3381 my $guard = lock_acquire "load_resource_file";
3382
3383 my $status = load_resource_file_ $_[0];
3384 get_slot 0.1, 100;
3385 cf::arch::commit_load;
3386
3387 $status
3388}
3389
2511sub reload_regions { 3390sub reload_regions {
3391 # HACK to clear player env face cache, we need some signal framework
3392 # for this (global event?)
3393 %ext::player_env::MUSIC_FACE_CACHE = ();
3394
2512 load_resource_file "$MAPDIR/regions" 3395 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3396 or die "unable to load regions file\n";
3397
3398 for (cf::region::list) {
3399 $_->{match} = qr/$_->{match}/
3400 if exists $_->{match};
3401 }
2514} 3402}
2515 3403
2516sub reload_facedata { 3404sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3405 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3406 or die "unable to load facedata\n";
… …
2529} 3417}
2530 3418
2531sub reload_resources { 3419sub reload_resources {
2532 warn "reloading resource files...\n"; 3420 warn "reloading resource files...\n";
2533 3421
2534 reload_regions;
2535 reload_facedata; 3422 reload_facedata;
2536 reload_archetypes; 3423 reload_archetypes;
3424 reload_regions;
2537 reload_treasures; 3425 reload_treasures;
2538 3426
2539 warn "finished reloading resource files\n"; 3427 warn "finished reloading resource files\n";
2540} 3428}
2541 3429
2542sub init { 3430sub reload_config {
2543 reload_resources; 3431 warn "reloading config file...\n";
2544}
2545 3432
2546sub cfg_load {
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3433 open my $fh, "<:utf8", "$CONFDIR/config"
2548 or return; 3434 or return;
2549 3435
2550 local $/; 3436 local $/;
2551 *CFG = YAML::Syck::Load <$fh>; 3437 *CFG = YAML::XS::Load scalar <$fh>;
2552 3438
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3439 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2554 3440
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3441 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3442 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2560 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3446 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2561 and die "WARNING: m(un)lockall failed: $!\n"; 3447 and die "WARNING: m(un)lockall failed: $!\n";
2562 }; 3448 };
2563 warn $@ if $@; 3449 warn $@ if $@;
2564 } 3450 }
3451
3452 warn "finished reloading resource files\n";
3453}
3454
3455sub pidfile() {
3456 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3457 or die "$PIDFILE: $!";
3458 flock $fh, &Fcntl::LOCK_EX
3459 or die "$PIDFILE: flock: $!";
3460 $fh
3461}
3462
3463# make sure only one server instance is running at any one time
3464sub atomic {
3465 my $fh = pidfile;
3466
3467 my $pid = <$fh>;
3468 kill 9, $pid if $pid > 0;
3469
3470 seek $fh, 0, 0;
3471 print $fh $$;
3472}
3473
3474sub main_loop {
3475 warn "EV::loop starting\n";
3476 if (1) {
3477 EV::loop;
3478 }
3479 warn "EV::loop returned\n";
3480 goto &main_loop unless $REALLY_UNLOOP;
2565} 3481}
2566 3482
2567sub main { 3483sub main {
3484 cf::init_globals; # initialise logging
3485
3486 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3487 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3488 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3489 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3490
3491 cf::init_experience;
3492 cf::init_anim;
3493 cf::init_attackmess;
3494 cf::init_dynamic;
3495
3496 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3497
2568 # we must not ever block the main coroutine 3498 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3499 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3500 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3501 (async {
2572 Event::one_event; 3502 $Coro::current->{desc} = "IDLE BUG HANDLER";
3503 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3504 })->prio (Coro::PRIO_MAX);
2574 }; 3505 };
2575 3506
2576 cfg_load; 3507 evthread_start IO::AIO::poll_fileno;
3508
3509 cf::sync_job {
3510 reload_resources;
3511 reload_config;
2577 db_init; 3512 db_init;
3513
3514 cf::load_settings;
3515 cf::load_materials;
3516 cf::init_uuid;
3517 cf::init_signals;
3518 cf::init_commands;
3519 cf::init_skills;
3520
3521 cf::init_beforeplay;
3522
3523 atomic;
3524
2578 load_extensions; 3525 load_extensions;
2579 3526
2580 $TICK_WATCHER->start; 3527 utime time, time, $RUNTIMEFILE;
2581 Event::loop; 3528
3529 # no (long-running) fork's whatsoever before this point(!)
3530 use POSIX ();
3531 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3532
3533 (pop @POST_INIT)->(0) while @POST_INIT;
3534 };
3535
3536 main_loop;
2582} 3537}
2583 3538
2584############################################################################# 3539#############################################################################
2585# initialisation and cleanup 3540# initialisation and cleanup
2586 3541
2587# install some emergency cleanup handlers 3542# install some emergency cleanup handlers
2588BEGIN { 3543BEGIN {
3544 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3545 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3546 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3547 cf::cleanup "SIG$signal";
2597 },
2598 ); 3548 };
3549 }
3550}
3551
3552sub write_runtime_sync {
3553 # first touch the runtime file to show we are still running:
3554 # the fsync below can take a very very long time.
3555
3556 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3557
3558 my $guard = cf::lock_acquire "write_runtime";
3559
3560 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3561 or return;
3562
3563 my $value = $cf::RUNTIME + 90 + 10;
3564 # 10 is the runtime save interval, for a monotonic clock
3565 # 60 allows for the watchdog to kill the server.
3566
3567 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3568 and return;
3569
3570 # always fsync - this file is important
3571 aio_fsync $fh
3572 and return;
3573
3574 # touch it again to show we are up-to-date
3575 aio_utime $fh, undef, undef;
3576
3577 close $fh
3578 or return;
3579
3580 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3581 and return;
3582
3583 warn "runtime file written.\n";
3584
2599 } 3585 1
3586}
3587
3588our $uuid_lock;
3589our $uuid_skip;
3590
3591sub write_uuid_sync($) {
3592 $uuid_skip ||= $_[0];
3593
3594 return if $uuid_lock;
3595 local $uuid_lock = 1;
3596
3597 my $uuid = "$LOCALDIR/uuid";
3598
3599 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3600 or return;
3601
3602 my $value = uuid_seq uuid_cur;
3603
3604 unless ($value) {
3605 warn "cowardly refusing to write zero uuid value!\n";
3606 return;
3607 }
3608
3609 my $value = uuid_str $value + $uuid_skip;
3610 $uuid_skip = 0;
3611
3612 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3613 and return;
3614
3615 # always fsync - this file is important
3616 aio_fsync $fh
3617 and return;
3618
3619 close $fh
3620 or return;
3621
3622 aio_rename "$uuid~", $uuid
3623 and return;
3624
3625 warn "uuid file written ($value).\n";
3626
3627 1
3628
3629}
3630
3631sub write_uuid($$) {
3632 my ($skip, $sync) = @_;
3633
3634 $sync ? write_uuid_sync $skip
3635 : async { write_uuid_sync $skip };
2600} 3636}
2601 3637
2602sub emergency_save() { 3638sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3639 my $freeze_guard = cf::freeze_mainloop;
2604 3640
2605 warn "enter emergency perl save\n"; 3641 warn "emergency_perl_save: enter\n";
2606 3642
2607 cf::sync_job { 3643 cf::sync_job {
3644 # this is a trade-off: we want to be very quick here, so
3645 # save all maps without fsync, and later call a global sync
3646 # (which in turn might be very very slow)
3647 local $USE_FSYNC = 0;
3648
2608 # use a peculiar iteration method to avoid tripping on perl 3649 # use a peculiar iteration method to avoid tripping on perl
2609 # refcount bugs in for. also avoids problems with players 3650 # refcount bugs in for. also avoids problems with players
2610 # and maps saved/destroyed asynchronously. 3651 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3652 warn "emergency_perl_save: begin player save\n";
2612 for my $login (keys %cf::PLAYER) { 3653 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3654 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3655 $pl->valid or next;
3656 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3657 $pl->save;
2616 } 3658 }
2617 warn "end emergency player save\n"; 3659 warn "emergency_perl_save: end player save\n";
2618 3660
2619 warn "begin emergency map save\n"; 3661 warn "emergency_perl_save: begin map save\n";
2620 for my $path (keys %cf::MAP) { 3662 for my $path (keys %cf::MAP) {
2621 my $map = $cf::MAP{$path} or next; 3663 my $map = $cf::MAP{$path} or next;
2622 $map->valid or next; 3664 $map->valid or next;
2623 $map->save; 3665 $map->save;
2624 } 3666 }
2625 warn "end emergency map save\n"; 3667 warn "emergency_perl_save: end map save\n";
2626 3668
2627 warn "begin emergency database checkpoint\n"; 3669 warn "emergency_perl_save: begin database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3670 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3671 warn "emergency_perl_save: end database checkpoint\n";
3672
3673 warn "emergency_perl_save: begin write uuid\n";
3674 write_uuid_sync 1;
3675 warn "emergency_perl_save: end write uuid\n";
2630 }; 3676 };
2631 3677
3678 warn "emergency_perl_save: starting sync()\n";
3679 IO::AIO::aio_sync sub {
3680 warn "emergency_perl_save: finished sync()\n";
3681 };
3682
2632 warn "leave emergency perl save\n"; 3683 warn "emergency_perl_save: leave\n";
2633} 3684}
2634 3685
2635sub post_cleanup { 3686sub post_cleanup {
2636 my ($make_core) = @_; 3687 my ($make_core) = @_;
2637 3688
2638 warn Carp::longmess "post_cleanup backtrace" 3689 warn Carp::longmess "post_cleanup backtrace"
2639 if $make_core; 3690 if $make_core;
3691
3692 my $fh = pidfile;
3693 unlink $PIDFILE if <$fh> == $$;
3694}
3695
3696# a safer delete_package, copied from Symbol
3697sub clear_package($) {
3698 my $pkg = shift;
3699
3700 # expand to full symbol table name if needed
3701 unless ($pkg =~ /^main::.*::$/) {
3702 $pkg = "main$pkg" if $pkg =~ /^::/;
3703 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3704 $pkg .= '::' unless $pkg =~ /::$/;
3705 }
3706
3707 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3708 my $stem_symtab = *{$stem}{HASH};
3709
3710 defined $stem_symtab and exists $stem_symtab->{$leaf}
3711 or return;
3712
3713 # clear all symbols
3714 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3715 for my $name (keys %$leaf_symtab) {
3716 _gv_clear *{"$pkg$name"};
3717# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3718 }
3719 warn "cleared package $pkg\n";#d#
2640} 3720}
2641 3721
2642sub do_reload_perl() { 3722sub do_reload_perl() {
2643 # can/must only be called in main 3723 # can/must only be called in main
2644 if ($Coro::current != $Coro::main) { 3724 if ($Coro::current != $Coro::main) {
2645 warn "can only reload from main coroutine"; 3725 warn "can only reload from main coroutine";
2646 return; 3726 return;
2647 } 3727 }
2648 3728
3729 return if $RELOAD++;
3730
3731 my $t1 = EV::time;
3732
3733 while ($RELOAD) {
2649 warn "reloading..."; 3734 warn "reloading...";
2650 3735
2651 warn "entering sync_job"; 3736 warn "entering sync_job";
2652 3737
2653 cf::sync_job { 3738 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark 3739 cf::write_runtime_sync; # external watchdog should not bark
2655 cf::emergency_save; 3740 cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark 3741 cf::write_runtime_sync; # external watchdog should not bark
2657 3742
2658 warn "syncing database to disk"; 3743 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV; 3744 BDB::db_env_txn_checkpoint $DB_ENV;
2660 3745
2661 # if anything goes wrong in here, we should simply crash as we already saved 3746 # if anything goes wrong in here, we should simply crash as we already saved
2662 3747
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667
2668 warn "flushing outstanding aio requests"; 3748 warn "flushing outstanding aio requests";
2669 for (;;) {
2670 BDB::flush;
2671 IO::AIO::flush;
2672 Coro::cede;
2673 last unless IO::AIO::nreqs || BDB::nreqs; 3749 while (IO::AIO::nreqs || BDB::nreqs) {
2674 warn "iterate..."; 3750 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2675 }
2676
2677 ++$RELOAD;
2678
2679 warn "cancelling all extension coros";
2680 $_->cancel for values %EXT_CORO;
2681 %EXT_CORO = ();
2682
2683 warn "removing commands";
2684 %COMMAND = ();
2685
2686 warn "removing ext commands";
2687 %EXTCMD = ();
2688
2689 warn "unloading/nuking all extensions";
2690 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg";
2692
2693 if (my $cb = $pkg->can ("unload")) {
2694 eval {
2695 $cb->($pkg);
2696 1
2697 } or warn "$pkg unloaded, but with errors: $@";
2698 } 3751 }
2699 3752
2700 warn "... nuking $pkg"; 3753 warn "cancelling all extension coros";
2701 Symbol::delete_package $pkg; 3754 $_->cancel for values %EXT_CORO;
2702 } 3755 %EXT_CORO = ();
2703 3756
2704 warn "unloading all perl modules loaded from $LIBDIR"; 3757 warn "removing commands";
2705 while (my ($k, $v) = each %INC) { 3758 %COMMAND = ();
2706 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707 3759
3760 warn "removing ext/exti commands";
3761 %EXTCMD = ();
3762 %EXTICMD = ();
3763
3764 warn "unloading/nuking all extensions";
3765 for my $pkg (@EXTS) {
2708 warn "... unloading $k"; 3766 warn "... unloading $pkg";
2709 delete $INC{$k};
2710 3767
2711 $k =~ s/\.pm$//;
2712 $k =~ s/\//::/g;
2713
2714 if (my $cb = $k->can ("unload_module")) { 3768 if (my $cb = $pkg->can ("unload")) {
3769 eval {
2715 $cb->(); 3770 $cb->($pkg);
3771 1
3772 } or warn "$pkg unloaded, but with errors: $@";
3773 }
3774
3775 warn "... clearing $pkg";
3776 clear_package $pkg;
2716 } 3777 }
2717 3778
2718 Symbol::delete_package $k; 3779 warn "unloading all perl modules loaded from $LIBDIR";
3780 while (my ($k, $v) = each %INC) {
3781 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3782
3783 warn "... unloading $k";
3784 delete $INC{$k};
3785
3786 $k =~ s/\.pm$//;
3787 $k =~ s/\//::/g;
3788
3789 if (my $cb = $k->can ("unload_module")) {
3790 $cb->();
3791 }
3792
3793 clear_package $k;
2719 } 3794 }
2720 3795
2721 warn "getting rid of safe::, as good as possible"; 3796 warn "getting rid of safe::, as good as possible";
2722 Symbol::delete_package "safe::$_" 3797 clear_package "safe::$_"
2723 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3798 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724 3799
2725 warn "unloading cf.pm \"a bit\""; 3800 warn "unloading cf.pm \"a bit\"";
2726 delete $INC{"cf.pm"}; 3801 delete $INC{"cf.pm"};
2727 delete $INC{"cf/pod.pm"}; 3802 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728 3803
2729 # don't, removes xs symbols, too, 3804 # don't, removes xs symbols, too,
2730 # and global variables created in xs 3805 # and global variables created in xs
2731 #Symbol::delete_package __PACKAGE__; 3806 #clear_package __PACKAGE__;
2732 3807
2733 warn "unload completed, starting to reload now"; 3808 warn "unload completed, starting to reload now";
2734 3809
2735 warn "reloading cf.pm"; 3810 warn "reloading cf.pm";
2736 require cf; 3811 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3812 cf::_connect_to_perl_1;
2738 3813
2739 warn "loading config and database again"; 3814 warn "loading config and database again";
2740 cf::cfg_load; 3815 cf::reload_config;
2741 3816
2742 warn "loading extensions"; 3817 warn "loading extensions";
2743 cf::load_extensions; 3818 cf::load_extensions;
2744 3819
3820 if ($REATTACH_ON_RELOAD) {
2745 warn "reattaching attachments to objects/players"; 3821 warn "reattaching attachments to objects/players";
2746 _global_reattach; # objects, sockets 3822 _global_reattach; # objects, sockets
2747 warn "reattaching attachments to maps"; 3823 warn "reattaching attachments to maps";
2748 reattach $_ for values %MAP; 3824 reattach $_ for values %MAP;
2749 warn "reattaching attachments to players"; 3825 warn "reattaching attachments to players";
2750 reattach $_ for values %PLAYER; 3826 reattach $_ for values %PLAYER;
3827 }
2751 3828
3829 warn "running post_init jobs";
3830 (pop @POST_INIT)->(1) while @POST_INIT;
3831
2752 warn "leaving sync_job"; 3832 warn "leaving sync_job";
2753 3833
2754 1 3834 1
2755 } or do { 3835 } or do {
2756 warn $@; 3836 warn $@;
2757 warn "error while reloading, exiting."; 3837 cf::cleanup "error while reloading, exiting.";
2758 exit 1;
2759 }; 3838 };
2760 3839
2761 warn "reloaded"; 3840 warn "reloaded";
3841 --$RELOAD;
3842 }
3843
3844 $t1 = EV::time - $t1;
3845 warn "reload completed in ${t1}s\n";
2762}; 3846};
2763 3847
2764our $RELOAD_WATCHER; # used only during reload 3848our $RELOAD_WATCHER; # used only during reload
2765 3849
2766sub reload_perl() { 3850sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 3851 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 3852 # coro crashes during coro_state_free->destroy here.
2769 3853
2770 $RELOAD_WATCHER ||= Event->timer ( 3854 $RELOAD_WATCHER ||= cf::async {
2771 reentrant => 0, 3855 Coro::AIO::aio_wait cache_extensions;
2772 after => 0, 3856
2773 data => WF_AUTOCANCEL, 3857 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2774 cb => sub {
2775 do_reload_perl; 3858 do_reload_perl;
2776 undef $RELOAD_WATCHER; 3859 undef $RELOAD_WATCHER;
2777 }, 3860 };
2778 ); 3861 };
2779} 3862}
2780 3863
2781register_command "reload" => sub { 3864register_command "reload" => sub {
2782 my ($who, $arg) = @_; 3865 my ($who, $arg) = @_;
2783 3866
2784 if ($who->flag (FLAG_WIZ)) { 3867 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 3868 $who->message ("reloading server.");
3869 async {
3870 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 3871 reload_perl;
3872 };
2787 } 3873 }
2788}; 3874};
2789 3875
2790unshift @INC, $LIBDIR; 3876unshift @INC, $LIBDIR;
2791 3877
… …
2793 3879
2794our @WAIT_FOR_TICK; 3880our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 3881our @WAIT_FOR_TICK_BEGIN;
2796 3882
2797sub wait_for_tick { 3883sub wait_for_tick {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 3884 return if tick_inhibit || $Coro::current == $Coro::main;
2800 3885
2801 my $signal = new Coro::Signal; 3886 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 3887 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 3888 $signal->wait;
2804} 3889}
2805 3890
2806sub wait_for_tick_begin { 3891sub wait_for_tick_begin {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 3892 return if tick_inhibit || $Coro::current == $Coro::main;
2809 3893
2810 my $signal = new Coro::Signal; 3894 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 3895 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 3896 $signal->wait;
2813} 3897}
2814 3898
2815$TICK_WATCHER = Event->timer ( 3899sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 3900 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3901 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 3902 unless ++$bug_warning > 10;
2825 return; 3903 return;
2826 } 3904 }
2827 3905
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 3906 cf::server_tick; # one server iteration
2831 3907
2832 $RUNTIME += $TICK;
2833 $NEXT_TICK += $TICK;
2834
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3908 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 3909 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 3910 Coro::async_pool {
3911 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 3912 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 3913 or warn "ERROR: unable to write runtime file: $!";
2840 };
2841 } 3914 };
3915 }
2842 3916
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3917 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 3918 $sig->send;
2854 } 3919 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 3920 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 3921 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 3922 }
2861); 3923
3924 $LOAD = ($NOW - $TICK_START) / $TICK;
3925 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3926
3927 if (0) {
3928 if ($NEXT_TICK) {
3929 my $jitter = $TICK_START - $NEXT_TICK;
3930 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3931 warn "jitter $JITTER\n";#d#
3932 }
3933 }
3934}
2862 3935
2863{ 3936{
2864 BDB::max_poll_time $TICK * 0.1; 3937 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 3938
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 3939 BDB::min_parallel 8;
2874 3940 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 3941 $AnyEvent::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 3942
2890 unless ($DB_ENV) { 3943 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 3944 $DB_ENV = BDB::db_env_create;
3945 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3946 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3947 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3948 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3949 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 3950
2893 cf::sync_job { 3951 cf::sync_job {
2894 eval { 3952 eval {
2895 BDB::db_env_open 3953 BDB::db_env_open
2896 $DB_ENV, 3954 $DB_ENV,
… …
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3956 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3957 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 3958 0666;
2901 3959
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3960 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 3961 };
2907 3962
2908 cf::cleanup "db_env_open(db): $@" if $@; 3963 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 3964 };
2910 } 3965 }
3966
3967 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3968 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3969 };
3970 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3971 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3972 };
3973 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3974 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3975 };
2911} 3976}
2912 3977
2913{ 3978{
3979 # configure IO::AIO
3980
2914 IO::AIO::min_parallel 8; 3981 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 3982 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 3983 undef $AnyEvent::AIO::WATCHER;
2919 reentrant => 0, 3984}
2920 data => WF_AUTOCANCEL, 3985
2921 fd => IO::AIO::poll_fileno, 3986my $_log_backtrace;
2922 poll => 'r', 3987
2923 prio => 6, 3988sub _log_backtrace {
2924 cb => \&IO::AIO::poll_cb, 3989 my ($msg, @addr) = @_;
2925 ); 3990
3991 $msg =~ s/\n//;
3992
3993 # limit the # of concurrent backtraces
3994 if ($_log_backtrace < 2) {
3995 ++$_log_backtrace;
3996 my $perl_bt = Carp::longmess $msg;
3997 async {
3998 $Coro::current->{desc} = "abt $msg";
3999
4000 my @bt = fork_call {
4001 @addr = map { sprintf "%x", $_ } @addr;
4002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4004 or die "addr2line: $!";
4005
4006 my @funcs;
4007 my @res = <$fh>;
4008 chomp for @res;
4009 while (@res) {
4010 my ($func, $line) = splice @res, 0, 2, ();
4011 push @funcs, "[$func] $line";
4012 }
4013
4014 @funcs
4015 };
4016
4017 LOG llevInfo, "[ABT] $perl_bt\n";
4018 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4019 LOG llevInfo, "[ABT] $_\n" for @bt;
4020 --$_log_backtrace;
4021 };
4022 } else {
4023 LOG llevInfo, "[ABT] $msg\n";
4024 LOG llevInfo, "[ABT] [suppressed]\n";
4025 }
2926} 4026}
2927 4027
2928# load additional modules 4028# load additional modules
2929use cf::pod; 4029require "cf/$_.pm" for @EXTRA_MODULES;
4030cf::_connect_to_perl_2;
2930 4031
2931END { cf::emergency_save } 4032END { cf::emergency_save }
2932 4033
29331 40341
2934 4035

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