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Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC vs.
Revision 1.512 by root, Sun Apr 11 04:52:07 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;
9use Event; 32use EV;
10use Opcode; 33use Opcode;
11use Safe; 34use Safe;
12use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
13 38
39use Guard ();
14use Coro 3.52 (); 40use Coro ();
15use Coro::State; 41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
16use Coro::Event; 44use Coro::AnyEvent;
17use Coro::Timer; 45use Coro::Timer;
18use Coro::Signal; 46use Coro::Signal;
19use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
20use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
21 54
55use JSON::XS 2.01 ();
22use BDB (); 56use BDB ();
23use Data::Dumper; 57use Data::Dumper;
24use Digest::MD5;
25use Fcntl; 58use Fcntl;
26use YAML::Syck (); 59use YAML::XS ();
27use IO::AIO 2.32 (); 60use IO::AIO ();
28use Time::HiRes; 61use Time::HiRes;
29use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
64
65AnyEvent::detect;
30 66
31# configure various modules to our taste 67# configure various modules to our taste
32# 68#
69$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 77
36$Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
37 79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39$YAML::Syck::ImplicitUnicode = 1;
40
41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42 80
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44 82
45our %COMMAND = (); 83our %COMMAND = ();
46our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
47 85
48our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
52 91
53our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
54our @EVENT; 93our @EVENT;
55our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
56 96
57our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
58our $TICK_WATCHER; 98our $DATADIR = datadir;
59our $AIO_POLL_WATCHER; 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(!)
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 115our $NEXT_TICK;
62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
64 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
65our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
67 124
68our %CFG; 125our %CFG;
69 126
70our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 128our $RUNTIME;
129our $NOW;
72 130
73our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 134
82# used to convert map paths into valid unix filenames by replacing / by ∕ 135# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 137
138our $LOAD; # a number between 0 (idle) and 1 (too many objects)
139our $LOADAVG; # same thing, but with alpha-smoothing
140our $JITTER; # average jitter
141our $TICK_START; # for load detecting purposes
142
143our @POST_INIT;
144
145our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
146our $REALLY_UNLOOP; # never set to true, please :)
147
85binmode STDOUT; 148binmode STDOUT;
86binmode STDERR; 149binmode STDERR;
87 150
88# read virtual server time, if available 151# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
90 open my $fh, "<", cf::localdir . "/runtime" 153 open my $fh, "<", $RUNTIMEFILE
91 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
92 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
93} 156}
94 157
95mkdir cf::localdir; 158eval "sub TICK() { $TICK } 1" or die;
96mkdir cf::localdir . "/" . cf::playerdir; 159
97mkdir cf::localdir . "/" . cf::tmpdir; 160mkdir $_
98mkdir cf::localdir . "/" . cf::uniquedir; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 162
102our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
103 164
104sub cf::map::normalise; 165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
105 177
106############################################################################# 178#############################################################################
107 179
108=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
109 181
… …
116=item $cf::RUNTIME 188=item $cf::RUNTIME
117 189
118The 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
119every server tick. 191every server tick.
120 192
121=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
122 196
123The perl library directory, where extensions and cf-specific modules can 197Various directories - "/etc", read-only install directory, perl-library
124be 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.
125 201
126=item $cf::NOW 202=item $cf::NOW
127 203
128The time of the last (current) server tick. 204The time of the last (current) server tick.
129 205
130=item $cf::TICK 206=item $cf::TICK
131 207
132The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
133 209
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
134=item %cf::CFG 220=item %cf::CFG
135 221
136Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137from wherever your confdir points to. 223from wherever your confdir points to.
138 224
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 225=item cf::wait_for_tick, cf::wait_for_tick_begin
140 226
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 228returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
145 242
146=back 243=back
147 244
148=cut 245=cut
149 246
150BEGIN { 247$Coro::State::WARNHOOK = sub {
151 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 248 my $msg = join "", @_;
153 utf8::encode $msg;
154 249
155 $msg .= "\n" 250 $msg .= "\n"
156 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
157 252
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254
158 LOG llevError, $msg; 255 LOG llevError, $msg;
159 }; 256};
160} 257
258$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};
161 271
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@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';
167@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)
168 279
169# 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
170# within the Safe compartment. 281# within the Safe compartment.
171for my $pkg (qw( 282for my $pkg (qw(
172 cf::global cf::attachable 283 cf::global cf::attachable
173 cf::object cf::object::player 284 cf::object cf::object::player
174 cf::client cf::player 285 cf::client cf::player
175 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
176 cf::map cf::party cf::region 288 cf::party cf::region
177)) { 289)) {
178 no strict 'refs';
179 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180} 291}
181 292
182$Event::DIED = sub { 293$EV::DIED = sub {
183 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
184}; 295};
296
297#############################################################################
185 298
186=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
187 300
188=over 4 301=over 4
189 302
… …
208 $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;
209 $d 322 $d
210 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
211} 324}
212 325
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
216 327
217Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
218 329
219=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
220 331
221Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
222 333
334=cut
335
336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
337
338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
353}
354
223=item cf::lock_wait $string 355=item cf::lock_wait $string
224 356
225Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
226 358
227=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
228 360
229Wait 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
230a 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,
231for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
232returned. 364returned.
233 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
234Lock 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
235uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
236 371
237=cut 372=item $locked = cf::lock_active $string
238 373
239our %LOCK; 374Return true if the lock is currently active, i.e. somebody has locked it.
375
376=cut
377
378our $LOCKS = new Coro::SemaphoreSet;
240 379
241sub lock_wait($) { 380sub lock_wait($) {
242 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
243
244 # wait for lock, if any
245 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule;
248 }
249} 382}
250 383
251sub lock_acquire($) { 384sub lock_acquire($) {
252 my ($key) = @_; 385 $LOCKS->guard ($_[0])
386}
253 387
254 # wait, to be sure we are not locked 388sub lock_active($) {
255 lock_wait $key; 389 $LOCKS->count ($_[0]) < 1
256
257 $LOCK{$key} = [];
258
259 Coro::guard {
260 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} };
262 }
263} 390}
264 391
265sub freeze_mainloop { 392sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
267 394
268 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
269 $TICK_WATCHER->start; 396}
397
398=item cf::periodic $interval, $cb
399
400Like EV::periodic, but randomly selects a starting point so that the actions
401get spread over timer.
402
403=cut
404
405sub periodic($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
270 }; 462 }
271 $TICK_WATCHER->stop; 463};
272 $guard 464
465sub get_slot($;$$) {
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 $sig->wait;
273} 478}
274 479
275=item cf::async { BLOCK } 480=item cf::async { BLOCK }
276 481
277Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
282 487
283BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
284 489
285=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
286 491
287The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
290 496
291If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
294fast or be very important. 500fast or be very important.
… …
297 503
298sub sync_job(&) { 504sub sync_job(&) {
299 my ($job) = @_; 505 my ($job) = @_;
300 506
301 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
508 my $time = AE::time;
509
302 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
304 512
305 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 514
307 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
308 516
309 my $busy = 1; 517 my $busy = 1;
310 my @res; 518 my @res;
311 519
312 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 522 @res = eval { $job->() };
314 warn $@ if $@; 523 warn $@ if $@;
315 undef $busy; 524 undef $busy;
316 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
317 526
318 while ($busy) { 527 while ($busy) {
319 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
320 } 532 }
533 }
534
535 my $time = AE::time - $time;
536
537 $TICK_START += $time; # do not account sync jobs to server load
321 538
322 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
323 } else { 540 } else {
324 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
325 542
… …
345 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
346 563
347 $coro 564 $coro
348} 565}
349 566
350sub write_runtime { 567=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 568
353 my $runtime = cf::localdir . "/runtime"; 569Executes the given code block with the given arguments in a seperate
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.
354 573
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 574=cut
356 or return;
357 575
358 my $value = $cf::RUNTIME + 90 + 10; 576sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 577 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 578
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 579 # we seemingly have to make a local copy of the whole thing,
363 and return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
364 582
365 # always fsync - this file is important 583 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 584 reset_signals;
367 and return; 585 &$cb
586 }, @args;
368 587
369 close $fh 588 wantarray ? @res : $res[-1]
370 or return; 589}
371 590
372 aio_rename "$runtime~", $runtime 591=item $coin = coin_from_name $name
373 and return;
374 592
593=cut
594
595our %coin_alias = (
596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
611
612sub coin_from_name($) {
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($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
375 1 667 }
668}
669
670sub db_put($$$) {
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 });
376} 754}
377 755
378=back 756=back
379 757
380=cut 758=cut
381 759
382############################################################################# 760#############################################################################
383 761
384=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
385 763
386Many 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
387attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
388to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
389 767
390In 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>
391C<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
392crossfire+). 770Deliantra).
393 771
394=over 4 772=over 4
395 773
396=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
397 775
… …
441=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
442 820
443Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
444given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
445 823
446Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
447that 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.
448 826
449These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
450 828
451=over 4 829=over 4
… …
560 $registry = $CB_TYPE[$object_type] ||= []; 938 $registry = $CB_TYPE[$object_type] ||= [];
561 939
562 } elsif ($type eq "subtype") { 940 } elsif ($type eq "subtype") {
563 defined $object_type or Carp::croak "subtype specified without type"; 941 defined $object_type or Carp::croak "subtype specified without type";
564 my $object_subtype = shift @arg; 942 my $object_subtype = shift @arg;
565 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 943 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566 944
567 } elsif ($type eq "package") { 945 } elsif ($type eq "package") {
568 my $pkg = shift @arg; 946 my $pkg = shift @arg;
569 947
570 while (my ($name, $id) = each %cb_id) { 948 while (my ($name, $id) = each %cb_id) {
… …
599 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
600 } 978 }
601 979
602 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
603 } else { 981 } else {
604 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
605 } 983 }
606 984
607 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
608} 986}
609 987
… …
611 if (ref $_[0]) { 989 if (ref $_[0]) {
612 _object_attach @_; 990 _object_attach @_;
613 } else { 991 } else {
614 _attach shift->_attach_registry, @_; 992 _attach shift->_attach_registry, @_;
615 } 993 }
994 _recalc_want;
616}; 995};
617 996
618# all those should be optimised 997# all those should be optimised
619sub cf::attachable::detach { 998sub cf::attachable::detach {
620 my ($obj, $name) = @_; 999 my ($obj, $name) = @_;
… …
623 delete $obj->{_attachment}{$name}; 1002 delete $obj->{_attachment}{$name};
624 reattach ($obj); 1003 reattach ($obj);
625 } else { 1004 } else {
626 Carp::croak "cannot, currently, detach class attachments"; 1005 Carp::croak "cannot, currently, detach class attachments";
627 } 1006 }
1007 _recalc_want;
628}; 1008};
629 1009
630sub cf::attachable::attached { 1010sub cf::attachable::attached {
631 my ($obj, $name) = @_; 1011 my ($obj, $name) = @_;
632 1012
… …
647 "; 1027 ";
648 die if $@; 1028 die if $@;
649} 1029}
650 1030
651our $override; 1031our $override;
652our @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?
653 1033
654sub override { 1034sub override {
655 $override = 1; 1035 $override = 1;
656 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
657} 1037}
658 1038
659sub do_invoke { 1039sub do_invoke {
660 my $event = shift; 1040 my $event = shift;
661 my $callbacks = shift; 1041 my $callbacks = shift;
662 1042
663 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
664 1044
665 local $override; 1045 local $override;
666 1046
667 for (@$callbacks) { 1047 for (@$callbacks) {
668 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
677 } 1057 }
678 1058
679 0 1059 0
680} 1060}
681 1061
682=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683 1063
684=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685 1065
686Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
687 1067
688This 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
689removed 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
690results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691 1071
692=back 1072=back
693 1073
694=cut 1074=cut
695 1075
696############################################################################# 1076#############################################################################
697# 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, $ob2
1119}
698 1120
699sub reattach { 1121sub reattach {
700 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
701 my ($obj) = @_; 1123 my ($obj) = @_;
702 1124
1125 # no longer needed after getting rid of delete_package?
703 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1126 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704 1127
705 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
706 1129
707 @$registry = (); 1130 @$registry = ();
708 1131
… …
723cf::attachable->attach ( 1146cf::attachable->attach (
724 prio => -1000000, 1147 prio => -1000000,
725 on_instantiate => sub { 1148 on_instantiate => sub {
726 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
727 1150
728 $data = from_json $data; 1151 $data = decode_json $data;
729 1152
730 for (@$data) { 1153 for (@$data) {
731 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
732 1155
733 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
749sub object_freezer_save { 1172sub object_freezer_save {
750 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
751 1174
752 sync_job { 1175 sync_job {
753 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
754 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
755 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
756 1180
757 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
759 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760 aio_fsync $fh if $cf::USE_FSYNC; 1184 if ($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;
1186 aio_fsync $fh;
1187 }
761 close $fh; 1188 aio_close $fh;
762 1189
763 if (@$objs) { 1190 if (@$objs) {
764 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) {
765 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
766 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1195 if ($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;
1197 aio_fsync $fh;
1198 }
769 close $fh; 1199 aio_close $fh;
770 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
771 } 1201 }
772 } else { 1202 } else {
773 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
774 } 1204 }
775 1205
776 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
777 } else { 1210 } else {
778 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
779 } 1212 }
780 } else { 1213 } else {
781 aio_unlink $filename; 1214 aio_unlink $filename;
782 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
783 } 1216 }
784 } 1217 };
785} 1218}
786 1219
787sub object_freezer_as_string { 1220sub object_freezer_as_string {
788 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
789 1222
… …
801 or return; 1234 or return;
802 1235
803 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
804 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
805 or return; 1238 or return;
1239
806 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
807 } 1242 }
808 1243
1244 utf8::decode (my $decname = $filename);
809 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
810 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
811 return ($data, $av); 1248 ($data, $av)
812} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
813 1256
814############################################################################# 1257#############################################################################
815# command handling &c 1258# command handling &c
816 1259
817=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
830 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
831} 1274}
832 1275
833=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
834 1277
835Register 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.
836 1283
837If 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
838called. 1285called.
839 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
840=cut 1298=cut
841 1299
842sub register_extcmd { 1300sub register_extcmd {
843 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
844 1302
845 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
846} 1304}
847 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
848cf::player->attach ( 1314cf::player->attach (
849 on_command => sub { 1315 on_unknown_command => sub {
850 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
851 1317
852 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
853 or return; 1319 or return;
854 1320
… …
859 cf::override; 1325 cf::override;
860 }, 1326 },
861 on_extcmd => sub { 1327 on_extcmd => sub {
862 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
863 1329
864 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865 1331
866 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
867 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
868 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
869 $pl->ext_reply ($msg->{msgid}, %reply);
870 }
871 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
872 } else { 1347 } else {
873 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874 } 1349 }
875 1350
876 cf::override; 1351 cf::override;
877 }, 1352 },
878); 1353);
879 1354
1355# "readahead" all extensions
880sub load_extension { 1356sub cache_extensions {
881 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
882 1358
883 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
884 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
885 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
886 $pkg =~ s/[^[:word:]]/_/g;
887 $pkg = "ext::$pkg";
888
889 warn "... loading '$path' into '$pkg'\n";
890
891 open my $fh, "<:utf8", $path
892 or die "$path: $!";
893
894 my $source =
895 "package $pkg; use strict; use utf8;\n"
896 . "#line 1 \"$path\"\n{\n"
897 . (do { local $/; <$fh> })
898 . "\n};\n1";
899
900 unless (eval $source) {
901 my $msg = $@ ? "$path: $@\n"
902 : "extension disabled.\n";
903 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904 warn $@;
905 warn "mandatory extension failed to load, exiting.\n";
906 exit 1;
907 } 1362 }
908 die $@;
909 } 1363 };
910 1364
911 push @EXTS, $pkg; 1365 $grp
912} 1366}
913 1367
914sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
915 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
916 next unless -r $ext; 1373 next unless -r $path;
917 eval { 1374
918 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 $active;
1434 }
919 1 1435 }
920 } or warn "$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 }
921 } 1446 };
922} 1447}
923 1448
924############################################################################# 1449#############################################################################
925 1450
1451=back
1452
926=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
927 1454
928Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
929 1456
930=cut 1457=cut
931 1458
932package cf::player; 1459package cf::player;
933 1460
… …
935 1462
936=head3 cf::player 1463=head3 cf::player
937 1464
938=over 4 1465=over 4
939 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
940=item cf::player::find $login 1481=item cf::player::find $login
941 1482
942Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
943 1484
944=cut 1485=cut
945 1486
946sub playerdir($) { 1487sub playerdir($) {
947 cf::localdir 1488 "$PLAYERDIR/"
948 . "/"
949 . cf::playerdir
950 . "/"
951 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1489 . (ref $_[0] ? $_[0]->ob->name : $_[0])
952} 1490}
953 1491
954sub path($) { 1492sub path($) {
955 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1493 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956 1494
957 (playerdir $login) . "/$login.pl" 1495 (playerdir $login) . "/playerdata"
958} 1496}
959 1497
960sub find_active($) { 1498sub find_active($) {
961 $cf::PLAYER{$_[0]} 1499 $cf::PLAYER{$_[0]}
962 and $cf::PLAYER{$_[0]}->active 1500 and $cf::PLAYER{$_[0]}->active
… …
965 1503
966sub exists($) { 1504sub exists($) {
967 my ($login) = @_; 1505 my ($login) = @_;
968 1506
969 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
970 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
971} 1509}
972 1510
973sub find($) { 1511sub find($) {
974 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
975 my $login = $_[0]; 1513 my $login = $_[0];
976 1514
977 my $guard = cf::lock_acquire "user_find:$login"; 1515 my $guard = cf::lock_acquire "user_find:$login";
978 1516
979 $cf::PLAYER{$_[0]} || do { 1517 $cf::PLAYER{$_[0]} || do {
980 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
981 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;
982 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
983 } 1534 }
984 } 1535 }
985} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($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);
986 1550
987sub save($) { 1551sub save($) {
988 my ($pl) = @_; 1552 my ($pl) = @_;
989 1553
990 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
995 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
996 1560
997 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
998 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
999 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
1000 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1001 Coro::cede; 1570 cf::cede_to_tick;
1002} 1571}
1003 1572
1004sub new($) { 1573sub new($) {
1005 my ($login) = @_; 1574 my ($login) = @_;
1006 1575
… …
1012 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1013 1582
1014 $self 1583 $self
1015} 1584}
1016 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
1017=item $pl->quit_character 1596=item $pl->quit_character
1018 1597
1019Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1020be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1021 1600
… …
1025 my ($pl) = @_; 1604 my ($pl) = @_;
1026 1605
1027 my $name = $pl->ob->name; 1606 my $name = $pl->ob->name;
1028 1607
1029 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1030 $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
1031 1610
1032 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1034 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1035 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1036 1617
1037 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1038 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1068while and may block, so not sync_job-capable, ever. 1649while and may block, so not sync_job-capable, ever.
1069 1650
1070=cut 1651=cut
1071 1652
1072sub list_logins { 1653sub list_logins {
1073 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1654 my $dirs = aio_readdir $PLAYERDIR
1074 or return []; 1655 or return [];
1075 1656
1076 my @logins; 1657 my @logins;
1077 1658
1078 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") {
1079 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1081 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1082 1669
1083 utf8::decode $login; 1670 utf8::decode $login;
1084 push @logins, $login; 1671 push @logins, $login;
1085 } 1672 }
1086 1673
… …
1113 } 1700 }
1114 1701
1115 \@paths 1702 \@paths
1116} 1703}
1117 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1118=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1119 1710
1120Sends an ext reply to the player. 1711Sends an ext reply to the player.
1121 1712
1122=cut 1713=cut
1123 1714
1124sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1125 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1126 1717
1127 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1128
1129 $self->send ("ext " . cf::to_json \%msg);
1130} 1719}
1131 1720
1132package 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}
1133 1761
1134=back 1762=back
1135
1136 1763
1137=head3 cf::map 1764=head3 cf::map
1138 1765
1139=over 4 1766=over 4
1140 1767
… …
1152our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1153our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1154 1781
1155sub generate_random_map { 1782sub generate_random_map {
1156 my ($self, $rmp) = @_; 1783 my ($self, $rmp) = @_;
1784
1785 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786
1157 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1158 $self->_create_random_map ( 1788 $self->_create_random_map (
1159 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1161 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1162 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1163 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1164 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1165 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1195 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1196 1826
1197 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1198 local $self->{path}; 1828 local $self->{path};
1199 local $self->{load_path}; 1829 local $self->{load_path};
1200 local $self->{deny_save};
1201 local $self->{deny_reset};
1202 1830
1203 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1204} 1832}
1205 1833
1206sub normalise { 1834sub normalise {
… …
1253 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1254 return $self; 1882 return $self;
1255 } 1883 }
1256 } 1884 }
1257 1885
1258 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1259 () 1887 ()
1260} 1888}
1261 1889
1262sub init { 1890sub init {
1263 my ($self) = @_; 1891 my ($self) = @_;
… …
1278 1906
1279# the original (read-only) location 1907# the original (read-only) location
1280sub load_path { 1908sub load_path {
1281 my ($self) = @_; 1909 my ($self) = @_;
1282 1910
1283 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1911 "$MAPDIR/$self->{path}.map"
1284} 1912}
1285 1913
1286# the temporary/swap location 1914# the temporary/swap location
1287sub save_path { 1915sub save_path {
1288 my ($self) = @_; 1916 my ($self) = @_;
1289 1917
1290 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1919 "$TMPDIR/$path.map"
1292} 1920}
1293 1921
1294# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1295sub uniq_path { 1923sub uniq_path {
1296 my ($self) = @_; 1924 my ($self) = @_;
1297 1925
1298 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1927 "$UNIQUEDIR/$path"
1300} 1928}
1301 1929
1302# and all this just because we cannot iterate over 1930sub decay_objects {
1303# all maps in C++...
1304sub change_all_map_light {
1305 my ($change) = @_; 1931 my ($self) = @_;
1306 1932
1307 $_->change_map_light ($change) 1933 return if $self->{deny_reset};
1308 for grep $_->outdoor, values %cf::MAP; 1934
1935 $self->do_decay_objects;
1309} 1936}
1310 1937
1311sub unlink_save { 1938sub unlink_save {
1312 my ($self) = @_; 1939 my ($self) = @_;
1313 1940
… …
1318 1945
1319sub load_header_from($) { 1946sub load_header_from($) {
1320 my ($self, $path) = @_; 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;
1325
1326 $self->_load_header ($path)
1327 or return; 1951 or return;
1952
1953 $self->_load_header ($f)
1954 or return;
1955
1956 local $MAP_LOADING{$self->{path}} = $self;
1957 $f->resolve_delayed_derefs;
1328 1958
1329 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1330 1960
1331 1 1961 1
1332} 1962}
… …
1371 $self->load_header_orig 2001 $self->load_header_orig
1372 or return; 2002 or return;
1373 $self->prepare_orig; 2003 $self->prepare_orig;
1374 } 2004 }
1375 2005
2006 $self->{deny_reset} = 1
2007 if $self->no_reset;
2008
2009 $self->default_region (cf::region::find_by_path $self->{path})
2010 unless $self->default_region;
2011
1376 1 2012 1
1377} 2013}
1378 2014
1379sub find; 2015sub find;
1380sub find { 2016sub find {
1381 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1382 2018
1383 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1384 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1386 2023
1387 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1388 my $guard = cf::lock_acquire "map_find:$path";
1389 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1390 or return; 2026 or return;
1391 2027
1392 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1393 2029
1394 $map->load_header 2030 $map->load_header
1395 or return; 2031 or return;
1396 2032
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 2034 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1400 $map->reset; 2038 $map->reset;
1401 undef $guard;
1402 return find $path; 2039 return find $path;
1403 } 2040 }
1404 2041
1405 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1406 } 2043 }
1407} 2044}
1408 2045
1409sub pre_load { } 2046sub pre_load { }
1410sub post_load { } 2047#sub post_load { } # XS
1411 2048
1412sub load { 2049sub load {
1413 my ($self) = @_; 2050 my ($self) = @_;
1414 2051
1415 local $self->{deny_reset} = 1; # loading can take a long time 2052 local $self->{deny_reset} = 1; # loading can take a long time
1416 2053
1417 my $path = $self->{path}; 2054 my $path = $self->{path};
2055
2056 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1419 2058
2059 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 2061
1422 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1423 2063
1424 $self->alloc; 2064 $self->alloc;
1425 2065
1426 $self->pre_load; 2066 $self->pre_load;
2067 cf::cede_to_tick;
1427 2068
1428 $self->_load_objects ($self->{load_path}, 1) 2069 my $f = new_from_file cf::object::thawer $self->{load_path};
2070 $f->skip_block;
2071 $self->_load_objects ($f)
1429 or return; 2072 or return;
1430 2073
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1432 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1433 2076
1434 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 2078 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 2081 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1439 } 2085 }
1440 } 2086 }
1441 2087
1442 Coro::cede; 2088 $f->resolve_delayed_derefs;
1443 2089
2090 cf::cede_to_tick;
1444 # now do the right thing for maps 2091 # now do the right thing for maps
1445 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 2094 unless $self->difficulty;
1455 Coro::cede; 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;
1456 $self->activate; 2102 $self->activate;
2103 }
2104
2105 $self->{last_save} = $cf::RUNTIME;
2106 $self->last_access ($cf::RUNTIME);
2107
2108 $self->in_memory (cf::MAP_ACTIVE);
1457 } 2109 }
1458 2110
1459 $self->post_load; 2111 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 2112}
1463 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
1464sub customise_for { 2117sub customise_for {
1465 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1466 2119
1467 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 2121 if $self->per_player;
1469 2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
1470 $self 2126 $self
1471} 2127}
1472 2128
1473# 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
1474sub load_diag { 2130sub load_neighbours {
1475 my ($map) = @_; 2131 my ($map) = @_;
1476 2132
1477 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1478 2134
1479 for (0 .. 3) { 2135 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1481 or next; 2137 or next;
1482 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1483 or next; 2139 or next;
1484 $neigh->load; 2140 $neigh->load;
1485 2141
2142 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2145 }
1489 2146
1490 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1492 or next; 2150 or next;
1493 $neigh->load; 2151 $neigh->load;
1494 } 2152 }
1495} 2153}
1496 2154
… …
1501} 2159}
1502 2160
1503sub do_load_sync { 2161sub do_load_sync {
1504 my ($map) = @_; 2162 my ($map) = @_;
1505 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1506 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1507} 2168}
1508 2169
1509our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2171our $MAP_PREFETCHER = undef;
1511 2172
1512sub find_async { 2173sub find_async {
1513 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1514 2175
1515 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1516 2177
1517 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519 } 2180 }
1520 2181
1521 undef $MAP_PREFETCH{$path}; 2182 $MAP_PREFETCH{$path} |= $load;
2183
1522 $MAP_PREFETCHER ||= cf::async { 2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
1523 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2189 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2190 $map->load if $v;
2191 }
1528 2192
1529 delete $MAP_PREFETCH{$path}; 2193 delete $MAP_PREFETCH{$k};
1530 } 2194 }
1531 } 2195 }
1532 undef $MAP_PREFETCHER; 2196 undef $MAP_PREFETCHER;
1533 }; 2197 };
1534 $MAP_PREFETCHER->prio (6); 2198 $MAP_PREFETCHER->prio (6);
… …
1537} 2201}
1538 2202
1539sub save { 2203sub save {
1540 my ($self) = @_; 2204 my ($self) = @_;
1541 2205
1542 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2207
1544 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1545 2209
1546 return unless $self->dirty; 2210 return unless $self->dirty;
1547 2211
… …
1553 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1554 2218
1555 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1556 2220
1557 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1558 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1559 }; 2224 };
2225
2226 cf::get_slot 0.02;
1560 2227
1561 if ($uniq) { 2228 if ($uniq) {
1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1564 } else { 2231 } else {
… …
1570 my ($self) = @_; 2237 my ($self) = @_;
1571 2238
1572 # save first because save cedes 2239 # save first because save cedes
1573 $self->save; 2240 $self->save;
1574 2241
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2243
1577 return if $self->players; 2244 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1579 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1580 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1581 $self->clear; 2252 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2253}
1584 2254
1585sub reset_at { 2255sub reset_at {
1586 my ($self) = @_; 2256 my ($self) = @_;
1587 2257
1588 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1591 2260
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 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;
1594 2263
… …
1605 my ($self) = @_; 2274 my ($self) = @_;
1606 2275
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2277
1609 return if $self->players; 2278 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2279
1612 warn "resetting map ", $self->path;#d# 2280 warn "resetting map ", $self->path, "\n";
1613 2281
1614 $self->in_memory (cf::MAP_SWAPPED); 2282 $self->in_memory (cf::MAP_SWAPPED);
1615 2283
1616 # need to save uniques path 2284 # need to save uniques path
1617 unless ($self->{deny_save}) { 2285 unless ($self->{deny_save}) {
… …
1621 if $uniq; 2289 if $uniq;
1622 } 2290 }
1623 2291
1624 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1625 2293
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1626 $self->clear; 2296 $self->clear;
1627
1628 $_->clear_links_to ($self) for values %cf::MAP;
1629 2297
1630 $self->unlink_save; 2298 $self->unlink_save;
1631 $self->destroy; 2299 $self->destroy;
1632} 2300}
1633 2301
1634my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1635 2303
1636sub nuke { 2304sub nuke {
1637 my ($self) = @_; 2305 my ($self) = @_;
1638 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
1639 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1640 2311
1641 $self->unlink_save; 2312 $self->unlink_save;
1642 2313
1643 bless $self, "cf::map"; 2314 bless $self, "cf::map";
1644 delete $self->{deny_reset}; 2315 delete $self->{deny_reset};
1645 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1646 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1647 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648 2319
1649 $cf::MAP{$self->path} = $self; 2320 $cf::MAP{$self->path} = $self;
2321 }
1650 2322
1651 $self->reset; # polite request, might not happen 2323 $self->reset; # polite request, might not happen
2324}
2325
2326=item $maps = cf::map::tmp_maps
2327
2328Returns an arrayref with all map paths of currently instantiated and saved
2329maps. May block.
2330
2331=cut
2332
2333sub tmp_maps() {
2334 [
2335 map {
2336 utf8::decode $_;
2337 /\.map$/
2338 ? normalise $_
2339 : ()
2340 } @{ aio_readdir $TMPDIR or [] }
2341 ]
2342}
2343
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 ]
1652} 2360}
1653 2361
1654=item cf::map::unique_maps 2362=item cf::map::unique_maps
1655 2363
1656Returns an arrayref of paths of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1657instantiated unique items. May block. 2365instantiated unique items. May block.
1658 2366
1659=cut 2367=cut
1660 2368
1661sub unique_maps() { 2369sub unique_maps() {
1662 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2370 [
1663 or return; 2371 map {
1664
1665 my @paths;
1666
1667 for (@$files) {
1668 utf8::decode $_; 2372 utf8::decode $_;
1669 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1670 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671 2375 ? ()
1672 push @paths, cf::map::normalise $_; 2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
1673 } 2378 ]
1674
1675 \@paths
1676} 2379}
1677 2380
1678package 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}
1679 2412
1680=back 2413=back
1681 2414
1682=head3 cf::object 2415=head3 cf::object
1683 2416
… …
1687 2420
1688=over 4 2421=over 4
1689 2422
1690=item $ob->inv_recursive 2423=item $ob->inv_recursive
1691 2424
1692Returns 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.
1693 2427
1694=cut 2428=cut
1695 2429
1696sub inv_recursive_; 2430sub inv_recursive_;
1697sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1700 2434
1701sub inv_recursive { 2435sub inv_recursive {
1702 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1703} 2437}
1704 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
1705package cf; 2467package cf;
1706 2468
1707=back 2469=back
1708 2470
1709=head3 cf::object::player 2471=head3 cf::object::player
… …
1715Sends 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>
1716can 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
1717dialogue with the given NPC character. 2479dialogue with the given NPC character.
1718 2480
1719=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};
1720 2496
1721# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1722# with dialog boxes. 2498# with dialog boxes.
1723#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
1724sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1726 2502
1727 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728 2504
1729 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1730 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1731 } 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 {
1732 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1733 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1734 } 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 (@_);
1735} 2530}
1736 2531
1737=item $player_object->may ("access") 2532=item $player_object->may ("access")
1738 2533
1739Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1752 2547
1753=item $player_object->enter_link 2548=item $player_object->enter_link
1754 2549
1755Freezes 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}>).
1756 2551
1757The player should be reasonably safe there for short amounts of time. You 2552The player should be reasonably safe there for short amounts of time (e.g.
1758I<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.
1759 2556
1760Will never block. 2557Will never block.
1761 2558
1762=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1763 2560
… …
1786 $self->deactivate_recursive; 2583 $self->deactivate_recursive;
1787 2584
1788 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2585 return if UNIVERSAL::isa $self->map, "ext::map_link";
1789 2586
1790 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2587 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791 if $self->map; 2588 if $self->map && $self->map->{path} ne "{link}";
1792 2589
1793 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2590 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1794} 2591}
1795 2592
1796sub cf::object::player::leave_link { 2593sub cf::object::player::leave_link {
1797 my ($self, $map, $x, $y) = @_; 2594 my ($self, $map, $x, $y) = @_;
2595
2596 return unless $self->contr->active;
1798 2597
1799 my $link_pos = delete $self->{_link_pos}; 2598 my $link_pos = delete $self->{_link_pos};
1800 2599
1801 unless ($map) { 2600 unless ($map) {
1802 # restore original map position 2601 # restore original map position
… …
1813 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1814 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1815 2614
1816 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1817 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1818 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1819 2618
1820 $map->load; 2619 $map->load;
1821 $map->load_diag; 2620 $map->load_neighbours;
1822 2621
1823 return unless $self->contr->active; 2622 return unless $self->contr->active;
1824 $self->activate_recursive;
1825 2623
1826 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 2625 $self->enter_map ($map, $x, $y);
1828}
1829 2626
1830cf::player->attach ( 2627 # only activate afterwards, to support waiting in hooks
1831 on_logout => sub { 2628 $self->activate_recursive;
1832 my ($pl) = @_; 2629}
1833 2630
1834 # abort map switching before logout 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1835 if ($pl->ob->{_link_pos}) {
1836 cf::sync_job {
1837 $pl->ob->leave_link
1838 };
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2632
1844 # try to abort aborted map switching on player login :) 2633Moves the player to the given map-path and coordinates by first freezing
1845 # should happen only on crashes 2634her, loading and preparing them map, calling the provided $check callback
1846 if ($pl->ob->{_link_pos}) { 2635that has to return the map if sucecssful, and then unfreezes the player on
1847 $pl->ob->enter_link; 2636the new (success) or old (failed) map position. In either case, $done will
1848 (async { 2637be called at the end of this process.
1849 $pl->ob->reply (undef,
1850 "There was an internal problem at your last logout, "
1851 . "the server will try to bring you to your intended destination in a second.",
1852 cf::NDI_RED);
1853 # we need this sleep as the login has a concurrent enter_exit running
1854 # and this sleep increases chances of the player not ending up in scorn
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861 2638
1862=item $player_object->goto ($path, $x, $y) 2639Note that $check will be called with a potentially non-loaded map, so if
2640it needs a loaded map it has to call C<< ->load >>.
1863 2641
1864=cut 2642=cut
2643
2644our $GOTOGEN;
1865 2645
1866sub cf::object::player::goto { 2646sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2647 my ($self, $path, $x, $y, $check, $done) = @_;
2648
2649 # do generation counting so two concurrent goto's will be executed in-order
2650 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2651
1869 $self->enter_link; 2652 $self->enter_link;
1870 2653
1871 (async { 2654 (async {
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
1872 my $map = eval { 2676 my $map = eval {
1873 my $map = cf::map::find $path; 2677 my $map = defined $path ? cf::map::find $path : undef;
2678
2679 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2680 $map = $map->customise_for ($self);
2681 $map = $check->($map) if $check && $map;
2682 } else {
2683 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2684 }
2685
1875 $map 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 $@;
1876 } or 2692 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2693
2694 if ($gen == $self->{_goto_generation}) {
2695 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2697 }
2698
2699 $done->() if $done;
1880 })->prio (1); 2700 })->prio (1);
1881} 2701}
1882 2702
1883=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1884 2704
… …
1904} 2724}
1905 2725
1906sub prepare_random_map { 2726sub prepare_random_map {
1907 my ($exit) = @_; 2727 my ($exit) = @_;
1908 2728
1909 my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911 # all this does is basically replace the /! path by 2729 # all this does is basically replace the /! path by
1912 # a new random map path (?random/...) with a seed 2730 # a new random map path (?random/...) with a seed
1913 # that depends on the exit object 2731 # that depends on the exit object
1914 2732
1915 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
… …
1917 if ($exit->map) { 2735 if ($exit->map) {
1918 $rmp->{region} = $exit->region->name; 2736 $rmp->{region} = $exit->region->name;
1919 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
1920 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
1921 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
1922 } 2742 }
1923 2743
1924 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
1925 2745
1926 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2748 my $meta = "$RANDOMDIR/$md5.meta";
1929 2749
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2752 undef $fh;
1933 aio_rename "$meta~", $meta; 2753 aio_rename "$meta~", $meta;
1934 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
1935 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
1936 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
1937 } 2761 }
1938} 2762}
1939 2763
1940sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
1941 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
1942 2766
1943 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
1944 2768
1945 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job
1947 cf::sync_job { prepare_random_map $exit };
1948 }
1949
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp;
1953
1954 $self->enter_link; 2769 $self->enter_link;
1955 2770
1956 (async { 2771 (async {
1957 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
1958 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
2781 prepare_random_map $exit
2782 if $exit->slaying eq "/!";
2783 }
2784
2785 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2786 my $x = $exit->stats->hp;
2787 my $y = $exit->stats->sp;
2788
1959 $self->goto ($slaying, $hp, $sp); 2789 $self->goto ($map, $x, $y);
1960 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
1961 1; 2795 1
1962 }) { 2796 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
1964 . "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. "
1965 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2801
1968 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2803 $self->leave_link;
1970 } 2804 }
1971 })->prio (1); 2805 })->prio (1);
… …
1987 2821
1988 utf8::encode $text; 2822 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2824}
1991 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}
1992 3047
1993=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
1994 3049
1995Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
1996the 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>,
1997C<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>.
1998 3053
1999Queries 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
2000reliable at some point in the future. 3055become reliable at some point in the future.
2001 3056
2002=cut 3057=cut
2003 3058
2004sub cf::client::query { 3059sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
2013 utf8::encode $text; 3068 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 3070
2016 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
2018} 3075}
2019 3076
2020cf::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 },
2021 on_reply => sub { 3083 on_reply => sub {
2022 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
2023 3085
2024 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
2025 # get handled first 3087 # get handled first
… …
2037 } else { 3099 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 3101 }
2040 } 3102 }
2041 }, 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 },
2042); 3130);
2043 3131
2044=item $client->async (\&cb) 3132=item $client->async (\&cb)
2045 3133
2046Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
2062 3150
2063 $coro 3151 $coro
2064} 3152}
2065 3153
2066cf::client->attach ( 3154cf::client->attach (
2067 on_destroy => sub { 3155 on_client_destroy => sub {
2068 my ($ns) = @_; 3156 my ($ns) = @_;
2069 3157
2070 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2071 }, 3159 },
2072); 3160);
… …
2087our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2089 3177
2090$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2091 3179
2092$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));
2093 3185
2094# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2095 3187
2096=pod 3188=pod
2097 3189
2098The following functions and methods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2099 3191
2100 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
2101 cf::object::player player 3197 cf::object::player
2102 cf::player peaceful 3198 player
2103 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2104 3205
2105=cut 3206=cut
2106 3207
2107for ( 3208for (
2108 ["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)],
2109 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2111 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2112) { 3215) {
2113 no strict 'refs'; 3216 no strict 'refs';
2114 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2115 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2133 3236
2134 my $qcode = $code; 3237 my $qcode = $code;
2135 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2136 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2137 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2138 local $_; 3244 local $_;
2139 local @safe::cf::_safe_eval_args = values %vars;
2140 3245
2141 my $eval = 3246 my $eval =
2142 "do {\n" 3247 "do {\n"
2143 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2144 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2145 . $code 3250 . $code
2146 . "\n}" 3251 . "\n}"
2147 ; 3252 ;
2148 3253
3254 if ($CFG{safe_eval}) {
2149 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2150 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2151 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 }
2152 3263
2153 if ($@) { 3264 if ($@) {
2154 warn "$@"; 3265 warn "$@";
2155 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2156 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2175=cut 3286=cut
2176 3287
2177sub register_script_function { 3288sub register_script_function {
2178 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2179 3290
2180 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2181 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2182} 3293}
2183 3294
2184=back 3295=back
2185 3296
2186=cut 3297=cut
2187
2188#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259 3298
2260############################################################################# 3299#############################################################################
2261# the server's init and main functions 3300# the server's init and main functions
2262 3301
2263sub load_faces { 3302sub load_facedata($) {
2264 my $path = sprintf "%s/faces", cf::datadir; 3303 my ($path) = @_;
2265 3304
3305 # HACK to clear player env face cache, we need some signal framework
3306 # for this (global event?)
3307 %ext::player_env::MUSIC_FACE_CACHE = ();
3308
3309 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3310
2266 warn "loading faces from $path\n"; 3311 warn "loading facedata from $path\n";
2267 3312
2268 my $faces; 3313 my $facedata;
2269 0 < aio_load $path, $faces 3314 0 < aio_load $path, $facedata
2270 or die "$path: $!"; 3315 or die "$path: $!";
2271 3316
2272 Coro::cede;
2273 $faces = Storable::thaw $faces; 3317 $facedata = Coro::Storable::thaw $facedata;
2274 Coro::cede;
2275 3318
2276 my $meta = delete $faces->{""};
2277 $meta->{version} == 1 3319 $facedata->{version} == 2
2278 or cf::cleanup "$path: version mismatch, cannot proceed."; 3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
2279 3321
3322 # patch in the exptable
3323 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3324 $facedata->{resource}{"res/exp_table"} = {
3325 type => FT_RSRC,
3326 data => $exp_table,
3327 hash => (Digest::MD5::md5 $exp_table),
3328 };
3329 cf::cede_to_tick;
3330
3331 {
3332 my $faces = $facedata->{faceinfo};
3333
2280 while (my ($face, $info) = each %$faces) { 3334 while (my ($face, $info) = each %$faces) {
2281 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3336
3337 cf::face::set_visibility $idx, $info->{visibility};
3338 cf::face::set_magicmap $idx, $info->{magicmap};
2283 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2284 Coro::cede; 3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2285 }
2286 3341
3342 cf::cede_to_tick;
3343 }
3344
2287 while (my ($face, $info) = each %$faces) { 3345 while (my ($face, $info) = each %$faces) {
2288 next unless $info->{smooth}; 3346 next unless $info->{smooth};
3347
2289 my $idx = cf::face::find $face 3348 my $idx = cf::face::find $face
2290 or next; 3349 or next;
3350
2291 if (my $smooth = cf::face::find $info->{smooth}) { 3351 if (my $smooth = cf::face::find $info->{smooth}) {
2292 cf::face::set_smooth $idx, $smooth; 3352 cf::face::set_smooth $idx, $smooth;
3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293 } else { 3354 } else {
2294 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
2295 } 3356 }
2296 Coro::cede; 3357
3358 cf::cede_to_tick;
3359 }
3360 }
3361
2297 } 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);
2298 3391
2299 1 3392 1
2300} 3393}
2301 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
2302sub reload_resources { 3462sub reload_resources {
2303 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3463 warn "reloading resource files...\n";
2304 or die "unable to load regions file\n";#d# 3464
2305 load_faces 3465 reload_facedata;
2306 or die "unable to load faces\n";#d# 3466 reload_archetypes;
2307}
2308
2309sub init {
2310 reload_resources; 3467 reload_regions;
2311} 3468 reload_treasures;
2312 3469
2313sub cfg_load { 3470 warn "finished reloading resource files\n";
3471}
3472
3473sub reload_config {
3474 warn "reloading config file...\n";
3475
2314 open my $fh, "<:utf8", cf::confdir . "/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2315 or return; 3477 or return;
2316 3478
2317 local $/; 3479 local $/;
2318 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2319 3481
2320 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321 3483
2322 $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};
2323 $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};
… …
2327 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2328 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2329 }; 3491 };
2330 warn $@ if $@; 3492 warn $@ if $@;
2331 } 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;
2332} 3524}
2333 3525
2334sub 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
2335 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2336 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2337 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#
2338 (async { 3544 (async {
2339 Event::one_event; 3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
2340 })->prio (Coro::PRIO_MAX); 3547 })->prio (Coro::PRIO_MAX);
2341 }; 3548 };
2342 3549
2343 cfg_load; 3550 evthread_start IO::AIO::poll_fileno;
3551
3552 cf::sync_job {
3553 cf::load_settings;
3554 cf::load_materials;
3555
3556 reload_resources;
3557 reload_config;
2344 db_init; 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
2345 load_extensions; 3568 load_extensions;
2346 3569
2347 $TICK_WATCHER->start; 3570 utime time, time, $RUNTIMEFILE;
2348 Event::loop; 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;
2349} 3580}
2350 3581
2351############################################################################# 3582#############################################################################
2352# initialisation and cleanup 3583# initialisation and cleanup
2353 3584
2354# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2355BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2356 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2357 Event->signal ( 3589 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2358 reentrant => 0,
2359 data => WF_AUTOCANCEL,
2360 signal => $signal,
2361 prio => 0,
2362 cb => sub {
2363 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2364 },
2365 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = AE::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", AE::time - $t0;
3629
2366 } 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 };
2367} 3681}
2368 3682
2369sub emergency_save() { 3683sub emergency_save() {
2370 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2371 3685
2372 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2373 3687
2374 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
2375 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2376 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2377 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2378 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2379 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2380 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2381 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382 $pl->save; 3702 $pl->save;
2383 } 3703 }
2384 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2385 3705
2386 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2387 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2388 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2389 $map->valid or next; 3709 $map->valid or next;
2390 $map->save; 3710 $map->save;
2391 } 3711 }
2392 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
2393 3713
2394 warn "begin emergency database checkpoint\n"; 3714 warn "emergency_perl_save: begin database checkpoint\n";
2395 BDB::db_env_txn_checkpoint $DB_ENV; 3715 BDB::db_env_txn_checkpoint $DB_ENV;
2396 warn "end emergency database checkpoint\n"; 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";
2397 }; 3721 };
2398 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
2399 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2400} 3729}
2401 3730
2402sub post_cleanup { 3731sub post_cleanup {
2403 my ($make_core) = @_; 3732 my ($make_core) = @_;
2404 3733
2405 warn Carp::longmess "post_cleanup backtrace" 3734 warn Carp::longmess "post_cleanup backtrace"
2406 if $make_core; 3735 if $make_core;
2407}
2408 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 $pkg\n";#d#
3765}
3766
2409sub reload() { 3767sub do_reload_perl() {
2410 # can/must only be called in main 3768 # can/must only be called in main
2411 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2412 warn "can only reload from main coroutine"; 3770 warn "can only reload from main coroutine";
2413 return; 3771 return;
2414 } 3772 }
2415 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = AE::time;
3777
3778 while ($RELOAD) {
2416 warn "reloading..."; 3779 warn "reloading...";
2417 3780
2418 warn "entering sync_job"; 3781 warn "entering sync_job";
2419 3782
2420 cf::sync_job { 3783 cf::sync_job {
2421 cf::write_runtime; # external watchdog should not bark 3784 cf::write_runtime_sync; # external watchdog should not bark
2422 cf::emergency_save; 3785 cf::emergency_save;
2423 cf::write_runtime; # external watchdog should not bark 3786 cf::write_runtime_sync; # external watchdog should not bark
2424 3787
2425 warn "syncing database to disk"; 3788 warn "syncing database to disk";
2426 BDB::db_env_txn_checkpoint $DB_ENV; 3789 BDB::db_env_txn_checkpoint $DB_ENV;
2427 3790
2428 # 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
2429 3792
2430 warn "cancelling all WF_AUTOCANCEL watchers";
2431 for (Event::all_watchers) {
2432 $_->cancel if $_->data & WF_AUTOCANCEL;
2433 }
2434
2435 warn "flushing outstanding aio requests"; 3793 warn "flushing outstanding aio requests";
2436 for (;;) {
2437 BDB::flush;
2438 IO::AIO::flush;
2439 Coro::cede;
2440 last unless IO::AIO::nreqs || BDB::nreqs; 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2441 warn "iterate..."; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442 }
2443
2444 ++$RELOAD;
2445
2446 warn "cancelling all extension coros";
2447 $_->cancel for values %EXT_CORO;
2448 %EXT_CORO = ();
2449
2450 warn "removing commands";
2451 %COMMAND = ();
2452
2453 warn "removing ext commands";
2454 %EXTCMD = ();
2455
2456 warn "unloading/nuking all extensions";
2457 for my $pkg (@EXTS) {
2458 warn "... unloading $pkg";
2459
2460 if (my $cb = $pkg->can ("unload")) {
2461 eval {
2462 $cb->($pkg);
2463 1
2464 } or warn "$pkg unloaded, but with errors: $@";
2465 } 3796 }
2466 3797
2467 warn "... nuking $pkg"; 3798 warn "cancelling all extension coros";
2468 Symbol::delete_package $pkg; 3799 $_->cancel for values %EXT_CORO;
2469 } 3800 %EXT_CORO = ();
2470 3801
2471 warn "unloading all perl modules loaded from $LIBDIR"; 3802 warn "removing commands";
2472 while (my ($k, $v) = each %INC) { 3803 %COMMAND = ();
2473 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474 3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2475 warn "... unloading $k"; 3811 warn "... unloading $pkg";
2476 delete $INC{$k};
2477 3812
2478 $k =~ s/\.pm$//;
2479 $k =~ s/\//::/g;
2480
2481 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2482 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2483 } 3822 }
2484 3823
2485 Symbol::delete_package $k; 3824 warn "unloading all perl modules loaded from $LIBDIR";
3825 while (my ($k, $v) = each %INC) {
3826 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
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 $k;
2486 } 3839 }
2487 3840
2488 warn "getting rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2489 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2490 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);
2491 3844
2492 warn "unloading cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2493 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2494 3848
2495 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2496 # and global variables created in xs 3850 # and global variables created in xs
2497 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2498 3852
2499 warn "unload completed, starting to reload now"; 3853 warn "unload completed, starting to reload now";
2500 3854
2501 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2502 require cf; 3856 require cf;
2503 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2504 3858
2505 warn "loading config and database again"; 3859 warn "loading config and database again";
2506 cf::cfg_load; 3860 cf::reload_config;
2507 3861
2508 warn "loading extensions"; 3862 warn "loading extensions";
2509 cf::load_extensions; 3863 cf::load_extensions;
2510 3864
3865 if ($REATTACH_ON_RELOAD) {
2511 warn "reattaching attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2512 _global_reattach; # objects, sockets 3867 _global_reattach; # objects, sockets
2513 warn "reattaching attachments to maps"; 3868 warn "reattaching attachments to maps";
2514 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
2515 warn "reattaching attachments to players"; 3870 warn "reattaching attachments to players";
2516 reattach $_ for values %PLAYER; 3871 reattach $_ for values %PLAYER;
3872 }
2517 3873
2518 warn "loading reloadable resources"; 3874 warn "running post_init jobs";
2519 reload_resources; 3875 (pop @POST_INIT)->(1) while @POST_INIT;
2520 3876
2521 warn "leaving sync_job"; 3877 warn "leaving sync_job";
2522 3878
2523 1 3879 1
2524 } or do { 3880 } or do {
2525 warn $@; 3881 warn $@;
2526 warn "error while reloading, exiting."; 3882 cf::cleanup "error while reloading, exiting.";
2527 exit 1; 3883 };
3884
3885 warn "reloaded";
3886 --$RELOAD;
3887 }
3888
3889 $t1 = AE::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 = AE::timer $TICK * 1.5, 0, sub {
3903 do_reload_perl;
3904 undef $RELOAD_WATCHER;
3905 };
2528 }; 3906 };
2529 3907}
2530 warn "reloaded";
2531};
2532
2533our $RELOAD_WATCHER; # used only during reload
2534 3908
2535register_command "reload" => sub { 3909register_command "reload" => sub {
2536 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2537 3911
2538 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2539 $who->message ("reloading server."); 3913 $who->message ("reloading server.");
2540 3914 async {
2541 # doing reload synchronously and two reloads happen back-to-back, 3915 $Coro::current->{desc} = "perl_reload";
2542 # coro crashes during coro_state_free->destroy here.
2543
2544 $RELOAD_WATCHER ||= Event->timer (
2545 reentrant => 0,
2546 after => 0,
2547 data => WF_AUTOCANCEL,
2548 cb => sub {
2549 reload; 3916 reload_perl;
2550 undef $RELOAD_WATCHER;
2551 },
2552 ); 3917 };
2553 } 3918 }
2554}; 3919};
2555 3920
2556unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2557 3922
2558my $bug_warning = 0; 3923my $bug_warning = 0;
2559 3924
2560$TICK_WATCHER = Event->timer ( 3925our @WAIT_FOR_TICK;
2561 reentrant => 0, 3926our @WAIT_FOR_TICK_BEGIN;
2562 parked => 1, 3927
2563 prio => 0, 3928sub wait_for_tick {
2564 at => $NEXT_TICK || $TICK, 3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2565 data => WF_AUTOCANCEL, 3930
2566 cb => sub { 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 $signal->wait;
3942}
3943
3944sub tick {
2567 if ($Coro::current != $Coro::main) { 3945 if ($Coro::current != $Coro::main) {
2568 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569 unless ++$bug_warning > 10; 3947 unless ++$bug_warning > 10;
2570 return; 3948 return;
2571 } 3949 }
2572 3950
2573 $NOW = Event::time;
2574
2575 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2576 $RUNTIME += $TICK;
2577 $NEXT_TICK += $TICK;
2578 3952
3953 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3954
2579 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580 $NEXT_RUNTIME_WRITE = $NOW + 10; 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581 Coro::async_pool { 3957 Coro::async_pool {
3958 $Coro::current->{desc} = "runtime saver";
2582 write_runtime 3959 write_runtime_sync
2583 or warn "ERROR: unable to write runtime file: $!"; 3960 or warn "ERROR: unable to write runtime file: $!";
2584 };
2585 } 3961 };
2586
2587 $WAIT_FOR_TICK->broadcast;
2588 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590# my $AFTER = Event::time;
2591# warn $AFTER - $NOW;#d#
2592
2593 # if we are delayed by four ticks or more, skip them all
2594 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596 $TICK_WATCHER->at ($NEXT_TICK);
2597 $TICK_WATCHER->start;
2598 }, 3962 }
2599); 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}
2600 3982
2601{ 3983{
2602 BDB::max_poll_time $TICK * 0.1; 3984 # configure BDB
2603 $BDB_POLL_WATCHER = Event->io ( 3985
2604 reentrant => 0,
2605 fd => BDB::poll_fileno,
2606 poll => 'r',
2607 prio => 0,
2608 data => WF_AUTOCANCEL,
2609 cb => \&BDB::poll_cb,
2610 );
2611 BDB::min_parallel 8; 3986 BDB::min_parallel 16;
2612 3987 BDB::max_poll_reqs $TICK * 0.1;
2613 BDB::set_sync_prepare { 3988 $AnyEvent::BDB::WATCHER->priority (1);
2614 my $status;
2615 my $current = $Coro::current;
2616 (
2617 sub {
2618 $status = $!;
2619 $current->ready; undef $current;
2620 },
2621 sub {
2622 Coro::schedule while defined $current;
2623 $! = $status;
2624 },
2625 )
2626 };
2627 3989
2628 unless ($DB_ENV) { 3990 unless ($DB_ENV) {
2629 $DB_ENV = BDB::db_env_create; 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);
2630 3997
2631 cf::sync_job { 3998 cf::sync_job {
2632 eval { 3999 eval {
2633 BDB::db_env_open 4000 BDB::db_env_open
2634 $DB_ENV, 4001 $DB_ENV,
2635 $BDB_ENV_DIR, 4002 $BDBDIR,
2636 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638 0666; 4005 0666;
2639 4006
2640 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643 $DB_ENV->set_lk_detect;
2644 }; 4008 };
2645 4009
2646 cf::cleanup "db_env_open(db): $@" if $@; 4010 cf::cleanup "db_env_open(db): $@" if $@;
2647 }; 4011 };
2648 } 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 };
2649} 4023}
2650 4024
2651{ 4025{
4026 # configure IO::AIO
4027
2652 IO::AIO::min_parallel 8; 4028 IO::AIO::min_parallel 8;
2653
2654 undef $Coro::AIO::WATCHER;
2655 IO::AIO::max_poll_time $TICK * 0.1; 4029 IO::AIO::max_poll_time $TICK * 0.1;
2656 $AIO_POLL_WATCHER = Event->io ( 4030 undef $AnyEvent::AIO::WATCHER;
2657 reentrant => 0,
2658 data => WF_AUTOCANCEL,
2659 fd => IO::AIO::poll_fileno,
2660 poll => 'r',
2661 prio => 6,
2662 cb => \&IO::AIO::poll_cb,
2663 );
2664} 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;
2665 4078
2666END { cf::emergency_save } 4079END { cf::emergency_save }
2667 4080
26681 40811
2669 4082

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