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Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 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 Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
85
86our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
89our %EXT_CORO = (); # coroutines bound to extensions
90our %EXT_MAP = (); # pluggable maps
39 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
40our @EVENT; 93our @EVENT;
41our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
42 96
43our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
44our $TICK_WATCHER; 98our $DATADIR = datadir;
99our $LIBDIR = "$DATADIR/ext";
100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 115our $NEXT_TICK;
46our $NOW; 116our $USE_FSYNC = 1; # use fsync to write maps - default on
117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
120our $BDB_TRICKLE_WATCHER;
121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
47 124
48our %CFG; 125our %CFG;
49 126
50our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 128our $RUNTIME;
129our $NOW;
52 130
53our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
54our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
55our $LINK_MAP; # the special {link} map 133our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 134
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 135# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
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 $REALLY_UNLOOP; # never set to true, please :)
61 147
62binmode STDOUT; 148binmode STDOUT;
63binmode STDERR; 149binmode STDERR;
64 150
65# read virtual server time, if available 151# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
67 open my $fh, "<", cf::localdir . "/runtime" 153 open my $fh, "<", $RUNTIMEFILE
68 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
69 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
70} 156}
71 157
72mkdir cf::localdir; 158eval "sub TICK() { $TICK } 1" or die;
73mkdir cf::localdir . "/" . cf::playerdir;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 159
78# a special map that is always available 160mkdir $_
79our $LINK_MAP; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
162
80our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
164
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::"} };
81 177
82############################################################################# 178#############################################################################
83 179
84=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
85 181
… …
92=item $cf::RUNTIME 188=item $cf::RUNTIME
93 189
94The time this server has run, starts at 0 and is increased by $cf::TICK on 190The time this server has run, starts at 0 and is increased by $cf::TICK on
95every server tick. 191every server tick.
96 192
97=item $cf::LIBDIR 193=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
194$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
195$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98 196
99The perl library directory, where extensions and cf-specific modules can 197Various directories - "/etc", read-only install directory, perl-library
100be found. It will be added to C<@INC> automatically. 198directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
199unique-items directory, player file directory, random maps directory and
200database environment.
101 201
102=item $cf::NOW 202=item $cf::NOW
103 203
104The time of the last (current) server tick. 204The time of the last (current) server tick.
105 205
106=item $cf::TICK 206=item $cf::TICK
107 207
108The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
109 209
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
110=item %cf::CFG 220=item %cf::CFG
111 221
112Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113from wherever your confdir points to. 223from wherever your confdir points to.
114 224
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 225=item cf::wait_for_tick, cf::wait_for_tick_begin
116 226
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 228returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick. 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
121 242
122=back 243=back
123 244
124=cut 245=cut
125 246
126BEGIN { 247$Coro::State::WARNHOOK = sub {
127 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 248 my $msg = join "", @_;
129 utf8::encode $msg;
130 249
131 $msg .= "\n" 250 $msg .= "\n"
132 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
133 252
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254
134 LOG llevError, $msg; 255 LOG llevError, $msg;
135 }; 256};
136} 257
258$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};
137 271
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@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';
143@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)
144 279
145# 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
146# within the Safe compartment. 281# within the Safe compartment.
147for my $pkg (qw( 282for my $pkg (qw(
148 cf::global cf::attachable 283 cf::global cf::attachable
149 cf::object cf::object::player 284 cf::object cf::object::player
150 cf::client cf::player 285 cf::client cf::player
151 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
152 cf::map cf::party cf::region 288 cf::party cf::region
153)) { 289)) {
154 no strict 'refs';
155 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156} 291}
157 292
158$Event::DIED = sub { 293$EV::DIED = sub {
159 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
160}; 295};
161 296
162my %ext_pkg; 297#############################################################################
163my @exts;
164my @hook;
165 298
166=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
167 300
168=over 4 301=over 4
169 302
… …
188 $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;
189 $d 322 $d
190 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
191} 324}
192 325
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
196 327
197Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
198 329
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
207 331
208Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
209 333
210=cut 334=cut
211 335
212sub to_json($) { 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 337
214 JSON::Syck::Dump $_[0] 338sub encode_json($) { $json_coder->encode ($_[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;
215} 353}
216 354
217=item cf::lock_wait $string 355=item cf::lock_wait $string
218 356
219Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
220 358
221=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
222 360
223Wait 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
224a 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,
225for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
226returned. 364returned.
227 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
228Lock 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
229uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
230 371
231=cut 372=item $locked = cf::lock_active $string
232 373
233our %LOCK; 374Return true if the lock is currently active, i.e. somebody has locked it.
375
376=cut
377
378our $LOCKS = new Coro::SemaphoreSet;
234 379
235sub lock_wait($) { 380sub lock_wait($) {
236 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
237
238 # wait for lock, if any
239 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule;
242 }
243} 382}
244 383
245sub lock_acquire($) { 384sub lock_acquire($) {
246 my ($key) = @_; 385 $LOCKS->guard ($_[0])
386}
247 387
248 # wait, to be sure we are not locked 388sub lock_active($) {
249 lock_wait $key; 389 $LOCKS->count ($_[0]) < 1
250
251 $LOCK{$key} = [];
252
253 Coro::guard {
254 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} };
256 }
257} 390}
258 391
259sub freeze_mainloop { 392sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
261 394
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 395 &Guard::guard (\&tick_inhibit_dec);
263 $TICK_WATCHER->stop; 396}
264 $guard 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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
462 }
463};
464
465sub get_slot($;$$) {
466 return if tick_inhibit || $Coro::current == $Coro::main;
467
468 my ($time, $pri, $name) = @_;
469
470 $time = clamp $time, 0.01, $TICK * .6;
471
472 my $sig = new Coro::Signal;
473
474 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
475 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
476 $SLOT_QUEUE->ready;
477 $sig->wait;
265} 478}
266 479
267=item cf::async { BLOCK } 480=item cf::async { BLOCK }
268 481
269Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
274 487
275BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
276 489
277=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
278 491
279The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
282 496
283If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
286fast or be very important. 500fast or be very important.
… …
289 503
290sub sync_job(&) { 504sub sync_job(&) {
291 my ($job) = @_; 505 my ($job) = @_;
292 506
293 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
508 my $time = EV::time;
509
294 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
296 512
297 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
298 # (but this is cancel-safe) 514
299 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
300 516
301 my $busy = 1; 517 my $busy = 1;
302 my @res; 518 my @res;
303 519
304 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
305 @res = eval { $job->() }; 522 @res = eval { $job->() };
306 warn $@ if $@; 523 warn $@ if $@;
307 undef $busy; 524 undef $busy;
308 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
309 526
310 while ($busy) { 527 while ($busy) {
311 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
312 } 532 }
533 }
534
535 my $time = EV::time - $time;
536
537 $TICK_START += $time; # do not account sync jobs to server load
313 538
314 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
315 } else { 540 } else {
316 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
317 542
… …
319 } 544 }
320} 545}
321 546
322=item $coro = cf::async_ext { BLOCK } 547=item $coro = cf::async_ext { BLOCK }
323 548
324Like async, but this coro is automcatially being canceled when the 549Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 550extension calling this is being unloaded.
326 551
327=cut 552=cut
328 553
329sub async_ext(&) { 554sub async_ext(&) {
… …
337 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
338 563
339 $coro 564 $coro
340} 565}
341 566
342sub write_runtime { 567=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 568
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 569Executes the given code block with the given arguments in a seperate
346 or return; 570process, returning the results. Everything must be serialisable with
571Coro::Storable. May, of course, block. Note that the executed sub may
572never block itself or use any form of event handling.
347 573
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 574=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 575
352 aio_fsync $fh 576sub fork_call(&@) {
353 and return; 577 my ($cb, @args) = @_;
354 578
355 close $fh 579 # we seemingly have to make a local copy of the whole thing,
356 or return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
357 582
358 aio_rename "$runtime~", $runtime 583 my @res = Coro::Util::fork_eval {
359 and return; 584 reset_signals;
585 &$cb
586 }, @args;
360 587
588 wantarray ? @res : $res[-1]
589}
590
591=item $coin = coin_from_name $name
592
593=cut
594
595our %coin_alias = (
596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
611
612sub coin_from_name($) {
613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
617
618=item $value = cf::db_get $family => $key
619
620Returns a single value from the environment database.
621
622=item cf::db_put $family => $key => $value
623
624Stores the given C<$value> in the family. It can currently store binary
625data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
626
627=item $db = cf::db_table "name"
628
629Create and/or open a new database table. The string must not be "db" and must be unique
630within each server.
631
632=cut
633
634sub db_table($) {
635 my ($name) = @_;
636 my $db = BDB::db_create $DB_ENV;
637
638 eval {
639 $db->set_flags (BDB::CHKSUM);
640
641 utf8::encode $name;
642 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
643 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
644 cf::cleanup "db_open(db): $!" if $!;
645 };
646 cf::cleanup "db_open(db): $@" if $@;
647
648 $db
649}
650
651our $DB;
652
653sub db_init {
654 cf::sync_job {
655 $DB ||= db_table "db";
656 };
657}
658
659sub db_get($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
361 1 667 }
668}
669
670sub db_put($$$) {
671 BDB::dbreq_pri 4;
672 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
673}
674
675=item cf::cache $id => [$paths...], $processversion => $process
676
677Generic caching function that returns the value of the resource $id,
678caching and regenerating as required.
679
680This function can block.
681
682=cut
683
684sub cache {
685 my ($id, $src, $processversion, $process) = @_;
686
687 my $meta =
688 join "\x00",
689 $processversion,
690 map {
691 aio_stat $_
692 and Carp::croak "$_: $!";
693
694 ($_, (stat _)[7,9])
695 } @$src;
696
697 my $dbmeta = db_get cache => "$id/meta";
698 if ($dbmeta ne $meta) {
699 # changed, we may need to process
700
701 my @data;
702 my $md5;
703
704 for (0 .. $#$src) {
705 0 <= aio_load $src->[$_], $data[$_]
706 or Carp::croak "$src->[$_]: $!";
707 }
708
709 # if processing is expensive, check
710 # checksum first
711 if (1) {
712 $md5 =
713 join "\x00",
714 $processversion,
715 map {
716 cf::cede_to_tick;
717 ($src->[$_], Digest::MD5::md5_hex $data[$_])
718 } 0.. $#$src;
719
720
721 my $dbmd5 = db_get cache => "$id/md5";
722 if ($dbmd5 eq $md5) {
723 db_put cache => "$id/meta", $meta;
724
725 return db_get cache => "$id/data";
726 }
727 }
728
729 my $t1 = Time::HiRes::time;
730 my $data = $process->(\@data);
731 my $t2 = Time::HiRes::time;
732
733 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
734
735 db_put cache => "$id/data", $data;
736 db_put cache => "$id/md5" , $md5;
737 db_put cache => "$id/meta", $meta;
738
739 return $data;
740 }
741
742 db_get cache => "$id/data"
743}
744
745=item cf::datalog type => key => value, ...
746
747Log a datalog packet of the given type with the given key-value pairs.
748
749=cut
750
751sub datalog($@) {
752 my ($type, %kv) = @_;
753 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362} 754}
363 755
364=back 756=back
365 757
366=cut 758=cut
367 759
368############################################################################# 760#############################################################################
369 761
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494
495#############################################################################
496
497=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
498 763
499Many objects in crossfire are so-called attachable objects. That means you can 764Many objects in deliantra are so-called attachable objects. That means you can
500attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
501to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
502 767
503In the following description, CLASS can be any of C<global>, C<object> 768In the following description, CLASS can be any of C<global>, C<object>
504C<player>, C<client> or C<map> (i.e. the attachable objects in 769C<player>, C<client> or C<map> (i.e. the attachable objects in
505crossfire+). 770Deliantra).
506 771
507=over 4 772=over 4
508 773
509=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
510 775
… …
554=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
555 820
556Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
557given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
558 823
559Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
560that are attached at load/instantiate time, thus the need for a name. 825that are attached at load/instantiate time, thus the need for a name.
561 826
562These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
563 828
564=over 4 829=over 4
… …
624our @CB_TYPE = (); # registry for type (cf-object class) based events 889our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 890our @CB_MAP = ();
626 891
627my %attachment; 892my %attachment;
628 893
894sub cf::attachable::thawer_merge {
895 # simply override everything except _meta
896 local $_[0]{_meta};
897 %{$_[0]} = %{$_[1]};
898}
899
629sub _attach_cb($$$$) { 900sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 901 my ($registry, $event, $prio, $cb) = @_;
631 902
632 use sort 'stable'; 903 use sort 'stable';
633 904
… …
667 $registry = $CB_TYPE[$object_type] ||= []; 938 $registry = $CB_TYPE[$object_type] ||= [];
668 939
669 } elsif ($type eq "subtype") { 940 } elsif ($type eq "subtype") {
670 defined $object_type or Carp::croak "subtype specified without type"; 941 defined $object_type or Carp::croak "subtype specified without type";
671 my $object_subtype = shift @arg; 942 my $object_subtype = shift @arg;
672 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 943 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673 944
674 } elsif ($type eq "package") { 945 } elsif ($type eq "package") {
675 my $pkg = shift @arg; 946 my $pkg = shift @arg;
676 947
677 while (my ($name, $id) = each %cb_id) { 948 while (my ($name, $id) = each %cb_id) {
… …
706 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
707 } 978 }
708 979
709 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
710 } else { 981 } else {
711 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
712 } 983 }
713 984
714 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
715} 986}
716 987
… …
718 if (ref $_[0]) { 989 if (ref $_[0]) {
719 _object_attach @_; 990 _object_attach @_;
720 } else { 991 } else {
721 _attach shift->_attach_registry, @_; 992 _attach shift->_attach_registry, @_;
722 } 993 }
994 _recalc_want;
723}; 995};
724 996
725# all those should be optimised 997# all those should be optimised
726sub cf::attachable::detach { 998sub cf::attachable::detach {
727 my ($obj, $name) = @_; 999 my ($obj, $name) = @_;
… …
730 delete $obj->{_attachment}{$name}; 1002 delete $obj->{_attachment}{$name};
731 reattach ($obj); 1003 reattach ($obj);
732 } else { 1004 } else {
733 Carp::croak "cannot, currently, detach class attachments"; 1005 Carp::croak "cannot, currently, detach class attachments";
734 } 1006 }
1007 _recalc_want;
735}; 1008};
736 1009
737sub cf::attachable::attached { 1010sub cf::attachable::attached {
738 my ($obj, $name) = @_; 1011 my ($obj, $name) = @_;
739 1012
… …
754 "; 1027 ";
755 die if $@; 1028 die if $@;
756} 1029}
757 1030
758our $override; 1031our $override;
759our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1032our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760 1033
761sub override { 1034sub override {
762 $override = 1; 1035 $override = 1;
763 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
764} 1037}
765 1038
766sub do_invoke { 1039sub do_invoke {
767 my $event = shift; 1040 my $event = shift;
768 my $callbacks = shift; 1041 my $callbacks = shift;
769 1042
770 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
771 1044
772 local $override; 1045 local $override;
773 1046
774 for (@$callbacks) { 1047 for (@$callbacks) {
775 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
784 } 1057 }
785 1058
786 0 1059 0
787} 1060}
788 1061
789=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
790 1063
791=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
792 1065
793Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
794 1067
795This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1068This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796removed in future versions), and there is no public API to access override 1069removed in future versions), and there is no public API to access override
797results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798 1071
799=back 1072=back
800 1073
801=cut 1074=cut
802 1075
803############################################################################# 1076#############################################################################
804# object support 1077# object support
1078
1079sub _object_equal($$);
1080sub _object_equal($$) {
1081 my ($a, $b) = @_;
1082
1083 return 0 unless (ref $a) eq (ref $b);
1084
1085 if ("HASH" eq ref $a) {
1086 my @ka = keys %$a;
1087 my @kb = keys %$b;
1088
1089 return 0 if @ka != @kb;
1090
1091 for (0 .. $#ka) {
1092 return 0 unless $ka[$_] eq $kb[$_];
1093 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1094 }
1095
1096 } elsif ("ARRAY" eq ref $a) {
1097
1098 return 0 if @$a != @$b;
1099
1100 for (0 .. $#$a) {
1101 return 0 unless _object_equal $a->[$_], $b->[$_];
1102 }
1103
1104 } elsif ($a ne $b) {
1105 return 0;
1106 }
1107
1108 1
1109}
1110
1111our $SLOW_MERGES;#d#
1112sub _can_merge {
1113 my ($ob1, $ob2) = @_;
1114
1115 ++$SLOW_MERGES;#d#
1116
1117 # we do the slow way here
1118 return _object_equal $ob1, $ob2
1119}
805 1120
806sub reattach { 1121sub reattach {
807 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 1123 my ($obj) = @_;
1124
1125 # no longer needed after getting rid of delete_package?
1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 1127
810 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
811 1129
812 @$registry = (); 1130 @$registry = ();
813 1131
… …
828cf::attachable->attach ( 1146cf::attachable->attach (
829 prio => -1000000, 1147 prio => -1000000,
830 on_instantiate => sub { 1148 on_instantiate => sub {
831 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
832 1150
833 $data = from_json $data; 1151 $data = decode_json $data;
834 1152
835 for (@$data) { 1153 for (@$data) {
836 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
837 1155
838 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
854sub object_freezer_save { 1172sub object_freezer_save {
855 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
856 1174
857 sync_job { 1175 sync_job {
858 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
859 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
860 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
861 1180
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1184 if ($cf::USE_FSYNC) {
1185 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;
865 aio_fsync $fh; 1186 aio_fsync $fh;
1187 }
866 close $fh; 1188 aio_close $fh;
867 1189
868 if (@$objs) { 1190 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1191 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
1195 if ($cf::USE_FSYNC) {
1196 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;
873 aio_fsync $fh; 1197 aio_fsync $fh;
1198 }
874 close $fh; 1199 aio_close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
876 } 1201 }
877 } else { 1202 } else {
878 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
879 } 1204 }
880 1205
881 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
882 } else { 1210 } else {
883 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
884 } 1212 }
885 } else { 1213 } else {
886 aio_unlink $filename; 1214 aio_unlink $filename;
887 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
888 } 1216 }
889 } 1217 };
890} 1218}
891 1219
892sub object_freezer_as_string { 1220sub object_freezer_as_string {
893 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
894 1222
… …
906 or return; 1234 or return;
907 1235
908 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
909 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
910 or return; 1238 or return;
1239
911 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
912 } 1242 }
913 1243
1244 utf8::decode (my $decname = $filename);
914 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
915 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
916 return ($data, $av); 1248 ($data, $av)
917} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
918 1256
919############################################################################# 1257#############################################################################
920# command handling &c 1258# command handling &c
921 1259
922=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
935 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
936} 1274}
937 1275
938=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
939 1277
940Register a callbackf ro execution when the client sends an extcmd packet. 1278Register a callback for execution when the client sends an (synchronous)
1279extcmd packet. Ext commands will be processed in the order they are
1280received by the server, like other user commands. The first argument is
1281the logged-in player. Ext commands can only be processed after a player
1282has logged in successfully.
941 1283
942If the callback returns something, it is sent back as if reply was being 1284If the callback returns something, it is sent back as if reply was being
943called. 1285called.
944 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
945=cut 1298=cut
946 1299
947sub register_extcmd { 1300sub register_extcmd {
948 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
949 1302
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 1303 $EXTCMD{$name} = $cb;
954} 1304}
1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
955 1313
956cf::player->attach ( 1314cf::player->attach (
957 on_command => sub { 1315 on_unknown_command => sub {
958 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
959 1317
960 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
961 or return; 1319 or return;
962 1320
… …
967 cf::override; 1325 cf::override;
968 }, 1326 },
969 on_extcmd => sub { 1327 on_extcmd => sub {
970 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
971 1329
972 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973 1331
974 if (ref $msg) { 1332 if (ref $msg) {
1333 my ($type, $reply, @payload) =
1334 "ARRAY" eq ref $msg
1335 ? @$msg
1336 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1337
1338 my @reply;
1339
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
977 $pl->ext_reply ($msg->{msgid}, %reply);
978 }
979 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
980 } else { 1347 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982 } 1349 }
983 1350
984 cf::override; 1351 cf::override;
985 }, 1352 },
986); 1353);
987 1354
988sub register { 1355# "readahead" all extensions
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension { 1356sub cache_extensions {
995 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
996 1358
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
998 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
999 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1000 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg";
1002
1003 warn "loading '$path' into '$pkg'\n";
1004
1005 open my $fh, "<:utf8", $path
1006 or die "$path: $!";
1007
1008 my $source =
1009 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> })
1012 . "\n};\n1";
1013
1014 eval $source
1015 or die $@ ? "$path: $@\n"
1016 : "extension disabled.\n";
1017
1018 push @exts, $pkg;
1019 $ext_pkg{$base} = $pkg;
1020
1021# no strict 'refs';
1022# @{"$pkg\::ISA"} = ext::;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# }
1037
1038 # remove commands
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 } 1362 }
1047 } 1363 };
1048 1364
1049 # remove extcmds 1365 $grp
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062} 1366}
1063 1367
1064sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
1065 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 1373 next unless -r $path;
1067 eval { 1374
1068 load_extension $ext; 1375 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1376 my $base = $1;
1377 my $pkg = $1;
1378 $pkg =~ s/[^[:word:]]/_/g;
1379 $pkg = "ext::$pkg";
1380
1381 open my $fh, "<:utf8", $path
1382 or die "$path: $!";
1383
1384 my $source = do { local $/; <$fh> };
1385
1386 my %ext = (
1387 path => $path,
1388 base => $base,
1389 pkg => $pkg,
1390 );
1391
1392 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1393 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1394
1395 $ext{source} =
1396 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1397 . "#line 1 \"$path\"\n{\n"
1398 . $source
1399 . "\n};\n1";
1400
1401 $todo{$base} = \%ext;
1402 }
1403
1404 my $pass = 0;
1405 my %done;
1406 while (%todo) {
1407 my $progress;
1408
1409 ++$pass;
1410
1411 ext:
1412 while (my ($k, $v) = each %todo) {
1413 for (split /,\s*/, $v->{meta}{depends}) {
1414 next ext
1415 unless exists $done{$_};
1416 }
1417
1418 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1419
1420 my $active = eval $v->{source};
1421
1422 if (length $@) {
1423 warn "$v->{path}: $@\n";
1424
1425 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1426 if exists $v->{meta}{mandatory};
1427 } else {
1428 $done{$k} = delete $todo{$k};
1429 push @EXTS, $v->{pkg};
1430 $progress = 1;
1431
1432 warn "$v->{base}: extension inactive.\n"
1433 unless $active;
1434 }
1069 1 1435 }
1070 } or warn "$ext not loaded: $@"; 1436
1437 unless ($progress) {
1438 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1439
1440 while (my ($k, $v) = each %todo) {
1441 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1442 if exists $v->{meta}{mandatory};
1443 }
1444 }
1445 }
1071 } 1446 };
1072} 1447}
1073 1448
1074############################################################################# 1449#############################################################################
1075# load/save/clean perl data associated with a map
1076 1450
1077*cf::mapsupport::on_clean = sub { 1451=back
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 1452
1090=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
1091 1454
1092Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
1093 1456
1094=cut 1457=cut
1095 1458
1096package cf::player; 1459package cf::player;
1097 1460
… …
1099 1462
1100=head3 cf::player 1463=head3 cf::player
1101 1464
1102=over 4 1465=over 4
1103 1466
1467=item cf::player::num_playing
1468
1469Returns the official number of playing players, as per the Crossfire metaserver rules.
1470
1471=cut
1472
1473sub num_playing {
1474 scalar grep
1475 $_->ob->map
1476 && !$_->hidden
1477 && !$_->ob->flag (cf::FLAG_WIZ),
1478 cf::player::list
1479}
1480
1104=item cf::player::find $login 1481=item cf::player::find $login
1105 1482
1106Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
1107 1484
1108=cut 1485=cut
1109 1486
1110sub playerdir($) { 1487sub playerdir($) {
1111 cf::localdir 1488 "$PLAYERDIR/"
1112 . "/"
1113 . cf::playerdir
1114 . "/"
1115 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1489 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1116} 1490}
1117 1491
1118sub path($) { 1492sub path($) {
1119 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1493 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120 1494
1121 (playerdir $login) . "/$login.pl" 1495 (playerdir $login) . "/playerdata"
1122} 1496}
1123 1497
1124sub find_active($) { 1498sub find_active($) {
1125 $cf::PLAYER{$_[0]} 1499 $cf::PLAYER{$_[0]}
1126 and $cf::PLAYER{$_[0]}->active 1500 and $cf::PLAYER{$_[0]}->active
… …
1129 1503
1130sub exists($) { 1504sub exists($) {
1131 my ($login) = @_; 1505 my ($login) = @_;
1132 1506
1133 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 1508 or !aio_stat path $login
1135} 1509}
1136 1510
1137sub find($) { 1511sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 1513 my $login = $_[0];
1140 1514
1141 my $guard = cf::lock_acquire "user_find:$login"; 1515 my $guard = cf::lock_acquire "user_find:$login";
1142 1516
1143 $cf::PLAYER{$_[0]} || do { 1517 $cf::PLAYER{$_[0]} || do {
1144 my $pl = load_pl path $login 1518 # rename old playerfiles to new ones
1519 #TODO: remove when no longer required
1520 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1521 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1522 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1523 aio_unlink +(playerdir $login) . "/$login.pl";
1524
1525 my $f = new_from_file cf::object::thawer path $login
1145 or return; 1526 or return;
1527
1528 my $pl = cf::player::load_pl $f
1529 or return;
1530
1531 local $cf::PLAYER_LOADING{$login} = $pl;
1532 $f->resolve_delayed_derefs;
1146 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
1147 } 1534 }
1148 } 1535 }
1149} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($pl, $path) = @_;
1541
1542 # restore slots saved in save, below
1543 my $slots = delete $pl->{_slots};
1544
1545 $pl->ob->current_weapon ($slots->[0]);
1546 $pl->combat_ob ($slots->[1]);
1547 $pl->ranged_ob ($slots->[2]);
1548 },
1549);
1150 1550
1151sub save($) { 1551sub save($) {
1152 my ($pl) = @_; 1552 my ($pl) = @_;
1153 1553
1154 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
1159 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
1160 1560
1161 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
1162 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
1163 1563
1564 cf::get_slot 0.01;
1565
1566 # save slots, to be restored later
1567 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1568
1164 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1165 Coro::cede; 1570 cf::cede_to_tick;
1166} 1571}
1167 1572
1168sub new($) { 1573sub new($) {
1169 my ($login) = @_; 1574 my ($login) = @_;
1170 1575
… …
1176 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1177 1582
1178 $self 1583 $self
1179} 1584}
1180 1585
1586=item $player->send_msg ($channel, $msg, $color, [extra...])
1587
1588=cut
1589
1590sub send_msg {
1591 my $ns = shift->ns
1592 or return;
1593 $ns->send_msg (@_);
1594}
1595
1181=item $pl->quit_character 1596=item $pl->quit_character
1182 1597
1183Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1184be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1185 1600
1186=cut 1601=cut
1187 1602
1188sub quit_character { 1603sub quit_character {
1189 my ($pl) = @_; 1604 my ($pl) = @_;
1190 1605
1606 my $name = $pl->ob->name;
1607
1191 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1609 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1193 1610
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1195 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1196 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1197 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1198 1617
1199 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1620 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1621 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1622 $pl->destroy;
1623
1624 my $prefix = qr<^~\Q$name\E/>;
1625
1626 # nuke player maps
1627 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1628
1204 IO::AIO::aio_rmtree $temp; 1629 IO::AIO::aio_rmtree $temp;
1630}
1631
1632=item $pl->kick
1633
1634Kicks a player out of the game. This destroys the connection.
1635
1636=cut
1637
1638sub kick {
1639 my ($pl, $kicker) = @_;
1640
1641 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1642 $pl->killer ("kicked");
1643 $pl->ns->destroy;
1205} 1644}
1206 1645
1207=item cf::player::list_logins 1646=item cf::player::list_logins
1208 1647
1209Returns am arrayref of all valid playernames in the system, can take a 1648Returns am arrayref of all valid playernames in the system, can take a
1210while and may block, so not sync_job-capable, ever. 1649while and may block, so not sync_job-capable, ever.
1211 1650
1212=cut 1651=cut
1213 1652
1214sub list_logins { 1653sub list_logins {
1215 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1654 my $dirs = aio_readdir $PLAYERDIR
1216 or return []; 1655 or return [];
1217 1656
1218 my @logins; 1657 my @logins;
1219 1658
1220 for my $login (@$dirs) { 1659 for my $login (@$dirs) {
1660 my $path = path $login;
1661
1662 # a .pst is a dead give-away for a valid player
1663 # if no pst file found, open and chekc for blocked users
1664 if (aio_stat "$path.pst") {
1221 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1223 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1224 1669
1225 utf8::decode $login; 1670 utf8::decode $login;
1226 push @logins, $login; 1671 push @logins, $login;
1227 } 1672 }
1228 1673
1229 \@logins 1674 \@logins
1230} 1675}
1231 1676
1232=item $player->maps 1677=item $player->maps
1233 1678
1234Returns an arrayref of cf::path's of all maps that are private for this 1679Returns an arrayref of map paths that are private for this
1235player. May block. 1680player. May block.
1236 1681
1237=cut 1682=cut
1238 1683
1239sub maps($) { 1684sub maps($) {
1240 my ($pl) = @_; 1685 my ($pl) = @_;
1686
1687 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1688
1242 my $files = aio_readdir playerdir $pl 1689 my $files = aio_readdir playerdir $pl
1243 or return; 1690 or return;
1244 1691
1245 my @paths; 1692 my @paths;
… …
1247 for (@$files) { 1694 for (@$files) {
1248 utf8::decode $_; 1695 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1696 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1697 next unless /^$PATH_SEP/o;
1251 1698
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1699 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1700 }
1254 1701
1255 \@paths 1702 \@paths
1256} 1703}
1257 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1259 1710
1260Sends an ext reply to the player. 1711Sends an ext reply to the player.
1261 1712
1262=cut 1713=cut
1263 1714
1264sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1265 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1266 1717
1267 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1268
1269 $self->send ("ext " . cf::to_json \%msg);
1270} 1719}
1271 1720
1272package cf; 1721=item $player->ext_msg ($type, @msg)
1722
1723Sends an ext event to the client.
1724
1725=cut
1726
1727sub ext_msg($$@) {
1728 my ($self, $type, @msg) = @_;
1729
1730 $self->ns->ext_msg ($type, @msg);
1731}
1732
1733=head3 cf::region
1734
1735=over 4
1736
1737=cut
1738
1739package cf::region;
1740
1741=item cf::region::find_by_path $path
1742
1743Tries to decuce the likely region for a map knowing only its path.
1744
1745=cut
1746
1747sub find_by_path($) {
1748 my ($path) = @_;
1749
1750 my ($match, $specificity);
1751
1752 for my $region (list) {
1753 if ($region->{match} && $path =~ $region->{match}) {
1754 ($match, $specificity) = ($region, $region->specificity)
1755 if $region->specificity > $specificity;
1756 }
1757 }
1758
1759 $match
1760}
1273 1761
1274=back 1762=back
1275
1276 1763
1277=head3 cf::map 1764=head3 cf::map
1278 1765
1279=over 4 1766=over 4
1280 1767
… …
1283package cf::map; 1770package cf::map;
1284 1771
1285use Fcntl; 1772use Fcntl;
1286use Coro::AIO; 1773use Coro::AIO;
1287 1774
1775use overload
1776 '""' => \&as_string,
1777 fallback => 1;
1778
1288our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1290 1781
1291sub generate_random_map { 1782sub generate_random_map {
1292 my ($path, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1293 1786
1294 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1788 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1796 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1797 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1798 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1799 (cf::region::find $rmp->{region}), $rmp->{custom}
1800 )
1308} 1801}
1309 1802
1310# and all this just because we cannot iterate over 1803=item cf::map->register ($regex, $prio)
1311# all maps in C++...
1312sub change_all_map_light {
1313 my ($change) = @_;
1314 1804
1315 $_->change_map_light ($change) 1805Register a handler for the map path matching the given regex at the
1316 for grep $_->outdoor, values %cf::MAP; 1806givne priority (higher is better, built-in handlers have priority 0, the
1317} 1807default).
1318 1808
1319sub try_load_header($) { 1809=cut
1810
1811sub register {
1812 my (undef, $regex, $prio) = @_;
1813 my $pkg = caller;
1814
1815 no strict;
1816 push @{"$pkg\::ISA"}, __PACKAGE__;
1817
1818 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819}
1820
1821# also paths starting with '/'
1822$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1823
1824sub thawer_merge {
1825 my ($self, $merge) = @_;
1826
1827 # we have to keep some variables in memory intact
1828 local $self->{path};
1829 local $self->{load_path};
1830
1831 $self->SUPER::thawer_merge ($merge);
1832}
1833
1834sub normalise {
1320 my ($path) = @_; 1835 my ($path, $base) = @_;
1836
1837 $path = "$path"; # make sure its a string
1838
1839 $path =~ s/\.map$//;
1840
1841 # map plan:
1842 #
1843 # /! non-realised random map exit (special hack!)
1844 # {... are special paths that are not being touched
1845 # ?xxx/... are special absolute paths
1846 # ?random/... random maps
1847 # /... normal maps
1848 # ~user/... per-player map of a specific user
1849
1850 $path =~ s/$PATH_SEP/\//go;
1851
1852 # treat it as relative path if it starts with
1853 # something that looks reasonable
1854 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1855 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1856
1857 $base =~ s{[^/]+/?$}{};
1858 $path = "$base/$path";
1859 }
1860
1861 for ($path) {
1862 redo if s{//}{/};
1863 redo if s{/\.?/}{/};
1864 redo if s{/[^/]+/\.\./}{/};
1865 }
1866
1867 $path
1868}
1869
1870sub new_from_path {
1871 my (undef, $path, $base) = @_;
1872
1873 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1874
1875 $path = normalise $path, $base;
1876
1877 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1878 if ($path =~ $EXT_MAP{$pkg}[1]) {
1879 my $self = bless cf::map::new, $pkg;
1880 $self->{path} = $path; $self->path ($path);
1881 $self->init; # pass $1 etc.
1882 return $self;
1883 }
1884 }
1885
1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1887 ()
1888}
1889
1890sub init {
1891 my ($self) = @_;
1892
1893 $self
1894}
1895
1896sub as_string {
1897 my ($self) = @_;
1898
1899 "$self->{path}"
1900}
1901
1902# the displayed name, this is a one way mapping
1903sub visible_name {
1904 &as_string
1905}
1906
1907# the original (read-only) location
1908sub load_path {
1909 my ($self) = @_;
1910
1911 "$MAPDIR/$self->{path}.map"
1912}
1913
1914# the temporary/swap location
1915sub save_path {
1916 my ($self) = @_;
1917
1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1919 "$TMPDIR/$path.map"
1920}
1921
1922# the unique path, undef == no special unique path
1923sub uniq_path {
1924 my ($self) = @_;
1925
1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927 "$UNIQUEDIR/$path"
1928}
1929
1930sub decay_objects {
1931 my ($self) = @_;
1932
1933 return if $self->{deny_reset};
1934
1935 $self->do_decay_objects;
1936}
1937
1938sub unlink_save {
1939 my ($self) = @_;
1940
1941 utf8::encode (my $save = $self->save_path);
1942 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1943 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1944}
1945
1946sub load_header_from($) {
1947 my ($self, $path) = @_;
1321 1948
1322 utf8::encode $path; 1949 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1324 or return; 1951 or return;
1325 1952
1326 my $map = cf::map::new 1953 $self->_load_header ($f)
1327 or return; 1954 or return;
1328 1955
1329 # for better error messages only, will be overwritten 1956 local $MAP_LOADING{$self->{path}} = $self;
1330 $map->path ($path); 1957 $f->resolve_delayed_derefs;
1331 1958
1332 $map->load_header ($path) 1959 $self->{load_path} = $path;
1960
1961 1
1962}
1963
1964sub load_header_orig {
1965 my ($self) = @_;
1966
1967 $self->load_header_from ($self->load_path)
1968}
1969
1970sub load_header_temp {
1971 my ($self) = @_;
1972
1973 $self->load_header_from ($self->save_path)
1974}
1975
1976sub prepare_temp {
1977 my ($self) = @_;
1978
1979 $self->last_access ((delete $self->{last_access})
1980 || $cf::RUNTIME); #d#
1981 # safety
1982 $self->{instantiate_time} = $cf::RUNTIME
1983 if $self->{instantiate_time} > $cf::RUNTIME;
1984}
1985
1986sub prepare_orig {
1987 my ($self) = @_;
1988
1989 $self->{load_original} = 1;
1990 $self->{instantiate_time} = $cf::RUNTIME;
1991 $self->last_access ($cf::RUNTIME);
1992 $self->instantiate;
1993}
1994
1995sub load_header {
1996 my ($self) = @_;
1997
1998 if ($self->load_header_temp) {
1999 $self->prepare_temp;
2000 } else {
2001 $self->load_header_orig
1333 or return; 2002 or return;
2003 $self->prepare_orig;
2004 }
1334 2005
1335 $map->{load_path} = $path; 2006 $self->{deny_reset} = 1
2007 if $self->no_reset;
1336 2008
1337 $map 2009 $self->default_region (cf::region::find_by_path $self->{path})
2010 unless $self->default_region;
2011
2012 1
1338} 2013}
1339 2014
1340sub find; 2015sub find;
1341sub find { 2016sub find {
1342 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1343 2018
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 2020
1349 cf::lock_wait "map_find:$key"; 2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1350
1351 $cf::MAP{$key} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1353 2023
1354 # do it the slow way 2024 $cf::MAP{$path} || do {
1355 my $map = try_load_header $path->save_path; 2025 my $map = new_from_path cf::map $path
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 2026 or return;
1373 2027
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1386 2029
1387 Coro::cede; 2030 $map->load_header
2031 or return;
1388 2032
1389 if ($map->should_reset) { 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2034 # doing this can freeze the server in a sync job, obviously
2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1390 $map->reset; 2038 $map->reset;
1391 undef $guard;
1392 $map = find $path 2039 return find $path;
1393 or return;
1394 } 2040 }
1395 2041
1396 $cf::MAP{$key} = $map 2042 $cf::MAP{$path} = $map
1397 } 2043 }
1398} 2044}
2045
2046sub pre_load { }
2047#sub post_load { } # XS
1399 2048
1400sub load { 2049sub load {
1401 my ($self) = @_; 2050 my ($self) = @_;
1402 2051
2052 local $self->{deny_reset} = 1; # loading can take a long time
2053
1403 my $path = $self->{path}; 2054 my $path = $self->{path};
2055
2056 {
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2057 my $guard = cf::lock_acquire "map_data:$path";
1405 2058
2059 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 2061
1408 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1409 2063
1410 $self->alloc; 2064 $self->alloc;
1411 $self->load_objects ($self->{load_path}, 1) 2065
2066 $self->pre_load;
2067 cf::cede_to_tick;
2068
2069 my $f = new_from_file cf::object::thawer $self->{load_path};
2070 $f->skip_block;
2071 $self->_load_objects ($f)
1412 or return; 2072 or return;
1413 2073
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1415 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1416 2076
1417 if (my $uniq = $path->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 2078 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1420 $self->clear_unique_items; 2081 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1422 } 2085 }
1423 } 2086 }
1424 2087
1425 Coro::cede; 2088 $f->resolve_delayed_derefs;
1426 2089
2090 cf::cede_to_tick;
1427 # now do the right thing for maps 2091 # now do the right thing for maps
1428 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1429
1430 if ($self->{path}->is_style_map) {
1431 $self->{deny_save} = 1;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons;
1437 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 2094 unless $self->difficulty;
2095 cf::cede_to_tick;
2096
2097 unless ($self->{deny_activate}) {
2098 $self->decay_objects;
2099 $self->fix_auto_apply;
2100 $self->update_buttons;
2101 cf::cede_to_tick;
1440 $self->activate; 2102 $self->activate;
1441 } 2103 }
1442 2104
1443 Coro::cede; 2105 $self->{last_save} = $cf::RUNTIME;
2106 $self->last_access ($cf::RUNTIME);
1444 2107
1445 $self->in_memory (cf::MAP_IN_MEMORY); 2108 $self->in_memory (cf::MAP_ACTIVE);
2109 }
2110
2111 $self->post_load;
2112}
2113
2114# customize the map for a given player, i.e.
2115# return the _real_ map. used by e.g. per-player
2116# maps to change the path to ~playername/mappath
2117sub customise_for {
2118 my ($self, $ob) = @_;
2119
2120 return find "~" . $ob->name . "/" . $self->{path}
2121 if $self->per_player;
2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
2126 $self
1446} 2127}
1447 2128
1448# find and load all maps in the 3x3 area around a map 2129# find and load all maps in the 3x3 area around a map
1449sub load_diag { 2130sub load_neighbours {
1450 my ($map) = @_; 2131 my ($map) = @_;
1451 2132
1452 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1453 2134
1454 for (0 .. 3) { 2135 for (0 .. 3) {
1455 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1456 or next; 2137 or next;
1457 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1458 or next; 2139 or next;
1459 $neigh->load; 2140 $neigh->load;
1460 2141
2142 push @neigh,
1461 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1462 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1463 } 2145 }
1464 2146
1465 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1466 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1467 or next; 2150 or next;
1468 $neigh->load; 2151 $neigh->load;
1469 } 2152 }
1470} 2153}
1471 2154
… …
1476} 2159}
1477 2160
1478sub do_load_sync { 2161sub do_load_sync {
1479 my ($map) = @_; 2162 my ($map) = @_;
1480 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1481 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1482} 2168}
1483 2169
1484our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
2171our $MAP_PREFETCHER = undef;
2172
2173sub find_async {
2174 my ($path, $origin, $load) = @_;
2175
2176 $path = normalise $path, $origin && $origin->{path};
2177
2178 if (my $map = $cf::MAP{$path}) {
2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2180 }
2181
2182 $MAP_PREFETCH{$path} |= $load;
2183
1485our $MAP_PREFETCHER = Coro::async { 2184 $MAP_PREFETCHER ||= cf::async {
1486 while () { 2185 $Coro::current->{desc} = "map prefetcher";
2186
1487 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1489 or next; 2189 if (my $map = find $k) {
2190 $map->load if $v;
2191 }
2192
1490 my $path = delete $MAP_PREFETCH{$key}; 2193 delete $MAP_PREFETCH{$k};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 } 2194 }
1496 Coro::schedule; 2195 }
2196 undef $MAP_PREFETCHER;
1497 } 2197 };
1498};
1499
1500sub find_async {
1501 my ($path, $origin) = @_;
1502
1503 $path = new cf::path $path, $origin && $origin->path;
1504 my $key = $path->as_string;
1505
1506 if (my $map = $cf::MAP{$key}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 }
1509
1510 $MAP_PREFETCH{$key} = $path;
1511 $MAP_PREFETCHER->ready; 2198 $MAP_PREFETCHER->prio (6);
1512 2199
1513 () 2200 ()
1514} 2201}
1515 2202
1516sub save { 2203sub save {
1517 my ($self) = @_; 2204 my ($self) = @_;
1518 2205
1519 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1520 2207
1521 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1522 2209
1523 return unless $self->dirty; 2210 return unless $self->dirty;
1524 2211
1525 my $save = $self->{path}->save_path; utf8::encode $save; 2212 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2213 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 2214
1528 $self->{load_path} = $save; 2215 $self->{load_path} = $save;
1529 2216
1530 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1531 2218
1532 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1533 2220
1534 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1535 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1536 }; 2224 };
1537 2225
2226 cf::get_slot 0.02;
2227
1538 if ($uniq) { 2228 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 2231 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2232 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 2233 }
1544} 2234}
1545 2235
1546sub swap_out { 2236sub swap_out {
1547 my ($self) = @_; 2237 my ($self) = @_;
1548 2238
1549 # save first because save cedes 2239 # save first because save cedes
1550 $self->save; 2240 $self->save;
1551 2241
1552 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1553 2243
1554 return if $self->players; 2244 return if $self->players;
1555 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1556 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1557 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1558 $self->clear; 2252 $self->clear;
1559 $self->in_memory (cf::MAP_SWAPPED);
1560} 2253}
1561 2254
1562sub reset_at { 2255sub reset_at {
1563 my ($self) = @_; 2256 my ($self) = @_;
1564 2257
1565 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel};
1567 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1568 2260
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2262 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 2263
… …
1576 my ($self) = @_; 2268 my ($self) = @_;
1577 2269
1578 $self->reset_at <= $cf::RUNTIME 2270 $self->reset_at <= $cf::RUNTIME
1579} 2271}
1580 2272
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 2273sub reset {
1603 my ($self) = @_; 2274 my ($self) = @_;
1604 2275
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2277
1607 return if $self->players; 2278 return if $self->players;
1608 return if $self->{path}{user_rel};#d#
1609 2279
1610 warn "resetting map ", $self->path;#d# 2280 warn "resetting map ", $self->path, "\n";
2281
2282 $self->in_memory (cf::MAP_SWAPPED);
2283
2284 # need to save uniques path
2285 unless ($self->{deny_save}) {
2286 my $uniq = $self->uniq_path; utf8::encode $uniq;
2287
2288 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2289 if $uniq;
2290 }
1611 2291
1612 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1613 2293
2294 $self->deactivate;
1614 $_->clear_links_to ($self) for values %cf::MAP; 2295 $_->clear_links_to ($self) for values %cf::MAP;
2296 $self->clear;
1615 2297
1616 $self->unlink_save; 2298 $self->unlink_save;
1617 $self->destroy; 2299 $self->destroy;
1618} 2300}
1619 2301
1620my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1621 2303
1622sub nuke { 2304sub nuke {
1623 my ($self) = @_; 2305 my ($self) = @_;
1624 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
2310 delete $cf::MAP{$self->path};
2311
2312 $self->unlink_save;
2313
2314 bless $self, "cf::map";
2315 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2319
2320 $cf::MAP{$self->path} = $self;
2321 }
2322
1628 $self->reset; # polite request, might not happen 2323 $self->reset; # polite request, might not happen
1629} 2324}
1630 2325
1631sub customise_for { 2326=item $maps = cf::map::tmp_maps
1632 my ($map, $ob) = @_;
1633 2327
1634 if ($map->per_player) { 2328Returns an arrayref with all map paths of currently instantiated and saved
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2329maps. May block.
2330
2331=cut
2332
2333sub tmp_maps() {
1636 } 2334 [
2335 map {
2336 utf8::decode $_;
2337 /\.map$/
2338 ? normalise $_
2339 : ()
2340 } @{ aio_readdir $TMPDIR or [] }
2341 ]
2342}
1637 2343
1638 $map 2344=item $maps = cf::map::random_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347random maps. May block.
2348
2349=cut
2350
2351sub random_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise "?random/$_"
2357 : ()
2358 } @{ aio_readdir $RANDOMDIR or [] }
2359 ]
1639} 2360}
1640 2361
1641=item cf::map::unique_maps 2362=item cf::map::unique_maps
1642 2363
1643Returns an arrayref of cf::path's of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 2365instantiated unique items. May block.
1645 2366
1646=cut 2367=cut
1647 2368
1648sub unique_maps() { 2369sub unique_maps() {
1649 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2370 [
1650 or return; 2371 map {
1651
1652 my @paths;
1653
1654 for (@$files) {
1655 utf8::decode $_; 2372 utf8::decode $_;
1656 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1657 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1658 2375 ? ()
1659 push @paths, new cf::path $_; 2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
1660 } 2378 ]
1661
1662 \@paths
1663} 2379}
1664 2380
1665package cf; 2381=item cf::map::static_maps
2382
2383Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2384file in the shared directory excluding F</styles> and F</editor>). May
2385block.
2386
2387=cut
2388
2389sub static_maps() {
2390 my @dirs = "";
2391 my @maps;
2392
2393 while (@dirs) {
2394 my $dir = shift @dirs;
2395
2396 next if $dir eq "/styles" || $dir eq "/editor";
2397
2398 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2399 or return;
2400
2401 for (@$files) {
2402 s/\.map$// or next;
2403 utf8::decode $_;
2404 push @maps, "$dir/$_";
2405 }
2406
2407 push @dirs, map "$dir/$_", @$dirs;
2408 }
2409
2410 \@maps
2411}
1666 2412
1667=back 2413=back
1668 2414
1669=head3 cf::object 2415=head3 cf::object
1670 2416
… …
1674 2420
1675=over 4 2421=over 4
1676 2422
1677=item $ob->inv_recursive 2423=item $ob->inv_recursive
1678 2424
1679Returns the inventory of the object _and_ their inventories, recursively. 2425Returns the inventory of the object I<and> their inventories, recursively,
2426but I<not> the object itself.
1680 2427
1681=cut 2428=cut
1682 2429
1683sub inv_recursive_; 2430sub inv_recursive_;
1684sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1687 2434
1688sub inv_recursive { 2435sub inv_recursive {
1689 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1690} 2437}
1691 2438
2439=item $ref = $ob->ref
2440
2441Creates and returns a persistent reference to an object that can be stored as a string.
2442
2443=item $ob = cf::object::deref ($refstring)
2444
2445returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2446even if the object actually exists. May block.
2447
2448=cut
2449
2450sub deref {
2451 my ($ref) = @_;
2452
2453 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2454 my ($uuid, $name) = ($1, $2);
2455 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2456 or return;
2457 $pl->ob->uuid eq $uuid
2458 or return;
2459
2460 $pl->ob
2461 } else {
2462 warn "$ref: cannot resolve object reference\n";
2463 undef
2464 }
2465}
2466
1692package cf; 2467package cf;
1693 2468
1694=back 2469=back
1695 2470
1696=head3 cf::object::player 2471=head3 cf::object::player
… …
1702Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2477Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1703can be C<undef>. Does the right thing when the player is currently in a 2478can be C<undef>. Does the right thing when the player is currently in a
1704dialogue with the given NPC character. 2479dialogue with the given NPC character.
1705 2480
1706=cut 2481=cut
2482
2483our $SAY_CHANNEL = {
2484 id => "say",
2485 title => "Map",
2486 reply => "say ",
2487 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2488};
2489
2490our $CHAT_CHANNEL = {
2491 id => "chat",
2492 title => "Chat",
2493 reply => "chat ",
2494 tooltip => "Player chat and shouts, global to the server.",
2495};
1707 2496
1708# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1709# with dialog boxes. 2498# with dialog boxes.
1710#TODO: the first argument must go, split into a $npc->reply_to ( method 2499#TODO: the first argument must go, split into a $npc->reply_to ( method
1711sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1713 2502
1714 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715 2504
1716 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1717 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1718 } else { 2508 } else {
2509 my $pl = $self->contr;
2510
2511 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2512 my $dialog = $pl->{npc_dialog};
2513 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2514
2515 } else {
1719 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1720 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1721 } 2519 }
2520}
2521
2522=item $object->send_msg ($channel, $msg, $color, [extra...])
2523
2524=cut
2525
2526sub cf::object::send_msg {
2527 my $pl = shift->contr
2528 or return;
2529 $pl->send_msg (@_);
1722} 2530}
1723 2531
1724=item $player_object->may ("access") 2532=item $player_object->may ("access")
1725 2533
1726Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1739 2547
1740=item $player_object->enter_link 2548=item $player_object->enter_link
1741 2549
1742Freezes the player and moves him/her to a special map (C<{link}>). 2550Freezes the player and moves him/her to a special map (C<{link}>).
1743 2551
1744The player should be reaosnably safe there for short amounts of time. You 2552The player should be reasonably safe there for short amounts of time (e.g.
1745I<MUST> call C<leave_link> as soon as possible, though. 2553for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2554though, as the palyer cannot control the character while it is on the link
2555map.
2556
2557Will never block.
1746 2558
1747=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1748 2560
1749Moves the player out of the specila link map onto the given map. If the 2561Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 2562map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 2563to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 2564fails, to the emergency map position.
1753 2565
1754Might block. 2566Might block.
1755 2567
1756=cut 2568=cut
2569
2570sub link_map {
2571 unless ($LINK_MAP) {
2572 $LINK_MAP = cf::map::find "{link}"
2573 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2574 $LINK_MAP->load;
2575 }
2576
2577 $LINK_MAP
2578}
1757 2579
1758sub cf::object::player::enter_link { 2580sub cf::object::player::enter_link {
1759 my ($self) = @_; 2581 my ($self) = @_;
1760 2582
1761 $self->deactivate_recursive; 2583 $self->deactivate_recursive;
1762 2584
1763 return if $self->map == $LINK_MAP; 2585 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 2586
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2587 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 2588 if $self->map && $self->map->{path} ne "{link}";
1767 2589
1768 $self->enter_map ($LINK_MAP, 20, 20); 2590 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 2591}
1770 2592
1771sub cf::object::player::leave_link { 2593sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 2594 my ($self, $map, $x, $y) = @_;
2595
2596 return unless $self->contr->active;
1773 2597
1774 my $link_pos = delete $self->{_link_pos}; 2598 my $link_pos = delete $self->{_link_pos};
1775 2599
1776 unless ($map) { 2600 unless ($map) {
1777 # restore original map position 2601 # restore original map position
… …
1788 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1789 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1790 2614
1791 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1792 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1793 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1794 2618
1795 $map->load; 2619 $map->load;
1796 $map->load_diag; 2620 $map->load_neighbours;
1797 2621
1798 return unless $self->contr->active; 2622 return unless $self->contr->active;
2623
2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2625 $self->enter_map ($map, $x, $y);
2626
2627 # only activate afterwards, to support waiting in hooks
1799 $self->activate_recursive; 2628 $self->activate_recursive;
1800 $self->enter_map ($map, $x, $y);
1801} 2629}
1802 2630
1803cf::player->attach ( 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804 on_logout => sub {
1805 my ($pl) = @_;
1806 2632
1807 # abort map switching before logout 2633Moves the player to the given map-path and coordinates by first freezing
1808 if ($pl->ob->{_link_pos}) { 2634her, loading and preparing them map, calling the provided $check callback
1809 cf::sync_job { 2635that has to return the map if sucecssful, and then unfreezes the player on
1810 $pl->ob->leave_link 2636the new (success) or old (failed) map position. In either case, $done will
1811 }; 2637be called at the end of this process.
1812 }
1813 },
1814 on_login => sub {
1815 my ($pl) = @_;
1816 2638
1817 # try to abort aborted map switching on player login :) 2639Note that $check will be called with a potentially non-loaded map, so if
1818 # should happen only on crashes 2640it needs a loaded map it has to call C<< ->load >>.
1819 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link;
1821 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED);
1828 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link;
1830 })->prio (2);
1831 }
1832 },
1833);
1834 2641
1835=item $player_object->goto ($path, $x, $y)
1836
1837=cut 2642=cut
2643
2644our $GOTOGEN;
1838 2645
1839sub cf::object::player::goto { 2646sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 2647 my ($self, $path, $x, $y, $check, $done) = @_;
1841 2648
1842 $path = new cf::path $path; 2649 # do generation counting so two concurrent goto's will be executed in-order
2650 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843 2651
1844 $self->enter_link; 2652 $self->enter_link;
1845 2653
1846 (async { 2654 (async {
1847 my $map = cf::map::find $path->as_string; 2655 $Coro::current->{desc} = "player::goto $path $x $y";
2656
2657 # *tag paths override both path and x|y
2658 if ($path =~ /^\*(.*)$/) {
2659 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2660 my $ob = $obs[rand @obs];
2661
2662 # see if we actually can go there
2663 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2664 $ob = $obs[rand @obs];
2665 } else {
2666 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2667 }
2668 # else put us there anyways for now #d#
2669
2670 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2671 } else {
2672 ($path, $x, $y) = (undef, undef, undef);
2673 }
2674 }
2675
2676 my $map = eval {
2677 my $map = defined $path ? cf::map::find $path : undef;
2678
2679 if ($map) {
1848 $map = $map->customise_for ($self) if $map; 2680 $map = $map->customise_for ($self);
1849 2681 $map = $check->($map) if $check && $map;
1850# warn "entering ", $map->path, " at ($x, $y)\n" 2682 } else {
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2683 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2684 }
1854 2685
2686 $map
2687 };
2688
2689 if ($@) {
2690 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2691 LOG llevError | logBacktrace, Carp::longmess $@;
2692 }
2693
2694 if ($gen == $self->{_goto_generation}) {
2695 delete $self->{_goto_generation};
1855 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2697 }
2698
2699 $done->() if $done;
1856 })->prio (1); 2700 })->prio (1);
1857} 2701}
1858 2702
1859=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1860 2704
… …
1862 2706
1863sub parse_random_map_params { 2707sub parse_random_map_params {
1864 my ($spec) = @_; 2708 my ($spec) = @_;
1865 2709
1866 my $rmp = { # defaults 2710 my $rmp = { # defaults
1867 xsize => 10, 2711 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 2712 ysize => (cf::rndm 15, 40),
2713 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2714 #layout => string,
1869 }; 2715 };
1870 2716
1871 for (split /\n/, $spec) { 2717 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 2718 my ($k, $v) = split /\s+/, $_, 2;
1873 2719
… …
1885 # that depends on the exit object 2731 # that depends on the exit object
1886 2732
1887 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
1888 2734
1889 if ($exit->map) { 2735 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 2736 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
1894 } 2742 }
1895 2743
1896 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
1897 2745
1898 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1899 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
2748 my $meta = "$RANDOMDIR/$md5.meta";
1900 2749
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
2752 undef $fh;
2753 aio_rename "$meta~", $meta;
1903 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
1904 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
1906 } 2761 }
1907} 2762}
1908 2763
1909sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
… …
1912 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
1913 2768
1914 $self->enter_link; 2769 $self->enter_link;
1915 2770
1916 (async { 2771 (async {
1917 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
1918 unless (eval { 2774 unless (eval {
2775 $self->deactivate_recursive; # just to be sure
2776
2777 # random map handling
2778 {
2779 my $guard = cf::lock_acquire "exit_prepare:$exit";
2780
1919 prepare_random_map $exit 2781 prepare_random_map $exit
1920 if $exit->slaying eq "/!"; 2782 if $exit->slaying eq "/!";
2783 }
1921 2784
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2785 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2786 my $x = $exit->stats->hp;
2787 my $y = $exit->stats->sp;
1924 2788
2789 $self->goto ($map, $x, $y);
2790
2791 # if exit is damned, update players death & WoR home-position
2792 $self->contr->savebed ($map, $x, $y)
2793 if $exit->flag (cf::FLAG_DAMNED);
2794
1925 1; 2795 1
1926 }) { 2796 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
1928 . "I'll try to bring you back to the map you were before. " 2798 . "I'll try to bring you back to the map you were before. "
1929 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
1931 2801
1932 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 2803 $self->leave_link;
1934 } 2804 }
1935 })->prio (1); 2805 })->prio (1);
… …
1948 2818
1949sub cf::client::send_drawinfo { 2819sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2820 my ($self, $text, $flags) = @_;
1951 2821
1952 utf8::encode $text; 2822 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2824}
1955 2825
2826=item $client->send_big_packet ($pkt)
2827
2828Like C<send_packet>, but tries to compress large packets, and fragments
2829them as required.
2830
2831=cut
2832
2833our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2834
2835sub cf::client::send_big_packet {
2836 my ($self, $pkt) = @_;
2837
2838 # try lzf for large packets
2839 $pkt = "lzf " . Compress::LZF::compress $pkt
2840 if 1024 <= length $pkt and $self->{can_lzf};
2841
2842 # split very large packets
2843 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2844 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2845 $pkt = "frag";
2846 }
2847
2848 $self->send_packet ($pkt);
2849}
2850
2851=item $client->send_msg ($channel, $msg, $color, [extra...])
2852
2853Send a drawinfo or msg packet to the client, formatting the msg for the
2854client if neccessary. C<$type> should be a string identifying the type of
2855the message, with C<log> being the default. If C<$color> is negative, suppress
2856the message unless the client supports the msg packet.
2857
2858=cut
2859
2860# non-persistent channels (usually the info channel)
2861our %CHANNEL = (
2862 "c/motd" => {
2863 id => "infobox",
2864 title => "MOTD",
2865 reply => undef,
2866 tooltip => "The message of the day",
2867 },
2868 "c/identify" => {
2869 id => "infobox",
2870 title => "Identify",
2871 reply => undef,
2872 tooltip => "Items recently identified",
2873 },
2874 "c/examine" => {
2875 id => "infobox",
2876 title => "Examine",
2877 reply => undef,
2878 tooltip => "Signs and other items you examined",
2879 },
2880 "c/shopinfo" => {
2881 id => "infobox",
2882 title => "Shop Info",
2883 reply => undef,
2884 tooltip => "What your bargaining skill tells you about the shop",
2885 },
2886 "c/book" => {
2887 id => "infobox",
2888 title => "Book",
2889 reply => undef,
2890 tooltip => "The contents of a note or book",
2891 },
2892 "c/lookat" => {
2893 id => "infobox",
2894 title => "Look",
2895 reply => undef,
2896 tooltip => "What you saw there",
2897 },
2898 "c/who" => {
2899 id => "infobox",
2900 title => "Players",
2901 reply => undef,
2902 tooltip => "Shows players who are currently online",
2903 },
2904 "c/body" => {
2905 id => "infobox",
2906 title => "Body Parts",
2907 reply => undef,
2908 tooltip => "Shows which body parts you posess and are available",
2909 },
2910 "c/statistics" => {
2911 id => "infobox",
2912 title => "Statistics",
2913 reply => undef,
2914 tooltip => "Shows your primary statistics",
2915 },
2916 "c/skills" => {
2917 id => "infobox",
2918 title => "Skills",
2919 reply => undef,
2920 tooltip => "Shows your experience per skill and item power",
2921 },
2922 "c/shopitems" => {
2923 id => "infobox",
2924 title => "Shop Items",
2925 reply => undef,
2926 tooltip => "Shows the items currently for sale in this shop",
2927 },
2928 "c/resistances" => {
2929 id => "infobox",
2930 title => "Resistances",
2931 reply => undef,
2932 tooltip => "Shows your resistances",
2933 },
2934 "c/pets" => {
2935 id => "infobox",
2936 title => "Pets",
2937 reply => undef,
2938 tooltip => "Shows information abotu your pets/a specific pet",
2939 },
2940 "c/perceiveself" => {
2941 id => "infobox",
2942 title => "Perceive Self",
2943 reply => undef,
2944 tooltip => "You gained detailed knowledge about yourself",
2945 },
2946 "c/uptime" => {
2947 id => "infobox",
2948 title => "Uptime",
2949 reply => undef,
2950 tooltip => "How long the server has been running since last restart",
2951 },
2952 "c/mapinfo" => {
2953 id => "infobox",
2954 title => "Map Info",
2955 reply => undef,
2956 tooltip => "Information related to the maps",
2957 },
2958 "c/party" => {
2959 id => "party",
2960 title => "Party",
2961 reply => "gsay ",
2962 tooltip => "Messages and chat related to your party",
2963 },
2964 "c/death" => {
2965 id => "death",
2966 title => "Death",
2967 reply => undef,
2968 tooltip => "Reason for and more info about your most recent death",
2969 },
2970 "c/say" => $SAY_CHANNEL,
2971 "c/chat" => $CHAT_CHANNEL,
2972);
2973
2974sub cf::client::send_msg {
2975 my ($self, $channel, $msg, $color, @extra) = @_;
2976
2977 $msg = $self->pl->expand_cfpod ($msg)
2978 unless $color & cf::NDI_VERBATIM;
2979
2980 $color &= cf::NDI_CLIENT_MASK; # just in case...
2981
2982 # check predefined channels, for the benefit of C
2983 if ($CHANNEL{$channel}) {
2984 $channel = $CHANNEL{$channel};
2985
2986 $self->ext_msg (channel_info => $channel);
2987 $channel = $channel->{id};
2988
2989 } elsif (ref $channel) {
2990 # send meta info to client, if not yet sent
2991 unless (exists $self->{channel}{$channel->{id}}) {
2992 $self->{channel}{$channel->{id}} = $channel;
2993 $self->ext_msg (channel_info => $channel);
2994 }
2995
2996 $channel = $channel->{id};
2997 }
2998
2999 return unless @extra || length $msg;
3000
3001 # default colour, mask it out
3002 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3003 if $color & cf::NDI_DEF;
3004
3005 my $pkt = "msg "
3006 . $self->{json_coder}->encode (
3007 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3008 );
3009
3010 $self->send_big_packet ($pkt);
3011}
3012
3013=item $client->ext_msg ($type, @msg)
3014
3015Sends an ext event to the client.
3016
3017=cut
3018
3019sub cf::client::ext_msg($$@) {
3020 my ($self, $type, @msg) = @_;
3021
3022 if ($self->extcmd == 2) {
3023 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3024 } elsif ($self->extcmd == 1) { # TODO: remove
3025 push @msg, msgtype => "event_$type";
3026 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3027 }
3028}
3029
3030=item $client->ext_reply ($msgid, @msg)
3031
3032Sends an ext reply to the client.
3033
3034=cut
3035
3036sub cf::client::ext_reply($$@) {
3037 my ($self, $id, @msg) = @_;
3038
3039 if ($self->extcmd == 2) {
3040 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3041 } elsif ($self->extcmd == 1) {
3042 #TODO: version 1, remove
3043 unshift @msg, msgtype => "reply", msgid => $id;
3044 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3045 }
3046}
1956 3047
1957=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
1958 3049
1959Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
1960the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3051the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3052C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962 3053
1963Queries can fail, so check the return code. Or don't, as queries will become 3054Queries can fail, so check the return code. Or don't, as queries will
1964reliable at some point in the future. 3055become reliable at some point in the future.
1965 3056
1966=cut 3057=cut
1967 3058
1968sub cf::client::query { 3059sub cf::client::query {
1969 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
1977 utf8::encode $text; 3068 utf8::encode $text;
1978 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979 3070
1980 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
1981 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
1982} 3075}
1983 3076
1984cf::client->attach ( 3077cf::client->attach (
3078 on_connect => sub {
3079 my ($ns) = @_;
3080
3081 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3082 },
1985 on_reply => sub { 3083 on_reply => sub {
1986 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
1987 3085
1988 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
1989 # get handled first 3087 # get handled first
1990 my $queue = delete $ns->{query_queue} 3088 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 3089 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 3090
1993 (shift @$queue)->[1]->($msg); 3091 (shift @$queue)->[1]->($msg);
3092 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 3093
1995 push @{ $ns->{query_queue} }, @$queue; 3094 push @{ $ns->{query_queue} }, @$queue;
1996 3095
1997 if (@{ $ns->{query_queue} } == @$queue) { 3096 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 3097 if (@$queue) {
… …
2000 } else { 3099 } else {
2001 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002 } 3101 }
2003 } 3102 }
2004 }, 3103 },
3104 on_exticmd => sub {
3105 my ($ns, $buf) = @_;
3106
3107 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3108
3109 if (ref $msg) {
3110 my ($type, $reply, @payload) =
3111 "ARRAY" eq ref $msg
3112 ? @$msg
3113 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3114
3115 my @reply;
3116
3117 if (my $cb = $EXTICMD{$type}) {
3118 @reply = $cb->($ns, @payload);
3119 }
3120
3121 $ns->ext_reply ($reply, @reply)
3122 if $reply;
3123
3124 } else {
3125 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3126 }
3127
3128 cf::override;
3129 },
2005); 3130);
2006 3131
2007=item $client->async (\&cb) 3132=item $client->async (\&cb)
2008 3133
2009Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
2025 3150
2026 $coro 3151 $coro
2027} 3152}
2028 3153
2029cf::client->attach ( 3154cf::client->attach (
2030 on_destroy => sub { 3155 on_client_destroy => sub {
2031 my ($ns) = @_; 3156 my ($ns) = @_;
2032 3157
2033 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2034 }, 3159 },
2035); 3160);
… …
2050our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2051our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2052 3177
2053$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2054 3179
2055$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3180$safe->permit_only (Opcode::opset qw(
3181 :base_core :base_mem :base_orig :base_math :base_loop
3182 grepstart grepwhile mapstart mapwhile
3183 sort time
3184));
2056 3185
2057# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2058 3187
2059=pod 3188=pod
2060 3189
2061The following fucntions and emthods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2062 3191
2063 cf::object contr pay_amount pay_player map 3192 cf::object
3193 contr pay_amount pay_player map x y force_find force_add destroy
3194 insert remove name archname title slaying race decrease split
3195 value
3196
2064 cf::object::player player 3197 cf::object::player
2065 cf::player peaceful 3198 player
2066 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2067 3205
2068=cut 3206=cut
2069 3207
2070for ( 3208for (
2071 ["cf::object" => qw(contr pay_amount pay_player map)], 3209 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3210 insert remove inv nrof name archname title slaying race
3211 decrease split destroy change_exp value msg lore send_msg)],
2072 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2073 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2074 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2075) { 3215) {
2076 no strict 'refs'; 3216 no strict 'refs';
2077 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2078 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2096 3236
2097 my $qcode = $code; 3237 my $qcode = $code;
2098 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2099 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2100 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2101 local $_; 3244 local $_;
2102 local @safe::cf::_safe_eval_args = values %vars;
2103 3245
2104 my $eval = 3246 my $eval =
2105 "do {\n" 3247 "do {\n"
2106 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2107 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2108 . $code 3250 . $code
2109 . "\n}" 3251 . "\n}"
2110 ; 3252 ;
2111 3253
3254 if ($CFG{safe_eval}) {
2112 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2113 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2114 sub_generation_inc; 3258 sub_generation_inc;
3259 } else {
3260 local @cf::_safe_eval_args = values %vars;
3261 @res = wantarray ? eval eval : scalar eval $eval;
3262 }
2115 3263
2116 if ($@) { 3264 if ($@) {
2117 warn "$@"; 3265 warn "$@";
2118 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2119 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2138=cut 3286=cut
2139 3287
2140sub register_script_function { 3288sub register_script_function {
2141 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2142 3290
2143 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2144 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2145} 3293}
2146 3294
2147=back 3295=back
2148 3296
2149=cut 3297=cut
2150 3298
2151############################################################################# 3299#############################################################################
3300# the server's init and main functions
2152 3301
2153=head2 EXTENSION DATABASE SUPPORT 3302sub load_facedata($) {
3303 my ($path) = @_;
2154 3304
2155Crossfire maintains a very simple database for extension use. It can 3305 # HACK to clear player env face cache, we need some signal framework
2156currently store anything that can be serialised using Storable, which 3306 # for this (global event?)
2157excludes objects. 3307 %ext::player_env::MUSIC_FACE_CACHE = ();
2158 3308
2159The parameter C<$family> should best start with the name of the extension 3309 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160using it, it should be unique.
2161 3310
2162=over 4 3311 warn "loading facedata from $path\n";
2163 3312
2164=item $hashref = cf::db_get $family 3313 my $facedata;
3314 0 < aio_load $path, $facedata
3315 or die "$path: $!";
2165 3316
2166Return a hashref for use by the extension C<$family>, which can be 3317 $facedata = Coro::Storable::thaw $facedata;
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169 3318
2170=item $value = cf::db_get $family => $key 3319 $facedata->{version} == 2
3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
2171 3321
2172Returns a single value from the database 3322 # patch in the exptable
2173 3323 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2174=item cf::db_put $family => $hashref 3324 $facedata->{resource}{"res/exp_table"} = {
2175 3325 type => FT_RSRC,
2176Stores the given family hashref into the database. Updates are delayed, if 3326 data => $exp_table,
2177you want the data to be synced to disk immediately, use C<cf::db_sync>. 3327 hash => (Digest::MD5::md5 $exp_table),
2178
2179=item cf::db_put $family => $key => $value
2180
2181Stores the given C<$value> in the family hash. Updates are delayed, if you
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191
2192=cut
2193
2194our $DB;
2195
2196{
2197 my $path = cf::localdir . "/database.pst";
2198
2199 sub db_load() {
2200 $DB = stat $path ? Storable::retrieve $path : { };
2201 }
2202
2203 my $pid;
2204
2205 sub db_save() {
2206 waitpid $pid, 0 if $pid;
2207 if (0 == ($pid = fork)) {
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 }
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 }); 3328 };
3329 cf::cede_to_tick;
2225 3330
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 } 3331 {
3332 my $faces = $facedata->{faceinfo};
2230 3333
2231 sub db_get($;$) { 3334 while (my ($face, $info) = each %$faces) {
2232 @_ >= 2 3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236 3336
2237 sub db_put($$;$) { 3337 cf::face::set_visibility $idx, $info->{visibility};
2238 if (@_ >= 3) { 3338 cf::face::set_magicmap $idx, $info->{magicmap};
2239 $DB->{$_[0]}{$_[1]} = $_[2]; 3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2240 } else { 3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245 3341
2246 cf::global->attach ( 3342 cf::cede_to_tick;
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 3343 }
2251 );
2252}
2253 3344
2254############################################################################# 3345 while (my ($face, $info) = each %$faces) {
2255# the server's main() 3346 next unless $info->{smooth};
2256 3347
2257sub cfg_load { 3348 my $idx = cf::face::find $face
3349 or next;
3350
3351 if (my $smooth = cf::face::find $info->{smooth}) {
3352 cf::face::set_smooth $idx, $smooth;
3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3354 } else {
3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
3356 }
3357
3358 cf::cede_to_tick;
3359 }
3360 }
3361
3362 {
3363 my $anims = $facedata->{animinfo};
3364
3365 while (my ($anim, $info) = each %$anims) {
3366 cf::anim::set $anim, $info->{frames}, $info->{facings};
3367 cf::cede_to_tick;
3368 }
3369
3370 cf::anim::invalidate_all; # d'oh
3371 }
3372
3373 {
3374 my $res = $facedata->{resource};
3375
3376 while (my ($name, $info) = each %$res) {
3377 if (defined $info->{type}) {
3378 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3379
3380 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3381 cf::face::set_type $idx, $info->{type};
3382 } else {
3383 $RESOURCE{$name} = $info;
3384 }
3385
3386 cf::cede_to_tick;
3387 }
3388 }
3389
3390 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3391
3392 1
3393}
3394
3395cf::global->attach (on_resource_update => sub {
3396 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3397 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3398
3399 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3400 my $sound = $soundconf->{compat}[$_]
3401 or next;
3402
3403 my $face = cf::face::find "sound/$sound->[1]";
3404 cf::sound::set $sound->[0] => $face;
3405 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3406 }
3407
3408 while (my ($k, $v) = each %{$soundconf->{event}}) {
3409 my $face = cf::face::find "sound/$v";
3410 cf::sound::set $k => $face;
3411 }
3412 }
3413});
3414
3415register_exticmd fx_want => sub {
3416 my ($ns, $want) = @_;
3417
3418 while (my ($k, $v) = each %$want) {
3419 $ns->fx_want ($k, $v);
3420 }
3421};
3422
3423sub load_resource_file($) {
3424 my $guard = lock_acquire "load_resource_file";
3425
3426 my $status = load_resource_file_ $_[0];
3427 get_slot 0.1, 100;
3428 cf::arch::commit_load;
3429
3430 $status
3431}
3432
3433sub reload_regions {
3434 # HACK to clear player env face cache, we need some signal framework
3435 # for this (global event?)
3436 %ext::player_env::MUSIC_FACE_CACHE = ();
3437
3438 load_resource_file "$MAPDIR/regions"
3439 or die "unable to load regions file\n";
3440
3441 for (cf::region::list) {
3442 $_->{match} = qr/$_->{match}/
3443 if exists $_->{match};
3444 }
3445}
3446
3447sub reload_facedata {
3448 load_facedata "$DATADIR/facedata"
3449 or die "unable to load facedata\n";
3450}
3451
3452sub reload_archetypes {
3453 load_resource_file "$DATADIR/archetypes"
3454 or die "unable to load archetypes\n";
3455}
3456
3457sub reload_treasures {
3458 load_resource_file "$DATADIR/treasures"
3459 or die "unable to load treasurelists\n";
3460}
3461
3462sub reload_resources {
3463 warn "reloading resource files...\n";
3464
3465 reload_facedata;
3466 reload_archetypes;
3467 reload_regions;
3468 reload_treasures;
3469
3470 warn "finished reloading resource files\n";
3471}
3472
3473sub reload_config {
3474 warn "reloading config file...\n";
3475
2258 open my $fh, "<:utf8", cf::confdir . "/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 3477 or return;
2260 3478
2261 local $/; 3479 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2263 3481
2264 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2265 3483
2266 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3484 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2267 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3485 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2271 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2272 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2273 }; 3491 };
2274 warn $@ if $@; 3492 warn $@ if $@;
2275 } 3493 }
3494
3495 warn "finished reloading resource files\n";
3496}
3497
3498sub pidfile() {
3499 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3500 or die "$PIDFILE: $!";
3501 flock $fh, &Fcntl::LOCK_EX
3502 or die "$PIDFILE: flock: $!";
3503 $fh
3504}
3505
3506# make sure only one server instance is running at any one time
3507sub atomic {
3508 my $fh = pidfile;
3509
3510 my $pid = <$fh>;
3511 kill 9, $pid if $pid > 0;
3512
3513 seek $fh, 0, 0;
3514 print $fh $$;
3515}
3516
3517sub main_loop {
3518 warn "EV::loop starting\n";
3519 if (1) {
3520 EV::loop;
3521 }
3522 warn "EV::loop returned\n";
3523 goto &main_loop unless $REALLY_UNLOOP;
2276} 3524}
2277 3525
2278sub main { 3526sub main {
3527 cf::init_globals; # initialise logging
3528
3529 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3530 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3531 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3532 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3533
3534 cf::init_experience;
3535 cf::init_anim;
3536 cf::init_attackmess;
3537 cf::init_dynamic;
3538
3539 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3540
2279 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3543 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282 async { Event::one_event }; 3544 (async {
3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
3547 })->prio (Coro::PRIO_MAX);
2283 }; 3548 };
2284 3549
2285 cfg_load; 3550 evthread_start IO::AIO::poll_fileno;
2286 db_load; 3551
3552 cf::sync_job {
3553 cf::load_settings;
3554 cf::load_materials;
3555
3556 reload_resources;
3557 reload_config;
3558 db_init;
3559
3560 cf::init_uuid;
3561 cf::init_signals;
3562 cf::init_skills;
3563
3564 cf::init_beforeplay;
3565
3566 atomic;
3567
2287 load_extensions; 3568 load_extensions;
2288 Event::loop; 3569
3570 utime time, time, $RUNTIMEFILE;
3571
3572 # no (long-running) fork's whatsoever before this point(!)
3573 use POSIX ();
3574 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3575
3576 (pop @POST_INIT)->(0) while @POST_INIT;
3577 };
3578
3579 main_loop;
2289} 3580}
2290 3581
2291############################################################################# 3582#############################################################################
2292# initialisation and cleanup 3583# initialisation and cleanup
2293 3584
2294# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2295BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2296 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 3589 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2298 data => WF_AUTOCANCEL,
2299 signal => $signal,
2300 cb => sub {
2301 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2302 },
2303 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = EV::time;
3597
3598 # first touch the runtime file to show we are still running:
3599 # the fsync below can take a very very long time.
3600
3601 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3602
3603 my $guard = cf::lock_acquire "write_runtime";
3604
3605 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3606 or return;
3607
3608 my $value = $cf::RUNTIME + 90 + 10;
3609 # 10 is the runtime save interval, for a monotonic clock
3610 # 60 allows for the watchdog to kill the server.
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 # touch it again to show we are up-to-date
3620 aio_utime $fh, undef, undef;
3621
3622 close $fh
3623 or return;
3624
3625 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3626 and return;
3627
3628 warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3629
2304 } 3630 1
3631}
3632
3633our $uuid_lock;
3634our $uuid_skip;
3635
3636sub write_uuid_sync($) {
3637 $uuid_skip ||= $_[0];
3638
3639 return if $uuid_lock;
3640 local $uuid_lock = 1;
3641
3642 my $uuid = "$LOCALDIR/uuid";
3643
3644 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3645 or return;
3646
3647 my $value = uuid_seq uuid_cur;
3648
3649 unless ($value) {
3650 warn "cowardly refusing to write zero uuid value!\n";
3651 return;
3652 }
3653
3654 my $value = uuid_str $value + $uuid_skip;
3655 $uuid_skip = 0;
3656
3657 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3658 and return;
3659
3660 # always fsync - this file is important
3661 aio_fsync $fh
3662 and return;
3663
3664 close $fh
3665 or return;
3666
3667 aio_rename "$uuid~", $uuid
3668 and return;
3669
3670 warn "uuid file written ($value).\n";
3671
3672 1
3673
3674}
3675
3676sub write_uuid($$) {
3677 my ($skip, $sync) = @_;
3678
3679 $sync ? write_uuid_sync $skip
3680 : async { write_uuid_sync $skip };
2305} 3681}
2306 3682
2307sub emergency_save() { 3683sub emergency_save() {
2308 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2309 3685
2310 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2311 3687
2312 cf::sync_job { 3688 cf::sync_job {
3689 # this is a trade-off: we want to be very quick here, so
3690 # save all maps without fsync, and later call a global sync
3691 # (which in turn might be very very slow)
3692 local $USE_FSYNC = 0;
3693
2313 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2317 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320 $pl->save; 3702 $pl->save;
2321 } 3703 }
2322 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2323 3705
2324 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2325 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2326 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 3709 $map->valid or next;
2328 $map->save; 3710 $map->save;
2329 } 3711 }
2330 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
3713
3714 warn "emergency_perl_save: begin database checkpoint\n";
3715 BDB::db_env_txn_checkpoint $DB_ENV;
3716 warn "emergency_perl_save: end database checkpoint\n";
3717
3718 warn "emergency_perl_save: begin write uuid\n";
3719 write_uuid_sync 1;
3720 warn "emergency_perl_save: end write uuid\n";
2331 }; 3721 };
2332 3722
3723 warn "emergency_perl_save: starting sync()\n";
3724 IO::AIO::aio_sync sub {
3725 warn "emergency_perl_save: finished sync()\n";
3726 };
3727
2333 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2334} 3729}
2335 3730
3731sub post_cleanup {
3732 my ($make_core) = @_;
3733
3734 warn Carp::longmess "post_cleanup backtrace"
3735 if $make_core;
3736
3737 my $fh = pidfile;
3738 unlink $PIDFILE if <$fh> == $$;
3739}
3740
3741# a safer delete_package, copied from Symbol
3742sub clear_package($) {
3743 my $pkg = shift;
3744
3745 # expand to full symbol table name if needed
3746 unless ($pkg =~ /^main::.*::$/) {
3747 $pkg = "main$pkg" if $pkg =~ /^::/;
3748 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3749 $pkg .= '::' unless $pkg =~ /::$/;
3750 }
3751
3752 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3753 my $stem_symtab = *{$stem}{HASH};
3754
3755 defined $stem_symtab and exists $stem_symtab->{$leaf}
3756 or return;
3757
3758 # clear all symbols
3759 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3760 for my $name (keys %$leaf_symtab) {
3761 _gv_clear *{"$pkg$name"};
3762# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3763 }
3764 warn "cleared package $pkg\n";#d#
3765}
3766
2336sub reload() { 3767sub do_reload_perl() {
2337 # can/must only be called in main 3768 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 3770 warn "can only reload from main coroutine";
2340 return; 3771 return;
2341 } 3772 }
2342 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = EV::time;
3777
3778 while ($RELOAD) {
2343 warn "reloading..."; 3779 warn "reloading...";
2344 3780
2345 my $guard = freeze_mainloop; 3781 warn "entering sync_job";
3782
3783 cf::sync_job {
3784 cf::write_runtime_sync; # external watchdog should not bark
2346 cf::emergency_save; 3785 cf::emergency_save;
3786 cf::write_runtime_sync; # external watchdog should not bark
2347 3787
2348 eval { 3788 warn "syncing database to disk";
3789 BDB::db_env_txn_checkpoint $DB_ENV;
3790
2349 # if anything goes wrong in here, we should simply crash as we already saved 3791 # if anything goes wrong in here, we should simply crash as we already saved
2350 3792
2351 # cancel all watchers 3793 warn "flushing outstanding aio requests";
2352 for (Event::all_watchers) { 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2354 }
2355
2356 # cancel all extension coros
2357 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = ();
2359
2360 # unload all extensions
2361 for (@exts) {
2362 warn "unloading <$_>";
2363 unload_extension $_;
2364 }
2365
2366 # unload all modules loaded from $LIBDIR
2367 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369
2370 warn "removing <$k>";
2371 delete $INC{$k};
2372
2373 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g;
2375
2376 if (my $cb = $k->can ("unload_module")) {
2377 $cb->();
2378 } 3796 }
2379 3797
2380 Symbol::delete_package $k; 3798 warn "cancelling all extension coros";
3799 $_->cancel for values %EXT_CORO;
3800 %EXT_CORO = ();
3801
3802 warn "removing commands";
3803 %COMMAND = ();
3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
3811 warn "... unloading $pkg";
3812
3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2381 } 3822 }
2382 3823
2383 # sync database to disk 3824 warn "unloading all perl modules loaded from $LIBDIR";
2384 cf::db_sync; 3825 while (my ($k, $v) = each %INC) {
2385 IO::AIO::flush; 3826 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2386 3827
3828 warn "... unloading $k";
3829 delete $INC{$k};
3830
3831 $k =~ s/\.pm$//;
3832 $k =~ s/\//::/g;
3833
3834 if (my $cb = $k->can ("unload_module")) {
3835 $cb->();
3836 }
3837
3838 clear_package $k;
3839 }
3840
2387 # get rid of safe::, as good as possible 3841 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3843 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 3844
2391 # remove register_script_function callbacks 3845 warn "unloading cf.pm \"a bit\"";
2392 # TODO
2393
2394 # unload cf.pm "a bit"
2395 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2396 3848
2397 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2398 # and global variables created in xs 3850 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2400 3852
2401 # reload cf.pm 3853 warn "unload completed, starting to reload now";
3854
2402 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2403 require cf; 3856 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2405 3858
2406 # load config and database again 3859 warn "loading config and database again";
2407 cf::cfg_load; 3860 cf::reload_config;
2408 cf::db_load;
2409 3861
2410 # load extensions
2411 warn "load extensions"; 3862 warn "loading extensions";
2412 cf::load_extensions; 3863 cf::load_extensions;
2413 3864
2414 # reattach attachments to objects 3865 if ($REATTACH_ON_RELOAD) {
2415 warn "reattach"; 3866 warn "reattaching attachments to objects/players";
2416 _global_reattach; 3867 _global_reattach; # objects, sockets
3868 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
3870 warn "reattaching attachments to players";
3871 reattach $_ for values %PLAYER;
3872 }
3873
3874 warn "running post_init jobs";
3875 (pop @POST_INIT)->(1) while @POST_INIT;
3876
3877 warn "leaving sync_job";
3878
3879 1
3880 } or do {
3881 warn $@;
3882 cf::cleanup "error while reloading, exiting.";
3883 };
3884
3885 warn "reloaded";
3886 --$RELOAD;
3887 }
3888
3889 $t1 = EV::time - $t1;
3890 warn "reload completed in ${t1}s\n";
3891};
3892
3893our $RELOAD_WATCHER; # used only during reload
3894
3895sub reload_perl() {
3896 # doing reload synchronously and two reloads happen back-to-back,
3897 # coro crashes during coro_state_free->destroy here.
3898
3899 $RELOAD_WATCHER ||= cf::async {
3900 Coro::AIO::aio_wait cache_extensions;
3901
3902 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3903 do_reload_perl;
3904 undef $RELOAD_WATCHER;
3905 };
2418 }; 3906 };
2419
2420 if ($@) {
2421 warn $@;
2422 warn "error while reloading, exiting.";
2423 exit 1;
2424 }
2425
2426 warn "reloaded successfully";
2427};
2428
2429#############################################################################
2430
2431unless ($LINK_MAP) {
2432 $LINK_MAP = cf::map::new;
2433
2434 $LINK_MAP->width (41);
2435 $LINK_MAP->height (41);
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470} 3907}
2471
2472register "<global>", __PACKAGE__;
2473 3908
2474register_command "reload" => sub { 3909register_command "reload" => sub {
2475 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2476 3911
2477 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload.");
2479 reload;
2480 $who->message ("end of reload."); 3913 $who->message ("reloading server.");
3914 async {
3915 $Coro::current->{desc} = "perl_reload";
3916 reload_perl;
3917 };
2481 } 3918 }
2482}; 3919};
2483 3920
2484unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2485 3922
2486$TICK_WATCHER = Event->timer ( 3923my $bug_warning = 0;
2487 reentrant => 0, 3924
2488 prio => 0, 3925our @WAIT_FOR_TICK;
2489 at => $NEXT_TICK || $TICK, 3926our @WAIT_FOR_TICK_BEGIN;
2490 data => WF_AUTOCANCEL, 3927
2491 cb => sub { 3928sub wait_for_tick {
3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3930
3931 my $signal = new Coro::Signal;
3932 push @WAIT_FOR_TICK, $signal;
3933 $signal->wait;
3934}
3935
3936sub wait_for_tick_begin {
3937 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3938
3939 my $signal = new Coro::Signal;
3940 push @WAIT_FOR_TICK_BEGIN, $signal;
3941 $signal->wait;
3942}
3943
3944sub tick {
3945 if ($Coro::current != $Coro::main) {
3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3947 unless ++$bug_warning > 10;
3948 return;
3949 }
3950
2492 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2493 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK;
2495 3952
2496 $WAIT_FOR_TICK->broadcast; 3953 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2498 3954
2499 # if we are delayed by four ticks or more, skip them all 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2501 3957 Coro::async_pool {
2502 $TICK_WATCHER->at ($NEXT_TICK); 3958 $Coro::current->{desc} = "runtime saver";
2503 $TICK_WATCHER->start;
2504 },
2505);
2506
2507IO::AIO::max_poll_time $TICK * 0.2;
2508
2509Event->io (
2510 fd => IO::AIO::poll_fileno,
2511 poll => 'r',
2512 prio => 5,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL,
2519 after => 0,
2520 interval => 10,
2521 cb => sub {
2522 (Coro::unblock_sub {
2523 write_runtime 3959 write_runtime_sync
2524 or warn "ERROR: unable to write runtime file: $!"; 3960 or warn "ERROR: unable to write runtime file: $!";
2525 })->(); 3961 };
2526 }, 3962 }
2527); 3963
3964 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3965 $sig->send;
3966 }
3967 while (my $sig = shift @WAIT_FOR_TICK) {
3968 $sig->send;
3969 }
3970
3971 $LOAD = ($NOW - $TICK_START) / $TICK;
3972 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3973
3974 if (0) {
3975 if ($NEXT_TICK) {
3976 my $jitter = $TICK_START - $NEXT_TICK;
3977 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3978 warn "jitter $JITTER\n";#d#
3979 }
3980 }
3981}
3982
3983{
3984 # configure BDB
3985
3986 BDB::min_parallel 16;
3987 BDB::max_poll_reqs $TICK * 0.1;
3988 $AnyEvent::BDB::WATCHER->priority (1);
3989
3990 unless ($DB_ENV) {
3991 $DB_ENV = BDB::db_env_create;
3992 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3993 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3994 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3995 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3996 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3997
3998 cf::sync_job {
3999 eval {
4000 BDB::db_env_open
4001 $DB_ENV,
4002 $BDBDIR,
4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4005 0666;
4006
4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4008 };
4009
4010 cf::cleanup "db_env_open(db): $@" if $@;
4011 };
4012 }
4013
4014 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4015 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4016 };
4017 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4018 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4019 };
4020 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4021 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4022 };
4023}
4024
4025{
4026 # configure IO::AIO
4027
4028 IO::AIO::min_parallel 8;
4029 IO::AIO::max_poll_time $TICK * 0.1;
4030 undef $AnyEvent::AIO::WATCHER;
4031}
4032
4033my $_log_backtrace;
4034
4035sub _log_backtrace {
4036 my ($msg, @addr) = @_;
4037
4038 $msg =~ s/\n//;
4039
4040 # limit the # of concurrent backtraces
4041 if ($_log_backtrace < 2) {
4042 ++$_log_backtrace;
4043 my $perl_bt = Carp::longmess $msg;
4044 async {
4045 $Coro::current->{desc} = "abt $msg";
4046
4047 my @bt = fork_call {
4048 @addr = map { sprintf "%x", $_ } @addr;
4049 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4050 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4051 or die "addr2line: $!";
4052
4053 my @funcs;
4054 my @res = <$fh>;
4055 chomp for @res;
4056 while (@res) {
4057 my ($func, $line) = splice @res, 0, 2, ();
4058 push @funcs, "[$func] $line";
4059 }
4060
4061 @funcs
4062 };
4063
4064 LOG llevInfo, "[ABT] $perl_bt\n";
4065 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4066 LOG llevInfo, "[ABT] $_\n" for @bt;
4067 --$_log_backtrace;
4068 };
4069 } else {
4070 LOG llevInfo, "[ABT] $msg\n";
4071 LOG llevInfo, "[ABT] [suppressed]\n";
4072 }
4073}
4074
4075# load additional modules
4076require "cf/$_.pm" for @EXTRA_MODULES;
4077cf::_connect_to_perl_2;
2528 4078
2529END { cf::emergency_save } 4079END { cf::emergency_save }
2530 4080
25311 40811
2532 4082

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