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Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.3 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
90our %EXT_MAP = (); # pluggable maps
42 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
43our @EVENT; 93our @EVENT;
44our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
45 96
46our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
47our $TICK_WATCHER; 98our $DATADIR = datadir;
99our $LIBDIR = "$DATADIR/ext";
100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $OUTPUT_RATE_MIN = 4000;
114our $OUTPUT_RATE_MAX = 100000;
115
116our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48our $NEXT_TICK; 118our $NEXT_TICK;
49our $NOW; 119our $USE_FSYNC = 1; # use fsync to write maps - default on
120
121our $BDB_DEADLOCK_WATCHER;
122our $BDB_CHECKPOINT_WATCHER;
123our $BDB_TRICKLE_WATCHER;
124our $DB_ENV;
125
126our @EXTRA_MODULES = qw(pod match mapscript);
50 127
51our %CFG; 128our %CFG;
52 129
53our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
54our $RUNTIME; 131our $RUNTIME;
132our $NOW;
55 133
56our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
57our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
58our $LINK_MAP; # the special {link} map 136our $LINK_MAP; # the special {link} map, which is always available
59our $RANDOM_MAPS = cf::localdir . "/random";
60 137
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 138# used to convert map paths into valid unix filenames by replacing / by ∕
62our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
140
141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
144our $TICK_START; # for load detecting purposes
145
146our @POST_INIT;
147
148our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
149our $REALLY_UNLOOP; # never set to true, please :)
63 150
64binmode STDOUT; 151binmode STDOUT;
65binmode STDERR; 152binmode STDERR;
66 153
67# read virtual server time, if available 154# read virtual server time, if available
68unless ($RUNTIME || !-e cf::localdir . "/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
69 open my $fh, "<", cf::localdir . "/runtime" 156 open my $fh, "<", $RUNTIMEFILE
70 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
71 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
72} 159}
73 160
74mkdir cf::localdir; 161eval "sub TICK() { $TICK } 1" or die;
75mkdir cf::localdir . "/" . cf::playerdir;
76mkdir cf::localdir . "/" . cf::tmpdir;
77mkdir cf::localdir . "/" . cf::uniquedir;
78mkdir $RANDOM_MAPS;
79 162
80# a special map that is always available 163mkdir $_
81our $LINK_MAP; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
165
82our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
167
168sub cf::map::normalise;
169
170#############################################################################
171
172%REFLECT = ();
173for (@REFLECT) {
174 my $reflect = JSON::XS::decode_json $_;
175 $REFLECT{$reflect->{class}} = $reflect;
176}
177
178# this is decidedly evil
179$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83 180
84############################################################################# 181#############################################################################
85 182
86=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
87 184
… …
94=item $cf::RUNTIME 191=item $cf::RUNTIME
95 192
96The time this server has run, starts at 0 and is increased by $cf::TICK on 193The time this server has run, starts at 0 and is increased by $cf::TICK on
97every server tick. 194every server tick.
98 195
99=item $cf::LIBDIR 196=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
197$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
198$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100 199
101The perl library directory, where extensions and cf-specific modules can 200Various directories - "/etc", read-only install directory, perl-library
102be found. It will be added to C<@INC> automatically. 201directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
202unique-items directory, player file directory, random maps directory and
203database environment.
103 204
104=item $cf::NOW 205=item $cf::NOW
105 206
106The time of the last (current) server tick. 207The time of the last (current) server tick.
107 208
108=item $cf::TICK 209=item $cf::TICK
109 210
110The interval between server ticks, in seconds. 211The interval between server ticks, in seconds.
111 212
213=item $cf::LOADAVG
214
215The current CPU load on the server (alpha-smoothed), as a value between 0
216(none) and 1 (overloaded), indicating how much time is spent on processing
217objects per tick. Healthy values are < 0.5.
218
219=item $cf::LOAD
220
221The raw value load value from the last tick.
222
112=item %cf::CFG 223=item %cf::CFG
113 224
114Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115from wherever your confdir points to. 226from wherever your confdir points to.
116 227
117=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 228=item cf::wait_for_tick, cf::wait_for_tick_begin
118 229
119These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 231returns directly I<after> the tick processing (and consequently, can only wake one process
121processing has been done. Call C<< ->wait >> on them to maximise the 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122window of cpu time available, or simply to synchronise to the server tick. 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
123 245
124=back 246=back
125 247
126=cut 248=cut
127 249
128BEGIN { 250$Coro::State::WARNHOOK = sub {
129 *CORE::GLOBAL::warn = sub {
130 my $msg = join "", @_; 251 my $msg = join "", @_;
131 utf8::encode $msg;
132 252
133 $msg .= "\n" 253 $msg .= "\n"
134 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
135 255
256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
257
136 LOG llevError, $msg; 258 LOG llevError, $msg;
137 }; 259};
138} 260
261$Coro::State::DIEHOOK = sub {
262 return unless $^S eq 0; # "eq", not "=="
263
264 warn Carp::longmess $_[0];
265
266 if ($Coro::current == $Coro::main) {#d#
267 warn "DIEHOOK called in main context, Coro bug?\n";#d#
268 return;#d#
269 }#d#
270
271 # kill coroutine otherwise
272 Coro::terminate
273};
139 274
140@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 279@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
280@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 281@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146 282
147# we bless all objects into (empty) derived classes to force a method lookup 283# we bless all objects into (empty) derived classes to force a method lookup
148# within the Safe compartment. 284# within the Safe compartment.
149for my $pkg (qw( 285for my $pkg (qw(
150 cf::global cf::attachable 286 cf::global cf::attachable
151 cf::object cf::object::player 287 cf::object cf::object::player
152 cf::client cf::player 288 cf::client cf::player
153 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
154 cf::map cf::party cf::region 291 cf::party cf::region
155)) { 292)) {
156 no strict 'refs';
157 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158} 294}
159 295
160$Event::DIED = sub { 296$EV::DIED = sub {
161 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
162}; 298};
299
300#############################################################################
163 301
164=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
165 303
166=over 4 304=over 4
167 305
… …
186 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 324 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187 $d 325 $d
188 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
189} 327}
190 328
191use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
194 330
195Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
196 332
197=cut
198
199sub from_json($) {
200 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201 JSON::Syck::Load $_[0]
202}
203
204=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
205 334
206Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
207 336
208=cut 337=cut
209 338
210sub to_json($) { 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 340
212 JSON::Syck::Dump $_[0] 341sub encode_json($) { $json_coder->encode ($_[0]) }
342sub decode_json($) { $json_coder->decode ($_[0]) }
343
344=item cf::post_init { BLOCK }
345
346Execute the given codeblock, I<after> all extensions have been (re-)loaded,
347but I<before> the server starts ticking again.
348
349The cdoeblock will have a single boolean argument to indicate whether this
350is a reload or not.
351
352=cut
353
354sub post_init(&) {
355 push @POST_INIT, shift;
213} 356}
214 357
215=item cf::lock_wait $string 358=item cf::lock_wait $string
216 359
217Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
218 361
219=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
220 363
221Wait until the given lock is available and then acquires it and returns 364Wait until the given lock is available and then acquires it and returns
222a Coro::guard object. If the guard object gets destroyed (goes out of scope, 365a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
224returned. 367returned.
225 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
226Lock names should begin with a unique identifier (for example, cf::map::find 372Lock names should begin with a unique identifier (for example, cf::map::find
227uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
228 374
229=cut 375=item $locked = cf::lock_active $string
230 376
231our %LOCK; 377Return true if the lock is currently active, i.e. somebody has locked it.
378
379=cut
380
381our $LOCKS = new Coro::SemaphoreSet;
232 382
233sub lock_wait($) { 383sub lock_wait($) {
234 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
235
236 # wait for lock, if any
237 while ($LOCK{$key}) {
238 push @{ $LOCK{$key} }, $Coro::current;
239 Coro::schedule;
240 }
241} 385}
242 386
243sub lock_acquire($) { 387sub lock_acquire($) {
244 my ($key) = @_; 388 $LOCKS->guard ($_[0])
389}
245 390
246 # wait, to be sure we are not locked 391sub lock_active($) {
247 lock_wait $key; 392 $LOCKS->count ($_[0]) < 1
248
249 $LOCK{$key} = [];
250
251 Coro::guard {
252 # wake up all waiters, to be on the safe side
253 $_->ready for @{ delete $LOCK{$key} };
254 }
255} 393}
256 394
257sub freeze_mainloop { 395sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
259 397
260 my $guard = Coro::guard { $TICK_WATCHER->start }; 398 &Guard::guard (\&tick_inhibit_dec);
261 $TICK_WATCHER->stop; 399}
262 $guard 400
401=item cf::periodic $interval, $cb
402
403Like EV::periodic, but randomly selects a starting point so that the actions
404get spread over time.
405
406=cut
407
408sub periodic($$) {
409 my ($interval, $cb) = @_;
410
411 my $start = rand List::Util::min 180, $interval;
412
413 EV::periodic $start, $interval, 0, $cb
414}
415
416=item cf::get_slot $time[, $priority[, $name]]
417
418Allocate $time seconds of blocking CPU time at priority C<$priority>:
419This call blocks and returns only when you have at least C<$time> seconds
420of cpu time till the next tick. The slot is only valid till the next cede.
421
422The optional C<$name> can be used to identify the job to run. It might be
423used for statistical purposes and should identify the same time-class.
424
425Useful for short background jobs.
426
427=cut
428
429our @SLOT_QUEUE;
430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
432
433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
434$SLOT_QUEUE = Coro::async {
435 $Coro::current->desc ("timeslot manager");
436
437 my $signal = new Coro::Signal;
438 my $busy;
439
440 while () {
441 next_job:
442
443 my $avail = cf::till_tick;
444
445 for (0 .. $#SLOT_QUEUE) {
446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
448 my $job = splice @SLOT_QUEUE, $_, 1, ();
449 $job->[2]->send;
450 Coro::cede;
451 goto next_job;
452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
454 }
455 }
456
457 if (@SLOT_QUEUE) {
458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
459 push @cf::WAIT_FOR_TICK, $signal;
460 $signal->wait;
461 } else {
462 $busy = 0;
463 Coro::schedule;
464 }
465 }
466};
467
468sub get_slot($;$$) {
469 return if tick_inhibit || $Coro::current == $Coro::main;
470
471 my ($time, $pri, $name) = @_;
472
473 $time = clamp $time, 0.01, $TICK * .6;
474
475 my $sig = new Coro::Signal;
476
477 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
478 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
479 $SLOT_QUEUE->ready;
480 $sig->wait;
263} 481}
264 482
265=item cf::async { BLOCK } 483=item cf::async { BLOCK }
266 484
267Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
… …
272 490
273BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
274 492
275=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
276 494
277The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
278always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
279reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
280 499
281If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
282the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
283server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
284fast or be very important. 503fast or be very important.
… …
287 506
288sub sync_job(&) { 507sub sync_job(&) {
289 my ($job) = @_; 508 my ($job) = @_;
290 509
291 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
511 my $time = AE::time;
512
292 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
293 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
294 515
295 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
296 # (but this is cancel-safe) 517
297 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
298 519
299 my $busy = 1; 520 my $busy = 1;
300 my @res; 521 my @res;
301 522
302 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
303 @res = eval { $job->() }; 525 @res = eval { $job->() };
304 warn $@ if $@; 526 warn $@ if $@;
305 undef $busy; 527 undef $busy;
306 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
307 529
308 while ($busy) { 530 while ($busy) {
309 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
310 } 535 }
536 }
537
538 my $time = AE::time - $time;
539
540 $TICK_START += $time; # do not account sync jobs to server load
311 541
312 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
313 } else { 543 } else {
314 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
315 545
… …
335 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
336 566
337 $coro 567 $coro
338} 568}
339 569
340sub write_runtime { 570=item fork_call { }, $args
341 my $runtime = cf::localdir . "/runtime";
342 571
343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572Executes the given code block with the given arguments in a seperate
344 or return; 573process, returning the results. Everything must be serialisable with
574Coro::Storable. May, of course, block. Note that the executed sub may
575never block itself or use any form of event handling.
345 576
346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 577=cut
347 (aio_write $fh, 0, (length $value), $value, 0) <= 0
348 and return;
349 578
350 aio_fsync $fh 579sub fork_call(&@) {
351 and return; 580 my ($cb, @args) = @_;
352 581
353 close $fh 582 # we seemingly have to make a local copy of the whole thing,
354 or return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
355 585
356 aio_rename "$runtime~", $runtime 586 my @res = Coro::Util::fork_eval {
357 and return; 587 reset_signals;
588 &$cb
589 }, @args;
358 590
591 wantarray ? @res : $res[-1]
592}
593
594sub objinfo {
359 1 595 (
596 "counter value" => cf::object::object_count,
597 "objects created" => cf::object::create_count,
598 "objects destroyed" => cf::object::destroy_count,
599 "freelist size" => cf::object::free_count,
600 "allocated objects" => cf::object::objects_size,
601 "active objects" => cf::object::actives_size,
602 )
603}
604
605=item $coin = coin_from_name $name
606
607=cut
608
609our %coin_alias = (
610 "silver" => "silvercoin",
611 "silvercoin" => "silvercoin",
612 "silvercoins" => "silvercoin",
613 "gold" => "goldcoin",
614 "goldcoin" => "goldcoin",
615 "goldcoins" => "goldcoin",
616 "platinum" => "platinacoin",
617 "platinumcoin" => "platinacoin",
618 "platinumcoins" => "platinacoin",
619 "platina" => "platinacoin",
620 "platinacoin" => "platinacoin",
621 "platinacoins" => "platinacoin",
622 "royalty" => "royalty",
623 "royalties" => "royalty",
624);
625
626sub coin_from_name($) {
627 $coin_alias{$_[0]}
628 ? cf::arch::find $coin_alias{$_[0]}
629 : undef
630}
631
632=item $value = cf::db_get $family => $key
633
634Returns a single value from the environment database.
635
636=item cf::db_put $family => $key => $value
637
638Stores the given C<$value> in the family. It can currently store binary
639data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
640
641=item $db = cf::db_table "name"
642
643Create and/or open a new database table. The string must not be "db" and must be unique
644within each server.
645
646=cut
647
648sub db_table($) {
649 my ($name) = @_;
650 my $db = BDB::db_create $DB_ENV;
651
652 eval {
653 $db->set_flags (BDB::CHKSUM);
654
655 utf8::encode $name;
656 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
657 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
658 cf::cleanup "db_open(db): $!" if $!;
659 };
660 cf::cleanup "db_open(db): $@" if $@;
661
662 $db
663}
664
665our $DB;
666
667sub db_init {
668 cf::sync_job {
669 $DB ||= db_table "db";
670 };
671}
672
673sub db_get($$) {
674 my $key = "$_[0]/$_[1]";
675
676 cf::sync_job {
677 BDB::db_get $DB, undef, $key, my $data;
678
679 $! ? ()
680 : $data
681 }
682}
683
684sub db_put($$$) {
685 BDB::dbreq_pri 4;
686 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
687}
688
689=item cf::cache $id => [$paths...], $processversion => $process
690
691Generic caching function that returns the value of the resource $id,
692caching and regenerating as required.
693
694This function can block.
695
696=cut
697
698sub cache {
699 my ($id, $src, $processversion, $process) = @_;
700
701 my $meta =
702 join "\x00",
703 $processversion,
704 map {
705 aio_stat $_
706 and Carp::croak "$_: $!";
707
708 ($_, (stat _)[7,9])
709 } @$src;
710
711 my $dbmeta = db_get cache => "$id/meta";
712 if ($dbmeta ne $meta) {
713 # changed, we may need to process
714
715 my @data;
716 my $md5;
717
718 for (0 .. $#$src) {
719 0 <= aio_load $src->[$_], $data[$_]
720 or Carp::croak "$src->[$_]: $!";
721 }
722
723 # if processing is expensive, check
724 # checksum first
725 if (1) {
726 $md5 =
727 join "\x00",
728 $processversion,
729 map {
730 cf::cede_to_tick;
731 ($src->[$_], Digest::MD5::md5_hex $data[$_])
732 } 0.. $#$src;
733
734
735 my $dbmd5 = db_get cache => "$id/md5";
736 if ($dbmd5 eq $md5) {
737 db_put cache => "$id/meta", $meta;
738
739 return db_get cache => "$id/data";
740 }
741 }
742
743 my $t1 = Time::HiRes::time;
744 my $data = $process->(\@data);
745 my $t2 = Time::HiRes::time;
746
747 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
748
749 db_put cache => "$id/data", $data;
750 db_put cache => "$id/md5" , $md5;
751 db_put cache => "$id/meta", $meta;
752
753 return $data;
754 }
755
756 db_get cache => "$id/data"
757}
758
759=item cf::datalog type => key => value, ...
760
761Log a datalog packet of the given type with the given key-value pairs.
762
763=cut
764
765sub datalog($@) {
766 my ($type, %kv) = @_;
767 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360} 768}
361 769
362=back 770=back
363 771
364=cut 772=cut
365 773
366############################################################################# 774#############################################################################
367 775
368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376sub new {
377 my ($class, $path, $base) = @_;
378
379 $path = $path->as_string if ref $path;
380
381 my $self = bless { }, $class;
382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
395 } elsif ($path =~ s{^\?random/}{}) {
396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397 $self->{random} = cf::from_json $data;
398 } else {
399 if ($path =~ s{^~([^/]+)?}{}) {
400 $self->{user_rel} = 1;
401
402 if (defined $1) {
403 $self->{user} = $1;
404 } elsif ($base =~ m{^~([^/]+)/}) {
405 $self->{user} = $1;
406 } else {
407 warn "cannot resolve user-relative path without user <$path,$base>\n";
408 }
409 } elsif ($path =~ /^\//) {
410 # already absolute
411 } else {
412 $base =~ s{[^/]+/?$}{};
413 return $class->new ("$base/$path");
414 }
415
416 for ($path) {
417 redo if s{/\.?/}{/};
418 redo if s{/[^/]+/\.\./}{/};
419 }
420 }
421
422 $self->{path} = $path;
423
424 $self
425}
426
427# the name / primary key / in-game path
428sub as_string {
429 my ($self) = @_;
430
431 $self->{user_rel} ? "~$self->{user}$self->{path}"
432 : $self->{random} ? "?random/$self->{path}"
433 : $self->{path}
434}
435
436# the displayed name, this is a one way mapping
437sub visible_name {
438 my ($self) = @_;
439
440# if (my $rmp = $self->{random}) {
441# # todo: be more intelligent about this
442# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443# } else {
444 $self->as_string
445# }
446}
447
448# escape the /'s in the path
449sub _escaped_path {
450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451 $path
452}
453
454# the original (read-only) location
455sub load_path {
456 my ($self) = @_;
457
458 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459}
460
461# the temporary/swap location
462sub save_path {
463 my ($self) = @_;
464
465 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468}
469
470# the unique path, might be eq to save_path
471sub uniq_path {
472 my ($self) = @_;
473
474 $self->{user_rel} || $self->{random}
475 ? undef
476 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477}
478
479# return random map parameters, or undef
480sub random_map_params {
481 my ($self) = @_;
482
483 $self->{random}
484}
485
486# this is somewhat ugly, but style maps do need special treatment
487sub is_style_map {
488 $_[0]{path} =~ m{^/styles/}
489}
490
491package cf;
492
493#############################################################################
494
495=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
496 777
497Many objects in crossfire are so-called attachable objects. That means you can 778Many objects in deliantra are so-called attachable objects. That means you can
498attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
499to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
500 781
501In the following description, CLASS can be any of C<global>, C<object> 782In the following description, CLASS can be any of C<global>, C<object>
502C<player>, C<client> or C<map> (i.e. the attachable objects in 783C<player>, C<client> or C<map> (i.e. the attachable objects in
503crossfire+). 784Deliantra).
504 785
505=over 4 786=over 4
506 787
507=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
508 789
… …
552=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
553 834
554Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
555given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
556 837
557Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
558that are attached at load/instantiate time, thus the need for a name. 839that are attached at load/instantiate time, thus the need for a name.
559 840
560These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
561 842
562=over 4 843=over 4
… …
622our @CB_TYPE = (); # registry for type (cf-object class) based events 903our @CB_TYPE = (); # registry for type (cf-object class) based events
623our @CB_MAP = (); 904our @CB_MAP = ();
624 905
625my %attachment; 906my %attachment;
626 907
908sub cf::attachable::thawer_merge {
909 # simply override everything except _meta
910 local $_[0]{_meta};
911 %{$_[0]} = %{$_[1]};
912}
913
627sub _attach_cb($$$$) { 914sub _attach_cb($$$$) {
628 my ($registry, $event, $prio, $cb) = @_; 915 my ($registry, $event, $prio, $cb) = @_;
629 916
630 use sort 'stable'; 917 use sort 'stable';
631 918
… …
665 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
666 953
667 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
668 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
669 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
670 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671 958
672 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
673 my $pkg = shift @arg; 960 my $pkg = shift @arg;
674 961
675 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
… …
704 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
705 } 992 }
706 993
707 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
708 } else { 995 } else {
709 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
710 } 997 }
711 998
712 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
713} 1000}
714 1001
… …
716 if (ref $_[0]) { 1003 if (ref $_[0]) {
717 _object_attach @_; 1004 _object_attach @_;
718 } else { 1005 } else {
719 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
720 } 1007 }
1008 _recalc_want;
721}; 1009};
722 1010
723# all those should be optimised 1011# all those should be optimised
724sub cf::attachable::detach { 1012sub cf::attachable::detach {
725 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
… …
728 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
729 reattach ($obj); 1017 reattach ($obj);
730 } else { 1018 } else {
731 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
732 } 1020 }
1021 _recalc_want;
733}; 1022};
734 1023
735sub cf::attachable::attached { 1024sub cf::attachable::attached {
736 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
737 1026
… …
752 "; 1041 ";
753 die if $@; 1042 die if $@;
754} 1043}
755 1044
756our $override; 1045our $override;
757our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1046our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758 1047
759sub override { 1048sub override {
760 $override = 1; 1049 $override = 1;
761 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
762} 1051}
763 1052
764sub do_invoke { 1053sub do_invoke {
765 my $event = shift; 1054 my $event = shift;
766 my $callbacks = shift; 1055 my $callbacks = shift;
767 1056
768 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
769 1058
770 local $override; 1059 local $override;
771 1060
772 for (@$callbacks) { 1061 for (@$callbacks) {
773 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
782 } 1071 }
783 1072
784 0 1073 0
785} 1074}
786 1075
787=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788 1077
789=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790 1079
791Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
792 1081
793This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1082This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794removed in future versions), and there is no public API to access override 1083removed in future versions), and there is no public API to access override
795results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796 1085
797=back 1086=back
798 1087
799=cut 1088=cut
800 1089
801############################################################################# 1090#############################################################################
802# object support 1091# object support
1092
1093sub _object_equal($$);
1094sub _object_equal($$) {
1095 my ($a, $b) = @_;
1096
1097 return 0 unless (ref $a) eq (ref $b);
1098
1099 if ("HASH" eq ref $a) {
1100 my @ka = keys %$a;
1101 my @kb = keys %$b;
1102
1103 return 0 if @ka != @kb;
1104
1105 for (0 .. $#ka) {
1106 return 0 unless $ka[$_] eq $kb[$_];
1107 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1108 }
1109
1110 } elsif ("ARRAY" eq ref $a) {
1111
1112 return 0 if @$a != @$b;
1113
1114 for (0 .. $#$a) {
1115 return 0 unless _object_equal $a->[$_], $b->[$_];
1116 }
1117
1118 } elsif ($a ne $b) {
1119 return 0;
1120 }
1121
1122 1
1123}
1124
1125our $SLOW_MERGES;#d#
1126sub _can_merge {
1127 my ($ob1, $ob2) = @_;
1128
1129 ++$SLOW_MERGES;#d#
1130
1131 # we do the slow way here
1132 return _object_equal $ob1, $ob2
1133}
803 1134
804sub reattach { 1135sub reattach {
805 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
806 my ($obj) = @_; 1137 my ($obj) = @_;
1138
1139 # no longer needed after getting rid of delete_package?
1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807 1141
808 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
809 1143
810 @$registry = (); 1144 @$registry = ();
811 1145
… …
826cf::attachable->attach ( 1160cf::attachable->attach (
827 prio => -1000000, 1161 prio => -1000000,
828 on_instantiate => sub { 1162 on_instantiate => sub {
829 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
830 1164
831 $data = from_json $data; 1165 $data = decode_json $data;
832 1166
833 for (@$data) { 1167 for (@$data) {
834 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
835 1169
836 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
852sub object_freezer_save { 1186sub object_freezer_save {
853 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
854 1188
855 sync_job { 1189 sync_job {
856 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
857 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
858 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
859 1194
860 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
862 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1197 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1198 if ($cf::USE_FSYNC) {
1199 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;
863 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
864 close $fh; 1202 aio_close $fh;
865 1203
866 if (@$objs) { 1204 if (@$objs) {
867 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1205 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
869 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870 aio_write $fh, 0, (length $data), $data, 0; 1208 aio_write $fh, 0, (length $data), $data, 0;
1209 if ($cf::USE_FSYNC) {
1210 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;
871 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
872 close $fh; 1213 aio_close $fh;
873 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
874 } 1215 }
875 } else { 1216 } else {
876 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
877 } 1218 }
878 1219
879 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
880 } else { 1224 } else {
881 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
882 } 1226 }
883 } else { 1227 } else {
884 aio_unlink $filename; 1228 aio_unlink $filename;
885 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
886 } 1230 }
887 } 1231 };
888} 1232}
889 1233
890sub object_freezer_as_string { 1234sub object_freezer_as_string {
891 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
892 1236
… …
904 or return; 1248 or return;
905 1249
906 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
907 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
908 or return; 1252 or return;
1253
909 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
910 } 1256 }
911 1257
1258 utf8::decode (my $decname = $filename);
912 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
913 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
914 return ($data, $av); 1262 ($data, $av)
915} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
916 1270
917############################################################################# 1271#############################################################################
918# command handling &c 1272# command handling &c
919 1273
920=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
933 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
934} 1288}
935 1289
936=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
937 1291
938Register a callbackf ro execution when the client sends an extcmd packet. 1292Register a callback for execution when the client sends an (synchronous)
1293extcmd packet. Ext commands will be processed in the order they are
1294received by the server, like other user commands. The first argument is
1295the logged-in player. Ext commands can only be processed after a player
1296has logged in successfully.
939 1297
940If the callback returns something, it is sent back as if reply was being 1298If the callback returns something, it is sent back as if reply was being
941called. 1299called.
942 1300
1301=item cf::register_exticmd $name => \&callback($ns,$packet);
1302
1303Register a callback for execution when the client sends an (asynchronous)
1304exticmd packet. Exti commands are processed by the server as soon as they
1305are received, i.e. out of order w.r.t. other commands. The first argument
1306is a client socket. Exti commands can be received anytime, even before
1307log-in.
1308
1309If the callback returns something, it is sent back as if reply was being
1310called.
1311
943=cut 1312=cut
944 1313
945sub register_extcmd { 1314sub register_extcmd {
946 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
947 1316
948 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
949} 1318}
950 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
951cf::player->attach ( 1328cf::player->attach (
952 on_command => sub { 1329 on_unknown_command => sub {
953 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
954 1331
955 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
956 or return; 1333 or return;
957 1334
… …
962 cf::override; 1339 cf::override;
963 }, 1340 },
964 on_extcmd => sub { 1341 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
966 1343
967 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1345
969 if (ref $msg) { 1346 if (ref $msg) {
1347 my ($type, $reply, @payload) =
1348 "ARRAY" eq ref $msg
1349 ? @$msg
1350 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1351
1352 my @reply;
1353
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
975 } else { 1361 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1363 }
978 1364
979 cf::override; 1365 cf::override;
980 }, 1366 },
981); 1367);
982 1368
1369# "readahead" all extensions
983sub load_extension { 1370sub cache_extensions {
984 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
985 1372
986 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
988 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989 $pkg =~ s/[^[:word:]]/_/g; 1376 }
990 $pkg = "ext::$pkg"; 1377 };
991 1378
992 warn "loading '$path' into '$pkg'\n"; 1379 $grp
993
994 open my $fh, "<:utf8", $path
995 or die "$path: $!";
996
997 my $source =
998 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> })
1001 . "\n};\n1";
1002
1003 eval $source
1004 or die $@ ? "$path: $@\n"
1005 : "extension disabled.\n";
1006
1007 push @EXTS, $pkg;
1008} 1380}
1009 1381
1010sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
1011 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
1012 next unless -r $ext; 1387 next unless -r $path;
1013 eval { 1388
1014 load_extension $ext; 1389 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1390 my $base = $1;
1391 my $pkg = $1;
1392 $pkg =~ s/[^[:word:]]/_/g;
1393 $pkg = "ext::$pkg";
1394
1395 open my $fh, "<:utf8", $path
1396 or die "$path: $!";
1397
1398 my $source = do { local $/; <$fh> };
1399
1400 my %ext = (
1401 path => $path,
1402 base => $base,
1403 pkg => $pkg,
1404 );
1405
1406 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1407 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1408
1409 $ext{source} =
1410 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1411 . "#line 1 \"$path\"\n{\n"
1412 . $source
1413 . "\n};\n1";
1414
1415 $todo{$base} = \%ext;
1416 }
1417
1418 my $pass = 0;
1419 my %done;
1420 while (%todo) {
1421 my $progress;
1422
1423 ++$pass;
1424
1425 ext:
1426 while (my ($k, $v) = each %todo) {
1427 for (split /,\s*/, $v->{meta}{depends}) {
1428 next ext
1429 unless exists $done{$_};
1430 }
1431
1432 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1433
1434 my $active = eval $v->{source};
1435
1436 if (length $@) {
1437 warn "$v->{path}: $@\n";
1438
1439 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1440 if exists $v->{meta}{mandatory};
1441 } else {
1442 $done{$k} = delete $todo{$k};
1443 push @EXTS, $v->{pkg};
1444 $progress = 1;
1445
1446 warn "$v->{base}: extension inactive.\n"
1447 unless $active;
1448 }
1015 1 1449 }
1016 } or warn "$ext not loaded: $@"; 1450
1451 unless ($progress) {
1452 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1453
1454 while (my ($k, $v) = each %todo) {
1455 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1456 if exists $v->{meta}{mandatory};
1457 }
1458 }
1459 }
1017 } 1460 };
1018} 1461}
1019 1462
1020############################################################################# 1463#############################################################################
1021# load/save/clean perl data associated with a map
1022 1464
1023*cf::mapsupport::on_clean = sub { 1465=back
1024 my ($map) = @_;
1025
1026 my $path = $map->tmpname;
1027 defined $path or return;
1028
1029 unlink "$path.pst";
1030};
1031
1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034#############################################################################
1035 1466
1036=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
1037 1468
1038Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
1039 1470
1040=cut 1471=cut
1041 1472
1042package cf::player; 1473package cf::player;
1043 1474
… …
1045 1476
1046=head3 cf::player 1477=head3 cf::player
1047 1478
1048=over 4 1479=over 4
1049 1480
1481=item cf::player::num_playing
1482
1483Returns the official number of playing players, as per the Crossfire metaserver rules.
1484
1485=cut
1486
1487sub num_playing {
1488 scalar grep
1489 $_->ob->map
1490 && !$_->hidden
1491 && !$_->ob->flag (cf::FLAG_WIZ),
1492 cf::player::list
1493}
1494
1050=item cf::player::find $login 1495=item cf::player::find $login
1051 1496
1052Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
1053 1498
1054=cut 1499=cut
1055 1500
1056sub playerdir($) { 1501sub playerdir($) {
1057 cf::localdir 1502 "$PLAYERDIR/"
1058 . "/"
1059 . cf::playerdir
1060 . "/"
1061 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1062} 1504}
1063 1505
1064sub path($) { 1506sub path($) {
1065 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066 1508
1067 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
1068} 1510}
1069 1511
1070sub find_active($) { 1512sub find_active($) {
1071 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
1072 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
… …
1075 1517
1076sub exists($) { 1518sub exists($) {
1077 my ($login) = @_; 1519 my ($login) = @_;
1078 1520
1079 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login } 1522 or !aio_stat path $login
1081} 1523}
1082 1524
1083sub find($) { 1525sub find($) {
1084 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0]; 1527 my $login = $_[0];
1086 1528
1087 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
1088 1530
1089 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
1090 my $pl = load_pl path $login 1532 # rename old playerfiles to new ones
1533 #TODO: remove when no longer required
1534 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1535 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1536 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1537 aio_unlink +(playerdir $login) . "/$login.pl";
1538
1539 my $f = new_from_file cf::object::thawer path $login
1091 or return; 1540 or return;
1541
1542 my $pl = cf::player::load_pl $f
1543 or return;
1544
1545 local $cf::PLAYER_LOADING{$login} = $pl;
1546 $f->resolve_delayed_derefs;
1092 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
1093 } 1548 }
1094 } 1549 }
1095} 1550}
1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($pl, $path) = @_;
1555
1556 # restore slots saved in save, below
1557 my $slots = delete $pl->{_slots};
1558
1559 $pl->ob->current_weapon ($slots->[0]);
1560 $pl->combat_ob ($slots->[1]);
1561 $pl->ranged_ob ($slots->[2]);
1562 },
1563);
1096 1564
1097sub save($) { 1565sub save($) {
1098 my ($pl) = @_; 1566 my ($pl) = @_;
1099 1567
1100 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
1105 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
1106 1574
1107 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
1108 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
1109 1577
1578 cf::get_slot 0.01;
1579
1580 # save slots, to be restored later
1581 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1582
1110 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
1111 Coro::cede; 1584 cf::cede_to_tick;
1112} 1585}
1113 1586
1114sub new($) { 1587sub new($) {
1115 my ($login) = @_; 1588 my ($login) = @_;
1116 1589
… …
1122 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1123 1596
1124 $self 1597 $self
1125} 1598}
1126 1599
1600=item $player->send_msg ($channel, $msg, $color, [extra...])
1601
1602=cut
1603
1604sub send_msg {
1605 my $ns = shift->ns
1606 or return;
1607 $ns->send_msg (@_);
1608}
1609
1127=item $pl->quit_character 1610=item $pl->quit_character
1128 1611
1129Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1130be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1131 1614
1132=cut 1615=cut
1133 1616
1134sub quit_character { 1617sub quit_character {
1135 my ($pl) = @_; 1618 my ($pl) = @_;
1136 1619
1620 my $name = $pl->ob->name;
1621
1137 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1138 $pl->password ("*"); # this should lock out the player until we nuked the dir 1623 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1139 1624
1140 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1142 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1143 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1144 1631
1145 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1146 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1148 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1149 $pl->destroy; 1636 $pl->destroy;
1637
1638 my $prefix = qr<^~\Q$name\E/>;
1639
1640 # nuke player maps
1641 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1642
1150 IO::AIO::aio_rmtree $temp; 1643 IO::AIO::aio_rmtree $temp;
1644}
1645
1646=item $pl->kick
1647
1648Kicks a player out of the game. This destroys the connection.
1649
1650=cut
1651
1652sub kick {
1653 my ($pl, $kicker) = @_;
1654
1655 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1656 $pl->killer ("kicked");
1657 $pl->ns->destroy;
1151} 1658}
1152 1659
1153=item cf::player::list_logins 1660=item cf::player::list_logins
1154 1661
1155Returns am arrayref of all valid playernames in the system, can take a 1662Returns am arrayref of all valid playernames in the system, can take a
1156while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1157 1664
1158=cut 1665=cut
1159 1666
1160sub list_logins { 1667sub list_logins {
1161 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1162 or return []; 1669 or return [];
1163 1670
1164 my @logins; 1671 my @logins;
1165 1672
1166 for my $login (@$dirs) { 1673 for my $login (@$dirs) {
1674 my $path = path $login;
1675
1676 # a .pst is a dead give-away for a valid player
1677 # if no pst file found, open and chekc for blocked users
1678 if (aio_stat "$path.pst") {
1167 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1169 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1170 1683
1171 utf8::decode $login; 1684 utf8::decode $login;
1172 push @logins, $login; 1685 push @logins, $login;
1173 } 1686 }
1174 1687
1175 \@logins 1688 \@logins
1176} 1689}
1177 1690
1178=item $player->maps 1691=item $player->maps
1179 1692
1180Returns an arrayref of cf::path's of all maps that are private for this 1693Returns an arrayref of map paths that are private for this
1181player. May block. 1694player. May block.
1182 1695
1183=cut 1696=cut
1184 1697
1185sub maps($) { 1698sub maps($) {
1186 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1187 1702
1188 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1189 or return; 1704 or return;
1190 1705
1191 my @paths; 1706 my @paths;
… …
1193 for (@$files) { 1708 for (@$files) {
1194 utf8::decode $_; 1709 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1197 1712
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1713 push @paths, cf::map::normalise "~$pl/$_";
1199 } 1714 }
1200 1715
1201 \@paths 1716 \@paths
1202} 1717}
1203 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1204=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1205 1724
1206Sends an ext reply to the player. 1725Sends an ext reply to the player.
1207 1726
1208=cut 1727=cut
1209 1728
1210sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1211 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1212 1731
1213 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1214
1215 $self->send ("ext " . cf::to_json \%msg);
1216} 1733}
1217 1734
1218package cf; 1735=item $player->ext_msg ($type, @msg)
1736
1737Sends an ext event to the client.
1738
1739=cut
1740
1741sub ext_msg($$@) {
1742 my ($self, $type, @msg) = @_;
1743
1744 $self->ns->ext_msg ($type, @msg);
1745}
1746
1747=head3 cf::region
1748
1749=over 4
1750
1751=cut
1752
1753package cf::region;
1754
1755=item cf::region::find_by_path $path
1756
1757Tries to decuce the likely region for a map knowing only its path.
1758
1759=cut
1760
1761sub find_by_path($) {
1762 my ($path) = @_;
1763
1764 my ($match, $specificity);
1765
1766 for my $region (list) {
1767 if ($region->{match} && $path =~ $region->{match}) {
1768 ($match, $specificity) = ($region, $region->specificity)
1769 if $region->specificity > $specificity;
1770 }
1771 }
1772
1773 $match
1774}
1219 1775
1220=back 1776=back
1221
1222 1777
1223=head3 cf::map 1778=head3 cf::map
1224 1779
1225=over 4 1780=over 4
1226 1781
… …
1229package cf::map; 1784package cf::map;
1230 1785
1231use Fcntl; 1786use Fcntl;
1232use Coro::AIO; 1787use Coro::AIO;
1233 1788
1789use overload
1790 '""' => \&as_string,
1791 fallback => 1;
1792
1234our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1235our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1236 1795
1237sub generate_random_map { 1796sub generate_random_map {
1238 my ($path, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239 1800
1240 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1241 cf::map::_create_random_map 1802 $self->_create_random_map (
1242 $path,
1243 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1245 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1247 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1248 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1810 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1811 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1812 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253 (cf::region::find $rmp->{region}) 1813 (cf::region::find $rmp->{region}), $rmp->{custom}
1814 )
1254} 1815}
1255 1816
1256# and all this just because we cannot iterate over 1817=item cf::map->register ($regex, $prio)
1257# all maps in C++...
1258sub change_all_map_light {
1259 my ($change) = @_;
1260 1818
1261 $_->change_map_light ($change) 1819Register a handler for the map path matching the given regex at the
1262 for grep $_->outdoor, values %cf::MAP; 1820givne priority (higher is better, built-in handlers have priority 0, the
1263} 1821default).
1264 1822
1265sub try_load_header($) { 1823=cut
1824
1825sub register {
1826 my (undef, $regex, $prio) = @_;
1827 my $pkg = caller;
1828
1829 no strict;
1830 push @{"$pkg\::ISA"}, __PACKAGE__;
1831
1832 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1833}
1834
1835# also paths starting with '/'
1836$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1837
1838sub thawer_merge {
1839 my ($self, $merge) = @_;
1840
1841 # we have to keep some variables in memory intact
1842 local $self->{path};
1843 local $self->{load_path};
1844
1845 $self->SUPER::thawer_merge ($merge);
1846}
1847
1848sub normalise {
1266 my ($path) = @_; 1849 my ($path, $base) = @_;
1850
1851 $path = "$path"; # make sure its a string
1852
1853 $path =~ s/\.map$//;
1854
1855 # map plan:
1856 #
1857 # /! non-realised random map exit (special hack!)
1858 # {... are special paths that are not being touched
1859 # ?xxx/... are special absolute paths
1860 # ?random/... random maps
1861 # /... normal maps
1862 # ~user/... per-player map of a specific user
1863
1864 $path =~ s/$PATH_SEP/\//go;
1865
1866 # treat it as relative path if it starts with
1867 # something that looks reasonable
1868 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1869 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1870
1871 $base =~ s{[^/]+/?$}{};
1872 $path = "$base/$path";
1873 }
1874
1875 for ($path) {
1876 redo if s{//}{/};
1877 redo if s{/\.?/}{/};
1878 redo if s{/[^/]+/\.\./}{/};
1879 }
1880
1881 $path
1882}
1883
1884sub new_from_path {
1885 my (undef, $path, $base) = @_;
1886
1887 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1888
1889 $path = normalise $path, $base;
1890
1891 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1892 if ($path =~ $EXT_MAP{$pkg}[1]) {
1893 my $self = bless cf::map::new, $pkg;
1894 $self->{path} = $path; $self->path ($path);
1895 $self->init; # pass $1 etc.
1896 return $self;
1897 }
1898 }
1899
1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1901 ()
1902}
1903
1904sub init {
1905 my ($self) = @_;
1906
1907 $self
1908}
1909
1910sub as_string {
1911 my ($self) = @_;
1912
1913 "$self->{path}"
1914}
1915
1916# the displayed name, this is a one way mapping
1917sub visible_name {
1918 &as_string
1919}
1920
1921# the original (read-only) location
1922sub load_path {
1923 my ($self) = @_;
1924
1925 "$MAPDIR/$self->{path}.map"
1926}
1927
1928# the temporary/swap location
1929sub save_path {
1930 my ($self) = @_;
1931
1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933 "$TMPDIR/$path.map"
1934}
1935
1936# the unique path, undef == no special unique path
1937sub uniq_path {
1938 my ($self) = @_;
1939
1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1941 "$UNIQUEDIR/$path"
1942}
1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1952sub unlink_save {
1953 my ($self) = @_;
1954
1955 utf8::encode (my $save = $self->save_path);
1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1957 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1958}
1959
1960sub load_header_from($) {
1961 my ($self, $path) = @_;
1267 1962
1268 utf8::encode $path; 1963 utf8::encode $path;
1269 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1270 or return; 1965 or return;
1271 1966
1272 my $map = cf::map::new 1967 $self->_load_header ($f)
1273 or return; 1968 or return;
1274 1969
1275 # for better error messages only, will be overwritten 1970 local $MAP_LOADING{$self->{path}} = $self;
1276 $map->path ($path); 1971 $f->resolve_delayed_derefs;
1277 1972
1278 $map->load_header ($path) 1973 $self->{load_path} = $path;
1974
1975 1
1976}
1977
1978sub load_header_orig {
1979 my ($self) = @_;
1980
1981 $self->load_header_from ($self->load_path)
1982}
1983
1984sub load_header_temp {
1985 my ($self) = @_;
1986
1987 $self->load_header_from ($self->save_path)
1988}
1989
1990sub prepare_temp {
1991 my ($self) = @_;
1992
1993 $self->last_access ((delete $self->{last_access})
1994 || $cf::RUNTIME); #d#
1995 # safety
1996 $self->{instantiate_time} = $cf::RUNTIME
1997 if $self->{instantiate_time} > $cf::RUNTIME;
1998}
1999
2000sub prepare_orig {
2001 my ($self) = @_;
2002
2003 $self->{load_original} = 1;
2004 $self->{instantiate_time} = $cf::RUNTIME;
2005 $self->last_access ($cf::RUNTIME);
2006 $self->instantiate;
2007}
2008
2009sub load_header {
2010 my ($self) = @_;
2011
2012 if ($self->load_header_temp) {
2013 $self->prepare_temp;
2014 } else {
2015 $self->load_header_orig
1279 or return; 2016 or return;
2017 $self->prepare_orig;
2018 }
1280 2019
1281 $map->{load_path} = $path; 2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
1282 2022
1283 $map 2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
2025
2026 1
1284} 2027}
1285 2028
1286sub find; 2029sub find;
1287sub find { 2030sub find {
1288 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1289 2032
1290 #warn "find<$path,$origin>\n";#d#
1291
1292 $path = new cf::path $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1293 my $key = $path->as_string;
1294 2034
1295 cf::lock_wait "map_find:$key"; 2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297 $cf::MAP{$key} || do {
1298 my $guard = cf::lock_acquire "map_find:$key"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1299 2037
1300 # do it the slow way 2038 $cf::MAP{$path} || do {
1301 my $map = try_load_header $path->save_path; 2039 my $map = new_from_path cf::map $path
1302
1303 Coro::cede;
1304
1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1308 # safety
1309 $map->{instantiate_time} = $cf::RUNTIME
1310 if $map->{instantiate_time} > $cf::RUNTIME;
1311 } else {
1312 if (my $rmp = $path->random_map_params) {
1313 $map = generate_random_map $key, $rmp;
1314 } else {
1315 $map = try_load_header $path->load_path;
1316 }
1317
1318 $map or return; 2040 or return;
1319 2041
1320 $map->{load_original} = 1;
1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1323 $map->instantiate;
1324
1325 # per-player maps become, after loading, normal maps
1326 $map->per_player (0) if $path->{user_rel};
1327 }
1328
1329 $map->path ($key);
1330 $map->{path} = $path;
1331 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1332 2043
1333 Coro::cede; 2044 $map->load_header
2045 or return;
1334 2046
1335 if ($map->should_reset) { 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048 # doing this can freeze the server in a sync job, obviously
2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1336 $map->reset; 2052 $map->reset;
1337 undef $guard;
1338 $map = find $path 2053 return find $path;
1339 or return;
1340 } 2054 }
1341 2055
1342 $cf::MAP{$key} = $map 2056 $cf::MAP{$path} = $map
1343 } 2057 }
1344} 2058}
2059
2060sub pre_load { }
2061#sub post_load { } # XS
1345 2062
1346sub load { 2063sub load {
1347 my ($self) = @_; 2064 my ($self) = @_;
1348 2065
2066 local $self->{deny_reset} = 1; # loading can take a long time
2067
1349 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2071 my $guard = cf::lock_acquire "map_data:$path";
1351 2072
2073 return unless $self->valid;
1352 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1353 2075
1354 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1355 2077
1356 $self->alloc; 2078 $self->alloc;
1357 $self->load_objects ($self->{load_path}, 1) 2079
2080 $self->pre_load;
2081 cf::cede_to_tick;
2082
2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1358 or return; 2086 or return;
1359 2087
1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1361 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1362 2090
1363 if (my $uniq = $path->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1364 utf8::encode $uniq; 2092 utf8::encode $uniq;
1365 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1366 $self->clear_unique_items; 2095 $self->clear_unique_items;
1367 $self->load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1368 } 2099 }
1369 } 2100 }
1370 2101
1371 Coro::cede; 2102 $f->resolve_delayed_derefs;
1372 2103
2104 cf::cede_to_tick;
1373 # now do the right thing for maps 2105 # now do the right thing for maps
1374 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1375
1376 if ($self->{path}->is_style_map) {
1377 $self->{deny_save} = 1;
1378 $self->{deny_reset} = 1;
1379 } else {
1380 $self->fix_auto_apply;
1381 $self->decay_objects;
1382 $self->update_buttons;
1383 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 2108 unless $self->difficulty;
2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
1386 $self->activate; 2116 $self->activate;
1387 } 2117 }
1388 2118
1389 Coro::cede; 2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
1390 2121
1391 $self->in_memory (cf::MAP_IN_MEMORY); 2122 $self->in_memory (cf::MAP_ACTIVE);
2123 }
2124
2125 $self->post_load;
2126}
2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
2131sub customise_for {
2132 my ($self, $ob) = @_;
2133
2134 return find "~" . $ob->name . "/" . $self->{path}
2135 if $self->per_player;
2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
2140 $self
1392} 2141}
1393 2142
1394# find and load all maps in the 3x3 area around a map 2143# find and load all maps in the 3x3 area around a map
1395sub load_diag { 2144sub load_neighbours {
1396 my ($map) = @_; 2145 my ($map) = @_;
1397 2146
1398 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1399 2148
1400 for (0 .. 3) { 2149 for (0 .. 3) {
1401 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1402 or next; 2151 or next;
1403 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1404 or next; 2153 or next;
1405 $neigh->load; 2154 $neigh->load;
1406 2155
2156 push @neigh,
1407 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1408 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1409 } 2159 }
1410 2160
1411 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1412 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1413 or next; 2164 or next;
1414 $neigh->load; 2165 $neigh->load;
1415 } 2166 }
1416} 2167}
1417 2168
… …
1422} 2173}
1423 2174
1424sub do_load_sync { 2175sub do_load_sync {
1425 my ($map) = @_; 2176 my ($map) = @_;
1426 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1427 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1428} 2182}
1429 2183
1430our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
2185our $MAP_PREFETCHER = undef;
2186
2187sub find_async {
2188 my ($path, $origin, $load) = @_;
2189
2190 $path = normalise $path, $origin && $origin->{path};
2191
2192 if (my $map = $cf::MAP{$path}) {
2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2194 }
2195
2196 $MAP_PREFETCH{$path} |= $load;
2197
1431our $MAP_PREFETCHER = Coro::async { 2198 $MAP_PREFETCHER ||= cf::async {
1432 while () { 2199 $Coro::current->{desc} = "map prefetcher";
2200
1433 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1435 or next; 2203 if (my $map = find $k) {
2204 $map->load if $v;
2205 }
2206
1436 my $path = delete $MAP_PREFETCH{$key}; 2207 delete $MAP_PREFETCH{$k};
1437
1438 my $map = find $path
1439 or next;
1440 $map->load;
1441 } 2208 }
1442 Coro::schedule; 2209 }
2210 undef $MAP_PREFETCHER;
1443 } 2211 };
1444};
1445
1446sub find_async {
1447 my ($path, $origin) = @_;
1448
1449 $path = new cf::path $path, $origin && $origin->path;
1450 my $key = $path->as_string;
1451
1452 if (my $map = $cf::MAP{$key}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 }
1455
1456 $MAP_PREFETCH{$key} = $path;
1457 $MAP_PREFETCHER->ready; 2212 $MAP_PREFETCHER->prio (6);
1458 2213
1459 () 2214 ()
2215}
2216
2217# common code, used by both ->save and ->swapout
2218sub _save {
2219 my ($self) = @_;
2220
2221 $self->{last_save} = $cf::RUNTIME;
2222
2223 return unless $self->dirty;
2224
2225 my $save = $self->save_path; utf8::encode $save;
2226 my $uniq = $self->uniq_path; utf8::encode $uniq;
2227
2228 $self->{load_path} = $save;
2229
2230 return if $self->{deny_save};
2231
2232 local $self->{last_access} = $self->last_access;#d#
2233
2234 cf::async {
2235 $Coro::current->{desc} = "map player save";
2236 $_->contr->save for $self->players;
2237 };
2238
2239 cf::get_slot 0.02;
2240
2241 if ($uniq) {
2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2244 } else {
2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2246 }
1460} 2247}
1461 2248
1462sub save { 2249sub save {
1463 my ($self) = @_; 2250 my ($self) = @_;
1464 2251
1465 my $lock = cf::lock_acquire "map_data:" . $self->path; 2252 my $lock = cf::lock_acquire "map_data:$self->{path}";
1466 2253
1467 $self->{last_save} = $cf::RUNTIME; 2254 $self->_save;
1468
1469 return unless $self->dirty;
1470
1471 my $save = $self->{path}->save_path; utf8::encode $save;
1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1473
1474 $self->{load_path} = $save;
1475
1476 return if $self->{deny_save};
1477
1478 local $self->{last_access} = $self->last_access;#d#
1479
1480 cf::async {
1481 $_->contr->save for $self->players;
1482 };
1483
1484 if ($uniq) {
1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486 $self->save_objects ($uniq, cf::IO_UNIQUES);
1487 } else {
1488 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489 }
1490} 2255}
1491 2256
1492sub swap_out { 2257sub swap_out {
1493 my ($self) = @_; 2258 my ($self) = @_;
1494 2259
1495 # save first because save cedes
1496 $self->save;
1497
1498 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1499 2261
2262 return if $self->in_memory != cf::MAP_ACTIVE;
2263 return if $self->{deny_save};
1500 return if $self->players; 2264 return if $self->players;
1501 return if $self->in_memory != cf::MAP_IN_MEMORY;
1502 return if $self->{deny_save};
1503 2265
2266 # first deactivate the map and "unlink" it from the core
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 # then atomically save
2272 $self->_save;
2273
2274 # then free the map
1504 $self->clear; 2275 $self->clear;
1505 $self->in_memory (cf::MAP_SWAPPED);
1506} 2276}
1507 2277
1508sub reset_at { 2278sub reset_at {
1509 my ($self) = @_; 2279 my ($self) = @_;
1510 2280
1511 # TODO: safety, remove and allow resettable per-player maps 2281 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel};
1513 return 1e99 if $self->{deny_reset}; 2282 return 1e99 if $self->{deny_reset};
1514 2283
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2284 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2285 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517 2286
… …
1522 my ($self) = @_; 2291 my ($self) = @_;
1523 2292
1524 $self->reset_at <= $cf::RUNTIME 2293 $self->reset_at <= $cf::RUNTIME
1525} 2294}
1526 2295
1527sub unlink_save {
1528 my ($self) = @_;
1529
1530 utf8::encode (my $save = $self->{path}->save_path);
1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533}
1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1548sub reset { 2296sub reset {
1549 my ($self) = @_; 2297 my ($self) = @_;
1550 2298
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 2299 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 2300
1553 return if $self->players; 2301 return if $self->players;
1554 return if $self->{path}{user_rel};#d#
1555 2302
1556 warn "resetting map ", $self->path;#d# 2303 warn "resetting map ", $self->path, "\n";
2304
2305 $self->in_memory (cf::MAP_SWAPPED);
2306
2307 # need to save uniques path
2308 unless ($self->{deny_save}) {
2309 my $uniq = $self->uniq_path; utf8::encode $uniq;
2310
2311 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2312 if $uniq;
2313 }
1557 2314
1558 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
1559 2316
2317 $self->deactivate;
1560 $_->clear_links_to ($self) for values %cf::MAP; 2318 $_->clear_links_to ($self) for values %cf::MAP;
2319 $self->clear;
1561 2320
1562 $self->unlink_save; 2321 $self->unlink_save;
1563 $self->destroy; 2322 $self->destroy;
1564} 2323}
1565 2324
1566my $nuke_counter = "aaaa"; 2325my $nuke_counter = "aaaa";
1567 2326
1568sub nuke { 2327sub nuke {
1569 my ($self) = @_; 2328 my ($self) = @_;
1570 2329
2330 {
2331 my $lock = cf::lock_acquire "map_data:$self->{path}";
2332
2333 delete $cf::MAP{$self->path};
2334
2335 $self->unlink_save;
2336
2337 bless $self, "cf::map";
2338 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 2339 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 2340 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++)); 2341 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2342
2343 $cf::MAP{$self->path} = $self;
2344 }
2345
1574 $self->reset; # polite request, might not happen 2346 $self->reset; # polite request, might not happen
1575} 2347}
1576 2348
1577sub customise_for { 2349=item $maps = cf::map::tmp_maps
1578 my ($map, $ob) = @_;
1579 2350
1580 if ($map->per_player) { 2351Returns an arrayref with all map paths of currently instantiated and saved
1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2352maps. May block.
2353
2354=cut
2355
2356sub tmp_maps() {
1582 } 2357 [
2358 map {
2359 utf8::decode $_;
2360 /\.map$/
2361 ? normalise $_
2362 : ()
2363 } @{ aio_readdir $TMPDIR or [] }
2364 ]
2365}
1583 2366
1584 $map 2367=item $maps = cf::map::random_maps
2368
2369Returns an arrayref with all map paths of currently instantiated and saved
2370random maps. May block.
2371
2372=cut
2373
2374sub random_maps() {
2375 [
2376 map {
2377 utf8::decode $_;
2378 /\.map$/
2379 ? normalise "?random/$_"
2380 : ()
2381 } @{ aio_readdir $RANDOMDIR or [] }
2382 ]
1585} 2383}
1586 2384
1587=item cf::map::unique_maps 2385=item cf::map::unique_maps
1588 2386
1589Returns an arrayref of cf::path's of all shared maps that have 2387Returns an arrayref of paths of all shared maps that have
1590instantiated unique items. May block. 2388instantiated unique items. May block.
1591 2389
1592=cut 2390=cut
1593 2391
1594sub unique_maps() { 2392sub unique_maps() {
1595 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2393 [
1596 or return; 2394 map {
1597
1598 my @paths;
1599
1600 for (@$files) {
1601 utf8::decode $_; 2395 utf8::decode $_;
1602 next if /\.pst$/; 2396 s/\.map$//; # TODO future compatibility hack
1603 next unless /^$PATH_SEP/o; 2397 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604 2398 ? ()
1605 push @paths, new cf::path $_; 2399 : normalise $_
2400 } @{ aio_readdir $UNIQUEDIR or [] }
1606 } 2401 ]
1607
1608 \@paths
1609} 2402}
1610 2403
1611package cf; 2404=item cf::map::static_maps
2405
2406Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2407file in the shared directory excluding F</styles> and F</editor>). May
2408block.
2409
2410=cut
2411
2412sub static_maps() {
2413 my @dirs = "";
2414 my @maps;
2415
2416 while (@dirs) {
2417 my $dir = shift @dirs;
2418
2419 next if $dir eq "/styles" || $dir eq "/editor";
2420
2421 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2422 or return;
2423
2424 for (@$files) {
2425 s/\.map$// or next;
2426 utf8::decode $_;
2427 push @maps, "$dir/$_";
2428 }
2429
2430 push @dirs, map "$dir/$_", @$dirs;
2431 }
2432
2433 \@maps
2434}
1612 2435
1613=back 2436=back
1614 2437
1615=head3 cf::object 2438=head3 cf::object
1616 2439
… …
1620 2443
1621=over 4 2444=over 4
1622 2445
1623=item $ob->inv_recursive 2446=item $ob->inv_recursive
1624 2447
1625Returns the inventory of the object _and_ their inventories, recursively. 2448Returns the inventory of the object I<and> their inventories, recursively,
2449but I<not> the object itself.
1626 2450
1627=cut 2451=cut
1628 2452
1629sub inv_recursive_; 2453sub inv_recursive_;
1630sub inv_recursive_ { 2454sub inv_recursive_ {
… …
1633 2457
1634sub inv_recursive { 2458sub inv_recursive {
1635 inv_recursive_ inv $_[0] 2459 inv_recursive_ inv $_[0]
1636} 2460}
1637 2461
2462=item $ref = $ob->ref
2463
2464Creates and returns a persistent reference to an object that can be stored as a string.
2465
2466=item $ob = cf::object::deref ($refstring)
2467
2468returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2469even if the object actually exists. May block.
2470
2471=cut
2472
2473sub deref {
2474 my ($ref) = @_;
2475
2476 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2477 my ($uuid, $name) = ($1, $2);
2478 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2479 or return;
2480 $pl->ob->uuid eq $uuid
2481 or return;
2482
2483 $pl->ob
2484 } else {
2485 warn "$ref: cannot resolve object reference\n";
2486 undef
2487 }
2488}
2489
1638package cf; 2490package cf;
1639 2491
1640=back 2492=back
1641 2493
1642=head3 cf::object::player 2494=head3 cf::object::player
… …
1648Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2500Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649can be C<undef>. Does the right thing when the player is currently in a 2501can be C<undef>. Does the right thing when the player is currently in a
1650dialogue with the given NPC character. 2502dialogue with the given NPC character.
1651 2503
1652=cut 2504=cut
2505
2506our $SAY_CHANNEL = {
2507 id => "say",
2508 title => "Map",
2509 reply => "say ",
2510 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2511};
2512
2513our $CHAT_CHANNEL = {
2514 id => "chat",
2515 title => "Chat",
2516 reply => "chat ",
2517 tooltip => "Player chat and shouts, global to the server.",
2518};
1653 2519
1654# rough implementation of a future "reply" method that works 2520# rough implementation of a future "reply" method that works
1655# with dialog boxes. 2521# with dialog boxes.
1656#TODO: the first argument must go, split into a $npc->reply_to ( method 2522#TODO: the first argument must go, split into a $npc->reply_to ( method
1657sub cf::object::player::reply($$$;$) { 2523sub cf::object::player::reply($$$;$) {
… …
1659 2525
1660 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2526 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661 2527
1662 if ($self->{record_replies}) { 2528 if ($self->{record_replies}) {
1663 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2529 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2530
1664 } else { 2531 } else {
2532 my $pl = $self->contr;
2533
2534 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2535 my $dialog = $pl->{npc_dialog};
2536 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2537
2538 } else {
1665 $msg = $npc->name . " says: $msg" if $npc; 2539 $msg = $npc->name . " says: $msg" if $npc;
1666 $self->message ($msg, $flags); 2540 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2541 }
1667 } 2542 }
2543}
2544
2545=item $object->send_msg ($channel, $msg, $color, [extra...])
2546
2547=cut
2548
2549sub cf::object::send_msg {
2550 my $pl = shift->contr
2551 or return;
2552 $pl->send_msg (@_);
1668} 2553}
1669 2554
1670=item $player_object->may ("access") 2555=item $player_object->may ("access")
1671 2556
1672Returns wether the given player is authorized to access resource "access" 2557Returns wether the given player is authorized to access resource "access"
… …
1685 2570
1686=item $player_object->enter_link 2571=item $player_object->enter_link
1687 2572
1688Freezes the player and moves him/her to a special map (C<{link}>). 2573Freezes the player and moves him/her to a special map (C<{link}>).
1689 2574
1690The player should be reaosnably safe there for short amounts of time. You 2575The player should be reasonably safe there for short amounts of time (e.g.
1691I<MUST> call C<leave_link> as soon as possible, though. 2576for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2577though, as the palyer cannot control the character while it is on the link
2578map.
2579
2580Will never block.
1692 2581
1693=item $player_object->leave_link ($map, $x, $y) 2582=item $player_object->leave_link ($map, $x, $y)
1694 2583
1695Moves the player out of the specila link map onto the given map. If the 2584Moves the player out of the special C<{link}> map onto the specified
1696map is not valid (or omitted), the player will be moved back to the 2585map. If the map is not valid (or omitted), the player will be moved back
1697location he/she was before the call to C<enter_link>, or, if that fails, 2586to the location he/she was before the call to C<enter_link>, or, if that
1698to the emergency map position. 2587fails, to the emergency map position.
1699 2588
1700Might block. 2589Might block.
1701 2590
1702=cut 2591=cut
2592
2593sub link_map {
2594 unless ($LINK_MAP) {
2595 $LINK_MAP = cf::map::find "{link}"
2596 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2597 $LINK_MAP->load;
2598 }
2599
2600 $LINK_MAP
2601}
1703 2602
1704sub cf::object::player::enter_link { 2603sub cf::object::player::enter_link {
1705 my ($self) = @_; 2604 my ($self) = @_;
1706 2605
1707 $self->deactivate_recursive; 2606 $self->deactivate_recursive;
1708 2607
1709 return if $self->map == $LINK_MAP; 2608 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 2609
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2610 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 2611 if $self->map && $self->map->{path} ne "{link}";
1713 2612
1714 $self->enter_map ($LINK_MAP, 20, 20); 2613 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 2614}
1716 2615
1717sub cf::object::player::leave_link { 2616sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 2617 my ($self, $map, $x, $y) = @_;
2618
2619 return unless $self->contr->active;
1719 2620
1720 my $link_pos = delete $self->{_link_pos}; 2621 my $link_pos = delete $self->{_link_pos};
1721 2622
1722 unless ($map) { 2623 unless ($map) {
1723 # restore original map position 2624 # restore original map position
… …
1734 ($x, $y) = (-1, -1) 2635 ($x, $y) = (-1, -1)
1735 unless (defined $x) && (defined $y); 2636 unless (defined $x) && (defined $y);
1736 2637
1737 # use -1 or undef as default coordinates, not 0, 0 2638 # use -1 or undef as default coordinates, not 0, 0
1738 ($x, $y) = ($map->enter_x, $map->enter_y) 2639 ($x, $y) = ($map->enter_x, $map->enter_y)
1739 if $x <=0 && $y <= 0; 2640 if $x <= 0 && $y <= 0;
1740 2641
1741 $map->load; 2642 $map->load;
1742 $map->load_diag; 2643 $map->load_neighbours;
1743 2644
1744 return unless $self->contr->active; 2645 return unless $self->contr->active;
2646
2647 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2648 $self->enter_map ($map, $x, $y);
2649
2650 # only activate afterwards, to support waiting in hooks
1745 $self->activate_recursive; 2651 $self->activate_recursive;
1746 $self->enter_map ($map, $x, $y);
1747} 2652}
1748 2653
1749cf::player->attach ( 2654=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750 on_logout => sub {
1751 my ($pl) = @_;
1752 2655
1753 # abort map switching before logout 2656Moves the player to the given map-path and coordinates by first freezing
1754 if ($pl->ob->{_link_pos}) { 2657her, loading and preparing them map, calling the provided $check callback
1755 cf::sync_job { 2658that has to return the map if sucecssful, and then unfreezes the player on
1756 $pl->ob->leave_link 2659the new (success) or old (failed) map position. In either case, $done will
1757 }; 2660be called at the end of this process.
1758 }
1759 },
1760 on_login => sub {
1761 my ($pl) = @_;
1762 2661
1763 # try to abort aborted map switching on player login :) 2662Note that $check will be called with a potentially non-loaded map, so if
1764 # should happen only on crashes 2663it needs a loaded map it has to call C<< ->load >>.
1765 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link;
1767 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1774 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link;
1776 })->prio (2);
1777 }
1778 },
1779);
1780 2664
1781=item $player_object->goto ($path, $x, $y)
1782
1783=cut 2665=cut
2666
2667our $GOTOGEN;
1784 2668
1785sub cf::object::player::goto { 2669sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 2670 my ($self, $path, $x, $y, $check, $done) = @_;
1787 2671
1788 $path = new cf::path $path; 2672 # do generation counting so two concurrent goto's will be executed in-order
2673 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789 2674
1790 $self->enter_link; 2675 $self->enter_link;
1791 2676
1792 (async { 2677 (async {
1793 my $map = cf::map::find $path->as_string; 2678 $Coro::current->{desc} = "player::goto $path $x $y";
2679
2680 # *tag paths override both path and x|y
2681 if ($path =~ /^\*(.*)$/) {
2682 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2683 my $ob = $obs[rand @obs];
2684
2685 # see if we actually can go there
2686 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2687 $ob = $obs[rand @obs];
2688 } else {
2689 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2690 }
2691 # else put us there anyways for now #d#
2692
2693 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2694 } else {
2695 ($path, $x, $y) = (undef, undef, undef);
2696 }
2697 }
2698
2699 my $map = eval {
2700 my $map = defined $path ? cf::map::find $path : undef;
2701
2702 if ($map) {
1794 $map = $map->customise_for ($self) if $map; 2703 $map = $map->customise_for ($self);
1795 2704 $map = $check->($map) if $check && $map;
1796# warn "entering ", $map->path, " at ($x, $y)\n" 2705 } else {
1797# if $map;
1798
1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2706 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2707 }
1800 2708
2709 $map
2710 };
2711
2712 if ($@) {
2713 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2714 LOG llevError | logBacktrace, Carp::longmess $@;
2715 }
2716
2717 if ($gen == $self->{_goto_generation}) {
2718 delete $self->{_goto_generation};
1801 $self->leave_link ($map, $x, $y); 2719 $self->leave_link ($map, $x, $y);
2720 }
2721
2722 $done->() if $done;
1802 })->prio (1); 2723 })->prio (1);
1803} 2724}
1804 2725
1805=item $player_object->enter_exit ($exit_object) 2726=item $player_object->enter_exit ($exit_object)
1806 2727
… …
1808 2729
1809sub parse_random_map_params { 2730sub parse_random_map_params {
1810 my ($spec) = @_; 2731 my ($spec) = @_;
1811 2732
1812 my $rmp = { # defaults 2733 my $rmp = { # defaults
1813 xsize => 10, 2734 xsize => (cf::rndm 15, 40),
1814 ysize => 10, 2735 ysize => (cf::rndm 15, 40),
2736 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2737 #layout => string,
1815 }; 2738 };
1816 2739
1817 for (split /\n/, $spec) { 2740 for (split /\n/, $spec) {
1818 my ($k, $v) = split /\s+/, $_, 2; 2741 my ($k, $v) = split /\s+/, $_, 2;
1819 2742
… …
1831 # that depends on the exit object 2754 # that depends on the exit object
1832 2755
1833 my $rmp = parse_random_map_params $exit->msg; 2756 my $rmp = parse_random_map_params $exit->msg;
1834 2757
1835 if ($exit->map) { 2758 if ($exit->map) {
1836 $rmp->{region} = $exit->map->region_name; 2759 $rmp->{region} = $exit->region->name;
1837 $rmp->{origin_map} = $exit->map->path; 2760 $rmp->{origin_map} = $exit->map->path;
1838 $rmp->{origin_x} = $exit->x; 2761 $rmp->{origin_x} = $exit->x;
1839 $rmp->{origin_y} = $exit->y; 2762 $rmp->{origin_y} = $exit->y;
2763
2764 $exit->map->touch;
1840 } 2765 }
1841 2766
1842 $rmp->{random_seed} ||= $exit->random_seed; 2767 $rmp->{random_seed} ||= $exit->random_seed;
1843 2768
1844 my $data = cf::to_json $rmp; 2769 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845 my $md5 = Digest::MD5::md5_hex $data; 2770 my $md5 = Digest::MD5::md5_hex $data;
2771 my $meta = "$RANDOMDIR/$md5.meta";
1846 2772
1847 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2773 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848 aio_write $fh, 0, (length $data), $data, 0; 2774 aio_write $fh, 0, (length $data), $data, 0;
2775 undef $fh;
2776 aio_rename "$meta~", $meta;
1849 2777
2778 my $slaying = "?random/$md5";
2779
2780 if ($exit->valid) {
1850 $exit->slaying ("?random/$md5"); 2781 $exit->slaying ("?random/$md5");
1851 $exit->msg (undef); 2782 $exit->msg (undef);
2783 }
1852 } 2784 }
1853} 2785}
1854 2786
1855sub cf::object::player::enter_exit { 2787sub cf::object::player::enter_exit {
1856 my ($self, $exit) = @_; 2788 my ($self, $exit) = @_;
… …
1858 return unless $self->type == cf::PLAYER; 2790 return unless $self->type == cf::PLAYER;
1859 2791
1860 $self->enter_link; 2792 $self->enter_link;
1861 2793
1862 (async { 2794 (async {
1863 $self->deactivate_recursive; # just to be sure 2795 $Coro::current->{desc} = "enter_exit";
2796
1864 unless (eval { 2797 unless (eval {
2798 $self->deactivate_recursive; # just to be sure
2799
2800 # random map handling
2801 {
2802 my $guard = cf::lock_acquire "exit_prepare:$exit";
2803
1865 prepare_random_map $exit 2804 prepare_random_map $exit
1866 if $exit->slaying eq "/!"; 2805 if $exit->slaying eq "/!";
2806 }
1867 2807
1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2808 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2809 my $x = $exit->stats->hp;
2810 my $y = $exit->stats->sp;
1870 2811
2812 $self->goto ($map, $x, $y);
2813
2814 # if exit is damned, update players death & WoR home-position
2815 $self->contr->savebed ($map, $x, $y)
2816 if $exit->flag (cf::FLAG_DAMNED);
2817
1871 1; 2818 1
1872 }) { 2819 }) {
1873 $self->message ("Something went wrong deep within the crossfire server. " 2820 $self->message ("Something went wrong deep within the deliantra server. "
1874 . "I'll try to bring you back to the map you were before. " 2821 . "I'll try to bring you back to the map you were before. "
1875 . "Please report this to the dungeon master!", 2822 . "Please report this to the dungeon master!",
1876 cf::NDI_UNIQUE | cf::NDI_RED); 2823 cf::NDI_UNIQUE | cf::NDI_RED);
1877 2824
1878 warn "ERROR in enter_exit: $@"; 2825 warn "ERROR in enter_exit: $@";
1879 $self->leave_link; 2826 $self->leave_link;
1880 } 2827 }
1881 })->prio (1); 2828 })->prio (1);
… …
1894 2841
1895sub cf::client::send_drawinfo { 2842sub cf::client::send_drawinfo {
1896 my ($self, $text, $flags) = @_; 2843 my ($self, $text, $flags) = @_;
1897 2844
1898 utf8::encode $text; 2845 utf8::encode $text;
1899 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2846 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900} 2847}
1901 2848
2849=item $client->send_big_packet ($pkt)
2850
2851Like C<send_packet>, but tries to compress large packets, and fragments
2852them as required.
2853
2854=cut
2855
2856our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2857
2858sub cf::client::send_big_packet {
2859 my ($self, $pkt) = @_;
2860
2861 # try lzf for large packets
2862 $pkt = "lzf " . Compress::LZF::compress $pkt
2863 if 1024 <= length $pkt and $self->{can_lzf};
2864
2865 # split very large packets
2866 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2867 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2868 $pkt = "frag";
2869 }
2870
2871 $self->send_packet ($pkt);
2872}
2873
2874=item $client->send_msg ($channel, $msg, $color, [extra...])
2875
2876Send a drawinfo or msg packet to the client, formatting the msg for the
2877client if neccessary. C<$type> should be a string identifying the type of
2878the message, with C<log> being the default. If C<$color> is negative, suppress
2879the message unless the client supports the msg packet.
2880
2881=cut
2882
2883# non-persistent channels (usually the info channel)
2884our %CHANNEL = (
2885 "c/motd" => {
2886 id => "infobox",
2887 title => "MOTD",
2888 reply => undef,
2889 tooltip => "The message of the day",
2890 },
2891 "c/identify" => {
2892 id => "infobox",
2893 title => "Identify",
2894 reply => undef,
2895 tooltip => "Items recently identified",
2896 },
2897 "c/examine" => {
2898 id => "infobox",
2899 title => "Examine",
2900 reply => undef,
2901 tooltip => "Signs and other items you examined",
2902 },
2903 "c/shopinfo" => {
2904 id => "infobox",
2905 title => "Shop Info",
2906 reply => undef,
2907 tooltip => "What your bargaining skill tells you about the shop",
2908 },
2909 "c/book" => {
2910 id => "infobox",
2911 title => "Book",
2912 reply => undef,
2913 tooltip => "The contents of a note or book",
2914 },
2915 "c/lookat" => {
2916 id => "infobox",
2917 title => "Look",
2918 reply => undef,
2919 tooltip => "What you saw there",
2920 },
2921 "c/who" => {
2922 id => "infobox",
2923 title => "Players",
2924 reply => undef,
2925 tooltip => "Shows players who are currently online",
2926 },
2927 "c/body" => {
2928 id => "infobox",
2929 title => "Body Parts",
2930 reply => undef,
2931 tooltip => "Shows which body parts you posess and are available",
2932 },
2933 "c/statistics" => {
2934 id => "infobox",
2935 title => "Statistics",
2936 reply => undef,
2937 tooltip => "Shows your primary statistics",
2938 },
2939 "c/skills" => {
2940 id => "infobox",
2941 title => "Skills",
2942 reply => undef,
2943 tooltip => "Shows your experience per skill and item power",
2944 },
2945 "c/shopitems" => {
2946 id => "infobox",
2947 title => "Shop Items",
2948 reply => undef,
2949 tooltip => "Shows the items currently for sale in this shop",
2950 },
2951 "c/resistances" => {
2952 id => "infobox",
2953 title => "Resistances",
2954 reply => undef,
2955 tooltip => "Shows your resistances",
2956 },
2957 "c/pets" => {
2958 id => "infobox",
2959 title => "Pets",
2960 reply => undef,
2961 tooltip => "Shows information abotu your pets/a specific pet",
2962 },
2963 "c/perceiveself" => {
2964 id => "infobox",
2965 title => "Perceive Self",
2966 reply => undef,
2967 tooltip => "You gained detailed knowledge about yourself",
2968 },
2969 "c/uptime" => {
2970 id => "infobox",
2971 title => "Uptime",
2972 reply => undef,
2973 tooltip => "How long the server has been running since last restart",
2974 },
2975 "c/mapinfo" => {
2976 id => "infobox",
2977 title => "Map Info",
2978 reply => undef,
2979 tooltip => "Information related to the maps",
2980 },
2981 "c/party" => {
2982 id => "party",
2983 title => "Party",
2984 reply => "gsay ",
2985 tooltip => "Messages and chat related to your party",
2986 },
2987 "c/death" => {
2988 id => "death",
2989 title => "Death",
2990 reply => undef,
2991 tooltip => "Reason for and more info about your most recent death",
2992 },
2993 "c/say" => $SAY_CHANNEL,
2994 "c/chat" => $CHAT_CHANNEL,
2995);
2996
2997sub cf::client::send_msg {
2998 my ($self, $channel, $msg, $color, @extra) = @_;
2999
3000 $msg = $self->pl->expand_cfpod ($msg)
3001 unless $color & cf::NDI_VERBATIM;
3002
3003 $color &= cf::NDI_CLIENT_MASK; # just in case...
3004
3005 # check predefined channels, for the benefit of C
3006 if ($CHANNEL{$channel}) {
3007 $channel = $CHANNEL{$channel};
3008
3009 $self->ext_msg (channel_info => $channel);
3010 $channel = $channel->{id};
3011
3012 } elsif (ref $channel) {
3013 # send meta info to client, if not yet sent
3014 unless (exists $self->{channel}{$channel->{id}}) {
3015 $self->{channel}{$channel->{id}} = $channel;
3016 $self->ext_msg (channel_info => $channel);
3017 }
3018
3019 $channel = $channel->{id};
3020 }
3021
3022 return unless @extra || length $msg;
3023
3024 # default colour, mask it out
3025 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3026 if $color & cf::NDI_DEF;
3027
3028 my $pkt = "msg "
3029 . $self->{json_coder}->encode (
3030 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3031 );
3032
3033 $self->send_big_packet ($pkt);
3034}
3035
3036=item $client->ext_msg ($type, @msg)
3037
3038Sends an ext event to the client.
3039
3040=cut
3041
3042sub cf::client::ext_msg($$@) {
3043 my ($self, $type, @msg) = @_;
3044
3045 if ($self->extcmd == 2) {
3046 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3047 } elsif ($self->extcmd == 1) { # TODO: remove
3048 push @msg, msgtype => "event_$type";
3049 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3050 }
3051}
3052
3053=item $client->ext_reply ($msgid, @msg)
3054
3055Sends an ext reply to the client.
3056
3057=cut
3058
3059sub cf::client::ext_reply($$@) {
3060 my ($self, $id, @msg) = @_;
3061
3062 if ($self->extcmd == 2) {
3063 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3064 } elsif ($self->extcmd == 1) {
3065 #TODO: version 1, remove
3066 unshift @msg, msgtype => "reply", msgid => $id;
3067 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3068 }
3069}
1902 3070
1903=item $success = $client->query ($flags, "text", \&cb) 3071=item $success = $client->query ($flags, "text", \&cb)
1904 3072
1905Queues a query to the client, calling the given callback with 3073Queues a query to the client, calling the given callback with
1906the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3075C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908 3076
1909Queries can fail, so check the return code. Or don't, as queries will become 3077Queries can fail, so check the return code. Or don't, as queries will
1910reliable at some point in the future. 3078become reliable at some point in the future.
1911 3079
1912=cut 3080=cut
1913 3081
1914sub cf::client::query { 3082sub cf::client::query {
1915 my ($self, $flags, $text, $cb) = @_; 3083 my ($self, $flags, $text, $cb) = @_;
… …
1923 utf8::encode $text; 3091 utf8::encode $text;
1924 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3092 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925 3093
1926 $self->send_packet ($self->{query_queue}[0][0]) 3094 $self->send_packet ($self->{query_queue}[0][0])
1927 if @{ $self->{query_queue} } == 1; 3095 if @{ $self->{query_queue} } == 1;
3096
3097 1
1928} 3098}
1929 3099
1930cf::client->attach ( 3100cf::client->attach (
3101 on_connect => sub {
3102 my ($ns) = @_;
3103
3104 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3105 },
1931 on_reply => sub { 3106 on_reply => sub {
1932 my ($ns, $msg) = @_; 3107 my ($ns, $msg) = @_;
1933 3108
1934 # this weird shuffling is so that direct followup queries 3109 # this weird shuffling is so that direct followup queries
1935 # get handled first 3110 # get handled first
1936 my $queue = delete $ns->{query_queue} 3111 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here 3112 or return; # be conservative, not sure how that can happen, but we saw a crash here
1938 3113
1939 (shift @$queue)->[1]->($msg); 3114 (shift @$queue)->[1]->($msg);
3115 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940 3116
1941 push @{ $ns->{query_queue} }, @$queue; 3117 push @{ $ns->{query_queue} }, @$queue;
1942 3118
1943 if (@{ $ns->{query_queue} } == @$queue) { 3119 if (@{ $ns->{query_queue} } == @$queue) {
1944 if (@$queue) { 3120 if (@$queue) {
… …
1946 } else { 3122 } else {
1947 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3123 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948 } 3124 }
1949 } 3125 }
1950 }, 3126 },
3127 on_exticmd => sub {
3128 my ($ns, $buf) = @_;
3129
3130 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3131
3132 if (ref $msg) {
3133 my ($type, $reply, @payload) =
3134 "ARRAY" eq ref $msg
3135 ? @$msg
3136 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3137
3138 my @reply;
3139
3140 if (my $cb = $EXTICMD{$type}) {
3141 @reply = $cb->($ns, @payload);
3142 }
3143
3144 $ns->ext_reply ($reply, @reply)
3145 if $reply;
3146
3147 } else {
3148 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3149 }
3150
3151 cf::override;
3152 },
1951); 3153);
1952 3154
1953=item $client->async (\&cb) 3155=item $client->async (\&cb)
1954 3156
1955Create a new coroutine, running the specified callback. The coroutine will 3157Create a new coroutine, running the specified callback. The coroutine will
… …
1971 3173
1972 $coro 3174 $coro
1973} 3175}
1974 3176
1975cf::client->attach ( 3177cf::client->attach (
1976 on_destroy => sub { 3178 on_client_destroy => sub {
1977 my ($ns) = @_; 3179 my ($ns) = @_;
1978 3180
1979 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3181 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
1980 }, 3182 },
1981); 3183);
… …
1996our $safe = new Safe "safe"; 3198our $safe = new Safe "safe";
1997our $safe_hole = new Safe::Hole; 3199our $safe_hole = new Safe::Hole;
1998 3200
1999$SIG{FPE} = 'IGNORE'; 3201$SIG{FPE} = 'IGNORE';
2000 3202
2001$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3203$safe->permit_only (Opcode::opset qw(
3204 :base_core :base_mem :base_orig :base_math :base_loop
3205 grepstart grepwhile mapstart mapwhile
3206 sort time
3207));
2002 3208
2003# here we export the classes and methods available to script code 3209# here we export the classes and methods available to script code
2004 3210
2005=pod 3211=pod
2006 3212
2007The following fucntions and emthods are available within a safe environment: 3213The following functions and methods are available within a safe environment:
2008 3214
2009 cf::object contr pay_amount pay_player map 3215 cf::object
3216 contr pay_amount pay_player map x y force_find force_add destroy
3217 insert remove name archname title slaying race decrease split
3218 value
3219
2010 cf::object::player player 3220 cf::object::player
2011 cf::player peaceful 3221 player
2012 cf::map trigger 3222
3223 cf::player
3224 peaceful
3225
3226 cf::map
3227 trigger
2013 3228
2014=cut 3229=cut
2015 3230
2016for ( 3231for (
2017 ["cf::object" => qw(contr pay_amount pay_player map)], 3232 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3233 insert remove inv nrof name archname title slaying race
3234 decrease split destroy change_exp value msg lore send_msg)],
2018 ["cf::object::player" => qw(player)], 3235 ["cf::object::player" => qw(player)],
2019 ["cf::player" => qw(peaceful)], 3236 ["cf::player" => qw(peaceful send_msg)],
2020 ["cf::map" => qw(trigger)], 3237 ["cf::map" => qw(trigger)],
2021) { 3238) {
2022 no strict 'refs'; 3239 no strict 'refs';
2023 my ($pkg, @funs) = @$_; 3240 my ($pkg, @funs) = @$_;
2024 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3241 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2042 3259
2043 my $qcode = $code; 3260 my $qcode = $code;
2044 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3261 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2045 $qcode =~ s/\n/\\n/g; 3262 $qcode =~ s/\n/\\n/g;
2046 3263
3264 %vars = (_dummy => 0) unless %vars;
3265
3266 my @res;
2047 local $_; 3267 local $_;
2048 local @safe::cf::_safe_eval_args = values %vars;
2049 3268
2050 my $eval = 3269 my $eval =
2051 "do {\n" 3270 "do {\n"
2052 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3271 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2053 . "#line 0 \"{$qcode}\"\n" 3272 . "#line 0 \"{$qcode}\"\n"
2054 . $code 3273 . $code
2055 . "\n}" 3274 . "\n}"
2056 ; 3275 ;
2057 3276
3277 if ($CFG{safe_eval}) {
2058 sub_generation_inc; 3278 sub_generation_inc;
3279 local @safe::cf::_safe_eval_args = values %vars;
2059 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3280 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2060 sub_generation_inc; 3281 sub_generation_inc;
3282 } else {
3283 local @cf::_safe_eval_args = values %vars;
3284 @res = wantarray ? eval eval : scalar eval $eval;
3285 }
2061 3286
2062 if ($@) { 3287 if ($@) {
2063 warn "$@"; 3288 warn "$@";
2064 warn "while executing safe code '$code'\n"; 3289 warn "while executing safe code '$code'\n";
2065 warn "with arguments " . (join " ", %vars) . "\n"; 3290 warn "with arguments " . (join " ", %vars) . "\n";
… …
2084=cut 3309=cut
2085 3310
2086sub register_script_function { 3311sub register_script_function {
2087 my ($fun, $cb) = @_; 3312 my ($fun, $cb) = @_;
2088 3313
2089 no strict 'refs'; 3314 $fun = "safe::$fun" if $CFG{safe_eval};
2090 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3315 *$fun = $safe_hole->wrap ($cb);
2091} 3316}
2092 3317
2093=back 3318=back
2094 3319
2095=cut 3320=cut
2096 3321
2097############################################################################# 3322#############################################################################
3323# the server's init and main functions
2098 3324
2099=head2 EXTENSION DATABASE SUPPORT 3325sub load_facedata($) {
3326 my ($path) = @_;
2100 3327
2101Crossfire maintains a very simple database for extension use. It can 3328 # HACK to clear player env face cache, we need some signal framework
2102currently store anything that can be serialised using Storable, which 3329 # for this (global event?)
2103excludes objects. 3330 %ext::player_env::MUSIC_FACE_CACHE = ();
2104 3331
2105The parameter C<$family> should best start with the name of the extension 3332 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106using it, it should be unique.
2107 3333
2108=over 4 3334 warn "loading facedata from $path\n";
2109 3335
2110=item $hashref = cf::db_get $family 3336 my $facedata;
3337 0 < aio_load $path, $facedata
3338 or die "$path: $!";
2111 3339
2112Return a hashref for use by the extension C<$family>, which can be 3340 $facedata = Coro::Storable::thaw $facedata;
2113modified. After modifications, you have to call C<cf::db_dirty> or
2114C<cf::db_sync>.
2115 3341
2116=item $value = cf::db_get $family => $key 3342 $facedata->{version} == 2
3343 or cf::cleanup "$path: version mismatch, cannot proceed.";
2117 3344
2118Returns a single value from the database 3345 # patch in the exptable
2119 3346 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2120=item cf::db_put $family => $hashref 3347 $facedata->{resource}{"res/exp_table"} = {
2121 3348 type => FT_RSRC,
2122Stores the given family hashref into the database. Updates are delayed, if 3349 data => $exp_table,
2123you want the data to be synced to disk immediately, use C<cf::db_sync>. 3350 hash => (Digest::MD5::md5 $exp_table),
2124
2125=item cf::db_put $family => $key => $value
2126
2127Stores the given C<$value> in the family hash. Updates are delayed, if you
2128want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_dirty
2131
2132Marks the database as dirty, to be updated at a later time.
2133
2134=item cf::db_sync
2135
2136Immediately write the database to disk I<if it is dirty>.
2137
2138=cut
2139
2140our $DB;
2141
2142{
2143 my $path = cf::localdir . "/database.pst";
2144
2145 sub db_load() {
2146 $DB = stat $path ? Storable::retrieve $path : { };
2147 }
2148
2149 my $pid;
2150
2151 sub db_save() {
2152 waitpid $pid, 0 if $pid;
2153 if (0 == ($pid = fork)) {
2154 $DB->{_meta}{version} = 1;
2155 Storable::nstore $DB, "$path~";
2156 rename "$path~", $path;
2157 cf::_exit 0 if defined $pid;
2158 }
2159 }
2160
2161 my $dirty;
2162
2163 sub db_sync() {
2164 db_save if $dirty;
2165 undef $dirty;
2166 }
2167
2168 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169 db_sync;
2170 }); 3351 };
3352 cf::cede_to_tick;
2171 3353
2172 sub db_dirty() {
2173 $dirty = 1;
2174 $idle->start;
2175 } 3354 {
3355 my $faces = $facedata->{faceinfo};
2176 3356
2177 sub db_get($;$) { 3357 while (my ($face, $info) = each %$faces) {
2178 @_ >= 2 3358 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179 ? $DB->{$_[0]}{$_[1]}
2180 : ($DB->{$_[0]} ||= { })
2181 }
2182 3359
2183 sub db_put($$;$) { 3360 cf::face::set_visibility $idx, $info->{visibility};
2184 if (@_ >= 3) { 3361 cf::face::set_magicmap $idx, $info->{magicmap};
2185 $DB->{$_[0]}{$_[1]} = $_[2]; 3362 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2186 } else { 3363 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2187 $DB->{$_[0]} = $_[1];
2188 }
2189 db_dirty;
2190 }
2191 3364
2192 cf::global->attach ( 3365 cf::cede_to_tick;
2193 prio => 10000,
2194 on_cleanup => sub {
2195 db_sync;
2196 }, 3366 }
2197 );
2198}
2199 3367
2200############################################################################# 3368 while (my ($face, $info) = each %$faces) {
2201# the server's main() 3369 next unless $info->{smooth};
2202 3370
2203sub cfg_load { 3371 my $idx = cf::face::find $face
3372 or next;
3373
3374 if (my $smooth = cf::face::find $info->{smooth}) {
3375 cf::face::set_smooth $idx, $smooth;
3376 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3377 } else {
3378 warn "smooth face '$info->{smooth}' not found for face '$face'";
3379 }
3380
3381 cf::cede_to_tick;
3382 }
3383 }
3384
3385 {
3386 my $anims = $facedata->{animinfo};
3387
3388 while (my ($anim, $info) = each %$anims) {
3389 cf::anim::set $anim, $info->{frames}, $info->{facings};
3390 cf::cede_to_tick;
3391 }
3392
3393 cf::anim::invalidate_all; # d'oh
3394 }
3395
3396 {
3397 my $res = $facedata->{resource};
3398
3399 while (my ($name, $info) = each %$res) {
3400 if (defined $info->{type}) {
3401 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3402
3403 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3404 cf::face::set_type $idx, $info->{type};
3405 } else {
3406 $RESOURCE{$name} = $info;
3407 }
3408
3409 cf::cede_to_tick;
3410 }
3411 }
3412
3413 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3414
3415 1
3416}
3417
3418cf::global->attach (on_resource_update => sub {
3419 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3420 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3421
3422 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3423 my $sound = $soundconf->{compat}[$_]
3424 or next;
3425
3426 my $face = cf::face::find "sound/$sound->[1]";
3427 cf::sound::set $sound->[0] => $face;
3428 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3429 }
3430
3431 while (my ($k, $v) = each %{$soundconf->{event}}) {
3432 my $face = cf::face::find "sound/$v";
3433 cf::sound::set $k => $face;
3434 }
3435 }
3436});
3437
3438register_exticmd fx_want => sub {
3439 my ($ns, $want) = @_;
3440
3441 while (my ($k, $v) = each %$want) {
3442 $ns->fx_want ($k, $v);
3443 }
3444};
3445
3446sub load_resource_file($) {
3447 my $guard = lock_acquire "load_resource_file";
3448
3449 my $status = load_resource_file_ $_[0];
3450 get_slot 0.1, 100;
3451 cf::arch::commit_load;
3452
3453 $status
3454}
3455
3456sub reload_regions {
3457 # HACK to clear player env face cache, we need some signal framework
3458 # for this (global event?)
3459 %ext::player_env::MUSIC_FACE_CACHE = ();
3460
3461 load_resource_file "$MAPDIR/regions"
3462 or die "unable to load regions file\n";
3463
3464 for (cf::region::list) {
3465 $_->{match} = qr/$_->{match}/
3466 if exists $_->{match};
3467 }
3468}
3469
3470sub reload_facedata {
3471 load_facedata "$DATADIR/facedata"
3472 or die "unable to load facedata\n";
3473}
3474
3475sub reload_archetypes {
3476 load_resource_file "$DATADIR/archetypes"
3477 or die "unable to load archetypes\n";
3478}
3479
3480sub reload_treasures {
3481 load_resource_file "$DATADIR/treasures"
3482 or die "unable to load treasurelists\n";
3483}
3484
3485sub reload_resources {
3486 warn "reloading resource files...\n";
3487
3488 reload_facedata;
3489 reload_archetypes;
3490 reload_regions;
3491 reload_treasures;
3492
3493 warn "finished reloading resource files\n";
3494}
3495
3496sub reload_config {
3497 warn "reloading config file...\n";
3498
2204 open my $fh, "<:utf8", cf::confdir . "/config" 3499 open my $fh, "<:utf8", "$CONFDIR/config"
2205 or return; 3500 or return;
2206 3501
2207 local $/; 3502 local $/;
2208 *CFG = YAML::Syck::Load <$fh>; 3503 *CFG = YAML::XS::Load scalar <$fh>;
2209 3504
2210 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3505 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211 3506
2212 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3507 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3508 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2217 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3512 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218 and die "WARNING: m(un)lockall failed: $!\n"; 3513 and die "WARNING: m(un)lockall failed: $!\n";
2219 }; 3514 };
2220 warn $@ if $@; 3515 warn $@ if $@;
2221 } 3516 }
3517
3518 warn "finished reloading resource files\n";
3519}
3520
3521sub pidfile() {
3522 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3523 or die "$PIDFILE: $!";
3524 flock $fh, &Fcntl::LOCK_EX
3525 or die "$PIDFILE: flock: $!";
3526 $fh
3527}
3528
3529# make sure only one server instance is running at any one time
3530sub atomic {
3531 my $fh = pidfile;
3532
3533 my $pid = <$fh>;
3534 kill 9, $pid if $pid > 0;
3535
3536 seek $fh, 0, 0;
3537 print $fh $$;
3538}
3539
3540sub main_loop {
3541 warn "EV::loop starting\n";
3542 if (1) {
3543 EV::loop;
3544 }
3545 warn "EV::loop returned\n";
3546 goto &main_loop unless $REALLY_UNLOOP;
2222} 3547}
2223 3548
2224sub main { 3549sub main {
3550 cf::init_globals; # initialise logging
3551
3552 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3553 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3554 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3555 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3556
3557 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3558
2225 # we must not ever block the main coroutine 3559 # we must not ever block the main coroutine
2226 local $Coro::idle = sub { 3560 local $Coro::idle = sub {
2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3561 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228 async { Event::one_event }; 3562 (async {
3563 $Coro::current->{desc} = "IDLE BUG HANDLER";
3564 EV::loop EV::LOOP_ONESHOT;
3565 })->prio (Coro::PRIO_MAX);
2229 }; 3566 };
2230 3567
2231 cfg_load; 3568 evthread_start IO::AIO::poll_fileno;
2232 db_load; 3569
3570 cf::sync_job {
3571 cf::init_experience;
3572 cf::init_anim;
3573 cf::init_attackmess;
3574 cf::init_dynamic;
3575
3576 cf::load_settings;
3577 cf::load_materials;
3578
3579 reload_resources;
3580 reload_config;
3581 db_init;
3582
3583 cf::init_uuid;
3584 cf::init_signals;
3585 cf::init_skills;
3586
3587 cf::init_beforeplay;
3588
3589 atomic;
3590
2233 load_extensions; 3591 load_extensions;
2234 Event::loop; 3592
3593 utime time, time, $RUNTIMEFILE;
3594
3595 # no (long-running) fork's whatsoever before this point(!)
3596 use POSIX ();
3597 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3598
3599 (pop @POST_INIT)->(0) while @POST_INIT;
3600 };
3601
3602 cf::object::thawer::errors_are_fatal 0;
3603 warn "parse errors in files are no longer fatal from this point on.\n";
3604
3605 main_loop;
2235} 3606}
2236 3607
2237############################################################################# 3608#############################################################################
2238# initialisation and cleanup 3609# initialisation and cleanup
2239 3610
2240# install some emergency cleanup handlers 3611# install some emergency cleanup handlers
2241BEGIN { 3612BEGIN {
3613 our %SIGWATCHER = ();
2242 for my $signal (qw(INT HUP TERM)) { 3614 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal ( 3615 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2244 data => WF_AUTOCANCEL,
2245 signal => $signal,
2246 cb => sub {
2247 cf::cleanup "SIG$signal"; 3616 cf::cleanup "SIG$signal";
2248 },
2249 ); 3617 };
3618 }
3619}
3620
3621sub write_runtime_sync {
3622 my $t0 = AE::time;
3623
3624 # first touch the runtime file to show we are still running:
3625 # the fsync below can take a very very long time.
3626
3627 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3628
3629 my $guard = cf::lock_acquire "write_runtime";
3630
3631 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3632 or return;
3633
3634 my $value = $cf::RUNTIME + 90 + 10;
3635 # 10 is the runtime save interval, for a monotonic clock
3636 # 60 allows for the watchdog to kill the server.
3637
3638 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3639 and return;
3640
3641 # always fsync - this file is important
3642 aio_fsync $fh
3643 and return;
3644
3645 # touch it again to show we are up-to-date
3646 aio_utime $fh, undef, undef;
3647
3648 close $fh
3649 or return;
3650
3651 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3652 and return;
3653
3654 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3655
2250 } 3656 1
3657}
3658
3659our $uuid_lock;
3660our $uuid_skip;
3661
3662sub write_uuid_sync($) {
3663 $uuid_skip ||= $_[0];
3664
3665 return if $uuid_lock;
3666 local $uuid_lock = 1;
3667
3668 my $uuid = "$LOCALDIR/uuid";
3669
3670 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3671 or return;
3672
3673 my $value = uuid_seq uuid_cur;
3674
3675 unless ($value) {
3676 warn "cowardly refusing to write zero uuid value!\n";
3677 return;
3678 }
3679
3680 my $value = uuid_str $value + $uuid_skip;
3681 $uuid_skip = 0;
3682
3683 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3684 and return;
3685
3686 # always fsync - this file is important
3687 aio_fsync $fh
3688 and return;
3689
3690 close $fh
3691 or return;
3692
3693 aio_rename "$uuid~", $uuid
3694 and return;
3695
3696 warn "uuid file written ($value).\n";
3697
3698 1
3699
3700}
3701
3702sub write_uuid($$) {
3703 my ($skip, $sync) = @_;
3704
3705 $sync ? write_uuid_sync $skip
3706 : async { write_uuid_sync $skip };
2251} 3707}
2252 3708
2253sub emergency_save() { 3709sub emergency_save() {
2254 my $freeze_guard = cf::freeze_mainloop; 3710 my $freeze_guard = cf::freeze_mainloop;
2255 3711
2256 warn "enter emergency perl save\n"; 3712 warn "emergency_perl_save: enter\n";
2257 3713
2258 cf::sync_job { 3714 cf::sync_job {
3715 # this is a trade-off: we want to be very quick here, so
3716 # save all maps without fsync, and later call a global sync
3717 # (which in turn might be very very slow)
3718 local $USE_FSYNC = 0;
3719
2259 # use a peculiar iteration method to avoid tripping on perl 3720 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players 3721 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously. 3722 # and maps saved/destroyed asynchronously.
2262 warn "begin emergency player save\n"; 3723 warn "emergency_perl_save: begin player save\n";
2263 for my $login (keys %cf::PLAYER) { 3724 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next; 3725 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next; 3726 $pl->valid or next;
3727 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266 $pl->save; 3728 $pl->save;
2267 } 3729 }
2268 warn "end emergency player save\n"; 3730 warn "emergency_perl_save: end player save\n";
2269 3731
2270 warn "begin emergency map save\n"; 3732 warn "emergency_perl_save: begin map save\n";
2271 for my $path (keys %cf::MAP) { 3733 for my $path (keys %cf::MAP) {
2272 my $map = $cf::MAP{$path} or next; 3734 my $map = $cf::MAP{$path} or next;
2273 $map->valid or next; 3735 $map->valid or next;
2274 $map->save; 3736 $map->save;
2275 } 3737 }
2276 warn "end emergency map save\n"; 3738 warn "emergency_perl_save: end map save\n";
3739
3740 warn "emergency_perl_save: begin database checkpoint\n";
3741 BDB::db_env_txn_checkpoint $DB_ENV;
3742 warn "emergency_perl_save: end database checkpoint\n";
3743
3744 warn "emergency_perl_save: begin write uuid\n";
3745 write_uuid_sync 1;
3746 warn "emergency_perl_save: end write uuid\n";
2277 }; 3747 };
2278 3748
3749 warn "emergency_perl_save: starting sync()\n";
3750 IO::AIO::aio_sync sub {
3751 warn "emergency_perl_save: finished sync()\n";
3752 };
3753
2279 warn "leave emergency perl save\n"; 3754 warn "emergency_perl_save: leave\n";
2280} 3755}
2281 3756
3757sub post_cleanup {
3758 my ($make_core) = @_;
3759
3760 warn Carp::longmess "post_cleanup backtrace"
3761 if $make_core;
3762
3763 my $fh = pidfile;
3764 unlink $PIDFILE if <$fh> == $$;
3765}
3766
3767# a safer delete_package, copied from Symbol
3768sub clear_package($) {
3769 my $pkg = shift;
3770
3771 # expand to full symbol table name if needed
3772 unless ($pkg =~ /^main::.*::$/) {
3773 $pkg = "main$pkg" if $pkg =~ /^::/;
3774 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3775 $pkg .= '::' unless $pkg =~ /::$/;
3776 }
3777
3778 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3779 my $stem_symtab = *{$stem}{HASH};
3780
3781 defined $stem_symtab and exists $stem_symtab->{$leaf}
3782 or return;
3783
3784 # clear all symbols
3785 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3786 for my $name (keys %$leaf_symtab) {
3787 _gv_clear *{"$pkg$name"};
3788# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3789 }
3790 warn "cleared package $pkg\n";#d#
3791}
3792
2282sub reload() { 3793sub do_reload_perl() {
2283 # can/must only be called in main 3794 # can/must only be called in main
2284 if ($Coro::current != $Coro::main) { 3795 if ($Coro::current != $Coro::main) {
2285 warn "can only reload from main coroutine\n"; 3796 warn "can only reload from main coroutine";
2286 return; 3797 return;
2287 } 3798 }
2288 3799
3800 return if $RELOAD++;
3801
3802 my $t1 = AE::time;
3803
3804 while ($RELOAD) {
2289 warn "reloading..."; 3805 warn "reloading...";
2290 3806
2291 warn "freezing server"; 3807 warn "entering sync_job";
2292 my $guard = freeze_mainloop; 3808
3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
2293 cf::emergency_save; 3811 cf::emergency_save;
3812 cf::write_runtime_sync; # external watchdog should not bark
2294 3813
2295 warn "sync database to disk"; 3814 warn "syncing database to disk";
2296 cf::db_sync; 3815 BDB::db_env_txn_checkpoint $DB_ENV;
2297 IO::AIO::flush;
2298 3816
2299 eval {
2300 # if anything goes wrong in here, we should simply crash as we already saved 3817 # if anything goes wrong in here, we should simply crash as we already saved
2301 3818
2302 warn "cancel all watchers"; 3819 warn "flushing outstanding aio requests";
2303 for (Event::all_watchers) { 3820 while (IO::AIO::nreqs || BDB::nreqs) {
2304 $_->cancel if $_->data & WF_AUTOCANCEL; 3821 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305 }
2306
2307 warn "cancel all extension coros";
2308 $_->cancel for values %EXT_CORO;
2309 %EXT_CORO = ();
2310
2311 warn "remove commands";
2312 %COMMAND = ();
2313
2314 warn "remove ext commands";
2315 %EXTCMD = ();
2316
2317 warn "unload/nuke all extensions";
2318 for my $pkg (@EXTS) {
2319 warn "unloading <$pkg>";
2320
2321 if (my $cb = $pkg->can ("unload")) {
2322 eval {
2323 $cb->($pkg);
2324 1
2325 } or warn "$pkg unloaded, but with errors: $@";
2326 } 3822 }
2327 3823
2328 Symbol::delete_package $pkg; 3824 warn "cancelling all extension coros";
2329 } 3825 $_->cancel for values %EXT_CORO;
3826 %EXT_CORO = ();
2330 3827
2331 warn "unload all perl modules loaded from $LIBDIR";
2332 while (my ($k, $v) = each %INC) {
2333 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334
2335 warn "removing <$k>"; 3828 warn "removing commands";
2336 delete $INC{$k}; 3829 %COMMAND = ();
2337 3830
2338 $k =~ s/\.pm$//; 3831 warn "removing ext/exti commands";
2339 $k =~ s/\//::/g; 3832 %EXTCMD = ();
3833 %EXTICMD = ();
2340 3834
3835 warn "unloading/nuking all extensions";
3836 for my $pkg (@EXTS) {
3837 warn "... unloading $pkg";
3838
2341 if (my $cb = $k->can ("unload_module")) { 3839 if (my $cb = $pkg->can ("unload")) {
3840 eval {
2342 $cb->(); 3841 $cb->($pkg);
3842 1
3843 } or warn "$pkg unloaded, but with errors: $@";
3844 }
3845
3846 warn "... clearing $pkg";
3847 clear_package $pkg;
2343 } 3848 }
2344 3849
2345 Symbol::delete_package $k; 3850 warn "unloading all perl modules loaded from $LIBDIR";
3851 while (my ($k, $v) = each %INC) {
3852 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3853
3854 warn "... unloading $k";
3855 delete $INC{$k};
3856
3857 $k =~ s/\.pm$//;
3858 $k =~ s/\//::/g;
3859
3860 if (my $cb = $k->can ("unload_module")) {
3861 $cb->();
3862 }
3863
3864 clear_package $k;
2346 } 3865 }
2347 3866
2348 warn "get rid of safe::, as good as possible"; 3867 warn "getting rid of safe::, as good as possible";
2349 Symbol::delete_package "safe::$_" 3868 clear_package "safe::$_"
2350 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3869 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351 3870
2352 warn "unload cf.pm \"a bit\""; 3871 warn "unloading cf.pm \"a bit\"";
2353 delete $INC{"cf.pm"}; 3872 delete $INC{"cf.pm"};
3873 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2354 3874
2355 # don't, removes xs symbols, too, 3875 # don't, removes xs symbols, too,
2356 # and global variables created in xs 3876 # and global variables created in xs
2357 #Symbol::delete_package __PACKAGE__; 3877 #clear_package __PACKAGE__;
2358 3878
3879 warn "unload completed, starting to reload now";
3880
2359 warn "reloading cf.pm"; 3881 warn "reloading cf.pm";
2360 require cf; 3882 require cf;
2361 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3883 cf::_connect_to_perl_1;
2362 3884
2363 warn "load config and database again"; 3885 warn "loading config and database again";
2364 cf::cfg_load; 3886 cf::reload_config;
2365 cf::db_load;
2366 3887
2367 warn "load extensions"; 3888 warn "loading extensions";
2368 cf::load_extensions; 3889 cf::load_extensions;
2369 3890
3891 if ($REATTACH_ON_RELOAD) {
2370 warn "reattach attachments to objects/players"; 3892 warn "reattaching attachments to objects/players";
2371 _global_reattach; 3893 _global_reattach; # objects, sockets
2372 warn "reattach attachments to maps"; 3894 warn "reattaching attachments to maps";
2373 reattach $_ for values %MAP; 3895 reattach $_ for values %MAP;
3896 warn "reattaching attachments to players";
3897 reattach $_ for values %PLAYER;
3898 }
3899
3900 warn "running post_init jobs";
3901 (pop @POST_INIT)->(1) while @POST_INIT;
3902
3903 warn "leaving sync_job";
3904
3905 1
3906 } or do {
3907 warn $@;
3908 cf::cleanup "error while reloading, exiting.";
3909 };
3910
3911 warn "reloaded";
3912 --$RELOAD;
3913 }
3914
3915 $t1 = AE::time - $t1;
3916 warn "reload completed in ${t1}s\n";
3917};
3918
3919our $RELOAD_WATCHER; # used only during reload
3920
3921sub reload_perl() {
3922 # doing reload synchronously and two reloads happen back-to-back,
3923 # coro crashes during coro_state_free->destroy here.
3924
3925 $RELOAD_WATCHER ||= cf::async {
3926 Coro::AIO::aio_wait cache_extensions;
3927
3928 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3929 do_reload_perl;
3930 undef $RELOAD_WATCHER;
3931 };
2374 }; 3932 };
2375
2376 if ($@) {
2377 warn $@;
2378 warn "error while reloading, exiting.";
2379 exit 1;
2380 }
2381
2382 warn "reloaded";
2383};
2384
2385#############################################################################
2386
2387unless ($LINK_MAP) {
2388 $LINK_MAP = cf::map::new;
2389
2390 $LINK_MAP->width (41);
2391 $LINK_MAP->height (41);
2392 $LINK_MAP->alloc;
2393 $LINK_MAP->path ("{link}");
2394 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397 # dirty hack because... archetypes are not yet loaded
2398 Event->timer (
2399 after => 10,
2400 cb => sub {
2401 $_[0]->w->cancel;
2402
2403 # provide some exits "home"
2404 my $exit = cf::object::new "exit";
2405
2406 $exit->slaying ($EMERGENCY_POSITION->[0]);
2407 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410 $LINK_MAP->insert ($exit->clone, 19, 19);
2411 $LINK_MAP->insert ($exit->clone, 19, 20);
2412 $LINK_MAP->insert ($exit->clone, 19, 21);
2413 $LINK_MAP->insert ($exit->clone, 20, 19);
2414 $LINK_MAP->insert ($exit->clone, 20, 21);
2415 $LINK_MAP->insert ($exit->clone, 21, 19);
2416 $LINK_MAP->insert ($exit->clone, 21, 20);
2417 $LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419 $exit->destroy;
2420 });
2421
2422 $LINK_MAP->{deny_save} = 1;
2423 $LINK_MAP->{deny_reset} = 1;
2424
2425 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426} 3933}
2427 3934
2428register_command "reload" => sub { 3935register_command "reload" => sub {
2429 my ($who, $arg) = @_; 3936 my ($who, $arg) = @_;
2430 3937
2431 if ($who->flag (FLAG_WIZ)) { 3938 if ($who->flag (FLAG_WIZ)) {
2432 $who->message ("start of reload.");
2433 reload;
2434 $who->message ("end of reload."); 3939 $who->message ("reloading server.");
3940 async {
3941 $Coro::current->{desc} = "perl_reload";
3942 reload_perl;
3943 };
2435 } 3944 }
2436}; 3945};
2437 3946
2438unshift @INC, $LIBDIR; 3947unshift @INC, $LIBDIR;
2439 3948
2440$TICK_WATCHER = Event->timer ( 3949my $bug_warning = 0;
2441 reentrant => 0, 3950
2442 prio => 0, 3951our @WAIT_FOR_TICK;
2443 at => $NEXT_TICK || $TICK, 3952our @WAIT_FOR_TICK_BEGIN;
2444 data => WF_AUTOCANCEL, 3953
2445 cb => sub { 3954sub wait_for_tick {
3955 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3956
3957 my $signal = new Coro::Signal;
3958 push @WAIT_FOR_TICK, $signal;
3959 $signal->wait;
3960}
3961
3962sub wait_for_tick_begin {
3963 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3964
3965 my $signal = new Coro::Signal;
3966 push @WAIT_FOR_TICK_BEGIN, $signal;
3967 $signal->wait;
3968}
3969
3970sub tick {
3971 if ($Coro::current != $Coro::main) {
3972 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3973 unless ++$bug_warning > 10;
3974 return;
3975 }
3976
2446 cf::server_tick; # one server iteration 3977 cf::server_tick; # one server iteration
2447 $RUNTIME += $TICK;
2448 $NEXT_TICK += $TICK;
2449 3978
2450 $WAIT_FOR_TICK->broadcast; 3979 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2451 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2452 3980
2453 # if we are delayed by four ticks or more, skip them all 3981 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2454 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3982 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2455 3983 Coro::async_pool {
2456 $TICK_WATCHER->at ($NEXT_TICK); 3984 $Coro::current->{desc} = "runtime saver";
2457 $TICK_WATCHER->start;
2458 },
2459);
2460
2461IO::AIO::max_poll_time $TICK * 0.2;
2462
2463Event->io (
2464 fd => IO::AIO::poll_fileno,
2465 poll => 'r',
2466 prio => 5,
2467 data => WF_AUTOCANCEL,
2468 cb => \&IO::AIO::poll_cb,
2469);
2470
2471Event->timer (
2472 data => WF_AUTOCANCEL,
2473 after => 0,
2474 interval => 10,
2475 cb => sub {
2476 (Coro::unblock_sub {
2477 write_runtime 3985 write_runtime_sync
2478 or warn "ERROR: unable to write runtime file: $!"; 3986 or warn "ERROR: unable to write runtime file: $!";
2479 })->(); 3987 };
2480 }, 3988 }
2481); 3989
3990 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3991 $sig->send;
3992 }
3993 while (my $sig = shift @WAIT_FOR_TICK) {
3994 $sig->send;
3995 }
3996
3997 $LOAD = ($NOW - $TICK_START) / $TICK;
3998 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3999
4000 if (0) {
4001 if ($NEXT_TICK) {
4002 my $jitter = $TICK_START - $NEXT_TICK;
4003 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4004 warn "jitter $JITTER\n";#d#
4005 }
4006 }
4007}
4008
4009{
4010 # configure BDB
4011
4012 BDB::min_parallel 16;
4013 BDB::max_poll_reqs $TICK * 0.1;
4014 $AnyEvent::BDB::WATCHER->priority (1);
4015
4016 unless ($DB_ENV) {
4017 $DB_ENV = BDB::db_env_create;
4018 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4019 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4020 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4021 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4022 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4023
4024 cf::sync_job {
4025 eval {
4026 BDB::db_env_open
4027 $DB_ENV,
4028 $BDBDIR,
4029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4031 0666;
4032
4033 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4034 };
4035
4036 cf::cleanup "db_env_open(db): $@" if $@;
4037 };
4038 }
4039
4040 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4041 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4042 };
4043 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4044 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4045 };
4046 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4047 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4048 };
4049}
4050
4051{
4052 # configure IO::AIO
4053
4054 IO::AIO::min_parallel 8;
4055 IO::AIO::max_poll_time $TICK * 0.1;
4056 undef $AnyEvent::AIO::WATCHER;
4057}
4058
4059my $_log_backtrace;
4060
4061sub _log_backtrace {
4062 my ($msg, @addr) = @_;
4063
4064 $msg =~ s/\n//;
4065
4066 # limit the # of concurrent backtraces
4067 if ($_log_backtrace < 2) {
4068 ++$_log_backtrace;
4069 my $perl_bt = Carp::longmess $msg;
4070 async {
4071 $Coro::current->{desc} = "abt $msg";
4072
4073 my @bt = fork_call {
4074 @addr = map { sprintf "%x", $_ } @addr;
4075 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4076 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4077 or die "addr2line: $!";
4078
4079 my @funcs;
4080 my @res = <$fh>;
4081 chomp for @res;
4082 while (@res) {
4083 my ($func, $line) = splice @res, 0, 2, ();
4084 push @funcs, "[$func] $line";
4085 }
4086
4087 @funcs
4088 };
4089
4090 LOG llevInfo, "[ABT] $perl_bt\n";
4091 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4092 LOG llevInfo, "[ABT] $_\n" for @bt;
4093 --$_log_backtrace;
4094 };
4095 } else {
4096 LOG llevInfo, "[ABT] $msg\n";
4097 LOG llevInfo, "[ABT] [suppressed]\n";
4098 }
4099}
4100
4101# load additional modules
4102require "cf/$_.pm" for @EXTRA_MODULES;
4103cf::_connect_to_perl_2;
2482 4104
2483END { cf::emergency_save } 4105END { cf::emergency_save }
2484 4106
24851 41071
2486 4108

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