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Revision 1.172 by root, Sun Jan 14 13:32:48 2007 UTC vs.
Revision 1.511 by root, Wed Apr 7 18:35:56 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 99our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
114our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 115our $NEXT_TICK;
52our $NOW; 116our $USE_FSYNC = 1; # use fsync to write maps - default on
117
118our $BDB_DEADLOCK_WATCHER;
119our $BDB_CHECKPOINT_WATCHER;
120our $BDB_TRICKLE_WATCHER;
121our $DB_ENV;
122
123our @EXTRA_MODULES = qw(pod match mapscript);
53 124
54our %CFG; 125our %CFG;
55 126
56our $UPTIME; $UPTIME ||= time; 127our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 128our $RUNTIME;
129our $NOW;
58 130
59our %PLAYER; # all users 131our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 132our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 133our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 134
67# 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 ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 136our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 137
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 $REALLY_UNLOOP; # never set to true, please :)
147
70binmode STDOUT; 148binmode STDOUT;
71binmode STDERR; 149binmode STDERR;
72 150
73# read virtual server time, if available 151# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 152unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 153 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 154 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 155 $RUNTIME = <$fh> + 0.;
78} 156}
79 157
80mkdir cf::localdir; 158eval "sub TICK() { $TICK } 1" or die;
81mkdir cf::localdir . "/" . cf::playerdir; 159
82mkdir cf::localdir . "/" . cf::tmpdir; 160mkdir $_
83mkdir cf::localdir . "/" . cf::uniquedir; 161 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84mkdir $RANDOM_MAPS;
85 162
86our $EMERGENCY_POSITION; 163our $EMERGENCY_POSITION;
164
165sub cf::map::normalise;
166
167#############################################################################
168
169%REFLECT = ();
170for (@REFLECT) {
171 my $reflect = JSON::XS::decode_json $_;
172 $REFLECT{$reflect->{class}} = $reflect;
173}
174
175# this is decidedly evil
176$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87 177
88############################################################################# 178#############################################################################
89 179
90=head2 GLOBAL VARIABLES 180=head2 GLOBAL VARIABLES
91 181
… …
98=item $cf::RUNTIME 188=item $cf::RUNTIME
99 189
100The 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
101every server tick. 191every server tick.
102 192
103=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
104 196
105The perl library directory, where extensions and cf-specific modules can 197Various directories - "/etc", read-only install directory, perl-library
106be 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.
107 201
108=item $cf::NOW 202=item $cf::NOW
109 203
110The time of the last (current) server tick. 204The time of the last (current) server tick.
111 205
112=item $cf::TICK 206=item $cf::TICK
113 207
114The interval between server ticks, in seconds. 208The interval between server ticks, in seconds.
115 209
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
116=item %cf::CFG 220=item %cf::CFG
117 221
118Configuration for the server, loaded from C</etc/crossfire/config>, or 222Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 223from wherever your confdir points to.
120 224
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 225=item cf::wait_for_tick, cf::wait_for_tick_begin
122 226
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 227These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 228returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 229per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 230
231=item @cf::INVOKE_RESULTS
232
233This array contains the results of the last C<invoke ()> call. When
234C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
235that call.
236
237=item %cf::REFLECT
238
239Contains, for each (C++) class name, a hash reference with information
240about object members (methods, scalars, arrays and flags) and other
241metadata, which is useful for introspection.
127 242
128=back 243=back
129 244
130=cut 245=cut
131 246
132BEGIN { 247$Coro::State::WARNHOOK = sub {
133 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 248 my $msg = join "", @_;
135 utf8::encode $msg;
136 249
137 $msg .= "\n" 250 $msg .= "\n"
138 unless $msg =~ /\n$/; 251 unless $msg =~ /\n$/;
139 252
253 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
254
140 LOG llevError, $msg; 255 LOG llevError, $msg;
141 }; 256};
142} 257
258$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};
143 271
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 272@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 273@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 274@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 275@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@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';
149@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)
150 279
151# 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
152# within the Safe compartment. 281# within the Safe compartment.
153for my $pkg (qw( 282for my $pkg (qw(
154 cf::global cf::attachable 283 cf::global cf::attachable
155 cf::object cf::object::player 284 cf::object cf::object::player
156 cf::client cf::player 285 cf::client cf::player
157 cf::arch cf::living 286 cf::arch cf::living
287 cf::map cf::mapspace
158 cf::map cf::party cf::region 288 cf::party cf::region
159)) { 289)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 290 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 291}
163 292
164$Event::DIED = sub { 293$EV::DIED = sub {
165 warn "error in event callback: @_"; 294 Carp::cluck "error in event callback: @_";
166}; 295};
296
297#############################################################################
167 298
168=head2 UTILITY FUNCTIONS 299=head2 UTILITY FUNCTIONS
169 300
170=over 4 301=over 4
171 302
… …
190 $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;
191 $d 322 $d
192 } || "[unable to dump $_[0]: '$@']"; 323 } || "[unable to dump $_[0]: '$@']";
193} 324}
194 325
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 326=item $ref = cf::decode_json $json
198 327
199Converts a JSON string into the corresponding perl data structure. 328Converts a JSON string into the corresponding perl data structure.
200 329
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 330=item $json = cf::encode_json $ref
209 331
210Converts a perl data structure into its JSON representation. 332Converts a perl data structure into its JSON representation.
211 333
212=cut 334=cut
213 335
214sub to_json($) { 336our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 337
216 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;
217} 353}
218 354
219=item cf::lock_wait $string 355=item cf::lock_wait $string
220 356
221Wait until the given lock is available. See cf::lock_acquire. 357Wait until the given lock is available. See cf::lock_acquire.
222 358
223=item my $lock = cf::lock_acquire $string 359=item my $lock = cf::lock_acquire $string
224 360
225Wait 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
226a 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,
227for example when the coroutine gets canceled), the lock is automatically 363for example when the coroutine gets canceled), the lock is automatically
228returned. 364returned.
229 365
366Locks are *not* recursive, locking from the same coro twice results in a
367deadlocked coro.
368
230Lock 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
231uses map_find and cf::map::load uses map_load). 370uses map_find and cf::map::load uses map_load).
232 371
233=cut 372=item $locked = cf::lock_active $string
234 373
235our %LOCK; 374Return true if the lock is currently active, i.e. somebody has locked it.
375
376=cut
377
378our $LOCKS = new Coro::SemaphoreSet;
236 379
237sub lock_wait($) { 380sub lock_wait($) {
238 my ($key) = @_; 381 $LOCKS->wait ($_[0]);
239
240 # wait for lock, if any
241 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule;
244 }
245} 382}
246 383
247sub lock_acquire($) { 384sub lock_acquire($) {
248 my ($key) = @_; 385 $LOCKS->guard ($_[0])
386}
249 387
250 # wait, to be sure we are not locked 388sub lock_active($) {
251 lock_wait $key; 389 $LOCKS->count ($_[0]) < 1
252
253 $LOCK{$key} = [];
254
255 Coro::guard {
256 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} };
258 }
259} 390}
260 391
261sub freeze_mainloop { 392sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 393 tick_inhibit_inc;
263 394
264 my $guard = Coro::guard { 395 &Guard::guard (\&tick_inhibit_dec);
265 $TICK_WATCHER->start; 396}
266 $WRITE_RUNTIME_WATCHER->start; 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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428our $SLOT_DECAY = 0.9;
429
430$SLOT_QUEUE->cancel if $SLOT_QUEUE;
431$SLOT_QUEUE = Coro::async {
432 $Coro::current->desc ("timeslot manager");
433
434 my $signal = new Coro::Signal;
435 my $busy;
436
437 while () {
438 next_job:
439
440 my $avail = cf::till_tick;
441
442 for (0 .. $#SLOT_QUEUE) {
443 if ($SLOT_QUEUE[$_][0] <= $avail) {
444 $busy = 0;
445 my $job = splice @SLOT_QUEUE, $_, 1, ();
446 $job->[2]->send;
447 Coro::cede;
448 goto next_job;
449 } else {
450 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
451 }
452 }
453
454 if (@SLOT_QUEUE) {
455 # we do not use wait_for_tick() as it returns immediately when tick is inactive
456 push @cf::WAIT_FOR_TICK, $signal;
457 $signal->wait;
458 } else {
459 $busy = 0;
460 Coro::schedule;
461 }
267 }; 462 }
268 $WRITE_RUNTIME_WATCHER->stop; 463};
269 $TICK_WATCHER->stop; 464
270 $guard 465sub get_slot($;$$) {
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 $sig->wait;
271} 478}
272 479
273=item cf::async { BLOCK } 480=item cf::async { BLOCK }
274 481
275Currently the same as Coro::async_pool, meaning you cannot use 482Currently the same as Coro::async_pool, meaning you cannot use
… …
280 487
281BEGIN { *async = \&Coro::async_pool } 488BEGIN { *async = \&Coro::async_pool }
282 489
283=item cf::sync_job { BLOCK } 490=item cf::sync_job { BLOCK }
284 491
285The design of crossfire+ requires that the main coro ($Coro::main) is 492The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 493is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 494partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
495acceptable.
288 496
289If it must be done, put the blocking parts into C<sync_job>. This will run 497If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 498the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 499server will be frozen during this time, so the block should either finish
292fast or be very important. 500fast or be very important.
… …
295 503
296sub sync_job(&) { 504sub sync_job(&) {
297 my ($job) = @_; 505 my ($job) = @_;
298 506
299 if ($Coro::current == $Coro::main) { 507 if ($Coro::current == $Coro::main) {
508 my $time = EV::time;
509
300 # this is the main coro, too bad, we have to block 510 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 511 # till the operation succeeds, freezing the server :/
302 512
303 # TODO: use suspend/resume instead 513 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 514
305 my $freeze_guard = freeze_mainloop; 515 my $freeze_guard = freeze_mainloop;
306 516
307 my $busy = 1; 517 my $busy = 1;
308 my @res; 518 my @res;
309 519
310 (async { 520 (async {
521 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 522 @res = eval { $job->() };
312 warn $@ if $@; 523 warn $@ if $@;
313 undef $busy; 524 undef $busy;
314 })->prio (Coro::PRIO_MAX); 525 })->prio (Coro::PRIO_MAX);
315 526
316 while ($busy) { 527 while ($busy) {
317 Coro::cede or Event::one_event; 528 if (Coro::nready) {
529 Coro::cede_notself;
530 } else {
531 EV::loop EV::LOOP_ONESHOT;
318 } 532 }
533 }
534
535 my $time = EV::time - $time;
536
537 $TICK_START += $time; # do not account sync jobs to server load
319 538
320 wantarray ? @res : $res[0] 539 wantarray ? @res : $res[0]
321 } else { 540 } else {
322 # we are in another coroutine, how wonderful, everything just works 541 # we are in another coroutine, how wonderful, everything just works
323 542
… …
343 $EXT_CORO{$coro+0} = $coro; 562 $EXT_CORO{$coro+0} = $coro;
344 563
345 $coro 564 $coro
346} 565}
347 566
348sub write_runtime { 567=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 568
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 569Executes the given code block with the given arguments in a seperate
352 or return; 570process, returning the results. Everything must be serialisable with
571Coro::Storable. May, of course, block. Note that the executed sub may
572never block itself or use any form of event handling.
353 573
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 574=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 575
358 aio_fsync $fh 576sub fork_call(&@) {
359 and return; 577 my ($cb, @args) = @_;
360 578
361 close $fh 579 # we seemingly have to make a local copy of the whole thing,
362 or return; 580 # otherwise perl prematurely frees the stuff :/
581 # TODO: investigate and fix (likely this will be rather laborious)
363 582
364 aio_rename "$runtime~", $runtime 583 my @res = Coro::Util::fork_eval {
365 and return; 584 reset_signals;
585 &$cb
586 }, @args;
366 587
588 wantarray ? @res : $res[-1]
589}
590
591=item $coin = coin_from_name $name
592
593=cut
594
595our %coin_alias = (
596 "silver" => "silvercoin",
597 "silvercoin" => "silvercoin",
598 "silvercoins" => "silvercoin",
599 "gold" => "goldcoin",
600 "goldcoin" => "goldcoin",
601 "goldcoins" => "goldcoin",
602 "platinum" => "platinacoin",
603 "platinumcoin" => "platinacoin",
604 "platinumcoins" => "platinacoin",
605 "platina" => "platinacoin",
606 "platinacoin" => "platinacoin",
607 "platinacoins" => "platinacoin",
608 "royalty" => "royalty",
609 "royalties" => "royalty",
610);
611
612sub coin_from_name($) {
613 $coin_alias{$_[0]}
614 ? cf::arch::find $coin_alias{$_[0]}
615 : undef
616}
617
618=item $value = cf::db_get $family => $key
619
620Returns a single value from the environment database.
621
622=item cf::db_put $family => $key => $value
623
624Stores the given C<$value> in the family. It can currently store binary
625data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
626
627=item $db = cf::db_table "name"
628
629Create and/or open a new database table. The string must not be "db" and must be unique
630within each server.
631
632=cut
633
634sub db_table($) {
635 my ($name) = @_;
636 my $db = BDB::db_create $DB_ENV;
637
638 eval {
639 $db->set_flags (BDB::CHKSUM);
640
641 utf8::encode $name;
642 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
643 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
644 cf::cleanup "db_open(db): $!" if $!;
645 };
646 cf::cleanup "db_open(db): $@" if $@;
647
648 $db
649}
650
651our $DB;
652
653sub db_init {
654 cf::sync_job {
655 $DB ||= db_table "db";
656 };
657}
658
659sub db_get($$) {
660 my $key = "$_[0]/$_[1]";
661
662 cf::sync_job {
663 BDB::db_get $DB, undef, $key, my $data;
664
665 $! ? ()
666 : $data
367 1 667 }
668}
669
670sub db_put($$$) {
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 });
368} 754}
369 755
370=back 756=back
371 757
372=cut 758=cut
373 759
374############################################################################# 760#############################################################################
375 761
376=head2 ATTACHABLE OBJECTS 762=head2 ATTACHABLE OBJECTS
377 763
378Many 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
379attach callbacks/event handlers (a collection of which is called an "attachment") 765attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 766to it. All such attachable objects support the following methods.
381 767
382In 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>
383C<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
384crossfire+). 770Deliantra).
385 771
386=over 4 772=over 4
387 773
388=item $attachable->attach ($attachment, key => $value...) 774=item $attachable->attach ($attachment, key => $value...)
389 775
… …
433=item cf::CLASS::attachment $name, ... 819=item cf::CLASS::attachment $name, ...
434 820
435Register an attachment by C<$name> through which attachable objects of the 821Register an attachment by C<$name> through which attachable objects of the
436given CLASS can refer to this attachment. 822given CLASS can refer to this attachment.
437 823
438Some classes such as crossfire maps and objects can specify attachments 824Some classes such as deliantra maps and objects can specify attachments
439that 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.
440 826
441These calls expect any number of the following handler/hook descriptions: 827These calls expect any number of the following handler/hook descriptions:
442 828
443=over 4 829=over 4
… …
552 $registry = $CB_TYPE[$object_type] ||= []; 938 $registry = $CB_TYPE[$object_type] ||= [];
553 939
554 } elsif ($type eq "subtype") { 940 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 941 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 942 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 943 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 944
559 } elsif ($type eq "package") { 945 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 946 my $pkg = shift @arg;
561 947
562 while (my ($name, $id) = each %cb_id) { 948 while (my ($name, $id) = each %cb_id) {
… …
591 _attach $registry, $klass, @attach; 977 _attach $registry, $klass, @attach;
592 } 978 }
593 979
594 $obj->{$name} = \%arg; 980 $obj->{$name} = \%arg;
595 } else { 981 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 982 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 983 }
598 984
599 $obj->{_attachment}{$name} = undef; 985 $obj->{_attachment}{$name} = undef;
600} 986}
601 987
… …
603 if (ref $_[0]) { 989 if (ref $_[0]) {
604 _object_attach @_; 990 _object_attach @_;
605 } else { 991 } else {
606 _attach shift->_attach_registry, @_; 992 _attach shift->_attach_registry, @_;
607 } 993 }
994 _recalc_want;
608}; 995};
609 996
610# all those should be optimised 997# all those should be optimised
611sub cf::attachable::detach { 998sub cf::attachable::detach {
612 my ($obj, $name) = @_; 999 my ($obj, $name) = @_;
… …
615 delete $obj->{_attachment}{$name}; 1002 delete $obj->{_attachment}{$name};
616 reattach ($obj); 1003 reattach ($obj);
617 } else { 1004 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 1005 Carp::croak "cannot, currently, detach class attachments";
619 } 1006 }
1007 _recalc_want;
620}; 1008};
621 1009
622sub cf::attachable::attached { 1010sub cf::attachable::attached {
623 my ($obj, $name) = @_; 1011 my ($obj, $name) = @_;
624 1012
… …
639 "; 1027 ";
640 die if $@; 1028 die if $@;
641} 1029}
642 1030
643our $override; 1031our $override;
644our @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?
645 1033
646sub override { 1034sub override {
647 $override = 1; 1035 $override = 1;
648 @invoke_results = (); 1036 @INVOKE_RESULTS = (@_);
649} 1037}
650 1038
651sub do_invoke { 1039sub do_invoke {
652 my $event = shift; 1040 my $event = shift;
653 my $callbacks = shift; 1041 my $callbacks = shift;
654 1042
655 @invoke_results = (); 1043 @INVOKE_RESULTS = ();
656 1044
657 local $override; 1045 local $override;
658 1046
659 for (@$callbacks) { 1047 for (@$callbacks) {
660 eval { &{$_->[1]} }; 1048 eval { &{$_->[1]} };
… …
669 } 1057 }
670 1058
671 0 1059 0
672} 1060}
673 1061
674=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1062=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675 1063
676=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1064=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677 1065
678Generate an object-specific event with the given arguments. 1066Generate an object-specific event with the given arguments.
679 1067
680This 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
681removed 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
682results (if you must, access C<@cf::invoke_results> directly). 1070results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 1071
684=back 1072=back
685 1073
686=cut 1074=cut
687 1075
688############################################################################# 1076#############################################################################
689# 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, $ob2
1119}
690 1120
691sub reattach { 1121sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1122 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1123 my ($obj) = @_;
694 1124
1125 # no longer needed after getting rid of delete_package?
695 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
696 1127
697 my $registry = $obj->registry; 1128 my $registry = $obj->registry;
698 1129
699 @$registry = (); 1130 @$registry = ();
700 1131
… …
715cf::attachable->attach ( 1146cf::attachable->attach (
716 prio => -1000000, 1147 prio => -1000000,
717 on_instantiate => sub { 1148 on_instantiate => sub {
718 my ($obj, $data) = @_; 1149 my ($obj, $data) = @_;
719 1150
720 $data = from_json $data; 1151 $data = decode_json $data;
721 1152
722 for (@$data) { 1153 for (@$data) {
723 my ($name, $args) = @$_; 1154 my ($name, $args) = @$_;
724 1155
725 $obj->attach ($name, %{$args || {} }); 1156 $obj->attach ($name, %{$args || {} });
… …
741sub object_freezer_save { 1172sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1173 my ($filename, $rdata, $objs) = @_;
743 1174
744 sync_job { 1175 sync_job {
745 if (length $$rdata) { 1176 if (length $$rdata) {
1177 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1178 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1179 $decname, length $$rdata, scalar @$objs;
748 1180
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1181 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1182 aio_chmod $fh, SAVE_MODE;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1183 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1184 if ($cf::USE_FSYNC) {
1185 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752 aio_fsync $fh; 1186 aio_fsync $fh;
1187 }
753 close $fh; 1188 aio_close $fh;
754 1189
755 if (@$objs) { 1190 if (@$objs) {
756 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) {
757 chmod SAVE_MODE, $fh; 1192 aio_chmod $fh, SAVE_MODE;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1193 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 1194 aio_write $fh, 0, (length $data), $data, 0;
1195 if ($cf::USE_FSYNC) {
1196 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760 aio_fsync $fh; 1197 aio_fsync $fh;
1198 }
761 close $fh; 1199 aio_close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1200 aio_rename "$filename.pst~", "$filename.pst";
763 } 1201 }
764 } else { 1202 } else {
765 aio_unlink "$filename.pst"; 1203 aio_unlink "$filename.pst";
766 } 1204 }
767 1205
768 aio_rename "$filename~", $filename; 1206 aio_rename "$filename~", $filename;
1207
1208 $filename =~ s%/[^/]+$%%;
1209 aio_pathsync $filename if $cf::USE_FSYNC;
769 } else { 1210 } else {
770 warn "FATAL: $filename~: $!\n"; 1211 warn "unable to save objects: $filename~: $!\n";
771 } 1212 }
772 } else { 1213 } else {
773 aio_unlink $filename; 1214 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1215 aio_unlink "$filename.pst";
775 } 1216 }
776 } 1217 };
777} 1218}
778 1219
779sub object_freezer_as_string { 1220sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1221 my ($rdata, $objs) = @_;
781 1222
… …
793 or return; 1234 or return;
794 1235
795 unless (aio_stat "$filename.pst") { 1236 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1237 (aio_load "$filename.pst", $av) >= 0
797 or return; 1238 or return;
1239
798 $av = eval { (Storable::thaw $av)->{objs} }; 1240 my $st = eval { Coro::Storable::thaw $av };
1241 $av = $st->{objs};
799 } 1242 }
800 1243
1244 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1245 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1246 $decname, length $data, scalar @{$av || []};
1247
803 return ($data, $av); 1248 ($data, $av)
804} 1249}
1250
1251=head2 COMMAND CALLBACKS
1252
1253=over 4
1254
1255=cut
805 1256
806############################################################################# 1257#############################################################################
807# command handling &c 1258# command handling &c
808 1259
809=item cf::register_command $name => \&callback($ob,$args); 1260=item cf::register_command $name => \&callback($ob,$args);
… …
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1273 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1274}
824 1275
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1276=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1277
827Register 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.
828 1283
829If 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
830called. 1285called.
831 1286
1287=item cf::register_exticmd $name => \&callback($ns,$packet);
1288
1289Register a callback for execution when the client sends an (asynchronous)
1290exticmd packet. Exti commands are processed by the server as soon as they
1291are received, i.e. out of order w.r.t. other commands. The first argument
1292is a client socket. Exti commands can be received anytime, even before
1293log-in.
1294
1295If the callback returns something, it is sent back as if reply was being
1296called.
1297
832=cut 1298=cut
833 1299
834sub register_extcmd { 1300sub register_extcmd {
835 my ($name, $cb) = @_; 1301 my ($name, $cb) = @_;
836 1302
837 $EXTCMD{$name} = $cb; 1303 $EXTCMD{$name} = $cb;
838} 1304}
839 1305
1306sub register_exticmd {
1307 my ($name, $cb) = @_;
1308
1309 $EXTICMD{$name} = $cb;
1310}
1311
1312use File::Glob ();
1313
840cf::player->attach ( 1314cf::player->attach (
841 on_command => sub { 1315 on_unknown_command => sub {
842 my ($pl, $name, $params) = @_; 1316 my ($pl, $name, $params) = @_;
843 1317
844 my $cb = $COMMAND{$name} 1318 my $cb = $COMMAND{$name}
845 or return; 1319 or return;
846 1320
… …
851 cf::override; 1325 cf::override;
852 }, 1326 },
853 on_extcmd => sub { 1327 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1328 my ($pl, $buf) = @_;
855 1329
856 my $msg = eval { from_json $buf }; 1330 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1331
858 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
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1340 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1341 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1342 }
1343
1344 $pl->ext_reply ($reply, @reply)
1345 if $reply;
1346
864 } else { 1347 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1348 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1349 }
867 1350
868 cf::override; 1351 cf::override;
869 }, 1352 },
870); 1353);
871 1354
1355# "readahead" all extensions
872sub load_extension { 1356sub cache_extensions {
873 my ($path) = @_; 1357 my $grp = IO::AIO::aio_group;
874 1358
875 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1359 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876 my $base = $1; 1360 for (grep /\.ext$/, @{$_[0]}) {
877 my $pkg = $1; 1361 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878 $pkg =~ s/[^[:word:]]/_/g;
879 $pkg = "ext::$pkg";
880
881 warn "... loading '$path' into '$pkg'\n";
882
883 open my $fh, "<:utf8", $path
884 or die "$path: $!";
885
886 my $source =
887 "package $pkg; use strict; use utf8;\n"
888 . "#line 1 \"$path\"\n{\n"
889 . (do { local $/; <$fh> })
890 . "\n};\n1";
891
892 unless (eval $source) {
893 my $msg = $@ ? "$path: $@\n"
894 : "extension disabled.\n";
895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896 warn $@;
897 warn "mandatory extension failed to load, exiting.\n";
898 exit 1;
899 } 1362 }
900 die $@;
901 } 1363 };
902 1364
903 push @EXTS, $pkg; 1365 $grp
904} 1366}
905 1367
906sub load_extensions { 1368sub load_extensions {
1369 cf::sync_job {
1370 my %todo;
1371
907 for my $ext (<$LIBDIR/*.ext>) { 1372 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1373 next unless -r $path;
909 eval { 1374
910 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 $active;
1434 }
911 1 1435 }
912 } or warn "$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 }
913 } 1446 };
914} 1447}
915 1448
916############################################################################# 1449#############################################################################
917 1450
1451=back
1452
918=head2 CORE EXTENSIONS 1453=head2 CORE EXTENSIONS
919 1454
920Functions and methods that extend core crossfire objects. 1455Functions and methods that extend core deliantra objects.
921 1456
922=cut 1457=cut
923 1458
924package cf::player; 1459package cf::player;
925 1460
… …
927 1462
928=head3 cf::player 1463=head3 cf::player
929 1464
930=over 4 1465=over 4
931 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
932=item cf::player::find $login 1481=item cf::player::find $login
933 1482
934Returns the given player object, loading it if necessary (might block). 1483Returns the given player object, loading it if necessary (might block).
935 1484
936=cut 1485=cut
937 1486
938sub playerdir($) { 1487sub playerdir($) {
939 cf::localdir 1488 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1489 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1490}
945 1491
946sub path($) { 1492sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1493 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1494
949 (playerdir $login) . "/$login.pl" 1495 (playerdir $login) . "/playerdata"
950} 1496}
951 1497
952sub find_active($) { 1498sub find_active($) {
953 $cf::PLAYER{$_[0]} 1499 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1500 and $cf::PLAYER{$_[0]}->active
… …
957 1503
958sub exists($) { 1504sub exists($) {
959 my ($login) = @_; 1505 my ($login) = @_;
960 1506
961 $cf::PLAYER{$login} 1507 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 1508 or !aio_stat path $login
963} 1509}
964 1510
965sub find($) { 1511sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1512 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1513 my $login = $_[0];
968 1514
969 my $guard = cf::lock_acquire "user_find:$login"; 1515 my $guard = cf::lock_acquire "user_find:$login";
970 1516
971 $cf::PLAYER{$_[0]} || do { 1517 $cf::PLAYER{$_[0]} || do {
972 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
973 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;
974 $cf::PLAYER{$login} = $pl 1533 $cf::PLAYER{$login} = $pl
975 } 1534 }
976 } 1535 }
977} 1536}
1537
1538cf::player->attach (
1539 on_load => sub {
1540 my ($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);
978 1550
979sub save($) { 1551sub save($) {
980 my ($pl) = @_; 1552 my ($pl) = @_;
981 1553
982 return if $pl->{deny_save}; 1554 return if $pl->{deny_save};
… …
987 return if $pl->{deny_save}; 1559 return if $pl->{deny_save};
988 1560
989 aio_mkdir playerdir $pl, 0770; 1561 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1562 $pl->{last_save} = $cf::RUNTIME;
991 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
992 $pl->save_pl ($path); 1569 $pl->save_pl ($path);
993 Coro::cede; 1570 cf::cede_to_tick;
994} 1571}
995 1572
996sub new($) { 1573sub new($) {
997 my ($login) = @_; 1574 my ($login) = @_;
998 1575
… …
1004 $cf::PLAYER{$login} = $self; 1581 $cf::PLAYER{$login} = $self;
1005 1582
1006 $self 1583 $self
1007} 1584}
1008 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
1009=item $pl->quit_character 1596=item $pl->quit_character
1010 1597
1011Nukes the player without looking back. If logged in, the connection will 1598Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1599be destroyed. May block for a long time.
1013 1600
1014=cut 1601=cut
1015 1602
1016sub quit_character { 1603sub quit_character {
1017 my ($pl) = @_; 1604 my ($pl) = @_;
1018 1605
1606 my $name = $pl->ob->name;
1607
1019 $pl->{deny_save} = 1; 1608 $pl->{deny_save} = 1;
1020 $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
1021 1610
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1611 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023 $pl->deactivate; 1612 $pl->deactivate;
1613 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1614 $pl->ob->check_score;
1024 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1615 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1025 $pl->ns->destroy if $pl->ns; 1616 $pl->ns->destroy if $pl->ns;
1026 1617
1027 my $path = playerdir $pl; 1618 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1619 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1620 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1621 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1622 $pl->destroy;
1623
1624 my $prefix = qr<^~\Q$name\E/>;
1625
1626 # nuke player maps
1627 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1628
1032 IO::AIO::aio_rmtree $temp; 1629 IO::AIO::aio_rmtree $temp;
1630}
1631
1632=item $pl->kick
1633
1634Kicks a player out of the game. This destroys the connection.
1635
1636=cut
1637
1638sub kick {
1639 my ($pl, $kicker) = @_;
1640
1641 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1642 $pl->killer ("kicked");
1643 $pl->ns->destroy;
1033} 1644}
1034 1645
1035=item cf::player::list_logins 1646=item cf::player::list_logins
1036 1647
1037Returns 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
1038while and may block, so not sync_job-capable, ever. 1649while and may block, so not sync_job-capable, ever.
1039 1650
1040=cut 1651=cut
1041 1652
1042sub list_logins { 1653sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1654 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1655 or return [];
1045 1656
1046 my @logins; 1657 my @logins;
1047 1658
1048 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") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1665 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1666 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1667 $buf !~ /^password -------------$/m or next; # official not-valid tag
1668 }
1052 1669
1053 utf8::decode $login; 1670 utf8::decode $login;
1054 push @logins, $login; 1671 push @logins, $login;
1055 } 1672 }
1056 1673
… …
1064 1681
1065=cut 1682=cut
1066 1683
1067sub maps($) { 1684sub maps($) {
1068 my ($pl) = @_; 1685 my ($pl) = @_;
1686
1687 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1688
1070 my $files = aio_readdir playerdir $pl 1689 my $files = aio_readdir playerdir $pl
1071 or return; 1690 or return;
1072 1691
1073 my @paths; 1692 my @paths;
… …
1075 for (@$files) { 1694 for (@$files) {
1076 utf8::decode $_; 1695 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1696 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1697 next unless /^$PATH_SEP/o;
1079 1698
1080 s/\.map$//; 1699 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1700 }
1083 1701
1084 \@paths 1702 \@paths
1085} 1703}
1086 1704
1705=item $protocol_xml = $player->expand_cfpod ($cfpod)
1706
1707Expand deliantra pod fragments into protocol xml.
1708
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1709=item $player->ext_reply ($msgid, @msg)
1088 1710
1089Sends an ext reply to the player. 1711Sends an ext reply to the player.
1090 1712
1091=cut 1713=cut
1092 1714
1093sub ext_reply($$$%) { 1715sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1716 my ($self, $id, @msg) = @_;
1095 1717
1096 $msg{msgid} = $id; 1718 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1719}
1100 1720
1101package 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}
1102 1761
1103=back 1762=back
1104
1105 1763
1106=head3 cf::map 1764=head3 cf::map
1107 1765
1108=over 4 1766=over 4
1109 1767
… …
1113 1771
1114use Fcntl; 1772use Fcntl;
1115use Coro::AIO; 1773use Coro::AIO;
1116 1774
1117use overload 1775use overload
1118 '""' => \&as_string; 1776 '""' => \&as_string,
1777 fallback => 1;
1119 1778
1120our $MAX_RESET = 3600; 1779our $MAX_RESET = 3600;
1121our $DEFAULT_RESET = 3000; 1780our $DEFAULT_RESET = 3000;
1122 1781
1123sub generate_random_map { 1782sub generate_random_map {
1124 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
1125 1786
1126 # mit "rum" bekleckern, nicht 1787 # mit "rum" bekleckern, nicht
1127 $self->_create_random_map ( 1788 $self->_create_random_map (
1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1789 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1790 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1791 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{exit_on_final_map}, 1792 $rmp->{exit_on_final_map},
1132 $rmp->{xsize}, $rmp->{ysize}, 1793 $rmp->{xsize}, $rmp->{ysize},
1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1794 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1795 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1798 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}), $rmp->{custom} 1799 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 ) 1800 )
1140} 1801}
1141 1802
1803=item cf::map->register ($regex, $prio)
1804
1805Register a handler for the map path matching the given regex at the
1806givne priority (higher is better, built-in handlers have priority 0, the
1807default).
1808
1809=cut
1810
1142sub register { 1811sub register {
1143 my (undef, $regex) = @_; 1812 my (undef, $regex, $prio) = @_;
1144 my $pkg = caller; 1813 my $pkg = caller;
1145 1814
1146 no strict; 1815 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__; 1816 push @{"$pkg\::ISA"}, __PACKAGE__;
1148 1817
1149 $EXT_MAP{$pkg} = qr<$regex>; 1818 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150} 1819}
1151 1820
1152# also paths starting with '/' 1821# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1822$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154 1823
1155sub thawer_merge { 1824sub thawer_merge {
1156 my ($self, $merge) = @_; 1825 my ($self, $merge) = @_;
1157 1826
1158 # we have to keep some variables in memory intact 1827 # we have to keep some variables in memory intact
1159 local $self->{path}; 1828 local $self->{path};
1160 local $self->{load_path}; 1829 local $self->{load_path};
1161 local $self->{deny_save};
1162 local $self->{deny_reset};
1163 1830
1164 $self->SUPER::thawer_merge ($merge); 1831 $self->SUPER::thawer_merge ($merge);
1165} 1832}
1166 1833
1167sub normalise { 1834sub normalise {
1168 my ($path, $base) = @_; 1835 my ($path, $base) = @_;
1836
1837 $path = "$path"; # make sure its a string
1838
1839 $path =~ s/\.map$//;
1169 1840
1170 # map plan: 1841 # map plan:
1171 # 1842 #
1172 # /! non-realised random map exit (special hack!) 1843 # /! non-realised random map exit (special hack!)
1173 # {... are special paths that are not being touched 1844 # {... are special paths that are not being touched
… …
1201 1872
1202 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1873 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203 1874
1204 $path = normalise $path, $base; 1875 $path = normalise $path, $base;
1205 1876
1206 for my $pkg (keys %EXT_MAP) { 1877 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207 if ($path =~ $EXT_MAP{$pkg}) { 1878 if ($path =~ $EXT_MAP{$pkg}[1]) {
1208 my $self = bless cf::map::new, $pkg; 1879 my $self = bless cf::map::new, $pkg;
1209 $self->{path} = $path; $self->path ($path); 1880 $self->{path} = $path; $self->path ($path);
1210 $self->init; # pass $1 etc. 1881 $self->init; # pass $1 etc.
1211 return $self; 1882 return $self;
1212 } 1883 }
1213 } 1884 }
1214 1885
1215 Carp::carp "unable to resolve path '$path'."; 1886 Carp::cluck "unable to resolve path '$path' (base '$base').";
1216 () 1887 ()
1217} 1888}
1218 1889
1219sub init { 1890sub init {
1220 my ($self) = @_; 1891 my ($self) = @_;
… …
1235 1906
1236# the original (read-only) location 1907# the original (read-only) location
1237sub load_path { 1908sub load_path {
1238 my ($self) = @_; 1909 my ($self) = @_;
1239 1910
1240 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1911 "$MAPDIR/$self->{path}.map"
1241} 1912}
1242 1913
1243# the temporary/swap location 1914# the temporary/swap location
1244sub save_path { 1915sub save_path {
1245 my ($self) = @_; 1916 my ($self) = @_;
1246 1917
1247 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1918 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1919 "$TMPDIR/$path.map"
1249} 1920}
1250 1921
1251# the unique path, undef == no special unique path 1922# the unique path, undef == no special unique path
1252sub uniq_path { 1923sub uniq_path {
1253 my ($self) = @_; 1924 my ($self) = @_;
1254 1925
1255 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1926 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1927 "$UNIQUEDIR/$path"
1257} 1928}
1258 1929
1259# and all this just because we cannot iterate over 1930sub decay_objects {
1260# all maps in C++...
1261sub change_all_map_light {
1262 my ($change) = @_; 1931 my ($self) = @_;
1263 1932
1264 $_->change_map_light ($change) 1933 return if $self->{deny_reset};
1265 for grep $_->outdoor, values %cf::MAP; 1934
1935 $self->do_decay_objects;
1266} 1936}
1267 1937
1268sub unlink_save { 1938sub unlink_save {
1269 my ($self) = @_; 1939 my ($self) = @_;
1270 1940
… …
1275 1945
1276sub load_header_from($) { 1946sub load_header_from($) {
1277 my ($self, $path) = @_; 1947 my ($self, $path) = @_;
1278 1948
1279 utf8::encode $path; 1949 utf8::encode $path;
1280 aio_open $path, O_RDONLY, 0 1950 my $f = new_from_file cf::object::thawer $path
1281 or return; 1951 or return;
1282 1952
1283 $self->_load_header ($path) 1953 $self->_load_header ($f)
1284 or return; 1954 or return;
1285 1955
1956 local $MAP_LOADING{$self->{path}} = $self;
1957 $f->resolve_delayed_derefs;
1958
1286 $self->{load_path} = $path; 1959 $self->{load_path} = $path;
1287 1960
1288 1 1961 1
1289} 1962}
1290 1963
1291sub load_orig { 1964sub load_header_orig {
1292 my ($self) = @_; 1965 my ($self) = @_;
1293 1966
1294 $self->load_header_from ($self->load_path) 1967 $self->load_header_from ($self->load_path)
1295} 1968}
1296 1969
1297sub load_temp { 1970sub load_header_temp {
1298 my ($self) = @_; 1971 my ($self) = @_;
1299 1972
1300 $self->load_header_from ($self->save_path) 1973 $self->load_header_from ($self->save_path)
1974}
1975
1976sub prepare_temp {
1977 my ($self) = @_;
1978
1979 $self->last_access ((delete $self->{last_access})
1980 || $cf::RUNTIME); #d#
1981 # safety
1982 $self->{instantiate_time} = $cf::RUNTIME
1983 if $self->{instantiate_time} > $cf::RUNTIME;
1984}
1985
1986sub prepare_orig {
1987 my ($self) = @_;
1988
1989 $self->{load_original} = 1;
1990 $self->{instantiate_time} = $cf::RUNTIME;
1991 $self->last_access ($cf::RUNTIME);
1992 $self->instantiate;
1301} 1993}
1302 1994
1303sub load_header { 1995sub load_header {
1304 my ($self) = @_; 1996 my ($self) = @_;
1305 1997
1306 if ($self->load_temp) { 1998 if ($self->load_header_temp) {
1307 $self->last_access ((delete $self->{last_access}) 1999 $self->prepare_temp;
1308 || $cf::RUNTIME); #d#
1309 # safety
1310 $self->{instantiate_time} = $cf::RUNTIME
1311 if $self->{instantiate_time} > $cf::RUNTIME;
1312 } else { 2000 } else {
1313 $self->load_orig 2001 $self->load_header_orig
1314 or return; 2002 or return;
1315 2003 $self->prepare_orig;
1316 $self->{load_original} = 1;
1317 $self->{instantiate_time} = $cf::RUNTIME;
1318 $self->last_access ($cf::RUNTIME);
1319 $self->instantiate;
1320 } 2004 }
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;
1321 2011
1322 1 2012 1
1323} 2013}
1324 2014
1325sub find; 2015sub find;
1326sub find { 2016sub find {
1327 my ($path, $origin) = @_; 2017 my ($path, $origin) = @_;
1328 2018
1329 $path = normalise $path, $origin && $origin->path; 2019 $path = normalise $path, $origin && $origin->path;
1330 2020
2021 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331 cf::lock_wait "map_find:$path"; 2022 my $guard2 = cf::lock_acquire "map_find:$path";
1332 2023
1333 $cf::MAP{$path} || do { 2024 $cf::MAP{$path} || do {
1334 my $guard = cf::lock_acquire "map_find:$path";
1335 my $map = new_from_path cf::map $path 2025 my $map = new_from_path cf::map $path
1336 or return; 2026 or return;
1337 2027
1338 $map->{last_save} = $cf::RUNTIME; 2028 $map->{last_save} = $cf::RUNTIME;
1339 2029
1340 $map->load_header 2030 $map->load_header
1341 or return; 2031 or return;
1342 2032
1343 if ($map->should_reset) { 2033 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2034 # doing this can freeze the server in a sync job, obviously
1344 $cf::WAIT_FOR_TICK->wait; 2035 #$cf::WAIT_FOR_TICK->wait;
2036 undef $guard2;
2037 undef $guard1;
1345 $map->reset; 2038 $map->reset;
1346 undef $guard;
1347 $map = find $path 2039 return find $path;
1348 or return;
1349 } 2040 }
1350 2041
1351 $cf::MAP{$path} = $map 2042 $cf::MAP{$path} = $map
1352 } 2043 }
1353} 2044}
2045
2046sub pre_load { }
2047#sub post_load { } # XS
1354 2048
1355sub load { 2049sub load {
1356 my ($self) = @_; 2050 my ($self) = @_;
1357 2051
2052 local $self->{deny_reset} = 1; # loading can take a long time
2053
1358 my $path = $self->{path}; 2054 my $path = $self->{path};
2055
2056 {
1359 my $guard = cf::lock_acquire "map_load:$path"; 2057 my $guard = cf::lock_acquire "map_data:$path";
1360 2058
2059 return unless $self->valid;
1361 return if $self->in_memory != cf::MAP_SWAPPED; 2060 return unless $self->in_memory == cf::MAP_SWAPPED;
1362 2061
1363 $self->in_memory (cf::MAP_LOADING); 2062 $self->in_memory (cf::MAP_LOADING);
1364 2063
1365 $self->alloc; 2064 $self->alloc;
1366 $self->_load_objects ($self->{load_path}, 1) 2065
2066 $self->pre_load;
2067 cf::cede_to_tick;
2068
2069 my $f = new_from_file cf::object::thawer $self->{load_path};
2070 $f->skip_block;
2071 $self->_load_objects ($f)
1367 or return; 2072 or return;
1368 2073
1369 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2074 $self->post_load_original
1370 if delete $self->{load_original}; 2075 if delete $self->{load_original};
1371 2076
1372 if (my $uniq = $self->uniq_path) { 2077 if (my $uniq = $self->uniq_path) {
1373 utf8::encode $uniq; 2078 utf8::encode $uniq;
1374 if (aio_open $uniq, O_RDONLY, 0) { 2079 unless (aio_stat $uniq) {
2080 if (my $f = new_from_file cf::object::thawer $uniq) {
1375 $self->clear_unique_items; 2081 $self->clear_unique_items;
1376 $self->_load_objects ($uniq, 0); 2082 $self->_load_objects ($f);
2083 $f->resolve_delayed_derefs;
2084 }
1377 } 2085 }
1378 } 2086 }
1379 2087
1380 Coro::cede; 2088 $f->resolve_delayed_derefs;
1381 2089
2090 cf::cede_to_tick;
1382 # now do the right thing for maps 2091 # now do the right thing for maps
1383 $self->link_multipart_objects; 2092 $self->link_multipart_objects;
1384
1385 unless ($self->{deny_activate}) {
1386 $self->decay_objects;
1387 $self->fix_auto_apply;
1388 $self->update_buttons;
1389 Coro::cede;
1390 $self->set_darkness_map;
1391 $self->difficulty ($self->estimate_difficulty) 2093 $self->difficulty ($self->estimate_difficulty)
1392 unless $self->difficulty; 2094 unless $self->difficulty;
1393 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;
1394 $self->activate; 2102 $self->activate;
1395 } 2103 }
1396 2104
2105 $self->{last_save} = $cf::RUNTIME;
2106 $self->last_access ($cf::RUNTIME);
2107
1397 $self->in_memory (cf::MAP_IN_MEMORY); 2108 $self->in_memory (cf::MAP_ACTIVE);
1398} 2109 }
1399 2110
2111 $self->post_load;
2112}
2113
2114# customize the map for a given player, i.e.
2115# return the _real_ map. used by e.g. per-player
2116# maps to change the path to ~playername/mappath
1400sub customise_for { 2117sub customise_for {
1401 my ($self, $ob) = @_; 2118 my ($self, $ob) = @_;
1402 2119
1403 return find "~" . $ob->name . "/" . $self->{path} 2120 return find "~" . $ob->name . "/" . $self->{path}
1404 if $self->per_player; 2121 if $self->per_player;
1405 2122
2123# return find "?party/" . $ob->name . "/" . $self->{path}
2124# if $self->per_party;
2125
1406 $self 2126 $self
1407} 2127}
1408 2128
1409# 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
1410sub load_diag { 2130sub load_neighbours {
1411 my ($map) = @_; 2131 my ($map) = @_;
1412 2132
1413 my @diag; # diagonal neighbours 2133 my @neigh; # diagonal neighbours
1414 2134
1415 for (0 .. 3) { 2135 for (0 .. 3) {
1416 my $neigh = $map->tile_path ($_) 2136 my $neigh = $map->tile_path ($_)
1417 or next; 2137 or next;
1418 $neigh = find $neigh, $map 2138 $neigh = find $neigh, $map
1419 or next; 2139 or next;
1420 $neigh->load; 2140 $neigh->load;
1421 2141
2142 push @neigh,
1422 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2143 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1423 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2144 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1424 } 2145 }
1425 2146
1426 for (@diag) { 2147 for (grep defined $_->[0], @neigh) {
2148 my ($path, $origin) = @$_;
1427 my $neigh = find @$_ 2149 my $neigh = find $path, $origin
1428 or next; 2150 or next;
1429 $neigh->load; 2151 $neigh->load;
1430 } 2152 }
1431} 2153}
1432 2154
… …
1437} 2159}
1438 2160
1439sub do_load_sync { 2161sub do_load_sync {
1440 my ($map) = @_; 2162 my ($map) = @_;
1441 2163
2164 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2165 if $Coro::current == $Coro::main;
2166
1442 cf::sync_job { $map->load }; 2167 cf::sync_job { $map->load };
1443} 2168}
1444 2169
1445our %MAP_PREFETCH; 2170our %MAP_PREFETCH;
1446our $MAP_PREFETCHER = Coro::async { 2171our $MAP_PREFETCHER = undef;
1447 while () {
1448 for my $path (keys %MAP_PREFETCH) {
1449 my $map = find $path
1450 or next;
1451 $map->load;
1452
1453 delete $MAP_PREFETCH{$path};
1454 }
1455 Coro::schedule;
1456 }
1457};
1458 2172
1459sub find_async { 2173sub find_async {
1460 my ($path, $origin) = @_; 2174 my ($path, $origin, $load) = @_;
1461 2175
1462 $path = normalise $path, $origin && $origin->{path}; 2176 $path = normalise $path, $origin && $origin->{path};
1463 2177
1464 if (my $map = $cf::MAP{$path}) { 2178 if (my $map = $cf::MAP{$path}) {
1465 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2179 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2180 }
2181
2182 $MAP_PREFETCH{$path} |= $load;
2183
2184 $MAP_PREFETCHER ||= cf::async {
2185 $Coro::current->{desc} = "map prefetcher";
2186
2187 while (%MAP_PREFETCH) {
2188 while (my ($k, $v) = each %MAP_PREFETCH) {
2189 if (my $map = find $k) {
2190 $map->load if $v;
2191 }
2192
2193 delete $MAP_PREFETCH{$k};
2194 }
2195 }
2196 undef $MAP_PREFETCHER;
1466 } 2197 };
1467
1468 $MAP_PREFETCH{$path} = 0;
1469 $MAP_PREFETCHER->ready; 2198 $MAP_PREFETCHER->prio (6);
1470 2199
1471 () 2200 ()
1472} 2201}
1473 2202
1474sub save { 2203sub save {
1475 my ($self) = @_; 2204 my ($self) = @_;
1476 2205
1477 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1478 2207
1479 $self->{last_save} = $cf::RUNTIME; 2208 $self->{last_save} = $cf::RUNTIME;
1480 2209
1481 return unless $self->dirty; 2210 return unless $self->dirty;
1482 2211
… …
1488 return if $self->{deny_save}; 2217 return if $self->{deny_save};
1489 2218
1490 local $self->{last_access} = $self->last_access;#d# 2219 local $self->{last_access} = $self->last_access;#d#
1491 2220
1492 cf::async { 2221 cf::async {
2222 $Coro::current->{desc} = "map player save";
1493 $_->contr->save for $self->players; 2223 $_->contr->save for $self->players;
1494 }; 2224 };
2225
2226 cf::get_slot 0.02;
1495 2227
1496 if ($uniq) { 2228 if ($uniq) {
1497 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2229 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2230 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1499 } else { 2231 } else {
… …
1505 my ($self) = @_; 2237 my ($self) = @_;
1506 2238
1507 # save first because save cedes 2239 # save first because save cedes
1508 $self->save; 2240 $self->save;
1509 2241
1510 my $lock = cf::lock_acquire "map_data:" . $self->path; 2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
1511 2243
1512 return if $self->players; 2244 return if $self->players;
1513 return if $self->in_memory != cf::MAP_IN_MEMORY; 2245 return if $self->in_memory != cf::MAP_ACTIVE;
1514 return if $self->{deny_save}; 2246 return if $self->{deny_save};
1515 2247
2248 $self->in_memory (cf::MAP_SWAPPED);
2249
2250 $self->deactivate;
2251 $_->clear_links_to ($self) for values %cf::MAP;
1516 $self->clear; 2252 $self->clear;
1517 $self->in_memory (cf::MAP_SWAPPED);
1518} 2253}
1519 2254
1520sub reset_at { 2255sub reset_at {
1521 my ($self) = @_; 2256 my ($self) = @_;
1522 2257
1523 # TODO: safety, remove and allow resettable per-player maps 2258 # TODO: safety, remove and allow resettable per-player maps
1524 return 1e99 if $self->isa ("ext::map_per_player");#d#
1525 return 1e99 if $self->{deny_reset}; 2259 return 1e99 if $self->{deny_reset};
1526 2260
1527 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2261 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528 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;
1529 2263
… …
1534 my ($self) = @_; 2268 my ($self) = @_;
1535 2269
1536 $self->reset_at <= $cf::RUNTIME 2270 $self->reset_at <= $cf::RUNTIME
1537} 2271}
1538 2272
1539sub rename {
1540 my ($self, $new_path) = @_;
1541
1542 normalise $new_path;
1543
1544 $self->unlink_save;
1545
1546 delete $cf::MAP{$self->path};
1547 $self->{path} = $new_path; $self->path ($self->{path});
1548 $cf::MAP{$self->path} = $self;
1549
1550 $self->save;
1551}
1552
1553sub reset { 2273sub reset {
1554 my ($self) = @_; 2274 my ($self) = @_;
1555 2275
1556 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2276 my $lock = cf::lock_acquire "map_data:$self->{path}";
1557 2277
1558 return if $self->players; 2278 return if $self->players;
1559 return if $self->isa ("ext::map_per_player");#d#
1560 2279
1561 warn "resetting map ", $self->path;#d# 2280 warn "resetting map ", $self->path, "\n";
2281
2282 $self->in_memory (cf::MAP_SWAPPED);
2283
2284 # need to save uniques path
2285 unless ($self->{deny_save}) {
2286 my $uniq = $self->uniq_path; utf8::encode $uniq;
2287
2288 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2289 if $uniq;
2290 }
1562 2291
1563 delete $cf::MAP{$self->path}; 2292 delete $cf::MAP{$self->path};
1564 2293
1565 $self->in_memory (cf::MAP_SWAPPED); 2294 $self->deactivate;
2295 $_->clear_links_to ($self) for values %cf::MAP;
1566 $self->clear; 2296 $self->clear;
1567
1568 $_->clear_links_to ($self) for values %cf::MAP;
1569 2297
1570 $self->unlink_save; 2298 $self->unlink_save;
1571 $self->destroy; 2299 $self->destroy;
1572} 2300}
1573 2301
1574my $nuke_counter = "aaaa"; 2302my $nuke_counter = "aaaa";
1575 2303
1576sub nuke { 2304sub nuke {
1577 my ($self) = @_; 2305 my ($self) = @_;
1578 2306
2307 {
2308 my $lock = cf::lock_acquire "map_data:$self->{path}";
2309
2310 delete $cf::MAP{$self->path};
2311
2312 $self->unlink_save;
2313
2314 bless $self, "cf::map";
2315 delete $self->{deny_reset};
1579 $self->{deny_save} = 1; 2316 $self->{deny_save} = 1;
1580 $self->reset_timeout (1); 2317 $self->reset_timeout (1);
1581 $self->rename ("{nuke}/" . ($nuke_counter++)); 2318 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2319
2320 $cf::MAP{$self->path} = $self;
2321 }
2322
1582 $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 ]
1583} 2360}
1584 2361
1585=item cf::map::unique_maps 2362=item cf::map::unique_maps
1586 2363
1587Returns an arrayref of paths of all shared maps that have 2364Returns an arrayref of paths of all shared maps that have
1588instantiated unique items. May block. 2365instantiated unique items. May block.
1589 2366
1590=cut 2367=cut
1591 2368
1592sub unique_maps() { 2369sub unique_maps() {
1593 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2370 [
1594 or return; 2371 map {
1595
1596 my @paths;
1597
1598 for (@$files) {
1599 utf8::decode $_; 2372 utf8::decode $_;
1600 next if /\.pst$/; 2373 s/\.map$//; # TODO future compatibility hack
1601 next unless /^$PATH_SEP/o; 2374 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2375 ? ()
2376 : normalise $_
2377 } @{ aio_readdir $UNIQUEDIR or [] }
2378 ]
2379}
1602 2380
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) {
1603 s/\.map$//; 2402 s/\.map$// or next;
1604 push @paths, $_; 2403 utf8::decode $_;
1605 } 2404 push @maps, "$dir/$_";
2405 }
1606 2406
1607 \@paths 2407 push @dirs, map "$dir/$_", @$dirs;
1608} 2408 }
1609 2409
1610package cf; 2410 \@maps
2411}
1611 2412
1612=back 2413=back
1613 2414
1614=head3 cf::object 2415=head3 cf::object
1615 2416
… …
1619 2420
1620=over 4 2421=over 4
1621 2422
1622=item $ob->inv_recursive 2423=item $ob->inv_recursive
1623 2424
1624Returns 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.
1625 2427
1626=cut 2428=cut
1627 2429
1628sub inv_recursive_; 2430sub inv_recursive_;
1629sub inv_recursive_ { 2431sub inv_recursive_ {
… …
1632 2434
1633sub inv_recursive { 2435sub inv_recursive {
1634 inv_recursive_ inv $_[0] 2436 inv_recursive_ inv $_[0]
1635} 2437}
1636 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
1637package cf; 2467package cf;
1638 2468
1639=back 2469=back
1640 2470
1641=head3 cf::object::player 2471=head3 cf::object::player
… …
1647Sends 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>
1648can 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
1649dialogue with the given NPC character. 2479dialogue with the given NPC character.
1650 2480
1651=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};
1652 2496
1653# rough implementation of a future "reply" method that works 2497# rough implementation of a future "reply" method that works
1654# with dialog boxes. 2498# with dialog boxes.
1655#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
1656sub cf::object::player::reply($$$;$) { 2500sub cf::object::player::reply($$$;$) {
… …
1658 2502
1659 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2503 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1660 2504
1661 if ($self->{record_replies}) { 2505 if ($self->{record_replies}) {
1662 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2506 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2507
1663 } 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 {
1664 $msg = $npc->name . " says: $msg" if $npc; 2516 $msg = $npc->name . " says: $msg" if $npc;
1665 $self->message ($msg, $flags); 2517 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2518 }
1666 } 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 (@_);
1667} 2530}
1668 2531
1669=item $player_object->may ("access") 2532=item $player_object->may ("access")
1670 2533
1671Returns wether the given player is authorized to access resource "access" 2534Returns wether the given player is authorized to access resource "access"
… …
1684 2547
1685=item $player_object->enter_link 2548=item $player_object->enter_link
1686 2549
1687Freezes 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}>).
1688 2551
1689The 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.
1690I<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.
1691 2556
1692Will never block. 2557Will never block.
1693 2558
1694=item $player_object->leave_link ($map, $x, $y) 2559=item $player_object->leave_link ($map, $x, $y)
1695 2560
… …
1703=cut 2568=cut
1704 2569
1705sub link_map { 2570sub link_map {
1706 unless ($LINK_MAP) { 2571 unless ($LINK_MAP) {
1707 $LINK_MAP = cf::map::find "{link}" 2572 $LINK_MAP = cf::map::find "{link}"
1708 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2573 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1709 $LINK_MAP->load; 2574 $LINK_MAP->load;
1710 } 2575 }
1711 2576
1712 $LINK_MAP 2577 $LINK_MAP
1713} 2578}
… …
1718 $self->deactivate_recursive; 2583 $self->deactivate_recursive;
1719 2584
1720 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2585 return if UNIVERSAL::isa $self->map, "ext::map_link";
1721 2586
1722 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2587 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1723 if $self->map; 2588 if $self->map && $self->map->{path} ne "{link}";
1724 2589
1725 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2590 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1726} 2591}
1727 2592
1728sub cf::object::player::leave_link { 2593sub cf::object::player::leave_link {
1729 my ($self, $map, $x, $y) = @_; 2594 my ($self, $map, $x, $y) = @_;
2595
2596 return unless $self->contr->active;
1730 2597
1731 my $link_pos = delete $self->{_link_pos}; 2598 my $link_pos = delete $self->{_link_pos};
1732 2599
1733 unless ($map) { 2600 unless ($map) {
1734 # restore original map position 2601 # restore original map position
… …
1745 ($x, $y) = (-1, -1) 2612 ($x, $y) = (-1, -1)
1746 unless (defined $x) && (defined $y); 2613 unless (defined $x) && (defined $y);
1747 2614
1748 # use -1 or undef as default coordinates, not 0, 0 2615 # use -1 or undef as default coordinates, not 0, 0
1749 ($x, $y) = ($map->enter_x, $map->enter_y) 2616 ($x, $y) = ($map->enter_x, $map->enter_y)
1750 if $x <=0 && $y <= 0; 2617 if $x <= 0 && $y <= 0;
1751 2618
1752 $map->load; 2619 $map->load;
1753 $map->load_diag; 2620 $map->load_neighbours;
1754 2621
1755 return unless $self->contr->active; 2622 return unless $self->contr->active;
2623
2624 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2625 $self->enter_map ($map, $x, $y);
2626
2627 # only activate afterwards, to support waiting in hooks
1756 $self->activate_recursive; 2628 $self->activate_recursive;
1757 $self->enter_map ($map, $x, $y);
1758} 2629}
1759 2630
1760cf::player->attach ( 2631=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1761 on_logout => sub {
1762 my ($pl) = @_;
1763 2632
1764 # abort map switching before logout 2633Moves the player to the given map-path and coordinates by first freezing
1765 if ($pl->ob->{_link_pos}) { 2634her, loading and preparing them map, calling the provided $check callback
1766 cf::sync_job { 2635that has to return the map if sucecssful, and then unfreezes the player on
1767 $pl->ob->leave_link 2636the new (success) or old (failed) map position. In either case, $done will
1768 }; 2637be called at the end of this process.
1769 }
1770 },
1771 on_login => sub {
1772 my ($pl) = @_;
1773 2638
1774 # try to abort aborted map switching on player login :) 2639Note that $check will be called with a potentially non-loaded map, so if
1775 # should happen only on crashes 2640it needs a loaded map it has to call C<< ->load >>.
1776 if ($pl->ob->{_link_pos}) {
1777 $pl->ob->enter_link;
1778 (async {
1779 # we need this sleep as the login has a concurrent enter_exit running
1780 # and this sleep increases chances of the player not ending up in scorn
1781 $pl->ob->reply (undef,
1782 "There was an internal problem at your last logout, "
1783 . "the server will try to bring you to your intended destination in a second.",
1784 cf::NDI_RED);
1785 Coro::Timer::sleep 1;
1786 $pl->ob->leave_link;
1787 })->prio (2);
1788 }
1789 },
1790);
1791 2641
1792=item $player_object->goto ($path, $x, $y)
1793
1794=cut 2642=cut
2643
2644our $GOTOGEN;
1795 2645
1796sub cf::object::player::goto { 2646sub cf::object::player::goto {
1797 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;
1798 2651
1799 $self->enter_link; 2652 $self->enter_link;
1800 2653
1801 (async { 2654 (async {
1802 my $map = cf::map::find $path; 2655 $Coro::current->{desc} = "player::goto $path $x $y";
2656
2657 # *tag paths override both path and x|y
2658 if ($path =~ /^\*(.*)$/) {
2659 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2660 my $ob = $obs[rand @obs];
2661
2662 # see if we actually can go there
2663 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2664 $ob = $obs[rand @obs];
2665 } else {
2666 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2667 }
2668 # else put us there anyways for now #d#
2669
2670 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2671 } else {
2672 ($path, $x, $y) = (undef, undef, undef);
2673 }
2674 }
2675
2676 my $map = eval {
2677 my $map = defined $path ? cf::map::find $path : undef;
2678
2679 if ($map) {
1803 $map = $map->customise_for ($self) if $map; 2680 $map = $map->customise_for ($self);
1804 2681 $map = $check->($map) if $check && $map;
1805# warn "entering ", $map->path, " at ($x, $y)\n" 2682 } else {
1806# if $map;
1807
1808 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2683 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2684 }
1809 2685
2686 $map
2687 };
2688
2689 if ($@) {
2690 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2691 LOG llevError | logBacktrace, Carp::longmess $@;
2692 }
2693
2694 if ($gen == $self->{_goto_generation}) {
2695 delete $self->{_goto_generation};
1810 $self->leave_link ($map, $x, $y); 2696 $self->leave_link ($map, $x, $y);
2697 }
2698
2699 $done->() if $done;
1811 })->prio (1); 2700 })->prio (1);
1812} 2701}
1813 2702
1814=item $player_object->enter_exit ($exit_object) 2703=item $player_object->enter_exit ($exit_object)
1815 2704
… …
1817 2706
1818sub parse_random_map_params { 2707sub parse_random_map_params {
1819 my ($spec) = @_; 2708 my ($spec) = @_;
1820 2709
1821 my $rmp = { # defaults 2710 my $rmp = { # defaults
1822 xsize => 10, 2711 xsize => (cf::rndm 15, 40),
1823 ysize => 10, 2712 ysize => (cf::rndm 15, 40),
2713 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2714 #layout => string,
1824 }; 2715 };
1825 2716
1826 for (split /\n/, $spec) { 2717 for (split /\n/, $spec) {
1827 my ($k, $v) = split /\s+/, $_, 2; 2718 my ($k, $v) = split /\s+/, $_, 2;
1828 2719
… …
1840 # that depends on the exit object 2731 # that depends on the exit object
1841 2732
1842 my $rmp = parse_random_map_params $exit->msg; 2733 my $rmp = parse_random_map_params $exit->msg;
1843 2734
1844 if ($exit->map) { 2735 if ($exit->map) {
1845 $rmp->{region} = $exit->map->region_name; 2736 $rmp->{region} = $exit->region->name;
1846 $rmp->{origin_map} = $exit->map->path; 2737 $rmp->{origin_map} = $exit->map->path;
1847 $rmp->{origin_x} = $exit->x; 2738 $rmp->{origin_x} = $exit->x;
1848 $rmp->{origin_y} = $exit->y; 2739 $rmp->{origin_y} = $exit->y;
2740
2741 $exit->map->touch;
1849 } 2742 }
1850 2743
1851 $rmp->{random_seed} ||= $exit->random_seed; 2744 $rmp->{random_seed} ||= $exit->random_seed;
1852 2745
1853 my $data = cf::to_json $rmp; 2746 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1854 my $md5 = Digest::MD5::md5_hex $data; 2747 my $md5 = Digest::MD5::md5_hex $data;
2748 my $meta = "$RANDOMDIR/$md5.meta";
1855 2749
1856 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2750 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857 aio_write $fh, 0, (length $data), $data, 0; 2751 aio_write $fh, 0, (length $data), $data, 0;
2752 undef $fh;
2753 aio_rename "$meta~", $meta;
1858 2754
2755 my $slaying = "?random/$md5";
2756
2757 if ($exit->valid) {
1859 $exit->slaying ("?random/$md5"); 2758 $exit->slaying ("?random/$md5");
1860 $exit->msg (undef); 2759 $exit->msg (undef);
2760 }
1861 } 2761 }
1862} 2762}
1863 2763
1864sub cf::object::player::enter_exit { 2764sub cf::object::player::enter_exit {
1865 my ($self, $exit) = @_; 2765 my ($self, $exit) = @_;
… …
1867 return unless $self->type == cf::PLAYER; 2767 return unless $self->type == cf::PLAYER;
1868 2768
1869 $self->enter_link; 2769 $self->enter_link;
1870 2770
1871 (async { 2771 (async {
1872 $self->deactivate_recursive; # just to be sure 2772 $Coro::current->{desc} = "enter_exit";
2773
1873 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
1874 prepare_random_map $exit 2781 prepare_random_map $exit
1875 if $exit->slaying eq "/!"; 2782 if $exit->slaying eq "/!";
2783 }
1876 2784
1877 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2785 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1878 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2786 my $x = $exit->stats->hp;
2787 my $y = $exit->stats->sp;
1879 2788
2789 $self->goto ($map, $x, $y);
2790
2791 # if exit is damned, update players death & WoR home-position
2792 $self->contr->savebed ($map, $x, $y)
2793 if $exit->flag (cf::FLAG_DAMNED);
2794
1880 1; 2795 1
1881 }) { 2796 }) {
1882 $self->message ("Something went wrong deep within the crossfire server. " 2797 $self->message ("Something went wrong deep within the deliantra server. "
1883 . "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. "
1884 . "Please report this to the dungeon master!", 2799 . "Please report this to the dungeon master!",
1885 cf::NDI_UNIQUE | cf::NDI_RED); 2800 cf::NDI_UNIQUE | cf::NDI_RED);
1886 2801
1887 warn "ERROR in enter_exit: $@"; 2802 warn "ERROR in enter_exit: $@";
1888 $self->leave_link; 2803 $self->leave_link;
1889 } 2804 }
1890 })->prio (1); 2805 })->prio (1);
… …
1903 2818
1904sub cf::client::send_drawinfo { 2819sub cf::client::send_drawinfo {
1905 my ($self, $text, $flags) = @_; 2820 my ($self, $text, $flags) = @_;
1906 2821
1907 utf8::encode $text; 2822 utf8::encode $text;
1908 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2823 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909} 2824}
1910 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}
1911 3047
1912=item $success = $client->query ($flags, "text", \&cb) 3048=item $success = $client->query ($flags, "text", \&cb)
1913 3049
1914Queues a query to the client, calling the given callback with 3050Queues a query to the client, calling the given callback with
1915the 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>,
1916C<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>.
1917 3053
1918Queries 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
1919reliable at some point in the future. 3055become reliable at some point in the future.
1920 3056
1921=cut 3057=cut
1922 3058
1923sub cf::client::query { 3059sub cf::client::query {
1924 my ($self, $flags, $text, $cb) = @_; 3060 my ($self, $flags, $text, $cb) = @_;
… …
1932 utf8::encode $text; 3068 utf8::encode $text;
1933 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3069 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934 3070
1935 $self->send_packet ($self->{query_queue}[0][0]) 3071 $self->send_packet ($self->{query_queue}[0][0])
1936 if @{ $self->{query_queue} } == 1; 3072 if @{ $self->{query_queue} } == 1;
3073
3074 1
1937} 3075}
1938 3076
1939cf::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 },
1940 on_reply => sub { 3083 on_reply => sub {
1941 my ($ns, $msg) = @_; 3084 my ($ns, $msg) = @_;
1942 3085
1943 # this weird shuffling is so that direct followup queries 3086 # this weird shuffling is so that direct followup queries
1944 # get handled first 3087 # get handled first
1945 my $queue = delete $ns->{query_queue} 3088 my $queue = delete $ns->{query_queue}
1946 or return; # be conservative, not sure how that can happen, but we saw a crash here 3089 or return; # be conservative, not sure how that can happen, but we saw a crash here
1947 3090
1948 (shift @$queue)->[1]->($msg); 3091 (shift @$queue)->[1]->($msg);
3092 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949 3093
1950 push @{ $ns->{query_queue} }, @$queue; 3094 push @{ $ns->{query_queue} }, @$queue;
1951 3095
1952 if (@{ $ns->{query_queue} } == @$queue) { 3096 if (@{ $ns->{query_queue} } == @$queue) {
1953 if (@$queue) { 3097 if (@$queue) {
… …
1955 } else { 3099 } else {
1956 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3100 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957 } 3101 }
1958 } 3102 }
1959 }, 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 },
1960); 3130);
1961 3131
1962=item $client->async (\&cb) 3132=item $client->async (\&cb)
1963 3133
1964Create a new coroutine, running the specified callback. The coroutine will 3134Create a new coroutine, running the specified callback. The coroutine will
… …
1980 3150
1981 $coro 3151 $coro
1982} 3152}
1983 3153
1984cf::client->attach ( 3154cf::client->attach (
1985 on_destroy => sub { 3155 on_client_destroy => sub {
1986 my ($ns) = @_; 3156 my ($ns) = @_;
1987 3157
1988 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3158 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1989 }, 3159 },
1990); 3160);
… …
2005our $safe = new Safe "safe"; 3175our $safe = new Safe "safe";
2006our $safe_hole = new Safe::Hole; 3176our $safe_hole = new Safe::Hole;
2007 3177
2008$SIG{FPE} = 'IGNORE'; 3178$SIG{FPE} = 'IGNORE';
2009 3179
2010$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));
2011 3185
2012# here we export the classes and methods available to script code 3186# here we export the classes and methods available to script code
2013 3187
2014=pod 3188=pod
2015 3189
2016The following fucntions and emthods are available within a safe environment: 3190The following functions and methods are available within a safe environment:
2017 3191
2018 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
2019 cf::object::player player 3197 cf::object::player
2020 cf::player peaceful 3198 player
2021 cf::map trigger 3199
3200 cf::player
3201 peaceful
3202
3203 cf::map
3204 trigger
2022 3205
2023=cut 3206=cut
2024 3207
2025for ( 3208for (
2026 ["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)],
2027 ["cf::object::player" => qw(player)], 3212 ["cf::object::player" => qw(player)],
2028 ["cf::player" => qw(peaceful)], 3213 ["cf::player" => qw(peaceful send_msg)],
2029 ["cf::map" => qw(trigger)], 3214 ["cf::map" => qw(trigger)],
2030) { 3215) {
2031 no strict 'refs'; 3216 no strict 'refs';
2032 my ($pkg, @funs) = @$_; 3217 my ($pkg, @funs) = @$_;
2033 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3218 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2051 3236
2052 my $qcode = $code; 3237 my $qcode = $code;
2053 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3238 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2054 $qcode =~ s/\n/\\n/g; 3239 $qcode =~ s/\n/\\n/g;
2055 3240
3241 %vars = (_dummy => 0) unless %vars;
3242
3243 my @res;
2056 local $_; 3244 local $_;
2057 local @safe::cf::_safe_eval_args = values %vars;
2058 3245
2059 my $eval = 3246 my $eval =
2060 "do {\n" 3247 "do {\n"
2061 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3248 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2062 . "#line 0 \"{$qcode}\"\n" 3249 . "#line 0 \"{$qcode}\"\n"
2063 . $code 3250 . $code
2064 . "\n}" 3251 . "\n}"
2065 ; 3252 ;
2066 3253
3254 if ($CFG{safe_eval}) {
2067 sub_generation_inc; 3255 sub_generation_inc;
3256 local @safe::cf::_safe_eval_args = values %vars;
2068 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3257 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2069 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 }
2070 3263
2071 if ($@) { 3264 if ($@) {
2072 warn "$@"; 3265 warn "$@";
2073 warn "while executing safe code '$code'\n"; 3266 warn "while executing safe code '$code'\n";
2074 warn "with arguments " . (join " ", %vars) . "\n"; 3267 warn "with arguments " . (join " ", %vars) . "\n";
… …
2093=cut 3286=cut
2094 3287
2095sub register_script_function { 3288sub register_script_function {
2096 my ($fun, $cb) = @_; 3289 my ($fun, $cb) = @_;
2097 3290
2098 no strict 'refs'; 3291 $fun = "safe::$fun" if $CFG{safe_eval};
2099 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3292 *$fun = $safe_hole->wrap ($cb);
2100} 3293}
2101 3294
2102=back 3295=back
2103 3296
2104=cut 3297=cut
2105 3298
2106############################################################################# 3299#############################################################################
3300# the server's init and main functions
2107 3301
2108=head2 EXTENSION DATABASE SUPPORT 3302sub load_facedata($) {
3303 my ($path) = @_;
2109 3304
2110Crossfire maintains a very simple database for extension use. It can 3305 # HACK to clear player env face cache, we need some signal framework
2111currently store anything that can be serialised using Storable, which 3306 # for this (global event?)
2112excludes objects. 3307 %ext::player_env::MUSIC_FACE_CACHE = ();
2113 3308
2114The parameter C<$family> should best start with the name of the extension 3309 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115using it, it should be unique.
2116 3310
2117=over 4 3311 warn "loading facedata from $path\n";
2118 3312
2119=item $hashref = cf::db_get $family 3313 my $facedata;
3314 0 < aio_load $path, $facedata
3315 or die "$path: $!";
2120 3316
2121Return a hashref for use by the extension C<$family>, which can be 3317 $facedata = Coro::Storable::thaw $facedata;
2122modified. After modifications, you have to call C<cf::db_dirty> or
2123C<cf::db_sync>.
2124 3318
2125=item $value = cf::db_get $family => $key 3319 $facedata->{version} == 2
3320 or cf::cleanup "$path: version mismatch, cannot proceed.";
2126 3321
2127Returns a single value from the database 3322 # patch in the exptable
2128 3323 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2129=item cf::db_put $family => $hashref 3324 $facedata->{resource}{"res/exp_table"} = {
2130 3325 type => FT_RSRC,
2131Stores the given family hashref into the database. Updates are delayed, if 3326 data => $exp_table,
2132you want the data to be synced to disk immediately, use C<cf::db_sync>. 3327 hash => (Digest::MD5::md5 $exp_table),
2133
2134=item cf::db_put $family => $key => $value
2135
2136Stores the given C<$value> in the family hash. Updates are delayed, if you
2137want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139=item cf::db_dirty
2140
2141Marks the database as dirty, to be updated at a later time.
2142
2143=item cf::db_sync
2144
2145Immediately write the database to disk I<if it is dirty>.
2146
2147=cut
2148
2149our $DB;
2150
2151{
2152 my $path = cf::localdir . "/database.pst";
2153
2154 sub db_load() {
2155 $DB = stat $path ? Storable::retrieve $path : { };
2156 }
2157
2158 my $pid;
2159
2160 sub db_save() {
2161 waitpid $pid, 0 if $pid;
2162 if (0 == ($pid = fork)) {
2163 $DB->{_meta}{version} = 1;
2164 Storable::nstore $DB, "$path~";
2165 rename "$path~", $path;
2166 cf::_exit 0 if defined $pid;
2167 }
2168 }
2169
2170 my $dirty;
2171
2172 sub db_sync() {
2173 db_save if $dirty;
2174 undef $dirty;
2175 }
2176
2177 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178 db_sync;
2179 }); 3328 };
3329 cf::cede_to_tick;
2180 3330
2181 sub db_dirty() {
2182 $dirty = 1;
2183 $idle->start;
2184 } 3331 {
3332 my $faces = $facedata->{faceinfo};
2185 3333
2186 sub db_get($;$) { 3334 while (my ($face, $info) = each %$faces) {
2187 @_ >= 2 3335 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188 ? $DB->{$_[0]}{$_[1]}
2189 : ($DB->{$_[0]} ||= { })
2190 }
2191 3336
2192 sub db_put($$;$) { 3337 cf::face::set_visibility $idx, $info->{visibility};
2193 if (@_ >= 3) { 3338 cf::face::set_magicmap $idx, $info->{magicmap};
2194 $DB->{$_[0]}{$_[1]} = $_[2]; 3339 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2195 } else { 3340 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2196 $DB->{$_[0]} = $_[1];
2197 }
2198 db_dirty;
2199 }
2200 3341
2201 cf::global->attach ( 3342 cf::cede_to_tick;
2202 prio => 10000,
2203 on_cleanup => sub {
2204 db_sync;
2205 }, 3343 }
2206 );
2207}
2208 3344
2209############################################################################# 3345 while (my ($face, $info) = each %$faces) {
2210# the server's main() 3346 next unless $info->{smooth};
2211 3347
2212sub cfg_load { 3348 my $idx = cf::face::find $face
3349 or next;
3350
3351 if (my $smooth = cf::face::find $info->{smooth}) {
3352 cf::face::set_smooth $idx, $smooth;
3353 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3354 } else {
3355 warn "smooth face '$info->{smooth}' not found for face '$face'";
3356 }
3357
3358 cf::cede_to_tick;
3359 }
3360 }
3361
3362 {
3363 my $anims = $facedata->{animinfo};
3364
3365 while (my ($anim, $info) = each %$anims) {
3366 cf::anim::set $anim, $info->{frames}, $info->{facings};
3367 cf::cede_to_tick;
3368 }
3369
3370 cf::anim::invalidate_all; # d'oh
3371 }
3372
3373 {
3374 my $res = $facedata->{resource};
3375
3376 while (my ($name, $info) = each %$res) {
3377 if (defined $info->{type}) {
3378 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3379
3380 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3381 cf::face::set_type $idx, $info->{type};
3382 } else {
3383 $RESOURCE{$name} = $info;
3384 }
3385
3386 cf::cede_to_tick;
3387 }
3388 }
3389
3390 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3391
3392 1
3393}
3394
3395cf::global->attach (on_resource_update => sub {
3396 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3397 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3398
3399 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3400 my $sound = $soundconf->{compat}[$_]
3401 or next;
3402
3403 my $face = cf::face::find "sound/$sound->[1]";
3404 cf::sound::set $sound->[0] => $face;
3405 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3406 }
3407
3408 while (my ($k, $v) = each %{$soundconf->{event}}) {
3409 my $face = cf::face::find "sound/$v";
3410 cf::sound::set $k => $face;
3411 }
3412 }
3413});
3414
3415register_exticmd fx_want => sub {
3416 my ($ns, $want) = @_;
3417
3418 while (my ($k, $v) = each %$want) {
3419 $ns->fx_want ($k, $v);
3420 }
3421};
3422
3423sub load_resource_file($) {
3424 my $guard = lock_acquire "load_resource_file";
3425
3426 my $status = load_resource_file_ $_[0];
3427 get_slot 0.1, 100;
3428 cf::arch::commit_load;
3429
3430 $status
3431}
3432
3433sub reload_regions {
3434 # HACK to clear player env face cache, we need some signal framework
3435 # for this (global event?)
3436 %ext::player_env::MUSIC_FACE_CACHE = ();
3437
3438 load_resource_file "$MAPDIR/regions"
3439 or die "unable to load regions file\n";
3440
3441 for (cf::region::list) {
3442 $_->{match} = qr/$_->{match}/
3443 if exists $_->{match};
3444 }
3445}
3446
3447sub reload_facedata {
3448 load_facedata "$DATADIR/facedata"
3449 or die "unable to load facedata\n";
3450}
3451
3452sub reload_archetypes {
3453 load_resource_file "$DATADIR/archetypes"
3454 or die "unable to load archetypes\n";
3455}
3456
3457sub reload_treasures {
3458 load_resource_file "$DATADIR/treasures"
3459 or die "unable to load treasurelists\n";
3460}
3461
3462sub reload_resources {
3463 warn "reloading resource files...\n";
3464
3465 reload_facedata;
3466 reload_archetypes;
3467 reload_regions;
3468 reload_treasures;
3469
3470 warn "finished reloading resource files\n";
3471}
3472
3473sub reload_config {
3474 warn "reloading config file...\n";
3475
2213 open my $fh, "<:utf8", cf::confdir . "/config" 3476 open my $fh, "<:utf8", "$CONFDIR/config"
2214 or return; 3477 or return;
2215 3478
2216 local $/; 3479 local $/;
2217 *CFG = YAML::Syck::Load <$fh>; 3480 *CFG = YAML::XS::Load scalar <$fh>;
2218 3481
2219 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3482 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2220 3483
2221 $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};
2222 $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};
… …
2226 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3489 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2227 and die "WARNING: m(un)lockall failed: $!\n"; 3490 and die "WARNING: m(un)lockall failed: $!\n";
2228 }; 3491 };
2229 warn $@ if $@; 3492 warn $@ if $@;
2230 } 3493 }
3494
3495 warn "finished reloading resource files\n";
3496}
3497
3498sub pidfile() {
3499 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3500 or die "$PIDFILE: $!";
3501 flock $fh, &Fcntl::LOCK_EX
3502 or die "$PIDFILE: flock: $!";
3503 $fh
3504}
3505
3506# make sure only one server instance is running at any one time
3507sub atomic {
3508 my $fh = pidfile;
3509
3510 my $pid = <$fh>;
3511 kill 9, $pid if $pid > 0;
3512
3513 seek $fh, 0, 0;
3514 print $fh $$;
3515}
3516
3517sub main_loop {
3518 warn "EV::loop starting\n";
3519 if (1) {
3520 EV::loop;
3521 }
3522 warn "EV::loop returned\n";
3523 goto &main_loop unless $REALLY_UNLOOP;
2231} 3524}
2232 3525
2233sub 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
2234 # we must not ever block the main coroutine 3541 # we must not ever block the main coroutine
2235 local $Coro::idle = sub { 3542 local $Coro::idle = sub {
2236 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#
2237 async { Event::one_event }; 3544 (async {
3545 $Coro::current->{desc} = "IDLE BUG HANDLER";
3546 EV::loop EV::LOOP_ONESHOT;
3547 })->prio (Coro::PRIO_MAX);
2238 }; 3548 };
2239 3549
2240 cfg_load; 3550 evthread_start IO::AIO::poll_fileno;
2241 db_load; 3551
3552 cf::sync_job {
3553 cf::load_settings;
3554 cf::load_materials;
3555
3556 reload_resources;
3557 reload_config;
3558 db_init;
3559
3560 cf::init_uuid;
3561 cf::init_signals;
3562 cf::init_skills;
3563
3564 cf::init_beforeplay;
3565
3566 atomic;
3567
2242 load_extensions; 3568 load_extensions;
2243 Event::loop; 3569
3570 utime time, time, $RUNTIMEFILE;
3571
3572 # no (long-running) fork's whatsoever before this point(!)
3573 use POSIX ();
3574 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3575
3576 (pop @POST_INIT)->(0) while @POST_INIT;
3577 };
3578
3579 main_loop;
2244} 3580}
2245 3581
2246############################################################################# 3582#############################################################################
2247# initialisation and cleanup 3583# initialisation and cleanup
2248 3584
2249# install some emergency cleanup handlers 3585# install some emergency cleanup handlers
2250BEGIN { 3586BEGIN {
3587 our %SIGWATCHER = ();
2251 for my $signal (qw(INT HUP TERM)) { 3588 for my $signal (qw(INT HUP TERM)) {
2252 Event->signal ( 3589 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2253 data => WF_AUTOCANCEL,
2254 signal => $signal,
2255 cb => sub {
2256 cf::cleanup "SIG$signal"; 3590 cf::cleanup "SIG$signal";
2257 },
2258 ); 3591 };
3592 }
3593}
3594
3595sub write_runtime_sync {
3596 my $t0 = EV::time;
3597
3598 # first touch the runtime file to show we are still running:
3599 # the fsync below can take a very very long time.
3600
3601 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3602
3603 my $guard = cf::lock_acquire "write_runtime";
3604
3605 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3606 or return;
3607
3608 my $value = $cf::RUNTIME + 90 + 10;
3609 # 10 is the runtime save interval, for a monotonic clock
3610 # 60 allows for the watchdog to kill the server.
3611
3612 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3613 and return;
3614
3615 # always fsync - this file is important
3616 aio_fsync $fh
3617 and return;
3618
3619 # touch it again to show we are up-to-date
3620 aio_utime $fh, undef, undef;
3621
3622 close $fh
3623 or return;
3624
3625 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3626 and return;
3627
3628 warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
3629
2259 } 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 };
2260} 3681}
2261 3682
2262sub emergency_save() { 3683sub emergency_save() {
2263 my $freeze_guard = cf::freeze_mainloop; 3684 my $freeze_guard = cf::freeze_mainloop;
2264 3685
2265 warn "enter emergency perl save\n"; 3686 warn "emergency_perl_save: enter\n";
2266 3687
2267 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
2268 # use a peculiar iteration method to avoid tripping on perl 3694 # use a peculiar iteration method to avoid tripping on perl
2269 # refcount bugs in for. also avoids problems with players 3695 # refcount bugs in for. also avoids problems with players
2270 # and maps saved/destroyed asynchronously. 3696 # and maps saved/destroyed asynchronously.
2271 warn "begin emergency player save\n"; 3697 warn "emergency_perl_save: begin player save\n";
2272 for my $login (keys %cf::PLAYER) { 3698 for my $login (keys %cf::PLAYER) {
2273 my $pl = $cf::PLAYER{$login} or next; 3699 my $pl = $cf::PLAYER{$login} or next;
2274 $pl->valid or next; 3700 $pl->valid or next;
3701 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275 $pl->save; 3702 $pl->save;
2276 } 3703 }
2277 warn "end emergency player save\n"; 3704 warn "emergency_perl_save: end player save\n";
2278 3705
2279 warn "begin emergency map save\n"; 3706 warn "emergency_perl_save: begin map save\n";
2280 for my $path (keys %cf::MAP) { 3707 for my $path (keys %cf::MAP) {
2281 my $map = $cf::MAP{$path} or next; 3708 my $map = $cf::MAP{$path} or next;
2282 $map->valid or next; 3709 $map->valid or next;
2283 $map->save; 3710 $map->save;
2284 } 3711 }
2285 warn "end emergency map save\n"; 3712 warn "emergency_perl_save: end map save\n";
3713
3714 warn "emergency_perl_save: begin database checkpoint\n";
3715 BDB::db_env_txn_checkpoint $DB_ENV;
3716 warn "emergency_perl_save: end database checkpoint\n";
3717
3718 warn "emergency_perl_save: begin write uuid\n";
3719 write_uuid_sync 1;
3720 warn "emergency_perl_save: end write uuid\n";
2286 }; 3721 };
2287 3722
3723 warn "emergency_perl_save: starting sync()\n";
3724 IO::AIO::aio_sync sub {
3725 warn "emergency_perl_save: finished sync()\n";
3726 };
3727
2288 warn "leave emergency perl save\n"; 3728 warn "emergency_perl_save: leave\n";
2289} 3729}
2290 3730
3731sub post_cleanup {
3732 my ($make_core) = @_;
3733
3734 warn Carp::longmess "post_cleanup backtrace"
3735 if $make_core;
3736
3737 my $fh = pidfile;
3738 unlink $PIDFILE if <$fh> == $$;
3739}
3740
3741# a safer delete_package, copied from Symbol
3742sub clear_package($) {
3743 my $pkg = shift;
3744
3745 # expand to full symbol table name if needed
3746 unless ($pkg =~ /^main::.*::$/) {
3747 $pkg = "main$pkg" if $pkg =~ /^::/;
3748 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3749 $pkg .= '::' unless $pkg =~ /::$/;
3750 }
3751
3752 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3753 my $stem_symtab = *{$stem}{HASH};
3754
3755 defined $stem_symtab and exists $stem_symtab->{$leaf}
3756 or return;
3757
3758 # clear all symbols
3759 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3760 for my $name (keys %$leaf_symtab) {
3761 _gv_clear *{"$pkg$name"};
3762# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3763 }
3764 warn "cleared package $pkg\n";#d#
3765}
3766
2291sub reload() { 3767sub do_reload_perl() {
2292 # can/must only be called in main 3768 # can/must only be called in main
2293 if ($Coro::current != $Coro::main) { 3769 if ($Coro::current != $Coro::main) {
2294 warn "can only reload from main coroutine\n"; 3770 warn "can only reload from main coroutine";
2295 return; 3771 return;
2296 } 3772 }
2297 3773
3774 return if $RELOAD++;
3775
3776 my $t1 = EV::time;
3777
3778 while ($RELOAD) {
2298 warn "reloading..."; 3779 warn "reloading...";
2299 3780
2300 warn "freezing server"; 3781 warn "entering sync_job";
2301 my $guard = freeze_mainloop; 3782
3783 cf::sync_job {
3784 cf::write_runtime_sync; # external watchdog should not bark
2302 cf::emergency_save; 3785 cf::emergency_save;
3786 cf::write_runtime_sync; # external watchdog should not bark
2303 3787
2304 warn "sync database to disk"; 3788 warn "syncing database to disk";
2305 cf::db_sync; 3789 BDB::db_env_txn_checkpoint $DB_ENV;
2306 IO::AIO::flush;
2307 3790
2308 eval {
2309 # 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
2310 3792
2311 warn "cancel all watchers"; 3793 warn "flushing outstanding aio requests";
2312 for (Event::all_watchers) { 3794 while (IO::AIO::nreqs || BDB::nreqs) {
2313 $_->cancel if $_->data & WF_AUTOCANCEL; 3795 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2314 }
2315
2316 warn "cancel all extension coros";
2317 $_->cancel for values %EXT_CORO;
2318 %EXT_CORO = ();
2319
2320 warn "remove commands";
2321 %COMMAND = ();
2322
2323 warn "remove ext commands";
2324 %EXTCMD = ();
2325
2326 warn "unload/nuke all extensions";
2327 for my $pkg (@EXTS) {
2328 warn "... unloading $pkg";
2329
2330 if (my $cb = $pkg->can ("unload")) {
2331 eval {
2332 $cb->($pkg);
2333 1
2334 } or warn "$pkg unloaded, but with errors: $@";
2335 } 3796 }
2336 3797
3798 warn "cancelling all extension coros";
3799 $_->cancel for values %EXT_CORO;
3800 %EXT_CORO = ();
3801
3802 warn "removing commands";
3803 %COMMAND = ();
3804
3805 warn "removing ext/exti commands";
3806 %EXTCMD = ();
3807 %EXTICMD = ();
3808
3809 warn "unloading/nuking all extensions";
3810 for my $pkg (@EXTS) {
2337 warn "... nuking $pkg"; 3811 warn "... unloading $pkg";
2338 Symbol::delete_package $pkg;
2339 }
2340 3812
2341 warn "unload all perl modules loaded from $LIBDIR";
2342 while (my ($k, $v) = each %INC) {
2343 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344
2345 warn "removing <$k>";
2346 delete $INC{$k};
2347
2348 $k =~ s/\.pm$//;
2349 $k =~ s/\//::/g;
2350
2351 if (my $cb = $k->can ("unload_module")) { 3813 if (my $cb = $pkg->can ("unload")) {
3814 eval {
2352 $cb->(); 3815 $cb->($pkg);
3816 1
3817 } or warn "$pkg unloaded, but with errors: $@";
3818 }
3819
3820 warn "... clearing $pkg";
3821 clear_package $pkg;
2353 } 3822 }
2354 3823
2355 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;
2356 } 3839 }
2357 3840
2358 warn "get rid of safe::, as good as possible"; 3841 warn "getting rid of safe::, as good as possible";
2359 Symbol::delete_package "safe::$_" 3842 clear_package "safe::$_"
2360 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);
2361 3844
2362 warn "unload cf.pm \"a bit\""; 3845 warn "unloading cf.pm \"a bit\"";
2363 delete $INC{"cf.pm"}; 3846 delete $INC{"cf.pm"};
3847 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2364 3848
2365 # don't, removes xs symbols, too, 3849 # don't, removes xs symbols, too,
2366 # and global variables created in xs 3850 # and global variables created in xs
2367 #Symbol::delete_package __PACKAGE__; 3851 #clear_package __PACKAGE__;
2368 3852
3853 warn "unload completed, starting to reload now";
3854
2369 warn "reloading cf.pm"; 3855 warn "reloading cf.pm";
2370 require cf; 3856 require cf;
2371 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3857 cf::_connect_to_perl_1;
2372 3858
2373 warn "load config and database again"; 3859 warn "loading config and database again";
2374 cf::cfg_load; 3860 cf::reload_config;
2375 cf::db_load;
2376 3861
2377 warn "load extensions"; 3862 warn "loading extensions";
2378 cf::load_extensions; 3863 cf::load_extensions;
2379 3864
3865 if ($REATTACH_ON_RELOAD) {
2380 warn "reattach attachments to objects/players"; 3866 warn "reattaching attachments to objects/players";
2381 _global_reattach; 3867 _global_reattach; # objects, sockets
2382 warn "reattach attachments to maps"; 3868 warn "reattaching attachments to maps";
2383 reattach $_ for values %MAP; 3869 reattach $_ for values %MAP;
3870 warn "reattaching attachments to players";
3871 reattach $_ for values %PLAYER;
3872 }
3873
3874 warn "running post_init jobs";
3875 (pop @POST_INIT)->(1) while @POST_INIT;
3876
3877 warn "leaving sync_job";
3878
3879 1
3880 } or do {
3881 warn $@;
3882 cf::cleanup "error while reloading, exiting.";
3883 };
3884
3885 warn "reloaded";
3886 --$RELOAD;
3887 }
3888
3889 $t1 = EV::time - $t1;
3890 warn "reload completed in ${t1}s\n";
3891};
3892
3893our $RELOAD_WATCHER; # used only during reload
3894
3895sub reload_perl() {
3896 # doing reload synchronously and two reloads happen back-to-back,
3897 # coro crashes during coro_state_free->destroy here.
3898
3899 $RELOAD_WATCHER ||= cf::async {
3900 Coro::AIO::aio_wait cache_extensions;
3901
3902 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3903 do_reload_perl;
3904 undef $RELOAD_WATCHER;
3905 };
2384 }; 3906 };
2385 3907}
2386 if ($@) {
2387 warn $@;
2388 warn "error while reloading, exiting.";
2389 exit 1;
2390 }
2391
2392 warn "reloaded";
2393};
2394 3908
2395register_command "reload" => sub { 3909register_command "reload" => sub {
2396 my ($who, $arg) = @_; 3910 my ($who, $arg) = @_;
2397 3911
2398 if ($who->flag (FLAG_WIZ)) { 3912 if ($who->flag (FLAG_WIZ)) {
2399 $who->message ("start of reload.");
2400 reload;
2401 $who->message ("end of reload."); 3913 $who->message ("reloading server.");
3914 async {
3915 $Coro::current->{desc} = "perl_reload";
3916 reload_perl;
3917 };
2402 } 3918 }
2403}; 3919};
2404 3920
2405unshift @INC, $LIBDIR; 3921unshift @INC, $LIBDIR;
2406 3922
2407$TICK_WATCHER = Event->timer ( 3923my $bug_warning = 0;
2408 reentrant => 0,
2409 prio => 0,
2410 at => $NEXT_TICK || $TICK,
2411 data => WF_AUTOCANCEL,
2412 cb => sub {
2413 $NOW = Event::time;
2414 3924
3925our @WAIT_FOR_TICK;
3926our @WAIT_FOR_TICK_BEGIN;
3927
3928sub wait_for_tick {
3929 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3930
3931 my $signal = new Coro::Signal;
3932 push @WAIT_FOR_TICK, $signal;
3933 $signal->wait;
3934}
3935
3936sub wait_for_tick_begin {
3937 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3938
3939 my $signal = new Coro::Signal;
3940 push @WAIT_FOR_TICK_BEGIN, $signal;
3941 $signal->wait;
3942}
3943
3944sub tick {
3945 if ($Coro::current != $Coro::main) {
3946 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3947 unless ++$bug_warning > 10;
3948 return;
3949 }
3950
2415 cf::server_tick; # one server iteration 3951 cf::server_tick; # one server iteration
2416 $RUNTIME += $TICK;
2417 $NEXT_TICK += $TICK;
2418 3952
2419 $WAIT_FOR_TICK->broadcast; 3953 #for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2420 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2421 3954
2422 # if we are delayed by four ticks or more, skip them all 3955 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2423 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3956 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2424 3957 Coro::async_pool {
2425 $TICK_WATCHER->at ($NEXT_TICK); 3958 $Coro::current->{desc} = "runtime saver";
2426 $TICK_WATCHER->start;
2427 },
2428);
2429
2430IO::AIO::max_poll_time $TICK * 0.2;
2431
2432$AIO_POLL_WATCHER = Event->io (
2433 fd => IO::AIO::poll_fileno,
2434 poll => 'r',
2435 prio => 5,
2436 data => WF_AUTOCANCEL,
2437 cb => \&IO::AIO::poll_cb,
2438);
2439
2440$WRITE_RUNTIME_WATCHER = Event->timer (
2441 data => WF_AUTOCANCEL,
2442 after => 0,
2443 interval => 10,
2444 cb => sub {
2445 (Coro::unblock_sub {
2446 write_runtime 3959 write_runtime_sync
2447 or warn "ERROR: unable to write runtime file: $!"; 3960 or warn "ERROR: unable to write runtime file: $!";
2448 })->(); 3961 };
2449 }, 3962 }
2450); 3963
3964 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3965 $sig->send;
3966 }
3967 while (my $sig = shift @WAIT_FOR_TICK) {
3968 $sig->send;
3969 }
3970
3971 $LOAD = ($NOW - $TICK_START) / $TICK;
3972 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3973
3974 if (0) {
3975 if ($NEXT_TICK) {
3976 my $jitter = $TICK_START - $NEXT_TICK;
3977 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3978 warn "jitter $JITTER\n";#d#
3979 }
3980 }
3981}
3982
3983{
3984 # configure BDB
3985
3986 BDB::min_parallel 16;
3987 BDB::max_poll_reqs $TICK * 0.1;
3988 $AnyEvent::BDB::WATCHER->priority (1);
3989
3990 unless ($DB_ENV) {
3991 $DB_ENV = BDB::db_env_create;
3992 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3993 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3994 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3995 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3996 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3997
3998 cf::sync_job {
3999 eval {
4000 BDB::db_env_open
4001 $DB_ENV,
4002 $BDBDIR,
4003 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4004 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4005 0666;
4006
4007 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4008 };
4009
4010 cf::cleanup "db_env_open(db): $@" if $@;
4011 };
4012 }
4013
4014 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4015 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4016 };
4017 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4018 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4019 };
4020 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4021 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4022 };
4023}
4024
4025{
4026 # configure IO::AIO
4027
4028 IO::AIO::min_parallel 8;
4029 IO::AIO::max_poll_time $TICK * 0.1;
4030 undef $AnyEvent::AIO::WATCHER;
4031}
4032
4033my $_log_backtrace;
4034
4035sub _log_backtrace {
4036 my ($msg, @addr) = @_;
4037
4038 $msg =~ s/\n//;
4039
4040 # limit the # of concurrent backtraces
4041 if ($_log_backtrace < 2) {
4042 ++$_log_backtrace;
4043 my $perl_bt = Carp::longmess $msg;
4044 async {
4045 $Coro::current->{desc} = "abt $msg";
4046
4047 my @bt = fork_call {
4048 @addr = map { sprintf "%x", $_ } @addr;
4049 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4050 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4051 or die "addr2line: $!";
4052
4053 my @funcs;
4054 my @res = <$fh>;
4055 chomp for @res;
4056 while (@res) {
4057 my ($func, $line) = splice @res, 0, 2, ();
4058 push @funcs, "[$func] $line";
4059 }
4060
4061 @funcs
4062 };
4063
4064 LOG llevInfo, "[ABT] $perl_bt\n";
4065 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4066 LOG llevInfo, "[ABT] $_\n" for @bt;
4067 --$_log_backtrace;
4068 };
4069 } else {
4070 LOG llevInfo, "[ABT] $msg\n";
4071 LOG llevInfo, "[ABT] [suppressed]\n";
4072 }
4073}
4074
4075# load additional modules
4076require "cf/$_.pm" for @EXTRA_MODULES;
4077cf::_connect_to_perl_2;
2451 4078
2452END { cf::emergency_save } 4079END { cf::emergency_save }
2453 4080
24541 40811
2455 4082

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