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Revision 1.220 by root, Sat Feb 17 23:54:35 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;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.5 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
20use BDB (); 56use BDB ();
21use Data::Dumper; 57use Data::Dumper;
22use Digest::MD5;
23use Fcntl; 58use Fcntl;
24use IO::AIO 2.32 ();
25use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
26use Time::HiRes; 61use Time::HiRes;
27use Compress::LZF; 62use Compress::LZF;
63use Digest::MD5 ();
28 64
65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29Compress::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
30 77
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32 80
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 82
40our %COMMAND = (); 83our %COMMAND = ();
41our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
42 85
43our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
47 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
48our @EVENT; 93our @EVENT;
49our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
50 96
51our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
52our $TICK_WATCHER; 98our $DATADIR = datadir;
53our $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(!)
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 115our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 116our $USE_FSYNC = 1; # use fsync to write maps - default on
58 117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 120our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
61 124
62our %CFG; 125our %CFG;
63 126
64our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 128our $RUNTIME;
129our $NOW;
66 130
67our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 134
76# 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 ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 137
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 $REALLY_UNLOOP; # never set to true, please :)
147
79binmode STDOUT; 148binmode STDOUT;
80binmode STDERR; 149binmode STDERR;
81 150
82# read virtual server time, if available 151# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
84 open my $fh, "<", cf::localdir . "/runtime" 153 open my $fh, "<", $RUNTIMEFILE
85 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
86 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
87} 156}
88 157
89mkdir cf::localdir; 158eval "sub TICK() { $TICK } 1" or die;
90mkdir cf::localdir . "/" . cf::playerdir; 159
91mkdir cf::localdir . "/" . cf::tmpdir; 160mkdir $_
92mkdir cf::localdir . "/" . cf::uniquedir; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 162
96our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
97 164
98sub 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::"} };
99 177
100############################################################################# 178#############################################################################
101 179
102=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
103 181
… …
110=item $cf::RUNTIME 188=item $cf::RUNTIME
111 189
112The 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
113every server tick. 191every server tick.
114 192
115=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
116 196
117The perl library directory, where extensions and cf-specific modules can 197Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 201
120=item $cf::NOW 202=item $cf::NOW
121 203
122The time of the last (current) server tick. 204The time of the last (current) server tick.
123 205
124=item $cf::TICK 206=item $cf::TICK
125 207
126The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
127 209
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
128=item %cf::CFG 220=item %cf::CFG
129 221
130Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 223from wherever your confdir points to.
132 224
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 225=item cf::wait_for_tick, cf::wait_for_tick_begin
134 226
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 228returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
139 242
140=back 243=back
141 244
142=cut 245=cut
143 246
144BEGIN { 247$Coro::State::WARNHOOK = sub {
145 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 248 my $msg = join "", @_;
147 utf8::encode $msg;
148 249
149 $msg .= "\n" 250 $msg .= "\n"
150 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
151 252
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254
152 LOG llevError, $msg; 255 LOG llevError, $msg;
153 }; 256};
154} 257
258$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};
155 271
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@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';
161@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)
162 279
163# 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
164# within the Safe compartment. 281# within the Safe compartment.
165for my $pkg (qw( 282for my $pkg (qw(
166 cf::global cf::attachable 283 cf::global cf::attachable
167 cf::object cf::object::player 284 cf::object cf::object::player
168 cf::client cf::player 285 cf::client cf::player
169 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
170 cf::map cf::party cf::region 288 cf::party cf::region
171)) { 289)) {
172 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 291}
175 292
176$Event::DIED = sub { 293$EV::DIED = sub {
177 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
178}; 295};
296
297#############################################################################
179 298
180=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
181 300
182=over 4 301=over 4
183 302
… …
202 $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;
203 $d 322 $d
204 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
205} 324}
206 325
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
210 327
211Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
212 329
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
221 331
222Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
223 333
224=cut 334=cut
225 335
226sub to_json($) { 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 337
228 JSON::Syck::Dump $_[0] 338sub encode_json($) { $json_coder->encode ($_[0]) }
339sub decode_json($) { $json_coder->decode ($_[0]) }
340
341=item cf::post_init { BLOCK }
342
343Execute the given codeblock, I<after> all extensions have been (re-)loaded,
344but I<before> the server starts ticking again.
345
346The cdoeblock will have a single boolean argument to indicate whether this
347is a reload or not.
348
349=cut
350
351sub post_init(&) {
352 push @POST_INIT, shift;
229} 353}
230 354
231=item cf::lock_wait $string 355=item cf::lock_wait $string
232 356
233Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
234 358
235=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
236 360
237Wait 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
238a 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,
239for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
240returned. 364returned.
241 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
242Lock 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
243uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
244 371
245=cut 372=item $locked = cf::lock_active $string
246 373
247our %LOCK; 374Return true if the lock is currently active, i.e. somebody has locked it.
375
376=cut
377
378our $LOCKS = new Coro::SemaphoreSet;
248 379
249sub lock_wait($) { 380sub lock_wait($) {
250 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
251
252 # wait for lock, if any
253 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule;
256 }
257} 382}
258 383
259sub lock_acquire($) { 384sub lock_acquire($) {
260 my ($key) = @_; 385 $LOCKS->guard ($_[0])
386}
261 387
262 # wait, to be sure we are not locked 388sub lock_active($) {
263 lock_wait $key; 389 $LOCKS->count ($_[0]) < 1
264
265 $LOCK{$key} = [];
266
267 Coro::guard {
268 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} };
270 }
271} 390}
272 391
273sub freeze_mainloop { 392sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
275 394
276 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
277 $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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
278 }; 462 }
279 $TICK_WATCHER->stop; 463};
280 $guard 464
465sub get_slot($;$$) {
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 $sig->wait;
281} 478}
282 479
283=item cf::async { BLOCK } 480=item cf::async { BLOCK }
284 481
285Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
290 487
291BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
292 489
293=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
294 491
295The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
298 496
299If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
302fast or be very important. 500fast or be very important.
… …
305 503
306sub sync_job(&) { 504sub sync_job(&) {
307 my ($job) = @_; 505 my ($job) = @_;
308 506
309 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
508 my $time = AE::time;
509
310 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
312 512
313 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
314 # (but this is cancel-safe) 514
315 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
316 516
317 my $busy = 1; 517 my $busy = 1;
318 my @res; 518 my @res;
319 519
320 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 522 @res = eval { $job->() };
322 warn $@ if $@; 523 warn $@ if $@;
323 undef $busy; 524 undef $busy;
324 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
325 526
326 while ($busy) { 527 while ($busy) {
327 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
328 } 532 }
533 }
534
535 my $time = AE::time - $time;
536
537 $TICK_START += $time; # do not account sync jobs to server load
329 538
330 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
331 } else { 540 } else {
332 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
333 542
… …
353 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
354 563
355 $coro 564 $coro
356} 565}
357 566
358sub write_runtime { 567=item fork_call { }, $args
359 my $guard = cf::lock_acquire "write_runtime";
360 568
361 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.
362 573
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 574=cut
364 or return;
365 575
366 my $value = $cf::RUNTIME + 90 + 10; 576sub fork_call(&@) {
367 # 10 is the runtime save interval, for a monotonic clock 577 my ($cb, @args) = @_;
368 # 60 allows for the watchdog to kill the server.
369 578
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 579 # we seemingly have to make a local copy of the whole thing,
371 and return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
372 582
373 # always fsync - this file is important 583 my @res = Coro::Util::fork_eval {
374 aio_fsync $fh 584 reset_signals;
375 and return; 585 &$cb
586 }, @args;
376 587
377 close $fh 588 wantarray ? @res : $res[-1]
378 or return; 589}
379 590
380 aio_rename "$runtime~", $runtime 591=item $coin = coin_from_name $name
381 and return;
382 592
593=cut
594
595our %coin_alias = (
596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
611
612sub coin_from_name($) {
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($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
383 1 667 }
668}
669
670sub db_put($$$) {
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 });
384} 754}
385 755
386=back 756=back
387 757
388=cut 758=cut
389 759
390############################################################################# 760#############################################################################
391 761
392=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
393 763
394Many 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
395attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
397 767
398In 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>
399C<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
400crossfire+). 770Deliantra).
401 771
402=over 4 772=over 4
403 773
404=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
405 775
… …
449=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
450 820
451Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
452given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
453 823
454Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
455that 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.
456 826
457These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
458 828
459=over 4 829=over 4
… …
568 $registry = $CB_TYPE[$object_type] ||= []; 938 $registry = $CB_TYPE[$object_type] ||= [];
569 939
570 } elsif ($type eq "subtype") { 940 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 941 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 942 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 943 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 944
575 } elsif ($type eq "package") { 945 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 946 my $pkg = shift @arg;
577 947
578 while (my ($name, $id) = each %cb_id) { 948 while (my ($name, $id) = each %cb_id) {
… …
607 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
608 } 978 }
609 979
610 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
611 } else { 981 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 983 }
614 984
615 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
616} 986}
617 987
… …
619 if (ref $_[0]) { 989 if (ref $_[0]) {
620 _object_attach @_; 990 _object_attach @_;
621 } else { 991 } else {
622 _attach shift->_attach_registry, @_; 992 _attach shift->_attach_registry, @_;
623 } 993 }
994 _recalc_want;
624}; 995};
625 996
626# all those should be optimised 997# all those should be optimised
627sub cf::attachable::detach { 998sub cf::attachable::detach {
628 my ($obj, $name) = @_; 999 my ($obj, $name) = @_;
… …
631 delete $obj->{_attachment}{$name}; 1002 delete $obj->{_attachment}{$name};
632 reattach ($obj); 1003 reattach ($obj);
633 } else { 1004 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 1005 Carp::croak "cannot, currently, detach class attachments";
635 } 1006 }
1007 _recalc_want;
636}; 1008};
637 1009
638sub cf::attachable::attached { 1010sub cf::attachable::attached {
639 my ($obj, $name) = @_; 1011 my ($obj, $name) = @_;
640 1012
… …
655 "; 1027 ";
656 die if $@; 1028 die if $@;
657} 1029}
658 1030
659our $override; 1031our $override;
660our @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?
661 1033
662sub override { 1034sub override {
663 $override = 1; 1035 $override = 1;
664 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
665} 1037}
666 1038
667sub do_invoke { 1039sub do_invoke {
668 my $event = shift; 1040 my $event = shift;
669 my $callbacks = shift; 1041 my $callbacks = shift;
670 1042
671 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
672 1044
673 local $override; 1045 local $override;
674 1046
675 for (@$callbacks) { 1047 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
685 } 1057 }
686 1058
687 0 1059 0
688} 1060}
689 1061
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1063
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1065
694Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
695 1067
696This 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
697removed 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
698results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1071
700=back 1072=back
701 1073
702=cut 1074=cut
703 1075
704############################################################################# 1076#############################################################################
705# 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, $ob2
1119}
706 1120
707sub reattach { 1121sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1123 my ($obj) = @_;
710 1124
1125 # no longer needed after getting rid of delete_package?
711 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
712 1127
713 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
714 1129
715 @$registry = (); 1130 @$registry = ();
716 1131
… …
731cf::attachable->attach ( 1146cf::attachable->attach (
732 prio => -1000000, 1147 prio => -1000000,
733 on_instantiate => sub { 1148 on_instantiate => sub {
734 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
735 1150
736 $data = from_json $data; 1151 $data = decode_json $data;
737 1152
738 for (@$data) { 1153 for (@$data) {
739 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
740 1155
741 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
757sub object_freezer_save { 1172sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
759 1174
760 sync_job { 1175 sync_job {
761 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
764 1180
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 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 }
769 close $fh; 1188 aio_close $fh;
770 1189
771 if (@$objs) { 1190 if (@$objs) {
772 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) {
773 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
776 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 }
777 close $fh; 1199 aio_close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
779 } 1201 }
780 } else { 1202 } else {
781 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
782 } 1204 }
783 1205
784 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
785 } else { 1210 } else {
786 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
787 } 1212 }
788 } else { 1213 } else {
789 aio_unlink $filename; 1214 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
791 } 1216 }
792 } 1217 };
793} 1218}
794 1219
795sub object_freezer_as_string { 1220sub object_freezer_as_string {
796 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
797 1222
… …
809 or return; 1234 or return;
810 1235
811 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
812 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
813 or return; 1238 or return;
1239
814 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
815 } 1242 }
816 1243
1244 utf8::decode (my $decname = $filename);
817 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
819 return ($data, $av); 1248 ($data, $av)
820} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
821 1256
822############################################################################# 1257#############################################################################
823# command handling &c 1258# command handling &c
824 1259
825=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1274}
840 1275
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1277
843Register 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.
844 1283
845If 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
846called. 1285called.
847 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
848=cut 1298=cut
849 1299
850sub register_extcmd { 1300sub register_extcmd {
851 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
852 1302
853 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
854} 1304}
855 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
856cf::player->attach ( 1314cf::player->attach (
857 on_command => sub { 1315 on_unknown_command => sub {
858 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
859 1317
860 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
861 or return; 1319 or return;
862 1320
… …
867 cf::override; 1325 cf::override;
868 }, 1326 },
869 on_extcmd => sub { 1327 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
871 1329
872 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1331
874 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
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
877 $pl->ext_reply ($msg->{msgid}, %reply);
878 }
879 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
880 } else { 1347 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1349 }
883 1350
884 cf::override; 1351 cf::override;
885 }, 1352 },
886); 1353);
887 1354
1355# "readahead" all extensions
888sub load_extension { 1356sub cache_extensions {
889 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
890 1358
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
893 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 } 1362 }
916 die $@;
917 } 1363 };
918 1364
919 push @EXTS, $pkg; 1365 $grp
920} 1366}
921 1367
922sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
923 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1373 next unless -r $path;
925 eval { 1374
926 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 $active;
1434 }
927 1 1435 }
928 } or warn "$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 }
929 } 1446 };
930} 1447}
931 1448
932############################################################################# 1449#############################################################################
933 1450
1451=back
1452
934=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
935 1454
936Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
937 1456
938=cut 1457=cut
939 1458
940package cf::player; 1459package cf::player;
941 1460
… …
943 1462
944=head3 cf::player 1463=head3 cf::player
945 1464
946=over 4 1465=over 4
947 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
948=item cf::player::find $login 1481=item cf::player::find $login
949 1482
950Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
951 1484
952=cut 1485=cut
953 1486
954sub playerdir($) { 1487sub playerdir($) {
955 cf::localdir 1488 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1489 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1490}
961 1491
962sub path($) { 1492sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1493 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1494
965 (playerdir $login) . "/$login.pl" 1495 (playerdir $login) . "/playerdata"
966} 1496}
967 1497
968sub find_active($) { 1498sub find_active($) {
969 $cf::PLAYER{$_[0]} 1499 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1500 and $cf::PLAYER{$_[0]}->active
… …
973 1503
974sub exists($) { 1504sub exists($) {
975 my ($login) = @_; 1505 my ($login) = @_;
976 1506
977 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
978 or cf::sync_job { !aio_stat path $login } 1508 or !aio_stat path $login
979} 1509}
980 1510
981sub find($) { 1511sub find($) {
982 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
983 my $login = $_[0]; 1513 my $login = $_[0];
984 1514
985 my $guard = cf::lock_acquire "user_find:$login"; 1515 my $guard = cf::lock_acquire "user_find:$login";
986 1516
987 $cf::PLAYER{$_[0]} || do { 1517 $cf::PLAYER{$_[0]} || do {
988 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
989 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;
990 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
991 } 1534 }
992 } 1535 }
993} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($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);
994 1550
995sub save($) { 1551sub save($) {
996 my ($pl) = @_; 1552 my ($pl) = @_;
997 1553
998 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
1003 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
1004 1560
1005 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
1006 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
1007 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
1008 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
1009 Coro::cede; 1570 cf::cede_to_tick;
1010} 1571}
1011 1572
1012sub new($) { 1573sub new($) {
1013 my ($login) = @_; 1574 my ($login) = @_;
1014 1575
… …
1020 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1021 1582
1022 $self 1583 $self
1023} 1584}
1024 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
1025=item $pl->quit_character 1596=item $pl->quit_character
1026 1597
1027Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1028be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1029 1600
… …
1033 my ($pl) = @_; 1604 my ($pl) = @_;
1034 1605
1035 my $name = $pl->ob->name; 1606 my $name = $pl->ob->name;
1036 1607
1037 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1038 $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
1039 1610
1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1041 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1042 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1043 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1044 1617
1045 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1046 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
… …
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP; 1627 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055 1628
1056 IO::AIO::aio_rmtree $temp; 1629 IO::AIO::aio_rmtree $temp;
1057} 1630}
1058 1631
1632=item $pl->kick
1633
1634Kicks a player out of the game. This destroys the connection.
1635
1636=cut
1637
1638sub kick {
1639 my ($pl, $kicker) = @_;
1640
1641 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1642 $pl->killer ("kicked");
1643 $pl->ns->destroy;
1644}
1645
1059=item cf::player::list_logins 1646=item cf::player::list_logins
1060 1647
1061Returns am arrayref of all valid playernames in the system, can take a 1648Returns am arrayref of all valid playernames in the system, can take a
1062while and may block, so not sync_job-capable, ever. 1649while and may block, so not sync_job-capable, ever.
1063 1650
1064=cut 1651=cut
1065 1652
1066sub list_logins { 1653sub list_logins {
1067 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1654 my $dirs = aio_readdir $PLAYERDIR
1068 or return []; 1655 or return [];
1069 1656
1070 my @logins; 1657 my @logins;
1071 1658
1072 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") {
1073 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1074 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1075 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1076 1669
1077 utf8::decode $login; 1670 utf8::decode $login;
1078 push @logins, $login; 1671 push @logins, $login;
1079 } 1672 }
1080 1673
… …
1107 } 1700 }
1108 1701
1109 \@paths 1702 \@paths
1110} 1703}
1111 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1112=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1113 1710
1114Sends an ext reply to the player. 1711Sends an ext reply to the player.
1115 1712
1116=cut 1713=cut
1117 1714
1118sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1119 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1120 1717
1121 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1122
1123 $self->send ("ext " . cf::to_json \%msg);
1124} 1719}
1125 1720
1126package 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}
1127 1761
1128=back 1762=back
1129
1130 1763
1131=head3 cf::map 1764=head3 cf::map
1132 1765
1133=over 4 1766=over 4
1134 1767
… …
1146our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1147our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1148 1781
1149sub generate_random_map { 1782sub generate_random_map {
1150 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
1151 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1152 $self->_create_random_map ( 1788 $self->_create_random_map (
1153 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1154 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1155 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1156 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1157 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1158 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1159 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1189 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1190 1826
1191 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1192 local $self->{path}; 1828 local $self->{path};
1193 local $self->{load_path}; 1829 local $self->{load_path};
1194 local $self->{deny_save};
1195 local $self->{deny_reset};
1196 1830
1197 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1198} 1832}
1199 1833
1200sub normalise { 1834sub normalise {
… …
1247 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1248 return $self; 1882 return $self;
1249 } 1883 }
1250 } 1884 }
1251 1885
1252 Carp::carp "unable to resolve path '$path' (base '$base')."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1253 () 1887 ()
1254} 1888}
1255 1889
1256sub init { 1890sub init {
1257 my ($self) = @_; 1891 my ($self) = @_;
… …
1272 1906
1273# the original (read-only) location 1907# the original (read-only) location
1274sub load_path { 1908sub load_path {
1275 my ($self) = @_; 1909 my ($self) = @_;
1276 1910
1277 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1911 "$MAPDIR/$self->{path}.map"
1278} 1912}
1279 1913
1280# the temporary/swap location 1914# the temporary/swap location
1281sub save_path { 1915sub save_path {
1282 my ($self) = @_; 1916 my ($self) = @_;
1283 1917
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1285 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1919 "$TMPDIR/$path.map"
1286} 1920}
1287 1921
1288# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1289sub uniq_path { 1923sub uniq_path {
1290 my ($self) = @_; 1924 my ($self) = @_;
1291 1925
1292 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1293 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1927 "$UNIQUEDIR/$path"
1294} 1928}
1295 1929
1296# and all this just because we cannot iterate over 1930sub decay_objects {
1297# all maps in C++...
1298sub change_all_map_light {
1299 my ($change) = @_; 1931 my ($self) = @_;
1300 1932
1301 $_->change_map_light ($change) 1933 return if $self->{deny_reset};
1302 for grep $_->outdoor, values %cf::MAP; 1934
1935 $self->do_decay_objects;
1303} 1936}
1304 1937
1305sub unlink_save { 1938sub unlink_save {
1306 my ($self) = @_; 1939 my ($self) = @_;
1307 1940
… …
1312 1945
1313sub load_header_from($) { 1946sub load_header_from($) {
1314 my ($self, $path) = @_; 1947 my ($self, $path) = @_;
1315 1948
1316 utf8::encode $path; 1949 utf8::encode $path;
1317 #aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1318 # or return;
1319
1320 $self->_load_header ($path)
1321 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;
1322 1958
1323 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1324 1960
1325 1 1961 1
1326} 1962}
… …
1365 $self->load_header_orig 2001 $self->load_header_orig
1366 or return; 2002 or return;
1367 $self->prepare_orig; 2003 $self->prepare_orig;
1368 } 2004 }
1369 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
1370 1 2012 1
1371} 2013}
1372 2014
1373sub find; 2015sub find;
1374sub find { 2016sub find {
1375 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1376 2018
1377 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1378 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1379 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1380 2023
1381 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1382 my $guard = cf::lock_acquire "map_find:$path";
1383 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1384 or return; 2026 or return;
1385 2027
1386 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1387 2029
1388 $map->load_header 2030 $map->load_header
1389 or return; 2031 or return;
1390 2032
1391 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392 # doing this can freeze the server in a sync job, obviously 2034 # doing this can freeze the server in a sync job, obviously
1393 #$cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1394 $map->reset; 2038 $map->reset;
1395 undef $guard;
1396 return find $path; 2039 return find $path;
1397 } 2040 }
1398 2041
1399 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1400 } 2043 }
1401} 2044}
1402 2045
1403sub pre_load { } 2046sub pre_load { }
1404sub post_load { } 2047#sub post_load { } # XS
1405 2048
1406sub load { 2049sub load {
1407 my ($self) = @_; 2050 my ($self) = @_;
1408 2051
1409 local $self->{deny_reset} = 1; # loading can take a long time 2052 local $self->{deny_reset} = 1; # loading can take a long time
1410 2053
1411 my $path = $self->{path}; 2054 my $path = $self->{path};
2055
2056 {
1412 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1413 2058
2059 return unless $self->valid;
1414 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1415 2061
1416 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1417 2063
1418 $self->alloc; 2064 $self->alloc;
1419 2065
1420 $self->pre_load; 2066 $self->pre_load;
2067 cf::cede_to_tick;
1421 2068
1422 $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)
1423 or return; 2072 or return;
1424 2073
1425 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1426 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1427 2076
1428 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1429 utf8::encode $uniq; 2078 utf8::encode $uniq;
1430 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1431 $self->clear_unique_items; 2081 $self->clear_unique_items;
1432 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1433 } 2085 }
1434 } 2086 }
1435 2087
1436 Coro::cede; 2088 $f->resolve_delayed_derefs;
1437 2089
2090 cf::cede_to_tick;
1438 # now do the right thing for maps 2091 # now do the right thing for maps
1439 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1440
1441 unless ($self->{deny_activate}) {
1442 $self->decay_objects;
1443 $self->fix_auto_apply;
1444 $self->update_buttons;
1445 Coro::cede;
1446 $self->set_darkness_map;
1447 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1448 unless $self->difficulty; 2094 unless $self->difficulty;
1449 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;
1450 $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);
1451 } 2109 }
1452 2110
1453 $self->post_load; 2111 $self->post_load;
1454
1455 $self->in_memory (cf::MAP_IN_MEMORY);
1456} 2112}
1457 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
1458sub customise_for { 2117sub customise_for {
1459 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1460 2119
1461 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1462 if $self->per_player; 2121 if $self->per_player;
1463 2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
1464 $self 2126 $self
1465} 2127}
1466 2128
1467# 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
1468sub load_diag { 2130sub load_neighbours {
1469 my ($map) = @_; 2131 my ($map) = @_;
1470 2132
1471 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1472 2134
1473 for (0 .. 3) { 2135 for (0 .. 3) {
1474 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1475 or next; 2137 or next;
1476 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1477 or next; 2139 or next;
1478 $neigh->load; 2140 $neigh->load;
1479 2141
2142 push @neigh,
1480 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1481 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1482 } 2145 }
1483 2146
1484 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1485 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1486 or next; 2150 or next;
1487 $neigh->load; 2151 $neigh->load;
1488 } 2152 }
1489} 2153}
1490 2154
… …
1495} 2159}
1496 2160
1497sub do_load_sync { 2161sub do_load_sync {
1498 my ($map) = @_; 2162 my ($map) = @_;
1499 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1500 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1501} 2168}
1502 2169
1503our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1504our $MAP_PREFETCHER = undef; 2171our $MAP_PREFETCHER = undef;
1505 2172
1506sub find_async { 2173sub find_async {
1507 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1508 2175
1509 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1510 2177
1511 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1512 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1513 } 2180 }
1514 2181
1515 undef $MAP_PREFETCH{$path}; 2182 $MAP_PREFETCH{$path} |= $load;
2183
1516 $MAP_PREFETCHER ||= cf::async { 2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
1517 while (%MAP_PREFETCH) { 2187 while (%MAP_PREFETCH) {
1518 for my $path (keys %MAP_PREFETCH) { 2188 while (my ($k, $v) = each %MAP_PREFETCH) {
1519 my $map = find $path 2189 if (my $map = find $k) {
1520 or next;
1521 $map->load; 2190 $map->load if $v;
2191 }
1522 2192
1523 delete $MAP_PREFETCH{$path}; 2193 delete $MAP_PREFETCH{$k};
1524 } 2194 }
1525 } 2195 }
1526 undef $MAP_PREFETCHER; 2196 undef $MAP_PREFETCHER;
1527 }; 2197 };
1528 $MAP_PREFETCHER->prio (6); 2198 $MAP_PREFETCHER->prio (6);
… …
1531} 2201}
1532 2202
1533sub save { 2203sub save {
1534 my ($self) = @_; 2204 my ($self) = @_;
1535 2205
1536 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1537 2207
1538 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1539 2209
1540 return unless $self->dirty; 2210 return unless $self->dirty;
1541 2211
… …
1547 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1548 2218
1549 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1550 2220
1551 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1552 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1553 }; 2224 };
2225
2226 cf::get_slot 0.02;
1554 2227
1555 if ($uniq) { 2228 if ($uniq) {
1556 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1557 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1558 } else { 2231 } else {
… …
1564 my ($self) = @_; 2237 my ($self) = @_;
1565 2238
1566 # save first because save cedes 2239 # save first because save cedes
1567 $self->save; 2240 $self->save;
1568 2241
1569 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1570 2243
1571 return if $self->players; 2244 return if $self->players;
1572 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1573 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1574 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1575 $self->clear; 2252 $self->clear;
1576 $self->in_memory (cf::MAP_SWAPPED);
1577} 2253}
1578 2254
1579sub reset_at { 2255sub reset_at {
1580 my ($self) = @_; 2256 my ($self) = @_;
1581 2257
1582 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1583 return 1e99 if $self->isa ("ext::map_per_player");#d#
1584 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1585 2260
1586 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587 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;
1588 2263
… …
1599 my ($self) = @_; 2274 my ($self) = @_;
1600 2275
1601 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1602 2277
1603 return if $self->players; 2278 return if $self->players;
1604 return if $self->isa ("ext::map_per_player");#d#
1605 2279
1606 warn "resetting map ", $self->path;#d# 2280 warn "resetting map ", $self->path, "\n";
1607 2281
1608 $self->in_memory (cf::MAP_SWAPPED); 2282 $self->in_memory (cf::MAP_SWAPPED);
1609 2283
1610 # need to save uniques path 2284 # need to save uniques path
1611 unless ($self->{deny_save}) { 2285 unless ($self->{deny_save}) {
… …
1615 if $uniq; 2289 if $uniq;
1616 } 2290 }
1617 2291
1618 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1619 2293
2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1620 $self->clear; 2296 $self->clear;
1621
1622 $_->clear_links_to ($self) for values %cf::MAP;
1623 2297
1624 $self->unlink_save; 2298 $self->unlink_save;
1625 $self->destroy; 2299 $self->destroy;
1626} 2300}
1627 2301
1628my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1629 2303
1630sub nuke { 2304sub nuke {
1631 my ($self) = @_; 2305 my ($self) = @_;
1632 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
1633 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1634 2311
1635 $self->unlink_save; 2312 $self->unlink_save;
1636 2313
1637 bless $self, "cf::map"; 2314 bless $self, "cf::map";
1638 delete $self->{deny_reset}; 2315 delete $self->{deny_reset};
1639 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1640 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1641 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1642 2319
1643 $cf::MAP{$self->path} = $self; 2320 $cf::MAP{$self->path} = $self;
2321 }
1644 2322
1645 $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 ]
1646} 2360}
1647 2361
1648=item cf::map::unique_maps 2362=item cf::map::unique_maps
1649 2363
1650Returns an arrayref of paths of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1651instantiated unique items. May block. 2365instantiated unique items. May block.
1652 2366
1653=cut 2367=cut
1654 2368
1655sub unique_maps() { 2369sub unique_maps() {
1656 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2370 [
1657 or return; 2371 map {
1658
1659 my @paths;
1660
1661 for (@$files) {
1662 utf8::decode $_; 2372 utf8::decode $_;
1663 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1664 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1665 2375 ? ()
1666 push @paths, cf::map::normalise $_; 2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
1667 } 2378 ]
1668
1669 \@paths
1670} 2379}
1671 2380
1672package 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}
1673 2412
1674=back 2413=back
1675 2414
1676=head3 cf::object 2415=head3 cf::object
1677 2416
… …
1681 2420
1682=over 4 2421=over 4
1683 2422
1684=item $ob->inv_recursive 2423=item $ob->inv_recursive
1685 2424
1686Returns 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.
1687 2427
1688=cut 2428=cut
1689 2429
1690sub inv_recursive_; 2430sub inv_recursive_;
1691sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1694 2434
1695sub inv_recursive { 2435sub inv_recursive {
1696 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1697} 2437}
1698 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
1699package cf; 2467package cf;
1700 2468
1701=back 2469=back
1702 2470
1703=head3 cf::object::player 2471=head3 cf::object::player
… …
1709Sends 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>
1710can 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
1711dialogue with the given NPC character. 2479dialogue with the given NPC character.
1712 2480
1713=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};
1714 2496
1715# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1716# with dialog boxes. 2498# with dialog boxes.
1717#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
1718sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1720 2502
1721 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722 2504
1723 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1724 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1725 } 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 {
1726 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1727 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1728 } 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 (@_);
1729} 2530}
1730 2531
1731=item $player_object->may ("access") 2532=item $player_object->may ("access")
1732 2533
1733Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1746 2547
1747=item $player_object->enter_link 2548=item $player_object->enter_link
1748 2549
1749Freezes 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}>).
1750 2551
1751The 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.
1752I<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.
1753 2556
1754Will never block. 2557Will never block.
1755 2558
1756=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1757 2560
… …
1780 $self->deactivate_recursive; 2583 $self->deactivate_recursive;
1781 2584
1782 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2585 return if UNIVERSAL::isa $self->map, "ext::map_link";
1783 2586
1784 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2587 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785 if $self->map; 2588 if $self->map && $self->map->{path} ne "{link}";
1786 2589
1787 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2590 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1788} 2591}
1789 2592
1790sub cf::object::player::leave_link { 2593sub cf::object::player::leave_link {
1791 my ($self, $map, $x, $y) = @_; 2594 my ($self, $map, $x, $y) = @_;
2595
2596 return unless $self->contr->active;
1792 2597
1793 my $link_pos = delete $self->{_link_pos}; 2598 my $link_pos = delete $self->{_link_pos};
1794 2599
1795 unless ($map) { 2600 unless ($map) {
1796 # restore original map position 2601 # restore original map position
… …
1807 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1808 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1809 2614
1810 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1811 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1812 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1813 2618
1814 $map->load; 2619 $map->load;
1815 $map->load_diag; 2620 $map->load_neighbours;
1816 2621
1817 return unless $self->contr->active; 2622 return unless $self->contr->active;
1818 $self->activate_recursive;
1819 2623
1820 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821 $self->enter_map ($map, $x, $y); 2625 $self->enter_map ($map, $x, $y);
1822}
1823 2626
1824cf::player->attach ( 2627 # only activate afterwards, to support waiting in hooks
1825 on_logout => sub { 2628 $self->activate_recursive;
1826 my ($pl) = @_; 2629}
1827 2630
1828 # abort map switching before logout 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 if ($pl->ob->{_link_pos}) {
1830 cf::sync_job {
1831 $pl->ob->leave_link
1832 };
1833 }
1834 },
1835 on_login => sub {
1836 my ($pl) = @_;
1837 2632
1838 # try to abort aborted map switching on player login :) 2633Moves the player to the given map-path and coordinates by first freezing
1839 # should happen only on crashes 2634her, loading and preparing them map, calling the provided $check callback
1840 if ($pl->ob->{_link_pos}) { 2635that has to return the map if sucecssful, and then unfreezes the player on
1841 $pl->ob->enter_link; 2636the new (success) or old (failed) map position. In either case, $done will
1842 (async { 2637be called at the end of this process.
1843 $pl->ob->reply (undef,
1844 "There was an internal problem at your last logout, "
1845 . "the server will try to bring you to your intended destination in a second.",
1846 cf::NDI_RED);
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1849 Coro::Timer::sleep 1;
1850 $pl->ob->leave_link;
1851 })->prio (2);
1852 }
1853 },
1854);
1855 2638
1856=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 >>.
1857 2641
1858=cut 2642=cut
2643
2644our $GOTOGEN;
1859 2645
1860sub cf::object::player::goto { 2646sub cf::object::player::goto {
1861 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;
1862 2651
1863 $self->enter_link; 2652 $self->enter_link;
1864 2653
1865 (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
1866 my $map = eval { 2676 my $map = eval {
1867 my $map = cf::map::find $path; 2677 my $map = defined $path ? cf::map::find $path : undef;
2678
2679 if ($map) {
1868 $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
1869 $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 $@;
1870 } or 2692 }
1871 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872 2693
2694 if ($gen == $self->{_goto_generation}) {
2695 delete $self->{_goto_generation};
1873 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2697 }
2698
2699 $done->() if $done;
1874 })->prio (1); 2700 })->prio (1);
1875} 2701}
1876 2702
1877=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1878 2704
… …
1898} 2724}
1899 2725
1900sub prepare_random_map { 2726sub prepare_random_map {
1901 my ($exit) = @_; 2727 my ($exit) = @_;
1902 2728
1903 my $guard = cf::lock_acquire "exit_prepare:$exit";
1904
1905 # all this does is basically replace the /! path by 2729 # all this does is basically replace the /! path by
1906 # a new random map path (?random/...) with a seed 2730 # a new random map path (?random/...) with a seed
1907 # that depends on the exit object 2731 # that depends on the exit object
1908 2732
1909 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
… …
1911 if ($exit->map) { 2735 if ($exit->map) {
1912 $rmp->{region} = $exit->region->name; 2736 $rmp->{region} = $exit->region->name;
1913 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
1914 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
1915 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
1916 } 2742 }
1917 2743
1918 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
1919 2745
1920 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1921 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
1922 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2748 my $meta = "$RANDOMDIR/$md5.meta";
1923 2749
1924 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
1926 undef $fh; 2752 undef $fh;
1927 aio_rename "$meta~", $meta; 2753 aio_rename "$meta~", $meta;
1928 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
1929 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
1930 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
1931 } 2761 }
1932} 2762}
1933 2763
1934sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
1935 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
1936 2766
1937 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
1938 2768
1939 if ($exit->slaying eq "/!") {
1940 #TODO: this should de-fi-ni-te-ly not be a sync-job
1941 cf::sync_job { prepare_random_map $exit };
1942 }
1943
1944 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945 my $hp = $exit->stats->hp;
1946 my $sp = $exit->stats->sp;
1947
1948 $self->enter_link; 2769 $self->enter_link;
1949 2770
1950 (async { 2771 (async {
1951 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
1952 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
1953 $self->goto ($slaying, $hp, $sp); 2789 $self->goto ($map, $x, $y);
1954 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
1955 1; 2795 1
1956 }) { 2796 }) {
1957 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
1958 . "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. "
1959 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
1960 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
1961 2801
1962 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
1963 $self->leave_link; 2803 $self->leave_link;
1964 } 2804 }
1965 })->prio (1); 2805 })->prio (1);
… …
1978 2818
1979sub cf::client::send_drawinfo { 2819sub cf::client::send_drawinfo {
1980 my ($self, $text, $flags) = @_; 2820 my ($self, $text, $flags) = @_;
1981 2821
1982 utf8::encode $text; 2822 utf8::encode $text;
1983 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984} 2824}
1985 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}
1986 3047
1987=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
1988 3049
1989Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
1990the 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>,
1991C<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>.
1992 3053
1993Queries 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
1994reliable at some point in the future. 3055become reliable at some point in the future.
1995 3056
1996=cut 3057=cut
1997 3058
1998sub cf::client::query { 3059sub cf::client::query {
1999 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
2007 utf8::encode $text; 3068 utf8::encode $text;
2008 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009 3070
2010 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
2011 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
2012} 3075}
2013 3076
2014cf::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 },
2015 on_reply => sub { 3083 on_reply => sub {
2016 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
2017 3085
2018 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
2019 # get handled first 3087 # get handled first
… …
2031 } else { 3099 } else {
2032 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033 } 3101 }
2034 } 3102 }
2035 }, 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 },
2036); 3130);
2037 3131
2038=item $client->async (\&cb) 3132=item $client->async (\&cb)
2039 3133
2040Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
2056 3150
2057 $coro 3151 $coro
2058} 3152}
2059 3153
2060cf::client->attach ( 3154cf::client->attach (
2061 on_destroy => sub { 3155 on_client_destroy => sub {
2062 my ($ns) = @_; 3156 my ($ns) = @_;
2063 3157
2064 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2065 }, 3159 },
2066); 3160);
… …
2081our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2082our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2083 3177
2084$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2085 3179
2086$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));
2087 3185
2088# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2089 3187
2090=pod 3188=pod
2091 3189
2092The following fucntions and emthods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2093 3191
2094 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
2095 cf::object::player player 3197 cf::object::player
2096 cf::player peaceful 3198 player
2097 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2098 3205
2099=cut 3206=cut
2100 3207
2101for ( 3208for (
2102 ["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)],
2103 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2104 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2105 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2106) { 3215) {
2107 no strict 'refs'; 3216 no strict 'refs';
2108 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2109 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2127 3236
2128 my $qcode = $code; 3237 my $qcode = $code;
2129 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2130 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2131 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2132 local $_; 3244 local $_;
2133 local @safe::cf::_safe_eval_args = values %vars;
2134 3245
2135 my $eval = 3246 my $eval =
2136 "do {\n" 3247 "do {\n"
2137 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2138 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2139 . $code 3250 . $code
2140 . "\n}" 3251 . "\n}"
2141 ; 3252 ;
2142 3253
3254 if ($CFG{safe_eval}) {
2143 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2144 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2145 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 }
2146 3263
2147 if ($@) { 3264 if ($@) {
2148 warn "$@"; 3265 warn "$@";
2149 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2150 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2169=cut 3286=cut
2170 3287
2171sub register_script_function { 3288sub register_script_function {
2172 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2173 3290
2174 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2175 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2176} 3293}
2177 3294
2178=back 3295=back
2179 3296
2180=cut 3297=cut
2181
2182#############################################################################
2183
2184=head2 EXTENSION DATABASE SUPPORT
2185
2186Crossfire maintains a very simple database for extension use. It can
2187currently store anything that can be serialised using Storable, which
2188excludes objects.
2189
2190The parameter C<$family> should best start with the name of the extension
2191using it, it should be unique.
2192
2193=over 4
2194
2195=item $value = cf::db_get $family => $key
2196
2197Returns a single value from the database.
2198
2199=item cf::db_put $family => $key => $value
2200
2201Stores the given C<$value> in the family.
2202
2203=cut
2204
2205our $DB;
2206
2207sub db_init {
2208 unless ($DB) {
2209 $DB = BDB::db_create $DB_ENV;
2210
2211 cf::sync_job {
2212 eval {
2213 $DB->set_flags (BDB::CHKSUM);
2214
2215 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217 cf::cleanup "db_open(db): $!" if $!;
2218 };
2219 cf::cleanup "db_open(db): $@" if $@;
2220 };
2221
2222 my $path = cf::localdir . "/database.pst";
2223 if (stat $path) {
2224 cf::sync_job {
2225 my $pst = Storable::retrieve $path;
2226
2227 cf::db_put (board => data => $pst->{board});
2228 cf::db_put (guildrules => data => $pst->{guildrules});
2229 cf::db_put (rent => balance => $pst->{rent}{balance});
2230 BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232 unlink $path;
2233 };
2234 }
2235 }
2236}
2237
2238sub db_get($$) {
2239 my $key = "$_[0]/$_[1]";
2240
2241 cf::sync_job {
2242 BDB::db_get $DB, undef, $key, my $data;
2243
2244 $! ? ()
2245 : Compress::LZF::sthaw $data
2246 }
2247}
2248
2249sub db_put($$$) {
2250 BDB::dbreq_pri 4;
2251 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252}
2253 3298
2254############################################################################# 3299#############################################################################
2255# the server's init and main functions 3300# the server's init and main functions
2256 3301
2257sub init_resources { 3302sub load_facedata($) {
2258 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3303 my ($path) = @_;
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
3311 warn "loading facedata from $path\n";
3312
3313 my $facedata;
3314 0 < aio_load $path, $facedata
3315 or die "$path: $!";
3316
3317 $facedata = Coro::Storable::thaw $facedata;
3318
3319 $facedata->{version} == 2
3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
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
3334 while (my ($face, $info) = each %$faces) {
3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3336
3337 cf::face::set_visibility $idx, $info->{visibility};
3338 cf::face::set_magicmap $idx, $info->{magicmap};
3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3341
3342 cf::cede_to_tick;
3343 }
3344
3345 while (my ($face, $info) = each %$faces) {
3346 next unless $info->{smooth};
3347
3348 my $idx = cf::face::find $face
3349 or next;
3350
3351 if (my $smooth = cf::face::find $info->{smooth}) {
3352 cf::face::set_smooth $idx, $smooth;
3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3354 } else {
3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
3356 }
3357
3358 cf::cede_to_tick;
3359 }
3360 }
3361
3362 {
3363 my $anims = $facedata->{animinfo};
3364
3365 while (my ($anim, $info) = each %$anims) {
3366 cf::anim::set $anim, $info->{frames}, $info->{facings};
3367 cf::cede_to_tick;
3368 }
3369
3370 cf::anim::invalidate_all; # d'oh
3371 }
3372
3373 {
3374 my $res = $facedata->{resource};
3375
3376 while (my ($name, $info) = each %$res) {
3377 if (defined $info->{type}) {
3378 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3379
3380 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3381 cf::face::set_type $idx, $info->{type};
3382 } else {
3383 $RESOURCE{$name} = $info;
3384 }
3385
3386 cf::cede_to_tick;
3387 }
3388 }
3389
3390 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3391
3392 1
3393}
3394
3395cf::global->attach (on_resource_update => sub {
3396 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3397 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3398
3399 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3400 my $sound = $soundconf->{compat}[$_]
3401 or next;
3402
3403 my $face = cf::face::find "sound/$sound->[1]";
3404 cf::sound::set $sound->[0] => $face;
3405 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3406 }
3407
3408 while (my ($k, $v) = each %{$soundconf->{event}}) {
3409 my $face = cf::face::find "sound/$v";
3410 cf::sound::set $k => $face;
3411 }
3412 }
3413});
3414
3415register_exticmd fx_want => sub {
3416 my ($ns, $want) = @_;
3417
3418 while (my ($k, $v) = each %$want) {
3419 $ns->fx_want ($k, $v);
3420 }
3421};
3422
3423sub load_resource_file($) {
3424 my $guard = lock_acquire "load_resource_file";
3425
3426 my $status = load_resource_file_ $_[0];
3427 get_slot 0.1, 100;
3428 cf::arch::commit_load;
3429
3430 $status
3431}
3432
3433sub reload_regions {
3434 # HACK to clear player env face cache, we need some signal framework
3435 # for this (global event?)
3436 %ext::player_env::MUSIC_FACE_CACHE = ();
3437
3438 load_resource_file "$MAPDIR/regions"
2259 or die "unable to load regions file\n";#d# 3439 or die "unable to load regions file\n";
2260}
2261 3440
2262sub cfg_load { 3441 for (cf::region::list) {
3442 $_->{match} = qr/$_->{match}/
3443 if exists $_->{match};
3444 }
3445}
3446
3447sub reload_facedata {
3448 load_facedata "$DATADIR/facedata"
3449 or die "unable to load facedata\n";
3450}
3451
3452sub reload_archetypes {
3453 load_resource_file "$DATADIR/archetypes"
3454 or die "unable to load archetypes\n";
3455}
3456
3457sub reload_treasures {
3458 load_resource_file "$DATADIR/treasures"
3459 or die "unable to load treasurelists\n";
3460}
3461
3462sub reload_resources {
3463 warn "reloading resource files...\n";
3464
3465 reload_facedata;
3466 reload_archetypes;
3467 reload_regions;
3468 reload_treasures;
3469
3470 warn "finished reloading resource files\n";
3471}
3472
3473sub reload_config {
3474 warn "reloading config file...\n";
3475
2263 open my $fh, "<:utf8", cf::confdir . "/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2264 or return; 3477 or return;
2265 3478
2266 local $/; 3479 local $/;
2267 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2268 3481
2269 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2270 3483
2271 $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};
2272 $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};
… …
2276 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2278 }; 3491 };
2279 warn $@ if $@; 3492 warn $@ if $@;
2280 } 3493 }
2281}
2282 3494
2283sub init { 3495 warn "finished reloading resource files\n";
2284 init_resources; 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;
2285} 3524}
2286 3525
2287sub 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
2288 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2289 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2290 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#
2291 (async { 3544 (async {
2292 Event::one_event; 3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
2293 })->prio (Coro::PRIO_MAX); 3547 })->prio (Coro::PRIO_MAX);
2294 }; 3548 };
2295 3549
2296 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;
2297 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
2298 load_extensions; 3568 load_extensions;
2299 3569
2300 $TICK_WATCHER->start; 3570 utime time, time, $RUNTIMEFILE;
2301 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;
2302} 3580}
2303 3581
2304############################################################################# 3582#############################################################################
2305# initialisation and cleanup 3583# initialisation and cleanup
2306 3584
2307# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2308BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2309 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2310 Event->signal ( 3589 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2311 reentrant => 0,
2312 data => WF_AUTOCANCEL,
2313 signal => $signal,
2314 prio => 0,
2315 cb => sub {
2316 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2317 },
2318 ); 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
2319 } 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 };
2320} 3681}
2321 3682
2322sub emergency_save() { 3683sub emergency_save() {
2323 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2324 3685
2325 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2326 3687
2327 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
2328 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2329 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2330 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2331 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2332 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2333 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2334 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2335 $pl->save; 3702 $pl->save;
2336 } 3703 }
2337 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2338 3705
2339 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2340 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2341 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2342 $map->valid or next; 3709 $map->valid or next;
2343 $map->save; 3710 $map->save;
2344 } 3711 }
2345 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
2346 3713
2347 warn "begin emergency database checkpoint\n"; 3714 warn "emergency_perl_save: begin database checkpoint\n";
2348 BDB::db_env_txn_checkpoint $DB_ENV; 3715 BDB::db_env_txn_checkpoint $DB_ENV;
2349 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";
2350 }; 3721 };
2351 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
2352 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2353} 3729}
2354 3730
2355sub post_cleanup { 3731sub post_cleanup {
2356 my ($make_core) = @_; 3732 my ($make_core) = @_;
2357 3733
2358 warn Carp::longmess "post_cleanup backtrace" 3734 warn Carp::longmess "post_cleanup backtrace"
2359 if $make_core; 3735 if $make_core;
2360}
2361 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 $pkg\n";#d#
3765}
3766
2362sub reload() { 3767sub do_reload_perl() {
2363 # can/must only be called in main 3768 # can/must only be called in main
2364 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2365 warn "can only reload from main coroutine"; 3770 warn "can only reload from main coroutine";
2366 return; 3771 return;
2367 } 3772 }
2368 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = AE::time;
3777
3778 while ($RELOAD) {
2369 warn "reloading..."; 3779 warn "reloading...";
2370 3780
2371 warn "entering sync_job"; 3781 warn "entering sync_job";
2372 3782
2373 cf::sync_job { 3783 cf::sync_job {
2374 cf::write_runtime; # external watchdog should not bark 3784 cf::write_runtime_sync; # external watchdog should not bark
2375 cf::emergency_save; 3785 cf::emergency_save;
2376 cf::write_runtime; # external watchdog should not bark 3786 cf::write_runtime_sync; # external watchdog should not bark
2377 3787
2378 warn "syncing database to disk"; 3788 warn "syncing database to disk";
2379 BDB::db_env_txn_checkpoint $DB_ENV; 3789 BDB::db_env_txn_checkpoint $DB_ENV;
2380 3790
2381 # 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
2382 3792
2383 warn "cancelling all WF_AUTOCANCEL watchers";
2384 for (Event::all_watchers) {
2385 $_->cancel if $_->data & WF_AUTOCANCEL;
2386 }
2387
2388 warn "flushing outstanding aio requests"; 3793 warn "flushing outstanding aio requests";
2389 for (;;) {
2390 BDB::flush;
2391 IO::AIO::flush;
2392 Coro::cede;
2393 last unless IO::AIO::nreqs || BDB::nreqs; 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2394 warn "iterate..."; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2395 }
2396
2397 warn "cancelling all extension coros";
2398 $_->cancel for values %EXT_CORO;
2399 %EXT_CORO = ();
2400
2401 warn "removing commands";
2402 %COMMAND = ();
2403
2404 warn "removing ext commands";
2405 %EXTCMD = ();
2406
2407 warn "unloading/nuking all extensions";
2408 for my $pkg (@EXTS) {
2409 warn "... unloading $pkg";
2410
2411 if (my $cb = $pkg->can ("unload")) {
2412 eval {
2413 $cb->($pkg);
2414 1
2415 } or warn "$pkg unloaded, but with errors: $@";
2416 } 3796 }
2417 3797
2418 warn "... nuking $pkg"; 3798 warn "cancelling all extension coros";
2419 Symbol::delete_package $pkg; 3799 $_->cancel for values %EXT_CORO;
2420 } 3800 %EXT_CORO = ();
2421 3801
2422 warn "unloading all perl modules loaded from $LIBDIR"; 3802 warn "removing commands";
2423 while (my ($k, $v) = each %INC) { 3803 %COMMAND = ();
2424 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2425 3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2426 warn "... unloading $k"; 3811 warn "... unloading $pkg";
2427 delete $INC{$k};
2428 3812
2429 $k =~ s/\.pm$//;
2430 $k =~ s/\//::/g;
2431
2432 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2433 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2434 } 3822 }
2435 3823
2436 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 $k;
2437 } 3839 }
2438 3840
2439 warn "getting rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2440 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2441 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);
2442 3844
2443 warn "unloading cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2444 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2445 3848
2446 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2447 # and global variables created in xs 3850 # and global variables created in xs
2448 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2449 3852
2450 warn "unload completed, starting to reload now"; 3853 warn "unload completed, starting to reload now";
2451 3854
2452 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2453 require cf; 3856 require cf;
2454 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2455 3858
2456 warn "loading config and database again"; 3859 warn "loading config and database again";
2457 cf::cfg_load; 3860 cf::reload_config;
2458 3861
2459 warn "loading extensions"; 3862 warn "loading extensions";
2460 cf::load_extensions; 3863 cf::load_extensions;
2461 3864
3865 if ($REATTACH_ON_RELOAD) {
2462 warn "reattaching attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2463 _global_reattach; 3867 _global_reattach; # objects, sockets
2464 warn "reattaching attachments to maps"; 3868 warn "reattaching attachments to maps";
2465 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
3870 warn "reattaching attachments to players";
3871 reattach $_ for values %PLAYER;
3872 }
2466 3873
2467 warn "loading reloadable resources"; 3874 warn "running post_init jobs";
2468 init_resources; 3875 (pop @POST_INIT)->(1) while @POST_INIT;
2469 3876
2470 warn "leaving sync_job"; 3877 warn "leaving sync_job";
2471 3878
2472 1 3879 1
2473 } or do { 3880 } or do {
2474 warn $@; 3881 warn $@;
2475 warn "error while reloading, exiting."; 3882 cf::cleanup "error while reloading, exiting.";
2476 exit 1; 3883 };
3884
3885 warn "reloaded";
3886 --$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 };
2477 }; 3906 };
2478 3907}
2479 warn "reloaded";
2480};
2481
2482our $RELOAD_WATCHER; # used only during reload
2483 3908
2484register_command "reload" => sub { 3909register_command "reload" => sub {
2485 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2486 3911
2487 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2488 $who->message ("reloading server."); 3913 $who->message ("reloading server.");
2489 3914 async {
2490 # doing reload synchronously and two reloads happen back-to-back, 3915 $Coro::current->{desc} = "perl_reload";
2491 # coro crashes during coro_state_free->destroy here.
2492
2493 $RELOAD_WATCHER ||= Event->timer (
2494 reentrant => 0,
2495 after => 0,
2496 data => WF_AUTOCANCEL,
2497 cb => sub {
2498 reload; 3916 reload_perl;
2499 undef $RELOAD_WATCHER;
2500 },
2501 ); 3917 };
2502 } 3918 }
2503}; 3919};
2504 3920
2505unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2506 3922
2507my $bug_warning = 0; 3923my $bug_warning = 0;
2508 3924
2509$TICK_WATCHER = Event->timer ( 3925our @WAIT_FOR_TICK;
2510 reentrant => 0, 3926our @WAIT_FOR_TICK_BEGIN;
2511 parked => 1, 3927
2512 prio => 0, 3928sub wait_for_tick {
2513 at => $NEXT_TICK || $TICK, 3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2514 data => WF_AUTOCANCEL, 3930
2515 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 $signal->wait;
3942}
3943
3944sub tick {
2516 if ($Coro::current != $Coro::main) { 3945 if ($Coro::current != $Coro::main) {
2517 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518 unless ++$bug_warning > 10; 3947 unless ++$bug_warning > 10;
2519 return; 3948 return;
2520 } 3949 }
2521 3950
2522 $NOW = Event::time;
2523
2524 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2525 $RUNTIME += $TICK;
2526 $NEXT_TICK += $TICK;
2527 3952
3953 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3954
2528 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529 $NEXT_RUNTIME_WRITE = $NOW + 10; 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2530 Coro::async_pool { 3957 Coro::async_pool {
3958 $Coro::current->{desc} = "runtime saver";
2531 write_runtime 3959 write_runtime_sync
2532 or warn "ERROR: unable to write runtime file: $!"; 3960 or warn "ERROR: unable to write runtime file: $!";
2533 };
2534 } 3961 };
2535
2536 $WAIT_FOR_TICK->broadcast;
2537 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539# my $AFTER = Event::time;
2540# warn $AFTER - $NOW;#d#
2541
2542 # if we are delayed by four ticks or more, skip them all
2543 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2544
2545 $TICK_WATCHER->at ($NEXT_TICK);
2546 $TICK_WATCHER->start;
2547 }, 3962 }
2548); 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}
2549 3982
2550{ 3983{
2551 BDB::max_poll_time $TICK * 0.1; 3984 # configure BDB
2552 $BDB_POLL_WATCHER = Event->io ( 3985
2553 reentrant => 0,
2554 fd => BDB::poll_fileno,
2555 poll => 'r',
2556 prio => 0,
2557 data => WF_AUTOCANCEL,
2558 cb => \&BDB::poll_cb,
2559 );
2560 BDB::min_parallel 8; 3986 BDB::min_parallel 16;
2561 3987 BDB::max_poll_reqs $TICK * 0.1;
2562 BDB::set_sync_prepare { 3988 $AnyEvent::BDB::WATCHER->priority (1);
2563 my $status;
2564 my $current = $Coro::current;
2565 (
2566 sub {
2567 $status = $!;
2568 $current->ready; undef $current;
2569 },
2570 sub {
2571 Coro::schedule while defined $current;
2572 $! = $status;
2573 },
2574 )
2575 };
2576 3989
2577 unless ($DB_ENV) { 3990 unless ($DB_ENV) {
2578 $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);
2579 3997
2580 cf::sync_job { 3998 cf::sync_job {
2581 eval { 3999 eval {
2582 BDB::db_env_open 4000 BDB::db_env_open
2583 $DB_ENV, 4001 $DB_ENV,
2584 $BDB_ENV_DIR, 4002 $BDBDIR,
2585 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587 0666; 4005 0666;
2588 4006
2589 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590
2591 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592 $DB_ENV->set_lk_detect;
2593 }; 4008 };
2594 4009
2595 cf::cleanup "db_env_open(db): $@" if $@; 4010 cf::cleanup "db_env_open(db): $@" if $@;
2596 }; 4011 };
2597 } 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 };
2598} 4023}
2599 4024
2600{ 4025{
4026 # configure IO::AIO
4027
2601 IO::AIO::min_parallel 8; 4028 IO::AIO::min_parallel 8;
2602
2603 undef $Coro::AIO::WATCHER;
2604 IO::AIO::max_poll_time $TICK * 0.1; 4029 IO::AIO::max_poll_time $TICK * 0.1;
2605 $AIO_POLL_WATCHER = Event->io ( 4030 undef $AnyEvent::AIO::WATCHER;
2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2608 fd => IO::AIO::poll_fileno,
2609 poll => 'r',
2610 prio => 6,
2611 cb => \&IO::AIO::poll_cb,
2612 );
2613} 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;
2614 4078
2615END { cf::emergency_save } 4079END { cf::emergency_save }
2616 4080
26171 40811
2618 4082

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