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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010,2011 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
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
12 36
37use Guard ();
13use Coro 3.5 (); 38use Coro ();
39use Coro::State;
40use Coro::Handle;
41use Coro::EV;
14use Coro::Event; 42use Coro::AnyEvent;
15use Coro::Timer; 43use Coro::Timer;
16use Coro::Signal; 44use Coro::Signal;
17use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
18use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
50use Coro::Storable;
51use Coro::Util ();
19 52
53use JSON::XS 2.01 ();
54use BDB ();
20use Data::Dumper; 55use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 56use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 57use YAML::XS ();
58use IO::AIO ();
25use Time::HiRes; 59use Time::HiRes;
60use Compress::LZF;
61use Digest::MD5 ();
26 62
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 63AnyEvent::detect;
64
65# configure various modules to our taste
66#
67$Storable::canonical = 1; # reduce rsync transfers
68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
75
76# strictly for debugging
77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 78
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 80
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 81our @ORIG_INC;
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98
49our $AIO_POLL_WATCHER; 99our $DATADIR = datadir;
50our $WRITE_RUNTIME_WATCHER; 100our $LIBDIR = "$DATADIR/ext";
101our $PODDIR = "$DATADIR/pod";
102our $MAPDIR = "$DATADIR/" . mapdir;
103
104our $LOCALDIR = localdir;
105our $TMPDIR = "$LOCALDIR/" . tmpdir;
106our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
107our $PLAYERDIR = "$LOCALDIR/" . playerdir;
108our $RANDOMDIR = "$LOCALDIR/random";
109our $BDBDIR = "$LOCALDIR/db";
110our $PIDFILE = "$LOCALDIR/pid";
111our $RUNTIMEFILE = "$LOCALDIR/runtime";
112
113our %RESOURCE; # unused
114
115our $OUTPUT_RATE_MIN = 3000;
116our $OUTPUT_RATE_MAX = 1000000;
117
118our $MAX_LINKS = 32; # how many chained exits to follow
119our $VERBOSE_IO = 1;
120
121our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
122our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 123our $NEXT_TICK;
52our $NOW; 124our $USE_FSYNC = 1; # use fsync to write maps - default on
125
126our $BDB_DEADLOCK_WATCHER;
127our $BDB_CHECKPOINT_WATCHER;
128our $BDB_TRICKLE_WATCHER;
129our $DB_ENV;
130
131our @EXTRA_MODULES = qw(pod match mapscript incloader);
53 132
54our %CFG; 133our %CFG;
55 134
56our $UPTIME; $UPTIME ||= time; 135our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 136our $RUNTIME;
137our $NOW;
58 138
59our %PLAYER; # all users 139our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 140our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 141our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 142
67# used to convert map paths into valid unix filenames by replacing / by ∕ 143# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 144our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 145
146our $LOAD; # a number between 0 (idle) and 1 (too many objects)
147our $LOADAVG; # same thing, but with alpha-smoothing
148our $JITTER; # average jitter
149our $TICK_START; # for load detecting purposes
150
151our @POST_INIT;
152
153our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
154our $REALLY_UNLOOP; # never set to true, please :)
155
70binmode STDOUT; 156binmode STDOUT;
71binmode STDERR; 157binmode STDERR;
72 158
73# read virtual server time, if available 159# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 160unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 161 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 162 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 163 $RUNTIME = <$fh> + 0.;
78} 164}
79 165
80mkdir cf::localdir; 166eval "sub TICK() { $TICK } 1" or die;
81mkdir cf::localdir . "/" . cf::playerdir; 167
82mkdir cf::localdir . "/" . cf::tmpdir; 168mkdir $_
83mkdir cf::localdir . "/" . cf::uniquedir; 169 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84mkdir $RANDOM_MAPS;
85 170
86our $EMERGENCY_POSITION; 171our $EMERGENCY_POSITION;
87 172
88sub cf::map::normalise; 173sub cf::map::normalise;
174
175sub in_main() {
176 $Coro::current == $Coro::main
177}
178
179#############################################################################
180
181%REFLECT = ();
182for (@REFLECT) {
183 my $reflect = JSON::XS::decode_json $_;
184 $REFLECT{$reflect->{class}} = $reflect;
185}
186
187# this is decidedly evil
188$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89 189
90############################################################################# 190#############################################################################
91 191
92=head2 GLOBAL VARIABLES 192=head2 GLOBAL VARIABLES
93 193
… …
100=item $cf::RUNTIME 200=item $cf::RUNTIME
101 201
102The time this server has run, starts at 0 and is increased by $cf::TICK on 202The time this server has run, starts at 0 and is increased by $cf::TICK on
103every server tick. 203every server tick.
104 204
105=item $cf::LIBDIR 205=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
206$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
207$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106 208
107The perl library directory, where extensions and cf-specific modules can 209Various directories - "/etc", read-only install directory, perl-library
108be found. It will be added to C<@INC> automatically. 210directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
211unique-items directory, player file directory, random maps directory and
212database environment.
109 213
110=item $cf::NOW 214=item $cf::NOW
111 215
112The time of the last (current) server tick. 216The time of the last (current) server tick.
113 217
114=item $cf::TICK 218=item $cf::TICK
115 219
116The interval between server ticks, in seconds. 220The interval between server ticks, in seconds.
117 221
222=item $cf::LOADAVG
223
224The current CPU load on the server (alpha-smoothed), as a value between 0
225(none) and 1 (overloaded), indicating how much time is spent on processing
226objects per tick. Healthy values are < 0.5.
227
228=item $cf::LOAD
229
230The raw value load value from the last tick.
231
118=item %cf::CFG 232=item %cf::CFG
119 233
120Configuration for the server, loaded from C</etc/crossfire/config>, or 234Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121from wherever your confdir points to. 235from wherever your confdir points to.
122 236
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 237=item cf::wait_for_tick, cf::wait_for_tick_begin
124 238
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 239These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 240returns directly I<after> the tick processing (and consequently, can only wake one thread
127processing has been done. Call C<< ->wait >> on them to maximise the 241per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick. 242
243=cut
244
245sub wait_for_tick();
246sub wait_for_tick_begin();
247
248=item @cf::INVOKE_RESULTS
249
250This array contains the results of the last C<invoke ()> call. When
251C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
252that call.
253
254=item %cf::REFLECT
255
256Contains, for each (C++) class name, a hash reference with information
257about object members (methods, scalars, arrays and flags) and other
258metadata, which is useful for introspection.
129 259
130=back 260=back
131 261
132=cut 262=cut
133 263
134BEGIN { 264sub error(@) { LOG llevError, join "", @_ }
135 *CORE::GLOBAL::warn = sub { 265sub warn (@) { LOG llevWarn , join "", @_ }
266sub info (@) { LOG llevInfo , join "", @_ }
267sub debug(@) { LOG llevDebug, join "", @_ }
268sub trace(@) { LOG llevTrace, join "", @_ }
269
270$Coro::State::WARNHOOK = sub {
136 my $msg = join "", @_; 271 my $msg = join "", @_;
137 utf8::encode $msg;
138 272
139 $msg .= "\n" 273 $msg .= "\n"
140 unless $msg =~ /\n$/; 274 unless $msg =~ /\n$/;
141 275
276 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
277
142 LOG llevError, $msg; 278 LOG llevWarn, $msg;
143 }; 279};
144} 280
281$Coro::State::DIEHOOK = sub {
282 return unless $^S eq 0; # "eq", not "=="
283
284 error Carp::longmess $_[0];
285
286 if (in_main) {#d#
287 error "DIEHOOK called in main context, Coro bug?\n";#d#
288 return;#d#
289 }#d#
290
291 # kill coroutine otherwise
292 Coro::terminate
293};
145 294
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 295@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 296@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 297@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 298@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 299@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
300@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 301@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152 302
153# we bless all objects into (empty) derived classes to force a method lookup 303# we bless all objects into (empty) derived classes to force a method lookup
154# within the Safe compartment. 304# within the Safe compartment.
155for my $pkg (qw( 305for my $pkg (qw(
156 cf::global cf::attachable 306 cf::global cf::attachable
157 cf::object cf::object::player 307 cf::object cf::object::player
158 cf::client cf::player 308 cf::client cf::player
159 cf::arch cf::living 309 cf::arch cf::living
310 cf::map cf::mapspace
160 cf::map cf::party cf::region 311 cf::party cf::region
161)) { 312)) {
162 no strict 'refs';
163 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 313 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164} 314}
165 315
166$Event::DIED = sub { 316$EV::DIED = sub {
167 warn "error in event callback: @_"; 317 Carp::cluck "error in event callback: @_";
168}; 318};
319
320#############################################################################
321
322sub fork_call(&@);
323sub get_slot($;$$);
324
325#############################################################################
169 326
170=head2 UTILITY FUNCTIONS 327=head2 UTILITY FUNCTIONS
171 328
172=over 4 329=over 4
173 330
… …
192 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 349 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193 $d 350 $d
194 } || "[unable to dump $_[0]: '$@']"; 351 } || "[unable to dump $_[0]: '$@']";
195} 352}
196 353
197use JSON::Syck (); # TODO# replace by JSON::PC once working 354=item $scalar = load_file $path
198 355
356Loads the given file from path and returns its contents. Croaks on error
357and can block.
358
359=cut
360
361sub load_file($) {
362 0 <= aio_load $_[0], my $data
363 or Carp::croak "$_[0]: $!";
364
365 $data
366}
367
199=item $ref = cf::from_json $json 368=item $ref = cf::decode_json $json
200 369
201Converts a JSON string into the corresponding perl data structure. 370Converts a JSON string into the corresponding perl data structure.
202 371
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 372=item $json = cf::encode_json $ref
211 373
212Converts a perl data structure into its JSON representation. 374Converts a perl data structure into its JSON representation.
213 375
214=cut 376=cut
215 377
216sub to_json($) { 378our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 379
218 JSON::Syck::Dump $_[0] 380sub encode_json($) { $json_coder->encode ($_[0]) }
381sub decode_json($) { $json_coder->decode ($_[0]) }
382
383=item $ref = cf::decode_storable $scalar
384
385Same as Coro::Storable::thaw, so blocks.
386
387=cut
388
389BEGIN { *decode_storable = \&Coro::Storable::thaw }
390
391=item $ref = cf::decode_yaml $scalar
392
393Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
394
395=cut
396
397sub decode_yaml($) {
398 fork_call { YAML::XS::Load $_[0] } @_
399}
400
401=item $scalar = cf::unlzf $scalar
402
403Same as Compress::LZF::compress, but takes server ticks into account, so
404blocks.
405
406=cut
407
408sub unlzf($) {
409 # we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
410 cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
411 Compress::LZF::decompress $_[0]
412}
413
414=item cf::post_init { BLOCK }
415
416Execute the given codeblock, I<after> all extensions have been (re-)loaded,
417but I<before> the server starts ticking again.
418
419The codeblock will have a single boolean argument to indicate whether this
420is a reload or not.
421
422=cut
423
424sub post_init(&) {
425 push @POST_INIT, shift;
426}
427
428sub _post_init {
429 trace "running post_init jobs";
430
431 # run them in parallel...
432
433 my @join;
434
435 while () {
436 push @join, map &Coro::async ($_, 0), @POST_INIT;
437 @POST_INIT = ();
438
439 @join or last;
440
441 (pop @join)->join;
442 }
219} 443}
220 444
221=item cf::lock_wait $string 445=item cf::lock_wait $string
222 446
223Wait until the given lock is available. See cf::lock_acquire. 447Wait until the given lock is available. See cf::lock_acquire.
224 448
225=item my $lock = cf::lock_acquire $string 449=item my $lock = cf::lock_acquire $string
226 450
227Wait until the given lock is available and then acquires it and returns 451Wait until the given lock is available and then acquires it and returns
228a Coro::guard object. If the guard object gets destroyed (goes out of scope, 452a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229for example when the coroutine gets canceled), the lock is automatically 453for example when the coroutine gets canceled), the lock is automatically
230returned. 454returned.
231 455
456Locks are *not* recursive, locking from the same coro twice results in a
457deadlocked coro.
458
232Lock names should begin with a unique identifier (for example, cf::map::find 459Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 460uses map_find and cf::map::load uses map_load).
234 461
235=cut 462=item $locked = cf::lock_active $string
236 463
237our %LOCK; 464Return true if the lock is currently active, i.e. somebody has locked it.
465
466=cut
467
468our $LOCKS = new Coro::SemaphoreSet;
238 469
239sub lock_wait($) { 470sub lock_wait($) {
240 my ($key) = @_; 471 $LOCKS->wait ($_[0]);
241
242 # wait for lock, if any
243 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule;
246 }
247} 472}
248 473
249sub lock_acquire($) { 474sub lock_acquire($) {
250 my ($key) = @_; 475 $LOCKS->guard ($_[0])
476}
251 477
252 # wait, to be sure we are not locked 478sub lock_active($) {
253 lock_wait $key; 479 $LOCKS->count ($_[0]) < 1
254
255 $LOCK{$key} = [];
256
257 Coro::guard {
258 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} };
260 }
261} 480}
262 481
263sub freeze_mainloop { 482sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 483 tick_inhibit_inc;
265 484
266 my $guard = Coro::guard { 485 &Guard::guard (\&tick_inhibit_dec);
267 $TICK_WATCHER->start; 486}
268 $WRITE_RUNTIME_WATCHER->start; 487
488=item cf::periodic $interval, $cb
489
490Like EV::periodic, but randomly selects a starting point so that the actions
491get spread over time.
492
493=cut
494
495sub periodic($$) {
496 my ($interval, $cb) = @_;
497
498 my $start = rand List::Util::min 180, $interval;
499
500 EV::periodic $start, $interval, 0, $cb
501}
502
503=item cf::get_slot $time[, $priority[, $name]]
504
505Allocate $time seconds of blocking CPU time at priority C<$priority>
506(default: 0): This call blocks and returns only when you have at least
507C<$time> seconds of cpu time till the next tick. The slot is only valid
508till the next cede.
509
510Background jobs should use a priority les than zero, interactive jobs
511should use 100 or more.
512
513The optional C<$name> can be used to identify the job to run. It might be
514used for statistical purposes and should identify the same time-class.
515
516Useful for short background jobs.
517
518=cut
519
520our @SLOT_QUEUE;
521our $SLOT_QUEUE;
522our $SLOT_DECAY = 0.9;
523
524$SLOT_QUEUE->cancel if $SLOT_QUEUE;
525$SLOT_QUEUE = Coro::async {
526 $Coro::current->desc ("timeslot manager");
527
528 my $signal = new Coro::Signal;
529 my $busy;
530
531 while () {
532 next_job:
533
534 my $avail = cf::till_tick;
535
536 for (0 .. $#SLOT_QUEUE) {
537 if ($SLOT_QUEUE[$_][0] <= $avail) {
538 $busy = 0;
539 my $job = splice @SLOT_QUEUE, $_, 1, ();
540 $job->[2]->send;
541 Coro::cede;
542 goto next_job;
543 } else {
544 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
545 }
546 }
547
548 if (@SLOT_QUEUE) {
549 # we do not use wait_for_tick() as it returns immediately when tick is inactive
550 push @cf::WAIT_FOR_TICK, $signal;
551 $signal->wait;
552 } else {
553 $busy = 0;
554 Coro::schedule;
555 }
269 }; 556 }
270 $WRITE_RUNTIME_WATCHER->stop; 557};
271 $TICK_WATCHER->stop; 558
272 $guard 559sub get_slot($;$$) {
560 return if tick_inhibit || $Coro::current == $Coro::main;
561
562 my ($time, $pri, $name) = @_;
563
564 $time = clamp $time, 0.01, $TICK * .6;
565
566 my $sig = new Coro::Signal;
567
568 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
569 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
570 $SLOT_QUEUE->ready;
571 $sig->wait;
273} 572}
274 573
275=item cf::async { BLOCK } 574=item cf::async { BLOCK }
276 575
277Currently the same as Coro::async_pool, meaning you cannot use 576Currently the same as Coro::async_pool, meaning you cannot use
… …
282 581
283BEGIN { *async = \&Coro::async_pool } 582BEGIN { *async = \&Coro::async_pool }
284 583
285=item cf::sync_job { BLOCK } 584=item cf::sync_job { BLOCK }
286 585
287The design of crossfire+ requires that the main coro ($Coro::main) is 586The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 587is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 588partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
589acceptable.
290 590
291If it must be done, put the blocking parts into C<sync_job>. This will run 591If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 592the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 593server will be frozen during this time, so the block should either finish
294fast or be very important. 594fast or be very important.
… …
296=cut 596=cut
297 597
298sub sync_job(&) { 598sub sync_job(&) {
299 my ($job) = @_; 599 my ($job) = @_;
300 600
301 if ($Coro::current == $Coro::main) { 601 if (in_main) {
602 my $time = AE::time;
603
302 # this is the main coro, too bad, we have to block 604 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 605 # till the operation succeeds, freezing the server :/
304 606
305 # TODO: use suspend/resume instead 607 #LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 608
307 my $freeze_guard = freeze_mainloop; 609 my $freeze_guard = freeze_mainloop;
308 610
309 my $busy = 1; 611 my $busy = 1;
310 my @res; 612 my @res;
311 613
312 (async { 614 (async {
615 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 616 @res = eval { $job->() };
314 warn $@ if $@; 617 error $@ if $@;
315 undef $busy; 618 undef $busy;
316 })->prio (Coro::PRIO_MAX); 619 })->prio (Coro::PRIO_MAX);
317 620
318 while ($busy) { 621 while ($busy) {
319 Coro::cede or Event::one_event; 622 if (Coro::nready) {
623 Coro::cede_notself;
624 } else {
625 EV::loop EV::LOOP_ONESHOT;
320 } 626 }
627 }
628
629 my $time = AE::time - $time;
630
631 $TICK_START += $time; # do not account sync jobs to server load
321 632
322 wantarray ? @res : $res[0] 633 wantarray ? @res : $res[0]
323 } else { 634 } else {
324 # we are in another coroutine, how wonderful, everything just works 635 # we are in another coroutine, how wonderful, everything just works
325 636
… …
345 $EXT_CORO{$coro+0} = $coro; 656 $EXT_CORO{$coro+0} = $coro;
346 657
347 $coro 658 $coro
348} 659}
349 660
350sub write_runtime { 661=item fork_call { }, @args
351 my $runtime = cf::localdir . "/runtime";
352 662
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 663Executes the given code block with the given arguments in a seperate
354 or return; 664process, returning the results. Everything must be serialisable with
665Coro::Storable. May, of course, block. Note that the executed sub may
666never block itself or use any form of event handling.
355 667
356 my $value = $cf::RUNTIME + 90 + 10; 668=cut
357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359 669
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 670sub post_fork {
361 and return; 671 reset_signals;
672}
362 673
363 aio_fsync $fh 674sub fork_call(&@) {
364 and return; 675 my ($cb, @args) = @_;
365 676
366 close $fh 677 # we seemingly have to make a local copy of the whole thing,
367 or return; 678 # otherwise perl prematurely frees the stuff :/
679 # TODO: investigate and fix (likely this will be rather laborious)
368 680
369 aio_rename "$runtime~", $runtime 681 my @res = Coro::Util::fork_eval {
370 and return; 682 cf::post_fork;
683 &$cb
684 } @args;
371 685
686 wantarray ? @res : $res[-1]
687}
688
689sub objinfo {
372 1 690 (
691 "counter value" => cf::object::object_count,
692 "objects created" => cf::object::create_count,
693 "objects destroyed" => cf::object::destroy_count,
694 "freelist size" => cf::object::free_count,
695 "allocated objects" => cf::object::objects_size,
696 "active objects" => cf::object::actives_size,
697 )
698}
699
700=item $coin = coin_from_name $name
701
702=cut
703
704our %coin_alias = (
705 "silver" => "silvercoin",
706 "silvercoin" => "silvercoin",
707 "silvercoins" => "silvercoin",
708 "gold" => "goldcoin",
709 "goldcoin" => "goldcoin",
710 "goldcoins" => "goldcoin",
711 "platinum" => "platinacoin",
712 "platinumcoin" => "platinacoin",
713 "platinumcoins" => "platinacoin",
714 "platina" => "platinacoin",
715 "platinacoin" => "platinacoin",
716 "platinacoins" => "platinacoin",
717 "royalty" => "royalty",
718 "royalties" => "royalty",
719);
720
721sub coin_from_name($) {
722 $coin_alias{$_[0]}
723 ? cf::arch::find $coin_alias{$_[0]}
724 : undef
725}
726
727=item $value = cf::db_get $family => $key
728
729Returns a single value from the environment database.
730
731=item cf::db_put $family => $key => $value
732
733Stores the given C<$value> in the family. It can currently store binary
734data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
735
736=item $db = cf::db_table "name"
737
738Create and/or open a new database table. The string must not be "db" and must be unique
739within each server.
740
741=cut
742
743sub db_table($) {
744 cf::error "db_get called from main context"
745 if $Coro::current == $Coro::main;
746
747 my ($name) = @_;
748 my $db = BDB::db_create $DB_ENV;
749
750 eval {
751 $db->set_flags (BDB::CHKSUM);
752
753 utf8::encode $name;
754 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
755 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
756 cf::cleanup "db_open(db): $!" if $!;
757 };
758 cf::cleanup "db_open(db): $@" if $@;
759
760 $db
761}
762
763our $DB;
764
765sub db_init {
766 $DB ||= db_table "db";
767}
768
769sub db_get($$) {
770 my $key = "$_[0]/$_[1]";
771
772 cf::error "db_get called from main context"
773 if $Coro::current == $Coro::main;
774
775 BDB::db_get $DB, undef, $key, my $data;
776
777 $! ? ()
778 : $data
779}
780
781sub db_put($$$) {
782 BDB::dbreq_pri 4;
783 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
784}
785
786=item cf::cache $id => [$paths...], $processversion => $process
787
788Generic caching function that returns the value of the resource $id,
789caching and regenerating as required.
790
791This function can block.
792
793=cut
794
795sub cache {
796 my ($id, $src, $processversion, $process) = @_;
797
798 my $meta =
799 join "\x00",
800 $processversion,
801 map {
802 aio_stat $_
803 and Carp::croak "$_: $!";
804
805 ($_, (stat _)[7,9])
806 } @$src;
807
808 my $dbmeta = db_get cache => "$id/meta";
809 if ($dbmeta ne $meta) {
810 # changed, we may need to process
811
812 my @data;
813 my $md5;
814
815 for (0 .. $#$src) {
816 $data[$_] = load_file $src->[$_];
817 }
818
819 # if processing is expensive, check
820 # checksum first
821 if (1) {
822 $md5 =
823 join "\x00",
824 $processversion,
825 map {
826 cf::cede_to_tick;
827 ($src->[$_], Digest::MD5::md5_hex $data[$_])
828 } 0.. $#$src;
829
830
831 my $dbmd5 = db_get cache => "$id/md5";
832 if ($dbmd5 eq $md5) {
833 db_put cache => "$id/meta", $meta;
834
835 return db_get cache => "$id/data";
836 }
837 }
838
839 my $t1 = Time::HiRes::time;
840 my $data = $process->(\@data);
841 my $t2 = Time::HiRes::time;
842
843 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
844
845 db_put cache => "$id/data", $data;
846 db_put cache => "$id/md5" , $md5;
847 db_put cache => "$id/meta", $meta;
848
849 return $data;
850 }
851
852 db_get cache => "$id/data"
853}
854
855=item cf::datalog type => key => value, ...
856
857Log a datalog packet of the given type with the given key-value pairs.
858
859=cut
860
861sub datalog($@) {
862 my ($type, %kv) = @_;
863 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 864}
374 865
375=back 866=back
376 867
377=cut 868=cut
378 869
379############################################################################# 870#############################################################################
380 871
381=head2 ATTACHABLE OBJECTS 872=head2 ATTACHABLE OBJECTS
382 873
383Many objects in crossfire are so-called attachable objects. That means you can 874Many objects in deliantra are so-called attachable objects. That means you can
384attach callbacks/event handlers (a collection of which is called an "attachment") 875attach callbacks/event handlers (a collection of which is called an "attachment")
385to it. All such attachable objects support the following methods. 876to it. All such attachable objects support the following methods.
386 877
387In the following description, CLASS can be any of C<global>, C<object> 878In the following description, CLASS can be any of C<global>, C<object>
388C<player>, C<client> or C<map> (i.e. the attachable objects in 879C<player>, C<client> or C<map> (i.e. the attachable objects in
389crossfire+). 880Deliantra).
390 881
391=over 4 882=over 4
392 883
393=item $attachable->attach ($attachment, key => $value...) 884=item $attachable->attach ($attachment, key => $value...)
394 885
… …
438=item cf::CLASS::attachment $name, ... 929=item cf::CLASS::attachment $name, ...
439 930
440Register an attachment by C<$name> through which attachable objects of the 931Register an attachment by C<$name> through which attachable objects of the
441given CLASS can refer to this attachment. 932given CLASS can refer to this attachment.
442 933
443Some classes such as crossfire maps and objects can specify attachments 934Some classes such as deliantra maps and objects can specify attachments
444that are attached at load/instantiate time, thus the need for a name. 935that are attached at load/instantiate time, thus the need for a name.
445 936
446These calls expect any number of the following handler/hook descriptions: 937These calls expect any number of the following handler/hook descriptions:
447 938
448=over 4 939=over 4
… …
557 $registry = $CB_TYPE[$object_type] ||= []; 1048 $registry = $CB_TYPE[$object_type] ||= [];
558 1049
559 } elsif ($type eq "subtype") { 1050 } elsif ($type eq "subtype") {
560 defined $object_type or Carp::croak "subtype specified without type"; 1051 defined $object_type or Carp::croak "subtype specified without type";
561 my $object_subtype = shift @arg; 1052 my $object_subtype = shift @arg;
562 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 1053 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563 1054
564 } elsif ($type eq "package") { 1055 } elsif ($type eq "package") {
565 my $pkg = shift @arg; 1056 my $pkg = shift @arg;
566 1057
567 while (my ($name, $id) = each %cb_id) { 1058 while (my ($name, $id) = each %cb_id) {
… …
572 1063
573 } elsif (exists $cb_id{$type}) { 1064 } elsif (exists $cb_id{$type}) {
574 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1065 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575 1066
576 } elsif (ref $type) { 1067 } elsif (ref $type) {
577 warn "attaching objects not supported, ignoring.\n"; 1068 error "attaching objects not supported, ignoring.\n";
578 1069
579 } else { 1070 } else {
580 shift @arg; 1071 shift @arg;
581 warn "attach argument '$type' not supported, ignoring.\n"; 1072 error "attach argument '$type' not supported, ignoring.\n";
582 } 1073 }
583 } 1074 }
584} 1075}
585 1076
586sub _object_attach { 1077sub _object_attach {
… …
596 _attach $registry, $klass, @attach; 1087 _attach $registry, $klass, @attach;
597 } 1088 }
598 1089
599 $obj->{$name} = \%arg; 1090 $obj->{$name} = \%arg;
600 } else { 1091 } else {
601 warn "object uses attachment '$name' that is not available, postponing.\n"; 1092 info "object uses attachment '$name' which is not available, postponing.\n";
602 } 1093 }
603 1094
604 $obj->{_attachment}{$name} = undef; 1095 $obj->{_attachment}{$name} = undef;
605} 1096}
606 1097
… …
608 if (ref $_[0]) { 1099 if (ref $_[0]) {
609 _object_attach @_; 1100 _object_attach @_;
610 } else { 1101 } else {
611 _attach shift->_attach_registry, @_; 1102 _attach shift->_attach_registry, @_;
612 } 1103 }
1104 _recalc_want;
613}; 1105};
614 1106
615# all those should be optimised 1107# all those should be optimised
616sub cf::attachable::detach { 1108sub cf::attachable::detach {
617 my ($obj, $name) = @_; 1109 my ($obj, $name) = @_;
… …
620 delete $obj->{_attachment}{$name}; 1112 delete $obj->{_attachment}{$name};
621 reattach ($obj); 1113 reattach ($obj);
622 } else { 1114 } else {
623 Carp::croak "cannot, currently, detach class attachments"; 1115 Carp::croak "cannot, currently, detach class attachments";
624 } 1116 }
1117 _recalc_want;
625}; 1118};
626 1119
627sub cf::attachable::attached { 1120sub cf::attachable::attached {
628 my ($obj, $name) = @_; 1121 my ($obj, $name) = @_;
629 1122
… …
644 "; 1137 ";
645 die if $@; 1138 die if $@;
646} 1139}
647 1140
648our $override; 1141our $override;
649our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1142our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650 1143
651sub override { 1144sub override {
652 $override = 1; 1145 $override = 1;
653 @invoke_results = (); 1146 @INVOKE_RESULTS = (@_);
654} 1147}
655 1148
656sub do_invoke { 1149sub do_invoke {
657 my $event = shift; 1150 my $event = shift;
658 my $callbacks = shift; 1151 my $callbacks = shift;
659 1152
660 @invoke_results = (); 1153 @INVOKE_RESULTS = ();
661 1154
662 local $override; 1155 local $override;
663 1156
664 for (@$callbacks) { 1157 for (@$callbacks) {
665 eval { &{$_->[1]} }; 1158 eval { &{$_->[1]} };
666 1159
667 if ($@) { 1160 if ($@) {
668 warn "$@";
669 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1161 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670 override; 1162 override;
671 } 1163 }
672 1164
673 return 1 if $override; 1165 return 1 if $override;
674 } 1166 }
675 1167
676 0 1168 0
677} 1169}
678 1170
679=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1171=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680 1172
681=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1173=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682 1174
683Generate an object-specific event with the given arguments. 1175Generate an object-specific event with the given arguments.
684 1176
685This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1177This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686removed in future versions), and there is no public API to access override 1178removed in future versions), and there is no public API to access override
687results (if you must, access C<@cf::invoke_results> directly). 1179results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688 1180
689=back 1181=back
690 1182
691=cut 1183=cut
692 1184
693############################################################################# 1185#############################################################################
694# object support 1186# object support
1187
1188sub _object_equal($$);
1189sub _object_equal($$) {
1190 my ($a, $b) = @_;
1191
1192 return 0 unless (ref $a) eq (ref $b);
1193
1194 if ("HASH" eq ref $a) {
1195 my @ka = keys %$a;
1196 my @kb = keys %$b;
1197
1198 return 0 if @ka != @kb;
1199
1200 for (0 .. $#ka) {
1201 return 0 unless $ka[$_] eq $kb[$_];
1202 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1203 }
1204
1205 } elsif ("ARRAY" eq ref $a) {
1206
1207 return 0 if @$a != @$b;
1208
1209 for (0 .. $#$a) {
1210 return 0 unless _object_equal $a->[$_], $b->[$_];
1211 }
1212
1213 } elsif ($a ne $b) {
1214 return 0;
1215 }
1216
1217 1
1218}
1219
1220our $SLOW_MERGES;#d#
1221sub _can_merge {
1222 my ($ob1, $ob2) = @_;
1223
1224 ++$SLOW_MERGES;#d#
1225
1226 # we do the slow way here
1227 return _object_equal $ob1, $ob2
1228}
695 1229
696sub reattach { 1230sub reattach {
697 # basically do the same as instantiate, without calling instantiate 1231 # basically do the same as instantiate, without calling instantiate
698 my ($obj) = @_; 1232 my ($obj) = @_;
699 1233
1234 # no longer needed after getting rid of delete_package?
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1235 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701 1236
702 my $registry = $obj->registry; 1237 my $registry = $obj->registry;
703 1238
704 @$registry = (); 1239 @$registry = ();
705 1240
… …
710 for (@$attach) { 1245 for (@$attach) {
711 my ($klass, @attach) = @$_; 1246 my ($klass, @attach) = @$_;
712 _attach $registry, $klass, @attach; 1247 _attach $registry, $klass, @attach;
713 } 1248 }
714 } else { 1249 } else {
715 warn "object uses attachment '$name' that is not available, postponing.\n"; 1250 info "object uses attachment '$name' that is not available, postponing.\n";
716 } 1251 }
717 } 1252 }
718} 1253}
719 1254
720cf::attachable->attach ( 1255cf::attachable->attach (
721 prio => -1000000, 1256 prio => -1000000,
722 on_instantiate => sub { 1257 on_instantiate => sub {
723 my ($obj, $data) = @_; 1258 my ($obj, $data) = @_;
724 1259
725 $data = from_json $data; 1260 $data = decode_json $data;
726 1261
727 for (@$data) { 1262 for (@$data) {
728 my ($name, $args) = @$_; 1263 my ($name, $args) = @$_;
729 1264
730 $obj->attach ($name, %{$args || {} }); 1265 $obj->attach ($name, %{$args || {} });
… …
746sub object_freezer_save { 1281sub object_freezer_save {
747 my ($filename, $rdata, $objs) = @_; 1282 my ($filename, $rdata, $objs) = @_;
748 1283
749 sync_job { 1284 sync_job {
750 if (length $$rdata) { 1285 if (length $$rdata) {
1286 utf8::decode (my $decname = $filename);
751 warn sprintf "saving %s (%d,%d)\n", 1287 trace sprintf "saving %s (%d,%d)\n",
752 $filename, length $$rdata, scalar @$objs; 1288 $decname, length $$rdata, scalar @$objs
1289 if $VERBOSE_IO;
753 1290
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1291 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 1292 aio_chmod $fh, SAVE_MODE;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1293 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1294 if ($cf::USE_FSYNC) {
1295 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;
757 aio_fsync $fh; 1296 aio_fsync $fh;
1297 }
758 close $fh; 1298 aio_close $fh;
759 1299
760 if (@$objs) { 1300 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1301 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 1302 aio_chmod $fh, SAVE_MODE;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1303 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 1304 aio_write $fh, 0, (length $data), $data, 0;
1305 if ($cf::USE_FSYNC) {
1306 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;
765 aio_fsync $fh; 1307 aio_fsync $fh;
1308 }
766 close $fh; 1309 aio_close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 1310 aio_rename "$filename.pst~", "$filename.pst";
768 } 1311 }
769 } else { 1312 } else {
770 aio_unlink "$filename.pst"; 1313 aio_unlink "$filename.pst";
771 } 1314 }
772 1315
773 aio_rename "$filename~", $filename; 1316 aio_rename "$filename~", $filename;
1317
1318 $filename =~ s%/[^/]+$%%;
1319 aio_pathsync $filename if $cf::USE_FSYNC;
774 } else { 1320 } else {
775 warn "FATAL: $filename~: $!\n"; 1321 error "unable to save objects: $filename~: $!\n";
776 } 1322 }
777 } else { 1323 } else {
778 aio_unlink $filename; 1324 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 1325 aio_unlink "$filename.pst";
780 } 1326 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
787 } 1327 };
788} 1328}
789 1329
790sub object_freezer_as_string { 1330sub object_freezer_as_string {
791 my ($rdata, $objs) = @_; 1331 my ($rdata, $objs) = @_;
792 1332
… …
797 1337
798sub object_thawer_load { 1338sub object_thawer_load {
799 my ($filename) = @_; 1339 my ($filename) = @_;
800 1340
801 my ($data, $av); 1341 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
805 1342
806 (aio_load $filename, $data) >= 0 1343 (aio_load $filename, $data) >= 0
807 or return; 1344 or return;
808 1345
809 unless (aio_stat "$filename.pst") { 1346 unless (aio_stat "$filename.pst") {
810 (aio_load "$filename.pst", $av) >= 0 1347 (aio_load "$filename.pst", $av) >= 0
811 or return; 1348 or return;
1349
812 $av = eval { (Storable::thaw $av)->{objs} }; 1350 my $st = eval { Coro::Storable::thaw $av };
1351 $av = $st->{objs};
813 } 1352 }
814 1353
1354 utf8::decode (my $decname = $filename);
815 warn sprintf "loading %s (%d)\n", 1355 trace sprintf "loading %s (%d,%d)\n",
816 $filename, length $data, scalar @{$av || []};#d# 1356 $decname, length $data, scalar @{$av || []}
1357 if $VERBOSE_IO;
1358
817 return ($data, $av); 1359 ($data, $av)
818} 1360}
1361
1362=head2 COMMAND CALLBACKS
1363
1364=over 4
1365
1366=cut
819 1367
820############################################################################# 1368#############################################################################
821# command handling &c 1369# command handling &c
822 1370
823=item cf::register_command $name => \&callback($ob,$args); 1371=item cf::register_command $name => \&callback($ob,$args);
… …
836 push @{ $COMMAND{$name} }, [$caller, $cb]; 1384 push @{ $COMMAND{$name} }, [$caller, $cb];
837} 1385}
838 1386
839=item cf::register_extcmd $name => \&callback($pl,$packet); 1387=item cf::register_extcmd $name => \&callback($pl,$packet);
840 1388
841Register a callbackf ro execution when the client sends an extcmd packet. 1389Register a callback for execution when the client sends an (synchronous)
1390extcmd packet. Ext commands will be processed in the order they are
1391received by the server, like other user commands. The first argument is
1392the logged-in player. Ext commands can only be processed after a player
1393has logged in successfully.
842 1394
843If the callback returns something, it is sent back as if reply was being 1395If the callback returns something, it is sent back as if reply was being
844called. 1396called.
845 1397
1398=item cf::register_exticmd $name => \&callback($ns,$packet);
1399
1400Register a callback for execution when the client sends an (asynchronous)
1401exticmd packet. Exti commands are processed by the server as soon as they
1402are received, i.e. out of order w.r.t. other commands. The first argument
1403is a client socket. Exti commands can be received anytime, even before
1404log-in.
1405
1406If the callback returns something, it is sent back as if reply was being
1407called.
1408
846=cut 1409=cut
847 1410
848sub register_extcmd { 1411sub register_extcmd {
849 my ($name, $cb) = @_; 1412 my ($name, $cb) = @_;
850 1413
851 $EXTCMD{$name} = $cb; 1414 $EXTCMD{$name} = $cb;
852} 1415}
853 1416
1417sub register_exticmd {
1418 my ($name, $cb) = @_;
1419
1420 $EXTICMD{$name} = $cb;
1421}
1422
1423use File::Glob ();
1424
854cf::player->attach ( 1425cf::player->attach (
855 on_command => sub { 1426 on_unknown_command => sub {
856 my ($pl, $name, $params) = @_; 1427 my ($pl, $name, $params) = @_;
857 1428
858 my $cb = $COMMAND{$name} 1429 my $cb = $COMMAND{$name}
859 or return; 1430 or return;
860 1431
… …
865 cf::override; 1436 cf::override;
866 }, 1437 },
867 on_extcmd => sub { 1438 on_extcmd => sub {
868 my ($pl, $buf) = @_; 1439 my ($pl, $buf) = @_;
869 1440
870 my $msg = eval { from_json $buf }; 1441 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871 1442
872 if (ref $msg) { 1443 if (ref $msg) {
1444 my ($type, $reply, @payload) =
1445 "ARRAY" eq ref $msg
1446 ? @$msg
1447 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1448
1449 my @reply;
1450
873 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1451 if (my $cb = $EXTCMD{$type}) {
874 if (my %reply = $cb->($pl, $msg)) { 1452 @reply = $cb->($pl, @payload);
875 $pl->ext_reply ($msg->{msgid}, %reply);
876 }
877 } 1453 }
1454
1455 $pl->ext_reply ($reply, @reply)
1456 if $reply;
1457
878 } else { 1458 } else {
879 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1459 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880 } 1460 }
881 1461
882 cf::override; 1462 cf::override;
883 }, 1463 },
884); 1464);
885 1465
1466# "readahead" all extensions
886sub load_extension { 1467sub cache_extensions {
887 my ($path) = @_; 1468 my $grp = IO::AIO::aio_group;
888 1469
889 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1470 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890 my $base = $1; 1471 for (grep /\.ext$/, @{$_[0]}) {
891 my $pkg = $1; 1472 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892 $pkg =~ s/[^[:word:]]/_/g;
893 $pkg = "ext::$pkg";
894
895 warn "... loading '$path' into '$pkg'\n";
896
897 open my $fh, "<:utf8", $path
898 or die "$path: $!";
899
900 my $source =
901 "package $pkg; use strict; use utf8;\n"
902 . "#line 1 \"$path\"\n{\n"
903 . (do { local $/; <$fh> })
904 . "\n};\n1";
905
906 unless (eval $source) {
907 my $msg = $@ ? "$path: $@\n"
908 : "extension disabled.\n";
909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910 warn $@;
911 warn "mandatory extension failed to load, exiting.\n";
912 exit 1;
913 } 1473 }
914 die $@;
915 } 1474 };
916 1475
917 push @EXTS, $pkg; 1476 $grp
918} 1477}
919 1478
920sub load_extensions { 1479sub load_extensions {
1480 info "loading extensions...";
1481
1482 cf::sync_job {
1483 my %todo;
1484
921 for my $ext (<$LIBDIR/*.ext>) { 1485 for my $path (<$LIBDIR/*.ext>) {
922 next unless -r $ext; 1486 next unless -r $path;
923 eval { 1487
924 load_extension $ext; 1488 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1489 my $base = $1;
1490 my $pkg = $1;
1491 $pkg =~ s/[^[:word:]]/_/g;
1492 $pkg = "ext::$pkg";
1493
1494 open my $fh, "<:utf8", $path
1495 or die "$path: $!";
1496
1497 my $source = do { local $/; <$fh> };
1498
1499 my %ext = (
1500 path => $path,
1501 base => $base,
1502 pkg => $pkg,
1503 );
1504
1505 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1506 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1507
1508 $ext{source} =
1509 "package $pkg; use common::sense;\n"
1510 . "#line 1 \"$path\"\n{\n"
1511 . $source
1512 . "\n};\n1";
1513
1514 $todo{$base} = \%ext;
1515 }
1516
1517 my $pass = 0;
1518 my %done;
1519 while (%todo) {
1520 my $progress;
1521
1522 ++$pass;
1523
1524 ext:
1525 while (my ($k, $v) = each %todo) {
1526 for (split /,\s*/, $v->{meta}{depends}) {
1527 next ext
1528 unless exists $done{$_};
1529 }
1530
1531 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1532
1533 my $active = eval $v->{source};
1534
1535 if (length $@) {
1536 error "$v->{path}: $@\n";
1537
1538 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1539 if exists $v->{meta}{mandatory};
1540
1541 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1542 delete $todo{$k};
1543 } else {
1544 $done{$k} = delete $todo{$k};
1545 push @EXTS, $v->{pkg};
1546 $progress = 1;
1547
1548 info "$v->{base}: extension inactive.\n"
1549 unless $active;
1550 }
925 1 1551 }
926 } or warn "$ext not loaded: $@"; 1552
1553 unless ($progress) {
1554 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1555
1556 while (my ($k, $v) = each %todo) {
1557 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1558 if exists $v->{meta}{mandatory};
1559 }
1560
1561 last;
1562 }
1563 }
927 } 1564 };
928} 1565}
929 1566
930############################################################################# 1567#############################################################################
931 1568
1569=back
1570
932=head2 CORE EXTENSIONS 1571=head2 CORE EXTENSIONS
933 1572
934Functions and methods that extend core crossfire objects. 1573Functions and methods that extend core deliantra objects.
935 1574
936=cut 1575=cut
937 1576
938package cf::player; 1577package cf::player;
939 1578
… …
941 1580
942=head3 cf::player 1581=head3 cf::player
943 1582
944=over 4 1583=over 4
945 1584
1585=item cf::player::num_playing
1586
1587Returns the official number of playing players, as per the Crossfire metaserver rules.
1588
1589=cut
1590
1591sub num_playing {
1592 scalar grep
1593 $_->ob->map
1594 && !$_->hidden
1595 && !$_->ob->flag (cf::FLAG_WIZ),
1596 cf::player::list
1597}
1598
946=item cf::player::find $login 1599=item cf::player::find $login
947 1600
948Returns the given player object, loading it if necessary (might block). 1601Returns the given player object, loading it if necessary (might block).
949 1602
950=cut 1603=cut
951 1604
952sub playerdir($) { 1605sub playerdir($) {
953 cf::localdir 1606 "$PLAYERDIR/"
954 . "/"
955 . cf::playerdir
956 . "/"
957 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1607 . (ref $_[0] ? $_[0]->ob->name : $_[0])
958} 1608}
959 1609
960sub path($) { 1610sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1611 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 1612
963 (playerdir $login) . "/$login.pl" 1613 (playerdir $login) . "/playerdata"
964} 1614}
965 1615
966sub find_active($) { 1616sub find_active($) {
967 $cf::PLAYER{$_[0]} 1617 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 1618 and $cf::PLAYER{$_[0]}->active
… …
971 1621
972sub exists($) { 1622sub exists($) {
973 my ($login) = @_; 1623 my ($login) = @_;
974 1624
975 $cf::PLAYER{$login} 1625 $cf::PLAYER{$login}
976 or cf::sync_job { !aio_stat path $login } 1626 or !aio_stat path $login
977} 1627}
978 1628
979sub find($) { 1629sub find($) {
980 return $cf::PLAYER{$_[0]} || do { 1630 return $cf::PLAYER{$_[0]} || do {
981 my $login = $_[0]; 1631 my $login = $_[0];
982 1632
983 my $guard = cf::lock_acquire "user_find:$login"; 1633 my $guard = cf::lock_acquire "user_find:$login";
984 1634
985 $cf::PLAYER{$_[0]} || do { 1635 $cf::PLAYER{$_[0]} || do {
986 my $pl = load_pl path $login 1636 # rename old playerfiles to new ones
1637 #TODO: remove when no longer required
1638 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1639 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1640 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1641 aio_unlink +(playerdir $login) . "/$login.pl";
1642
1643 my $f = new_from_file cf::object::thawer path $login
987 or return; 1644 or return;
1645
1646 my $pl = cf::player::load_pl $f
1647 or return;
1648
1649 local $cf::PLAYER_LOADING{$login} = $pl;
1650 $f->resolve_delayed_derefs;
988 $cf::PLAYER{$login} = $pl 1651 $cf::PLAYER{$login} = $pl
989 } 1652 }
990 } 1653 }
991} 1654}
1655
1656cf::player->attach (
1657 on_load => sub {
1658 my ($pl, $path) = @_;
1659
1660 # restore slots saved in save, below
1661 my $slots = delete $pl->{_slots};
1662
1663 $pl->ob->current_weapon ($slots->[0]);
1664 $pl->combat_ob ($slots->[1]);
1665 $pl->ranged_ob ($slots->[2]);
1666 },
1667);
992 1668
993sub save($) { 1669sub save($) {
994 my ($pl) = @_; 1670 my ($pl) = @_;
995 1671
996 return if $pl->{deny_save}; 1672 return if $pl->{deny_save};
… …
1001 return if $pl->{deny_save}; 1677 return if $pl->{deny_save};
1002 1678
1003 aio_mkdir playerdir $pl, 0770; 1679 aio_mkdir playerdir $pl, 0770;
1004 $pl->{last_save} = $cf::RUNTIME; 1680 $pl->{last_save} = $cf::RUNTIME;
1005 1681
1682 cf::get_slot 0.01;
1683
1684 # save slots, to be restored later
1685 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1686
1006 $pl->save_pl ($path); 1687 $pl->save_pl ($path);
1007 Coro::cede; 1688 cf::cede_to_tick;
1008} 1689}
1009 1690
1010sub new($) { 1691sub new($) {
1011 my ($login) = @_; 1692 my ($login) = @_;
1012 1693
… …
1018 $cf::PLAYER{$login} = $self; 1699 $cf::PLAYER{$login} = $self;
1019 1700
1020 $self 1701 $self
1021} 1702}
1022 1703
1704=item $player->send_msg ($channel, $msg, $color, [extra...])
1705
1706=cut
1707
1708sub send_msg {
1709 my $ns = shift->ns
1710 or return;
1711 $ns->send_msg (@_);
1712}
1713
1023=item $pl->quit_character 1714=item $pl->quit_character
1024 1715
1025Nukes the player without looking back. If logged in, the connection will 1716Nukes the player without looking back. If logged in, the connection will
1026be destroyed. May block for a long time. 1717be destroyed. May block for a long time.
1027 1718
1028=cut 1719=cut
1029 1720
1030sub quit_character { 1721sub quit_character {
1031 my ($pl) = @_; 1722 my ($pl) = @_;
1032 1723
1724 my $name = $pl->ob->name;
1725
1033 $pl->{deny_save} = 1; 1726 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir 1727 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1035 1728
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1729 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037 $pl->deactivate; 1730 $pl->deactivate;
1731
1732 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1733 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1734 ext::highscore::check ($pl->ob);
1735
1039 $pl->ns->destroy if $pl->ns; 1736 $pl->ns->destroy if $pl->ns;
1040 1737
1041 my $path = playerdir $pl; 1738 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1739 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1740 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1741 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy; 1742 $pl->destroy;
1743
1744 my $prefix = qr<^~\Q$name\E/>;
1745
1746 # nuke player maps
1747 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1748
1046 IO::AIO::aio_rmtree $temp; 1749 IO::AIO::aio_rmtree $temp;
1750}
1751
1752=item $pl->kick
1753
1754Kicks a player out of the game. This destroys the connection.
1755
1756=cut
1757
1758sub kick {
1759 my ($pl, $kicker) = @_;
1760
1761 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1762 $pl->killer ("kicked");
1763 $pl->ns->destroy;
1047} 1764}
1048 1765
1049=item cf::player::list_logins 1766=item cf::player::list_logins
1050 1767
1051Returns am arrayref of all valid playernames in the system, can take a 1768Returns am arrayref of all valid playernames in the system, can take a
1052while and may block, so not sync_job-capable, ever. 1769while and may block, so not sync_job-capable, ever.
1053 1770
1054=cut 1771=cut
1055 1772
1056sub list_logins { 1773sub list_logins {
1057 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1774 my $dirs = aio_readdir $PLAYERDIR
1058 or return []; 1775 or return [];
1059 1776
1060 my @logins; 1777 my @logins;
1061 1778
1062 for my $login (@$dirs) { 1779 for my $login (@$dirs) {
1780 my $path = path $login;
1781
1782 # a .pst is a dead give-away for a valid player
1783 # if no pst file found, open and chekc for blocked users
1784 if (aio_stat "$path.pst") {
1063 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1785 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064 aio_read $fh, 0, 512, my $buf, 0 or next; 1786 aio_read $fh, 0, 512, my $buf, 0 or next;
1065 $buf !~ /^password -------------$/m or next; # official not-valid tag 1787 $buf !~ /^password -------------$/m or next; # official not-valid tag
1788 }
1066 1789
1067 utf8::decode $login; 1790 utf8::decode $login;
1068 push @logins, $login; 1791 push @logins, $login;
1069 } 1792 }
1070 1793
1071 \@logins 1794 \@logins
1072} 1795}
1073 1796
1074=item $player->maps 1797=item $player->maps
1075 1798
1799=item cf::player::maps $login
1800
1076Returns an arrayref of map paths that are private for this 1801Returns an arrayref of map paths that are private for this
1077player. May block. 1802player. May block.
1078 1803
1079=cut 1804=cut
1080 1805
1081sub maps($) { 1806sub maps($) {
1082 my ($pl) = @_; 1807 my ($pl) = @_;
1808
1809 $pl = ref $pl ? $pl->ob->name : $pl;
1083 1810
1084 my $files = aio_readdir playerdir $pl 1811 my $files = aio_readdir playerdir $pl
1085 or return; 1812 or return;
1086 1813
1087 my @paths; 1814 my @paths;
… …
1089 for (@$files) { 1816 for (@$files) {
1090 utf8::decode $_; 1817 utf8::decode $_;
1091 next if /\.(?:pl|pst)$/; 1818 next if /\.(?:pl|pst)$/;
1092 next unless /^$PATH_SEP/o; 1819 next unless /^$PATH_SEP/o;
1093 1820
1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1821 push @paths, cf::map::normalise "~$pl/$_";
1095 } 1822 }
1096 1823
1097 \@paths 1824 \@paths
1098} 1825}
1099 1826
1827=item $protocol_xml = $player->expand_cfpod ($cfpod)
1828
1829Expand deliantra pod fragments into protocol xml.
1830
1100=item $player->ext_reply ($msgid, $msgtype, %msg) 1831=item $player->ext_reply ($msgid, @msg)
1101 1832
1102Sends an ext reply to the player. 1833Sends an ext reply to the player.
1103 1834
1104=cut 1835=cut
1105 1836
1106sub ext_reply($$$%) { 1837sub ext_reply($$@) {
1107 my ($self, $id, %msg) = @_; 1838 my ($self, $id, @msg) = @_;
1108 1839
1109 $msg{msgid} = $id; 1840 $self->ns->ext_reply ($id, @msg)
1110
1111 $self->send ("ext " . cf::to_json \%msg);
1112} 1841}
1113 1842
1114package cf; 1843=item $player->ext_msg ($type, @msg)
1844
1845Sends an ext event to the client.
1846
1847=cut
1848
1849sub ext_msg($$@) {
1850 my ($self, $type, @msg) = @_;
1851
1852 $self->ns->ext_msg ($type, @msg);
1853}
1854
1855=head3 cf::region
1856
1857=over 4
1858
1859=cut
1860
1861package cf::region;
1862
1863=item cf::region::find_by_path $path
1864
1865Tries to decuce the likely region for a map knowing only its path.
1866
1867=cut
1868
1869sub find_by_path($) {
1870 my ($path) = @_;
1871
1872 $path =~ s/^~[^\/]*//; # skip ~login
1873
1874 my ($match, $specificity);
1875
1876 for my $region (list) {
1877 if ($region->{match} && $path =~ $region->{match}) {
1878 ($match, $specificity) = ($region, $region->specificity)
1879 if $region->specificity > $specificity;
1880 }
1881 }
1882
1883 $match
1884}
1115 1885
1116=back 1886=back
1117
1118 1887
1119=head3 cf::map 1888=head3 cf::map
1120 1889
1121=over 4 1890=over 4
1122 1891
… …
1134our $MAX_RESET = 3600; 1903our $MAX_RESET = 3600;
1135our $DEFAULT_RESET = 3000; 1904our $DEFAULT_RESET = 3000;
1136 1905
1137sub generate_random_map { 1906sub generate_random_map {
1138 my ($self, $rmp) = @_; 1907 my ($self, $rmp) = @_;
1139 # mit "rum" bekleckern, nicht 1908
1909 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1910
1140 $self->_create_random_map ( 1911 $self->_create_random_map ($rmp);
1141 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144 $rmp->{exit_on_final_map},
1145 $rmp->{xsize}, $rmp->{ysize},
1146 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151 (cf::region::find $rmp->{region}), $rmp->{custom}
1152 )
1153} 1912}
1154 1913
1155=item cf::map->register ($regex, $prio) 1914=item cf::map->register ($regex, $prio)
1156 1915
1157Register a handler for the map path matching the given regex at the 1916Register a handler for the map path matching the given regex at the
… …
1162 1921
1163sub register { 1922sub register {
1164 my (undef, $regex, $prio) = @_; 1923 my (undef, $regex, $prio) = @_;
1165 my $pkg = caller; 1924 my $pkg = caller;
1166 1925
1167 no strict;
1168 push @{"$pkg\::ISA"}, __PACKAGE__; 1926 push @{"$pkg\::ISA"}, __PACKAGE__;
1169 1927
1170 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1928 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171} 1929}
1172 1930
1173# also paths starting with '/' 1931# also paths starting with '/'
1174$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1932$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175 1933
1176sub thawer_merge { 1934sub thawer_merge {
1177 my ($self, $merge) = @_; 1935 my ($self, $merge) = @_;
1178 1936
1179 # we have to keep some variables in memory intact 1937 # we have to keep some variables in memory intact
1180 local $self->{path}; 1938 local $self->{path};
1181 local $self->{load_path}; 1939 local $self->{load_path};
1182 local $self->{deny_save};
1183 local $self->{deny_reset};
1184 1940
1185 $self->SUPER::thawer_merge ($merge); 1941 $self->SUPER::thawer_merge ($merge);
1186} 1942}
1187 1943
1188sub normalise { 1944sub normalise {
1189 my ($path, $base) = @_; 1945 my ($path, $base) = @_;
1190 1946
1191 $path = "$path"; # make sure its a string 1947 $path = "$path"; # make sure it's a string
1192 1948
1193 $path =~ s/\.map$//; 1949 $path =~ s/\.map$//;
1194 1950
1195 # map plan: 1951 # map plan:
1196 # 1952 #
… …
1211 $base =~ s{[^/]+/?$}{}; 1967 $base =~ s{[^/]+/?$}{};
1212 $path = "$base/$path"; 1968 $path = "$base/$path";
1213 } 1969 }
1214 1970
1215 for ($path) { 1971 for ($path) {
1216 redo if s{//}{/};
1217 redo if s{/\.?/}{/}; 1972 redo if s{/\.?/}{/};
1218 redo if s{/[^/]+/\.\./}{/}; 1973 redo if s{/[^/]+/\.\./}{/};
1219 } 1974 }
1220 1975
1221 $path 1976 $path
… …
1235 $self->init; # pass $1 etc. 1990 $self->init; # pass $1 etc.
1236 return $self; 1991 return $self;
1237 } 1992 }
1238 } 1993 }
1239 1994
1240 Carp::carp "unable to resolve path '$path' (base '$base')."; 1995 Carp::cluck "unable to resolve path '$path' (base '$base')";
1241 () 1996 ()
1242} 1997}
1243 1998
1999# may re-bless or do other evil things
1244sub init { 2000sub init {
1245 my ($self) = @_; 2001 my ($self) = @_;
1246 2002
1247 $self 2003 $self
1248} 2004}
… …
1260 2016
1261# the original (read-only) location 2017# the original (read-only) location
1262sub load_path { 2018sub load_path {
1263 my ($self) = @_; 2019 my ($self) = @_;
1264 2020
1265 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 2021 "$MAPDIR/$self->{path}.map"
1266} 2022}
1267 2023
1268# the temporary/swap location 2024# the temporary/swap location
1269sub save_path { 2025sub save_path {
1270 my ($self) = @_; 2026 my ($self) = @_;
1271 2027
1272 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2028 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 2029 "$TMPDIR/$path.map"
1274} 2030}
1275 2031
1276# the unique path, undef == no special unique path 2032# the unique path, undef == no special unique path
1277sub uniq_path { 2033sub uniq_path {
1278 my ($self) = @_; 2034 my ($self) = @_;
1279 2035
1280 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2036 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 2037 "$UNIQUEDIR/$path"
1282} 2038}
1283 2039
1284# and all this just because we cannot iterate over 2040sub decay_objects {
1285# all maps in C++...
1286sub change_all_map_light {
1287 my ($change) = @_; 2041 my ($self) = @_;
1288 2042
1289 $_->change_map_light ($change) 2043 return if $self->{deny_reset};
1290 for grep $_->outdoor, values %cf::MAP; 2044
2045 $self->do_decay_objects;
1291} 2046}
1292 2047
1293sub unlink_save { 2048sub unlink_save {
1294 my ($self) = @_; 2049 my ($self) = @_;
1295 2050
1296 utf8::encode (my $save = $self->save_path); 2051 utf8::encode (my $save = $self->save_path);
1297 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 2052 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 2053 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300 #d#TODO remove .map and also nuke
1301 $save =~ s/\.map// or return;#d#
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304} 2054}
1305 2055
1306sub load_header_from($) { 2056sub load_header_from($) {
1307 my ($self, $path) = @_; 2057 my ($self, $path) = @_;
1308 2058
1309 utf8::encode $path; 2059 utf8::encode $path;
1310 #aio_open $path, O_RDONLY, 0 2060 my $f = new_from_file cf::object::thawer $path
1311 # or return;
1312
1313 $self->_load_header ($path)
1314 or return; 2061 or return;
1315 2062
2063 $self->_load_header ($f)
2064 or return;
2065
2066 local $MAP_LOADING{$self->{path}} = $self;
2067 $f->resolve_delayed_derefs;
2068
1316 $self->{load_path} = $path; 2069 $self->{load_path} = $path;
1317 2070
1318 1 2071 1
1319} 2072}
1320 2073
2074# used to laod the header of an original map
1321sub load_header_orig { 2075sub load_header_orig {
1322 my ($self) = @_; 2076 my ($self) = @_;
1323 2077
1324 $self->load_header_from ($self->load_path) 2078 $self->load_header_from ($self->load_path)
1325} 2079}
1326 2080
2081# used to laod the header of an instantiated map
1327sub load_header_temp { 2082sub load_header_temp {
1328 my ($self) = @_; 2083 my ($self) = @_;
1329 2084
1330 $self->load_header_from ($self->save_path) 2085 $self->load_header_from ($self->save_path)
1331} 2086}
1332 2087
2088# called after loading the header from an instantiated map
1333sub prepare_temp { 2089sub prepare_temp {
1334 my ($self) = @_; 2090 my ($self) = @_;
1335 2091
1336 $self->last_access ((delete $self->{last_access}) 2092 $self->last_access ((delete $self->{last_access})
1337 || $cf::RUNTIME); #d# 2093 || $cf::RUNTIME); #d#
1338 # safety 2094 # safety
1339 $self->{instantiate_time} = $cf::RUNTIME 2095 $self->{instantiate_time} = $cf::RUNTIME
1340 if $self->{instantiate_time} > $cf::RUNTIME; 2096 if $self->{instantiate_time} > $cf::RUNTIME;
1341} 2097}
1342 2098
2099# called after loading the header from an original map
1343sub prepare_orig { 2100sub prepare_orig {
1344 my ($self) = @_; 2101 my ($self) = @_;
1345 2102
1346 $self->{load_original} = 1; 2103 $self->{load_original} = 1;
1347 $self->{instantiate_time} = $cf::RUNTIME; 2104 $self->{instantiate_time} = $cf::RUNTIME;
… …
1358 $self->load_header_orig 2115 $self->load_header_orig
1359 or return; 2116 or return;
1360 $self->prepare_orig; 2117 $self->prepare_orig;
1361 } 2118 }
1362 2119
2120 $self->{deny_reset} = 1
2121 if $self->no_reset;
2122
2123 $self->default_region (cf::region::find_by_path $self->{path})
2124 unless $self->default_region;
2125
1363 1 2126 1
1364} 2127}
1365 2128
1366sub find; 2129sub find;
1367sub find { 2130sub find {
1368 my ($path, $origin) = @_; 2131 my ($path, $origin) = @_;
1369 2132
2133 cf::cede_to_tick;
2134
1370 $path = normalise $path, $origin && $origin->path; 2135 $path = normalise $path, $origin;
1371 2136
2137 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372 cf::lock_wait "map_find:$path"; 2138 my $guard2 = cf::lock_acquire "map_find:$path";
1373 2139
1374 $cf::MAP{$path} || do { 2140 $cf::MAP{$path} || do {
1375 my $guard = cf::lock_acquire "map_find:$path";
1376 my $map = new_from_path cf::map $path 2141 my $map = new_from_path cf::map $path
1377 or return; 2142 or return;
1378 2143
1379 $map->{last_save} = $cf::RUNTIME; 2144 $map->{last_save} = $cf::RUNTIME;
1380 2145
1381 $map->load_header 2146 $map->load_header
1382 or return; 2147 or return;
1383 2148
1384 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2149 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385 # doing this can freeze the server in a sync job, obviously 2150 # doing this can freeze the server in a sync job, obviously
1386 #$cf::WAIT_FOR_TICK->wait; 2151 #$cf::WAIT_FOR_TICK->wait;
2152 undef $guard2;
2153 undef $guard1;
1387 $map->reset; 2154 $map->reset;
1388 undef $guard;
1389 return find $path; 2155 return find $path;
1390 } 2156 }
1391 2157
1392 $cf::MAP{$path} = $map 2158 $cf::MAP{$path} = $map
1393 } 2159 }
1394} 2160}
1395 2161
1396sub pre_load { } 2162sub pre_load { }
1397sub post_load { } 2163#sub post_load { } # XS
1398 2164
1399sub load { 2165sub load {
1400 my ($self) = @_; 2166 my ($self) = @_;
1401 2167
1402 local $self->{deny_reset} = 1; # loading can take a long time 2168 local $self->{deny_reset} = 1; # loading can take a long time
1403 2169
1404 my $path = $self->{path}; 2170 my $path = $self->{path};
2171
2172 {
1405 my $guard = cf::lock_acquire "map_load:$path"; 2173 my $guard = cf::lock_acquire "map_data:$path";
1406 2174
2175 return unless $self->valid;
1407 return if $self->in_memory != cf::MAP_SWAPPED; 2176 return unless $self->in_memory == cf::MAP_SWAPPED;
1408 2177
1409 $self->in_memory (cf::MAP_LOADING); 2178 $self->in_memory (cf::MAP_LOADING);
1410 2179
1411 $self->alloc; 2180 $self->alloc;
1412 2181
1413 $self->pre_load; 2182 $self->pre_load;
2183 cf::cede_to_tick;
1414 2184
1415 $self->_load_objects ($self->{load_path}, 1) 2185 if (exists $self->{load_path}) {
2186 my $f = new_from_file cf::object::thawer $self->{load_path};
2187 $f->skip_block;
2188 $self->_load_objects ($f)
1416 or return; 2189 or return;
1417 2190
1418 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2191 $self->post_load_original
1419 if delete $self->{load_original}; 2192 if delete $self->{load_original};
1420 2193
1421 if (my $uniq = $self->uniq_path) { 2194 if (my $uniq = $self->uniq_path) {
1422 utf8::encode $uniq; 2195 utf8::encode $uniq;
1423 if (aio_open $uniq, O_RDONLY, 0) { 2196 unless (aio_stat $uniq) {
2197 if (my $f = new_from_file cf::object::thawer $uniq) {
1424 $self->clear_unique_items; 2198 $self->clear_unique_items;
1425 $self->_load_objects ($uniq, 0); 2199 $self->_load_objects ($f);
2200 $f->resolve_delayed_derefs;
2201 }
2202 }
1426 } 2203 }
1427 }
1428 2204
1429 Coro::cede; 2205 $f->resolve_delayed_derefs;
2206 } else {
2207 $self->post_load_original
2208 if delete $self->{load_original};
2209 }
1430 2210
2211 cf::cede_to_tick;
1431 # now do the right thing for maps 2212 # now do the right thing for maps
1432 $self->link_multipart_objects; 2213 $self->link_multipart_objects;
1433
1434 unless ($self->{deny_activate}) {
1435 $self->decay_objects;
1436 $self->fix_auto_apply;
1437 $self->update_buttons;
1438 Coro::cede;
1439 $self->set_darkness_map;
1440 $self->difficulty ($self->estimate_difficulty) 2214 $self->difficulty ($self->estimate_difficulty)
1441 unless $self->difficulty; 2215 unless $self->difficulty;
1442 Coro::cede; 2216 cf::cede_to_tick;
2217
2218 unless ($self->{deny_activate}) {
2219 $self->decay_objects;
2220 $self->fix_auto_apply;
2221 $self->update_buttons;
2222 cf::cede_to_tick;
1443 $self->activate; 2223 $self->activate;
2224 }
2225
2226 $self->{last_save} = $cf::RUNTIME;
2227 $self->last_access ($cf::RUNTIME);
2228
2229 $self->in_memory (cf::MAP_ACTIVE);
1444 } 2230 }
1445 2231
1446 $self->post_load; 2232 $self->post_load;
1447 2233
1448 $self->in_memory (cf::MAP_IN_MEMORY); 2234 1
1449} 2235}
1450 2236
2237# customize the map for a given player, i.e.
2238# return the _real_ map. used by e.g. per-player
2239# maps to change the path to ~playername/mappath
1451sub customise_for { 2240sub customise_for {
1452 my ($self, $ob) = @_; 2241 my ($self, $ob) = @_;
1453 2242
1454 return find "~" . $ob->name . "/" . $self->{path} 2243 return find "~" . $ob->name . "/" . $self->{path}
1455 if $self->per_player; 2244 if $self->per_player;
1456 2245
2246# return find "?party/" . $ob->name . "/" . $self->{path}
2247# if $self->per_party;
2248
1457 $self 2249 $self
1458} 2250}
1459 2251
1460# find and load all maps in the 3x3 area around a map 2252# find and load all maps in the 3x3 area around a map
1461sub load_diag { 2253sub load_neighbours {
1462 my ($map) = @_; 2254 my ($map) = @_;
1463 2255
1464 my @diag; # diagonal neighbours 2256 my @neigh; # diagonal neighbours
1465 2257
1466 for (0 .. 3) { 2258 for (0 .. 3) {
1467 my $neigh = $map->tile_path ($_) 2259 my $neigh = $map->tile_path ($_)
1468 or next; 2260 or next;
1469 $neigh = find $neigh, $map 2261 $neigh = find $neigh, $map
1470 or next; 2262 or next;
1471 $neigh->load; 2263 $neigh->load;
1472 2264
2265 # now find the diagonal neighbours
2266 push @neigh,
1473 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2267 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1474 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2268 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1475 } 2269 }
1476 2270
1477 for (@diag) { 2271 for (grep defined $_->[0], @neigh) {
2272 my ($path, $origin) = @$_;
1478 my $neigh = find @$_ 2273 my $neigh = find $path, $origin
1479 or next; 2274 or next;
1480 $neigh->load; 2275 $neigh->load;
1481 } 2276 }
1482} 2277}
1483 2278
1484sub find_sync { 2279sub find_sync {
1485 my ($path, $origin) = @_; 2280 my ($path, $origin) = @_;
1486 2281
1487 cf::sync_job { find $path, $origin } 2282 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2283 if $Coro::current == $Coro::main;
2284
2285 find $path, $origin
1488} 2286}
1489 2287
1490sub do_load_sync { 2288sub do_load_sync {
1491 my ($map) = @_; 2289 my ($map) = @_;
1492 2290
1493 cf::sync_job { $map->load }; 2291 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2292 if $Coro::current == $Coro::main;
2293
2294 $map->load;
1494} 2295}
1495 2296
1496our %MAP_PREFETCH; 2297our %MAP_PREFETCH;
1497our $MAP_PREFETCHER = undef; 2298our $MAP_PREFETCHER = undef;
1498 2299
1499sub find_async { 2300sub find_async {
1500 my ($path, $origin) = @_; 2301 my ($path, $origin, $load) = @_;
1501 2302
1502 $path = normalise $path, $origin && $origin->{path}; 2303 $path = normalise $path, $origin;
1503 2304
1504 if (my $map = $cf::MAP{$path}) { 2305 if (my $map = $cf::MAP{$path}) {
1505 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2306 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506 } 2307 }
1507 2308
1508 undef $MAP_PREFETCH{$path}; 2309 $MAP_PREFETCH{$path} |= $load;
2310
1509 $MAP_PREFETCHER ||= cf::async { 2311 $MAP_PREFETCHER ||= cf::async {
2312 $Coro::current->{desc} = "map prefetcher";
2313
1510 while (%MAP_PREFETCH) { 2314 while (%MAP_PREFETCH) {
1511 for my $path (keys %MAP_PREFETCH) { 2315 while (my ($k, $v) = each %MAP_PREFETCH) {
1512 my $map = find $path 2316 if (my $map = find $k) {
1513 or next;
1514 $map->load; 2317 $map->load if $v;
2318 }
1515 2319
1516 delete $MAP_PREFETCH{$path}; 2320 delete $MAP_PREFETCH{$k};
1517 } 2321 }
1518 } 2322 }
1519 undef $MAP_PREFETCHER; 2323 undef $MAP_PREFETCHER;
1520 }; 2324 };
1521 $MAP_PREFETCHER->prio (6); 2325 $MAP_PREFETCHER->prio (6);
1522 2326
1523 () 2327 ()
1524} 2328}
1525 2329
2330# common code, used by both ->save and ->swapout
1526sub save { 2331sub _save {
1527 my ($self) = @_; 2332 my ($self) = @_;
1528
1529 my $lock = cf::lock_acquire "map_data:" . $self->path;
1530 2333
1531 $self->{last_save} = $cf::RUNTIME; 2334 $self->{last_save} = $cf::RUNTIME;
1532 2335
1533 return unless $self->dirty; 2336 return unless $self->dirty;
1534 2337
… …
1540 return if $self->{deny_save}; 2343 return if $self->{deny_save};
1541 2344
1542 local $self->{last_access} = $self->last_access;#d# 2345 local $self->{last_access} = $self->last_access;#d#
1543 2346
1544 cf::async { 2347 cf::async {
2348 $Coro::current->{desc} = "map player save";
1545 $_->contr->save for $self->players; 2349 $_->contr->save for $self->players;
1546 }; 2350 };
2351
2352 cf::get_slot 0.02;
1547 2353
1548 if ($uniq) { 2354 if ($uniq) {
1549 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2355 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2356 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1551 } else { 2357 } else {
1552 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2358 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553 } 2359 }
1554} 2360}
1555 2361
2362sub save {
2363 my ($self) = @_;
2364
2365 my $lock = cf::lock_acquire "map_data:$self->{path}";
2366
2367 $self->_save;
2368}
2369
1556sub swap_out { 2370sub swap_out {
1557 my ($self) = @_; 2371 my ($self) = @_;
1558 2372
1559 # save first because save cedes
1560 $self->save;
1561
1562 my $lock = cf::lock_acquire "map_data:" . $self->path; 2373 my $lock = cf::lock_acquire "map_data:$self->{path}";
1563 2374
2375 return if $self->in_memory != cf::MAP_ACTIVE;
2376 return if $self->{deny_save};
1564 return if $self->players; 2377 return if $self->players;
1565 return if $self->in_memory != cf::MAP_IN_MEMORY;
1566 return if $self->{deny_save};
1567 2378
2379 # first deactivate the map and "unlink" it from the core
2380 $self->deactivate;
2381 $_->clear_links_to ($self) for values %cf::MAP;
2382 $self->in_memory (cf::MAP_SWAPPED);
2383
2384 # then atomically save
2385 $self->_save;
2386
2387 # then free the map
1568 $self->clear; 2388 $self->clear;
1569 $self->in_memory (cf::MAP_SWAPPED);
1570} 2389}
1571 2390
1572sub reset_at { 2391sub reset_at {
1573 my ($self) = @_; 2392 my ($self) = @_;
1574 2393
1575 # TODO: safety, remove and allow resettable per-player maps 2394 # TODO: safety, remove and allow resettable per-player maps
1576 return 1e99 if $self->isa ("ext::map_per_player");#d#
1577 return 1e99 if $self->{deny_reset}; 2395 return 1e99 if $self->{deny_reset};
1578 2396
1579 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2397 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2398 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581 2399
… …
1592 my ($self) = @_; 2410 my ($self) = @_;
1593 2411
1594 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2412 my $lock = cf::lock_acquire "map_data:$self->{path}";
1595 2413
1596 return if $self->players; 2414 return if $self->players;
1597 return if $self->isa ("ext::map_per_player");#d#
1598 2415
1599 warn "resetting map ", $self->path;#d# 2416 cf::trace "resetting map ", $self->path, "\n";
2417
2418 $self->in_memory (cf::MAP_SWAPPED);
2419
2420 # need to save uniques path
2421 unless ($self->{deny_save}) {
2422 my $uniq = $self->uniq_path; utf8::encode $uniq;
2423
2424 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2425 if $uniq;
2426 }
1600 2427
1601 delete $cf::MAP{$self->path}; 2428 delete $cf::MAP{$self->path};
1602 2429
1603 $self->in_memory (cf::MAP_SWAPPED); 2430 $self->deactivate;
2431 $_->clear_links_to ($self) for values %cf::MAP;
1604 $self->clear; 2432 $self->clear;
1605
1606 $_->clear_links_to ($self) for values %cf::MAP;
1607 2433
1608 $self->unlink_save; 2434 $self->unlink_save;
1609 $self->destroy; 2435 $self->destroy;
1610} 2436}
1611 2437
1612my $nuke_counter = "aaaa"; 2438my $nuke_counter = "aaaa";
1613 2439
1614sub nuke { 2440sub nuke {
1615 my ($self) = @_; 2441 my ($self) = @_;
1616 2442
2443 {
2444 my $lock = cf::lock_acquire "map_data:$self->{path}";
2445
1617 delete $cf::MAP{$self->path}; 2446 delete $cf::MAP{$self->path};
1618 2447
1619 $self->unlink_save; 2448 $self->unlink_save;
1620 2449
1621 bless $self, "cf::map"; 2450 bless $self, "cf::map::wrap";
1622 delete $self->{deny_reset}; 2451 delete $self->{deny_reset};
1623 $self->{deny_save} = 1; 2452 $self->{deny_save} = 1;
1624 $self->reset_timeout (1); 2453 $self->reset_timeout (1);
1625 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2454 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626 2455
1627 $cf::MAP{$self->path} = $self; 2456 $cf::MAP{$self->path} = $self;
2457 }
1628 2458
1629 $self->reset; # polite request, might not happen 2459 $self->reset; # polite request, might not happen
2460}
2461
2462=item $maps = cf::map::tmp_maps
2463
2464Returns an arrayref with all map paths of currently instantiated and saved
2465maps. May block.
2466
2467=cut
2468
2469sub tmp_maps() {
2470 [
2471 map {
2472 utf8::decode $_;
2473 /\.map$/
2474 ? normalise $_
2475 : ()
2476 } @{ aio_readdir $TMPDIR or [] }
2477 ]
2478}
2479
2480=item $maps = cf::map::random_maps
2481
2482Returns an arrayref with all map paths of currently instantiated and saved
2483random maps. May block.
2484
2485=cut
2486
2487sub random_maps() {
2488 [
2489 map {
2490 utf8::decode $_;
2491 /\.map$/
2492 ? normalise "?random/$_"
2493 : ()
2494 } @{ aio_readdir $RANDOMDIR or [] }
2495 ]
1630} 2496}
1631 2497
1632=item cf::map::unique_maps 2498=item cf::map::unique_maps
1633 2499
1634Returns an arrayref of paths of all shared maps that have 2500Returns an arrayref of paths of all shared maps that have
1635instantiated unique items. May block. 2501instantiated unique items. May block.
1636 2502
1637=cut 2503=cut
1638 2504
1639sub unique_maps() { 2505sub unique_maps() {
1640 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2506 [
1641 or return; 2507 map {
1642
1643 my @paths;
1644
1645 for (@$files) {
1646 utf8::decode $_; 2508 utf8::decode $_;
1647 next if /\.pst$/; 2509 s/\.map$//; # TODO future compatibility hack
1648 next unless /^$PATH_SEP/o; 2510 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649 2511 ? ()
1650 push @paths, cf::map::normalise $_; 2512 : normalise $_
2513 } @{ aio_readdir $UNIQUEDIR or [] }
1651 } 2514 ]
1652
1653 \@paths
1654} 2515}
1655 2516
1656package cf; 2517=item cf::map::static_maps
2518
2519Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2520file in the shared directory excluding F</styles> and F</editor>). May
2521block.
2522
2523=cut
2524
2525sub static_maps() {
2526 my @dirs = "";
2527 my @maps;
2528
2529 while (@dirs) {
2530 my $dir = shift @dirs;
2531
2532 next if $dir eq "/styles" || $dir eq "/editor";
2533
2534 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2535 or return;
2536
2537 for (@$files) {
2538 s/\.map$// or next;
2539 utf8::decode $_;
2540 push @maps, "$dir/$_";
2541 }
2542
2543 push @dirs, map "$dir/$_", @$dirs;
2544 }
2545
2546 \@maps
2547}
1657 2548
1658=back 2549=back
1659 2550
1660=head3 cf::object 2551=head3 cf::object
1661 2552
… …
1665 2556
1666=over 4 2557=over 4
1667 2558
1668=item $ob->inv_recursive 2559=item $ob->inv_recursive
1669 2560
1670Returns the inventory of the object _and_ their inventories, recursively. 2561Returns the inventory of the object I<and> their inventories, recursively,
2562but I<not> the object itself.
1671 2563
1672=cut 2564=cut
1673 2565
1674sub inv_recursive_; 2566sub inv_recursive_;
1675sub inv_recursive_ { 2567sub inv_recursive_ {
… …
1678 2570
1679sub inv_recursive { 2571sub inv_recursive {
1680 inv_recursive_ inv $_[0] 2572 inv_recursive_ inv $_[0]
1681} 2573}
1682 2574
2575=item $ref = $ob->ref
2576
2577Creates and returns a persistent reference to an object that can be stored as a string.
2578
2579=item $ob = cf::object::deref ($refstring)
2580
2581returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2582even if the object actually exists. May block.
2583
2584=cut
2585
2586sub deref {
2587 my ($ref) = @_;
2588
2589 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2590 my ($uuid, $name) = ($1, $2);
2591 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2592 or return;
2593 $pl->ob->uuid eq $uuid
2594 or return;
2595
2596 $pl->ob
2597 } else {
2598 warn "$ref: cannot resolve object reference\n";
2599 undef
2600 }
2601}
2602
1683package cf; 2603package cf;
1684 2604
1685=back 2605=back
1686 2606
1687=head3 cf::object::player 2607=head3 cf::object::player
… …
1693Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2613Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694can be C<undef>. Does the right thing when the player is currently in a 2614can be C<undef>. Does the right thing when the player is currently in a
1695dialogue with the given NPC character. 2615dialogue with the given NPC character.
1696 2616
1697=cut 2617=cut
2618
2619our $SAY_CHANNEL = {
2620 id => "say",
2621 title => "Map",
2622 reply => "say ",
2623 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2624};
2625
2626our $CHAT_CHANNEL = {
2627 id => "chat",
2628 title => "Chat",
2629 reply => "chat ",
2630 tooltip => "Player chat and shouts, global to the server.",
2631};
1698 2632
1699# rough implementation of a future "reply" method that works 2633# rough implementation of a future "reply" method that works
1700# with dialog boxes. 2634# with dialog boxes.
1701#TODO: the first argument must go, split into a $npc->reply_to ( method 2635#TODO: the first argument must go, split into a $npc->reply_to ( method
1702sub cf::object::player::reply($$$;$) { 2636sub cf::object::player::reply($$$;$) {
… …
1704 2638
1705 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2639 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706 2640
1707 if ($self->{record_replies}) { 2641 if ($self->{record_replies}) {
1708 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2642 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2643
1709 } else { 2644 } else {
2645 my $pl = $self->contr;
2646
2647 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2648 my $dialog = $pl->{npc_dialog};
2649 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2650
2651 } else {
1710 $msg = $npc->name . " says: $msg" if $npc; 2652 $msg = $npc->name . " says: $msg" if $npc;
1711 $self->message ($msg, $flags); 2653 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2654 }
1712 } 2655 }
2656}
2657
2658=item $object->send_msg ($channel, $msg, $color, [extra...])
2659
2660=cut
2661
2662sub cf::object::send_msg {
2663 my $pl = shift->contr
2664 or return;
2665 $pl->send_msg (@_);
1713} 2666}
1714 2667
1715=item $player_object->may ("access") 2668=item $player_object->may ("access")
1716 2669
1717Returns wether the given player is authorized to access resource "access" 2670Returns wether the given player is authorized to access resource "access"
… …
1730 2683
1731=item $player_object->enter_link 2684=item $player_object->enter_link
1732 2685
1733Freezes the player and moves him/her to a special map (C<{link}>). 2686Freezes the player and moves him/her to a special map (C<{link}>).
1734 2687
1735The player should be reasonably safe there for short amounts of time. You 2688The player should be reasonably safe there for short amounts of time (e.g.
1736I<MUST> call C<leave_link> as soon as possible, though. 2689for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2690though, as the player cannot control the character while it is on the link
2691map.
1737 2692
1738Will never block. 2693Will never block.
1739 2694
1740=item $player_object->leave_link ($map, $x, $y) 2695=item $player_object->leave_link ($map, $x, $y)
1741 2696
… …
1761sub cf::object::player::enter_link { 2716sub cf::object::player::enter_link {
1762 my ($self) = @_; 2717 my ($self) = @_;
1763 2718
1764 $self->deactivate_recursive; 2719 $self->deactivate_recursive;
1765 2720
2721 ++$self->{_link_recursion};
2722
1766 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2723 return if UNIVERSAL::isa $self->map, "ext::map_link";
1767 2724
1768 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2725 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769 if $self->map; 2726 if $self->map && $self->map->{path} ne "{link}";
1770 2727
1771 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2728 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1772} 2729}
1773 2730
1774sub cf::object::player::leave_link { 2731sub cf::object::player::leave_link {
1775 my ($self, $map, $x, $y) = @_; 2732 my ($self, $map, $x, $y) = @_;
2733
2734 return unless $self->contr->active;
1776 2735
1777 my $link_pos = delete $self->{_link_pos}; 2736 my $link_pos = delete $self->{_link_pos};
1778 2737
1779 unless ($map) { 2738 unless ($map) {
1780 # restore original map position 2739 # restore original map position
… …
1791 ($x, $y) = (-1, -1) 2750 ($x, $y) = (-1, -1)
1792 unless (defined $x) && (defined $y); 2751 unless (defined $x) && (defined $y);
1793 2752
1794 # use -1 or undef as default coordinates, not 0, 0 2753 # use -1 or undef as default coordinates, not 0, 0
1795 ($x, $y) = ($map->enter_x, $map->enter_y) 2754 ($x, $y) = ($map->enter_x, $map->enter_y)
1796 if $x <=0 && $y <= 0; 2755 if $x <= 0 && $y <= 0;
1797 2756
1798 $map->load; 2757 $map->load;
1799 $map->load_diag; 2758 $map->load_neighbours;
1800 2759
1801 return unless $self->contr->active; 2760 return unless $self->contr->active;
2761
2762 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2763 if ($self->enter_map ($map, $x, $y)) {
2764 # entering was successful
2765 delete $self->{_link_recursion};
2766 # only activate afterwards, to support waiting in hooks
1802 $self->activate_recursive; 2767 $self->activate_recursive;
1803 $self->enter_map ($map, $x, $y);
1804}
1805
1806cf::player->attach (
1807 on_logout => sub {
1808 my ($pl) = @_;
1809
1810 # abort map switching before logout
1811 if ($pl->ob->{_link_pos}) {
1812 cf::sync_job {
1813 $pl->ob->leave_link
1814 };
1815 }
1816 }, 2768 }
1817 on_login => sub {
1818 my ($pl) = @_;
1819 2769
1820 # try to abort aborted map switching on player login :) 2770}
1821 # should happen only on crashes
1822 if ($pl->ob->{_link_pos}) {
1823 $pl->ob->enter_link;
1824 (async {
1825 # we need this sleep as the login has a concurrent enter_exit running
1826 # and this sleep increases chances of the player not ending up in scorn
1827 $pl->ob->reply (undef,
1828 "There was an internal problem at your last logout, "
1829 . "the server will try to bring you to your intended destination in a second.",
1830 cf::NDI_RED);
1831 Coro::Timer::sleep 1;
1832 $pl->ob->leave_link;
1833 })->prio (2);
1834 }
1835 },
1836);
1837 2771
1838=item $player_object->goto ($path, $x, $y) 2772=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839 2773
2774Moves the player to the given map-path and coordinates by first freezing
2775her, loading and preparing them map, calling the provided $check callback
2776that has to return the map if sucecssful, and then unfreezes the player on
2777the new (success) or old (failed) map position. In either case, $done will
2778be called at the end of this process.
2779
2780Note that $check will be called with a potentially non-loaded map, so if
2781it needs a loaded map it has to call C<< ->load >>.
2782
1840=cut 2783=cut
2784
2785our $GOTOGEN;
1841 2786
1842sub cf::object::player::goto { 2787sub cf::object::player::goto {
1843 my ($self, $path, $x, $y) = @_; 2788 my ($self, $path, $x, $y, $check, $done) = @_;
2789
2790 if ($self->{_link_recursion} >= $MAX_LINKS) {
2791 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2792 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2793 ($path, $x, $y) = @$EMERGENCY_POSITION;
2794 }
2795
2796 # do generation counting so two concurrent goto's will be executed in-order
2797 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844 2798
1845 $self->enter_link; 2799 $self->enter_link;
1846 2800
1847 (async { 2801 (async {
2802 $Coro::current->{desc} = "player::goto $path $x $y";
2803
2804 # *tag paths override both path and x|y
2805 if ($path =~ /^\*(.*)$/) {
2806 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2807 my $ob = $obs[rand @obs];
2808
2809 # see if we actually can go there
2810 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2811 $ob = $obs[rand @obs];
2812 } else {
2813 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2814 }
2815 # else put us there anyways for now #d#
2816
2817 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2818 } else {
2819 ($path, $x, $y) = (undef, undef, undef);
2820 }
2821 }
2822
1848 my $map = eval { 2823 my $map = eval {
1849 my $map = cf::map::find $path; 2824 my $map = defined $path ? cf::map::find $path, $self->map : undef;
2825
2826 if ($map) {
1850 $map = $map->customise_for ($self) if $map; 2827 $map = $map->customise_for ($self);
2828 $map = $check->($map, $x, $y, $self) if $check && $map;
2829 } else {
2830 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2831 }
2832
1851 $map 2833 $map
2834 };
2835
2836 if ($@) {
2837 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2838 LOG llevError | logBacktrace, Carp::longmess $@;
1852 } or 2839 }
1853 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 2840
2841 if ($gen == $self->{_goto_generation}) {
2842 delete $self->{_goto_generation};
1855 $self->leave_link ($map, $x, $y); 2843 $self->leave_link ($map, $x, $y);
2844 }
2845
2846 $done->($self) if $done;
1856 })->prio (1); 2847 })->prio (1);
1857} 2848}
1858 2849
1859=item $player_object->enter_exit ($exit_object) 2850=item $player_object->enter_exit ($exit_object)
1860 2851
… …
1880} 2871}
1881 2872
1882sub prepare_random_map { 2873sub prepare_random_map {
1883 my ($exit) = @_; 2874 my ($exit) = @_;
1884 2875
1885 my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887 # all this does is basically replace the /! path by 2876 # all this does is basically replace the /! path by
1888 # a new random map path (?random/...) with a seed 2877 # a new random map path (?random/...) with a seed
1889 # that depends on the exit object 2878 # that depends on the exit object
1890 2879
1891 my $rmp = parse_random_map_params $exit->msg; 2880 my $rmp = parse_random_map_params $exit->msg;
… …
1893 if ($exit->map) { 2882 if ($exit->map) {
1894 $rmp->{region} = $exit->region->name; 2883 $rmp->{region} = $exit->region->name;
1895 $rmp->{origin_map} = $exit->map->path; 2884 $rmp->{origin_map} = $exit->map->path;
1896 $rmp->{origin_x} = $exit->x; 2885 $rmp->{origin_x} = $exit->x;
1897 $rmp->{origin_y} = $exit->y; 2886 $rmp->{origin_y} = $exit->y;
2887
2888 $exit->map->touch;
1898 } 2889 }
1899 2890
1900 $rmp->{random_seed} ||= $exit->random_seed; 2891 $rmp->{random_seed} ||= $exit->random_seed;
1901 2892
1902 my $data = cf::to_json $rmp; 2893 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903 my $md5 = Digest::MD5::md5_hex $data; 2894 my $md5 = Digest::MD5::md5_hex $data;
1904 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2895 my $meta = "$RANDOMDIR/$md5.meta";
1905 2896
1906 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2897 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907 aio_write $fh, 0, (length $data), $data, 0; 2898 aio_write $fh, 0, (length $data), $data, 0;
1908 undef $fh; 2899 undef $fh;
1909 aio_rename "$meta~", $meta; 2900 aio_rename "$meta~", $meta;
1910 2901
2902 my $slaying = "?random/$md5";
2903
2904 if ($exit->valid) {
1911 $exit->slaying ("?random/$md5"); 2905 $exit->slaying ("?random/$md5");
1912 $exit->msg (undef); 2906 $exit->msg (undef);
2907 }
1913 } 2908 }
1914} 2909}
1915 2910
1916sub cf::object::player::enter_exit { 2911sub cf::object::player::enter_exit {
1917 my ($self, $exit) = @_; 2912 my ($self, $exit) = @_;
1918 2913
1919 return unless $self->type == cf::PLAYER; 2914 return unless $self->type == cf::PLAYER;
1920 2915
1921 if ($exit->slaying eq "/!") {
1922 #TODO: this should de-fi-ni-te-ly not be a sync-job
1923 cf::sync_job { prepare_random_map $exit };
1924 }
1925
1926 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927 my $hp = $exit->stats->hp;
1928 my $sp = $exit->stats->sp;
1929
1930 $self->enter_link; 2916 $self->enter_link;
1931 2917
1932 (async { 2918 (async {
1933 $self->deactivate_recursive; # just to be sure 2919 $Coro::current->{desc} = "enter_exit";
2920
1934 unless (eval { 2921 unless (eval {
2922 $self->deactivate_recursive; # just to be sure
2923
2924 my $map = cf::map::normalise $exit->slaying, $exit->map;
2925 my $x = $exit->stats->hp;
2926 my $y = $exit->stats->sp;
2927
2928 # special map handling
2929 my $slaying = $exit->slaying;
2930
2931 # special map handling
2932 if ($slaying eq "/!") {
2933 my $guard = cf::lock_acquire "exit_prepare:$exit";
2934
2935 prepare_random_map $exit
2936 if $slaying eq "/!"; # need to re-check after getting the lock
2937
2938 } elsif ($slaying eq '!up') {
2939 $map = $exit->map->tile_path (cf::TILE_UP);
2940 $x = $exit->x;
2941 $y = $exit->y;
2942
2943 } elsif ($slaying eq '!down') {
2944 $map = $exit->map->tile_path (cf::TILE_DOWN);
2945 $x = $exit->x;
2946 $y = $exit->y;
2947 }
2948
1935 $self->goto ($slaying, $hp, $sp); 2949 $self->goto ($map, $x, $y);
1936 2950
2951 # if exit is damned, update players death & WoR home-position
2952 $self->contr->savebed ($map, $x, $y)
2953 if $exit->flag (cf::FLAG_DAMNED);
2954
1937 1; 2955 1
1938 }) { 2956 }) {
1939 $self->message ("Something went wrong deep within the crossfire server. " 2957 $self->message ("Something went wrong deep within the deliantra server. "
1940 . "I'll try to bring you back to the map you were before. " 2958 . "I'll try to bring you back to the map you were before. "
1941 . "Please report this to the dungeon master!", 2959 . "Please report this to the dungeon master!",
1942 cf::NDI_UNIQUE | cf::NDI_RED); 2960 cf::NDI_UNIQUE | cf::NDI_RED);
1943 2961
1944 warn "ERROR in enter_exit: $@"; 2962 error "ERROR in enter_exit: $@";
1945 $self->leave_link; 2963 $self->leave_link;
1946 } 2964 }
1947 })->prio (1); 2965 })->prio (1);
1948} 2966}
1949 2967
… …
1960 2978
1961sub cf::client::send_drawinfo { 2979sub cf::client::send_drawinfo {
1962 my ($self, $text, $flags) = @_; 2980 my ($self, $text, $flags) = @_;
1963 2981
1964 utf8::encode $text; 2982 utf8::encode $text;
1965 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2983 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966} 2984}
1967 2985
2986=item $client->send_big_packet ($pkt)
2987
2988Like C<send_packet>, but tries to compress large packets, and fragments
2989them as required.
2990
2991=cut
2992
2993our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2994
2995sub cf::client::send_big_packet {
2996 my ($self, $pkt) = @_;
2997
2998 # try lzf for large packets
2999 $pkt = "lzf " . Compress::LZF::compress $pkt
3000 if 1024 <= length $pkt and $self->{can_lzf};
3001
3002 # split very large packets
3003 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
3004 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
3005 $pkt = "frag";
3006 }
3007
3008 $self->send_packet ($pkt);
3009}
3010
3011=item $client->send_msg ($channel, $msg, $color, [extra...])
3012
3013Send a drawinfo or msg packet to the client, formatting the msg for the
3014client if neccessary. C<$type> should be a string identifying the type of
3015the message, with C<log> being the default. If C<$color> is negative, suppress
3016the message unless the client supports the msg packet.
3017
3018=cut
3019
3020# non-persistent channels (usually the info channel)
3021our %CHANNEL = (
3022 "c/motd" => {
3023 id => "infobox",
3024 title => "MOTD",
3025 reply => undef,
3026 tooltip => "The message of the day",
3027 },
3028 "c/identify" => {
3029 id => "infobox",
3030 title => "Identify",
3031 reply => undef,
3032 tooltip => "Items recently identified",
3033 },
3034 "c/examine" => {
3035 id => "infobox",
3036 title => "Examine",
3037 reply => undef,
3038 tooltip => "Signs and other items you examined",
3039 },
3040 "c/shopinfo" => {
3041 id => "infobox",
3042 title => "Shop Info",
3043 reply => undef,
3044 tooltip => "What your bargaining skill tells you about the shop",
3045 },
3046 "c/book" => {
3047 id => "infobox",
3048 title => "Book",
3049 reply => undef,
3050 tooltip => "The contents of a note or book",
3051 },
3052 "c/lookat" => {
3053 id => "infobox",
3054 title => "Look",
3055 reply => undef,
3056 tooltip => "What you saw there",
3057 },
3058 "c/who" => {
3059 id => "infobox",
3060 title => "Players",
3061 reply => undef,
3062 tooltip => "Shows players who are currently online",
3063 },
3064 "c/body" => {
3065 id => "infobox",
3066 title => "Body Parts",
3067 reply => undef,
3068 tooltip => "Shows which body parts you posess and are available",
3069 },
3070 "c/statistics" => {
3071 id => "infobox",
3072 title => "Statistics",
3073 reply => undef,
3074 tooltip => "Shows your primary statistics",
3075 },
3076 "c/skills" => {
3077 id => "infobox",
3078 title => "Skills",
3079 reply => undef,
3080 tooltip => "Shows your experience per skill and item power",
3081 },
3082 "c/shopitems" => {
3083 id => "infobox",
3084 title => "Shop Items",
3085 reply => undef,
3086 tooltip => "Shows the items currently for sale in this shop",
3087 },
3088 "c/resistances" => {
3089 id => "infobox",
3090 title => "Resistances",
3091 reply => undef,
3092 tooltip => "Shows your resistances",
3093 },
3094 "c/pets" => {
3095 id => "infobox",
3096 title => "Pets",
3097 reply => undef,
3098 tooltip => "Shows information abotu your pets/a specific pet",
3099 },
3100 "c/perceiveself" => {
3101 id => "infobox",
3102 title => "Perceive Self",
3103 reply => undef,
3104 tooltip => "You gained detailed knowledge about yourself",
3105 },
3106 "c/uptime" => {
3107 id => "infobox",
3108 title => "Uptime",
3109 reply => undef,
3110 tooltip => "How long the server has been running since last restart",
3111 },
3112 "c/mapinfo" => {
3113 id => "infobox",
3114 title => "Map Info",
3115 reply => undef,
3116 tooltip => "Information related to the maps",
3117 },
3118 "c/party" => {
3119 id => "party",
3120 title => "Party",
3121 reply => "gsay ",
3122 tooltip => "Messages and chat related to your party",
3123 },
3124 "c/death" => {
3125 id => "death",
3126 title => "Death",
3127 reply => undef,
3128 tooltip => "Reason for and more info about your most recent death",
3129 },
3130 "c/say" => $SAY_CHANNEL,
3131 "c/chat" => $CHAT_CHANNEL,
3132);
3133
3134sub cf::client::send_msg {
3135 my ($self, $channel, $msg, $color, @extra) = @_;
3136
3137 $msg = $self->pl->expand_cfpod ($msg)
3138 unless $color & cf::NDI_VERBATIM;
3139
3140 $color &= cf::NDI_CLIENT_MASK; # just in case...
3141
3142 # check predefined channels, for the benefit of C
3143 if ($CHANNEL{$channel}) {
3144 $channel = $CHANNEL{$channel};
3145
3146 $self->ext_msg (channel_info => $channel);
3147 $channel = $channel->{id};
3148
3149 } elsif (ref $channel) {
3150 # send meta info to client, if not yet sent
3151 unless (exists $self->{channel}{$channel->{id}}) {
3152 $self->{channel}{$channel->{id}} = $channel;
3153 $self->ext_msg (channel_info => $channel);
3154 }
3155
3156 $channel = $channel->{id};
3157 }
3158
3159 return unless @extra || length $msg;
3160
3161 # default colour, mask it out
3162 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3163 if $color & cf::NDI_DEF;
3164
3165 my $pkt = "msg "
3166 . $self->{json_coder}->encode (
3167 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3168 );
3169
3170 $self->send_big_packet ($pkt);
3171}
3172
3173=item $client->ext_msg ($type, @msg)
3174
3175Sends an ext event to the client.
3176
3177=cut
3178
3179sub cf::client::ext_msg($$@) {
3180 my ($self, $type, @msg) = @_;
3181
3182 if ($self->extcmd == 2) {
3183 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3184 } elsif ($self->extcmd == 1) { # TODO: remove
3185 push @msg, msgtype => "event_$type";
3186 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3187 }
3188}
3189
3190=item $client->ext_reply ($msgid, @msg)
3191
3192Sends an ext reply to the client.
3193
3194=cut
3195
3196sub cf::client::ext_reply($$@) {
3197 my ($self, $id, @msg) = @_;
3198
3199 if ($self->extcmd == 2) {
3200 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3201 } elsif ($self->extcmd == 1) {
3202 #TODO: version 1, remove
3203 unshift @msg, msgtype => "reply", msgid => $id;
3204 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3205 }
3206}
1968 3207
1969=item $success = $client->query ($flags, "text", \&cb) 3208=item $success = $client->query ($flags, "text", \&cb)
1970 3209
1971Queues a query to the client, calling the given callback with 3210Queues a query to the client, calling the given callback with
1972the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3211the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3212C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974 3213
1975Queries can fail, so check the return code. Or don't, as queries will become 3214Queries can fail, so check the return code. Or don't, as queries will
1976reliable at some point in the future. 3215become reliable at some point in the future.
1977 3216
1978=cut 3217=cut
1979 3218
1980sub cf::client::query { 3219sub cf::client::query {
1981 my ($self, $flags, $text, $cb) = @_; 3220 my ($self, $flags, $text, $cb) = @_;
… …
1989 utf8::encode $text; 3228 utf8::encode $text;
1990 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3229 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991 3230
1992 $self->send_packet ($self->{query_queue}[0][0]) 3231 $self->send_packet ($self->{query_queue}[0][0])
1993 if @{ $self->{query_queue} } == 1; 3232 if @{ $self->{query_queue} } == 1;
3233
3234 1
1994} 3235}
1995 3236
1996cf::client->attach ( 3237cf::client->attach (
3238 on_connect => sub {
3239 my ($ns) = @_;
3240
3241 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3242 },
1997 on_reply => sub { 3243 on_reply => sub {
1998 my ($ns, $msg) = @_; 3244 my ($ns, $msg) = @_;
1999 3245
2000 # this weird shuffling is so that direct followup queries 3246 # this weird shuffling is so that direct followup queries
2001 # get handled first 3247 # get handled first
2002 my $queue = delete $ns->{query_queue} 3248 my $queue = delete $ns->{query_queue}
2003 or return; # be conservative, not sure how that can happen, but we saw a crash here 3249 or return; # be conservative, not sure how that can happen, but we saw a crash here
2004 3250
2005 (shift @$queue)->[1]->($msg); 3251 (shift @$queue)->[1]->($msg);
3252 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006 3253
2007 push @{ $ns->{query_queue} }, @$queue; 3254 push @{ $ns->{query_queue} }, @$queue;
2008 3255
2009 if (@{ $ns->{query_queue} } == @$queue) { 3256 if (@{ $ns->{query_queue} } == @$queue) {
2010 if (@$queue) { 3257 if (@$queue) {
… …
2012 } else { 3259 } else {
2013 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3260 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014 } 3261 }
2015 } 3262 }
2016 }, 3263 },
3264 on_exticmd => sub {
3265 my ($ns, $buf) = @_;
3266
3267 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3268
3269 if (ref $msg) {
3270 my ($type, $reply, @payload) =
3271 "ARRAY" eq ref $msg
3272 ? @$msg
3273 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3274
3275 my @reply;
3276
3277 if (my $cb = $EXTICMD{$type}) {
3278 @reply = $cb->($ns, @payload);
3279 }
3280
3281 $ns->ext_reply ($reply, @reply)
3282 if $reply;
3283
3284 } else {
3285 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3286 }
3287
3288 cf::override;
3289 },
2017); 3290);
2018 3291
2019=item $client->async (\&cb) 3292=item $client->async (\&cb)
2020 3293
2021Create a new coroutine, running the specified callback. The coroutine will 3294Create a new coroutine, running the specified callback. The coroutine will
… …
2037 3310
2038 $coro 3311 $coro
2039} 3312}
2040 3313
2041cf::client->attach ( 3314cf::client->attach (
2042 on_destroy => sub { 3315 on_client_destroy => sub {
2043 my ($ns) = @_; 3316 my ($ns) = @_;
2044 3317
2045 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3318 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046 }, 3319 },
2047); 3320);
… …
2062our $safe = new Safe "safe"; 3335our $safe = new Safe "safe";
2063our $safe_hole = new Safe::Hole; 3336our $safe_hole = new Safe::Hole;
2064 3337
2065$SIG{FPE} = 'IGNORE'; 3338$SIG{FPE} = 'IGNORE';
2066 3339
2067$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3340$safe->permit_only (Opcode::opset qw(
3341 :base_core :base_mem :base_orig :base_math :base_loop
3342 grepstart grepwhile mapstart mapwhile
3343 sort time
3344));
2068 3345
2069# here we export the classes and methods available to script code 3346# here we export the classes and methods available to script code
2070 3347
2071=pod 3348=pod
2072 3349
2073The following fucntions and emthods are available within a safe environment: 3350The following functions and methods are available within a safe environment:
2074 3351
2075 cf::object contr pay_amount pay_player map 3352 cf::object
3353 contr pay_amount pay_player map x y force_find force_add destroy
3354 insert remove name archname title slaying race decrease split
3355 value
3356
2076 cf::object::player player 3357 cf::object::player
2077 cf::player peaceful 3358 player
2078 cf::map trigger 3359
3360 cf::player
3361 peaceful
3362
3363 cf::map
3364 trigger
2079 3365
2080=cut 3366=cut
2081 3367
2082for ( 3368for (
2083 ["cf::object" => qw(contr pay_amount pay_player map)], 3369 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3370 insert remove inv nrof name archname title slaying race
3371 decrease split destroy change_exp value msg lore send_msg)],
2084 ["cf::object::player" => qw(player)], 3372 ["cf::object::player" => qw(player)],
2085 ["cf::player" => qw(peaceful)], 3373 ["cf::player" => qw(peaceful send_msg)],
2086 ["cf::map" => qw(trigger)], 3374 ["cf::map" => qw(trigger)],
2087) { 3375) {
2088 no strict 'refs';
2089 my ($pkg, @funs) = @$_; 3376 my ($pkg, @funs) = @$_;
2090 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3377 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091 for @funs; 3378 for @funs;
2092} 3379}
2093 3380
… …
2108 3395
2109 my $qcode = $code; 3396 my $qcode = $code;
2110 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3397 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2111 $qcode =~ s/\n/\\n/g; 3398 $qcode =~ s/\n/\\n/g;
2112 3399
3400 %vars = (_dummy => 0) unless %vars;
3401
3402 my @res;
2113 local $_; 3403 local $_;
2114 local @safe::cf::_safe_eval_args = values %vars;
2115 3404
2116 my $eval = 3405 my $eval =
2117 "do {\n" 3406 "do {\n"
2118 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3407 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119 . "#line 0 \"{$qcode}\"\n" 3408 . "#line 0 \"{$qcode}\"\n"
2120 . $code 3409 . $code
2121 . "\n}" 3410 . "\n}"
2122 ; 3411 ;
2123 3412
3413 if ($CFG{safe_eval}) {
2124 sub_generation_inc; 3414 sub_generation_inc;
3415 local @safe::cf::_safe_eval_args = values %vars;
2125 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3416 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126 sub_generation_inc; 3417 sub_generation_inc;
3418 } else {
3419 local @cf::_safe_eval_args = values %vars;
3420 @res = wantarray ? eval eval : scalar eval $eval;
3421 }
2127 3422
2128 if ($@) { 3423 if ($@) {
2129 warn "$@"; 3424 warn "$@",
2130 warn "while executing safe code '$code'\n"; 3425 "while executing safe code '$code'\n",
2131 warn "with arguments " . (join " ", %vars) . "\n"; 3426 "with arguments " . (join " ", %vars) . "\n";
2132 } 3427 }
2133 3428
2134 wantarray ? @res : $res[0] 3429 wantarray ? @res : $res[0]
2135} 3430}
2136 3431
… …
2150=cut 3445=cut
2151 3446
2152sub register_script_function { 3447sub register_script_function {
2153 my ($fun, $cb) = @_; 3448 my ($fun, $cb) = @_;
2154 3449
2155 no strict 'refs'; 3450 $fun = "safe::$fun" if $CFG{safe_eval};
2156 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3451 *$fun = $safe_hole->wrap ($cb);
2157} 3452}
2158 3453
2159=back 3454=back
2160 3455
2161=cut 3456=cut
2162 3457
2163############################################################################# 3458#############################################################################
3459# the server's init and main functions
2164 3460
2165=head2 EXTENSION DATABASE SUPPORT 3461sub load_facedata($) {
3462 my ($path) = @_;
2166 3463
2167Crossfire maintains a very simple database for extension use. It can 3464 # HACK to clear player env face cache, we need some signal framework
2168currently store anything that can be serialised using Storable, which 3465 # for this (global event?)
2169excludes objects. 3466 %ext::player_env::MUSIC_FACE_CACHE = ();
2170 3467
2171The parameter C<$family> should best start with the name of the extension 3468 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172using it, it should be unique.
2173 3469
2174=over 4 3470 trace "loading facedata from $path\n";
2175 3471
2176=item $hashref = cf::db_get $family 3472 my $facedata = decode_storable load_file $path;
2177 3473
2178Return a hashref for use by the extension C<$family>, which can be 3474 $facedata->{version} == 2
2179modified. After modifications, you have to call C<cf::db_dirty> or 3475 or cf::cleanup "$path: version mismatch, cannot proceed.";
2180C<cf::db_sync>.
2181 3476
2182=item $value = cf::db_get $family => $key 3477 # patch in the exptable
2183 3478 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2184Returns a single value from the database 3479 $facedata->{resource}{"res/exp_table"} = {
2185 3480 type => FT_RSRC,
2186=item cf::db_put $family => $hashref 3481 data => $exp_table,
2187 3482 hash => (Digest::MD5::md5 $exp_table),
2188Stores the given family hashref into the database. Updates are delayed, if
2189you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191=item cf::db_put $family => $key => $value
2192
2193Stores the given C<$value> in the family hash. Updates are delayed, if you
2194want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196=item cf::db_dirty
2197
2198Marks the database as dirty, to be updated at a later time.
2199
2200=item cf::db_sync
2201
2202Immediately write the database to disk I<if it is dirty>.
2203
2204=cut
2205
2206our $DB;
2207
2208{
2209 my $path = cf::localdir . "/database.pst";
2210
2211 sub db_load() {
2212 $DB = stat $path ? Storable::retrieve $path : { };
2213 } 3483 };
3484 cf::cede_to_tick;
2214 3485
2215 my $pid;
2216
2217 sub db_save() {
2218 waitpid $pid, 0 if $pid;
2219 if (0 == ($pid = fork)) {
2220 $DB->{_meta}{version} = 1;
2221 Storable::nstore $DB, "$path~";
2222 rename "$path~", $path;
2223 cf::_exit 0 if defined $pid;
2224 }
2225 } 3486 {
3487 my $faces = $facedata->{faceinfo};
2226 3488
2227 my $dirty; 3489 while (my ($face, $info) = each %$faces) {
3490 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228 3491
2229 sub db_sync() { 3492 cf::face::set_visibility $idx, $info->{visibility};
2230 db_save if $dirty; 3493 cf::face::set_magicmap $idx, $info->{magicmap};
2231 undef $dirty; 3494 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232 } 3495 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3496 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2233 3497
2234 my $idle = Event->idle ( 3498 cf::cede_to_tick;
2235 reentrant => 0,
2236 min => 10,
2237 max => 20,
2238 repeat => 0,
2239 data => WF_AUTOCANCEL,
2240 cb => \&db_sync,
2241 );
2242
2243 sub db_dirty() {
2244 $dirty = 1;
2245 $idle->start;
2246 }
2247
2248 sub db_get($;$) {
2249 @_ >= 2
2250 ? $DB->{$_[0]}{$_[1]}
2251 : ($DB->{$_[0]} ||= { })
2252 }
2253
2254 sub db_put($$;$) {
2255 if (@_ >= 3) {
2256 $DB->{$_[0]}{$_[1]} = $_[2];
2257 } else {
2258 $DB->{$_[0]} = $_[1];
2259 }
2260 db_dirty;
2261 }
2262
2263 cf::global->attach (
2264 prio => 10000,
2265 on_cleanup => sub {
2266 db_sync;
2267 }, 3499 }
2268 );
2269}
2270 3500
2271############################################################################# 3501 while (my ($face, $info) = each %$faces) {
2272# the server's main() 3502 next unless $info->{smooth};
2273 3503
2274sub cfg_load { 3504 my $idx = cf::face::find $face
2275 open my $fh, "<:utf8", cf::confdir . "/config" 3505 or next;
2276 or return;
2277 3506
2278 local $/; 3507 if (my $smooth = cf::face::find $info->{smooth}) {
2279 *CFG = YAML::Syck::Load <$fh>; 3508 cf::face::set_smooth $idx, $smooth;
3509 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3510 } else {
3511 error "smooth face '$info->{smooth}' not found for face '$face'";
3512 }
2280 3513
3514 cf::cede_to_tick;
3515 }
3516 }
3517
3518 {
3519 my $anims = $facedata->{animinfo};
3520
3521 while (my ($anim, $info) = each %$anims) {
3522 cf::anim::set $anim, $info->{frames}, $info->{facings};
3523 cf::cede_to_tick;
3524 }
3525
3526 cf::anim::invalidate_all; # d'oh
3527 }
3528
3529 {
3530 my $res = $facedata->{resource};
3531
3532 while (my ($name, $info) = each %$res) {
3533 if (defined $info->{type}) {
3534 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3535
3536 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3537 cf::face::set_type $idx, $info->{type};
3538 } else {
3539 $RESOURCE{$name} = $info; # unused
3540 }
3541
3542 cf::cede_to_tick;
3543 }
3544 }
3545
3546 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3547
3548 1
3549}
3550
3551register_exticmd fx_want => sub {
3552 my ($ns, $want) = @_;
3553
3554 while (my ($k, $v) = each %$want) {
3555 $ns->fx_want ($k, $v);
3556 }
3557};
3558
3559sub load_resource_file($) {
3560 my $guard = lock_acquire "load_resource_file";
3561
3562 my $status = load_resource_file_ $_[0];
3563 get_slot 0.1, 100;
3564 cf::arch::commit_load;
3565
3566 $status
3567}
3568
3569sub reload_regions {
3570 # HACK to clear player env face cache, we need some signal framework
3571 # for this (global event?)
3572 %ext::player_env::MUSIC_FACE_CACHE = ();
3573
3574 load_resource_file "$MAPDIR/regions"
3575 or die "unable to load regions file\n";
3576
3577 for (cf::region::list) {
3578 $_->{match} = qr/$_->{match}/
3579 if exists $_->{match};
3580 }
3581}
3582
3583sub reload_facedata {
3584 load_facedata "$DATADIR/facedata"
3585 or die "unable to load facedata\n";
3586}
3587
3588sub reload_archetypes {
3589 load_resource_file "$DATADIR/archetypes"
3590 or die "unable to load archetypes\n";
3591}
3592
3593sub reload_treasures {
3594 load_resource_file "$DATADIR/treasures"
3595 or die "unable to load treasurelists\n";
3596}
3597
3598sub reload_sound {
3599 trace "loading sound config from $DATADIR/sound\n";
3600
3601 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3602
3603 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3604 my $sound = $soundconf->{compat}[$_]
3605 or next;
3606
3607 my $face = cf::face::find "sound/$sound->[1]";
3608 cf::sound::set $sound->[0] => $face;
3609 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3610 }
3611
3612 while (my ($k, $v) = each %{$soundconf->{event}}) {
3613 my $face = cf::face::find "sound/$v";
3614 cf::sound::set $k => $face;
3615 }
3616}
3617
3618sub reload_resources {
3619 trace "reloading resource files...\n";
3620
3621 reload_exp_table;
3622 reload_materials;
3623 reload_facedata;
3624 reload_sound;
3625 reload_archetypes;
3626 reload_regions;
3627 reload_treasures;
3628
3629 trace "finished reloading resource files\n";
3630}
3631
3632sub reload_config {
3633 trace "reloading config file...\n";
3634
3635 my $config = load_file "$CONFDIR/config";
3636 utf8::decode $config;
3637 *CFG = decode_yaml $config;
3638
2281 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3639 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282 3640
2283 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3641 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3642 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285 3643
2286 if (exists $CFG{mlockall}) { 3644 if (exists $CFG{mlockall}) {
… …
2290 }; 3648 };
2291 warn $@ if $@; 3649 warn $@ if $@;
2292 } 3650 }
2293} 3651}
2294 3652
3653sub pidfile() {
3654 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3655 or die "$PIDFILE: $!";
3656 flock $fh, &Fcntl::LOCK_EX
3657 or die "$PIDFILE: flock: $!";
3658 $fh
3659}
3660
3661# make sure only one server instance is running at any one time
3662sub atomic {
3663 my $fh = pidfile;
3664
3665 my $pid = <$fh>;
3666 kill 9, $pid if $pid > 0;
3667
3668 seek $fh, 0, 0;
3669 print $fh $$;
3670}
3671
3672sub main_loop {
3673 trace "EV::loop starting\n";
3674 if (1) {
3675 EV::loop;
3676 }
3677 trace "EV::loop returned\n";
3678 goto &main_loop unless $REALLY_UNLOOP;
3679}
3680
2295sub main { 3681sub main {
3682 cf::init_globals; # initialise logging
3683
3684 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3685 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3686 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3687 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3688
3689 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3690
2296 # we must not ever block the main coroutine 3691 # we must not ever block the main coroutine
2297 local $Coro::idle = sub { 3692 local $Coro::idle = sub {
2298 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3693 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299 (async { 3694 (async {
2300 Event::one_event; 3695 $Coro::current->{desc} = "IDLE BUG HANDLER";
3696 EV::loop EV::LOOP_ONESHOT;
2301 })->prio (Coro::PRIO_MAX); 3697 })->prio (Coro::PRIO_MAX);
2302 }; 3698 };
2303 3699
2304 cfg_load; 3700 evthread_start IO::AIO::poll_fileno;
2305 db_load; 3701
3702 cf::sync_job {
3703 cf::incloader::init ();
3704
3705 cf::init_anim;
3706 cf::init_attackmess;
3707 cf::init_dynamic;
3708
3709 cf::load_settings;
3710
3711 reload_resources;
3712 reload_config;
3713 db_init;
3714
3715 cf::init_uuid;
3716 cf::init_signals;
3717 cf::init_skills;
3718
3719 cf::init_beforeplay;
3720
3721 atomic;
3722
2306 load_extensions; 3723 load_extensions;
2307 3724
2308 $TICK_WATCHER->start; 3725 utime time, time, $RUNTIMEFILE;
2309 Event::loop; 3726
3727 # no (long-running) fork's whatsoever before this point(!)
3728 use POSIX ();
3729 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3730
3731 cf::_post_init 0;
3732 };
3733
3734 cf::object::thawer::errors_are_fatal 0;
3735 info "parse errors in files are no longer fatal from this point on.\n";
3736
3737 my $free_main; $free_main = EV::idle sub {
3738 undef $free_main;
3739 undef &main; # free gobs of memory :)
3740 };
3741
3742 goto &main_loop;
2310} 3743}
2311 3744
2312############################################################################# 3745#############################################################################
2313# initialisation and cleanup 3746# initialisation and cleanup
2314 3747
2315# install some emergency cleanup handlers 3748# install some emergency cleanup handlers
2316BEGIN { 3749BEGIN {
3750 our %SIGWATCHER = ();
2317 for my $signal (qw(INT HUP TERM)) { 3751 for my $signal (qw(INT HUP TERM)) {
2318 Event->signal ( 3752 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2319 reentrant => 0,
2320 data => WF_AUTOCANCEL,
2321 signal => $signal,
2322 prio => 0,
2323 cb => sub {
2324 cf::cleanup "SIG$signal"; 3753 cf::cleanup "SIG$signal";
2325 },
2326 ); 3754 };
3755 }
3756}
3757
3758sub write_runtime_sync {
3759 my $t0 = AE::time;
3760
3761 # first touch the runtime file to show we are still running:
3762 # the fsync below can take a very very long time.
3763
3764 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3765
3766 my $guard = cf::lock_acquire "write_runtime";
3767
3768 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3769 or return;
3770
3771 my $value = $cf::RUNTIME + 90 + 10;
3772 # 10 is the runtime save interval, for a monotonic clock
3773 # 60 allows for the watchdog to kill the server.
3774
3775 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3776 and return;
3777
3778 # always fsync - this file is important
3779 aio_fsync $fh
3780 and return;
3781
3782 # touch it again to show we are up-to-date
3783 aio_utime $fh, undef, undef;
3784
3785 close $fh
3786 or return;
3787
3788 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3789 and return;
3790
3791 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3792
2327 } 3793 1
3794}
3795
3796our $uuid_lock;
3797our $uuid_skip;
3798
3799sub write_uuid_sync($) {
3800 $uuid_skip ||= $_[0];
3801
3802 return if $uuid_lock;
3803 local $uuid_lock = 1;
3804
3805 my $uuid = "$LOCALDIR/uuid";
3806
3807 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3808 or return;
3809
3810 my $value = uuid_seq uuid_cur;
3811
3812 unless ($value) {
3813 info "cowardly refusing to write zero uuid value!\n";
3814 return;
3815 }
3816
3817 my $value = uuid_str $value + $uuid_skip;
3818 $uuid_skip = 0;
3819
3820 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3821 and return;
3822
3823 # always fsync - this file is important
3824 aio_fsync $fh
3825 and return;
3826
3827 close $fh
3828 or return;
3829
3830 aio_rename "$uuid~", $uuid
3831 and return;
3832
3833 trace "uuid file written ($value).\n";
3834
3835 1
3836
3837}
3838
3839sub write_uuid($$) {
3840 my ($skip, $sync) = @_;
3841
3842 $sync ? write_uuid_sync $skip
3843 : async { write_uuid_sync $skip };
2328} 3844}
2329 3845
2330sub emergency_save() { 3846sub emergency_save() {
2331 my $freeze_guard = cf::freeze_mainloop; 3847 my $freeze_guard = cf::freeze_mainloop;
2332 3848
2333 warn "enter emergency perl save\n"; 3849 info "emergency_perl_save: enter\n";
3850
3851 # this is a trade-off: we want to be very quick here, so
3852 # save all maps without fsync, and later call a global sync
3853 # (which in turn might be very very slow)
3854 local $USE_FSYNC = 0;
2334 3855
2335 cf::sync_job { 3856 cf::sync_job {
3857 cf::write_runtime_sync; # external watchdog should not bark
3858
2336 # use a peculiar iteration method to avoid tripping on perl 3859 # use a peculiar iteration method to avoid tripping on perl
2337 # refcount bugs in for. also avoids problems with players 3860 # refcount bugs in for. also avoids problems with players
2338 # and maps saved/destroyed asynchronously. 3861 # and maps saved/destroyed asynchronously.
2339 warn "begin emergency player save\n"; 3862 info "emergency_perl_save: begin player save\n";
2340 for my $login (keys %cf::PLAYER) { 3863 for my $login (keys %cf::PLAYER) {
2341 my $pl = $cf::PLAYER{$login} or next; 3864 my $pl = $cf::PLAYER{$login} or next;
2342 $pl->valid or next; 3865 $pl->valid or next;
3866 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343 $pl->save; 3867 $pl->save;
2344 } 3868 }
2345 warn "end emergency player save\n"; 3869 info "emergency_perl_save: end player save\n";
2346 3870
2347 warn "begin emergency map save\n"; 3871 cf::write_runtime_sync; # external watchdog should not bark
3872
3873 info "emergency_perl_save: begin map save\n";
2348 for my $path (keys %cf::MAP) { 3874 for my $path (keys %cf::MAP) {
2349 my $map = $cf::MAP{$path} or next; 3875 my $map = $cf::MAP{$path} or next;
2350 $map->valid or next; 3876 $map->valid or next;
2351 $map->save; 3877 $map->save;
2352 } 3878 }
2353 warn "end emergency map save\n"; 3879 info "emergency_perl_save: end map save\n";
3880
3881 cf::write_runtime_sync; # external watchdog should not bark
3882
3883 info "emergency_perl_save: begin database checkpoint\n";
3884 BDB::db_env_txn_checkpoint $DB_ENV;
3885 info "emergency_perl_save: end database checkpoint\n";
3886
3887 info "emergency_perl_save: begin write uuid\n";
3888 write_uuid_sync 1;
3889 info "emergency_perl_save: end write uuid\n";
3890
3891 cf::write_runtime_sync; # external watchdog should not bark
3892
3893 trace "emergency_perl_save: syncing database to disk";
3894 BDB::db_env_txn_checkpoint $DB_ENV;
3895
3896 info "emergency_perl_save: starting sync\n";
3897 IO::AIO::aio_sync sub {
3898 info "emergency_perl_save: finished sync\n";
3899 };
3900
3901 cf::write_runtime_sync; # external watchdog should not bark
3902
3903 trace "emergency_perl_save: flushing outstanding aio requests";
3904 while (IO::AIO::nreqs || BDB::nreqs) {
3905 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3906 }
3907
3908 cf::write_runtime_sync; # external watchdog should not bark
2354 }; 3909 };
2355 3910
2356 warn "leave emergency perl save\n"; 3911 info "emergency_perl_save: leave\n";
2357} 3912}
2358 3913
3914sub post_cleanup {
3915 my ($make_core) = @_;
3916
3917 IO::AIO::flush;
3918
3919 error Carp::longmess "post_cleanup backtrace"
3920 if $make_core;
3921
3922 my $fh = pidfile;
3923 unlink $PIDFILE if <$fh> == $$;
3924}
3925
3926# a safer delete_package, copied from Symbol
3927sub clear_package($) {
3928 my $pkg = shift;
3929
3930 # expand to full symbol table name if needed
3931 unless ($pkg =~ /^main::.*::$/) {
3932 $pkg = "main$pkg" if $pkg =~ /^::/;
3933 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3934 $pkg .= '::' unless $pkg =~ /::$/;
3935 }
3936
3937 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3938 my $stem_symtab = *{$stem}{HASH};
3939
3940 defined $stem_symtab and exists $stem_symtab->{$leaf}
3941 or return;
3942
3943 # clear all symbols
3944 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3945 for my $name (keys %$leaf_symtab) {
3946 _gv_clear *{"$pkg$name"};
3947# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3948 }
3949}
3950
2359sub reload() { 3951sub do_reload_perl() {
2360 # can/must only be called in main 3952 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 3953 unless (in_main) {
2362 warn "can only reload from main coroutine"; 3954 error "can only reload from main coroutine";
2363 return; 3955 return;
2364 } 3956 }
2365 3957
2366 warn "reloading..."; 3958 return if $RELOAD++;
2367 3959
2368 warn "cancelling server ticker"; 3960 my $t1 = AE::time;
2369 $TICK_WATCHER->cancel;
2370 3961
3962 while ($RELOAD) {
3963 cf::get_slot 0.1, -1, "reload_perl";
3964 info "perl_reload: reloading...";
3965
3966 trace "perl_reload: entering sync_job";
3967
3968 cf::sync_job {
2371 cf::emergency_save; 3969 #cf::emergency_save;
2372 3970
2373 eval {
2374 # if anything goes wrong in here, we should simply crash as we already saved
2375
2376 warn "syncing database to disk";
2377 cf::db_sync;
2378
2379 warn "cancelling all WF_AUTOCANCEL watchers";
2380 for (Event::all_watchers) {
2381 $_->cancel if $_->data & WF_AUTOCANCEL;
2382 }
2383
2384 warn "flushing outstanding aio requests";
2385 for (;;) {
2386 IO::AIO::flush;
2387 Coro::cede;
2388 last unless IO::AIO::nreqs;
2389 warn "iterate...";
2390 }
2391
2392 warn "cancelling all extension coros"; 3971 trace "perl_reload: cancelling all extension coros";
2393 $_->cancel for values %EXT_CORO; 3972 $_->cancel for values %EXT_CORO;
2394 %EXT_CORO = (); 3973 %EXT_CORO = ();
2395 3974
2396 warn "removing commands"; 3975 trace "perl_reload: removing commands";
2397 %COMMAND = (); 3976 %COMMAND = ();
2398 3977
2399 warn "removing ext commands"; 3978 trace "perl_reload: removing ext/exti commands";
2400 %EXTCMD = (); 3979 %EXTCMD = ();
3980 %EXTICMD = ();
2401 3981
2402 warn "unloading/nuking all extensions"; 3982 trace "perl_reload: unloading/nuking all extensions";
2403 for my $pkg (@EXTS) { 3983 for my $pkg (@EXTS) {
2404 warn "... unloading $pkg"; 3984 trace "... unloading $pkg";
2405 3985
2406 if (my $cb = $pkg->can ("unload")) { 3986 if (my $cb = $pkg->can ("unload")) {
2407 eval { 3987 eval {
2408 $cb->($pkg); 3988 $cb->($pkg);
2409 1 3989 1
2410 } or warn "$pkg unloaded, but with errors: $@"; 3990 } or error "$pkg unloaded, but with errors: $@";
3991 }
3992
3993 trace "... clearing $pkg";
3994 clear_package $pkg;
2411 } 3995 }
2412 3996
2413 warn "... nuking $pkg";
2414 Symbol::delete_package $pkg;
2415 }
2416
2417 warn "unloading all perl modules loaded from $LIBDIR"; 3997 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418 while (my ($k, $v) = each %INC) { 3998 while (my ($k, $v) = each %INC) {
2419 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3999 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420 4000
2421 warn "... unloading $k"; 4001 trace "... unloading $k";
2422 delete $INC{$k}; 4002 delete $INC{$k};
2423 4003
2424 $k =~ s/\.pm$//; 4004 $k =~ s/\.pm$//;
2425 $k =~ s/\//::/g; 4005 $k =~ s/\//::/g;
2426 4006
2427 if (my $cb = $k->can ("unload_module")) { 4007 if (my $cb = $k->can ("unload_module")) {
2428 $cb->(); 4008 $cb->();
4009 }
4010
4011 clear_package $k;
2429 } 4012 }
2430 4013
2431 Symbol::delete_package $k;
2432 }
2433
2434 warn "getting rid of safe::, as good as possible"; 4014 trace "perl_reload: getting rid of safe::, as good as possible";
2435 Symbol::delete_package "safe::$_" 4015 clear_package "safe::$_"
2436 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 4016 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437 4017
2438 warn "unloading cf.pm \"a bit\""; 4018 trace "perl_reload: unloading cf.pm \"a bit\"";
2439 delete $INC{"cf.pm"}; 4019 delete $INC{"cf.pm"};
4020 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440 4021
2441 # don't, removes xs symbols, too, 4022 # don't, removes xs symbols, too,
2442 # and global variables created in xs 4023 # and global variables created in xs
2443 #Symbol::delete_package __PACKAGE__; 4024 #clear_package __PACKAGE__;
2444 4025
2445 warn "unload completed, starting to reload now"; 4026 info "perl_reload: unload completed, starting to reload now";
2446 4027
2447 warn "reloading cf.pm"; 4028 trace "perl_reload: reloading cf.pm";
2448 require cf; 4029 require cf;
2449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4030 cf::_connect_to_perl_1;
2450 4031
2451 warn "loading config and database again"; 4032 trace "perl_reload: loading config and database again";
2452 cf::cfg_load; 4033 cf::reload_config;
2453 cf::db_load;
2454 4034
2455 warn "loading extensions"; 4035 trace "perl_reload: loading extensions";
2456 cf::load_extensions; 4036 cf::load_extensions;
2457 4037
4038 if ($REATTACH_ON_RELOAD) {
2458 warn "reattaching attachments to objects/players"; 4039 trace "perl_reload: reattaching attachments to objects/players";
2459 _global_reattach; 4040 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 4041 trace "perl_reload: reattaching attachments to maps";
2461 reattach $_ for values %MAP; 4042 reattach $_ for values %MAP;
4043 trace "perl_reload: reattaching attachments to players";
4044 reattach $_ for values %PLAYER;
4045 }
2462 4046
2463 warn "restarting server ticker"; 4047 cf::_post_init 1;
2464 4048
2465 $TICK_WATCHER->start; 4049 trace "perl_reload: leaving sync_job";
4050
4051 1
4052 } or do {
4053 error $@;
4054 cf::cleanup "perl_reload: error, exiting.";
4055 };
4056
4057 --$RELOAD;
4058 }
4059
4060 $t1 = AE::time - $t1;
4061 info "perl_reload: completed in ${t1}s\n";
4062};
4063
4064our $RELOAD_WATCHER; # used only during reload
4065
4066sub reload_perl() {
4067 # doing reload synchronously and two reloads happen back-to-back,
4068 # coro crashes during coro_state_free->destroy here.
4069
4070 $RELOAD_WATCHER ||= cf::async {
4071 Coro::AIO::aio_wait cache_extensions;
4072
4073 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
4074 do_reload_perl;
4075 undef $RELOAD_WATCHER;
4076 };
2466 }; 4077 };
2467 4078}
2468 if ($@) {
2469 warn $@;
2470 warn "error while reloading, exiting.";
2471 exit 1;
2472 }
2473
2474 warn "reloaded";
2475};
2476
2477our $RELOAD_WATCHER; # used only during reload
2478 4079
2479register_command "reload" => sub { 4080register_command "reload" => sub {
2480 my ($who, $arg) = @_; 4081 my ($who, $arg) = @_;
2481 4082
2482 if ($who->flag (FLAG_WIZ)) { 4083 if ($who->flag (FLAG_WIZ)) {
2483 $who->message ("reloading server."); 4084 $who->message ("reloading server.");
2484 4085 async {
2485 # doing reload synchronously and two reloads happen back-to-back, 4086 $Coro::current->{desc} = "perl_reload";
2486 # coro crashes during coro_state_free->destroy here.
2487
2488 $RELOAD_WATCHER ||= Event->timer (
2489 reentrant => 0,
2490 after => 0,
2491 data => WF_AUTOCANCEL,
2492 cb => sub {
2493 reload; 4087 reload_perl;
2494 undef $RELOAD_WATCHER;
2495 },
2496 ); 4088 };
2497 } 4089 }
2498}; 4090};
2499 4091
2500unshift @INC, $LIBDIR; 4092#############################################################################
2501 4093
2502my $bug_warning = 0; 4094my $bug_warning = 0;
2503 4095
2504$TICK_WATCHER = Event->timer ( 4096our @WAIT_FOR_TICK;
2505 reentrant => 0, 4097our @WAIT_FOR_TICK_BEGIN;
2506 parked => 1, 4098
2507 prio => 0, 4099sub wait_for_tick() {
2508 at => $NEXT_TICK || $TICK, 4100 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2509 data => WF_AUTOCANCEL, 4101
2510 cb => sub { 4102 my $signal = new Coro::Signal;
4103 push @WAIT_FOR_TICK, $signal;
4104 $signal->wait;
4105}
4106
4107sub wait_for_tick_begin() {
4108 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4109
4110 my $signal = new Coro::Signal;
4111 push @WAIT_FOR_TICK_BEGIN, $signal;
4112 $signal->wait;
4113}
4114
4115sub tick {
2511 if ($Coro::current != $Coro::main) { 4116 if ($Coro::current != $Coro::main) {
2512 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4117 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513 unless ++$bug_warning > 10; 4118 unless ++$bug_warning > 10;
2514 return; 4119 return;
2515 } 4120 }
2516 4121
2517 $NOW = Event::time;
2518
2519 cf::server_tick; # one server iteration 4122 cf::server_tick; # one server iteration
2520 $RUNTIME += $TICK;
2521 $NEXT_TICK += $TICK;
2522 4123
2523 $WAIT_FOR_TICK->broadcast; 4124 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2524 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525 4125
2526 Event::sweep; 4126 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527 Coro::cede_notself; 4127 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
4128 Coro::async_pool {
4129 $Coro::current->{desc} = "runtime saver";
4130 write_runtime_sync
4131 or error "ERROR: unable to write runtime file: $!";
4132 };
4133 }
4134
4135 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4136 $sig->send;
4137 }
4138 while (my $sig = shift @WAIT_FOR_TICK) {
4139 $sig->send;
4140 }
4141
4142 $LOAD = ($NOW - $TICK_START) / $TICK;
4143 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4144
4145 if (0) {
4146 if ($NEXT_TICK) {
4147 my $jitter = $TICK_START - $NEXT_TICK;
4148 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4149 debug "jitter $JITTER\n";#d#
2528 4150 }
2529# my $AFTER = Event::time;
2530# warn $AFTER - $NOW;#d#
2531
2532 # if we are delayed by four ticks or more, skip them all
2533 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535 $TICK_WATCHER->at ($NEXT_TICK);
2536 $TICK_WATCHER->start;
2537 }, 4151 }
2538); 4152}
2539 4153
4154{
4155 # configure BDB
4156
4157 BDB::min_parallel 16;
4158 BDB::max_poll_reqs $TICK * 0.1;
4159 $AnyEvent::BDB::WATCHER->priority (1);
4160
4161 unless ($DB_ENV) {
4162 $DB_ENV = BDB::db_env_create;
4163 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4164 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4165 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4166 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4167 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4168
4169 cf::sync_job {
4170 eval {
4171 BDB::db_env_open
4172 $DB_ENV,
4173 $BDBDIR,
4174 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4175 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4176 0666;
4177
4178 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4179 };
4180
4181 cf::cleanup "db_env_open(db): $@" if $@;
4182 };
4183 }
4184
4185 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4186 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4187 };
4188 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4189 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4190 };
4191 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4192 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4193 };
4194}
4195
4196{
4197 # configure IO::AIO
4198
4199 IO::AIO::min_parallel 8;
2540IO::AIO::max_poll_time $TICK * 0.1; 4200 IO::AIO::max_poll_time $TICK * 0.1;
4201 undef $AnyEvent::AIO::WATCHER;
4202}
2541 4203
2542undef $Coro::AIO::WATCHER; 4204our $_log_backtrace;
2543$AIO_POLL_WATCHER = Event->io ( 4205our $_log_backtrace_last;
2544 reentrant => 0,
2545 fd => IO::AIO::poll_fileno,
2546 poll => 'r',
2547 prio => 6,
2548 data => WF_AUTOCANCEL,
2549 cb => \&IO::AIO::poll_cb,
2550);
2551 4206
2552$WRITE_RUNTIME_WATCHER = Event->timer ( 4207sub _log_backtrace {
2553 reentrant => 0, 4208 my ($msg, @addr) = @_;
2554 data => WF_AUTOCANCEL, 4209
2555 after => 1, 4210 $msg =~ s/\n$//;
2556 interval => 10, 4211
2557 prio => 6, # keep it lowest so it acts like a watchdog 4212 if ($_log_backtrace_last eq $msg) {
2558 cb => Coro::unblock_sub { 4213 LOG llevInfo, "[ABT] $msg\n";
2559 write_runtime 4214 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560 or warn "ERROR: unable to write runtime file: $!"; 4215 # limit the # of concurrent backtraces
4216 } elsif ($_log_backtrace < 2) {
4217 $_log_backtrace_last = $msg;
4218 ++$_log_backtrace;
4219 my $perl_bt = Carp::longmess $msg;
4220 async {
4221 $Coro::current->{desc} = "abt $msg";
4222
4223 my @bt = fork_call {
4224 @addr = map { sprintf "%x", $_ } @addr;
4225 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4226 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4227 or die "addr2line: $!";
4228
4229 my @funcs;
4230 my @res = <$fh>;
4231 chomp for @res;
4232 while (@res) {
4233 my ($func, $line) = splice @res, 0, 2, ();
4234 push @funcs, "[$func] $line";
4235 }
4236
4237 @funcs
4238 };
4239
4240 LOG llevInfo, "[ABT] $perl_bt\n";
4241 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4242 LOG llevInfo, "[ABT] $_\n" for @bt;
4243 --$_log_backtrace;
4244 };
4245 } else {
4246 LOG llevInfo, "[ABT] $msg\n";
4247 LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561 }, 4248 }
2562); 4249}
4250
4251# load additional modules
4252require "cf/$_.pm" for @EXTRA_MODULES;
4253cf::_connect_to_perl_2;
2563 4254
2564END { cf::emergency_save } 4255END { cf::emergency_save }
2565 4256
25661 42571
2567 4258

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