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Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 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 ();
20use BDB (); 54use BDB ();
21use Data::Dumper; 55use Data::Dumper;
22use Digest::MD5;
23use Fcntl; 56use Fcntl;
24use IO::AIO 2.32 ();
25use YAML::Syck (); 57use YAML::XS ();
58use IO::AIO ();
26use Time::HiRes; 59use Time::HiRes;
27use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
28 62
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";
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 75
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32 78
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 80
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 81our @ORIG_INC;
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 82
40our %COMMAND = (); 83our %COMMAND = ();
41our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
42 85
43our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
47 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
48our @EVENT; 93our @EVENT;
49our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
50 96
51our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
52our $TICK_WATCHER; 98
53our $AIO_POLL_WATCHER; 99our $DATADIR = datadir;
54our $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
55our $NEXT_TICK; 123our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 124our $USE_FSYNC = 1; # use fsync to write maps - default on
58 125
126our $BDB_DEADLOCK_WATCHER;
127our $BDB_CHECKPOINT_WATCHER;
59our $BDB_POLL_WATCHER; 128our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 129our $DB_ENV;
130
131our @EXTRA_MODULES = qw(pod match mapscript incloader);
61 132
62our %CFG; 133our %CFG;
63 134
64our $UPTIME; $UPTIME ||= time; 135our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 136our $RUNTIME;
137our $NOW;
66 138
67our %PLAYER; # all users 139our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 140our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 141our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 142
76# 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 ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 144our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 145
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 $REALLY_UNLOOP; # never set to true, please :)
155
79binmode STDOUT; 156binmode STDOUT;
80binmode STDERR; 157binmode STDERR;
81 158
82# read virtual server time, if available 159# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 160unless ($RUNTIME || !-e $RUNTIMEFILE) {
84 open my $fh, "<", cf::localdir . "/runtime" 161 open my $fh, "<", $RUNTIMEFILE
85 or die "unable to read runtime file: $!"; 162 or die "unable to read $RUNTIMEFILE file: $!";
86 $RUNTIME = <$fh> + 0.; 163 $RUNTIME = <$fh> + 0.;
87} 164}
88 165
89mkdir cf::localdir; 166eval "sub TICK() { $TICK } 1" or die;
90mkdir cf::localdir . "/" . cf::playerdir; 167
91mkdir cf::localdir . "/" . cf::tmpdir; 168mkdir $_
92mkdir cf::localdir . "/" . cf::uniquedir; 169 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 170
96our $EMERGENCY_POSITION; 171our $EMERGENCY_POSITION;
97 172
98sub 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::"} };
99 189
100############################################################################# 190#############################################################################
101 191
102=head2 GLOBAL VARIABLES 192=head2 GLOBAL VARIABLES
103 193
… …
110=item $cf::RUNTIME 200=item $cf::RUNTIME
111 201
112The 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
113every server tick. 203every server tick.
114 204
115=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
116 208
117The perl library directory, where extensions and cf-specific modules can 209Various directories - "/etc", read-only install directory, perl-library
118be 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.
119 213
120=item $cf::NOW 214=item $cf::NOW
121 215
122The time of the last (current) server tick. 216The time of the last (current) server tick.
123 217
124=item $cf::TICK 218=item $cf::TICK
125 219
126The interval between server ticks, in seconds. 220The interval between server ticks, in seconds.
127 221
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
128=item %cf::CFG 232=item %cf::CFG
129 233
130Configuration for the server, loaded from C</etc/crossfire/config>, or 234Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 235from wherever your confdir points to.
132 236
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 237=item cf::wait_for_tick, cf::wait_for_tick_begin
134 238
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 239These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 240returns directly I<after> the tick processing (and consequently, can only wake one thread
137processing has been done. Call C<< ->wait >> on them to maximise the 241per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 242
243=cut
244
245sub wait_for_tick();
246sub wait_for_tick_begin();
247
248=item @cf::INVOKE_RESULTS
249
250This array contains the results of the last C<invoke ()> call. When
251C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
252that call.
253
254=item %cf::REFLECT
255
256Contains, for each (C++) class name, a hash reference with information
257about object members (methods, scalars, arrays and flags) and other
258metadata, which is useful for introspection.
139 259
140=back 260=back
141 261
142=cut 262=cut
143 263
144BEGIN { 264sub error(@) { LOG llevError, join "", @_ }
145 *CORE::GLOBAL::warn = sub { 265sub warn (@) { LOG llevWarn , join "", @_ }
266sub info (@) { LOG llevInfo , join "", @_ }
267sub debug(@) { LOG llevDebug, join "", @_ }
268sub trace(@) { LOG llevTrace, join "", @_ }
269
270$Coro::State::WARNHOOK = sub {
146 my $msg = join "", @_; 271 my $msg = join "", @_;
147 utf8::encode $msg;
148 272
149 $msg .= "\n" 273 $msg .= "\n"
150 unless $msg =~ /\n$/; 274 unless $msg =~ /\n$/;
151 275
276 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
277
152 LOG llevError, $msg; 278 LOG llevWarn, $msg;
153 }; 279};
154} 280
281$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};
155 294
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 295@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 296@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 297@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 298@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@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';
161@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)
162 302
163# 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
164# within the Safe compartment. 304# within the Safe compartment.
165for my $pkg (qw( 305for my $pkg (qw(
166 cf::global cf::attachable 306 cf::global cf::attachable
167 cf::object cf::object::player 307 cf::object cf::object::player
168 cf::client cf::player 308 cf::client cf::player
169 cf::arch cf::living 309 cf::arch cf::living
310 cf::map cf::mapspace
170 cf::map cf::party cf::region 311 cf::party cf::region
171)) { 312)) {
172 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 313 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 314}
175 315
176$Event::DIED = sub { 316$EV::DIED = sub {
177 warn "error in event callback: @_"; 317 Carp::cluck "error in event callback: @_";
178}; 318};
319
320#############################################################################
321
322sub fork_call(&@);
323sub get_slot($;$$);
324
325#############################################################################
179 326
180=head2 UTILITY FUNCTIONS 327=head2 UTILITY FUNCTIONS
181 328
182=over 4 329=over 4
183 330
… …
202 $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;
203 $d 350 $d
204 } || "[unable to dump $_[0]: '$@']"; 351 } || "[unable to dump $_[0]: '$@']";
205} 352}
206 353
207use JSON::Syck (); # TODO# replace by JSON::PC once working 354=item $scalar = load_file $path
208 355
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
209=item $ref = cf::from_json $json 368=item $ref = cf::decode_json $json
210 369
211Converts a JSON string into the corresponding perl data structure. 370Converts a JSON string into the corresponding perl data structure.
212 371
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 372=item $json = cf::encode_json $ref
221 373
222Converts a perl data structure into its JSON representation. 374Converts a perl data structure into its JSON representation.
223 375
224=cut 376=cut
225 377
226sub to_json($) { 378our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 379
228 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 }
229} 443}
230 444
231=item cf::lock_wait $string 445=item cf::lock_wait $string
232 446
233Wait until the given lock is available. See cf::lock_acquire. 447Wait until the given lock is available. See cf::lock_acquire.
234 448
235=item my $lock = cf::lock_acquire $string 449=item my $lock = cf::lock_acquire $string
236 450
237Wait 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
238a 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,
239for example when the coroutine gets canceled), the lock is automatically 453for example when the coroutine gets canceled), the lock is automatically
240returned. 454returned.
241 455
456Locks are *not* recursive, locking from the same coro twice results in a
457deadlocked coro.
458
242Lock 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
243uses map_find and cf::map::load uses map_load). 460uses map_find and cf::map::load uses map_load).
244 461
245=cut 462=item $locked = cf::lock_active $string
246 463
247our %LOCK; 464Return true if the lock is currently active, i.e. somebody has locked it.
465
466=cut
467
468our $LOCKS = new Coro::SemaphoreSet;
248 469
249sub lock_wait($) { 470sub lock_wait($) {
250 my ($key) = @_; 471 $LOCKS->wait ($_[0]);
251
252 # wait for lock, if any
253 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule;
256 }
257} 472}
258 473
259sub lock_acquire($) { 474sub lock_acquire($) {
260 my ($key) = @_; 475 $LOCKS->guard ($_[0])
476}
261 477
262 # wait, to be sure we are not locked 478sub lock_active($) {
263 lock_wait $key; 479 $LOCKS->count ($_[0]) < 1
264
265 $LOCK{$key} = [];
266
267 Coro::guard {
268 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} };
270 }
271} 480}
272 481
273sub freeze_mainloop { 482sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 483 tick_inhibit_inc;
275 484
276 my $guard = Coro::guard { 485 &Guard::guard (\&tick_inhibit_dec);
277 $TICK_WATCHER->start; 486}
278 $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 }
279 }; 556 }
280 $WRITE_RUNTIME_WATCHER->stop; 557};
281 $TICK_WATCHER->stop; 558
282 $guard 559sub get_slot($;$$) {
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;
283} 572}
284 573
285=item cf::async { BLOCK } 574=item cf::async { BLOCK }
286 575
287Currently the same as Coro::async_pool, meaning you cannot use 576Currently the same as Coro::async_pool, meaning you cannot use
… …
292 581
293BEGIN { *async = \&Coro::async_pool } 582BEGIN { *async = \&Coro::async_pool }
294 583
295=item cf::sync_job { BLOCK } 584=item cf::sync_job { BLOCK }
296 585
297The design of crossfire+ requires that the main coro ($Coro::main) is 586The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 587is always able to handle events or runnable, as Deliantra is only
299reentrant. 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.
300 590
301If 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
302the given BLOCK in another coroutine while waiting for the result. The 592the given BLOCK in another coroutine while waiting for the result. The
303server 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
304fast or be very important. 594fast or be very important.
… …
306=cut 596=cut
307 597
308sub sync_job(&) { 598sub sync_job(&) {
309 my ($job) = @_; 599 my ($job) = @_;
310 600
311 if ($Coro::current == $Coro::main) { 601 if (in_main) {
602 my $time = AE::time;
603
312 # this is the main coro, too bad, we have to block 604 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 605 # till the operation succeeds, freezing the server :/
314 606
315 # TODO: use suspend/resume instead 607 #LOG llevError, Carp::longmess "sync job";#d#
316 # (but this is cancel-safe) 608
317 my $freeze_guard = freeze_mainloop; 609 my $freeze_guard = freeze_mainloop;
318 610
319 my $busy = 1; 611 my $busy = 1;
320 my @res; 612 my @res;
321 613
322 (async { 614 (async {
615 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 616 @res = eval { $job->() };
324 warn $@ if $@; 617 error $@ if $@;
325 undef $busy; 618 undef $busy;
326 })->prio (Coro::PRIO_MAX); 619 })->prio (Coro::PRIO_MAX);
327 620
328 while ($busy) { 621 while ($busy) {
329 Coro::cede or Event::one_event; 622 if (Coro::nready) {
623 Coro::cede_notself;
624 } else {
625 EV::loop EV::LOOP_ONESHOT;
330 } 626 }
627 }
628
629 my $time = AE::time - $time;
630
631 $TICK_START += $time; # do not account sync jobs to server load
331 632
332 wantarray ? @res : $res[0] 633 wantarray ? @res : $res[0]
333 } else { 634 } else {
334 # we are in another coroutine, how wonderful, everything just works 635 # we are in another coroutine, how wonderful, everything just works
335 636
… …
355 $EXT_CORO{$coro+0} = $coro; 656 $EXT_CORO{$coro+0} = $coro;
356 657
357 $coro 658 $coro
358} 659}
359 660
360sub write_runtime { 661=item fork_call { }, @args
361 my $runtime = cf::localdir . "/runtime";
362 662
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 663Executes the given code block with the given arguments in a seperate
364 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.
365 667
366 my $value = $cf::RUNTIME + 90 + 10; 668=cut
367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369 669
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 670sub post_fork {
371 and return; 671 reset_signals;
672}
372 673
373 # always fsync - this file is important 674sub fork_call(&@) {
374 aio_fsync $fh 675 my ($cb, @args) = @_;
375 and return;
376 676
377 close $fh 677 # we seemingly have to make a local copy of the whole thing,
378 or return; 678 # otherwise perl prematurely frees the stuff :/
679 # TODO: investigate and fix (likely this will be rather laborious)
379 680
380 aio_rename "$runtime~", $runtime 681 my @res = Coro::Util::fork_eval {
381 and return; 682 cf::post_fork;
683 &$cb
684 } @args;
382 685
686 wantarray ? @res : $res[-1]
687}
688
689sub objinfo {
383 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 });
384} 864}
385 865
386=back 866=back
387 867
388=cut 868=cut
389 869
390############################################################################# 870#############################################################################
391 871
392=head2 ATTACHABLE OBJECTS 872=head2 ATTACHABLE OBJECTS
393 873
394Many 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
395attach callbacks/event handlers (a collection of which is called an "attachment") 875attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 876to it. All such attachable objects support the following methods.
397 877
398In 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>
399C<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
400crossfire+). 880Deliantra).
401 881
402=over 4 882=over 4
403 883
404=item $attachable->attach ($attachment, key => $value...) 884=item $attachable->attach ($attachment, key => $value...)
405 885
… …
449=item cf::CLASS::attachment $name, ... 929=item cf::CLASS::attachment $name, ...
450 930
451Register an attachment by C<$name> through which attachable objects of the 931Register an attachment by C<$name> through which attachable objects of the
452given CLASS can refer to this attachment. 932given CLASS can refer to this attachment.
453 933
454Some classes such as crossfire maps and objects can specify attachments 934Some classes such as deliantra maps and objects can specify attachments
455that 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.
456 936
457These calls expect any number of the following handler/hook descriptions: 937These calls expect any number of the following handler/hook descriptions:
458 938
459=over 4 939=over 4
… …
568 $registry = $CB_TYPE[$object_type] ||= []; 1048 $registry = $CB_TYPE[$object_type] ||= [];
569 1049
570 } elsif ($type eq "subtype") { 1050 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 1051 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 1052 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 1053 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 1054
575 } elsif ($type eq "package") { 1055 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 1056 my $pkg = shift @arg;
577 1057
578 while (my ($name, $id) = each %cb_id) { 1058 while (my ($name, $id) = each %cb_id) {
… …
583 1063
584 } elsif (exists $cb_id{$type}) { 1064 } elsif (exists $cb_id{$type}) {
585 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1065 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586 1066
587 } elsif (ref $type) { 1067 } elsif (ref $type) {
588 warn "attaching objects not supported, ignoring.\n"; 1068 error "attaching objects not supported, ignoring.\n";
589 1069
590 } else { 1070 } else {
591 shift @arg; 1071 shift @arg;
592 warn "attach argument '$type' not supported, ignoring.\n"; 1072 error "attach argument '$type' not supported, ignoring.\n";
593 } 1073 }
594 } 1074 }
595} 1075}
596 1076
597sub _object_attach { 1077sub _object_attach {
… …
607 _attach $registry, $klass, @attach; 1087 _attach $registry, $klass, @attach;
608 } 1088 }
609 1089
610 $obj->{$name} = \%arg; 1090 $obj->{$name} = \%arg;
611 } else { 1091 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 1092 info "object uses attachment '$name' which is not available, postponing.\n";
613 } 1093 }
614 1094
615 $obj->{_attachment}{$name} = undef; 1095 $obj->{_attachment}{$name} = undef;
616} 1096}
617 1097
… …
619 if (ref $_[0]) { 1099 if (ref $_[0]) {
620 _object_attach @_; 1100 _object_attach @_;
621 } else { 1101 } else {
622 _attach shift->_attach_registry, @_; 1102 _attach shift->_attach_registry, @_;
623 } 1103 }
1104 _recalc_want;
624}; 1105};
625 1106
626# all those should be optimised 1107# all those should be optimised
627sub cf::attachable::detach { 1108sub cf::attachable::detach {
628 my ($obj, $name) = @_; 1109 my ($obj, $name) = @_;
… …
631 delete $obj->{_attachment}{$name}; 1112 delete $obj->{_attachment}{$name};
632 reattach ($obj); 1113 reattach ($obj);
633 } else { 1114 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 1115 Carp::croak "cannot, currently, detach class attachments";
635 } 1116 }
1117 _recalc_want;
636}; 1118};
637 1119
638sub cf::attachable::attached { 1120sub cf::attachable::attached {
639 my ($obj, $name) = @_; 1121 my ($obj, $name) = @_;
640 1122
… …
655 "; 1137 ";
656 die if $@; 1138 die if $@;
657} 1139}
658 1140
659our $override; 1141our $override;
660our @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?
661 1143
662sub override { 1144sub override {
663 $override = 1; 1145 $override = 1;
664 @invoke_results = (); 1146 @INVOKE_RESULTS = (@_);
665} 1147}
666 1148
667sub do_invoke { 1149sub do_invoke {
668 my $event = shift; 1150 my $event = shift;
669 my $callbacks = shift; 1151 my $callbacks = shift;
670 1152
671 @invoke_results = (); 1153 @INVOKE_RESULTS = ();
672 1154
673 local $override; 1155 local $override;
674 1156
675 for (@$callbacks) { 1157 for (@$callbacks) {
676 eval { &{$_->[1]} }; 1158 eval { &{$_->[1]} };
677 1159
678 if ($@) { 1160 if ($@) {
679 warn "$@";
680 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1161 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681 override; 1162 override;
682 } 1163 }
683 1164
684 return 1 if $override; 1165 return 1 if $override;
685 } 1166 }
686 1167
687 0 1168 0
688} 1169}
689 1170
690=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1171=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691 1172
692=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1173=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693 1174
694Generate an object-specific event with the given arguments. 1175Generate an object-specific event with the given arguments.
695 1176
696This 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
697removed 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
698results (if you must, access C<@cf::invoke_results> directly). 1179results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 1180
700=back 1181=back
701 1182
702=cut 1183=cut
703 1184
704############################################################################# 1185#############################################################################
705# 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}
706 1229
707sub reattach { 1230sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1231 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1232 my ($obj) = @_;
710 1233
1234 # no longer needed after getting rid of delete_package?
711 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
712 1236
713 my $registry = $obj->registry; 1237 my $registry = $obj->registry;
714 1238
715 @$registry = (); 1239 @$registry = ();
716 1240
… …
721 for (@$attach) { 1245 for (@$attach) {
722 my ($klass, @attach) = @$_; 1246 my ($klass, @attach) = @$_;
723 _attach $registry, $klass, @attach; 1247 _attach $registry, $klass, @attach;
724 } 1248 }
725 } else { 1249 } else {
726 warn "object uses attachment '$name' that is not available, postponing.\n"; 1250 info "object uses attachment '$name' that is not available, postponing.\n";
727 } 1251 }
728 } 1252 }
729} 1253}
730 1254
731cf::attachable->attach ( 1255cf::attachable->attach (
732 prio => -1000000, 1256 prio => -1000000,
733 on_instantiate => sub { 1257 on_instantiate => sub {
734 my ($obj, $data) = @_; 1258 my ($obj, $data) = @_;
735 1259
736 $data = from_json $data; 1260 $data = decode_json $data;
737 1261
738 for (@$data) { 1262 for (@$data) {
739 my ($name, $args) = @$_; 1263 my ($name, $args) = @$_;
740 1264
741 $obj->attach ($name, %{$args || {} }); 1265 $obj->attach ($name, %{$args || {} });
… …
757sub object_freezer_save { 1281sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1282 my ($filename, $rdata, $objs) = @_;
759 1283
760 sync_job { 1284 sync_job {
761 if (length $$rdata) { 1285 if (length $$rdata) {
1286 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1287 trace sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1288 $decname, length $$rdata, scalar @$objs
1289 if $VERBOSE_IO;
764 1290
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1291 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1292 aio_chmod $fh, SAVE_MODE;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1293 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 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;
1296 aio_fsync $fh;
1297 }
769 close $fh; 1298 aio_close $fh;
770 1299
771 if (@$objs) { 1300 if (@$objs) {
772 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) {
773 chmod SAVE_MODE, $fh; 1302 aio_chmod $fh, SAVE_MODE;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1303 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1304 aio_write $fh, 0, (length $data), $data, 0;
776 aio_fsync $fh if $cf::USE_FSYNC; 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;
1307 aio_fsync $fh;
1308 }
777 close $fh; 1309 aio_close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1310 aio_rename "$filename.pst~", "$filename.pst";
779 } 1311 }
780 } else { 1312 } else {
781 aio_unlink "$filename.pst"; 1313 aio_unlink "$filename.pst";
782 } 1314 }
783 1315
784 aio_rename "$filename~", $filename; 1316 aio_rename "$filename~", $filename;
1317
1318 $filename =~ s%/[^/]+$%%;
1319 aio_pathsync $filename if $cf::USE_FSYNC;
785 } else { 1320 } else {
786 warn "FATAL: $filename~: $!\n"; 1321 error "unable to save objects: $filename~: $!\n";
787 } 1322 }
788 } else { 1323 } else {
789 aio_unlink $filename; 1324 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1325 aio_unlink "$filename.pst";
791 } 1326 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 1327 };
799} 1328}
800 1329
801sub object_freezer_as_string { 1330sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 1331 my ($rdata, $objs) = @_;
803 1332
… …
808 1337
809sub object_thawer_load { 1338sub object_thawer_load {
810 my ($filename) = @_; 1339 my ($filename) = @_;
811 1340
812 my ($data, $av); 1341 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 1342
817 (aio_load $filename, $data) >= 0 1343 (aio_load $filename, $data) >= 0
818 or return; 1344 or return;
819 1345
820 unless (aio_stat "$filename.pst") { 1346 unless (aio_stat "$filename.pst") {
821 (aio_load "$filename.pst", $av) >= 0 1347 (aio_load "$filename.pst", $av) >= 0
822 or return; 1348 or return;
1349
823 $av = eval { (Storable::thaw $av)->{objs} }; 1350 my $st = eval { Coro::Storable::thaw $av };
1351 $av = $st->{objs};
824 } 1352 }
825 1353
1354 utf8::decode (my $decname = $filename);
826 warn sprintf "loading %s (%d)\n", 1355 trace sprintf "loading %s (%d,%d)\n",
827 $filename, length $data, scalar @{$av || []};#d# 1356 $decname, length $data, scalar @{$av || []}
1357 if $VERBOSE_IO;
1358
828 return ($data, $av); 1359 ($data, $av)
829} 1360}
1361
1362=head2 COMMAND CALLBACKS
1363
1364=over 4
1365
1366=cut
830 1367
831############################################################################# 1368#############################################################################
832# command handling &c 1369# command handling &c
833 1370
834=item cf::register_command $name => \&callback($ob,$args); 1371=item cf::register_command $name => \&callback($ob,$args);
… …
847 push @{ $COMMAND{$name} }, [$caller, $cb]; 1384 push @{ $COMMAND{$name} }, [$caller, $cb];
848} 1385}
849 1386
850=item cf::register_extcmd $name => \&callback($pl,$packet); 1387=item cf::register_extcmd $name => \&callback($pl,$packet);
851 1388
852Register 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.
853 1394
854If 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
855called. 1396called.
856 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
857=cut 1409=cut
858 1410
859sub register_extcmd { 1411sub register_extcmd {
860 my ($name, $cb) = @_; 1412 my ($name, $cb) = @_;
861 1413
862 $EXTCMD{$name} = $cb; 1414 $EXTCMD{$name} = $cb;
863} 1415}
864 1416
1417sub register_exticmd {
1418 my ($name, $cb) = @_;
1419
1420 $EXTICMD{$name} = $cb;
1421}
1422
1423use File::Glob ();
1424
865cf::player->attach ( 1425cf::player->attach (
866 on_command => sub { 1426 on_unknown_command => sub {
867 my ($pl, $name, $params) = @_; 1427 my ($pl, $name, $params) = @_;
868 1428
869 my $cb = $COMMAND{$name} 1429 my $cb = $COMMAND{$name}
870 or return; 1430 or return;
871 1431
… …
876 cf::override; 1436 cf::override;
877 }, 1437 },
878 on_extcmd => sub { 1438 on_extcmd => sub {
879 my ($pl, $buf) = @_; 1439 my ($pl, $buf) = @_;
880 1440
881 my $msg = eval { from_json $buf }; 1441 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882 1442
883 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
884 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1451 if (my $cb = $EXTCMD{$type}) {
885 if (my %reply = $cb->($pl, $msg)) { 1452 @reply = $cb->($pl, @payload);
886 $pl->ext_reply ($msg->{msgid}, %reply);
887 }
888 } 1453 }
1454
1455 $pl->ext_reply ($reply, @reply)
1456 if $reply;
1457
889 } else { 1458 } else {
890 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1459 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891 } 1460 }
892 1461
893 cf::override; 1462 cf::override;
894 }, 1463 },
895); 1464);
896 1465
1466# "readahead" all extensions
897sub load_extension { 1467sub cache_extensions {
898 my ($path) = @_; 1468 my $grp = IO::AIO::aio_group;
899 1469
900 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1470 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
901 my $base = $1; 1471 for (grep /\.ext$/, @{$_[0]}) {
902 my $pkg = $1; 1472 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
903 $pkg =~ s/[^[:word:]]/_/g;
904 $pkg = "ext::$pkg";
905
906 warn "... loading '$path' into '$pkg'\n";
907
908 open my $fh, "<:utf8", $path
909 or die "$path: $!";
910
911 my $source =
912 "package $pkg; use strict; use utf8;\n"
913 . "#line 1 \"$path\"\n{\n"
914 . (do { local $/; <$fh> })
915 . "\n};\n1";
916
917 unless (eval $source) {
918 my $msg = $@ ? "$path: $@\n"
919 : "extension disabled.\n";
920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921 warn $@;
922 warn "mandatory extension failed to load, exiting.\n";
923 exit 1;
924 } 1473 }
925 die $@;
926 } 1474 };
927 1475
928 push @EXTS, $pkg; 1476 $grp
929} 1477}
930 1478
931sub load_extensions { 1479sub load_extensions {
1480 info "loading extensions...";
1481
1482 cf::sync_job {
1483 my %todo;
1484
932 for my $ext (<$LIBDIR/*.ext>) { 1485 for my $path (<$LIBDIR/*.ext>) {
933 next unless -r $ext; 1486 next unless -r $path;
934 eval { 1487
935 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 }
936 1 1551 }
937 } 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 }
938 } 1564 };
939} 1565}
940 1566
941############################################################################# 1567#############################################################################
942 1568
1569=back
1570
943=head2 CORE EXTENSIONS 1571=head2 CORE EXTENSIONS
944 1572
945Functions and methods that extend core crossfire objects. 1573Functions and methods that extend core deliantra objects.
946 1574
947=cut 1575=cut
948 1576
949package cf::player; 1577package cf::player;
950 1578
… …
952 1580
953=head3 cf::player 1581=head3 cf::player
954 1582
955=over 4 1583=over 4
956 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
957=item cf::player::find $login 1599=item cf::player::find $login
958 1600
959Returns the given player object, loading it if necessary (might block). 1601Returns the given player object, loading it if necessary (might block).
960 1602
961=cut 1603=cut
962 1604
963sub playerdir($) { 1605sub playerdir($) {
964 cf::localdir 1606 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1607 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 1608}
970 1609
971sub path($) { 1610sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1611 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 1612
974 (playerdir $login) . "/$login.pl" 1613 (playerdir $login) . "/playerdata"
975} 1614}
976 1615
977sub find_active($) { 1616sub find_active($) {
978 $cf::PLAYER{$_[0]} 1617 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 1618 and $cf::PLAYER{$_[0]}->active
… …
982 1621
983sub exists($) { 1622sub exists($) {
984 my ($login) = @_; 1623 my ($login) = @_;
985 1624
986 $cf::PLAYER{$login} 1625 $cf::PLAYER{$login}
987 or cf::sync_job { !aio_stat path $login } 1626 or !aio_stat path $login
988} 1627}
989 1628
990sub find($) { 1629sub find($) {
991 return $cf::PLAYER{$_[0]} || do { 1630 return $cf::PLAYER{$_[0]} || do {
992 my $login = $_[0]; 1631 my $login = $_[0];
993 1632
994 my $guard = cf::lock_acquire "user_find:$login"; 1633 my $guard = cf::lock_acquire "user_find:$login";
995 1634
996 $cf::PLAYER{$_[0]} || do { 1635 $cf::PLAYER{$_[0]} || do {
997 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
998 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;
999 $cf::PLAYER{$login} = $pl 1651 $cf::PLAYER{$login} = $pl
1000 } 1652 }
1001 } 1653 }
1002} 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);
1003 1668
1004sub save($) { 1669sub save($) {
1005 my ($pl) = @_; 1670 my ($pl) = @_;
1006 1671
1007 return if $pl->{deny_save}; 1672 return if $pl->{deny_save};
… …
1012 return if $pl->{deny_save}; 1677 return if $pl->{deny_save};
1013 1678
1014 aio_mkdir playerdir $pl, 0770; 1679 aio_mkdir playerdir $pl, 0770;
1015 $pl->{last_save} = $cf::RUNTIME; 1680 $pl->{last_save} = $cf::RUNTIME;
1016 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
1017 $pl->save_pl ($path); 1687 $pl->save_pl ($path);
1018 Coro::cede; 1688 cf::cede_to_tick;
1019} 1689}
1020 1690
1021sub new($) { 1691sub new($) {
1022 my ($login) = @_; 1692 my ($login) = @_;
1023 1693
… …
1029 $cf::PLAYER{$login} = $self; 1699 $cf::PLAYER{$login} = $self;
1030 1700
1031 $self 1701 $self
1032} 1702}
1033 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
1034=item $pl->quit_character 1714=item $pl->quit_character
1035 1715
1036Nukes the player without looking back. If logged in, the connection will 1716Nukes the player without looking back. If logged in, the connection will
1037be destroyed. May block for a long time. 1717be destroyed. May block for a long time.
1038 1718
1039=cut 1719=cut
1040 1720
1041sub quit_character { 1721sub quit_character {
1042 my ($pl) = @_; 1722 my ($pl) = @_;
1043 1723
1724 my $name = $pl->ob->name;
1725
1044 $pl->{deny_save} = 1; 1726 $pl->{deny_save} = 1;
1045 $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
1046 1728
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1729 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1048 $pl->deactivate; 1730 $pl->deactivate;
1731
1732 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1049 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1733 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1734 ext::highscore::check ($pl->ob);
1735
1050 $pl->ns->destroy if $pl->ns; 1736 $pl->ns->destroy if $pl->ns;
1051 1737
1052 my $path = playerdir $pl; 1738 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1739 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1740 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1741 delete $cf::PLAYER{$pl->ob->name};
1056 $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
1057 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;
1058} 1764}
1059 1765
1060=item cf::player::list_logins 1766=item cf::player::list_logins
1061 1767
1062Returns 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
1063while and may block, so not sync_job-capable, ever. 1769while and may block, so not sync_job-capable, ever.
1064 1770
1065=cut 1771=cut
1066 1772
1067sub list_logins { 1773sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1774 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1775 or return [];
1070 1776
1071 my @logins; 1777 my @logins;
1072 1778
1073 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") {
1074 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1785 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075 aio_read $fh, 0, 512, my $buf, 0 or next; 1786 aio_read $fh, 0, 512, my $buf, 0 or next;
1076 $buf !~ /^password -------------$/m or next; # official not-valid tag 1787 $buf !~ /^password -------------$/m or next; # official not-valid tag
1788 }
1077 1789
1078 utf8::decode $login; 1790 utf8::decode $login;
1079 push @logins, $login; 1791 push @logins, $login;
1080 } 1792 }
1081 1793
1082 \@logins 1794 \@logins
1083} 1795}
1084 1796
1085=item $player->maps 1797=item $player->maps
1798
1799=item cf::player::maps $login
1086 1800
1087Returns an arrayref of map paths that are private for this 1801Returns an arrayref of map paths that are private for this
1088player. May block. 1802player. May block.
1089 1803
1090=cut 1804=cut
… …
1108 } 1822 }
1109 1823
1110 \@paths 1824 \@paths
1111} 1825}
1112 1826
1827=item $protocol_xml = $player->expand_cfpod ($cfpod)
1828
1829Expand deliantra pod fragments into protocol xml.
1830
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1831=item $player->ext_reply ($msgid, @msg)
1114 1832
1115Sends an ext reply to the player. 1833Sends an ext reply to the player.
1116 1834
1117=cut 1835=cut
1118 1836
1119sub ext_reply($$$%) { 1837sub ext_reply($$@) {
1120 my ($self, $id, %msg) = @_; 1838 my ($self, $id, @msg) = @_;
1121 1839
1122 $msg{msgid} = $id; 1840 $self->ns->ext_reply ($id, @msg)
1123
1124 $self->send ("ext " . cf::to_json \%msg);
1125} 1841}
1126 1842
1127package cf; 1843=item $player->ext_msg ($type, @msg)
1844
1845Sends an ext event to the client.
1846
1847=cut
1848
1849sub ext_msg($$@) {
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}
1128 1885
1129=back 1886=back
1130
1131 1887
1132=head3 cf::map 1888=head3 cf::map
1133 1889
1134=over 4 1890=over 4
1135 1891
… …
1147our $MAX_RESET = 3600; 1903our $MAX_RESET = 3600;
1148our $DEFAULT_RESET = 3000; 1904our $DEFAULT_RESET = 3000;
1149 1905
1150sub generate_random_map { 1906sub generate_random_map {
1151 my ($self, $rmp) = @_; 1907 my ($self, $rmp) = @_;
1152 # mit "rum" bekleckern, nicht 1908
1909 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1910
1153 $self->_create_random_map ( 1911 $self->_create_random_map ($rmp);
1154 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1157 $rmp->{exit_on_final_map},
1158 $rmp->{xsize}, $rmp->{ysize},
1159 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1160 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1161 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1162 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1163 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1164 (cf::region::find $rmp->{region}), $rmp->{custom}
1165 )
1166} 1912}
1167 1913
1168=item cf::map->register ($regex, $prio) 1914=item cf::map->register ($regex, $prio)
1169 1915
1170Register 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
… …
1175 1921
1176sub register { 1922sub register {
1177 my (undef, $regex, $prio) = @_; 1923 my (undef, $regex, $prio) = @_;
1178 my $pkg = caller; 1924 my $pkg = caller;
1179 1925
1180 no strict;
1181 push @{"$pkg\::ISA"}, __PACKAGE__; 1926 push @{"$pkg\::ISA"}, __PACKAGE__;
1182 1927
1183 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1928 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1184} 1929}
1185 1930
1186# also paths starting with '/' 1931# also paths starting with '/'
1187$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1932$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1188 1933
1189sub thawer_merge { 1934sub thawer_merge {
1190 my ($self, $merge) = @_; 1935 my ($self, $merge) = @_;
1191 1936
1192 # we have to keep some variables in memory intact 1937 # we have to keep some variables in memory intact
1193 local $self->{path}; 1938 local $self->{path};
1194 local $self->{load_path}; 1939 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197 1940
1198 $self->SUPER::thawer_merge ($merge); 1941 $self->SUPER::thawer_merge ($merge);
1199} 1942}
1200 1943
1201sub normalise { 1944sub normalise {
1202 my ($path, $base) = @_; 1945 my ($path, $base) = @_;
1203 1946
1204 $path = "$path"; # make sure its a string 1947 $path = "$path"; # make sure it's a string
1205 1948
1206 $path =~ s/\.map$//; 1949 $path =~ s/\.map$//;
1207 1950
1208 # map plan: 1951 # map plan:
1209 # 1952 #
… …
1211 # {... are special paths that are not being touched 1954 # {... are special paths that are not being touched
1212 # ?xxx/... are special absolute paths 1955 # ?xxx/... are special absolute paths
1213 # ?random/... random maps 1956 # ?random/... random maps
1214 # /... normal maps 1957 # /... normal maps
1215 # ~user/... per-player map of a specific user 1958 # ~user/... per-player map of a specific user
1959 # !up !down for quad maps, or other maps with up/down layers
1216 1960
1217 $path =~ s/$PATH_SEP/\//go; 1961 $path =~ s/$PATH_SEP/\//go;
1218 1962
1219 # treat it as relative path if it starts with 1963 # treat it as relative path if it starts with
1220 # something that looks reasonable 1964 # something that looks reasonable
1221 if ($path =~ m{^(?:\./|\.\./|\w)}) { 1965 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1222 $base or Carp::carp "normalise called with relative path and no base: '$path'"; 1966 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1223 1967
1224 $base =~ s{[^/]+/?$}{}; 1968 $base =~ s{[^/]+/?$}{};
1225 $path = "$base/$path"; 1969 $path = "$base/$path";
1970
1971 } elsif ($path eq '!up') {
1972 $base && ref $base
1973 or Carp::carp "normalise called with relative tile path and no base: '$path'";
1974
1975 my $uppth = $base->tile_path (cf::TILE_UP);
1976 $path = $uppth if $uppth;
1977
1978 } elsif ($path eq '!down') {
1979 $base && ref $base
1980 or Carp::carp "normalise called with relative tile path and no base: '$path'";
1981
1982 my $dpth = $base->tile_path (cf::TILE_DOWN);
1983 $path = $dpth if $dpth;
1226 } 1984 }
1227 1985
1228 for ($path) { 1986 for ($path) {
1229 redo if s{//}{/};
1230 redo if s{/\.?/}{/}; 1987 redo if s{/\.?/}{/};
1231 redo if s{/[^/]+/\.\./}{/}; 1988 redo if s{/[^/]+/\.\./}{/};
1232 } 1989 }
1233 1990
1234 $path 1991 $path
… …
1248 $self->init; # pass $1 etc. 2005 $self->init; # pass $1 etc.
1249 return $self; 2006 return $self;
1250 } 2007 }
1251 } 2008 }
1252 2009
1253 Carp::carp "unable to resolve path '$path' (base '$base')."; 2010 Carp::cluck "unable to resolve path '$path' (base '$base')";
1254 () 2011 ()
1255} 2012}
1256 2013
2014# may re-bless or do other evil things
1257sub init { 2015sub init {
1258 my ($self) = @_; 2016 my ($self) = @_;
1259 2017
1260 $self 2018 $self
1261} 2019}
… …
1273 2031
1274# the original (read-only) location 2032# the original (read-only) location
1275sub load_path { 2033sub load_path {
1276 my ($self) = @_; 2034 my ($self) = @_;
1277 2035
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 2036 "$MAPDIR/$self->{path}.map"
1279} 2037}
1280 2038
1281# the temporary/swap location 2039# the temporary/swap location
1282sub save_path { 2040sub save_path {
1283 my ($self) = @_; 2041 my ($self) = @_;
1284 2042
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2043 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 2044 "$TMPDIR/$path.map"
1287} 2045}
1288 2046
1289# the unique path, undef == no special unique path 2047# the unique path, undef == no special unique path
1290sub uniq_path { 2048sub uniq_path {
1291 my ($self) = @_; 2049 my ($self) = @_;
1292 2050
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2051 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 2052 "$UNIQUEDIR/$path"
1295} 2053}
1296 2054
1297# and all this just because we cannot iterate over 2055sub decay_objects {
1298# all maps in C++...
1299sub change_all_map_light {
1300 my ($change) = @_; 2056 my ($self) = @_;
1301 2057
1302 $_->change_map_light ($change) 2058 return if $self->{deny_reset};
1303 for grep $_->outdoor, values %cf::MAP; 2059
2060 $self->do_decay_objects;
1304} 2061}
1305 2062
1306sub unlink_save { 2063sub unlink_save {
1307 my ($self) = @_; 2064 my ($self) = @_;
1308 2065
1309 utf8::encode (my $save = $self->save_path); 2066 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 2067 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 2068 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 2069}
1318 2070
1319sub load_header_from($) { 2071sub load_header_from($) {
1320 my ($self, $path) = @_; 2072 my ($self, $path) = @_;
1321 2073
1322 utf8::encode $path; 2074 utf8::encode $path;
1323 #aio_open $path, O_RDONLY, 0 2075 my $f = new_from_file cf::object::thawer $path
1324 # or return;
1325
1326 $self->_load_header ($path)
1327 or return; 2076 or return;
1328 2077
2078 $self->_load_header ($f)
2079 or return;
2080
2081 local $MAP_LOADING{$self->{path}} = $self;
2082 $f->resolve_delayed_derefs;
2083
1329 $self->{load_path} = $path; 2084 $self->{load_path} = $path;
1330 2085
1331 1 2086 1
1332} 2087}
1333 2088
2089# used to laod the header of an original map
1334sub load_header_orig { 2090sub load_header_orig {
1335 my ($self) = @_; 2091 my ($self) = @_;
1336 2092
1337 $self->load_header_from ($self->load_path) 2093 $self->load_header_from ($self->load_path)
1338} 2094}
1339 2095
2096# used to laod the header of an instantiated map
1340sub load_header_temp { 2097sub load_header_temp {
1341 my ($self) = @_; 2098 my ($self) = @_;
1342 2099
1343 $self->load_header_from ($self->save_path) 2100 $self->load_header_from ($self->save_path)
1344} 2101}
1345 2102
2103# called after loading the header from an instantiated map
1346sub prepare_temp { 2104sub prepare_temp {
1347 my ($self) = @_; 2105 my ($self) = @_;
1348 2106
1349 $self->last_access ((delete $self->{last_access}) 2107 $self->last_access ((delete $self->{last_access})
1350 || $cf::RUNTIME); #d# 2108 || $cf::RUNTIME); #d#
1351 # safety 2109 # safety
1352 $self->{instantiate_time} = $cf::RUNTIME 2110 $self->{instantiate_time} = $cf::RUNTIME
1353 if $self->{instantiate_time} > $cf::RUNTIME; 2111 if $self->{instantiate_time} > $cf::RUNTIME;
1354} 2112}
1355 2113
2114# called after loading the header from an original map
1356sub prepare_orig { 2115sub prepare_orig {
1357 my ($self) = @_; 2116 my ($self) = @_;
1358 2117
1359 $self->{load_original} = 1; 2118 $self->{load_original} = 1;
1360 $self->{instantiate_time} = $cf::RUNTIME; 2119 $self->{instantiate_time} = $cf::RUNTIME;
… …
1371 $self->load_header_orig 2130 $self->load_header_orig
1372 or return; 2131 or return;
1373 $self->prepare_orig; 2132 $self->prepare_orig;
1374 } 2133 }
1375 2134
2135 $self->{deny_reset} = 1
2136 if $self->no_reset;
2137
2138 $self->default_region (cf::region::find_by_path $self->{path})
2139 unless $self->default_region;
2140
1376 1 2141 1
1377} 2142}
1378 2143
1379sub find; 2144sub find;
1380sub find { 2145sub find {
1381 my ($path, $origin) = @_; 2146 my ($path, $origin) = @_;
1382 2147
2148 cf::cede_to_tick;
2149
1383 $path = normalise $path, $origin && $origin->path; 2150 $path = normalise $path, $origin;
1384 2151
2152 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 2153 my $guard2 = cf::lock_acquire "map_find:$path";
1386 2154
1387 $cf::MAP{$path} || do { 2155 $cf::MAP{$path} || do {
1388 my $guard = cf::lock_acquire "map_find:$path";
1389 my $map = new_from_path cf::map $path 2156 my $map = new_from_path cf::map $path
1390 or return; 2157 or return;
1391 2158
1392 $map->{last_save} = $cf::RUNTIME; 2159 $map->{last_save} = $cf::RUNTIME;
1393 2160
1394 $map->load_header 2161 $map->load_header
1395 or return; 2162 or return;
1396 2163
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2164 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 2165 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 2166 #$cf::WAIT_FOR_TICK->wait;
2167 undef $guard2;
2168 undef $guard1;
1400 $map->reset; 2169 $map->reset;
1401 undef $guard;
1402 return find $path; 2170 return find $path;
1403 } 2171 }
1404 2172
1405 $cf::MAP{$path} = $map 2173 $cf::MAP{$path} = $map
1406 } 2174 }
1407} 2175}
1408 2176
1409sub pre_load { } 2177sub pre_load { }
1410sub post_load { } 2178#sub post_load { } # XS
1411 2179
1412sub load { 2180sub load {
1413 my ($self) = @_; 2181 my ($self) = @_;
1414 2182
1415 local $self->{deny_reset} = 1; # loading can take a long time 2183 local $self->{deny_reset} = 1; # loading can take a long time
1416 2184
1417 my $path = $self->{path}; 2185 my $path = $self->{path};
2186
2187 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 2188 my $guard = cf::lock_acquire "map_data:$path";
1419 2189
2190 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 2191 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 2192
1422 $self->in_memory (cf::MAP_LOADING); 2193 $self->in_memory (cf::MAP_LOADING);
1423 2194
1424 $self->alloc; 2195 $self->alloc;
1425 2196
1426 $self->pre_load; 2197 $self->pre_load;
2198 cf::cede_to_tick;
1427 2199
1428 $self->_load_objects ($self->{load_path}, 1) 2200 if (exists $self->{load_path}) {
2201 my $f = new_from_file cf::object::thawer $self->{load_path};
2202 $f->skip_block;
2203 $self->_load_objects ($f)
1429 or return; 2204 or return;
1430 2205
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2206 $self->post_load_original
1432 if delete $self->{load_original}; 2207 if delete $self->{load_original};
1433 2208
1434 if (my $uniq = $self->uniq_path) { 2209 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 2210 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 2211 unless (aio_stat $uniq) {
2212 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 2213 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 2214 $self->_load_objects ($f);
2215 $f->resolve_delayed_derefs;
2216 }
2217 }
1439 } 2218 }
1440 }
1441 2219
1442 Coro::cede; 2220 $f->resolve_delayed_derefs;
2221 } else {
2222 $self->post_load_original
2223 if delete $self->{load_original};
2224 }
1443 2225
2226 cf::cede_to_tick;
1444 # now do the right thing for maps 2227 # now do the right thing for maps
1445 $self->link_multipart_objects; 2228 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 2229 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 2230 unless $self->difficulty;
1455 Coro::cede; 2231 cf::cede_to_tick;
2232
2233 unless ($self->{deny_activate}) {
2234 $self->decay_objects;
2235 $self->fix_auto_apply;
2236 $self->update_buttons;
2237 cf::cede_to_tick;
1456 $self->activate; 2238 $self->activate;
2239 }
2240
2241 $self->{last_save} = $cf::RUNTIME;
2242 $self->last_access ($cf::RUNTIME);
2243
2244 $self->in_memory (cf::MAP_ACTIVE);
1457 } 2245 }
1458 2246
1459 $self->post_load; 2247 $self->post_load;
1460 2248
1461 $self->in_memory (cf::MAP_IN_MEMORY); 2249 1
1462} 2250}
1463 2251
2252# customize the map for a given player, i.e.
2253# return the _real_ map. used by e.g. per-player
2254# maps to change the path to ~playername/mappath
1464sub customise_for { 2255sub customise_for {
1465 my ($self, $ob) = @_; 2256 my ($self, $ob) = @_;
1466 2257
1467 return find "~" . $ob->name . "/" . $self->{path} 2258 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 2259 if $self->per_player;
1469 2260
2261# return find "?party/" . $ob->name . "/" . $self->{path}
2262# if $self->per_party;
2263
1470 $self 2264 $self
1471} 2265}
1472 2266
1473# find and load all maps in the 3x3 area around a map 2267# find and load all maps in the 3x3 area around a map
1474sub load_diag { 2268sub load_neighbours {
1475 my ($map) = @_; 2269 my ($map) = @_;
1476 2270
1477 my @diag; # diagonal neighbours 2271 my @neigh; # diagonal neighbours
1478 2272
1479 for (0 .. 3) { 2273 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 2274 my $neigh = $map->tile_path ($_)
1481 or next; 2275 or next;
1482 $neigh = find $neigh, $map 2276 $neigh = find $neigh, $map
1483 or next; 2277 or next;
1484 $neigh->load; 2278 $neigh->load;
1485 2279
2280 # now find the diagonal neighbours
2281 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2282 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2283 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2284 }
1489 2285
1490 for (@diag) { 2286 for (grep defined $_->[0], @neigh) {
2287 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2288 my $neigh = find $path, $origin
1492 or next; 2289 or next;
1493 $neigh->load; 2290 $neigh->load;
1494 } 2291 }
1495} 2292}
1496 2293
1497sub find_sync { 2294sub find_sync {
1498 my ($path, $origin) = @_; 2295 my ($path, $origin) = @_;
1499 2296
1500 cf::sync_job { find $path, $origin } 2297 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2298 if $Coro::current == $Coro::main;
2299
2300 find $path, $origin
1501} 2301}
1502 2302
1503sub do_load_sync { 2303sub do_load_sync {
1504 my ($map) = @_; 2304 my ($map) = @_;
1505 2305
1506 cf::sync_job { $map->load }; 2306 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2307 if $Coro::current == $Coro::main;
2308
2309 $map->load;
1507} 2310}
1508 2311
1509our %MAP_PREFETCH; 2312our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2313our $MAP_PREFETCHER = undef;
1511 2314
1512sub find_async { 2315sub find_async {
1513 my ($path, $origin) = @_; 2316 my ($path, $origin, $load) = @_;
1514 2317
1515 $path = normalise $path, $origin && $origin->{path}; 2318 $path = normalise $path, $origin;
1516 2319
1517 if (my $map = $cf::MAP{$path}) { 2320 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2321 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519 } 2322 }
1520 2323
1521 undef $MAP_PREFETCH{$path}; 2324 $MAP_PREFETCH{$path} |= $load;
2325
1522 $MAP_PREFETCHER ||= cf::async { 2326 $MAP_PREFETCHER ||= cf::async {
2327 $Coro::current->{desc} = "map prefetcher";
2328
1523 while (%MAP_PREFETCH) { 2329 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2330 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2331 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2332 $map->load if $v;
2333 }
1528 2334
1529 delete $MAP_PREFETCH{$path}; 2335 delete $MAP_PREFETCH{$k};
1530 } 2336 }
1531 } 2337 }
1532 undef $MAP_PREFETCHER; 2338 undef $MAP_PREFETCHER;
1533 }; 2339 };
1534 $MAP_PREFETCHER->prio (6); 2340 $MAP_PREFETCHER->prio (6);
1535 2341
1536 () 2342 ()
1537} 2343}
1538 2344
2345# common code, used by both ->save and ->swapout
1539sub save { 2346sub _save {
1540 my ($self) = @_; 2347 my ($self) = @_;
1541
1542 my $lock = cf::lock_acquire "map_data:" . $self->path;
1543 2348
1544 $self->{last_save} = $cf::RUNTIME; 2349 $self->{last_save} = $cf::RUNTIME;
1545 2350
1546 return unless $self->dirty; 2351 return unless $self->dirty;
1547 2352
… …
1553 return if $self->{deny_save}; 2358 return if $self->{deny_save};
1554 2359
1555 local $self->{last_access} = $self->last_access;#d# 2360 local $self->{last_access} = $self->last_access;#d#
1556 2361
1557 cf::async { 2362 cf::async {
2363 $Coro::current->{desc} = "map player save";
1558 $_->contr->save for $self->players; 2364 $_->contr->save for $self->players;
1559 }; 2365 };
2366
2367 cf::get_slot 0.02;
1560 2368
1561 if ($uniq) { 2369 if ($uniq) {
1562 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2370 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2371 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1564 } else { 2372 } else {
1565 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2373 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1566 } 2374 }
1567} 2375}
1568 2376
2377sub save {
2378 my ($self) = @_;
2379
2380 my $lock = cf::lock_acquire "map_data:$self->{path}";
2381
2382 $self->_save;
2383}
2384
1569sub swap_out { 2385sub swap_out {
1570 my ($self) = @_; 2386 my ($self) = @_;
1571 2387
1572 # save first because save cedes
1573 $self->save;
1574
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2388 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2389
2390 return if $self->in_memory != cf::MAP_ACTIVE;
2391 return if $self->{deny_save};
1577 return if $self->players; 2392 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY;
1579 return if $self->{deny_save};
1580 2393
2394 # first deactivate the map and "unlink" it from the core
2395 $self->deactivate;
2396 $_->clear_links_to ($self) for values %cf::MAP;
2397 $self->in_memory (cf::MAP_SWAPPED);
2398
2399 # then atomically save
2400 $self->_save;
2401
2402 # then free the map
1581 $self->clear; 2403 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2404}
1584 2405
1585sub reset_at { 2406sub reset_at {
1586 my ($self) = @_; 2407 my ($self) = @_;
1587 2408
1588 # TODO: safety, remove and allow resettable per-player maps 2409 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2410 return 1e99 if $self->{deny_reset};
1591 2411
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2412 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2413 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594 2414
… …
1605 my ($self) = @_; 2425 my ($self) = @_;
1606 2426
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2427 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2428
1609 return if $self->players; 2429 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2430
1612 warn "resetting map ", $self->path;#d# 2431 cf::trace "resetting map ", $self->path, "\n";
2432
2433 $self->in_memory (cf::MAP_SWAPPED);
2434
2435 # need to save uniques path
2436 unless ($self->{deny_save}) {
2437 my $uniq = $self->uniq_path; utf8::encode $uniq;
2438
2439 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2440 if $uniq;
2441 }
1613 2442
1614 delete $cf::MAP{$self->path}; 2443 delete $cf::MAP{$self->path};
1615 2444
1616 $self->in_memory (cf::MAP_SWAPPED); 2445 $self->deactivate;
2446 $_->clear_links_to ($self) for values %cf::MAP;
1617 $self->clear; 2447 $self->clear;
1618
1619 $_->clear_links_to ($self) for values %cf::MAP;
1620 2448
1621 $self->unlink_save; 2449 $self->unlink_save;
1622 $self->destroy; 2450 $self->destroy;
1623} 2451}
1624 2452
1625my $nuke_counter = "aaaa"; 2453my $nuke_counter = "aaaa";
1626 2454
1627sub nuke { 2455sub nuke {
1628 my ($self) = @_; 2456 my ($self) = @_;
1629 2457
2458 {
2459 my $lock = cf::lock_acquire "map_data:$self->{path}";
2460
1630 delete $cf::MAP{$self->path}; 2461 delete $cf::MAP{$self->path};
1631 2462
1632 $self->unlink_save; 2463 $self->unlink_save;
1633 2464
1634 bless $self, "cf::map"; 2465 bless $self, "cf::map::wrap";
1635 delete $self->{deny_reset}; 2466 delete $self->{deny_reset};
1636 $self->{deny_save} = 1; 2467 $self->{deny_save} = 1;
1637 $self->reset_timeout (1); 2468 $self->reset_timeout (1);
1638 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2469 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639 2470
1640 $cf::MAP{$self->path} = $self; 2471 $cf::MAP{$self->path} = $self;
2472 }
1641 2473
1642 $self->reset; # polite request, might not happen 2474 $self->reset; # polite request, might not happen
2475}
2476
2477=item $maps = cf::map::tmp_maps
2478
2479Returns an arrayref with all map paths of currently instantiated and saved
2480maps. May block.
2481
2482=cut
2483
2484sub tmp_maps() {
2485 [
2486 map {
2487 utf8::decode $_;
2488 /\.map$/
2489 ? normalise $_
2490 : ()
2491 } @{ aio_readdir $TMPDIR or [] }
2492 ]
2493}
2494
2495=item $maps = cf::map::random_maps
2496
2497Returns an arrayref with all map paths of currently instantiated and saved
2498random maps. May block.
2499
2500=cut
2501
2502sub random_maps() {
2503 [
2504 map {
2505 utf8::decode $_;
2506 /\.map$/
2507 ? normalise "?random/$_"
2508 : ()
2509 } @{ aio_readdir $RANDOMDIR or [] }
2510 ]
1643} 2511}
1644 2512
1645=item cf::map::unique_maps 2513=item cf::map::unique_maps
1646 2514
1647Returns an arrayref of paths of all shared maps that have 2515Returns an arrayref of paths of all shared maps that have
1648instantiated unique items. May block. 2516instantiated unique items. May block.
1649 2517
1650=cut 2518=cut
1651 2519
1652sub unique_maps() { 2520sub unique_maps() {
1653 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2521 [
1654 or return; 2522 map {
1655
1656 my @paths;
1657
1658 for (@$files) {
1659 utf8::decode $_; 2523 utf8::decode $_;
1660 next if /\.pst$/; 2524 s/\.map$//; # TODO future compatibility hack
1661 next unless /^$PATH_SEP/o; 2525 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662 2526 ? ()
1663 push @paths, cf::map::normalise $_; 2527 : normalise $_
2528 } @{ aio_readdir $UNIQUEDIR or [] }
1664 } 2529 ]
1665
1666 \@paths
1667} 2530}
1668 2531
1669package cf; 2532=item cf::map::static_maps
2533
2534Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2535file in the shared directory excluding F</styles> and F</editor>). May
2536block.
2537
2538=cut
2539
2540sub static_maps() {
2541 my @dirs = "";
2542 my @maps;
2543
2544 while (@dirs) {
2545 my $dir = shift @dirs;
2546
2547 next if $dir eq "/styles" || $dir eq "/editor";
2548
2549 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2550 or return;
2551
2552 for (@$files) {
2553 s/\.map$// or next;
2554 utf8::decode $_;
2555 push @maps, "$dir/$_";
2556 }
2557
2558 push @dirs, map "$dir/$_", @$dirs;
2559 }
2560
2561 \@maps
2562}
1670 2563
1671=back 2564=back
1672 2565
1673=head3 cf::object 2566=head3 cf::object
1674 2567
… …
1678 2571
1679=over 4 2572=over 4
1680 2573
1681=item $ob->inv_recursive 2574=item $ob->inv_recursive
1682 2575
1683Returns the inventory of the object _and_ their inventories, recursively. 2576Returns the inventory of the object I<and> their inventories, recursively,
2577but I<not> the object itself.
1684 2578
1685=cut 2579=cut
1686 2580
1687sub inv_recursive_; 2581sub inv_recursive_;
1688sub inv_recursive_ { 2582sub inv_recursive_ {
… …
1691 2585
1692sub inv_recursive { 2586sub inv_recursive {
1693 inv_recursive_ inv $_[0] 2587 inv_recursive_ inv $_[0]
1694} 2588}
1695 2589
2590=item $ref = $ob->ref
2591
2592Creates and returns a persistent reference to an object that can be stored as a string.
2593
2594=item $ob = cf::object::deref ($refstring)
2595
2596returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2597even if the object actually exists. May block.
2598
2599=cut
2600
2601sub deref {
2602 my ($ref) = @_;
2603
2604 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2605 my ($uuid, $name) = ($1, $2);
2606 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2607 or return;
2608 $pl->ob->uuid eq $uuid
2609 or return;
2610
2611 $pl->ob
2612 } else {
2613 warn "$ref: cannot resolve object reference\n";
2614 undef
2615 }
2616}
2617
1696package cf; 2618package cf;
1697 2619
1698=back 2620=back
1699 2621
1700=head3 cf::object::player 2622=head3 cf::object::player
… …
1706Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2628Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707can be C<undef>. Does the right thing when the player is currently in a 2629can be C<undef>. Does the right thing when the player is currently in a
1708dialogue with the given NPC character. 2630dialogue with the given NPC character.
1709 2631
1710=cut 2632=cut
2633
2634our $SAY_CHANNEL = {
2635 id => "say",
2636 title => "Map",
2637 reply => "say ",
2638 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2639};
2640
2641our $CHAT_CHANNEL = {
2642 id => "chat",
2643 title => "Chat",
2644 reply => "chat ",
2645 tooltip => "Player chat and shouts, global to the server.",
2646};
1711 2647
1712# rough implementation of a future "reply" method that works 2648# rough implementation of a future "reply" method that works
1713# with dialog boxes. 2649# with dialog boxes.
1714#TODO: the first argument must go, split into a $npc->reply_to ( method 2650#TODO: the first argument must go, split into a $npc->reply_to ( method
1715sub cf::object::player::reply($$$;$) { 2651sub cf::object::player::reply($$$;$) {
… …
1717 2653
1718 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2654 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719 2655
1720 if ($self->{record_replies}) { 2656 if ($self->{record_replies}) {
1721 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2657 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2658
1722 } else { 2659 } else {
2660 my $pl = $self->contr;
2661
2662 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2663 my $dialog = $pl->{npc_dialog};
2664 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2665
2666 } else {
1723 $msg = $npc->name . " says: $msg" if $npc; 2667 $msg = $npc->name . " says: $msg" if $npc;
1724 $self->message ($msg, $flags); 2668 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2669 }
1725 } 2670 }
2671}
2672
2673=item $object->send_msg ($channel, $msg, $color, [extra...])
2674
2675=cut
2676
2677sub cf::object::send_msg {
2678 my $pl = shift->contr
2679 or return;
2680 $pl->send_msg (@_);
1726} 2681}
1727 2682
1728=item $player_object->may ("access") 2683=item $player_object->may ("access")
1729 2684
1730Returns wether the given player is authorized to access resource "access" 2685Returns wether the given player is authorized to access resource "access"
… …
1743 2698
1744=item $player_object->enter_link 2699=item $player_object->enter_link
1745 2700
1746Freezes the player and moves him/her to a special map (C<{link}>). 2701Freezes the player and moves him/her to a special map (C<{link}>).
1747 2702
1748The player should be reasonably safe there for short amounts of time. You 2703The player should be reasonably safe there for short amounts of time (e.g.
1749I<MUST> call C<leave_link> as soon as possible, though. 2704for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2705though, as the player cannot control the character while it is on the link
2706map.
1750 2707
1751Will never block. 2708Will never block.
1752 2709
1753=item $player_object->leave_link ($map, $x, $y) 2710=item $player_object->leave_link ($map, $x, $y)
1754 2711
… …
1774sub cf::object::player::enter_link { 2731sub cf::object::player::enter_link {
1775 my ($self) = @_; 2732 my ($self) = @_;
1776 2733
1777 $self->deactivate_recursive; 2734 $self->deactivate_recursive;
1778 2735
2736 ++$self->{_link_recursion};
2737
1779 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2738 return if UNIVERSAL::isa $self->map, "ext::map_link";
1780 2739
1781 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2740 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782 if $self->map; 2741 if $self->map && $self->map->{path} ne "{link}";
1783 2742
1784 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2743 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1785} 2744}
1786 2745
1787sub cf::object::player::leave_link { 2746sub cf::object::player::leave_link {
1788 my ($self, $map, $x, $y) = @_; 2747 my ($self, $map, $x, $y) = @_;
2748
2749 return unless $self->contr->active;
1789 2750
1790 my $link_pos = delete $self->{_link_pos}; 2751 my $link_pos = delete $self->{_link_pos};
1791 2752
1792 unless ($map) { 2753 unless ($map) {
1793 # restore original map position 2754 # restore original map position
… …
1804 ($x, $y) = (-1, -1) 2765 ($x, $y) = (-1, -1)
1805 unless (defined $x) && (defined $y); 2766 unless (defined $x) && (defined $y);
1806 2767
1807 # use -1 or undef as default coordinates, not 0, 0 2768 # use -1 or undef as default coordinates, not 0, 0
1808 ($x, $y) = ($map->enter_x, $map->enter_y) 2769 ($x, $y) = ($map->enter_x, $map->enter_y)
1809 if $x <=0 && $y <= 0; 2770 if $x <= 0 && $y <= 0;
1810 2771
1811 $map->load; 2772 $map->load;
1812 $map->load_diag; 2773 $map->load_neighbours;
1813 2774
1814 return unless $self->contr->active; 2775 return unless $self->contr->active;
2776
2777 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2778 if ($self->enter_map ($map, $x, $y)) {
2779 # entering was successful
2780 delete $self->{_link_recursion};
2781 # only activate afterwards, to support waiting in hooks
1815 $self->activate_recursive; 2782 $self->activate_recursive;
1816 $self->enter_map ($map, $x, $y);
1817}
1818
1819cf::player->attach (
1820 on_logout => sub {
1821 my ($pl) = @_;
1822
1823 # abort map switching before logout
1824 if ($pl->ob->{_link_pos}) {
1825 cf::sync_job {
1826 $pl->ob->leave_link
1827 };
1828 }
1829 }, 2783 }
1830 on_login => sub {
1831 my ($pl) = @_;
1832 2784
1833 # try to abort aborted map switching on player login :) 2785}
1834 # should happen only on crashes
1835 if ($pl->ob->{_link_pos}) {
1836 $pl->ob->enter_link;
1837 (async {
1838 # we need this sleep as the login has a concurrent enter_exit running
1839 # and this sleep increases chances of the player not ending up in scorn
1840 $pl->ob->reply (undef,
1841 "There was an internal problem at your last logout, "
1842 . "the server will try to bring you to your intended destination in a second.",
1843 cf::NDI_RED);
1844 Coro::Timer::sleep 1;
1845 $pl->ob->leave_link;
1846 })->prio (2);
1847 }
1848 },
1849);
1850 2786
1851=item $player_object->goto ($path, $x, $y) 2787=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1852 2788
2789Moves the player to the given map-path and coordinates by first freezing
2790her, loading and preparing them map, calling the provided $check callback
2791that has to return the map if sucecssful, and then unfreezes the player on
2792the new (success) or old (failed) map position. In either case, $done will
2793be called at the end of this process.
2794
2795Note that $check will be called with a potentially non-loaded map, so if
2796it needs a loaded map it has to call C<< ->load >>.
2797
1853=cut 2798=cut
2799
2800our $GOTOGEN;
1854 2801
1855sub cf::object::player::goto { 2802sub cf::object::player::goto {
1856 my ($self, $path, $x, $y) = @_; 2803 my ($self, $path, $x, $y, $check, $done) = @_;
2804
2805 if ($self->{_link_recursion} >= $MAX_LINKS) {
2806 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2807 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2808 ($path, $x, $y) = @$EMERGENCY_POSITION;
2809 }
2810
2811 # do generation counting so two concurrent goto's will be executed in-order
2812 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857 2813
1858 $self->enter_link; 2814 $self->enter_link;
1859 2815
1860 (async { 2816 (async {
2817 $Coro::current->{desc} = "player::goto $path $x $y";
2818
2819 # *tag paths override both path and x|y
2820 if ($path =~ /^\*(.*)$/) {
2821 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2822 my $ob = $obs[rand @obs];
2823
2824 # see if we actually can go there
2825 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2826 $ob = $obs[rand @obs];
2827 } else {
2828 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2829 }
2830 # else put us there anyways for now #d#
2831
2832 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2833 } else {
2834 ($path, $x, $y) = (undef, undef, undef);
2835 }
2836 }
2837
1861 my $map = eval { 2838 my $map = eval {
1862 my $map = cf::map::find $path; 2839 my $map = defined $path ? cf::map::find $path, $self->map : undef;
2840
2841 if ($map) {
1863 $map = $map->customise_for ($self) if $map; 2842 $map = $map->customise_for ($self);
2843 $map = $check->($map, $x, $y, $self) if $check && $map;
2844 } else {
2845 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2846 }
2847
1864 $map 2848 $map
2849 };
2850
2851 if ($@) {
2852 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2853 LOG llevError | logBacktrace, Carp::longmess $@;
1865 } or 2854 }
1866 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867 2855
2856 if ($gen == $self->{_goto_generation}) {
2857 delete $self->{_goto_generation};
1868 $self->leave_link ($map, $x, $y); 2858 $self->leave_link ($map, $x, $y);
2859 }
2860
2861 $done->($self) if $done;
1869 })->prio (1); 2862 })->prio (1);
1870} 2863}
1871 2864
1872=item $player_object->enter_exit ($exit_object) 2865=item $player_object->enter_exit ($exit_object)
1873 2866
… …
1893} 2886}
1894 2887
1895sub prepare_random_map { 2888sub prepare_random_map {
1896 my ($exit) = @_; 2889 my ($exit) = @_;
1897 2890
1898 my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900 # all this does is basically replace the /! path by 2891 # all this does is basically replace the /! path by
1901 # a new random map path (?random/...) with a seed 2892 # a new random map path (?random/...) with a seed
1902 # that depends on the exit object 2893 # that depends on the exit object
1903 2894
1904 my $rmp = parse_random_map_params $exit->msg; 2895 my $rmp = parse_random_map_params $exit->msg;
… …
1906 if ($exit->map) { 2897 if ($exit->map) {
1907 $rmp->{region} = $exit->region->name; 2898 $rmp->{region} = $exit->region->name;
1908 $rmp->{origin_map} = $exit->map->path; 2899 $rmp->{origin_map} = $exit->map->path;
1909 $rmp->{origin_x} = $exit->x; 2900 $rmp->{origin_x} = $exit->x;
1910 $rmp->{origin_y} = $exit->y; 2901 $rmp->{origin_y} = $exit->y;
2902
2903 $exit->map->touch;
1911 } 2904 }
1912 2905
1913 $rmp->{random_seed} ||= $exit->random_seed; 2906 $rmp->{random_seed} ||= $exit->random_seed;
1914 2907
1915 my $data = cf::to_json $rmp; 2908 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916 my $md5 = Digest::MD5::md5_hex $data; 2909 my $md5 = Digest::MD5::md5_hex $data;
1917 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2910 my $meta = "$RANDOMDIR/$md5.meta";
1918 2911
1919 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2912 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920 aio_write $fh, 0, (length $data), $data, 0; 2913 aio_write $fh, 0, (length $data), $data, 0;
1921 undef $fh; 2914 undef $fh;
1922 aio_rename "$meta~", $meta; 2915 aio_rename "$meta~", $meta;
1923 2916
2917 my $slaying = "?random/$md5";
2918
2919 if ($exit->valid) {
1924 $exit->slaying ("?random/$md5"); 2920 $exit->slaying ("?random/$md5");
1925 $exit->msg (undef); 2921 $exit->msg (undef);
2922 }
1926 } 2923 }
1927} 2924}
1928 2925
1929sub cf::object::player::enter_exit { 2926sub cf::object::player::enter_exit {
1930 my ($self, $exit) = @_; 2927 my ($self, $exit) = @_;
1931 2928
1932 return unless $self->type == cf::PLAYER; 2929 return unless $self->type == cf::PLAYER;
1933 2930
1934 if ($exit->slaying eq "/!") {
1935 #TODO: this should de-fi-ni-te-ly not be a sync-job
1936 cf::sync_job { prepare_random_map $exit };
1937 }
1938
1939 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940 my $hp = $exit->stats->hp;
1941 my $sp = $exit->stats->sp;
1942
1943 $self->enter_link; 2931 $self->enter_link;
1944 2932
1945 (async { 2933 (async {
1946 $self->deactivate_recursive; # just to be sure 2934 $Coro::current->{desc} = "enter_exit";
2935
1947 unless (eval { 2936 unless (eval {
2937 $self->deactivate_recursive; # just to be sure
2938
2939 # random map handling
2940 {
2941 my $guard = cf::lock_acquire "exit_prepare:$exit";
2942
2943 prepare_random_map $exit
2944 if $exit->slaying eq "/!";
2945 }
2946
2947 my $map = cf::map::normalise $exit->slaying, $exit->map;
2948 my $x = $exit->stats->hp;
2949 my $y = $exit->stats->sp;
2950
1948 $self->goto ($slaying, $hp, $sp); 2951 $self->goto ($map, $x, $y);
1949 2952
2953 # if exit is damned, update players death & WoR home-position
2954 $self->contr->savebed ($map, $x, $y)
2955 if $exit->flag (cf::FLAG_DAMNED);
2956
1950 1; 2957 1
1951 }) { 2958 }) {
1952 $self->message ("Something went wrong deep within the crossfire server. " 2959 $self->message ("Something went wrong deep within the deliantra server. "
1953 . "I'll try to bring you back to the map you were before. " 2960 . "I'll try to bring you back to the map you were before. "
1954 . "Please report this to the dungeon master!", 2961 . "Please report this to the dungeon master!",
1955 cf::NDI_UNIQUE | cf::NDI_RED); 2962 cf::NDI_UNIQUE | cf::NDI_RED);
1956 2963
1957 warn "ERROR in enter_exit: $@"; 2964 error "ERROR in enter_exit: $@";
1958 $self->leave_link; 2965 $self->leave_link;
1959 } 2966 }
1960 })->prio (1); 2967 })->prio (1);
1961} 2968}
1962 2969
… …
1973 2980
1974sub cf::client::send_drawinfo { 2981sub cf::client::send_drawinfo {
1975 my ($self, $text, $flags) = @_; 2982 my ($self, $text, $flags) = @_;
1976 2983
1977 utf8::encode $text; 2984 utf8::encode $text;
1978 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2985 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979} 2986}
1980 2987
2988=item $client->send_big_packet ($pkt)
2989
2990Like C<send_packet>, but tries to compress large packets, and fragments
2991them as required.
2992
2993=cut
2994
2995our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2996
2997sub cf::client::send_big_packet {
2998 my ($self, $pkt) = @_;
2999
3000 # try lzf for large packets
3001 $pkt = "lzf " . Compress::LZF::compress $pkt
3002 if 1024 <= length $pkt and $self->{can_lzf};
3003
3004 # split very large packets
3005 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
3006 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
3007 $pkt = "frag";
3008 }
3009
3010 $self->send_packet ($pkt);
3011}
3012
3013=item $client->send_msg ($channel, $msg, $color, [extra...])
3014
3015Send a drawinfo or msg packet to the client, formatting the msg for the
3016client if neccessary. C<$type> should be a string identifying the type of
3017the message, with C<log> being the default. If C<$color> is negative, suppress
3018the message unless the client supports the msg packet.
3019
3020=cut
3021
3022# non-persistent channels (usually the info channel)
3023our %CHANNEL = (
3024 "c/motd" => {
3025 id => "infobox",
3026 title => "MOTD",
3027 reply => undef,
3028 tooltip => "The message of the day",
3029 },
3030 "c/identify" => {
3031 id => "infobox",
3032 title => "Identify",
3033 reply => undef,
3034 tooltip => "Items recently identified",
3035 },
3036 "c/examine" => {
3037 id => "infobox",
3038 title => "Examine",
3039 reply => undef,
3040 tooltip => "Signs and other items you examined",
3041 },
3042 "c/shopinfo" => {
3043 id => "infobox",
3044 title => "Shop Info",
3045 reply => undef,
3046 tooltip => "What your bargaining skill tells you about the shop",
3047 },
3048 "c/book" => {
3049 id => "infobox",
3050 title => "Book",
3051 reply => undef,
3052 tooltip => "The contents of a note or book",
3053 },
3054 "c/lookat" => {
3055 id => "infobox",
3056 title => "Look",
3057 reply => undef,
3058 tooltip => "What you saw there",
3059 },
3060 "c/who" => {
3061 id => "infobox",
3062 title => "Players",
3063 reply => undef,
3064 tooltip => "Shows players who are currently online",
3065 },
3066 "c/body" => {
3067 id => "infobox",
3068 title => "Body Parts",
3069 reply => undef,
3070 tooltip => "Shows which body parts you posess and are available",
3071 },
3072 "c/statistics" => {
3073 id => "infobox",
3074 title => "Statistics",
3075 reply => undef,
3076 tooltip => "Shows your primary statistics",
3077 },
3078 "c/skills" => {
3079 id => "infobox",
3080 title => "Skills",
3081 reply => undef,
3082 tooltip => "Shows your experience per skill and item power",
3083 },
3084 "c/shopitems" => {
3085 id => "infobox",
3086 title => "Shop Items",
3087 reply => undef,
3088 tooltip => "Shows the items currently for sale in this shop",
3089 },
3090 "c/resistances" => {
3091 id => "infobox",
3092 title => "Resistances",
3093 reply => undef,
3094 tooltip => "Shows your resistances",
3095 },
3096 "c/pets" => {
3097 id => "infobox",
3098 title => "Pets",
3099 reply => undef,
3100 tooltip => "Shows information abotu your pets/a specific pet",
3101 },
3102 "c/perceiveself" => {
3103 id => "infobox",
3104 title => "Perceive Self",
3105 reply => undef,
3106 tooltip => "You gained detailed knowledge about yourself",
3107 },
3108 "c/uptime" => {
3109 id => "infobox",
3110 title => "Uptime",
3111 reply => undef,
3112 tooltip => "How long the server has been running since last restart",
3113 },
3114 "c/mapinfo" => {
3115 id => "infobox",
3116 title => "Map Info",
3117 reply => undef,
3118 tooltip => "Information related to the maps",
3119 },
3120 "c/party" => {
3121 id => "party",
3122 title => "Party",
3123 reply => "gsay ",
3124 tooltip => "Messages and chat related to your party",
3125 },
3126 "c/death" => {
3127 id => "death",
3128 title => "Death",
3129 reply => undef,
3130 tooltip => "Reason for and more info about your most recent death",
3131 },
3132 "c/say" => $SAY_CHANNEL,
3133 "c/chat" => $CHAT_CHANNEL,
3134);
3135
3136sub cf::client::send_msg {
3137 my ($self, $channel, $msg, $color, @extra) = @_;
3138
3139 $msg = $self->pl->expand_cfpod ($msg)
3140 unless $color & cf::NDI_VERBATIM;
3141
3142 $color &= cf::NDI_CLIENT_MASK; # just in case...
3143
3144 # check predefined channels, for the benefit of C
3145 if ($CHANNEL{$channel}) {
3146 $channel = $CHANNEL{$channel};
3147
3148 $self->ext_msg (channel_info => $channel);
3149 $channel = $channel->{id};
3150
3151 } elsif (ref $channel) {
3152 # send meta info to client, if not yet sent
3153 unless (exists $self->{channel}{$channel->{id}}) {
3154 $self->{channel}{$channel->{id}} = $channel;
3155 $self->ext_msg (channel_info => $channel);
3156 }
3157
3158 $channel = $channel->{id};
3159 }
3160
3161 return unless @extra || length $msg;
3162
3163 # default colour, mask it out
3164 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3165 if $color & cf::NDI_DEF;
3166
3167 my $pkt = "msg "
3168 . $self->{json_coder}->encode (
3169 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3170 );
3171
3172 $self->send_big_packet ($pkt);
3173}
3174
3175=item $client->ext_msg ($type, @msg)
3176
3177Sends an ext event to the client.
3178
3179=cut
3180
3181sub cf::client::ext_msg($$@) {
3182 my ($self, $type, @msg) = @_;
3183
3184 if ($self->extcmd == 2) {
3185 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3186 } elsif ($self->extcmd == 1) { # TODO: remove
3187 push @msg, msgtype => "event_$type";
3188 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3189 }
3190}
3191
3192=item $client->ext_reply ($msgid, @msg)
3193
3194Sends an ext reply to the client.
3195
3196=cut
3197
3198sub cf::client::ext_reply($$@) {
3199 my ($self, $id, @msg) = @_;
3200
3201 if ($self->extcmd == 2) {
3202 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3203 } elsif ($self->extcmd == 1) {
3204 #TODO: version 1, remove
3205 unshift @msg, msgtype => "reply", msgid => $id;
3206 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3207 }
3208}
1981 3209
1982=item $success = $client->query ($flags, "text", \&cb) 3210=item $success = $client->query ($flags, "text", \&cb)
1983 3211
1984Queues a query to the client, calling the given callback with 3212Queues a query to the client, calling the given callback with
1985the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3213the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3214C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987 3215
1988Queries can fail, so check the return code. Or don't, as queries will become 3216Queries can fail, so check the return code. Or don't, as queries will
1989reliable at some point in the future. 3217become reliable at some point in the future.
1990 3218
1991=cut 3219=cut
1992 3220
1993sub cf::client::query { 3221sub cf::client::query {
1994 my ($self, $flags, $text, $cb) = @_; 3222 my ($self, $flags, $text, $cb) = @_;
… …
2002 utf8::encode $text; 3230 utf8::encode $text;
2003 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3231 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004 3232
2005 $self->send_packet ($self->{query_queue}[0][0]) 3233 $self->send_packet ($self->{query_queue}[0][0])
2006 if @{ $self->{query_queue} } == 1; 3234 if @{ $self->{query_queue} } == 1;
3235
3236 1
2007} 3237}
2008 3238
2009cf::client->attach ( 3239cf::client->attach (
3240 on_connect => sub {
3241 my ($ns) = @_;
3242
3243 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3244 },
2010 on_reply => sub { 3245 on_reply => sub {
2011 my ($ns, $msg) = @_; 3246 my ($ns, $msg) = @_;
2012 3247
2013 # this weird shuffling is so that direct followup queries 3248 # this weird shuffling is so that direct followup queries
2014 # get handled first 3249 # get handled first
… …
2026 } else { 3261 } else {
2027 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3262 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028 } 3263 }
2029 } 3264 }
2030 }, 3265 },
3266 on_exticmd => sub {
3267 my ($ns, $buf) = @_;
3268
3269 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3270
3271 if (ref $msg) {
3272 my ($type, $reply, @payload) =
3273 "ARRAY" eq ref $msg
3274 ? @$msg
3275 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3276
3277 my @reply;
3278
3279 if (my $cb = $EXTICMD{$type}) {
3280 @reply = $cb->($ns, @payload);
3281 }
3282
3283 $ns->ext_reply ($reply, @reply)
3284 if $reply;
3285
3286 } else {
3287 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3288 }
3289
3290 cf::override;
3291 },
2031); 3292);
2032 3293
2033=item $client->async (\&cb) 3294=item $client->async (\&cb)
2034 3295
2035Create a new coroutine, running the specified callback. The coroutine will 3296Create a new coroutine, running the specified callback. The coroutine will
… …
2051 3312
2052 $coro 3313 $coro
2053} 3314}
2054 3315
2055cf::client->attach ( 3316cf::client->attach (
2056 on_destroy => sub { 3317 on_client_destroy => sub {
2057 my ($ns) = @_; 3318 my ($ns) = @_;
2058 3319
2059 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3320 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2060 }, 3321 },
2061); 3322);
… …
2076our $safe = new Safe "safe"; 3337our $safe = new Safe "safe";
2077our $safe_hole = new Safe::Hole; 3338our $safe_hole = new Safe::Hole;
2078 3339
2079$SIG{FPE} = 'IGNORE'; 3340$SIG{FPE} = 'IGNORE';
2080 3341
2081$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3342$safe->permit_only (Opcode::opset qw(
3343 :base_core :base_mem :base_orig :base_math :base_loop
3344 grepstart grepwhile mapstart mapwhile
3345 sort time
3346));
2082 3347
2083# here we export the classes and methods available to script code 3348# here we export the classes and methods available to script code
2084 3349
2085=pod 3350=pod
2086 3351
2087The following fucntions and emthods are available within a safe environment: 3352The following functions and methods are available within a safe environment:
2088 3353
2089 cf::object contr pay_amount pay_player map 3354 cf::object
3355 contr pay_amount pay_player map x y force_find force_add destroy
3356 insert remove name archname title slaying race decrease split
3357 value
3358
2090 cf::object::player player 3359 cf::object::player
2091 cf::player peaceful 3360 player
2092 cf::map trigger 3361
3362 cf::player
3363 peaceful
3364
3365 cf::map
3366 trigger
2093 3367
2094=cut 3368=cut
2095 3369
2096for ( 3370for (
2097 ["cf::object" => qw(contr pay_amount pay_player map)], 3371 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3372 insert remove inv nrof name archname title slaying race
3373 decrease split destroy change_exp value msg lore send_msg)],
2098 ["cf::object::player" => qw(player)], 3374 ["cf::object::player" => qw(player)],
2099 ["cf::player" => qw(peaceful)], 3375 ["cf::player" => qw(peaceful send_msg)],
2100 ["cf::map" => qw(trigger)], 3376 ["cf::map" => qw(trigger)],
2101) { 3377) {
2102 no strict 'refs';
2103 my ($pkg, @funs) = @$_; 3378 my ($pkg, @funs) = @$_;
2104 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3379 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2105 for @funs; 3380 for @funs;
2106} 3381}
2107 3382
… …
2122 3397
2123 my $qcode = $code; 3398 my $qcode = $code;
2124 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3399 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2125 $qcode =~ s/\n/\\n/g; 3400 $qcode =~ s/\n/\\n/g;
2126 3401
3402 %vars = (_dummy => 0) unless %vars;
3403
3404 my @res;
2127 local $_; 3405 local $_;
2128 local @safe::cf::_safe_eval_args = values %vars;
2129 3406
2130 my $eval = 3407 my $eval =
2131 "do {\n" 3408 "do {\n"
2132 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3409 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2133 . "#line 0 \"{$qcode}\"\n" 3410 . "#line 0 \"{$qcode}\"\n"
2134 . $code 3411 . $code
2135 . "\n}" 3412 . "\n}"
2136 ; 3413 ;
2137 3414
3415 if ($CFG{safe_eval}) {
2138 sub_generation_inc; 3416 sub_generation_inc;
3417 local @safe::cf::_safe_eval_args = values %vars;
2139 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3418 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2140 sub_generation_inc; 3419 sub_generation_inc;
3420 } else {
3421 local @cf::_safe_eval_args = values %vars;
3422 @res = wantarray ? eval eval : scalar eval $eval;
3423 }
2141 3424
2142 if ($@) { 3425 if ($@) {
2143 warn "$@"; 3426 warn "$@",
2144 warn "while executing safe code '$code'\n"; 3427 "while executing safe code '$code'\n",
2145 warn "with arguments " . (join " ", %vars) . "\n"; 3428 "with arguments " . (join " ", %vars) . "\n";
2146 } 3429 }
2147 3430
2148 wantarray ? @res : $res[0] 3431 wantarray ? @res : $res[0]
2149} 3432}
2150 3433
… …
2164=cut 3447=cut
2165 3448
2166sub register_script_function { 3449sub register_script_function {
2167 my ($fun, $cb) = @_; 3450 my ($fun, $cb) = @_;
2168 3451
2169 no strict 'refs'; 3452 $fun = "safe::$fun" if $CFG{safe_eval};
2170 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3453 *$fun = $safe_hole->wrap ($cb);
2171} 3454}
2172 3455
2173=back 3456=back
2174 3457
2175=cut 3458=cut
2176
2177#############################################################################
2178
2179=head2 EXTENSION DATABASE SUPPORT
2180
2181Crossfire maintains a very simple database for extension use. It can
2182currently store anything that can be serialised using Storable, which
2183excludes objects.
2184
2185The parameter C<$family> should best start with the name of the extension
2186using it, it should be unique.
2187
2188=over 4
2189
2190=item $value = cf::db_get $family => $key
2191
2192Returns a single value from the database.
2193
2194=item cf::db_put $family => $key => $value
2195
2196Stores the given C<$value> in the family.
2197
2198=cut
2199
2200our $DB;
2201
2202unless ($DB) {
2203 $DB = BDB::db_create $DB_ENV;
2204
2205 cf::sync_job {
2206 eval {
2207 $DB->set_flags (BDB::CHKSUM);
2208
2209 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211 cf::cleanup "db_open(db): $!" if $!;
2212 };
2213 cf::cleanup "db_open(db): $@" if $@;
2214 };
2215
2216 my $path = cf::localdir . "/database.pst";
2217 if (stat $path) {
2218 cf::sync_job {
2219 my $pst = Storable::retrieve $path;
2220
2221 cf::db_put (board => data => $pst->{board});
2222 cf::db_put (guildrules => data => $pst->{guildrules});
2223 cf::db_put (rent => balance => $pst->{rent}{balance});
2224 BDB::db_env_txn_checkpoint $DB_ENV;
2225
2226 unlink $path;
2227 };
2228 }
2229}
2230
2231sub db_get($$) {
2232 my $key = "$_[0]/$_[1]";
2233
2234 cf::sync_job {
2235 BDB::db_get $DB, undef, $key, my $data;
2236
2237 $! ? ()
2238 : Compress::LZF::sthaw $data
2239 }
2240}
2241
2242sub db_put($$$) {
2243 BDB::dbreq_pri 4;
2244 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245}
2246 3459
2247############################################################################# 3460#############################################################################
2248# the server's init and main functions 3461# the server's init and main functions
2249 3462
3463sub load_facedata($) {
3464 my ($path) = @_;
3465
3466 # HACK to clear player env face cache, we need some signal framework
3467 # for this (global event?)
3468 %ext::player_env::MUSIC_FACE_CACHE = ();
3469
3470 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3471
3472 trace "loading facedata from $path\n";
3473
3474 my $facedata = decode_storable load_file $path;
3475
3476 $facedata->{version} == 2
3477 or cf::cleanup "$path: version mismatch, cannot proceed.";
3478
3479 # patch in the exptable
3480 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3481 $facedata->{resource}{"res/exp_table"} = {
3482 type => FT_RSRC,
3483 data => $exp_table,
3484 hash => (Digest::MD5::md5 $exp_table),
3485 };
3486 cf::cede_to_tick;
3487
3488 {
3489 my $faces = $facedata->{faceinfo};
3490
3491 while (my ($face, $info) = each %$faces) {
3492 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3493
3494 cf::face::set_visibility $idx, $info->{visibility};
3495 cf::face::set_magicmap $idx, $info->{magicmap};
3496 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3497 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3498 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3499
3500 cf::cede_to_tick;
3501 }
3502
3503 while (my ($face, $info) = each %$faces) {
3504 next unless $info->{smooth};
3505
3506 my $idx = cf::face::find $face
3507 or next;
3508
3509 if (my $smooth = cf::face::find $info->{smooth}) {
3510 cf::face::set_smooth $idx, $smooth;
3511 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3512 } else {
3513 error "smooth face '$info->{smooth}' not found for face '$face'";
3514 }
3515
3516 cf::cede_to_tick;
3517 }
3518 }
3519
3520 {
3521 my $anims = $facedata->{animinfo};
3522
3523 while (my ($anim, $info) = each %$anims) {
3524 cf::anim::set $anim, $info->{frames}, $info->{facings};
3525 cf::cede_to_tick;
3526 }
3527
3528 cf::anim::invalidate_all; # d'oh
3529 }
3530
3531 {
3532 my $res = $facedata->{resource};
3533
3534 while (my ($name, $info) = each %$res) {
3535 if (defined $info->{type}) {
3536 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3537
3538 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3539 cf::face::set_type $idx, $info->{type};
3540 } else {
3541 $RESOURCE{$name} = $info; # unused
3542 }
3543
3544 cf::cede_to_tick;
3545 }
3546 }
3547
3548 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3549
3550 1
3551}
3552
3553register_exticmd fx_want => sub {
3554 my ($ns, $want) = @_;
3555
3556 while (my ($k, $v) = each %$want) {
3557 $ns->fx_want ($k, $v);
3558 }
3559};
3560
2250sub load_resources { 3561sub load_resource_file($) {
2251 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3562 my $guard = lock_acquire "load_resource_file";
3563
3564 my $status = load_resource_file_ $_[0];
3565 get_slot 0.1, 100;
3566 cf::arch::commit_load;
3567
3568 $status
3569}
3570
3571sub reload_regions {
3572 # HACK to clear player env face cache, we need some signal framework
3573 # for this (global event?)
3574 %ext::player_env::MUSIC_FACE_CACHE = ();
3575
3576 load_resource_file "$MAPDIR/regions"
2252 or die "unable to load regions file\n";#d# 3577 or die "unable to load regions file\n";
2253}
2254 3578
2255sub cfg_load { 3579 for (cf::region::list) {
2256 open my $fh, "<:utf8", cf::confdir . "/config" 3580 $_->{match} = qr/$_->{match}/
2257 or return; 3581 if exists $_->{match};
3582 }
3583}
2258 3584
2259 local $/; 3585sub reload_facedata {
2260 *CFG = YAML::Syck::Load <$fh>; 3586 load_facedata "$DATADIR/facedata"
3587 or die "unable to load facedata\n";
3588}
2261 3589
3590sub reload_archetypes {
3591 load_resource_file "$DATADIR/archetypes"
3592 or die "unable to load archetypes\n";
3593}
3594
3595sub reload_treasures {
3596 load_resource_file "$DATADIR/treasures"
3597 or die "unable to load treasurelists\n";
3598}
3599
3600sub reload_sound {
3601 trace "loading sound config from $DATADIR/sound\n";
3602
3603 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3604
3605 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3606 my $sound = $soundconf->{compat}[$_]
3607 or next;
3608
3609 my $face = cf::face::find "sound/$sound->[1]";
3610 cf::sound::set $sound->[0] => $face;
3611 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3612 }
3613
3614 while (my ($k, $v) = each %{$soundconf->{event}}) {
3615 my $face = cf::face::find "sound/$v";
3616 cf::sound::set $k => $face;
3617 }
3618}
3619
3620sub reload_resources {
3621 trace "reloading resource files...\n";
3622
3623 reload_exp_table;
3624 reload_materials;
3625 reload_facedata;
3626 reload_sound;
3627 reload_archetypes;
3628 reload_regions;
3629 reload_treasures;
3630
3631 trace "finished reloading resource files\n";
3632}
3633
3634sub reload_config {
3635 trace "reloading config file...\n";
3636
3637 my $config = load_file "$CONFDIR/config";
3638 utf8::decode $config;
3639 *CFG = decode_yaml $config;
3640
2262 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3641 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2263 3642
2264 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3643 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2265 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3644 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2266 3645
2267 if (exists $CFG{mlockall}) { 3646 if (exists $CFG{mlockall}) {
… …
2271 }; 3650 };
2272 warn $@ if $@; 3651 warn $@ if $@;
2273 } 3652 }
2274} 3653}
2275 3654
2276sub init { 3655sub pidfile() {
2277 load_resources; 3656 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3657 or die "$PIDFILE: $!";
3658 flock $fh, &Fcntl::LOCK_EX
3659 or die "$PIDFILE: flock: $!";
3660 $fh
3661}
3662
3663# make sure only one server instance is running at any one time
3664sub atomic {
3665 my $fh = pidfile;
3666
3667 my $pid = <$fh>;
3668 kill 9, $pid if $pid > 0;
3669
3670 seek $fh, 0, 0;
3671 print $fh $$;
3672}
3673
3674sub main_loop {
3675 trace "EV::loop starting\n";
3676 if (1) {
3677 EV::loop;
3678 }
3679 trace "EV::loop returned\n";
3680 goto &main_loop unless $REALLY_UNLOOP;
2278} 3681}
2279 3682
2280sub main { 3683sub main {
3684 cf::init_globals; # initialise logging
3685
3686 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3687 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3688 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3689 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3690
3691 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3692
2281 # we must not ever block the main coroutine 3693 # we must not ever block the main coroutine
2282 local $Coro::idle = sub { 3694 local $Coro::idle = sub {
2283 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3695 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284 (async { 3696 (async {
2285 Event::one_event; 3697 $Coro::current->{desc} = "IDLE BUG HANDLER";
3698 EV::loop EV::LOOP_ONESHOT;
2286 })->prio (Coro::PRIO_MAX); 3699 })->prio (Coro::PRIO_MAX);
2287 }; 3700 };
2288 3701
2289 cfg_load; 3702 evthread_start IO::AIO::poll_fileno;
3703
3704 cf::sync_job {
3705 cf::incloader::init ();
3706
3707 cf::init_anim;
3708 cf::init_attackmess;
3709 cf::init_dynamic;
3710
3711 cf::load_settings;
3712
3713 reload_resources;
3714 reload_config;
3715 db_init;
3716
3717 cf::init_uuid;
3718 cf::init_signals;
3719 cf::init_skills;
3720
3721 cf::init_beforeplay;
3722
3723 atomic;
3724
2290 load_extensions; 3725 load_extensions;
2291 3726
2292 $TICK_WATCHER->start; 3727 utime time, time, $RUNTIMEFILE;
2293 Event::loop; 3728
3729 # no (long-running) fork's whatsoever before this point(!)
3730 use POSIX ();
3731 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3732
3733 cf::_post_init 0;
3734 };
3735
3736 cf::object::thawer::errors_are_fatal 0;
3737 info "parse errors in files are no longer fatal from this point on.\n";
3738
3739 my $free_main; $free_main = EV::idle sub {
3740 undef $free_main;
3741 undef &main; # free gobs of memory :)
3742 };
3743
3744 goto &main_loop;
2294} 3745}
2295 3746
2296############################################################################# 3747#############################################################################
2297# initialisation and cleanup 3748# initialisation and cleanup
2298 3749
2299# install some emergency cleanup handlers 3750# install some emergency cleanup handlers
2300BEGIN { 3751BEGIN {
3752 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3753 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3754 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3755 cf::cleanup "SIG$signal";
2309 },
2310 ); 3756 };
3757 }
3758}
3759
3760sub write_runtime_sync {
3761 my $t0 = AE::time;
3762
3763 # first touch the runtime file to show we are still running:
3764 # the fsync below can take a very very long time.
3765
3766 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3767
3768 my $guard = cf::lock_acquire "write_runtime";
3769
3770 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3771 or return;
3772
3773 my $value = $cf::RUNTIME + 90 + 10;
3774 # 10 is the runtime save interval, for a monotonic clock
3775 # 60 allows for the watchdog to kill the server.
3776
3777 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3778 and return;
3779
3780 # always fsync - this file is important
3781 aio_fsync $fh
3782 and return;
3783
3784 # touch it again to show we are up-to-date
3785 aio_utime $fh, undef, undef;
3786
3787 close $fh
3788 or return;
3789
3790 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3791 and return;
3792
3793 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3794
2311 } 3795 1
3796}
3797
3798our $uuid_lock;
3799our $uuid_skip;
3800
3801sub write_uuid_sync($) {
3802 $uuid_skip ||= $_[0];
3803
3804 return if $uuid_lock;
3805 local $uuid_lock = 1;
3806
3807 my $uuid = "$LOCALDIR/uuid";
3808
3809 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3810 or return;
3811
3812 my $value = uuid_seq uuid_cur;
3813
3814 unless ($value) {
3815 info "cowardly refusing to write zero uuid value!\n";
3816 return;
3817 }
3818
3819 my $value = uuid_str $value + $uuid_skip;
3820 $uuid_skip = 0;
3821
3822 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3823 and return;
3824
3825 # always fsync - this file is important
3826 aio_fsync $fh
3827 and return;
3828
3829 close $fh
3830 or return;
3831
3832 aio_rename "$uuid~", $uuid
3833 and return;
3834
3835 trace "uuid file written ($value).\n";
3836
3837 1
3838
3839}
3840
3841sub write_uuid($$) {
3842 my ($skip, $sync) = @_;
3843
3844 $sync ? write_uuid_sync $skip
3845 : async { write_uuid_sync $skip };
2312} 3846}
2313 3847
2314sub emergency_save() { 3848sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3849 my $freeze_guard = cf::freeze_mainloop;
2316 3850
2317 warn "enter emergency perl save\n"; 3851 info "emergency_perl_save: enter\n";
3852
3853 # this is a trade-off: we want to be very quick here, so
3854 # save all maps without fsync, and later call a global sync
3855 # (which in turn might be very very slow)
3856 local $USE_FSYNC = 0;
2318 3857
2319 cf::sync_job { 3858 cf::sync_job {
3859 cf::write_runtime_sync; # external watchdog should not bark
3860
2320 # use a peculiar iteration method to avoid tripping on perl 3861 # use a peculiar iteration method to avoid tripping on perl
2321 # refcount bugs in for. also avoids problems with players 3862 # refcount bugs in for. also avoids problems with players
2322 # and maps saved/destroyed asynchronously. 3863 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3864 info "emergency_perl_save: begin player save\n";
2324 for my $login (keys %cf::PLAYER) { 3865 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3866 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3867 $pl->valid or next;
3868 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3869 $pl->save;
2328 } 3870 }
2329 warn "end emergency player save\n"; 3871 info "emergency_perl_save: end player save\n";
2330 3872
2331 warn "begin emergency map save\n"; 3873 cf::write_runtime_sync; # external watchdog should not bark
3874
3875 info "emergency_perl_save: begin map save\n";
2332 for my $path (keys %cf::MAP) { 3876 for my $path (keys %cf::MAP) {
2333 my $map = $cf::MAP{$path} or next; 3877 my $map = $cf::MAP{$path} or next;
2334 $map->valid or next; 3878 $map->valid or next;
2335 $map->save; 3879 $map->save;
2336 } 3880 }
2337 warn "end emergency map save\n"; 3881 info "emergency_perl_save: end map save\n";
2338 3882
2339 warn "begin emergency database checkpoint\n"; 3883 cf::write_runtime_sync; # external watchdog should not bark
3884
3885 info "emergency_perl_save: begin database checkpoint\n";
2340 BDB::db_env_txn_checkpoint $DB_ENV; 3886 BDB::db_env_txn_checkpoint $DB_ENV;
2341 warn "end emergency database checkpoint\n"; 3887 info "emergency_perl_save: end database checkpoint\n";
3888
3889 info "emergency_perl_save: begin write uuid\n";
3890 write_uuid_sync 1;
3891 info "emergency_perl_save: end write uuid\n";
3892
3893 cf::write_runtime_sync; # external watchdog should not bark
3894
3895 trace "emergency_perl_save: syncing database to disk";
3896 BDB::db_env_txn_checkpoint $DB_ENV;
3897
3898 info "emergency_perl_save: starting sync\n";
3899 IO::AIO::aio_sync sub {
3900 info "emergency_perl_save: finished sync\n";
3901 };
3902
3903 cf::write_runtime_sync; # external watchdog should not bark
3904
3905 trace "emergency_perl_save: flushing outstanding aio requests";
3906 while (IO::AIO::nreqs || BDB::nreqs) {
3907 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3908 }
3909
3910 cf::write_runtime_sync; # external watchdog should not bark
2342 }; 3911 };
2343 3912
2344 warn "leave emergency perl save\n"; 3913 info "emergency_perl_save: leave\n";
2345} 3914}
2346 3915
3916sub post_cleanup {
3917 my ($make_core) = @_;
3918
3919 IO::AIO::flush;
3920
3921 error Carp::longmess "post_cleanup backtrace"
3922 if $make_core;
3923
3924 my $fh = pidfile;
3925 unlink $PIDFILE if <$fh> == $$;
3926}
3927
3928# a safer delete_package, copied from Symbol
3929sub clear_package($) {
3930 my $pkg = shift;
3931
3932 # expand to full symbol table name if needed
3933 unless ($pkg =~ /^main::.*::$/) {
3934 $pkg = "main$pkg" if $pkg =~ /^::/;
3935 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3936 $pkg .= '::' unless $pkg =~ /::$/;
3937 }
3938
3939 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3940 my $stem_symtab = *{$stem}{HASH};
3941
3942 defined $stem_symtab and exists $stem_symtab->{$leaf}
3943 or return;
3944
3945 # clear all symbols
3946 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3947 for my $name (keys %$leaf_symtab) {
3948 _gv_clear *{"$pkg$name"};
3949# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3950 }
3951}
3952
2347sub reload() { 3953sub do_reload_perl() {
2348 # can/must only be called in main 3954 # can/must only be called in main
2349 if ($Coro::current != $Coro::main) { 3955 unless (in_main) {
2350 warn "can only reload from main coroutine"; 3956 error "can only reload from main coroutine";
2351 return; 3957 return;
2352 } 3958 }
2353 3959
2354 warn "reloading..."; 3960 return if $RELOAD++;
2355 3961
2356 warn "cancelling server ticker"; 3962 my $t1 = AE::time;
2357 $TICK_WATCHER->cancel;
2358 3963
3964 while ($RELOAD) {
3965 cf::get_slot 0.1, -1, "reload_perl";
3966 info "perl_reload: reloading...";
3967
3968 trace "perl_reload: entering sync_job";
3969
3970 cf::sync_job {
2359 cf::emergency_save; 3971 #cf::emergency_save;
2360 3972
2361 eval {
2362 # if anything goes wrong in here, we should simply crash as we already saved
2363
2364 warn "cancelling all WF_AUTOCANCEL watchers";
2365 for (Event::all_watchers) {
2366 $_->cancel if $_->data & WF_AUTOCANCEL;
2367 }
2368
2369 warn "syncing database to disk";
2370 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371
2372 warn "flushing outstanding aio requests";
2373 for (;;) {
2374 BDB::flush;
2375 IO::AIO::flush;
2376 Coro::cede;
2377 last unless IO::AIO::nreqs || BDB::nreqs;
2378 warn "iterate...";
2379 }
2380
2381 warn "cancelling all extension coros"; 3973 trace "perl_reload: cancelling all extension coros";
2382 $_->cancel for values %EXT_CORO; 3974 $_->cancel for values %EXT_CORO;
2383 %EXT_CORO = (); 3975 %EXT_CORO = ();
2384 3976
2385 warn "removing commands"; 3977 trace "perl_reload: removing commands";
2386 %COMMAND = (); 3978 %COMMAND = ();
2387 3979
2388 warn "removing ext commands"; 3980 trace "perl_reload: removing ext/exti commands";
2389 %EXTCMD = (); 3981 %EXTCMD = ();
3982 %EXTICMD = ();
2390 3983
2391 warn "unloading/nuking all extensions"; 3984 trace "perl_reload: unloading/nuking all extensions";
2392 for my $pkg (@EXTS) { 3985 for my $pkg (@EXTS) {
2393 warn "... unloading $pkg"; 3986 trace "... unloading $pkg";
2394 3987
2395 if (my $cb = $pkg->can ("unload")) { 3988 if (my $cb = $pkg->can ("unload")) {
2396 eval { 3989 eval {
2397 $cb->($pkg); 3990 $cb->($pkg);
2398 1 3991 1
2399 } or warn "$pkg unloaded, but with errors: $@"; 3992 } or error "$pkg unloaded, but with errors: $@";
3993 }
3994
3995 trace "... clearing $pkg";
3996 clear_package $pkg;
2400 } 3997 }
2401 3998
2402 warn "... nuking $pkg";
2403 Symbol::delete_package $pkg;
2404 }
2405
2406 warn "unloading all perl modules loaded from $LIBDIR"; 3999 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2407 while (my ($k, $v) = each %INC) { 4000 while (my ($k, $v) = each %INC) {
2408 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 4001 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2409 4002
2410 warn "... unloading $k"; 4003 trace "... unloading $k";
2411 delete $INC{$k}; 4004 delete $INC{$k};
2412 4005
2413 $k =~ s/\.pm$//; 4006 $k =~ s/\.pm$//;
2414 $k =~ s/\//::/g; 4007 $k =~ s/\//::/g;
2415 4008
2416 if (my $cb = $k->can ("unload_module")) { 4009 if (my $cb = $k->can ("unload_module")) {
2417 $cb->(); 4010 $cb->();
4011 }
4012
4013 clear_package $k;
2418 } 4014 }
2419 4015
2420 Symbol::delete_package $k;
2421 }
2422
2423 warn "getting rid of safe::, as good as possible"; 4016 trace "perl_reload: getting rid of safe::, as good as possible";
2424 Symbol::delete_package "safe::$_" 4017 clear_package "safe::$_"
2425 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 4018 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426 4019
2427 warn "unloading cf.pm \"a bit\""; 4020 trace "perl_reload: unloading cf.pm \"a bit\"";
2428 delete $INC{"cf.pm"}; 4021 delete $INC{"cf.pm"};
4022 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2429 4023
2430 # don't, removes xs symbols, too, 4024 # don't, removes xs symbols, too,
2431 # and global variables created in xs 4025 # and global variables created in xs
2432 #Symbol::delete_package __PACKAGE__; 4026 #clear_package __PACKAGE__;
2433 4027
2434 warn "unload completed, starting to reload now"; 4028 info "perl_reload: unload completed, starting to reload now";
2435 4029
2436 warn "reloading cf.pm"; 4030 trace "perl_reload: reloading cf.pm";
2437 require cf; 4031 require cf;
2438 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4032 cf::_connect_to_perl_1;
2439 4033
2440 warn "loading config and database again"; 4034 trace "perl_reload: loading config and database again";
2441 cf::cfg_load; 4035 cf::reload_config;
2442 4036
2443 warn "loading extensions"; 4037 trace "perl_reload: loading extensions";
2444 cf::load_extensions; 4038 cf::load_extensions;
2445 4039
4040 if ($REATTACH_ON_RELOAD) {
2446 warn "reattaching attachments to objects/players"; 4041 trace "perl_reload: reattaching attachments to objects/players";
2447 _global_reattach; 4042 _global_reattach; # objects, sockets
2448 warn "reattaching attachments to maps"; 4043 trace "perl_reload: reattaching attachments to maps";
2449 reattach $_ for values %MAP; 4044 reattach $_ for values %MAP;
4045 trace "perl_reload: reattaching attachments to players";
4046 reattach $_ for values %PLAYER;
4047 }
2450 4048
2451 warn "loading reloadable resources"; 4049 cf::_post_init 1;
2452 load_resources;
2453 4050
2454 warn "restarting server ticker"; 4051 trace "perl_reload: leaving sync_job";
2455 4052
2456 $TICK_WATCHER->start; 4053 1
4054 } or do {
4055 error $@;
4056 cf::cleanup "perl_reload: error, exiting.";
4057 };
4058
4059 --$RELOAD;
4060 }
4061
4062 $t1 = AE::time - $t1;
4063 info "perl_reload: completed in ${t1}s\n";
4064};
4065
4066our $RELOAD_WATCHER; # used only during reload
4067
4068sub reload_perl() {
4069 # doing reload synchronously and two reloads happen back-to-back,
4070 # coro crashes during coro_state_free->destroy here.
4071
4072 $RELOAD_WATCHER ||= cf::async {
4073 Coro::AIO::aio_wait cache_extensions;
4074
4075 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
4076 do_reload_perl;
4077 undef $RELOAD_WATCHER;
4078 };
2457 }; 4079 };
2458 4080}
2459 if ($@) {
2460 warn $@;
2461 warn "error while reloading, exiting.";
2462 exit 1;
2463 }
2464
2465 warn "reloaded";
2466};
2467
2468our $RELOAD_WATCHER; # used only during reload
2469 4081
2470register_command "reload" => sub { 4082register_command "reload" => sub {
2471 my ($who, $arg) = @_; 4083 my ($who, $arg) = @_;
2472 4084
2473 if ($who->flag (FLAG_WIZ)) { 4085 if ($who->flag (FLAG_WIZ)) {
2474 $who->message ("reloading server."); 4086 $who->message ("reloading server.");
2475 4087 async {
2476 # doing reload synchronously and two reloads happen back-to-back, 4088 $Coro::current->{desc} = "perl_reload";
2477 # coro crashes during coro_state_free->destroy here.
2478
2479 $RELOAD_WATCHER ||= Event->timer (
2480 reentrant => 0,
2481 after => 0,
2482 data => WF_AUTOCANCEL,
2483 cb => sub {
2484 reload; 4089 reload_perl;
2485 undef $RELOAD_WATCHER;
2486 },
2487 ); 4090 };
2488 } 4091 }
2489}; 4092};
2490 4093
2491unshift @INC, $LIBDIR; 4094#############################################################################
2492 4095
2493my $bug_warning = 0; 4096my $bug_warning = 0;
2494 4097
2495$TICK_WATCHER = Event->timer ( 4098our @WAIT_FOR_TICK;
2496 reentrant => 0, 4099our @WAIT_FOR_TICK_BEGIN;
2497 parked => 1, 4100
2498 prio => 0, 4101sub wait_for_tick() {
2499 at => $NEXT_TICK || $TICK, 4102 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2500 data => WF_AUTOCANCEL, 4103
2501 cb => sub { 4104 my $signal = new Coro::Signal;
4105 push @WAIT_FOR_TICK, $signal;
4106 $signal->wait;
4107}
4108
4109sub wait_for_tick_begin() {
4110 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
4111
4112 my $signal = new Coro::Signal;
4113 push @WAIT_FOR_TICK_BEGIN, $signal;
4114 $signal->wait;
4115}
4116
4117sub tick {
2502 if ($Coro::current != $Coro::main) { 4118 if ($Coro::current != $Coro::main) {
2503 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4119 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504 unless ++$bug_warning > 10; 4120 unless ++$bug_warning > 10;
2505 return; 4121 return;
2506 } 4122 }
2507 4123
2508 $NOW = Event::time;
2509
2510 cf::server_tick; # one server iteration 4124 cf::server_tick; # one server iteration
2511 $RUNTIME += $TICK;
2512 $NEXT_TICK += $TICK;
2513 4125
2514 $WAIT_FOR_TICK->broadcast; 4126 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2515 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2516 4127
2517 Event::sweep; 4128 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2518 Coro::cede_notself; 4129 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
4130 Coro::async_pool {
4131 $Coro::current->{desc} = "runtime saver";
4132 write_runtime_sync
4133 or error "ERROR: unable to write runtime file: $!";
4134 };
4135 }
4136
4137 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
4138 $sig->send;
4139 }
4140 while (my $sig = shift @WAIT_FOR_TICK) {
4141 $sig->send;
4142 }
4143
4144 $LOAD = ($NOW - $TICK_START) / $TICK;
4145 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4146
4147 if (0) {
4148 if ($NEXT_TICK) {
4149 my $jitter = $TICK_START - $NEXT_TICK;
4150 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4151 debug "jitter $JITTER\n";#d#
2519 4152 }
2520# my $AFTER = Event::time;
2521# warn $AFTER - $NOW;#d#
2522
2523 # if we are delayed by four ticks or more, skip them all
2524 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526 $TICK_WATCHER->at ($NEXT_TICK);
2527 $TICK_WATCHER->start;
2528 }, 4153 }
2529); 4154}
2530 4155
2531{ 4156{
2532 BDB::max_poll_time $TICK * 0.1; 4157 # configure BDB
2533 $BDB_POLL_WATCHER = Event->io ( 4158
2534 reentrant => 0,
2535 fd => BDB::poll_fileno,
2536 poll => 'r',
2537 prio => 0,
2538 data => WF_AUTOCANCEL,
2539 cb => \&BDB::poll_cb,
2540 );
2541 BDB::min_parallel 8; 4159 BDB::min_parallel 16;
2542 4160 BDB::max_poll_reqs $TICK * 0.1;
2543 BDB::set_sync_prepare { 4161 $AnyEvent::BDB::WATCHER->priority (1);
2544 my $status;
2545 my $current = $Coro::current;
2546 (
2547 sub {
2548 $status = $!;
2549 $current->ready; undef $current;
2550 },
2551 sub {
2552 Coro::schedule while defined $current;
2553 $! = $status;
2554 },
2555 )
2556 };
2557 4162
2558 unless ($DB_ENV) { 4163 unless ($DB_ENV) {
2559 $DB_ENV = BDB::db_env_create; 4164 $DB_ENV = BDB::db_env_create;
4165 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4166 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4167 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4168 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4169 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2560 4170
2561 cf::sync_job { 4171 cf::sync_job {
2562 eval { 4172 eval {
2563 BDB::db_env_open 4173 BDB::db_env_open
2564 $DB_ENV, 4174 $DB_ENV,
2565 $BDB_ENV_DIR, 4175 $BDBDIR,
2566 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4176 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4177 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568 0666; 4178 0666;
2569 4179
2570 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 4180 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573 $DB_ENV->set_lk_detect;
2574 }; 4181 };
2575 4182
2576 cf::cleanup "db_env_open(db): $@" if $@; 4183 cf::cleanup "db_env_open(db): $@" if $@;
2577 }; 4184 };
2578 } 4185 }
4186
4187 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4188 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4189 };
4190 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4191 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4192 };
4193 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4194 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4195 };
2579} 4196}
2580 4197
2581{ 4198{
4199 # configure IO::AIO
4200
2582 IO::AIO::min_parallel 8; 4201 IO::AIO::min_parallel 8;
2583
2584 undef $Coro::AIO::WATCHER;
2585 IO::AIO::max_poll_time $TICK * 0.1; 4202 IO::AIO::max_poll_time $TICK * 0.1;
2586 $AIO_POLL_WATCHER = Event->io ( 4203 undef $AnyEvent::AIO::WATCHER;
2587 reentrant => 0,
2588 fd => IO::AIO::poll_fileno,
2589 poll => 'r',
2590 prio => 6,
2591 data => WF_AUTOCANCEL,
2592 cb => \&IO::AIO::poll_cb,
2593 );
2594} 4204}
2595 4205
2596$WRITE_RUNTIME_WATCHER = Event->timer ( 4206our $_log_backtrace;
2597 reentrant => 0, 4207our $_log_backtrace_last;
2598 data => WF_AUTOCANCEL, 4208
2599 after => 1, 4209sub _log_backtrace {
2600 interval => 10, 4210 my ($msg, @addr) = @_;
2601 prio => 6, # keep it lowest so it acts like a watchdog 4211
2602 cb => Coro::unblock_sub { 4212 $msg =~ s/\n$//;
2603 write_runtime 4213
2604 or warn "ERROR: unable to write runtime file: $!"; 4214 if ($_log_backtrace_last eq $msg) {
4215 LOG llevInfo, "[ABT] $msg\n";
4216 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
4217 # limit the # of concurrent backtraces
4218 } elsif ($_log_backtrace < 2) {
4219 $_log_backtrace_last = $msg;
4220 ++$_log_backtrace;
4221 my $perl_bt = Carp::longmess $msg;
4222 async {
4223 $Coro::current->{desc} = "abt $msg";
4224
4225 my @bt = fork_call {
4226 @addr = map { sprintf "%x", $_ } @addr;
4227 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4228 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4229 or die "addr2line: $!";
4230
4231 my @funcs;
4232 my @res = <$fh>;
4233 chomp for @res;
4234 while (@res) {
4235 my ($func, $line) = splice @res, 0, 2, ();
4236 push @funcs, "[$func] $line";
4237 }
4238
4239 @funcs
4240 };
4241
4242 LOG llevInfo, "[ABT] $perl_bt\n";
4243 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4244 LOG llevInfo, "[ABT] $_\n" for @bt;
4245 --$_log_backtrace;
4246 };
4247 } else {
4248 LOG llevInfo, "[ABT] $msg\n";
4249 LOG llevInfo, "[ABT] [overload, suppressed]\n";
2605 }, 4250 }
2606); 4251}
4252
4253# load additional modules
4254require "cf/$_.pm" for @EXTRA_MODULES;
4255cf::_connect_to_perl_2;
2607 4256
2608END { cf::emergency_save } 4257END { cf::emergency_save }
2609 4258
26101 42591
2611 4260

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