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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 2007 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
12 37
38use Guard ();
13use Coro 3.4 (); 39use Coro ();
40use Coro::State;
41use Coro::Handle;
42use Coro::EV;
14use Coro::Event; 43use Coro::AnyEvent;
15use Coro::Timer; 44use Coro::Timer;
16use Coro::Signal; 45use Coro::Signal;
17use Coro::Semaphore; 46use Coro::Semaphore;
47use Coro::SemaphoreSet;
48use Coro::AnyEvent;
18use Coro::AIO; 49use Coro::AIO;
50use Coro::BDB 1.6;
51use Coro::Storable;
52use Coro::Util ();
19 53
54use JSON::XS 2.01 ();
55use BDB ();
20use Data::Dumper; 56use Data::Dumper;
21use Digest::MD5; 57use 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 warn "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($$) {
406 my ($interval, $cb) = @_;
407
408 my $start = rand List::Util::min 180, $interval;
409
410 EV::periodic $start, $interval, 0, $cb
411}
412
413=item cf::get_slot $time[, $priority[, $name]]
414
415Allocate $time seconds of blocking CPU time at priority C<$priority>:
416This call blocks and returns only when you have at least C<$time> seconds
417of cpu time till the next tick. The slot is only valid till the next cede.
418
419The optional C<$name> can be used to identify the job to run. It might be
420used for statistical purposes and should identify the same time-class.
421
422Useful for short background jobs.
423
424=cut
425
426our @SLOT_QUEUE;
427our $SLOT_QUEUE;
428
429$SLOT_QUEUE->cancel if $SLOT_QUEUE;
430$SLOT_QUEUE = Coro::async {
431 $Coro::current->desc ("timeslot manager");
432
433 my $signal = new Coro::Signal;
434
435 while () {
436 next_job:
437 my $avail = cf::till_tick;
438 if ($avail > 0.01) {
439 for (0 .. $#SLOT_QUEUE) {
440 if ($SLOT_QUEUE[$_][0] < $avail) {
441 my $job = splice @SLOT_QUEUE, $_, 1, ();
442 $job->[2]->send;
443 Coro::cede;
444 goto next_job;
445 }
446 }
447 }
448
449 if (@SLOT_QUEUE) {
450 # we do not use wait_for_tick() as it returns immediately when tick is inactive
451 push @cf::WAIT_FOR_TICK, $signal;
452 $signal->wait;
453 } else {
454 Coro::schedule;
455 }
267 }; 456 }
268 $WRITE_RUNTIME_WATCHER->stop; 457};
269 $TICK_WATCHER->stop; 458
270 $guard 459sub get_slot($;$$) {
460 return if tick_inhibit || $Coro::current == $Coro::main;
461
462 my ($time, $pri, $name) = @_;
463
464 $time = $TICK * .6 if $time > $TICK * .6;
465 my $sig = new Coro::Signal;
466
467 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
468 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
469 $SLOT_QUEUE->ready;
470 $sig->wait;
271} 471}
272 472
273=item cf::async { BLOCK } 473=item cf::async { BLOCK }
274 474
275Currently the same as Coro::async_pool, meaning you cannot use 475Currently the same as Coro::async_pool, meaning you cannot use
… …
280 480
281BEGIN { *async = \&Coro::async_pool } 481BEGIN { *async = \&Coro::async_pool }
282 482
283=item cf::sync_job { BLOCK } 483=item cf::sync_job { BLOCK }
284 484
285The design of crossfire+ requires that the main coro ($Coro::main) is 485The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 486is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 487partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
488acceptable.
288 489
289If it must be done, put the blocking parts into C<sync_job>. This will run 490If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 491the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 492server will be frozen during this time, so the block should either finish
292fast or be very important. 493fast or be very important.
… …
295 496
296sub sync_job(&) { 497sub sync_job(&) {
297 my ($job) = @_; 498 my ($job) = @_;
298 499
299 if ($Coro::current == $Coro::main) { 500 if ($Coro::current == $Coro::main) {
501 my $time = EV::time;
502
300 # this is the main coro, too bad, we have to block 503 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 504 # till the operation succeeds, freezing the server :/
302 505
303 # TODO: use suspend/resume instead 506 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 507
305 my $freeze_guard = freeze_mainloop; 508 my $freeze_guard = freeze_mainloop;
306 509
307 my $busy = 1; 510 my $busy = 1;
308 my @res; 511 my @res;
309 512
310 (async { 513 (async {
514 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 515 @res = eval { $job->() };
312 warn $@ if $@; 516 warn $@ if $@;
313 undef $busy; 517 undef $busy;
314 })->prio (Coro::PRIO_MAX); 518 })->prio (Coro::PRIO_MAX);
315 519
316 while ($busy) { 520 while ($busy) {
317 Coro::cede or Event::one_event; 521 if (Coro::nready) {
522 Coro::cede_notself;
523 } else {
524 EV::loop EV::LOOP_ONESHOT;
318 } 525 }
526 }
527
528 my $time = EV::time - $time;
529
530 $TICK_START += $time; # do not account sync jobs to server load
319 531
320 wantarray ? @res : $res[0] 532 wantarray ? @res : $res[0]
321 } else { 533 } else {
322 # we are in another coroutine, how wonderful, everything just works 534 # we are in another coroutine, how wonderful, everything just works
323 535
… …
343 $EXT_CORO{$coro+0} = $coro; 555 $EXT_CORO{$coro+0} = $coro;
344 556
345 $coro 557 $coro
346} 558}
347 559
348sub write_runtime { 560=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 561
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 562Executes the given code block with the given arguments in a seperate
352 or return; 563process, returning the results. Everything must be serialisable with
564Coro::Storable. May, of course, block. Note that the executed sub may
565never block itself or use any form of event handling.
353 566
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 567=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 568
358 aio_fsync $fh 569sub fork_call(&@) {
359 and return; 570 my ($cb, @args) = @_;
360 571
361 close $fh 572 # we seemingly have to make a local copy of the whole thing,
362 or return; 573 # otherwise perl prematurely frees the stuff :/
574 # TODO: investigate and fix (likely this will be rather laborious)
363 575
364 aio_rename "$runtime~", $runtime 576 my @res = Coro::Util::fork_eval {
365 and return; 577 reset_signals;
578 &$cb
579 }, @args;
366 580
581 wantarray ? @res : $res[-1]
582}
583
584=item $coin = coin_from_name $name
585
586=cut
587
588our %coin_alias = (
589 "silver" => "silvercoin",
590 "silvercoin" => "silvercoin",
591 "silvercoins" => "silvercoin",
592 "gold" => "goldcoin",
593 "goldcoin" => "goldcoin",
594 "goldcoins" => "goldcoin",
595 "platinum" => "platinacoin",
596 "platinumcoin" => "platinacoin",
597 "platinumcoins" => "platinacoin",
598 "platina" => "platinacoin",
599 "platinacoin" => "platinacoin",
600 "platinacoins" => "platinacoin",
601 "royalty" => "royalty",
602 "royalties" => "royalty",
603);
604
605sub coin_from_name($) {
606 $coin_alias{$_[0]}
607 ? cf::arch::find $coin_alias{$_[0]}
608 : undef
609}
610
611=item $value = cf::db_get $family => $key
612
613Returns a single value from the environment database.
614
615=item cf::db_put $family => $key => $value
616
617Stores the given C<$value> in the family. It can currently store binary
618data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
619
620=item $db = cf::db_table "name"
621
622Create and/or open a new database table. The string must not be "db" and must be unique
623within each server.
624
625=cut
626
627sub db_table($) {
628 my ($name) = @_;
629 my $db = BDB::db_create $DB_ENV;
630
631 eval {
632 $db->set_flags (BDB::CHKSUM);
633
634 utf8::encode $name;
635 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
636 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
637 cf::cleanup "db_open(db): $!" if $!;
638 };
639 cf::cleanup "db_open(db): $@" if $@;
640
641 $db
642}
643
644our $DB;
645
646sub db_init {
647 cf::sync_job {
648 $DB ||= db_table "db";
649 };
650}
651
652sub db_get($$) {
653 my $key = "$_[0]/$_[1]";
654
655 cf::sync_job {
656 BDB::db_get $DB, undef, $key, my $data;
657
658 $! ? ()
659 : $data
367 1 660 }
661}
662
663sub db_put($$$) {
664 BDB::dbreq_pri 4;
665 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
666}
667
668=item cf::cache $id => [$paths...], $processversion => $process
669
670Generic caching function that returns the value of the resource $id,
671caching and regenerating as required.
672
673This function can block.
674
675=cut
676
677sub cache {
678 my ($id, $src, $processversion, $process) = @_;
679
680 my $meta =
681 join "\x00",
682 $processversion,
683 map {
684 aio_stat $_
685 and Carp::croak "$_: $!";
686
687 ($_, (stat _)[7,9])
688 } @$src;
689
690 my $dbmeta = db_get cache => "$id/meta";
691 if ($dbmeta ne $meta) {
692 # changed, we may need to process
693
694 my @data;
695 my $md5;
696
697 for (0 .. $#$src) {
698 0 <= aio_load $src->[$_], $data[$_]
699 or Carp::croak "$src->[$_]: $!";
700 }
701
702 # if processing is expensive, check
703 # checksum first
704 if (1) {
705 $md5 =
706 join "\x00",
707 $processversion,
708 map {
709 cf::cede_to_tick;
710 ($src->[$_], Digest::MD5::md5_hex $data[$_])
711 } 0.. $#$src;
712
713
714 my $dbmd5 = db_get cache => "$id/md5";
715 if ($dbmd5 eq $md5) {
716 db_put cache => "$id/meta", $meta;
717
718 return db_get cache => "$id/data";
719 }
720 }
721
722 my $t1 = Time::HiRes::time;
723 my $data = $process->(\@data);
724 my $t2 = Time::HiRes::time;
725
726 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
727
728 db_put cache => "$id/data", $data;
729 db_put cache => "$id/md5" , $md5;
730 db_put cache => "$id/meta", $meta;
731
732 return $data;
733 }
734
735 db_get cache => "$id/data"
736}
737
738=item cf::datalog type => key => value, ...
739
740Log a datalog packet of the given type with the given key-value pairs.
741
742=cut
743
744sub datalog($@) {
745 my ($type, %kv) = @_;
746 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 747}
369 748
370=back 749=back
371 750
372=cut 751=cut
373 752
374############################################################################# 753#############################################################################
375 754
376=head2 ATTACHABLE OBJECTS 755=head2 ATTACHABLE OBJECTS
377 756
378Many objects in crossfire are so-called attachable objects. That means you can 757Many objects in deliantra are so-called attachable objects. That means you can
379attach callbacks/event handlers (a collection of which is called an "attachment") 758attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 759to it. All such attachable objects support the following methods.
381 760
382In the following description, CLASS can be any of C<global>, C<object> 761In the following description, CLASS can be any of C<global>, C<object>
383C<player>, C<client> or C<map> (i.e. the attachable objects in 762C<player>, C<client> or C<map> (i.e. the attachable objects in
384crossfire+). 763Deliantra).
385 764
386=over 4 765=over 4
387 766
388=item $attachable->attach ($attachment, key => $value...) 767=item $attachable->attach ($attachment, key => $value...)
389 768
… …
433=item cf::CLASS::attachment $name, ... 812=item cf::CLASS::attachment $name, ...
434 813
435Register an attachment by C<$name> through which attachable objects of the 814Register an attachment by C<$name> through which attachable objects of the
436given CLASS can refer to this attachment. 815given CLASS can refer to this attachment.
437 816
438Some classes such as crossfire maps and objects can specify attachments 817Some classes such as deliantra maps and objects can specify attachments
439that are attached at load/instantiate time, thus the need for a name. 818that are attached at load/instantiate time, thus the need for a name.
440 819
441These calls expect any number of the following handler/hook descriptions: 820These calls expect any number of the following handler/hook descriptions:
442 821
443=over 4 822=over 4
… …
552 $registry = $CB_TYPE[$object_type] ||= []; 931 $registry = $CB_TYPE[$object_type] ||= [];
553 932
554 } elsif ($type eq "subtype") { 933 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 934 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 935 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 936 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 937
559 } elsif ($type eq "package") { 938 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 939 my $pkg = shift @arg;
561 940
562 while (my ($name, $id) = each %cb_id) { 941 while (my ($name, $id) = each %cb_id) {
… …
591 _attach $registry, $klass, @attach; 970 _attach $registry, $klass, @attach;
592 } 971 }
593 972
594 $obj->{$name} = \%arg; 973 $obj->{$name} = \%arg;
595 } else { 974 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 975 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 976 }
598 977
599 $obj->{_attachment}{$name} = undef; 978 $obj->{_attachment}{$name} = undef;
600} 979}
601 980
… …
603 if (ref $_[0]) { 982 if (ref $_[0]) {
604 _object_attach @_; 983 _object_attach @_;
605 } else { 984 } else {
606 _attach shift->_attach_registry, @_; 985 _attach shift->_attach_registry, @_;
607 } 986 }
987 _recalc_want;
608}; 988};
609 989
610# all those should be optimised 990# all those should be optimised
611sub cf::attachable::detach { 991sub cf::attachable::detach {
612 my ($obj, $name) = @_; 992 my ($obj, $name) = @_;
… …
615 delete $obj->{_attachment}{$name}; 995 delete $obj->{_attachment}{$name};
616 reattach ($obj); 996 reattach ($obj);
617 } else { 997 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 998 Carp::croak "cannot, currently, detach class attachments";
619 } 999 }
1000 _recalc_want;
620}; 1001};
621 1002
622sub cf::attachable::attached { 1003sub cf::attachable::attached {
623 my ($obj, $name) = @_; 1004 my ($obj, $name) = @_;
624 1005
… …
639 "; 1020 ";
640 die if $@; 1021 die if $@;
641} 1022}
642 1023
643our $override; 1024our $override;
644our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1025our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645 1026
646sub override { 1027sub override {
647 $override = 1; 1028 $override = 1;
648 @invoke_results = (); 1029 @INVOKE_RESULTS = (@_);
649} 1030}
650 1031
651sub do_invoke { 1032sub do_invoke {
652 my $event = shift; 1033 my $event = shift;
653 my $callbacks = shift; 1034 my $callbacks = shift;
654 1035
655 @invoke_results = (); 1036 @INVOKE_RESULTS = ();
656 1037
657 local $override; 1038 local $override;
658 1039
659 for (@$callbacks) { 1040 for (@$callbacks) {
660 eval { &{$_->[1]} }; 1041 eval { &{$_->[1]} };
… …
669 } 1050 }
670 1051
671 0 1052 0
672} 1053}
673 1054
674=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1055=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675 1056
676=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1057=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677 1058
678Generate an object-specific event with the given arguments. 1059Generate an object-specific event with the given arguments.
679 1060
680This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1061This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681removed in future versions), and there is no public API to access override 1062removed in future versions), and there is no public API to access override
682results (if you must, access C<@cf::invoke_results> directly). 1063results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 1064
684=back 1065=back
685 1066
686=cut 1067=cut
687 1068
688############################################################################# 1069#############################################################################
689# object support 1070# object support
1071
1072sub _object_equal($$);
1073sub _object_equal($$) {
1074 my ($a, $b) = @_;
1075
1076 return 0 unless (ref $a) eq (ref $b);
1077
1078 if ("HASH" eq ref $a) {
1079 my @ka = keys %$a;
1080 my @kb = keys %$b;
1081
1082 return 0 if @ka != @kb;
1083
1084 for (0 .. $#ka) {
1085 return 0 unless $ka[$_] eq $kb[$_];
1086 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1087 }
1088
1089 } elsif ("ARRAY" eq ref $a) {
1090
1091 return 0 if @$a != @$b;
1092
1093 for (0 .. $#$a) {
1094 return 0 unless _object_equal $a->[$_], $b->[$_];
1095 }
1096
1097 } elsif ($a ne $b) {
1098 return 0;
1099 }
1100
1101 1
1102}
1103
1104our $SLOW_MERGES;#d#
1105sub _can_merge {
1106 my ($ob1, $ob2) = @_;
1107
1108 ++$SLOW_MERGES;#d#
1109
1110 # we do the slow way here
1111 return _object_equal $ob1, $ob2
1112}
690 1113
691sub reattach { 1114sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1115 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1116 my ($obj) = @_;
694 1117
1118 # no longer needed after getting rid of delete_package?
695 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1119 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696 1120
697 my $registry = $obj->registry; 1121 my $registry = $obj->registry;
698 1122
699 @$registry = (); 1123 @$registry = ();
700 1124
… …
715cf::attachable->attach ( 1139cf::attachable->attach (
716 prio => -1000000, 1140 prio => -1000000,
717 on_instantiate => sub { 1141 on_instantiate => sub {
718 my ($obj, $data) = @_; 1142 my ($obj, $data) = @_;
719 1143
720 $data = from_json $data; 1144 $data = decode_json $data;
721 1145
722 for (@$data) { 1146 for (@$data) {
723 my ($name, $args) = @$_; 1147 my ($name, $args) = @$_;
724 1148
725 $obj->attach ($name, %{$args || {} }); 1149 $obj->attach ($name, %{$args || {} });
… …
741sub object_freezer_save { 1165sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1166 my ($filename, $rdata, $objs) = @_;
743 1167
744 sync_job { 1168 sync_job {
745 if (length $$rdata) { 1169 if (length $$rdata) {
1170 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1171 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1172 $decname, length $$rdata, scalar @$objs;
748 1173
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1174 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1175 aio_chmod $fh, SAVE_MODE;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1176 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1177 if ($cf::USE_FSYNC) {
1178 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752 aio_fsync $fh; 1179 aio_fsync $fh;
1180 }
753 close $fh; 1181 aio_close $fh;
754 1182
755 if (@$objs) { 1183 if (@$objs) {
756 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1184 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757 chmod SAVE_MODE, $fh; 1185 aio_chmod $fh, SAVE_MODE;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1186 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 1187 aio_write $fh, 0, (length $data), $data, 0;
1188 if ($cf::USE_FSYNC) {
1189 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760 aio_fsync $fh; 1190 aio_fsync $fh;
1191 }
761 close $fh; 1192 aio_close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1193 aio_rename "$filename.pst~", "$filename.pst";
763 } 1194 }
764 } else { 1195 } else {
765 aio_unlink "$filename.pst"; 1196 aio_unlink "$filename.pst";
766 } 1197 }
767 1198
768 aio_rename "$filename~", $filename; 1199 aio_rename "$filename~", $filename;
1200
1201 $filename =~ s%/[^/]+$%%;
1202 aio_pathsync $filename if $cf::USE_FSYNC;
769 } else { 1203 } else {
770 warn "FATAL: $filename~: $!\n"; 1204 warn "unable to save objects: $filename~: $!\n";
771 } 1205 }
772 } else { 1206 } else {
773 aio_unlink $filename; 1207 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1208 aio_unlink "$filename.pst";
775 } 1209 }
776 } 1210 };
777} 1211}
778 1212
779sub object_freezer_as_string { 1213sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1214 my ($rdata, $objs) = @_;
781 1215
… …
793 or return; 1227 or return;
794 1228
795 unless (aio_stat "$filename.pst") { 1229 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1230 (aio_load "$filename.pst", $av) >= 0
797 or return; 1231 or return;
1232
798 $av = eval { (Storable::thaw $av)->{objs} }; 1233 my $st = eval { Coro::Storable::thaw $av };
1234 $av = $st->{objs};
799 } 1235 }
800 1236
1237 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1238 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1239 $decname, length $data, scalar @{$av || []};
1240
803 return ($data, $av); 1241 ($data, $av)
804} 1242}
1243
1244=head2 COMMAND CALLBACKS
1245
1246=over 4
1247
1248=cut
805 1249
806############################################################################# 1250#############################################################################
807# command handling &c 1251# command handling &c
808 1252
809=item cf::register_command $name => \&callback($ob,$args); 1253=item cf::register_command $name => \&callback($ob,$args);
… …
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1266 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1267}
824 1268
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1269=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1270
827Register a callbackf ro execution when the client sends an extcmd packet. 1271Register a callback for execution when the client sends an (synchronous)
1272extcmd packet. Ext commands will be processed in the order they are
1273received by the server, like other user commands. The first argument is
1274the logged-in player. Ext commands can only be processed after a player
1275has logged in successfully.
828 1276
829If the callback returns something, it is sent back as if reply was being 1277If the callback returns something, it is sent back as if reply was being
830called. 1278called.
831 1279
1280=item cf::register_exticmd $name => \&callback($ns,$packet);
1281
1282Register a callback for execution when the client sends an (asynchronous)
1283exticmd packet. Exti commands are processed by the server as soon as they
1284are received, i.e. out of order w.r.t. other commands. The first argument
1285is a client socket. Exti commands can be received anytime, even before
1286log-in.
1287
1288If the callback returns something, it is sent back as if reply was being
1289called.
1290
832=cut 1291=cut
833 1292
834sub register_extcmd { 1293sub register_extcmd {
835 my ($name, $cb) = @_; 1294 my ($name, $cb) = @_;
836 1295
837 $EXTCMD{$name} = $cb; 1296 $EXTCMD{$name} = $cb;
838} 1297}
1298
1299sub register_exticmd {
1300 my ($name, $cb) = @_;
1301
1302 $EXTICMD{$name} = $cb;
1303}
1304
1305use File::Glob ();
839 1306
840cf::player->attach ( 1307cf::player->attach (
841 on_command => sub { 1308 on_command => sub {
842 my ($pl, $name, $params) = @_; 1309 my ($pl, $name, $params) = @_;
843 1310
… …
851 cf::override; 1318 cf::override;
852 }, 1319 },
853 on_extcmd => sub { 1320 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1321 my ($pl, $buf) = @_;
855 1322
856 my $msg = eval { from_json $buf }; 1323 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1324
858 if (ref $msg) { 1325 if (ref $msg) {
1326 my ($type, $reply, @payload) =
1327 "ARRAY" eq ref $msg
1328 ? @$msg
1329 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1330
1331 my @reply;
1332
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1333 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1334 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1335 }
1336
1337 $pl->ext_reply ($reply, @reply)
1338 if $reply;
1339
864 } else { 1340 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1341 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1342 }
867 1343
868 cf::override; 1344 cf::override;
869 }, 1345 },
870); 1346);
871 1347
1348# "readahead" all extensions
872sub load_extension { 1349sub cache_extensions {
873 my ($path) = @_; 1350 my $grp = IO::AIO::aio_group;
874 1351
875 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1352 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876 my $base = $1; 1353 for (grep /\.ext$/, @{$_[0]}) {
877 my $pkg = $1; 1354 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 } 1355 }
900 die $@;
901 } 1356 };
902 1357
903 push @EXTS, $pkg; 1358 $grp
904} 1359}
905 1360
906sub load_extensions { 1361sub load_extensions {
1362 cf::sync_job {
1363 my %todo;
1364
907 for my $ext (<$LIBDIR/*.ext>) { 1365 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1366 next unless -r $path;
909 eval { 1367
910 load_extension $ext; 1368 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1369 my $base = $1;
1370 my $pkg = $1;
1371 $pkg =~ s/[^[:word:]]/_/g;
1372 $pkg = "ext::$pkg";
1373
1374 open my $fh, "<:utf8", $path
1375 or die "$path: $!";
1376
1377 my $source = do { local $/; <$fh> };
1378
1379 my %ext = (
1380 path => $path,
1381 base => $base,
1382 pkg => $pkg,
1383 );
1384
1385 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1386 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1387
1388 $ext{source} =
1389 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1390 . "#line 1 \"$path\"\n{\n"
1391 . $source
1392 . "\n};\n1";
1393
1394 $todo{$base} = \%ext;
1395 }
1396
1397 my %done;
1398 while (%todo) {
1399 my $progress;
1400
1401 while (my ($k, $v) = each %todo) {
1402 for (split /,\s*/, $v->{meta}{depends}) {
1403 goto skip
1404 unless exists $done{$_};
1405 }
1406
1407 warn "... loading '$k' into '$v->{pkg}'\n";
1408
1409 unless (eval $v->{source}) {
1410 my $msg = $@ ? "$v->{path}: $@\n"
1411 : "$v->{base}: extension inactive.\n";
1412
1413 if (exists $v->{meta}{mandatory}) {
1414 warn $msg;
1415 cf::cleanup "mandatory extension failed to load, exiting.";
1416 }
1417
1418 warn $msg;
1419 }
1420
1421 $done{$k} = delete $todo{$k};
1422 push @EXTS, $v->{pkg};
1423 $progress = 1;
911 1 1424 }
912 } or warn "$ext not loaded: $@"; 1425
1426 skip:
1427 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1428 unless $progress;
1429 }
913 } 1430 };
914} 1431}
915 1432
916############################################################################# 1433#############################################################################
917 1434
1435=back
1436
918=head2 CORE EXTENSIONS 1437=head2 CORE EXTENSIONS
919 1438
920Functions and methods that extend core crossfire objects. 1439Functions and methods that extend core deliantra objects.
921 1440
922=cut 1441=cut
923 1442
924package cf::player; 1443package cf::player;
925 1444
… …
927 1446
928=head3 cf::player 1447=head3 cf::player
929 1448
930=over 4 1449=over 4
931 1450
1451=item cf::player::num_playing
1452
1453Returns the official number of playing players, as per the Crossfire metaserver rules.
1454
1455=cut
1456
1457sub num_playing {
1458 scalar grep
1459 $_->ob->map
1460 && !$_->hidden
1461 && !$_->ob->flag (cf::FLAG_WIZ),
1462 cf::player::list
1463}
1464
932=item cf::player::find $login 1465=item cf::player::find $login
933 1466
934Returns the given player object, loading it if necessary (might block). 1467Returns the given player object, loading it if necessary (might block).
935 1468
936=cut 1469=cut
937 1470
938sub playerdir($) { 1471sub playerdir($) {
939 cf::localdir 1472 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1473 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1474}
945 1475
946sub path($) { 1476sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1477 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1478
949 (playerdir $login) . "/$login.pl" 1479 (playerdir $login) . "/playerdata"
950} 1480}
951 1481
952sub find_active($) { 1482sub find_active($) {
953 $cf::PLAYER{$_[0]} 1483 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1484 and $cf::PLAYER{$_[0]}->active
… …
957 1487
958sub exists($) { 1488sub exists($) {
959 my ($login) = @_; 1489 my ($login) = @_;
960 1490
961 $cf::PLAYER{$login} 1491 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 1492 or !aio_stat path $login
963} 1493}
964 1494
965sub find($) { 1495sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1496 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1497 my $login = $_[0];
968 1498
969 my $guard = cf::lock_acquire "user_find:$login"; 1499 my $guard = cf::lock_acquire "user_find:$login";
970 1500
971 $cf::PLAYER{$_[0]} || do { 1501 $cf::PLAYER{$_[0]} || do {
972 my $pl = load_pl path $login 1502 # rename old playerfiles to new ones
1503 #TODO: remove when no longer required
1504 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1505 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1506 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1507 aio_unlink +(playerdir $login) . "/$login.pl";
1508
1509 my $f = new_from_file cf::object::thawer path $login
973 or return; 1510 or return;
1511
1512 my $pl = cf::player::load_pl $f
1513 or return;
1514
1515 local $cf::PLAYER_LOADING{$login} = $pl;
1516 $f->resolve_delayed_derefs;
974 $cf::PLAYER{$login} = $pl 1517 $cf::PLAYER{$login} = $pl
975 } 1518 }
976 } 1519 }
977} 1520}
978 1521
… …
987 return if $pl->{deny_save}; 1530 return if $pl->{deny_save};
988 1531
989 aio_mkdir playerdir $pl, 0770; 1532 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1533 $pl->{last_save} = $cf::RUNTIME;
991 1534
1535 cf::get_slot 0.01;
1536
992 $pl->save_pl ($path); 1537 $pl->save_pl ($path);
993 Coro::cede; 1538 cf::cede_to_tick;
994} 1539}
995 1540
996sub new($) { 1541sub new($) {
997 my ($login) = @_; 1542 my ($login) = @_;
998 1543
… …
1004 $cf::PLAYER{$login} = $self; 1549 $cf::PLAYER{$login} = $self;
1005 1550
1006 $self 1551 $self
1007} 1552}
1008 1553
1554=item $player->send_msg ($channel, $msg, $color, [extra...])
1555
1556=cut
1557
1558sub send_msg {
1559 my $ns = shift->ns
1560 or return;
1561 $ns->send_msg (@_);
1562}
1563
1009=item $pl->quit_character 1564=item $pl->quit_character
1010 1565
1011Nukes the player without looking back. If logged in, the connection will 1566Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1567be destroyed. May block for a long time.
1013 1568
1014=cut 1569=cut
1015 1570
1016sub quit_character { 1571sub quit_character {
1017 my ($pl) = @_; 1572 my ($pl) = @_;
1018 1573
1574 my $name = $pl->ob->name;
1575
1019 $pl->{deny_save} = 1; 1576 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir 1577 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1021 1578
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1579 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023 $pl->deactivate; 1580 $pl->deactivate;
1581 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1582 $pl->ob->check_score;
1024 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1583 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1025 $pl->ns->destroy if $pl->ns; 1584 $pl->ns->destroy if $pl->ns;
1026 1585
1027 my $path = playerdir $pl; 1586 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1587 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1588 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1589 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1590 $pl->destroy;
1591
1592 my $prefix = qr<^~\Q$name\E/>;
1593
1594 # nuke player maps
1595 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1596
1032 IO::AIO::aio_rmtree $temp; 1597 IO::AIO::aio_rmtree $temp;
1598}
1599
1600=item $pl->kick
1601
1602Kicks a player out of the game. This destroys the connection.
1603
1604=cut
1605
1606sub kick {
1607 my ($pl, $kicker) = @_;
1608
1609 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1610 $pl->killer ("kicked");
1611 $pl->ns->destroy;
1033} 1612}
1034 1613
1035=item cf::player::list_logins 1614=item cf::player::list_logins
1036 1615
1037Returns am arrayref of all valid playernames in the system, can take a 1616Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever. 1617while and may block, so not sync_job-capable, ever.
1039 1618
1040=cut 1619=cut
1041 1620
1042sub list_logins { 1621sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1622 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1623 or return [];
1045 1624
1046 my @logins; 1625 my @logins;
1047 1626
1048 for my $login (@$dirs) { 1627 for my $login (@$dirs) {
1628 my $path = path $login;
1629
1630 # a .pst is a dead give-away for a valid player
1631 # if no pst file found, open and chekc for blocked users
1632 if (aio_stat "$path.pst") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1633 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1634 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1635 $buf !~ /^password -------------$/m or next; # official not-valid tag
1636 }
1052 1637
1053 utf8::decode $login; 1638 utf8::decode $login;
1054 push @logins, $login; 1639 push @logins, $login;
1055 } 1640 }
1056 1641
… …
1064 1649
1065=cut 1650=cut
1066 1651
1067sub maps($) { 1652sub maps($) {
1068 my ($pl) = @_; 1653 my ($pl) = @_;
1654
1655 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1656
1070 my $files = aio_readdir playerdir $pl 1657 my $files = aio_readdir playerdir $pl
1071 or return; 1658 or return;
1072 1659
1073 my @paths; 1660 my @paths;
… …
1075 for (@$files) { 1662 for (@$files) {
1076 utf8::decode $_; 1663 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1664 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1665 next unless /^$PATH_SEP/o;
1079 1666
1080 s/\.map$//; 1667 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1668 }
1083 1669
1084 \@paths 1670 \@paths
1085} 1671}
1086 1672
1673=item $protocol_xml = $player->expand_cfpod ($cfpod)
1674
1675Expand deliantra pod fragments into protocol xml.
1676
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1677=item $player->ext_reply ($msgid, @msg)
1088 1678
1089Sends an ext reply to the player. 1679Sends an ext reply to the player.
1090 1680
1091=cut 1681=cut
1092 1682
1093sub ext_reply($$$%) { 1683sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1684 my ($self, $id, @msg) = @_;
1095 1685
1096 $msg{msgid} = $id; 1686 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1687}
1100 1688
1101package cf; 1689=item $player->ext_msg ($type, @msg)
1690
1691Sends an ext event to the client.
1692
1693=cut
1694
1695sub ext_msg($$@) {
1696 my ($self, $type, @msg) = @_;
1697
1698 $self->ns->ext_msg ($type, @msg);
1699}
1700
1701=head3 cf::region
1702
1703=over 4
1704
1705=cut
1706
1707package cf::region;
1708
1709=item cf::region::find_by_path $path
1710
1711Tries to decuce the likely region for a map knowing only its path.
1712
1713=cut
1714
1715sub find_by_path($) {
1716 my ($path) = @_;
1717
1718 my ($match, $specificity);
1719
1720 for my $region (list) {
1721 if ($region->{match} && $path =~ $region->{match}) {
1722 ($match, $specificity) = ($region, $region->specificity)
1723 if $region->specificity > $specificity;
1724 }
1725 }
1726
1727 $match
1728}
1102 1729
1103=back 1730=back
1104
1105 1731
1106=head3 cf::map 1732=head3 cf::map
1107 1733
1108=over 4 1734=over 4
1109 1735
… …
1121our $MAX_RESET = 3600; 1747our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1748our $DEFAULT_RESET = 3000;
1123 1749
1124sub generate_random_map { 1750sub generate_random_map {
1125 my ($self, $rmp) = @_; 1751 my ($self, $rmp) = @_;
1752
1753 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126 1754
1127 # mit "rum" bekleckern, nicht 1755 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1756 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1757 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1758 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
… …
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1766 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1767 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1768 )
1141} 1769}
1142 1770
1771=item cf::map->register ($regex, $prio)
1772
1773Register a handler for the map path matching the given regex at the
1774givne priority (higher is better, built-in handlers have priority 0, the
1775default).
1776
1777=cut
1778
1143sub register { 1779sub register {
1144 my (undef, $regex) = @_; 1780 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1781 my $pkg = caller;
1146 1782
1147 no strict; 1783 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1784 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1785
1150 $EXT_MAP{$pkg} = qr<$regex>; 1786 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1787}
1152 1788
1153# also paths starting with '/' 1789# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1790$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155 1791
1156sub thawer_merge { 1792sub thawer_merge {
1157 my ($self, $merge) = @_; 1793 my ($self, $merge) = @_;
1158 1794
1159 # we have to keep some variables in memory intact 1795 # we have to keep some variables in memory intact
1160 local $self->{path}; 1796 local $self->{path};
1161 local $self->{load_path}; 1797 local $self->{load_path};
1162 local $self->{deny_save};
1163 local $self->{deny_reset};
1164 1798
1165 $self->SUPER::thawer_merge ($merge); 1799 $self->SUPER::thawer_merge ($merge);
1166} 1800}
1167 1801
1168sub normalise { 1802sub normalise {
1169 my ($path, $base) = @_; 1803 my ($path, $base) = @_;
1804
1805 $path = "$path"; # make sure its a string
1806
1807 $path =~ s/\.map$//;
1170 1808
1171 # map plan: 1809 # map plan:
1172 # 1810 #
1173 # /! non-realised random map exit (special hack!) 1811 # /! non-realised random map exit (special hack!)
1174 # {... are special paths that are not being touched 1812 # {... are special paths that are not being touched
… …
1202 1840
1203 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1841 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204 1842
1205 $path = normalise $path, $base; 1843 $path = normalise $path, $base;
1206 1844
1207 for my $pkg (keys %EXT_MAP) { 1845 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208 if ($path =~ $EXT_MAP{$pkg}) { 1846 if ($path =~ $EXT_MAP{$pkg}[1]) {
1209 my $self = bless cf::map::new, $pkg; 1847 my $self = bless cf::map::new, $pkg;
1210 $self->{path} = $path; $self->path ($path); 1848 $self->{path} = $path; $self->path ($path);
1211 $self->init; # pass $1 etc. 1849 $self->init; # pass $1 etc.
1212 return $self; 1850 return $self;
1213 } 1851 }
1214 } 1852 }
1215 1853
1216 Carp::carp "unable to resolve path '$path'."; 1854 Carp::cluck "unable to resolve path '$path' (base '$base').";
1217 () 1855 ()
1218} 1856}
1219 1857
1220sub init { 1858sub init {
1221 my ($self) = @_; 1859 my ($self) = @_;
… …
1236 1874
1237# the original (read-only) location 1875# the original (read-only) location
1238sub load_path { 1876sub load_path {
1239 my ($self) = @_; 1877 my ($self) = @_;
1240 1878
1241 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1879 "$MAPDIR/$self->{path}.map"
1242} 1880}
1243 1881
1244# the temporary/swap location 1882# the temporary/swap location
1245sub save_path { 1883sub save_path {
1246 my ($self) = @_; 1884 my ($self) = @_;
1247 1885
1248 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1886 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1887 "$TMPDIR/$path.map"
1250} 1888}
1251 1889
1252# the unique path, undef == no special unique path 1890# the unique path, undef == no special unique path
1253sub uniq_path { 1891sub uniq_path {
1254 my ($self) = @_; 1892 my ($self) = @_;
1255 1893
1256 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1894 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1895 "$UNIQUEDIR/$path"
1258} 1896}
1259 1897
1260# and all this just because we cannot iterate over 1898sub decay_objects {
1261# all maps in C++...
1262sub change_all_map_light {
1263 my ($change) = @_; 1899 my ($self) = @_;
1264 1900
1265 $_->change_map_light ($change) 1901 return if $self->{deny_reset};
1266 for grep $_->outdoor, values %cf::MAP; 1902
1903 $self->do_decay_objects;
1267} 1904}
1268 1905
1269sub unlink_save { 1906sub unlink_save {
1270 my ($self) = @_; 1907 my ($self) = @_;
1271 1908
… …
1276 1913
1277sub load_header_from($) { 1914sub load_header_from($) {
1278 my ($self, $path) = @_; 1915 my ($self, $path) = @_;
1279 1916
1280 utf8::encode $path; 1917 utf8::encode $path;
1281 aio_open $path, O_RDONLY, 0 1918 my $f = new_from_file cf::object::thawer $path
1282 or return; 1919 or return;
1283 1920
1284 $self->_load_header ($path) 1921 $self->_load_header ($f)
1285 or return; 1922 or return;
1286 1923
1924 local $MAP_LOADING{$self->{path}} = $self;
1925 $f->resolve_delayed_derefs;
1926
1287 $self->{load_path} = $path; 1927 $self->{load_path} = $path;
1288 1928
1289 1 1929 1
1290} 1930}
1291 1931
1292sub load_orig { 1932sub load_header_orig {
1293 my ($self) = @_; 1933 my ($self) = @_;
1294 1934
1295 $self->load_header_from ($self->load_path) 1935 $self->load_header_from ($self->load_path)
1296} 1936}
1297 1937
1298sub load_temp { 1938sub load_header_temp {
1299 my ($self) = @_; 1939 my ($self) = @_;
1300 1940
1301 $self->load_header_from ($self->save_path) 1941 $self->load_header_from ($self->save_path)
1942}
1943
1944sub prepare_temp {
1945 my ($self) = @_;
1946
1947 $self->last_access ((delete $self->{last_access})
1948 || $cf::RUNTIME); #d#
1949 # safety
1950 $self->{instantiate_time} = $cf::RUNTIME
1951 if $self->{instantiate_time} > $cf::RUNTIME;
1952}
1953
1954sub prepare_orig {
1955 my ($self) = @_;
1956
1957 $self->{load_original} = 1;
1958 $self->{instantiate_time} = $cf::RUNTIME;
1959 $self->last_access ($cf::RUNTIME);
1960 $self->instantiate;
1302} 1961}
1303 1962
1304sub load_header { 1963sub load_header {
1305 my ($self) = @_; 1964 my ($self) = @_;
1306 1965
1307 if ($self->load_temp) { 1966 if ($self->load_header_temp) {
1308 $self->last_access ((delete $self->{last_access}) 1967 $self->prepare_temp;
1309 || $cf::RUNTIME); #d#
1310 # safety
1311 $self->{instantiate_time} = $cf::RUNTIME
1312 if $self->{instantiate_time} > $cf::RUNTIME;
1313 } else { 1968 } else {
1314 $self->load_orig 1969 $self->load_header_orig
1315 or return; 1970 or return;
1316 1971 $self->prepare_orig;
1317 $self->{load_original} = 1;
1318 $self->{instantiate_time} = $cf::RUNTIME;
1319 $self->last_access ($cf::RUNTIME);
1320 $self->instantiate;
1321 } 1972 }
1973
1974 $self->{deny_reset} = 1
1975 if $self->no_reset;
1976
1977 $self->default_region (cf::region::find_by_path $self->{path})
1978 unless $self->default_region;
1322 1979
1323 1 1980 1
1324} 1981}
1325 1982
1326sub find; 1983sub find;
1327sub find { 1984sub find {
1328 my ($path, $origin) = @_; 1985 my ($path, $origin) = @_;
1329 1986
1330 $path = normalise $path, $origin && $origin->path; 1987 $path = normalise $path, $origin && $origin->path;
1331 1988
1989 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1332 cf::lock_wait "map_find:$path"; 1990 my $guard2 = cf::lock_acquire "map_find:$path";
1333 1991
1334 $cf::MAP{$path} || do { 1992 $cf::MAP{$path} || do {
1335 my $guard = cf::lock_acquire "map_find:$path";
1336 my $map = new_from_path cf::map $path 1993 my $map = new_from_path cf::map $path
1337 or return; 1994 or return;
1338 1995
1339 $map->{last_save} = $cf::RUNTIME; 1996 $map->{last_save} = $cf::RUNTIME;
1340 1997
1341 $map->load_header 1998 $map->load_header
1342 or return; 1999 or return;
1343 2000
1344 if ($map->should_reset) { 2001 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2002 # doing this can freeze the server in a sync job, obviously
1345 $cf::WAIT_FOR_TICK->wait; 2003 #$cf::WAIT_FOR_TICK->wait;
2004 undef $guard2;
2005 undef $guard1;
1346 $map->reset; 2006 $map->reset;
1347 undef $guard;
1348 $map = find $path 2007 return find $path;
1349 or return;
1350 } 2008 }
1351 2009
1352 $cf::MAP{$path} = $map 2010 $cf::MAP{$path} = $map
1353 } 2011 }
1354} 2012}
2013
2014sub pre_load { }
2015sub post_load { }
1355 2016
1356sub load { 2017sub load {
1357 my ($self) = @_; 2018 my ($self) = @_;
1358 2019
2020 local $self->{deny_reset} = 1; # loading can take a long time
2021
1359 my $path = $self->{path}; 2022 my $path = $self->{path};
2023
2024 {
1360 my $guard = cf::lock_acquire "map_load:$path"; 2025 my $guard = cf::lock_acquire "map_data:$path";
1361 2026
2027 return unless $self->valid;
1362 return if $self->in_memory != cf::MAP_SWAPPED; 2028 return unless $self->in_memory == cf::MAP_SWAPPED;
1363 2029
1364 $self->in_memory (cf::MAP_LOADING); 2030 $self->in_memory (cf::MAP_LOADING);
1365 2031
1366 $self->alloc; 2032 $self->alloc;
1367 $self->_load_objects ($self->{load_path}, 1) 2033
2034 $self->pre_load;
2035 cf::cede_to_tick;
2036
2037 my $f = new_from_file cf::object::thawer $self->{load_path};
2038 $f->skip_block;
2039 $self->_load_objects ($f)
1368 or return; 2040 or return;
1369 2041
1370 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2042 $self->post_load_original
1371 if delete $self->{load_original}; 2043 if delete $self->{load_original};
1372 2044
1373 if (my $uniq = $self->uniq_path) { 2045 if (my $uniq = $self->uniq_path) {
1374 utf8::encode $uniq; 2046 utf8::encode $uniq;
1375 if (aio_open $uniq, O_RDONLY, 0) { 2047 unless (aio_stat $uniq) {
2048 if (my $f = new_from_file cf::object::thawer $uniq) {
1376 $self->clear_unique_items; 2049 $self->clear_unique_items;
1377 $self->_load_objects ($uniq, 0); 2050 $self->_load_objects ($f);
2051 $f->resolve_delayed_derefs;
2052 }
1378 } 2053 }
1379 } 2054 }
1380 2055
1381 Coro::cede; 2056 $f->resolve_delayed_derefs;
1382 2057
2058 cf::cede_to_tick;
1383 # now do the right thing for maps 2059 # now do the right thing for maps
1384 $self->link_multipart_objects; 2060 $self->link_multipart_objects;
1385
1386 unless ($self->{deny_activate}) {
1387 $self->decay_objects;
1388 $self->fix_auto_apply;
1389 $self->update_buttons;
1390 Coro::cede;
1391 $self->set_darkness_map;
1392 $self->difficulty ($self->estimate_difficulty) 2061 $self->difficulty ($self->estimate_difficulty)
1393 unless $self->difficulty; 2062 unless $self->difficulty;
1394 Coro::cede; 2063 cf::cede_to_tick;
2064
2065 unless ($self->{deny_activate}) {
2066 $self->decay_objects;
2067 $self->fix_auto_apply;
2068 $self->update_buttons;
2069 cf::cede_to_tick;
1395 $self->activate; 2070 $self->activate;
1396 } 2071 }
1397 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1398 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_ACTIVE);
2077 }
2078
2079 $self->post_load;
1399} 2080}
1400 2081
1401sub customise_for { 2082sub customise_for {
1402 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1403 2084
1404 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1405 if $self->per_player; 2086 if $self->per_player;
1406 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1407 $self 2091 $self
1408} 2092}
1409 2093
1410# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1411sub load_diag { 2095sub load_neighbours {
1412 my ($map) = @_; 2096 my ($map) = @_;
1413 2097
1414 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1415 2099
1416 for (0 .. 3) { 2100 for (0 .. 3) {
1417 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1418 or next; 2102 or next;
1419 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1420 or next; 2104 or next;
1421 $neigh->load; 2105 $neigh->load;
1422 2106
2107 push @neigh,
1423 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1424 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1425 } 2110 }
1426 2111
1427 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1428 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1429 or next; 2115 or next;
1430 $neigh->load; 2116 $neigh->load;
1431 } 2117 }
1432} 2118}
1433 2119
… …
1438} 2124}
1439 2125
1440sub do_load_sync { 2126sub do_load_sync {
1441 my ($map) = @_; 2127 my ($map) = @_;
1442 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1443 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1444} 2133}
1445 2134
1446our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1447our $MAP_PREFETCHER = Coro::async { 2136our $MAP_PREFETCHER = undef;
1448 while () {
1449 for my $path (keys %MAP_PREFETCH) {
1450 my $map = find $path
1451 or next;
1452 $map->load;
1453
1454 delete $MAP_PREFETCH{$path};
1455 }
1456 Coro::schedule;
1457 }
1458};
1459 2137
1460sub find_async { 2138sub find_async {
1461 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1462 2140
1463 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1464 2142
1465 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2145 }
2146
2147 $MAP_PREFETCH{$path} |= $load;
2148
2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
2152 while (%MAP_PREFETCH) {
2153 while (my ($k, $v) = each %MAP_PREFETCH) {
2154 if (my $map = find $k) {
2155 $map->load if $v;
2156 }
2157
2158 delete $MAP_PREFETCH{$k};
2159 }
2160 }
2161 undef $MAP_PREFETCHER;
1467 } 2162 };
1468
1469 $MAP_PREFETCH{$path} = 0;
1470 $MAP_PREFETCHER->ready; 2163 $MAP_PREFETCHER->prio (6);
1471 2164
1472 () 2165 ()
1473} 2166}
1474 2167
1475sub save { 2168sub save {
1476 my ($self) = @_; 2169 my ($self) = @_;
1477 2170
1478 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1479 2172
1480 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1481 2174
1482 return unless $self->dirty; 2175 return unless $self->dirty;
1483 2176
… …
1489 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1490 2183
1491 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1492 2185
1493 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1494 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1495 }; 2189 };
2190
2191 cf::get_slot 0.02;
1496 2192
1497 if ($uniq) { 2193 if ($uniq) {
1498 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2194 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2195 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1500 } else { 2196 } else {
… …
1506 my ($self) = @_; 2202 my ($self) = @_;
1507 2203
1508 # save first because save cedes 2204 # save first because save cedes
1509 $self->save; 2205 $self->save;
1510 2206
1511 my $lock = cf::lock_acquire "map_data:" . $self->path; 2207 my $lock = cf::lock_acquire "map_data:$self->{path}";
1512 2208
1513 return if $self->players; 2209 return if $self->players;
1514 return if $self->in_memory != cf::MAP_IN_MEMORY; 2210 return if $self->in_memory != cf::MAP_ACTIVE;
1515 return if $self->{deny_save}; 2211 return if $self->{deny_save};
1516 2212
2213 $self->in_memory (cf::MAP_SWAPPED);
2214
2215 $self->deactivate;
2216 $_->clear_links_to ($self) for values %cf::MAP;
1517 $self->clear; 2217 $self->clear;
1518 $self->in_memory (cf::MAP_SWAPPED);
1519} 2218}
1520 2219
1521sub reset_at { 2220sub reset_at {
1522 my ($self) = @_; 2221 my ($self) = @_;
1523 2222
1524 # TODO: safety, remove and allow resettable per-player maps 2223 # TODO: safety, remove and allow resettable per-player maps
1525 return 1e99 if $self->isa ("ext::map_per_player");#d#
1526 return 1e99 if $self->{deny_reset}; 2224 return 1e99 if $self->{deny_reset};
1527 2225
1528 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2226 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2227 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530 2228
… …
1541 my ($self) = @_; 2239 my ($self) = @_;
1542 2240
1543 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2241 my $lock = cf::lock_acquire "map_data:$self->{path}";
1544 2242
1545 return if $self->players; 2243 return if $self->players;
1546 return if $self->isa ("ext::map_per_player");#d#
1547 2244
1548 warn "resetting map ", $self->path;#d# 2245 warn "resetting map ", $self->path, "\n";
2246
2247 $self->in_memory (cf::MAP_SWAPPED);
2248
2249 # need to save uniques path
2250 unless ($self->{deny_save}) {
2251 my $uniq = $self->uniq_path; utf8::encode $uniq;
2252
2253 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2254 if $uniq;
2255 }
1549 2256
1550 delete $cf::MAP{$self->path}; 2257 delete $cf::MAP{$self->path};
1551 2258
1552 $self->in_memory (cf::MAP_SWAPPED); 2259 $self->deactivate;
2260 $_->clear_links_to ($self) for values %cf::MAP;
1553 $self->clear; 2261 $self->clear;
1554
1555 $_->clear_links_to ($self) for values %cf::MAP;
1556 2262
1557 $self->unlink_save; 2263 $self->unlink_save;
1558 $self->destroy; 2264 $self->destroy;
1559} 2265}
1560 2266
1561my $nuke_counter = "aaaa"; 2267my $nuke_counter = "aaaa";
1562 2268
1563sub nuke { 2269sub nuke {
1564 my ($self) = @_; 2270 my ($self) = @_;
1565 2271
2272 {
2273 my $lock = cf::lock_acquire "map_data:$self->{path}";
2274
1566 delete $cf::MAP{$self->path}; 2275 delete $cf::MAP{$self->path};
1567 2276
1568 $self->unlink_save; 2277 $self->unlink_save;
1569 2278
1570 bless $self, "cf::map"; 2279 bless $self, "cf::map";
1571 delete $self->{deny_reset}; 2280 delete $self->{deny_reset};
1572 $self->{deny_save} = 1; 2281 $self->{deny_save} = 1;
1573 $self->reset_timeout (1); 2282 $self->reset_timeout (1);
1574 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2283 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575 2284
1576 $cf::MAP{$self->path} = $self; 2285 $cf::MAP{$self->path} = $self;
2286 }
1577 2287
1578 $self->reset; # polite request, might not happen 2288 $self->reset; # polite request, might not happen
2289}
2290
2291=item $maps = cf::map::tmp_maps
2292
2293Returns an arrayref with all map paths of currently instantiated and saved
2294maps. May block.
2295
2296=cut
2297
2298sub tmp_maps() {
2299 [
2300 map {
2301 utf8::decode $_;
2302 /\.map$/
2303 ? normalise $_
2304 : ()
2305 } @{ aio_readdir $TMPDIR or [] }
2306 ]
2307}
2308
2309=item $maps = cf::map::random_maps
2310
2311Returns an arrayref with all map paths of currently instantiated and saved
2312random maps. May block.
2313
2314=cut
2315
2316sub random_maps() {
2317 [
2318 map {
2319 utf8::decode $_;
2320 /\.map$/
2321 ? normalise "?random/$_"
2322 : ()
2323 } @{ aio_readdir $RANDOMDIR or [] }
2324 ]
1579} 2325}
1580 2326
1581=item cf::map::unique_maps 2327=item cf::map::unique_maps
1582 2328
1583Returns an arrayref of paths of all shared maps that have 2329Returns an arrayref of paths of all shared maps that have
1584instantiated unique items. May block. 2330instantiated unique items. May block.
1585 2331
1586=cut 2332=cut
1587 2333
1588sub unique_maps() { 2334sub unique_maps() {
1589 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2335 [
1590 or return; 2336 map {
1591
1592 my @paths;
1593
1594 for (@$files) {
1595 utf8::decode $_; 2337 utf8::decode $_;
1596 next if /\.pst$/; 2338 s/\.map$//; # TODO future compatibility hack
1597 next unless /^$PATH_SEP/o; 2339 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2340 ? ()
2341 : normalise $_
2342 } @{ aio_readdir $UNIQUEDIR or [] }
2343 ]
2344}
1598 2345
2346=item cf::map::static_maps
2347
2348Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2349file in the shared directory excluding F</styles>). May block.
2350
2351=cut
2352
2353sub static_maps() {
2354 my @dirs = "";
2355 my @maps;
2356
2357 while (@dirs) {
2358 my $dir = shift @dirs;
2359
2360 next if $dir eq "/styles";
2361
2362 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2363 or return;
2364
2365 for (@$files) {
1599 s/\.map$//; 2366 s/\.map$// or next;
1600 push @paths, $_; 2367 utf8::decode $_;
1601 } 2368 push @maps, "$dir/$_";
2369 }
1602 2370
1603 \@paths 2371 push @dirs, map "$dir/$_", @$dirs;
1604} 2372 }
1605 2373
1606package cf; 2374 \@maps
2375}
1607 2376
1608=back 2377=back
1609 2378
1610=head3 cf::object 2379=head3 cf::object
1611 2380
… …
1615 2384
1616=over 4 2385=over 4
1617 2386
1618=item $ob->inv_recursive 2387=item $ob->inv_recursive
1619 2388
1620Returns the inventory of the object _and_ their inventories, recursively. 2389Returns the inventory of the object I<and> their inventories, recursively,
2390but I<not> the object itself.
1621 2391
1622=cut 2392=cut
1623 2393
1624sub inv_recursive_; 2394sub inv_recursive_;
1625sub inv_recursive_ { 2395sub inv_recursive_ {
… …
1628 2398
1629sub inv_recursive { 2399sub inv_recursive {
1630 inv_recursive_ inv $_[0] 2400 inv_recursive_ inv $_[0]
1631} 2401}
1632 2402
2403=item $ref = $ob->ref
2404
2405Creates and returns a persistent reference to an object that can be stored as a string.
2406
2407=item $ob = cf::object::deref ($refstring)
2408
2409returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2410even if the object actually exists. May block.
2411
2412=cut
2413
2414sub deref {
2415 my ($ref) = @_;
2416
2417 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2418 my ($uuid, $name) = ($1, $2);
2419 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2420 or return;
2421 $pl->ob->uuid eq $uuid
2422 or return;
2423
2424 $pl->ob
2425 } else {
2426 warn "$ref: cannot resolve object reference\n";
2427 undef
2428 }
2429}
2430
1633package cf; 2431package cf;
1634 2432
1635=back 2433=back
1636 2434
1637=head3 cf::object::player 2435=head3 cf::object::player
… …
1643Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2441Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644can be C<undef>. Does the right thing when the player is currently in a 2442can be C<undef>. Does the right thing when the player is currently in a
1645dialogue with the given NPC character. 2443dialogue with the given NPC character.
1646 2444
1647=cut 2445=cut
2446
2447our $SAY_CHANNEL = {
2448 id => "say",
2449 title => "Map",
2450 reply => "say ",
2451 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2452};
2453
2454our $CHAT_CHANNEL = {
2455 id => "chat",
2456 title => "Chat",
2457 reply => "chat ",
2458 tooltip => "Player chat and shouts, global to the server.",
2459};
1648 2460
1649# rough implementation of a future "reply" method that works 2461# rough implementation of a future "reply" method that works
1650# with dialog boxes. 2462# with dialog boxes.
1651#TODO: the first argument must go, split into a $npc->reply_to ( method 2463#TODO: the first argument must go, split into a $npc->reply_to ( method
1652sub cf::object::player::reply($$$;$) { 2464sub cf::object::player::reply($$$;$) {
… …
1654 2466
1655 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2467 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656 2468
1657 if ($self->{record_replies}) { 2469 if ($self->{record_replies}) {
1658 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2470 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2471
1659 } else { 2472 } else {
2473 my $pl = $self->contr;
2474
2475 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2476 my $dialog = $pl->{npc_dialog};
2477 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2478
2479 } else {
1660 $msg = $npc->name . " says: $msg" if $npc; 2480 $msg = $npc->name . " says: $msg" if $npc;
1661 $self->message ($msg, $flags); 2481 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2482 }
1662 } 2483 }
2484}
2485
2486=item $object->send_msg ($channel, $msg, $color, [extra...])
2487
2488=cut
2489
2490sub cf::object::send_msg {
2491 my $pl = shift->contr
2492 or return;
2493 $pl->send_msg (@_);
1663} 2494}
1664 2495
1665=item $player_object->may ("access") 2496=item $player_object->may ("access")
1666 2497
1667Returns wether the given player is authorized to access resource "access" 2498Returns wether the given player is authorized to access resource "access"
… …
1680 2511
1681=item $player_object->enter_link 2512=item $player_object->enter_link
1682 2513
1683Freezes the player and moves him/her to a special map (C<{link}>). 2514Freezes the player and moves him/her to a special map (C<{link}>).
1684 2515
1685The player should be reasonably safe there for short amounts of time. You 2516The player should be reasonably safe there for short amounts of time (e.g.
1686I<MUST> call C<leave_link> as soon as possible, though. 2517for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2518though, as the palyer cannot control the character while it is on the link
2519map.
1687 2520
1688Will never block. 2521Will never block.
1689 2522
1690=item $player_object->leave_link ($map, $x, $y) 2523=item $player_object->leave_link ($map, $x, $y)
1691 2524
… …
1699=cut 2532=cut
1700 2533
1701sub link_map { 2534sub link_map {
1702 unless ($LINK_MAP) { 2535 unless ($LINK_MAP) {
1703 $LINK_MAP = cf::map::find "{link}" 2536 $LINK_MAP = cf::map::find "{link}"
1704 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2537 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705 $LINK_MAP->load; 2538 $LINK_MAP->load;
1706 } 2539 }
1707 2540
1708 $LINK_MAP 2541 $LINK_MAP
1709} 2542}
… …
1714 $self->deactivate_recursive; 2547 $self->deactivate_recursive;
1715 2548
1716 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2549 return if UNIVERSAL::isa $self->map, "ext::map_link";
1717 2550
1718 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2551 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719 if $self->map; 2552 if $self->map && $self->map->{path} ne "{link}";
1720 2553
1721 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2554 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1722} 2555}
1723 2556
1724sub cf::object::player::leave_link { 2557sub cf::object::player::leave_link {
1725 my ($self, $map, $x, $y) = @_; 2558 my ($self, $map, $x, $y) = @_;
2559
2560 return unless $self->contr->active;
1726 2561
1727 my $link_pos = delete $self->{_link_pos}; 2562 my $link_pos = delete $self->{_link_pos};
1728 2563
1729 unless ($map) { 2564 unless ($map) {
1730 # restore original map position 2565 # restore original map position
… …
1744 # use -1 or undef as default coordinates, not 0, 0 2579 # use -1 or undef as default coordinates, not 0, 0
1745 ($x, $y) = ($map->enter_x, $map->enter_y) 2580 ($x, $y) = ($map->enter_x, $map->enter_y)
1746 if $x <=0 && $y <= 0; 2581 if $x <=0 && $y <= 0;
1747 2582
1748 $map->load; 2583 $map->load;
1749 $map->load_diag; 2584 $map->load_neighbours;
1750 2585
1751 return unless $self->contr->active; 2586 return unless $self->contr->active;
2587
2588 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589 $self->enter_map ($map, $x, $y);
2590
2591 # only activate afterwards, to support waiting in hooks
1752 $self->activate_recursive; 2592 $self->activate_recursive;
1753 $self->enter_map ($map, $x, $y);
1754} 2593}
1755 2594
1756cf::player->attach ( 2595=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757 on_logout => sub {
1758 my ($pl) = @_;
1759 2596
1760 # abort map switching before logout 2597Moves the player to the given map-path and coordinates by first freezing
1761 if ($pl->ob->{_link_pos}) { 2598her, loading and preparing them map, calling the provided $check callback
1762 cf::sync_job { 2599that has to return the map if sucecssful, and then unfreezes the player on
1763 $pl->ob->leave_link 2600the new (success) or old (failed) map position. In either case, $done will
1764 }; 2601be called at the end of this process.
1765 }
1766 },
1767 on_login => sub {
1768 my ($pl) = @_;
1769 2602
1770 # try to abort aborted map switching on player login :) 2603Note that $check will be called with a potentially non-loaded map, so if
1771 # should happen only on crashes 2604it needs a loaded map it has to call C<< ->load >>.
1772 if ($pl->ob->{_link_pos}) {
1773 $pl->ob->enter_link;
1774 (async {
1775 # we need this sleep as the login has a concurrent enter_exit running
1776 # and this sleep increases chances of the player not ending up in scorn
1777 $pl->ob->reply (undef,
1778 "There was an internal problem at your last logout, "
1779 . "the server will try to bring you to your intended destination in a second.",
1780 cf::NDI_RED);
1781 Coro::Timer::sleep 1;
1782 $pl->ob->leave_link;
1783 })->prio (2);
1784 }
1785 },
1786);
1787 2605
1788=item $player_object->goto ($path, $x, $y)
1789
1790=cut 2606=cut
2607
2608our $GOTOGEN;
1791 2609
1792sub cf::object::player::goto { 2610sub cf::object::player::goto {
1793 my ($self, $path, $x, $y) = @_; 2611 my ($self, $path, $x, $y, $check, $done) = @_;
2612
2613 # do generation counting so two concurrent goto's will be executed in-order
2614 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794 2615
1795 $self->enter_link; 2616 $self->enter_link;
1796 2617
1797 (async { 2618 (async {
1798 my $map = cf::map::find $path; 2619 $Coro::current->{desc} = "player::goto $path $x $y";
2620
2621 # *tag paths override both path and x|y
2622 if ($path =~ /^\*(.*)$/) {
2623 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2624 my $ob = $obs[rand @obs];
2625
2626 # see if we actually can go there
2627 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2628 $ob = $obs[rand @obs];
2629 } else {
2630 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2631 }
2632 # else put us there anyways for now #d#
2633
2634 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2635 } else {
2636 ($path, $x, $y) = (undef, undef, undef);
2637 }
2638 }
2639
2640 my $map = eval {
2641 my $map = defined $path ? cf::map::find $path : undef;
2642
2643 if ($map) {
1799 $map = $map->customise_for ($self) if $map; 2644 $map = $map->customise_for ($self);
1800 2645 $map = $check->($map) if $check && $map;
1801# warn "entering ", $map->path, " at ($x, $y)\n" 2646 } else {
1802# if $map;
1803
1804 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2647 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2648 }
1805 2649
2650 $map
2651 };
2652
2653 if ($@) {
2654 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2655 LOG llevError | logBacktrace, Carp::longmess $@;
2656 }
2657
2658 if ($gen == $self->{_goto_generation}) {
2659 delete $self->{_goto_generation};
1806 $self->leave_link ($map, $x, $y); 2660 $self->leave_link ($map, $x, $y);
2661 }
2662
2663 $done->() if $done;
1807 })->prio (1); 2664 })->prio (1);
1808} 2665}
1809 2666
1810=item $player_object->enter_exit ($exit_object) 2667=item $player_object->enter_exit ($exit_object)
1811 2668
… …
1813 2670
1814sub parse_random_map_params { 2671sub parse_random_map_params {
1815 my ($spec) = @_; 2672 my ($spec) = @_;
1816 2673
1817 my $rmp = { # defaults 2674 my $rmp = { # defaults
1818 xsize => 10, 2675 xsize => (cf::rndm 15, 40),
1819 ysize => 10, 2676 ysize => (cf::rndm 15, 40),
2677 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2678 #layout => string,
1820 }; 2679 };
1821 2680
1822 for (split /\n/, $spec) { 2681 for (split /\n/, $spec) {
1823 my ($k, $v) = split /\s+/, $_, 2; 2682 my ($k, $v) = split /\s+/, $_, 2;
1824 2683
… …
1836 # that depends on the exit object 2695 # that depends on the exit object
1837 2696
1838 my $rmp = parse_random_map_params $exit->msg; 2697 my $rmp = parse_random_map_params $exit->msg;
1839 2698
1840 if ($exit->map) { 2699 if ($exit->map) {
1841 $rmp->{region} = $exit->map->region_name; 2700 $rmp->{region} = $exit->region->name;
1842 $rmp->{origin_map} = $exit->map->path; 2701 $rmp->{origin_map} = $exit->map->path;
1843 $rmp->{origin_x} = $exit->x; 2702 $rmp->{origin_x} = $exit->x;
1844 $rmp->{origin_y} = $exit->y; 2703 $rmp->{origin_y} = $exit->y;
2704
2705 $exit->map->touch;
1845 } 2706 }
1846 2707
1847 $rmp->{random_seed} ||= $exit->random_seed; 2708 $rmp->{random_seed} ||= $exit->random_seed;
1848 2709
1849 my $data = cf::to_json $rmp; 2710 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850 my $md5 = Digest::MD5::md5_hex $data; 2711 my $md5 = Digest::MD5::md5_hex $data;
1851 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2712 my $meta = "$RANDOMDIR/$md5.meta";
1852 2713
1853 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2714 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854 aio_write $fh, 0, (length $data), $data, 0; 2715 aio_write $fh, 0, (length $data), $data, 0;
1855 undef $fh; 2716 undef $fh;
1856 aio_rename "$meta~", $meta; 2717 aio_rename "$meta~", $meta;
1857 2718
2719 my $slaying = "?random/$md5";
2720
2721 if ($exit->valid) {
1858 $exit->slaying ("?random/$md5"); 2722 $exit->slaying ("?random/$md5");
1859 $exit->msg (undef); 2723 $exit->msg (undef);
2724 }
1860 } 2725 }
1861} 2726}
1862 2727
1863sub cf::object::player::enter_exit { 2728sub cf::object::player::enter_exit {
1864 my ($self, $exit) = @_; 2729 my ($self, $exit) = @_;
… …
1866 return unless $self->type == cf::PLAYER; 2731 return unless $self->type == cf::PLAYER;
1867 2732
1868 $self->enter_link; 2733 $self->enter_link;
1869 2734
1870 (async { 2735 (async {
1871 $self->deactivate_recursive; # just to be sure 2736 $Coro::current->{desc} = "enter_exit";
2737
1872 unless (eval { 2738 unless (eval {
2739 $self->deactivate_recursive; # just to be sure
2740
2741 # random map handling
2742 {
2743 my $guard = cf::lock_acquire "exit_prepare:$exit";
2744
1873 prepare_random_map $exit 2745 prepare_random_map $exit
1874 if $exit->slaying eq "/!"; 2746 if $exit->slaying eq "/!";
2747 }
1875 2748
1876 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2749 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1877 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2750 my $x = $exit->stats->hp;
2751 my $y = $exit->stats->sp;
1878 2752
2753 $self->goto ($map, $x, $y);
2754
2755 # if exit is damned, update players death & WoR home-position
2756 $self->contr->savebed ($map, $x, $y)
2757 if $exit->flag (cf::FLAG_DAMNED);
2758
1879 1; 2759 1
1880 }) { 2760 }) {
1881 $self->message ("Something went wrong deep within the crossfire server. " 2761 $self->message ("Something went wrong deep within the deliantra server. "
1882 . "I'll try to bring you back to the map you were before. " 2762 . "I'll try to bring you back to the map you were before. "
1883 . "Please report this to the dungeon master!", 2763 . "Please report this to the dungeon master!",
1884 cf::NDI_UNIQUE | cf::NDI_RED); 2764 cf::NDI_UNIQUE | cf::NDI_RED);
1885 2765
1886 warn "ERROR in enter_exit: $@"; 2766 warn "ERROR in enter_exit: $@";
1887 $self->leave_link; 2767 $self->leave_link;
1888 } 2768 }
1889 })->prio (1); 2769 })->prio (1);
… …
1902 2782
1903sub cf::client::send_drawinfo { 2783sub cf::client::send_drawinfo {
1904 my ($self, $text, $flags) = @_; 2784 my ($self, $text, $flags) = @_;
1905 2785
1906 utf8::encode $text; 2786 utf8::encode $text;
1907 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2787 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908} 2788}
1909 2789
2790=item $client->send_msg ($channel, $msg, $color, [extra...])
2791
2792Send a drawinfo or msg packet to the client, formatting the msg for the
2793client if neccessary. C<$type> should be a string identifying the type of
2794the message, with C<log> being the default. If C<$color> is negative, suppress
2795the message unless the client supports the msg packet.
2796
2797=cut
2798
2799# non-persistent channels (usually the info channel)
2800our %CHANNEL = (
2801 "c/motd" => {
2802 id => "infobox",
2803 title => "MOTD",
2804 reply => undef,
2805 tooltip => "The message of the day",
2806 },
2807 "c/identify" => {
2808 id => "infobox",
2809 title => "Identify",
2810 reply => undef,
2811 tooltip => "Items recently identified",
2812 },
2813 "c/examine" => {
2814 id => "infobox",
2815 title => "Examine",
2816 reply => undef,
2817 tooltip => "Signs and other items you examined",
2818 },
2819 "c/shopinfo" => {
2820 id => "infobox",
2821 title => "Shop Info",
2822 reply => undef,
2823 tooltip => "What your bargaining skill tells you about the shop",
2824 },
2825 "c/book" => {
2826 id => "infobox",
2827 title => "Book",
2828 reply => undef,
2829 tooltip => "The contents of a note or book",
2830 },
2831 "c/lookat" => {
2832 id => "infobox",
2833 title => "Look",
2834 reply => undef,
2835 tooltip => "What you saw there",
2836 },
2837 "c/who" => {
2838 id => "infobox",
2839 title => "Players",
2840 reply => undef,
2841 tooltip => "Shows players who are currently online",
2842 },
2843 "c/body" => {
2844 id => "infobox",
2845 title => "Body Parts",
2846 reply => undef,
2847 tooltip => "Shows which body parts you posess and are available",
2848 },
2849 "c/statistics" => {
2850 id => "infobox",
2851 title => "Statistics",
2852 reply => undef,
2853 tooltip => "Shows your primary statistics",
2854 },
2855 "c/skills" => {
2856 id => "infobox",
2857 title => "Skills",
2858 reply => undef,
2859 tooltip => "Shows your experience per skill and item power",
2860 },
2861 "c/shopitems" => {
2862 id => "infobox",
2863 title => "Shop Items",
2864 reply => undef,
2865 tooltip => "Shows the items currently for sale in this shop",
2866 },
2867 "c/resistances" => {
2868 id => "infobox",
2869 title => "Resistances",
2870 reply => undef,
2871 tooltip => "Shows your resistances",
2872 },
2873 "c/pets" => {
2874 id => "infobox",
2875 title => "Pets",
2876 reply => undef,
2877 tooltip => "Shows information abotu your pets/a specific pet",
2878 },
2879 "c/perceiveself" => {
2880 id => "infobox",
2881 title => "Perceive Self",
2882 reply => undef,
2883 tooltip => "You gained detailed knowledge about yourself",
2884 },
2885 "c/uptime" => {
2886 id => "infobox",
2887 title => "Uptime",
2888 reply => undef,
2889 tooltip => "How long the server has been running since last restart",
2890 },
2891 "c/mapinfo" => {
2892 id => "infobox",
2893 title => "Map Info",
2894 reply => undef,
2895 tooltip => "Information related to the maps",
2896 },
2897 "c/party" => {
2898 id => "party",
2899 title => "Party",
2900 reply => "gsay ",
2901 tooltip => "Messages and chat related to your party",
2902 },
2903 "c/death" => {
2904 id => "death",
2905 title => "Death",
2906 reply => undef,
2907 tooltip => "Reason for and more info about your most recent death",
2908 },
2909 "c/say" => $SAY_CHANNEL,
2910 "c/chat" => $CHAT_CHANNEL,
2911);
2912
2913sub cf::client::send_msg {
2914 my ($self, $channel, $msg, $color, @extra) = @_;
2915
2916 $msg = $self->pl->expand_cfpod ($msg)
2917 unless $color & cf::NDI_VERBATIM;
2918
2919 $color &= cf::NDI_CLIENT_MASK; # just in case...
2920
2921 # check predefined channels, for the benefit of C
2922 if ($CHANNEL{$channel}) {
2923 $channel = $CHANNEL{$channel};
2924
2925 $self->ext_msg (channel_info => $channel);
2926 $channel = $channel->{id};
2927
2928 } elsif (ref $channel) {
2929 # send meta info to client, if not yet sent
2930 unless (exists $self->{channel}{$channel->{id}}) {
2931 $self->{channel}{$channel->{id}} = $channel;
2932 $self->ext_msg (channel_info => $channel);
2933 }
2934
2935 $channel = $channel->{id};
2936 }
2937
2938 return unless @extra || length $msg;
2939
2940 # default colour, mask it out
2941 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2942 if $color & cf::NDI_DEF;
2943
2944 my $pkt = "msg "
2945 . $self->{json_coder}->encode (
2946 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2947 );
2948
2949 # try lzf for large packets
2950 $pkt = "lzf " . Compress::LZF::compress $pkt
2951 if 1024 <= length $pkt and $self->{can_lzf};
2952
2953 # split very large packets
2954 if (8192 < length $pkt and $self->{can_lzf}) {
2955 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2956 $pkt = "frag";
2957 }
2958
2959 $self->send_packet ($pkt);
2960}
2961
2962=item $client->ext_msg ($type, @msg)
2963
2964Sends an ext event to the client.
2965
2966=cut
2967
2968sub cf::client::ext_msg($$@) {
2969 my ($self, $type, @msg) = @_;
2970
2971 if ($self->extcmd == 2) {
2972 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2973 } elsif ($self->extcmd == 1) { # TODO: remove
2974 push @msg, msgtype => "event_$type";
2975 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2976 }
2977}
2978
2979=item $client->ext_reply ($msgid, @msg)
2980
2981Sends an ext reply to the client.
2982
2983=cut
2984
2985sub cf::client::ext_reply($$@) {
2986 my ($self, $id, @msg) = @_;
2987
2988 if ($self->extcmd == 2) {
2989 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2990 } elsif ($self->extcmd == 1) {
2991 #TODO: version 1, remove
2992 unshift @msg, msgtype => "reply", msgid => $id;
2993 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2994 }
2995}
1910 2996
1911=item $success = $client->query ($flags, "text", \&cb) 2997=item $success = $client->query ($flags, "text", \&cb)
1912 2998
1913Queues a query to the client, calling the given callback with 2999Queues a query to the client, calling the given callback with
1914the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3000the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1915C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3001C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1916 3002
1917Queries can fail, so check the return code. Or don't, as queries will become 3003Queries can fail, so check the return code. Or don't, as queries will
1918reliable at some point in the future. 3004become reliable at some point in the future.
1919 3005
1920=cut 3006=cut
1921 3007
1922sub cf::client::query { 3008sub cf::client::query {
1923 my ($self, $flags, $text, $cb) = @_; 3009 my ($self, $flags, $text, $cb) = @_;
… …
1931 utf8::encode $text; 3017 utf8::encode $text;
1932 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3018 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1933 3019
1934 $self->send_packet ($self->{query_queue}[0][0]) 3020 $self->send_packet ($self->{query_queue}[0][0])
1935 if @{ $self->{query_queue} } == 1; 3021 if @{ $self->{query_queue} } == 1;
3022
3023 1
1936} 3024}
1937 3025
1938cf::client->attach ( 3026cf::client->attach (
3027 on_connect => sub {
3028 my ($ns) = @_;
3029
3030 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3031 },
1939 on_reply => sub { 3032 on_reply => sub {
1940 my ($ns, $msg) = @_; 3033 my ($ns, $msg) = @_;
1941 3034
1942 # this weird shuffling is so that direct followup queries 3035 # this weird shuffling is so that direct followup queries
1943 # get handled first 3036 # get handled first
1944 my $queue = delete $ns->{query_queue} 3037 my $queue = delete $ns->{query_queue}
1945 or return; # be conservative, not sure how that can happen, but we saw a crash here 3038 or return; # be conservative, not sure how that can happen, but we saw a crash here
1946 3039
1947 (shift @$queue)->[1]->($msg); 3040 (shift @$queue)->[1]->($msg);
3041 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948 3042
1949 push @{ $ns->{query_queue} }, @$queue; 3043 push @{ $ns->{query_queue} }, @$queue;
1950 3044
1951 if (@{ $ns->{query_queue} } == @$queue) { 3045 if (@{ $ns->{query_queue} } == @$queue) {
1952 if (@$queue) { 3046 if (@$queue) {
… …
1954 } else { 3048 } else {
1955 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3049 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1956 } 3050 }
1957 } 3051 }
1958 }, 3052 },
3053 on_exticmd => sub {
3054 my ($ns, $buf) = @_;
3055
3056 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3057
3058 if (ref $msg) {
3059 my ($type, $reply, @payload) =
3060 "ARRAY" eq ref $msg
3061 ? @$msg
3062 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3063
3064 my @reply;
3065
3066 if (my $cb = $EXTICMD{$type}) {
3067 @reply = $cb->($ns, @payload);
3068 }
3069
3070 $ns->ext_reply ($reply, @reply)
3071 if $reply;
3072
3073 } else {
3074 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3075 }
3076
3077 cf::override;
3078 },
1959); 3079);
1960 3080
1961=item $client->async (\&cb) 3081=item $client->async (\&cb)
1962 3082
1963Create a new coroutine, running the specified callback. The coroutine will 3083Create a new coroutine, running the specified callback. The coroutine will
… …
2004our $safe = new Safe "safe"; 3124our $safe = new Safe "safe";
2005our $safe_hole = new Safe::Hole; 3125our $safe_hole = new Safe::Hole;
2006 3126
2007$SIG{FPE} = 'IGNORE'; 3127$SIG{FPE} = 'IGNORE';
2008 3128
2009$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3129$safe->permit_only (Opcode::opset qw(
3130 :base_core :base_mem :base_orig :base_math
3131 grepstart grepwhile mapstart mapwhile
3132 sort time
3133));
2010 3134
2011# here we export the classes and methods available to script code 3135# here we export the classes and methods available to script code
2012 3136
2013=pod 3137=pod
2014 3138
2015The following fucntions and emthods are available within a safe environment: 3139The following functions and methods are available within a safe environment:
2016 3140
2017 cf::object contr pay_amount pay_player map 3141 cf::object
3142 contr pay_amount pay_player map x y force_find force_add destroy
3143 insert remove name archname title slaying race decrease split
3144 value
3145
2018 cf::object::player player 3146 cf::object::player
2019 cf::player peaceful 3147 player
2020 cf::map trigger 3148
3149 cf::player
3150 peaceful
3151
3152 cf::map
3153 trigger
2021 3154
2022=cut 3155=cut
2023 3156
2024for ( 3157for (
2025 ["cf::object" => qw(contr pay_amount pay_player map)], 3158 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3159 insert remove inv nrof name archname title slaying race
3160 decrease split destroy change_exp value msg lore send_msg)],
2026 ["cf::object::player" => qw(player)], 3161 ["cf::object::player" => qw(player)],
2027 ["cf::player" => qw(peaceful)], 3162 ["cf::player" => qw(peaceful send_msg)],
2028 ["cf::map" => qw(trigger)], 3163 ["cf::map" => qw(trigger)],
2029) { 3164) {
2030 no strict 'refs'; 3165 no strict 'refs';
2031 my ($pkg, @funs) = @$_; 3166 my ($pkg, @funs) = @$_;
2032 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3167 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2049 my ($code, %vars) = @_; 3184 my ($code, %vars) = @_;
2050 3185
2051 my $qcode = $code; 3186 my $qcode = $code;
2052 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3187 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2053 $qcode =~ s/\n/\\n/g; 3188 $qcode =~ s/\n/\\n/g;
3189
3190 %vars = (_dummy => 0) unless %vars;
2054 3191
2055 local $_; 3192 local $_;
2056 local @safe::cf::_safe_eval_args = values %vars; 3193 local @safe::cf::_safe_eval_args = values %vars;
2057 3194
2058 my $eval = 3195 my $eval =
… …
2101=back 3238=back
2102 3239
2103=cut 3240=cut
2104 3241
2105############################################################################# 3242#############################################################################
3243# the server's init and main functions
2106 3244
2107=head2 EXTENSION DATABASE SUPPORT 3245sub load_facedata($) {
3246 my ($path) = @_;
2108 3247
2109Crossfire maintains a very simple database for extension use. It can 3248 # HACK to clear player env face cache, we need some signal framework
2110currently store anything that can be serialised using Storable, which 3249 # for this (global event?)
2111excludes objects. 3250 %ext::player_env::MUSIC_FACE_CACHE = ();
2112 3251
2113The parameter C<$family> should best start with the name of the extension 3252 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2114using it, it should be unique.
2115 3253
2116=over 4 3254 warn "loading facedata from $path\n";
2117 3255
2118=item $hashref = cf::db_get $family 3256 my $facedata;
3257 0 < aio_load $path, $facedata
3258 or die "$path: $!";
2119 3259
2120Return a hashref for use by the extension C<$family>, which can be 3260 $facedata = Coro::Storable::thaw $facedata;
2121modified. After modifications, you have to call C<cf::db_dirty> or
2122C<cf::db_sync>.
2123 3261
2124=item $value = cf::db_get $family => $key 3262 $facedata->{version} == 2
3263 or cf::cleanup "$path: version mismatch, cannot proceed.";
2125 3264
2126Returns a single value from the database 3265 # patch in the exptable
2127 3266 $facedata->{resource}{"res/exp_table"} = {
2128=item cf::db_put $family => $hashref 3267 type => FT_RSRC,
2129 3268 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2130Stores the given family hashref into the database. Updates are delayed, if
2131you want the data to be synced to disk immediately, use C<cf::db_sync>.
2132
2133=item cf::db_put $family => $key => $value
2134
2135Stores the given C<$value> in the family hash. Updates are delayed, if you
2136want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138=item cf::db_dirty
2139
2140Marks the database as dirty, to be updated at a later time.
2141
2142=item cf::db_sync
2143
2144Immediately write the database to disk I<if it is dirty>.
2145
2146=cut
2147
2148our $DB;
2149
2150{
2151 my $path = cf::localdir . "/database.pst";
2152
2153 sub db_load() {
2154 $DB = stat $path ? Storable::retrieve $path : { };
2155 }
2156
2157 my $pid;
2158
2159 sub db_save() {
2160 waitpid $pid, 0 if $pid;
2161 if (0 == ($pid = fork)) {
2162 $DB->{_meta}{version} = 1;
2163 Storable::nstore $DB, "$path~";
2164 rename "$path~", $path;
2165 cf::_exit 0 if defined $pid;
2166 }
2167 }
2168
2169 my $dirty;
2170
2171 sub db_sync() {
2172 db_save if $dirty;
2173 undef $dirty;
2174 }
2175
2176 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177 db_sync;
2178 }); 3269 };
3270 cf::cede_to_tick;
2179 3271
2180 sub db_dirty() {
2181 $dirty = 1;
2182 $idle->start;
2183 } 3272 {
3273 my $faces = $facedata->{faceinfo};
2184 3274
2185 sub db_get($;$) { 3275 while (my ($face, $info) = each %$faces) {
2186 @_ >= 2 3276 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2187 ? $DB->{$_[0]}{$_[1]}
2188 : ($DB->{$_[0]} ||= { })
2189 }
2190 3277
2191 sub db_put($$;$) { 3278 cf::face::set_visibility $idx, $info->{visibility};
2192 if (@_ >= 3) { 3279 cf::face::set_magicmap $idx, $info->{magicmap};
2193 $DB->{$_[0]}{$_[1]} = $_[2]; 3280 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2194 } else { 3281 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2195 $DB->{$_[0]} = $_[1];
2196 }
2197 db_dirty;
2198 }
2199 3282
2200 cf::global->attach ( 3283 cf::cede_to_tick;
2201 prio => 10000,
2202 on_cleanup => sub {
2203 db_sync;
2204 }, 3284 }
2205 );
2206}
2207 3285
2208############################################################################# 3286 while (my ($face, $info) = each %$faces) {
2209# the server's main() 3287 next unless $info->{smooth};
2210 3288
2211sub cfg_load { 3289 my $idx = cf::face::find $face
3290 or next;
3291
3292 if (my $smooth = cf::face::find $info->{smooth}) {
3293 cf::face::set_smooth $idx, $smooth;
3294 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3295 } else {
3296 warn "smooth face '$info->{smooth}' not found for face '$face'";
3297 }
3298
3299 cf::cede_to_tick;
3300 }
3301 }
3302
3303 {
3304 my $anims = $facedata->{animinfo};
3305
3306 while (my ($anim, $info) = each %$anims) {
3307 cf::anim::set $anim, $info->{frames}, $info->{facings};
3308 cf::cede_to_tick;
3309 }
3310
3311 cf::anim::invalidate_all; # d'oh
3312 }
3313
3314 {
3315 # TODO: for gcfclient pleasure, we should give resources
3316 # that gcfclient doesn't grok a >10000 face index.
3317 my $res = $facedata->{resource};
3318
3319 while (my ($name, $info) = each %$res) {
3320 if (defined $info->{type}) {
3321 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3322 my $data;
3323
3324 if ($info->{type} & 1) {
3325 # prepend meta info
3326
3327 my $meta = $enc->encode ({
3328 name => $name,
3329 %{ $info->{meta} || {} },
3330 });
3331
3332 $data = pack "(w/a*)*", $meta, $info->{data};
3333 } else {
3334 $data = $info->{data};
3335 }
3336
3337 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3338 cf::face::set_type $idx, $info->{type};
3339 } else {
3340 $RESOURCE{$name} = $info;
3341 }
3342
3343 cf::cede_to_tick;
3344 }
3345 }
3346
3347 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3348
3349 1
3350}
3351
3352cf::global->attach (on_resource_update => sub {
3353 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3354 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3355
3356 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3357 my $sound = $soundconf->{compat}[$_]
3358 or next;
3359
3360 my $face = cf::face::find "sound/$sound->[1]";
3361 cf::sound::set $sound->[0] => $face;
3362 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3363 }
3364
3365 while (my ($k, $v) = each %{$soundconf->{event}}) {
3366 my $face = cf::face::find "sound/$v";
3367 cf::sound::set $k => $face;
3368 }
3369 }
3370});
3371
3372register_exticmd fx_want => sub {
3373 my ($ns, $want) = @_;
3374
3375 while (my ($k, $v) = each %$want) {
3376 $ns->fx_want ($k, $v);
3377 }
3378};
3379
3380sub load_resource_file($) {
3381 my $guard = lock_acquire "load_resource_file";
3382
3383 my $status = load_resource_file_ $_[0];
3384 get_slot 0.1, 100;
3385 cf::arch::commit_load;
3386
3387 $status
3388}
3389
3390sub reload_regions {
3391 # HACK to clear player env face cache, we need some signal framework
3392 # for this (global event?)
3393 %ext::player_env::MUSIC_FACE_CACHE = ();
3394
3395 load_resource_file "$MAPDIR/regions"
3396 or die "unable to load regions file\n";
3397
3398 for (cf::region::list) {
3399 $_->{match} = qr/$_->{match}/
3400 if exists $_->{match};
3401 }
3402}
3403
3404sub reload_facedata {
3405 load_facedata "$DATADIR/facedata"
3406 or die "unable to load facedata\n";
3407}
3408
3409sub reload_archetypes {
3410 load_resource_file "$DATADIR/archetypes"
3411 or die "unable to load archetypes\n";
3412}
3413
3414sub reload_treasures {
3415 load_resource_file "$DATADIR/treasures"
3416 or die "unable to load treasurelists\n";
3417}
3418
3419sub reload_resources {
3420 warn "reloading resource files...\n";
3421
3422 reload_facedata;
3423 reload_archetypes;
3424 reload_regions;
3425 reload_treasures;
3426
3427 warn "finished reloading resource files\n";
3428}
3429
3430sub reload_config {
3431 warn "reloading config file...\n";
3432
2212 open my $fh, "<:utf8", cf::confdir . "/config" 3433 open my $fh, "<:utf8", "$CONFDIR/config"
2213 or return; 3434 or return;
2214 3435
2215 local $/; 3436 local $/;
2216 *CFG = YAML::Syck::Load <$fh>; 3437 *CFG = YAML::XS::Load scalar <$fh>;
2217 3438
2218 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3439 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2219 3440
2220 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3441 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2221 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3442 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2225 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3446 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2226 and die "WARNING: m(un)lockall failed: $!\n"; 3447 and die "WARNING: m(un)lockall failed: $!\n";
2227 }; 3448 };
2228 warn $@ if $@; 3449 warn $@ if $@;
2229 } 3450 }
3451
3452 warn "finished reloading resource files\n";
3453}
3454
3455sub pidfile() {
3456 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3457 or die "$PIDFILE: $!";
3458 flock $fh, &Fcntl::LOCK_EX
3459 or die "$PIDFILE: flock: $!";
3460 $fh
3461}
3462
3463# make sure only one server instance is running at any one time
3464sub atomic {
3465 my $fh = pidfile;
3466
3467 my $pid = <$fh>;
3468 kill 9, $pid if $pid > 0;
3469
3470 seek $fh, 0, 0;
3471 print $fh $$;
3472}
3473
3474sub main_loop {
3475 warn "EV::loop starting\n";
3476 if (1) {
3477 EV::loop;
3478 }
3479 warn "EV::loop returned\n";
3480 goto &main_loop unless $REALLY_UNLOOP;
2230} 3481}
2231 3482
2232sub main { 3483sub main {
3484 cf::init_globals; # initialise logging
3485
3486 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3487 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3488 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3489 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3490
3491 cf::init_experience;
3492 cf::init_anim;
3493 cf::init_attackmess;
3494 cf::init_dynamic;
3495
3496 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3497
2233 # we must not ever block the main coroutine 3498 # we must not ever block the main coroutine
2234 local $Coro::idle = sub { 3499 local $Coro::idle = sub {
2235 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3500 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2236 (async { 3501 (async {
2237 Event::one_event; 3502 $Coro::current->{desc} = "IDLE BUG HANDLER";
3503 EV::loop EV::LOOP_ONESHOT;
2238 })->prio (Coro::PRIO_MAX); 3504 })->prio (Coro::PRIO_MAX);
2239 }; 3505 };
2240 3506
2241 cfg_load; 3507 evthread_start IO::AIO::poll_fileno;
2242 db_load; 3508
3509 cf::sync_job {
3510 reload_resources;
3511 reload_config;
3512 db_init;
3513
3514 cf::load_settings;
3515 cf::load_materials;
3516 cf::init_uuid;
3517 cf::init_signals;
3518 cf::init_commands;
3519 cf::init_skills;
3520
3521 cf::init_beforeplay;
3522
3523 atomic;
3524
2243 load_extensions; 3525 load_extensions;
2244 Event::loop; 3526
3527 utime time, time, $RUNTIMEFILE;
3528
3529 # no (long-running) fork's whatsoever before this point(!)
3530 use POSIX ();
3531 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3532
3533 (pop @POST_INIT)->(0) while @POST_INIT;
3534 };
3535
3536 main_loop;
2245} 3537}
2246 3538
2247############################################################################# 3539#############################################################################
2248# initialisation and cleanup 3540# initialisation and cleanup
2249 3541
2250# install some emergency cleanup handlers 3542# install some emergency cleanup handlers
2251BEGIN { 3543BEGIN {
3544 our %SIGWATCHER = ();
2252 for my $signal (qw(INT HUP TERM)) { 3545 for my $signal (qw(INT HUP TERM)) {
2253 Event->signal ( 3546 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2254 data => WF_AUTOCANCEL,
2255 signal => $signal,
2256 cb => sub {
2257 cf::cleanup "SIG$signal"; 3547 cf::cleanup "SIG$signal";
2258 },
2259 ); 3548 };
3549 }
3550}
3551
3552sub write_runtime_sync {
3553 # first touch the runtime file to show we are still running:
3554 # the fsync below can take a very very long time.
3555
3556 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3557
3558 my $guard = cf::lock_acquire "write_runtime";
3559
3560 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3561 or return;
3562
3563 my $value = $cf::RUNTIME + 90 + 10;
3564 # 10 is the runtime save interval, for a monotonic clock
3565 # 60 allows for the watchdog to kill the server.
3566
3567 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3568 and return;
3569
3570 # always fsync - this file is important
3571 aio_fsync $fh
3572 and return;
3573
3574 # touch it again to show we are up-to-date
3575 aio_utime $fh, undef, undef;
3576
3577 close $fh
3578 or return;
3579
3580 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3581 and return;
3582
3583 warn "runtime file written.\n";
3584
2260 } 3585 1
3586}
3587
3588our $uuid_lock;
3589our $uuid_skip;
3590
3591sub write_uuid_sync($) {
3592 $uuid_skip ||= $_[0];
3593
3594 return if $uuid_lock;
3595 local $uuid_lock = 1;
3596
3597 my $uuid = "$LOCALDIR/uuid";
3598
3599 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3600 or return;
3601
3602 my $value = uuid_seq uuid_cur;
3603
3604 unless ($value) {
3605 warn "cowardly refusing to write zero uuid value!\n";
3606 return;
3607 }
3608
3609 my $value = uuid_str $value + $uuid_skip;
3610 $uuid_skip = 0;
3611
3612 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3613 and return;
3614
3615 # always fsync - this file is important
3616 aio_fsync $fh
3617 and return;
3618
3619 close $fh
3620 or return;
3621
3622 aio_rename "$uuid~", $uuid
3623 and return;
3624
3625 warn "uuid file written ($value).\n";
3626
3627 1
3628
3629}
3630
3631sub write_uuid($$) {
3632 my ($skip, $sync) = @_;
3633
3634 $sync ? write_uuid_sync $skip
3635 : async { write_uuid_sync $skip };
2261} 3636}
2262 3637
2263sub emergency_save() { 3638sub emergency_save() {
2264 my $freeze_guard = cf::freeze_mainloop; 3639 my $freeze_guard = cf::freeze_mainloop;
2265 3640
2266 warn "enter emergency perl save\n"; 3641 warn "emergency_perl_save: enter\n";
2267 3642
2268 cf::sync_job { 3643 cf::sync_job {
3644 # this is a trade-off: we want to be very quick here, so
3645 # save all maps without fsync, and later call a global sync
3646 # (which in turn might be very very slow)
3647 local $USE_FSYNC = 0;
3648
2269 # use a peculiar iteration method to avoid tripping on perl 3649 # use a peculiar iteration method to avoid tripping on perl
2270 # refcount bugs in for. also avoids problems with players 3650 # refcount bugs in for. also avoids problems with players
2271 # and maps saved/destroyed asynchronously. 3651 # and maps saved/destroyed asynchronously.
2272 warn "begin emergency player save\n"; 3652 warn "emergency_perl_save: begin player save\n";
2273 for my $login (keys %cf::PLAYER) { 3653 for my $login (keys %cf::PLAYER) {
2274 my $pl = $cf::PLAYER{$login} or next; 3654 my $pl = $cf::PLAYER{$login} or next;
2275 $pl->valid or next; 3655 $pl->valid or next;
3656 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276 $pl->save; 3657 $pl->save;
2277 } 3658 }
2278 warn "end emergency player save\n"; 3659 warn "emergency_perl_save: end player save\n";
2279 3660
2280 warn "begin emergency map save\n"; 3661 warn "emergency_perl_save: begin map save\n";
2281 for my $path (keys %cf::MAP) { 3662 for my $path (keys %cf::MAP) {
2282 my $map = $cf::MAP{$path} or next; 3663 my $map = $cf::MAP{$path} or next;
2283 $map->valid or next; 3664 $map->valid or next;
2284 $map->save; 3665 $map->save;
2285 } 3666 }
2286 warn "end emergency map save\n"; 3667 warn "emergency_perl_save: end map save\n";
3668
3669 warn "emergency_perl_save: begin database checkpoint\n";
3670 BDB::db_env_txn_checkpoint $DB_ENV;
3671 warn "emergency_perl_save: end database checkpoint\n";
3672
3673 warn "emergency_perl_save: begin write uuid\n";
3674 write_uuid_sync 1;
3675 warn "emergency_perl_save: end write uuid\n";
2287 }; 3676 };
2288 3677
3678 warn "emergency_perl_save: starting sync()\n";
3679 IO::AIO::aio_sync sub {
3680 warn "emergency_perl_save: finished sync()\n";
3681 };
3682
2289 warn "leave emergency perl save\n"; 3683 warn "emergency_perl_save: leave\n";
2290} 3684}
2291 3685
3686sub post_cleanup {
3687 my ($make_core) = @_;
3688
3689 warn Carp::longmess "post_cleanup backtrace"
3690 if $make_core;
3691
3692 my $fh = pidfile;
3693 unlink $PIDFILE if <$fh> == $$;
3694}
3695
3696# a safer delete_package, copied from Symbol
3697sub clear_package($) {
3698 my $pkg = shift;
3699
3700 # expand to full symbol table name if needed
3701 unless ($pkg =~ /^main::.*::$/) {
3702 $pkg = "main$pkg" if $pkg =~ /^::/;
3703 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3704 $pkg .= '::' unless $pkg =~ /::$/;
3705 }
3706
3707 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3708 my $stem_symtab = *{$stem}{HASH};
3709
3710 defined $stem_symtab and exists $stem_symtab->{$leaf}
3711 or return;
3712
3713 # clear all symbols
3714 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3715 for my $name (keys %$leaf_symtab) {
3716 _gv_clear *{"$pkg$name"};
3717# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3718 }
3719 warn "cleared package $pkg\n";#d#
3720}
3721
2292sub reload() { 3722sub do_reload_perl() {
2293 # can/must only be called in main 3723 # can/must only be called in main
2294 if ($Coro::current != $Coro::main) { 3724 if ($Coro::current != $Coro::main) {
2295 warn "can only reload from main coroutine\n"; 3725 warn "can only reload from main coroutine";
2296 return; 3726 return;
2297 } 3727 }
2298 3728
3729 return if $RELOAD++;
3730
3731 my $t1 = EV::time;
3732
3733 while ($RELOAD) {
2299 warn "reloading..."; 3734 warn "reloading...";
2300 3735
2301 warn "freezing server"; 3736 warn "entering sync_job";
2302 my $guard = freeze_mainloop; 3737
3738 cf::sync_job {
3739 cf::write_runtime_sync; # external watchdog should not bark
2303 cf::emergency_save; 3740 cf::emergency_save;
3741 cf::write_runtime_sync; # external watchdog should not bark
2304 3742
2305 warn "sync database to disk"; 3743 warn "syncing database to disk";
2306 cf::db_sync; 3744 BDB::db_env_txn_checkpoint $DB_ENV;
2307 IO::AIO::flush;
2308 3745
2309 eval {
2310 # if anything goes wrong in here, we should simply crash as we already saved 3746 # if anything goes wrong in here, we should simply crash as we already saved
2311 3747
2312 warn "cancel all watchers"; 3748 warn "flushing outstanding aio requests";
2313 for (Event::all_watchers) { 3749 while (IO::AIO::nreqs || BDB::nreqs) {
2314 $_->cancel if $_->data & WF_AUTOCANCEL; 3750 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2315 }
2316
2317 warn "cancel all extension coros";
2318 $_->cancel for values %EXT_CORO;
2319 %EXT_CORO = ();
2320
2321 warn "remove commands";
2322 %COMMAND = ();
2323
2324 warn "remove ext commands";
2325 %EXTCMD = ();
2326
2327 warn "unload/nuke all extensions";
2328 for my $pkg (@EXTS) {
2329 warn "... unloading $pkg";
2330
2331 if (my $cb = $pkg->can ("unload")) {
2332 eval {
2333 $cb->($pkg);
2334 1
2335 } or warn "$pkg unloaded, but with errors: $@";
2336 } 3751 }
2337 3752
3753 warn "cancelling all extension coros";
3754 $_->cancel for values %EXT_CORO;
3755 %EXT_CORO = ();
3756
3757 warn "removing commands";
3758 %COMMAND = ();
3759
3760 warn "removing ext/exti commands";
3761 %EXTCMD = ();
3762 %EXTICMD = ();
3763
3764 warn "unloading/nuking all extensions";
3765 for my $pkg (@EXTS) {
2338 warn "... nuking $pkg"; 3766 warn "... unloading $pkg";
2339 Symbol::delete_package $pkg;
2340 }
2341 3767
2342 warn "unload all perl modules loaded from $LIBDIR";
2343 while (my ($k, $v) = each %INC) {
2344 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345
2346 warn "removing <$k>";
2347 delete $INC{$k};
2348
2349 $k =~ s/\.pm$//;
2350 $k =~ s/\//::/g;
2351
2352 if (my $cb = $k->can ("unload_module")) { 3768 if (my $cb = $pkg->can ("unload")) {
3769 eval {
2353 $cb->(); 3770 $cb->($pkg);
3771 1
3772 } or warn "$pkg unloaded, but with errors: $@";
3773 }
3774
3775 warn "... clearing $pkg";
3776 clear_package $pkg;
2354 } 3777 }
2355 3778
2356 Symbol::delete_package $k; 3779 warn "unloading all perl modules loaded from $LIBDIR";
3780 while (my ($k, $v) = each %INC) {
3781 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3782
3783 warn "... unloading $k";
3784 delete $INC{$k};
3785
3786 $k =~ s/\.pm$//;
3787 $k =~ s/\//::/g;
3788
3789 if (my $cb = $k->can ("unload_module")) {
3790 $cb->();
3791 }
3792
3793 clear_package $k;
2357 } 3794 }
2358 3795
2359 warn "get rid of safe::, as good as possible"; 3796 warn "getting rid of safe::, as good as possible";
2360 Symbol::delete_package "safe::$_" 3797 clear_package "safe::$_"
2361 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3798 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362 3799
2363 warn "unload cf.pm \"a bit\""; 3800 warn "unloading cf.pm \"a bit\"";
2364 delete $INC{"cf.pm"}; 3801 delete $INC{"cf.pm"};
3802 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2365 3803
2366 # don't, removes xs symbols, too, 3804 # don't, removes xs symbols, too,
2367 # and global variables created in xs 3805 # and global variables created in xs
2368 #Symbol::delete_package __PACKAGE__; 3806 #clear_package __PACKAGE__;
2369 3807
3808 warn "unload completed, starting to reload now";
3809
2370 warn "reloading cf.pm"; 3810 warn "reloading cf.pm";
2371 require cf; 3811 require cf;
2372 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3812 cf::_connect_to_perl_1;
2373 3813
2374 warn "load config and database again"; 3814 warn "loading config and database again";
2375 cf::cfg_load; 3815 cf::reload_config;
2376 cf::db_load;
2377 3816
2378 warn "load extensions"; 3817 warn "loading extensions";
2379 cf::load_extensions; 3818 cf::load_extensions;
2380 3819
3820 if ($REATTACH_ON_RELOAD) {
2381 warn "reattach attachments to objects/players"; 3821 warn "reattaching attachments to objects/players";
2382 _global_reattach; 3822 _global_reattach; # objects, sockets
2383 warn "reattach attachments to maps"; 3823 warn "reattaching attachments to maps";
2384 reattach $_ for values %MAP; 3824 reattach $_ for values %MAP;
3825 warn "reattaching attachments to players";
3826 reattach $_ for values %PLAYER;
3827 }
3828
3829 warn "running post_init jobs";
3830 (pop @POST_INIT)->(1) while @POST_INIT;
3831
3832 warn "leaving sync_job";
3833
3834 1
3835 } or do {
3836 warn $@;
3837 cf::cleanup "error while reloading, exiting.";
3838 };
3839
3840 warn "reloaded";
3841 --$RELOAD;
3842 }
3843
3844 $t1 = EV::time - $t1;
3845 warn "reload completed in ${t1}s\n";
3846};
3847
3848our $RELOAD_WATCHER; # used only during reload
3849
3850sub reload_perl() {
3851 # doing reload synchronously and two reloads happen back-to-back,
3852 # coro crashes during coro_state_free->destroy here.
3853
3854 $RELOAD_WATCHER ||= cf::async {
3855 Coro::AIO::aio_wait cache_extensions;
3856
3857 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3858 do_reload_perl;
3859 undef $RELOAD_WATCHER;
3860 };
2385 }; 3861 };
2386 3862}
2387 if ($@) {
2388 warn $@;
2389 warn "error while reloading, exiting.";
2390 exit 1;
2391 }
2392
2393 warn "reloaded";
2394};
2395
2396our $RELOAD_WATCHER; # used only during reload
2397 3863
2398register_command "reload" => sub { 3864register_command "reload" => sub {
2399 my ($who, $arg) = @_; 3865 my ($who, $arg) = @_;
2400 3866
2401 if ($who->flag (FLAG_WIZ)) { 3867 if ($who->flag (FLAG_WIZ)) {
2402 $who->message ("reloading server."); 3868 $who->message ("reloading server.");
2403 3869 async {
2404 # doing reload synchronously and two reloads happen back-to-back, 3870 $Coro::current->{desc} = "perl_reload";
2405 # coro crashes during coro_state_free->destroy here.
2406
2407 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408 reload; 3871 reload_perl;
2409 undef $RELOAD_WATCHER;
2410 }); 3872 };
2411 } 3873 }
2412}; 3874};
2413 3875
2414unshift @INC, $LIBDIR; 3876unshift @INC, $LIBDIR;
2415 3877
2416$TICK_WATCHER = Event->timer ( 3878my $bug_warning = 0;
2417 reentrant => 0,
2418 prio => 0,
2419 at => $NEXT_TICK || $TICK,
2420 data => WF_AUTOCANCEL,
2421 cb => sub {
2422 $NOW = Event::time;
2423 3879
3880our @WAIT_FOR_TICK;
3881our @WAIT_FOR_TICK_BEGIN;
3882
3883sub wait_for_tick {
3884 return if tick_inhibit || $Coro::current == $Coro::main;
3885
3886 my $signal = new Coro::Signal;
3887 push @WAIT_FOR_TICK, $signal;
3888 $signal->wait;
3889}
3890
3891sub wait_for_tick_begin {
3892 return if tick_inhibit || $Coro::current == $Coro::main;
3893
3894 my $signal = new Coro::Signal;
3895 push @WAIT_FOR_TICK_BEGIN, $signal;
3896 $signal->wait;
3897}
3898
3899sub tick {
3900 if ($Coro::current != $Coro::main) {
3901 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3902 unless ++$bug_warning > 10;
3903 return;
3904 }
3905
2424 cf::server_tick; # one server iteration 3906 cf::server_tick; # one server iteration
2425 $RUNTIME += $TICK;
2426 $NEXT_TICK += $TICK;
2427 3907
2428 $WAIT_FOR_TICK->broadcast; 3908 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2429 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3909 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2430 3910 Coro::async_pool {
2431 # if we are delayed by four ticks or more, skip them all 3911 $Coro::current->{desc} = "runtime saver";
2432 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2433
2434 $TICK_WATCHER->at ($NEXT_TICK);
2435 $TICK_WATCHER->start;
2436 },
2437);
2438
2439IO::AIO::max_poll_time $TICK * 0.2;
2440
2441$AIO_POLL_WATCHER = Event->io (
2442 fd => IO::AIO::poll_fileno,
2443 poll => 'r',
2444 prio => 5,
2445 data => WF_AUTOCANCEL,
2446 cb => \&IO::AIO::poll_cb,
2447);
2448
2449$WRITE_RUNTIME_WATCHER = Event->timer (
2450 data => WF_AUTOCANCEL,
2451 after => 0,
2452 interval => 10,
2453 cb => sub {
2454 (Coro::unblock_sub {
2455 write_runtime 3912 write_runtime_sync
2456 or warn "ERROR: unable to write runtime file: $!"; 3913 or warn "ERROR: unable to write runtime file: $!";
2457 })->(); 3914 };
2458 }, 3915 }
2459); 3916
3917 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3918 $sig->send;
3919 }
3920 while (my $sig = shift @WAIT_FOR_TICK) {
3921 $sig->send;
3922 }
3923
3924 $LOAD = ($NOW - $TICK_START) / $TICK;
3925 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3926
3927 if (0) {
3928 if ($NEXT_TICK) {
3929 my $jitter = $TICK_START - $NEXT_TICK;
3930 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3931 warn "jitter $JITTER\n";#d#
3932 }
3933 }
3934}
3935
3936{
3937 # configure BDB
3938
3939 BDB::min_parallel 8;
3940 BDB::max_poll_reqs $TICK * 0.1;
3941 $AnyEvent::BDB::WATCHER->priority (1);
3942
3943 unless ($DB_ENV) {
3944 $DB_ENV = BDB::db_env_create;
3945 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3946 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3947 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3948 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3949 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3950
3951 cf::sync_job {
3952 eval {
3953 BDB::db_env_open
3954 $DB_ENV,
3955 $BDBDIR,
3956 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3957 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3958 0666;
3959
3960 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3961 };
3962
3963 cf::cleanup "db_env_open(db): $@" if $@;
3964 };
3965 }
3966
3967 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3968 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3969 };
3970 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3971 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3972 };
3973 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3974 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3975 };
3976}
3977
3978{
3979 # configure IO::AIO
3980
3981 IO::AIO::min_parallel 8;
3982 IO::AIO::max_poll_time $TICK * 0.1;
3983 undef $AnyEvent::AIO::WATCHER;
3984}
3985
3986my $_log_backtrace;
3987
3988sub _log_backtrace {
3989 my ($msg, @addr) = @_;
3990
3991 $msg =~ s/\n//;
3992
3993 # limit the # of concurrent backtraces
3994 if ($_log_backtrace < 2) {
3995 ++$_log_backtrace;
3996 my $perl_bt = Carp::longmess $msg;
3997 async {
3998 $Coro::current->{desc} = "abt $msg";
3999
4000 my @bt = fork_call {
4001 @addr = map { sprintf "%x", $_ } @addr;
4002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4004 or die "addr2line: $!";
4005
4006 my @funcs;
4007 my @res = <$fh>;
4008 chomp for @res;
4009 while (@res) {
4010 my ($func, $line) = splice @res, 0, 2, ();
4011 push @funcs, "[$func] $line";
4012 }
4013
4014 @funcs
4015 };
4016
4017 LOG llevInfo, "[ABT] $perl_bt\n";
4018 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4019 LOG llevInfo, "[ABT] $_\n" for @bt;
4020 --$_log_backtrace;
4021 };
4022 } else {
4023 LOG llevInfo, "[ABT] $msg\n";
4024 LOG llevInfo, "[ABT] [suppressed]\n";
4025 }
4026}
4027
4028# load additional modules
4029require "cf/$_.pm" for @EXTRA_MODULES;
4030cf::_connect_to_perl_2;
2460 4031
2461END { cf::emergency_save } 4032END { cf::emergency_save }
2462 4033
24631 40341
2464 4035

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