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Revision 1.283 by root, Sun Jun 24 04:09:29 2007 UTC vs.
Revision 1.560 by root, Fri Apr 22 02:03:12 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
98
61our $DATADIR = datadir; 99our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
103
65our $LOCALDIR = localdir; 104our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 105our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 106our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 107our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 108our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 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;
71 120
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 121our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 122our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 123our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 124our $USE_FSYNC = 1; # use fsync to write maps - default on
79 125
126our $BDB_DEADLOCK_WATCHER;
127our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 128our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 129our $DB_ENV;
130
131our @EXTRA_MODULES = qw(pod match mapscript incloader);
82 132
83our %CFG; 133our %CFG;
84 134
85our $UPTIME; $UPTIME ||= time; 135our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 136our $RUNTIME;
137our $NOW;
87 138
88our %PLAYER; # all users 139our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 140our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 141our $LINK_MAP; # the special {link} map, which is always available
91 142
92# 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 ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 144our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 145
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 146our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 147our $LOADAVG; # same thing, but with alpha-smoothing
148our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 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 $REALLY_UNLOOP; # never set to true, please :)
98 155
99binmode STDOUT; 156binmode STDOUT;
100binmode STDERR; 157binmode STDERR;
101 158
102# read virtual server time, if available 159# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 160unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 161 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 162 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 163 $RUNTIME = <$fh> + 0.;
107} 164}
165
166eval "sub TICK() { $TICK } 1" or die;
108 167
109mkdir $_ 168mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 169 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 170
112our $EMERGENCY_POSITION; 171our $EMERGENCY_POSITION;
113 172
114sub 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::"} };
115 189
116############################################################################# 190#############################################################################
117 191
118=head2 GLOBAL VARIABLES 192=head2 GLOBAL VARIABLES
119 193
155 229
156The raw value load value from the last tick. 230The raw value load value from the last tick.
157 231
158=item %cf::CFG 232=item %cf::CFG
159 233
160Configuration for the server, loaded from C</etc/crossfire/config>, or 234Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 235from wherever your confdir points to.
162 236
163=item cf::wait_for_tick, cf::wait_for_tick_begin 237=item cf::wait_for_tick, cf::wait_for_tick_begin
164 238
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 239These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 240returns directly I<after> the tick processing (and consequently, can only wake one thread
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 241per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 242
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.
259
169=back 260=back
170 261
171=cut 262=cut
172 263
173BEGIN { 264sub error(@) { LOG llevError, join "", @_ }
174 *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 {
175 my $msg = join "", @_; 271 my $msg = join "", @_;
176 272
177 $msg .= "\n" 273 $msg .= "\n"
178 unless $msg =~ /\n$/; 274 unless $msg =~ /\n$/;
179 275
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 276 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 277
182 utf8::encode $msg;
183 LOG llevError, $msg; 278 LOG llevWarn, $msg;
184 }; 279};
185} 280
281$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};
186 294
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 295@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 296@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 297@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 298@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 305for my $pkg (qw(
198 cf::global cf::attachable 306 cf::global cf::attachable
199 cf::object cf::object::player 307 cf::object cf::object::player
200 cf::client cf::player 308 cf::client cf::player
201 cf::arch cf::living 309 cf::arch cf::living
310 cf::map cf::mapspace
202 cf::map cf::party cf::region 311 cf::party cf::region
203)) { 312)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 313 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 314}
207 315
208$Event::DIED = sub { 316$EV::DIED = sub {
209 warn "error in event callback: @_"; 317 Carp::cluck "error in event callback: @_";
210}; 318};
319
320#############################################################################
321
322sub fork_call(&@);
323sub get_slot($;$$);
211 324
212############################################################################# 325#############################################################################
213 326
214=head2 UTILITY FUNCTIONS 327=head2 UTILITY FUNCTIONS
215 328
236 $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;
237 $d 350 $d
238 } || "[unable to dump $_[0]: '$@']"; 351 } || "[unable to dump $_[0]: '$@']";
239} 352}
240 353
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working 354=item $scalar = load_file $path
242 355
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
243=item $ref = cf::from_json $json 368=item $ref = cf::decode_json $json
244 369
245Converts a JSON string into the corresponding perl data structure. 370Converts a JSON string into the corresponding perl data structure.
246 371
247=item $json = cf::to_json $ref 372=item $json = cf::encode_json $ref
248 373
249Converts a perl data structure into its JSON representation. 374Converts a perl data structure into its JSON representation.
250 375
376=cut
377
378our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
379
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 }
443}
444
251=item cf::lock_wait $string 445=item cf::lock_wait $string
252 446
253Wait until the given lock is available. See cf::lock_acquire. 447Wait until the given lock is available. See cf::lock_acquire.
254 448
255=item my $lock = cf::lock_acquire $string 449=item my $lock = cf::lock_acquire $string
256 450
257Wait 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
258a 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,
259for example when the coroutine gets canceled), the lock is automatically 453for example when the coroutine gets canceled), the lock is automatically
260returned. 454returned.
261 455
456Locks are *not* recursive, locking from the same coro twice results in a
457deadlocked coro.
458
262Lock 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
263uses map_find and cf::map::load uses map_load). 460uses map_find and cf::map::load uses map_load).
264 461
265=item $locked = cf::lock_active $string 462=item $locked = cf::lock_active $string
266 463
267Return true if the lock is currently active, i.e. somebody has locked it. 464Return true if the lock is currently active, i.e. somebody has locked it.
268 465
269=cut 466=cut
270 467
271our %LOCK; 468our $LOCKS = new Coro::SemaphoreSet;
272 469
273sub lock_wait($) { 470sub lock_wait($) {
274 my ($key) = @_; 471 $LOCKS->wait ($_[0]);
275
276 # wait for lock, if any
277 while ($LOCK{$key}) {
278 push @{ $LOCK{$key} }, $Coro::current;
279 Coro::schedule;
280 }
281} 472}
282 473
283sub lock_acquire($) { 474sub lock_acquire($) {
284 my ($key) = @_; 475 $LOCKS->guard ($_[0])
285
286 # wait, to be sure we are not locked
287 lock_wait $key;
288
289 $LOCK{$key} = [];
290
291 Coro::guard {
292 # wake up all waiters, to be on the safe side
293 $_->ready for @{ delete $LOCK{$key} };
294 }
295} 476}
296 477
297sub lock_active($) { 478sub lock_active($) {
298 my ($key) = @_; 479 $LOCKS->count ($_[0]) < 1
299
300 ! ! $LOCK{$key}
301} 480}
302 481
303sub freeze_mainloop { 482sub freeze_mainloop {
304 return unless $TICK_WATCHER->is_active; 483 tick_inhibit_inc;
305 484
306 my $guard = Coro::guard { 485 &Guard::guard (\&tick_inhibit_dec);
307 $TICK_WATCHER->start; 486}
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 }
308 }; 556 }
309 $TICK_WATCHER->stop; 557};
310 $guard 558
559sub get_slot($;$$) {
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;
311} 572}
312 573
313=item cf::async { BLOCK } 574=item cf::async { BLOCK }
314 575
315Currently the same as Coro::async_pool, meaning you cannot use 576Currently the same as Coro::async_pool, meaning you cannot use
320 581
321BEGIN { *async = \&Coro::async_pool } 582BEGIN { *async = \&Coro::async_pool }
322 583
323=item cf::sync_job { BLOCK } 584=item cf::sync_job { BLOCK }
324 585
325The design of Crossfire TRT requires that the main coroutine ($Coro::main) 586The design of Deliantra requires that the main coroutine ($Coro::main)
326is always able to handle events or runnable, as Crossfire TRT is only 587is always able to handle events or runnable, as Deliantra is only
327partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 588partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328acceptable. 589acceptable.
329 590
330If 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
331the given BLOCK in another coroutine while waiting for the result. The 592the given BLOCK in another coroutine while waiting for the result. The
335=cut 596=cut
336 597
337sub sync_job(&) { 598sub sync_job(&) {
338 my ($job) = @_; 599 my ($job) = @_;
339 600
340 if ($Coro::current == $Coro::main) { 601 if (in_main) {
341 my $time = Event::time; 602 my $time = AE::time;
342 603
343 # this is the main coro, too bad, we have to block 604 # this is the main coro, too bad, we have to block
344 # till the operation succeeds, freezing the server :/ 605 # till the operation succeeds, freezing the server :/
345 606
346 # TODO: use suspend/resume instead 607 #LOG llevError, Carp::longmess "sync job";#d#
347 # (but this is cancel-safe) 608
348 my $freeze_guard = freeze_mainloop; 609 my $freeze_guard = freeze_mainloop;
349 610
350 my $busy = 1; 611 my $busy = 1;
351 my @res; 612 my @res;
352 613
353 (async { 614 (async {
615 $Coro::current->desc ("sync job coro");
354 @res = eval { $job->() }; 616 @res = eval { $job->() };
355 warn $@ if $@; 617 error $@ if $@;
356 undef $busy; 618 undef $busy;
357 })->prio (Coro::PRIO_MAX); 619 })->prio (Coro::PRIO_MAX);
358 620
359 while ($busy) { 621 while ($busy) {
360 Coro::cede or Event::one_event; 622 if (Coro::nready) {
623 Coro::cede_notself;
624 } else {
625 EV::loop EV::LOOP_ONESHOT;
361 } 626 }
627 }
362 628
363 $time = Event::time - $time; 629 my $time = AE::time - $time;
364 630
365 LOG llevError | logBacktrace, Carp::longmess "long sync job"
366 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368 $tick_start += $time; # do not account sync jobs to server load 631 $TICK_START += $time; # do not account sync jobs to server load
369 632
370 wantarray ? @res : $res[0] 633 wantarray ? @res : $res[0]
371 } else { 634 } else {
372 # we are in another coroutine, how wonderful, everything just works 635 # we are in another coroutine, how wonderful, everything just works
373 636
393 $EXT_CORO{$coro+0} = $coro; 656 $EXT_CORO{$coro+0} = $coro;
394 657
395 $coro 658 $coro
396} 659}
397 660
398=item fork_call { }, $args 661=item fork_call { }, @args
399 662
400Executes the given code block with the given arguments in a seperate 663Executes the given code block with the given arguments in a seperate
401process, returning the results. Everything must be serialisable with 664process, returning the results. Everything must be serialisable with
402Coro::Storable. May, of course, block. Note that the executed sub may 665Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 666never block itself or use any form of event handling.
404 667
405=cut 668=cut
669
670sub post_fork {
671 reset_signals;
672}
406 673
407sub fork_call(&@) { 674sub fork_call(&@) {
408 my ($cb, @args) = @_; 675 my ($cb, @args) = @_;
409 676
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 677 # we seemingly have to make a local copy of the whole thing,
411# or die "socketpair: $!"; 678 # otherwise perl prematurely frees the stuff :/
412 pipe my $fh1, my $fh2 679 # TODO: investigate and fix (likely this will be rather laborious)
413 or die "pipe: $!";
414 680
415 if (my $pid = fork) { 681 my @res = Coro::Util::fork_eval {
416 close $fh2; 682 cf::post_fork;
683 &$cb
684 } @args;
417 685
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 686 wantarray ? @res : $res[-1]
419 $res = Coro::Storable::thaw $res; 687}
420 688
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 689sub objinfo {
422
423 die $$res unless "ARRAY" eq ref $res;
424
425 return wantarray ? @$res : $res->[-1];
426 } else {
427 reset_signals;
428 local $SIG{__WARN__};
429 local $SIG{__DIE__};
430 eval {
431 close $fh1;
432
433 my @res = eval { $cb->(@args) };
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435 };
436
437 warn $@ if $@;
438 _exit 0;
439 } 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
440} 725}
441 726
442=item $value = cf::db_get $family => $key 727=item $value = cf::db_get $family => $key
443 728
444Returns a single value from the environment database. 729Returns a single value from the environment database.
446=item cf::db_put $family => $key => $value 731=item cf::db_put $family => $key => $value
447 732
448Stores the given C<$value> in the family. It can currently store binary 733Stores the given C<$value> in the family. It can currently store binary
449data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 734data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450 735
736=item $db = cf::db_table "name"
737
738Create and/or open a new database table. The string must not be "db" and must be unique
739within each server.
740
451=cut 741=cut
742
743sub db_table($) {
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}
452 762
453our $DB; 763our $DB;
454 764
455sub db_init { 765sub db_init {
456 unless ($DB) { 766 $DB ||= db_table "db";
457 $DB = BDB::db_create $DB_ENV;
458
459 cf::sync_job {
460 eval {
461 $DB->set_flags (BDB::CHKSUM);
462
463 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465 cf::cleanup "db_open(db): $!" if $!;
466 };
467 cf::cleanup "db_open(db): $@" if $@;
468 };
469 }
470} 767}
471 768
472sub db_get($$) { 769sub db_get($$) {
473 my $key = "$_[0]/$_[1]"; 770 my $key = "$_[0]/$_[1]";
474 771
475 cf::sync_job { 772 cf::error "db_get called from main context"
773 if $Coro::current == $Coro::main;
774
476 BDB::db_get $DB, undef, $key, my $data; 775 BDB::db_get $DB, undef, $key, my $data;
477 776
478 $! ? () 777 $! ? ()
479 : $data 778 : $data
480 }
481} 779}
482 780
483sub db_put($$$) { 781sub db_put($$$) {
484 BDB::dbreq_pri 4; 782 BDB::dbreq_pri 4;
485 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 783 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
513 811
514 my @data; 812 my @data;
515 my $md5; 813 my $md5;
516 814
517 for (0 .. $#$src) { 815 for (0 .. $#$src) {
518 0 <= aio_load $src->[$_], $data[$_] 816 $data[$_] = load_file $src->[$_];
519 or Carp::croak "$src->[$_]: $!";
520 } 817 }
521 818
522 # if processing is expensive, check 819 # if processing is expensive, check
523 # checksum first 820 # checksum first
524 if (1) { 821 if (1) {
525 $md5 = 822 $md5 =
526 join "\x00", 823 join "\x00",
527 $processversion, 824 $processversion,
528 map { 825 map {
529 Coro::cede; 826 cf::cede_to_tick;
530 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 827 ($src->[$_], Digest::MD5::md5_hex $data[$_])
531 } 0.. $#$src; 828 } 0.. $#$src;
532 829
533 830
534 my $dbmd5 = db_get cache => "$id/md5"; 831 my $dbmd5 = db_get cache => "$id/md5";
541 838
542 my $t1 = Time::HiRes::time; 839 my $t1 = Time::HiRes::time;
543 my $data = $process->(\@data); 840 my $data = $process->(\@data);
544 my $t2 = Time::HiRes::time; 841 my $t2 = Time::HiRes::time;
545 842
546 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 843 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547 844
548 db_put cache => "$id/data", $data; 845 db_put cache => "$id/data", $data;
549 db_put cache => "$id/md5" , $md5; 846 db_put cache => "$id/md5" , $md5;
550 db_put cache => "$id/meta", $meta; 847 db_put cache => "$id/meta", $meta;
551 848
561 858
562=cut 859=cut
563 860
564sub datalog($@) { 861sub datalog($@) {
565 my ($type, %kv) = @_; 862 my ($type, %kv) = @_;
566 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 863 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567} 864}
568 865
569=back 866=back
570 867
571=cut 868=cut
572 869
573############################################################################# 870#############################################################################
574 871
575=head2 ATTACHABLE OBJECTS 872=head2 ATTACHABLE OBJECTS
576 873
577Many 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
578attach callbacks/event handlers (a collection of which is called an "attachment") 875attach callbacks/event handlers (a collection of which is called an "attachment")
579to it. All such attachable objects support the following methods. 876to it. All such attachable objects support the following methods.
580 877
581In 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>
582C<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
583Crossfire TRT). 880Deliantra).
584 881
585=over 4 882=over 4
586 883
587=item $attachable->attach ($attachment, key => $value...) 884=item $attachable->attach ($attachment, key => $value...)
588 885
632=item cf::CLASS::attachment $name, ... 929=item cf::CLASS::attachment $name, ...
633 930
634Register an attachment by C<$name> through which attachable objects of the 931Register an attachment by C<$name> through which attachable objects of the
635given CLASS can refer to this attachment. 932given CLASS can refer to this attachment.
636 933
637Some classes such as crossfire maps and objects can specify attachments 934Some classes such as deliantra maps and objects can specify attachments
638that 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.
639 936
640These calls expect any number of the following handler/hook descriptions: 937These calls expect any number of the following handler/hook descriptions:
641 938
642=over 4 939=over 4
766 1063
767 } elsif (exists $cb_id{$type}) { 1064 } elsif (exists $cb_id{$type}) {
768 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1065 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769 1066
770 } elsif (ref $type) { 1067 } elsif (ref $type) {
771 warn "attaching objects not supported, ignoring.\n"; 1068 error "attaching objects not supported, ignoring.\n";
772 1069
773 } else { 1070 } else {
774 shift @arg; 1071 shift @arg;
775 warn "attach argument '$type' not supported, ignoring.\n"; 1072 error "attach argument '$type' not supported, ignoring.\n";
776 } 1073 }
777 } 1074 }
778} 1075}
779 1076
780sub _object_attach { 1077sub _object_attach {
790 _attach $registry, $klass, @attach; 1087 _attach $registry, $klass, @attach;
791 } 1088 }
792 1089
793 $obj->{$name} = \%arg; 1090 $obj->{$name} = \%arg;
794 } else { 1091 } else {
795 warn "object uses attachment '$name' which is not available, postponing.\n"; 1092 info "object uses attachment '$name' which is not available, postponing.\n";
796 } 1093 }
797 1094
798 $obj->{_attachment}{$name} = undef; 1095 $obj->{_attachment}{$name} = undef;
799} 1096}
800 1097
840 "; 1137 ";
841 die if $@; 1138 die if $@;
842} 1139}
843 1140
844our $override; 1141our $override;
845our @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?
846 1143
847sub override { 1144sub override {
848 $override = 1; 1145 $override = 1;
849 @invoke_results = (); 1146 @INVOKE_RESULTS = (@_);
850} 1147}
851 1148
852sub do_invoke { 1149sub do_invoke {
853 my $event = shift; 1150 my $event = shift;
854 my $callbacks = shift; 1151 my $callbacks = shift;
855 1152
856 @invoke_results = (); 1153 @INVOKE_RESULTS = ();
857 1154
858 local $override; 1155 local $override;
859 1156
860 for (@$callbacks) { 1157 for (@$callbacks) {
861 eval { &{$_->[1]} }; 1158 eval { &{$_->[1]} };
862 1159
863 if ($@) { 1160 if ($@) {
864 warn "$@";
865 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1161 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866 override; 1162 override;
867 } 1163 }
868 1164
869 return 1 if $override; 1165 return 1 if $override;
870 } 1166 }
871 1167
872 0 1168 0
873} 1169}
874 1170
875=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1171=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876 1172
877=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1173=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878 1174
879Generate an object-specific event with the given arguments. 1175Generate an object-specific event with the given arguments.
880 1176
881This 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
882removed 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
883results (if you must, access C<@cf::invoke_results> directly). 1179results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884 1180
885=back 1181=back
886 1182
887=cut 1183=cut
888 1184
889############################################################################# 1185#############################################################################
890# 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, $ob2
1228}
891 1229
892sub reattach { 1230sub reattach {
893 # basically do the same as instantiate, without calling instantiate 1231 # basically do the same as instantiate, without calling instantiate
894 my ($obj) = @_; 1232 my ($obj) = @_;
895 1233
1234 # no longer needed after getting rid of delete_package?
896 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
897 1236
898 my $registry = $obj->registry; 1237 my $registry = $obj->registry;
899 1238
900 @$registry = (); 1239 @$registry = ();
901 1240
906 for (@$attach) { 1245 for (@$attach) {
907 my ($klass, @attach) = @$_; 1246 my ($klass, @attach) = @$_;
908 _attach $registry, $klass, @attach; 1247 _attach $registry, $klass, @attach;
909 } 1248 }
910 } else { 1249 } else {
911 warn "object uses attachment '$name' that is not available, postponing.\n"; 1250 info "object uses attachment '$name' that is not available, postponing.\n";
912 } 1251 }
913 } 1252 }
914} 1253}
915 1254
916cf::attachable->attach ( 1255cf::attachable->attach (
917 prio => -1000000, 1256 prio => -1000000,
918 on_instantiate => sub { 1257 on_instantiate => sub {
919 my ($obj, $data) = @_; 1258 my ($obj, $data) = @_;
920 1259
921 $data = from_json $data; 1260 $data = decode_json $data;
922 1261
923 for (@$data) { 1262 for (@$data) {
924 my ($name, $args) = @$_; 1263 my ($name, $args) = @$_;
925 1264
926 $obj->attach ($name, %{$args || {} }); 1265 $obj->attach ($name, %{$args || {} });
942sub object_freezer_save { 1281sub object_freezer_save {
943 my ($filename, $rdata, $objs) = @_; 1282 my ($filename, $rdata, $objs) = @_;
944 1283
945 sync_job { 1284 sync_job {
946 if (length $$rdata) { 1285 if (length $$rdata) {
1286 utf8::decode (my $decname = $filename);
947 warn sprintf "saving %s (%d,%d)\n", 1287 trace sprintf "saving %s (%d,%d)\n",
948 $filename, length $$rdata, scalar @$objs; 1288 $decname, length $$rdata, scalar @$objs
1289 if $VERBOSE_IO;
949 1290
950 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1291 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951 chmod SAVE_MODE, $fh; 1292 aio_chmod $fh, SAVE_MODE;
952 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1293 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953 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 }
954 close $fh; 1298 aio_close $fh;
955 1299
956 if (@$objs) { 1300 if (@$objs) {
957 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) {
958 chmod SAVE_MODE, $fh; 1302 aio_chmod $fh, SAVE_MODE;
959 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1303 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960 aio_write $fh, 0, (length $data), $data, 0; 1304 aio_write $fh, 0, (length $data), $data, 0;
961 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 }
962 close $fh; 1309 aio_close $fh;
963 aio_rename "$filename.pst~", "$filename.pst"; 1310 aio_rename "$filename.pst~", "$filename.pst";
964 } 1311 }
965 } else { 1312 } else {
966 aio_unlink "$filename.pst"; 1313 aio_unlink "$filename.pst";
967 } 1314 }
968 1315
969 aio_rename "$filename~", $filename; 1316 aio_rename "$filename~", $filename;
1317
1318 $filename =~ s%/[^/]+$%%;
1319 aio_pathsync $filename if $cf::USE_FSYNC;
970 } else { 1320 } else {
971 warn "FATAL: $filename~: $!\n"; 1321 error "unable to save objects: $filename~: $!\n";
972 } 1322 }
973 } else { 1323 } else {
974 aio_unlink $filename; 1324 aio_unlink $filename;
975 aio_unlink "$filename.pst"; 1325 aio_unlink "$filename.pst";
976 } 1326 }
977 } 1327 };
978} 1328}
979 1329
980sub object_freezer_as_string { 1330sub object_freezer_as_string {
981 my ($rdata, $objs) = @_; 1331 my ($rdata, $objs) = @_;
982 1332
994 or return; 1344 or return;
995 1345
996 unless (aio_stat "$filename.pst") { 1346 unless (aio_stat "$filename.pst") {
997 (aio_load "$filename.pst", $av) >= 0 1347 (aio_load "$filename.pst", $av) >= 0
998 or return; 1348 or return;
1349
999 $av = eval { (Storable::thaw $av)->{objs} }; 1350 my $st = eval { Coro::Storable::thaw $av };
1351 $av = $st->{objs};
1000 } 1352 }
1001 1353
1354 utf8::decode (my $decname = $filename);
1002 warn sprintf "loading %s (%d)\n", 1355 trace sprintf "loading %s (%d,%d)\n",
1003 $filename, length $data, scalar @{$av || []}; 1356 $decname, length $data, scalar @{$av || []}
1357 if $VERBOSE_IO;
1358
1004 return ($data, $av); 1359 ($data, $av)
1005} 1360}
1006 1361
1007=head2 COMMAND CALLBACKS 1362=head2 COMMAND CALLBACKS
1008 1363
1009=over 4 1364=over 4
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1384 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1385}
1031 1386
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1387=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1388
1034Register a callback fro 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.
1035 1394
1036If 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
1037called. 1396called.
1038 1397
1398=item cf::register_exticmd $name => \&callback($ns,$packet);
1399
1400Register a callback for execution when the client sends an (asynchronous)
1401exticmd packet. Exti commands are processed by the server as soon as they
1402are received, i.e. out of order w.r.t. other commands. The first argument
1403is a client socket. Exti commands can be received anytime, even before
1404log-in.
1405
1406If the callback returns something, it is sent back as if reply was being
1407called.
1408
1039=cut 1409=cut
1040 1410
1041sub register_extcmd { 1411sub register_extcmd {
1042 my ($name, $cb) = @_; 1412 my ($name, $cb) = @_;
1043 1413
1044 $EXTCMD{$name} = $cb; 1414 $EXTCMD{$name} = $cb;
1045} 1415}
1046 1416
1417sub register_exticmd {
1418 my ($name, $cb) = @_;
1419
1420 $EXTICMD{$name} = $cb;
1421}
1422
1423use File::Glob ();
1424
1047cf::player->attach ( 1425cf::player->attach (
1048 on_command => sub { 1426 on_unknown_command => sub {
1049 my ($pl, $name, $params) = @_; 1427 my ($pl, $name, $params) = @_;
1050 1428
1051 my $cb = $COMMAND{$name} 1429 my $cb = $COMMAND{$name}
1052 or return; 1430 or return;
1053 1431
1058 cf::override; 1436 cf::override;
1059 }, 1437 },
1060 on_extcmd => sub { 1438 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1439 my ($pl, $buf) = @_;
1062 1440
1063 my $msg = eval { from_json $buf }; 1441 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1442
1065 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
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1451 if (my $cb = $EXTCMD{$type}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1452 @reply = $cb->($pl, @payload);
1068 $pl->ext_reply ($msg->{msgid}, %reply);
1069 }
1070 } 1453 }
1454
1455 $pl->ext_reply ($reply, @reply)
1456 if $reply;
1457
1071 } else { 1458 } else {
1072 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1459 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073 } 1460 }
1074 1461
1075 cf::override; 1462 cf::override;
1076 }, 1463 },
1077); 1464);
1078 1465
1466# "readahead" all extensions
1467sub cache_extensions {
1468 my $grp = IO::AIO::aio_group;
1469
1470 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1471 for (grep /\.ext$/, @{$_[0]}) {
1472 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1473 }
1474 };
1475
1476 $grp
1477}
1478
1079sub load_extensions { 1479sub load_extensions {
1480 info "loading extensions...";
1481
1080 cf::sync_job { 1482 cf::sync_job {
1081 my %todo; 1483 my %todo;
1082 1484
1083 for my $path (<$LIBDIR/*.ext>) { 1485 for my $path (<$LIBDIR/*.ext>) {
1084 next unless -r $path; 1486 next unless -r $path;
1102 1504
1103 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1505 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1506 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105 1507
1106 $ext{source} = 1508 $ext{source} =
1107 "package $pkg; use strict; use utf8;\n" 1509 "package $pkg; use common::sense;\n"
1108 . "#line 1 \"$path\"\n{\n" 1510 . "#line 1 \"$path\"\n{\n"
1109 . $source 1511 . $source
1110 . "\n};\n1"; 1512 . "\n};\n1";
1111 1513
1112 $todo{$base} = \%ext; 1514 $todo{$base} = \%ext;
1113 } 1515 }
1114 1516
1517 my $pass = 0;
1115 my %done; 1518 my %done;
1116 while (%todo) { 1519 while (%todo) {
1117 my $progress; 1520 my $progress;
1118 1521
1522 ++$pass;
1523
1524 ext:
1119 while (my ($k, $v) = each %todo) { 1525 while (my ($k, $v) = each %todo) {
1120 for (split /,\s*/, $v->{meta}{depends}) { 1526 for (split /,\s*/, $v->{meta}{depends}) {
1121 goto skip 1527 next ext
1122 unless exists $done{$_}; 1528 unless exists $done{$_};
1123 } 1529 }
1124 1530
1125 warn "... loading '$k' into '$v->{pkg}'\n"; 1531 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126 1532
1127 unless (eval $v->{source}) { 1533 my $active = eval $v->{source};
1534
1535 if (length $@) {
1128 my $msg = $@ ? "$v->{path}: $@\n" 1536 error "$v->{path}: $@\n";
1129 : "$v->{base}: extension inactive.\n";
1130 1537
1538 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131 if (exists $v->{meta}{mandatory}) { 1539 if exists $v->{meta}{mandatory};
1132 warn $msg; 1540
1133 warn "mandatory extension failed to load, exiting.\n"; 1541 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134 exit 1; 1542 delete $todo{$k};
1135 } 1543 } else {
1136 1544 $done{$k} = delete $todo{$k};
1137 warn $msg; 1545 push @EXTS, $v->{pkg};
1546 $progress = 1;
1547
1548 info "$v->{base}: extension inactive.\n"
1549 unless $active;
1138 } 1550 }
1139
1140 $done{$k} = delete $todo{$k};
1141 push @EXTS, $v->{pkg};
1142 $progress = 1;
1143 } 1551 }
1144 1552
1145 skip: 1553 unless ($progress) {
1146 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1554 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147 unless $progress; 1555
1556 while (my ($k, $v) = each %todo) {
1557 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1558 if exists $v->{meta}{mandatory};
1559 }
1560 }
1148 } 1561 }
1149 }; 1562 };
1150} 1563}
1151 1564
1152############################################################################# 1565#############################################################################
1153 1566
1154=back 1567=back
1155 1568
1156=head2 CORE EXTENSIONS 1569=head2 CORE EXTENSIONS
1157 1570
1158Functions and methods that extend core crossfire objects. 1571Functions and methods that extend core deliantra objects.
1159 1572
1160=cut 1573=cut
1161 1574
1162package cf::player; 1575package cf::player;
1163 1576
1164use Coro::AIO; 1577use Coro::AIO;
1165 1578
1166=head3 cf::player 1579=head3 cf::player
1167 1580
1168=over 4 1581=over 4
1582
1583=item cf::player::num_playing
1584
1585Returns the official number of playing players, as per the Crossfire metaserver rules.
1586
1587=cut
1588
1589sub num_playing {
1590 scalar grep
1591 $_->ob->map
1592 && !$_->hidden
1593 && !$_->ob->flag (cf::FLAG_WIZ),
1594 cf::player::list
1595}
1169 1596
1170=item cf::player::find $login 1597=item cf::player::find $login
1171 1598
1172Returns the given player object, loading it if necessary (might block). 1599Returns the given player object, loading it if necessary (might block).
1173 1600
1192 1619
1193sub exists($) { 1620sub exists($) {
1194 my ($login) = @_; 1621 my ($login) = @_;
1195 1622
1196 $cf::PLAYER{$login} 1623 $cf::PLAYER{$login}
1197 or cf::sync_job { !aio_stat path $login } 1624 or !aio_stat path $login
1198} 1625}
1199 1626
1200sub find($) { 1627sub find($) {
1201 return $cf::PLAYER{$_[0]} || do { 1628 return $cf::PLAYER{$_[0]} || do {
1202 my $login = $_[0]; 1629 my $login = $_[0];
1209 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1636 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1637 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1638 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212 aio_unlink +(playerdir $login) . "/$login.pl"; 1639 aio_unlink +(playerdir $login) . "/$login.pl";
1213 1640
1214 my $pl = load_pl path $login 1641 my $f = new_from_file cf::object::thawer path $login
1215 or return; 1642 or return;
1643
1644 my $pl = cf::player::load_pl $f
1645 or return;
1646
1647 local $cf::PLAYER_LOADING{$login} = $pl;
1648 $f->resolve_delayed_derefs;
1216 $cf::PLAYER{$login} = $pl 1649 $cf::PLAYER{$login} = $pl
1217 } 1650 }
1218 } 1651 }
1219} 1652}
1653
1654cf::player->attach (
1655 on_load => sub {
1656 my ($pl, $path) = @_;
1657
1658 # restore slots saved in save, below
1659 my $slots = delete $pl->{_slots};
1660
1661 $pl->ob->current_weapon ($slots->[0]);
1662 $pl->combat_ob ($slots->[1]);
1663 $pl->ranged_ob ($slots->[2]);
1664 },
1665);
1220 1666
1221sub save($) { 1667sub save($) {
1222 my ($pl) = @_; 1668 my ($pl) = @_;
1223 1669
1224 return if $pl->{deny_save}; 1670 return if $pl->{deny_save};
1229 return if $pl->{deny_save}; 1675 return if $pl->{deny_save};
1230 1676
1231 aio_mkdir playerdir $pl, 0770; 1677 aio_mkdir playerdir $pl, 0770;
1232 $pl->{last_save} = $cf::RUNTIME; 1678 $pl->{last_save} = $cf::RUNTIME;
1233 1679
1680 cf::get_slot 0.01;
1681
1682 # save slots, to be restored later
1683 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1684
1234 $pl->save_pl ($path); 1685 $pl->save_pl ($path);
1235 Coro::cede; 1686 cf::cede_to_tick;
1236} 1687}
1237 1688
1238sub new($) { 1689sub new($) {
1239 my ($login) = @_; 1690 my ($login) = @_;
1240 1691
1246 $cf::PLAYER{$login} = $self; 1697 $cf::PLAYER{$login} = $self;
1247 1698
1248 $self 1699 $self
1249} 1700}
1250 1701
1702=item $player->send_msg ($channel, $msg, $color, [extra...])
1703
1704=cut
1705
1706sub send_msg {
1707 my $ns = shift->ns
1708 or return;
1709 $ns->send_msg (@_);
1710}
1711
1251=item $pl->quit_character 1712=item $pl->quit_character
1252 1713
1253Nukes the player without looking back. If logged in, the connection will 1714Nukes the player without looking back. If logged in, the connection will
1254be destroyed. May block for a long time. 1715be destroyed. May block for a long time.
1255 1716
1259 my ($pl) = @_; 1720 my ($pl) = @_;
1260 1721
1261 my $name = $pl->ob->name; 1722 my $name = $pl->ob->name;
1262 1723
1263 $pl->{deny_save} = 1; 1724 $pl->{deny_save} = 1;
1264 $pl->password ("*"); # this should lock out the player until we nuked the dir 1725 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1265 1726
1266 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1727 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267 $pl->deactivate; 1728 $pl->deactivate;
1729
1730 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1731 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1732 ext::highscore::check ($pl->ob);
1733
1269 $pl->ns->destroy if $pl->ns; 1734 $pl->ns->destroy if $pl->ns;
1270 1735
1271 my $path = playerdir $pl; 1736 my $path = playerdir $pl;
1272 my $temp = "$path~$cf::RUNTIME~deleting~"; 1737 my $temp = "$path~$cf::RUNTIME~deleting~";
1273 aio_rename $path, $temp; 1738 aio_rename $path, $temp;
1308 or return []; 1773 or return [];
1309 1774
1310 my @logins; 1775 my @logins;
1311 1776
1312 for my $login (@$dirs) { 1777 for my $login (@$dirs) {
1778 my $path = path $login;
1779
1780 # a .pst is a dead give-away for a valid player
1781 # if no pst file found, open and chekc for blocked users
1782 if (aio_stat "$path.pst") {
1313 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1783 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314 aio_read $fh, 0, 512, my $buf, 0 or next; 1784 aio_read $fh, 0, 512, my $buf, 0 or next;
1315 $buf !~ /^password -------------$/m or next; # official not-valid tag 1785 $buf !~ /^password -------------$/m or next; # official not-valid tag
1786 }
1316 1787
1317 utf8::decode $login; 1788 utf8::decode $login;
1318 push @logins, $login; 1789 push @logins, $login;
1319 } 1790 }
1320 1791
1321 \@logins 1792 \@logins
1322} 1793}
1323 1794
1324=item $player->maps 1795=item $player->maps
1796
1797=item cf::player::maps $login
1325 1798
1326Returns an arrayref of map paths that are private for this 1799Returns an arrayref of map paths that are private for this
1327player. May block. 1800player. May block.
1328 1801
1329=cut 1802=cut
1347 } 1820 }
1348 1821
1349 \@paths 1822 \@paths
1350} 1823}
1351 1824
1352=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1825=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353 1826
1354Expand crossfire pod fragments into protocol xml. 1827Expand deliantra pod fragments into protocol xml.
1355 1828
1356=cut
1357
1358sub expand_cfpod {
1359 ((my $self), (local $_)) = @_;
1360
1361 # escape & and <
1362 s/&/&amp;/g;
1363 s/(?<![BIUGH])</&lt;/g;
1364
1365 # this is buggy, it needs to properly take care of nested <'s
1366
1367 1 while
1368 # replace B<>, I<>, U<> etc.
1369 s/B<([^\>]*)>/<b>$1<\/b>/
1370 || s/I<([^\>]*)>/<i>$1<\/i>/
1371 || s/U<([^\>]*)>/<u>$1<\/u>/
1372 # replace G<male|female> tags
1373 || s{G<([^>|]*)\|([^>]*)>}{
1374 $self->gender ? $2 : $1
1375 }ge
1376 # replace H<hint text>
1377 || s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379 # create single paragraphs (very hackish)
1380 s/(?<=\S)\n(?=\w)/ /g;
1381
1382 $_
1383}
1384
1385=item $player->ext_reply ($msgid, %msg) 1829=item $player->ext_reply ($msgid, @msg)
1386 1830
1387Sends an ext reply to the player. 1831Sends an ext reply to the player.
1388 1832
1389=cut 1833=cut
1390 1834
1391sub ext_reply($$%) { 1835sub ext_reply($$@) {
1392 my ($self, $id, %msg) = @_; 1836 my ($self, $id, @msg) = @_;
1393 1837
1394 $msg{msgid} = $id; 1838 $self->ns->ext_reply ($id, @msg)
1395
1396 $self->send ("ext " . cf::to_json \%msg);
1397} 1839}
1398 1840
1399=item $player->ext_event ($type, %msg) 1841=item $player->ext_msg ($type, @msg)
1400 1842
1401Sends an ext event to the client. 1843Sends an ext event to the client.
1402 1844
1403=cut 1845=cut
1404 1846
1405sub ext_event($$%) { 1847sub ext_msg($$@) {
1406 my ($self, $type, %msg) = @_; 1848 my ($self, $type, @msg) = @_;
1407 1849
1408 $self->ns->ext_event ($type, %msg); 1850 $self->ns->ext_msg ($type, @msg);
1409} 1851}
1410 1852
1411=head3 cf::region 1853=head3 cf::region
1412 1854
1413=over 4 1855=over 4
1423=cut 1865=cut
1424 1866
1425sub find_by_path($) { 1867sub find_by_path($) {
1426 my ($path) = @_; 1868 my ($path) = @_;
1427 1869
1870 $path =~ s/^~[^\/]*//; # skip ~login
1871
1428 my ($match, $specificity); 1872 my ($match, $specificity);
1429 1873
1430 for my $region (list) { 1874 for my $region (list) {
1431 if ($region->match && $path =~ $region->match) { 1875 if ($region->{match} && $path =~ $region->{match}) {
1432 ($match, $specificity) = ($region, $region->specificity) 1876 ($match, $specificity) = ($region, $region->specificity)
1433 if $region->specificity > $specificity; 1877 if $region->specificity > $specificity;
1434 } 1878 }
1435 } 1879 }
1436 1880
1457our $MAX_RESET = 3600; 1901our $MAX_RESET = 3600;
1458our $DEFAULT_RESET = 3000; 1902our $DEFAULT_RESET = 3000;
1459 1903
1460sub generate_random_map { 1904sub generate_random_map {
1461 my ($self, $rmp) = @_; 1905 my ($self, $rmp) = @_;
1462 # mit "rum" bekleckern, nicht 1906
1907 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1908
1463 $self->_create_random_map ( 1909 $self->_create_random_map ($rmp);
1464 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467 $rmp->{exit_on_final_map},
1468 $rmp->{xsize}, $rmp->{ysize},
1469 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1471 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1472 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1473 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1474 (cf::region::find $rmp->{region}), $rmp->{custom}
1475 )
1476} 1910}
1477 1911
1478=item cf::map->register ($regex, $prio) 1912=item cf::map->register ($regex, $prio)
1479 1913
1480Register a handler for the map path matching the given regex at the 1914Register a handler for the map path matching the given regex at the
1485 1919
1486sub register { 1920sub register {
1487 my (undef, $regex, $prio) = @_; 1921 my (undef, $regex, $prio) = @_;
1488 my $pkg = caller; 1922 my $pkg = caller;
1489 1923
1490 no strict;
1491 push @{"$pkg\::ISA"}, __PACKAGE__; 1924 push @{"$pkg\::ISA"}, __PACKAGE__;
1492 1925
1493 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1926 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494} 1927}
1495 1928
1496# also paths starting with '/' 1929# also paths starting with '/'
1497$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1930$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498 1931
1499sub thawer_merge { 1932sub thawer_merge {
1500 my ($self, $merge) = @_; 1933 my ($self, $merge) = @_;
1501 1934
1502 # we have to keep some variables in memory intact 1935 # we have to keep some variables in memory intact
1507} 1940}
1508 1941
1509sub normalise { 1942sub normalise {
1510 my ($path, $base) = @_; 1943 my ($path, $base) = @_;
1511 1944
1512 $path = "$path"; # make sure its a string 1945 $path = "$path"; # make sure it's a string
1513 1946
1514 $path =~ s/\.map$//; 1947 $path =~ s/\.map$//;
1515 1948
1516 # map plan: 1949 # map plan:
1517 # 1950 #
1532 $base =~ s{[^/]+/?$}{}; 1965 $base =~ s{[^/]+/?$}{};
1533 $path = "$base/$path"; 1966 $path = "$base/$path";
1534 } 1967 }
1535 1968
1536 for ($path) { 1969 for ($path) {
1537 redo if s{//}{/};
1538 redo if s{/\.?/}{/}; 1970 redo if s{/\.?/}{/};
1539 redo if s{/[^/]+/\.\./}{/}; 1971 redo if s{/[^/]+/\.\./}{/};
1540 } 1972 }
1541 1973
1542 $path 1974 $path
1556 $self->init; # pass $1 etc. 1988 $self->init; # pass $1 etc.
1557 return $self; 1989 return $self;
1558 } 1990 }
1559 } 1991 }
1560 1992
1561 Carp::carp "unable to resolve path '$path' (base '$base')."; 1993 Carp::cluck "unable to resolve path '$path' (base '$base')";
1562 () 1994 ()
1563} 1995}
1564 1996
1565sub init { 1997sub init {
1566 my ($self) = @_; 1998 my ($self) = @_;
1588 2020
1589# the temporary/swap location 2021# the temporary/swap location
1590sub save_path { 2022sub save_path {
1591 my ($self) = @_; 2023 my ($self) = @_;
1592 2024
1593 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2025 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594 "$TMPDIR/$path.map" 2026 "$TMPDIR/$path.map"
1595} 2027}
1596 2028
1597# the unique path, undef == no special unique path 2029# the unique path, undef == no special unique path
1598sub uniq_path { 2030sub uniq_path {
1599 my ($self) = @_; 2031 my ($self) = @_;
1600 2032
1601 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2033 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602 "$UNIQUEDIR/$path" 2034 "$UNIQUEDIR/$path"
1603}
1604
1605# and all this just because we cannot iterate over
1606# all maps in C++...
1607sub change_all_map_light {
1608 my ($change) = @_;
1609
1610 $_->change_map_light ($change)
1611 for grep $_->outdoor, values %cf::MAP;
1612} 2035}
1613 2036
1614sub decay_objects { 2037sub decay_objects {
1615 my ($self) = @_; 2038 my ($self) = @_;
1616 2039
1629 2052
1630sub load_header_from($) { 2053sub load_header_from($) {
1631 my ($self, $path) = @_; 2054 my ($self, $path) = @_;
1632 2055
1633 utf8::encode $path; 2056 utf8::encode $path;
1634 #aio_open $path, O_RDONLY, 0 2057 my $f = new_from_file cf::object::thawer $path
1635 # or return;
1636
1637 $self->_load_header ($path)
1638 or return; 2058 or return;
2059
2060 $self->_load_header ($f)
2061 or return;
2062
2063 local $MAP_LOADING{$self->{path}} = $self;
2064 $f->resolve_delayed_derefs;
1639 2065
1640 $self->{load_path} = $path; 2066 $self->{load_path} = $path;
1641 2067
1642 1 2068 1
1643} 2069}
1695 2121
1696sub find; 2122sub find;
1697sub find { 2123sub find {
1698 my ($path, $origin) = @_; 2124 my ($path, $origin) = @_;
1699 2125
2126 cf::cede_to_tick;
2127
1700 $path = normalise $path, $origin && $origin->path; 2128 $path = normalise $path, $origin && $origin->path;
1701 2129
2130 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702 cf::lock_wait "map_find:$path"; 2131 my $guard2 = cf::lock_acquire "map_find:$path";
1703 2132
1704 $cf::MAP{$path} || do { 2133 $cf::MAP{$path} || do {
1705 my $guard = cf::lock_acquire "map_find:$path";
1706 my $map = new_from_path cf::map $path 2134 my $map = new_from_path cf::map $path
1707 or return; 2135 or return;
1708 2136
1709 $map->{last_save} = $cf::RUNTIME; 2137 $map->{last_save} = $cf::RUNTIME;
1710 2138
1712 or return; 2140 or return;
1713 2141
1714 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2142 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715 # doing this can freeze the server in a sync job, obviously 2143 # doing this can freeze the server in a sync job, obviously
1716 #$cf::WAIT_FOR_TICK->wait; 2144 #$cf::WAIT_FOR_TICK->wait;
2145 undef $guard2;
2146 undef $guard1;
1717 $map->reset; 2147 $map->reset;
1718 undef $guard;
1719 return find $path; 2148 return find $path;
1720 } 2149 }
1721 2150
1722 $cf::MAP{$path} = $map 2151 $cf::MAP{$path} = $map
1723 } 2152 }
1724} 2153}
1725 2154
1726sub pre_load { } 2155sub pre_load { }
1727sub post_load { } 2156#sub post_load { } # XS
1728 2157
1729sub load { 2158sub load {
1730 my ($self) = @_; 2159 my ($self) = @_;
1731 2160
1732 local $self->{deny_reset} = 1; # loading can take a long time 2161 local $self->{deny_reset} = 1; # loading can take a long time
1733 2162
1734 my $path = $self->{path}; 2163 my $path = $self->{path};
1735 2164
1736 { 2165 {
1737 my $guard = cf::lock_acquire "map_load:$path"; 2166 my $guard = cf::lock_acquire "map_data:$path";
1738 2167
2168 return unless $self->valid;
1739 return if $self->in_memory != cf::MAP_SWAPPED; 2169 return unless $self->in_memory == cf::MAP_SWAPPED;
1740 2170
1741 $self->in_memory (cf::MAP_LOADING); 2171 $self->in_memory (cf::MAP_LOADING);
1742 2172
1743 $self->alloc; 2173 $self->alloc;
1744 2174
1745 $self->pre_load; 2175 $self->pre_load;
1746 Coro::cede; 2176 cf::cede_to_tick;
1747 2177
2178 my $f = new_from_file cf::object::thawer $self->{load_path};
2179 $f->skip_block;
1748 $self->_load_objects ($self->{load_path}, 1) 2180 $self->_load_objects ($f)
1749 or return; 2181 or return;
1750 2182
1751 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2183 $self->post_load_original
1752 if delete $self->{load_original}; 2184 if delete $self->{load_original};
1753 2185
1754 if (my $uniq = $self->uniq_path) { 2186 if (my $uniq = $self->uniq_path) {
1755 utf8::encode $uniq; 2187 utf8::encode $uniq;
1756 if (aio_open $uniq, O_RDONLY, 0) { 2188 unless (aio_stat $uniq) {
2189 if (my $f = new_from_file cf::object::thawer $uniq) {
1757 $self->clear_unique_items; 2190 $self->clear_unique_items;
1758 $self->_load_objects ($uniq, 0); 2191 $self->_load_objects ($f);
2192 $f->resolve_delayed_derefs;
2193 }
1759 } 2194 }
1760 } 2195 }
1761 2196
1762 Coro::cede; 2197 $f->resolve_delayed_derefs;
2198
2199 cf::cede_to_tick;
1763 # now do the right thing for maps 2200 # now do the right thing for maps
1764 $self->link_multipart_objects; 2201 $self->link_multipart_objects;
1765 $self->difficulty ($self->estimate_difficulty) 2202 $self->difficulty ($self->estimate_difficulty)
1766 unless $self->difficulty; 2203 unless $self->difficulty;
1767 Coro::cede; 2204 cf::cede_to_tick;
1768 2205
1769 unless ($self->{deny_activate}) { 2206 unless ($self->{deny_activate}) {
1770 $self->decay_objects; 2207 $self->decay_objects;
1771 $self->fix_auto_apply; 2208 $self->fix_auto_apply;
1772 $self->update_buttons; 2209 $self->update_buttons;
1773 Coro::cede; 2210 cf::cede_to_tick;
1774 $self->set_darkness_map;
1775 Coro::cede;
1776 $self->activate; 2211 $self->activate;
1777 } 2212 }
1778 2213
2214 $self->{last_save} = $cf::RUNTIME;
2215 $self->last_access ($cf::RUNTIME);
2216
1779 $self->in_memory (cf::MAP_IN_MEMORY); 2217 $self->in_memory (cf::MAP_ACTIVE);
1780 } 2218 }
1781 2219
1782 $self->post_load; 2220 $self->post_load;
1783}
1784 2221
2222 1
2223}
2224
2225# customize the map for a given player, i.e.
2226# return the _real_ map. used by e.g. per-player
2227# maps to change the path to ~playername/mappath
1785sub customise_for { 2228sub customise_for {
1786 my ($self, $ob) = @_; 2229 my ($self, $ob) = @_;
1787 2230
1788 return find "~" . $ob->name . "/" . $self->{path} 2231 return find "~" . $ob->name . "/" . $self->{path}
1789 if $self->per_player; 2232 if $self->per_player;
1793 2236
1794 $self 2237 $self
1795} 2238}
1796 2239
1797# find and load all maps in the 3x3 area around a map 2240# find and load all maps in the 3x3 area around a map
1798sub load_diag { 2241sub load_neighbours {
1799 my ($map) = @_; 2242 my ($map) = @_;
1800 2243
1801 my @diag; # diagonal neighbours 2244 my @neigh; # diagonal neighbours
1802 2245
1803 for (0 .. 3) { 2246 for (0 .. 3) {
1804 my $neigh = $map->tile_path ($_) 2247 my $neigh = $map->tile_path ($_)
1805 or next; 2248 or next;
1806 $neigh = find $neigh, $map 2249 $neigh = find $neigh, $map
1807 or next; 2250 or next;
1808 $neigh->load; 2251 $neigh->load;
1809 2252
2253 # now find the diagonal neighbours
2254 push @neigh,
1810 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2255 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2256 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1812 } 2257 }
1813 2258
1814 for (@diag) { 2259 for (grep defined $_->[0], @neigh) {
2260 my ($path, $origin) = @$_;
1815 my $neigh = find @$_ 2261 my $neigh = find $path, $origin
1816 or next; 2262 or next;
1817 $neigh->load; 2263 $neigh->load;
1818 } 2264 }
1819} 2265}
1820 2266
1821sub find_sync { 2267sub find_sync {
1822 my ($path, $origin) = @_; 2268 my ($path, $origin) = @_;
1823 2269
1824 cf::sync_job { find $path, $origin } 2270 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2271 if $Coro::current == $Coro::main;
2272
2273 find $path, $origin
1825} 2274}
1826 2275
1827sub do_load_sync { 2276sub do_load_sync {
1828 my ($map) = @_; 2277 my ($map) = @_;
1829 2278
1830 cf::sync_job { $map->load }; 2279 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2280 if $Coro::current == $Coro::main;
2281
2282 $map->load;
1831} 2283}
1832 2284
1833our %MAP_PREFETCH; 2285our %MAP_PREFETCH;
1834our $MAP_PREFETCHER = undef; 2286our $MAP_PREFETCHER = undef;
1835 2287
1836sub find_async { 2288sub find_async {
1837 my ($path, $origin) = @_; 2289 my ($path, $origin, $load) = @_;
1838 2290
1839 $path = normalise $path, $origin && $origin->{path}; 2291 $path = normalise $path, $origin && $origin->{path};
1840 2292
1841 if (my $map = $cf::MAP{$path}) { 2293 if (my $map = $cf::MAP{$path}) {
1842 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2294 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843 } 2295 }
1844 2296
1845 undef $MAP_PREFETCH{$path}; 2297 $MAP_PREFETCH{$path} |= $load;
2298
1846 $MAP_PREFETCHER ||= cf::async { 2299 $MAP_PREFETCHER ||= cf::async {
2300 $Coro::current->{desc} = "map prefetcher";
2301
1847 while (%MAP_PREFETCH) { 2302 while (%MAP_PREFETCH) {
1848 for my $path (keys %MAP_PREFETCH) { 2303 while (my ($k, $v) = each %MAP_PREFETCH) {
1849 my $map = find $path 2304 if (my $map = find $k) {
1850 or next;
1851 $map->load; 2305 $map->load if $v;
2306 }
1852 2307
1853 delete $MAP_PREFETCH{$path}; 2308 delete $MAP_PREFETCH{$k};
1854 } 2309 }
1855 } 2310 }
1856 undef $MAP_PREFETCHER; 2311 undef $MAP_PREFETCHER;
1857 }; 2312 };
1858 $MAP_PREFETCHER->prio (6); 2313 $MAP_PREFETCHER->prio (6);
1859 2314
1860 () 2315 ()
1861} 2316}
1862 2317
2318# common code, used by both ->save and ->swapout
1863sub save { 2319sub _save {
1864 my ($self) = @_; 2320 my ($self) = @_;
1865
1866 my $lock = cf::lock_acquire "map_data:" . $self->path;
1867 2321
1868 $self->{last_save} = $cf::RUNTIME; 2322 $self->{last_save} = $cf::RUNTIME;
1869 2323
1870 return unless $self->dirty; 2324 return unless $self->dirty;
1871 2325
1877 return if $self->{deny_save}; 2331 return if $self->{deny_save};
1878 2332
1879 local $self->{last_access} = $self->last_access;#d# 2333 local $self->{last_access} = $self->last_access;#d#
1880 2334
1881 cf::async { 2335 cf::async {
2336 $Coro::current->{desc} = "map player save";
1882 $_->contr->save for $self->players; 2337 $_->contr->save for $self->players;
1883 }; 2338 };
2339
2340 cf::get_slot 0.02;
1884 2341
1885 if ($uniq) { 2342 if ($uniq) {
1886 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2343 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2344 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1888 } else { 2345 } else {
1889 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2346 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890 } 2347 }
1891} 2348}
1892 2349
2350sub save {
2351 my ($self) = @_;
2352
2353 my $lock = cf::lock_acquire "map_data:$self->{path}";
2354
2355 $self->_save;
2356}
2357
1893sub swap_out { 2358sub swap_out {
1894 my ($self) = @_; 2359 my ($self) = @_;
1895 2360
1896 # save first because save cedes
1897 $self->save;
1898
1899 my $lock = cf::lock_acquire "map_data:" . $self->path; 2361 my $lock = cf::lock_acquire "map_data:$self->{path}";
1900 2362
2363 return if $self->in_memory != cf::MAP_ACTIVE;
2364 return if $self->{deny_save};
1901 return if $self->players; 2365 return if $self->players;
1902 return if $self->in_memory != cf::MAP_IN_MEMORY;
1903 return if $self->{deny_save};
1904 2366
2367 # first deactivate the map and "unlink" it from the core
2368 $self->deactivate;
2369 $_->clear_links_to ($self) for values %cf::MAP;
2370 $self->in_memory (cf::MAP_SWAPPED);
2371
2372 # then atomically save
2373 $self->_save;
2374
2375 # then free the map
1905 $self->clear; 2376 $self->clear;
1906 $self->in_memory (cf::MAP_SWAPPED);
1907} 2377}
1908 2378
1909sub reset_at { 2379sub reset_at {
1910 my ($self) = @_; 2380 my ($self) = @_;
1911 2381
1929 2399
1930 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
1931 2401
1932 return if $self->players; 2402 return if $self->players;
1933 2403
1934 warn "resetting map ", $self->path; 2404 cf::trace "resetting map ", $self->path, "\n";
1935 2405
1936 $self->in_memory (cf::MAP_SWAPPED); 2406 $self->in_memory (cf::MAP_SWAPPED);
1937 2407
1938 # need to save uniques path 2408 # need to save uniques path
1939 unless ($self->{deny_save}) { 2409 unless ($self->{deny_save}) {
1943 if $uniq; 2413 if $uniq;
1944 } 2414 }
1945 2415
1946 delete $cf::MAP{$self->path}; 2416 delete $cf::MAP{$self->path};
1947 2417
2418 $self->deactivate;
2419 $_->clear_links_to ($self) for values %cf::MAP;
1948 $self->clear; 2420 $self->clear;
1949
1950 $_->clear_links_to ($self) for values %cf::MAP;
1951 2421
1952 $self->unlink_save; 2422 $self->unlink_save;
1953 $self->destroy; 2423 $self->destroy;
1954} 2424}
1955 2425
1956my $nuke_counter = "aaaa"; 2426my $nuke_counter = "aaaa";
1957 2427
1958sub nuke { 2428sub nuke {
1959 my ($self) = @_; 2429 my ($self) = @_;
1960 2430
2431 {
2432 my $lock = cf::lock_acquire "map_data:$self->{path}";
2433
1961 delete $cf::MAP{$self->path}; 2434 delete $cf::MAP{$self->path};
1962 2435
1963 $self->unlink_save; 2436 $self->unlink_save;
1964 2437
1965 bless $self, "cf::map"; 2438 bless $self, "cf::map::wrap";
1966 delete $self->{deny_reset}; 2439 delete $self->{deny_reset};
1967 $self->{deny_save} = 1; 2440 $self->{deny_save} = 1;
1968 $self->reset_timeout (1); 2441 $self->reset_timeout (1);
1969 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2442 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970 2443
1971 $cf::MAP{$self->path} = $self; 2444 $cf::MAP{$self->path} = $self;
2445 }
1972 2446
1973 $self->reset; # polite request, might not happen 2447 $self->reset; # polite request, might not happen
1974} 2448}
1975 2449
1976=item $maps = cf::map::tmp_maps 2450=item $maps = cf::map::tmp_maps
2018 2492
2019sub unique_maps() { 2493sub unique_maps() {
2020 [ 2494 [
2021 map { 2495 map {
2022 utf8::decode $_; 2496 utf8::decode $_;
2023 /\.map$/ 2497 s/\.map$//; # TODO future compatibility hack
2498 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2499 ? ()
2024 ? normalise $_ 2500 : normalise $_
2025 : ()
2026 } @{ aio_readdir $UNIQUEDIR or [] } 2501 } @{ aio_readdir $UNIQUEDIR or [] }
2027 ] 2502 ]
2028} 2503}
2029 2504
2030package cf; 2505=item cf::map::static_maps
2506
2507Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2508file in the shared directory excluding F</styles> and F</editor>). May
2509block.
2510
2511=cut
2512
2513sub static_maps() {
2514 my @dirs = "";
2515 my @maps;
2516
2517 while (@dirs) {
2518 my $dir = shift @dirs;
2519
2520 next if $dir eq "/styles" || $dir eq "/editor";
2521
2522 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2523 or return;
2524
2525 for (@$files) {
2526 s/\.map$// or next;
2527 utf8::decode $_;
2528 push @maps, "$dir/$_";
2529 }
2530
2531 push @dirs, map "$dir/$_", @$dirs;
2532 }
2533
2534 \@maps
2535}
2031 2536
2032=back 2537=back
2033 2538
2034=head3 cf::object 2539=head3 cf::object
2035 2540
2039 2544
2040=over 4 2545=over 4
2041 2546
2042=item $ob->inv_recursive 2547=item $ob->inv_recursive
2043 2548
2044Returns the inventory of the object _and_ their inventories, recursively. 2549Returns the inventory of the object I<and> their inventories, recursively,
2550but I<not> the object itself.
2045 2551
2046=cut 2552=cut
2047 2553
2048sub inv_recursive_; 2554sub inv_recursive_;
2049sub inv_recursive_ { 2555sub inv_recursive_ {
2052 2558
2053sub inv_recursive { 2559sub inv_recursive {
2054 inv_recursive_ inv $_[0] 2560 inv_recursive_ inv $_[0]
2055} 2561}
2056 2562
2563=item $ref = $ob->ref
2564
2565Creates and returns a persistent reference to an object that can be stored as a string.
2566
2567=item $ob = cf::object::deref ($refstring)
2568
2569returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2570even if the object actually exists. May block.
2571
2572=cut
2573
2574sub deref {
2575 my ($ref) = @_;
2576
2577 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2578 my ($uuid, $name) = ($1, $2);
2579 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2580 or return;
2581 $pl->ob->uuid eq $uuid
2582 or return;
2583
2584 $pl->ob
2585 } else {
2586 warn "$ref: cannot resolve object reference\n";
2587 undef
2588 }
2589}
2590
2057package cf; 2591package cf;
2058 2592
2059=back 2593=back
2060 2594
2061=head3 cf::object::player 2595=head3 cf::object::player
2067Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2601Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068can be C<undef>. Does the right thing when the player is currently in a 2602can be C<undef>. Does the right thing when the player is currently in a
2069dialogue with the given NPC character. 2603dialogue with the given NPC character.
2070 2604
2071=cut 2605=cut
2606
2607our $SAY_CHANNEL = {
2608 id => "say",
2609 title => "Map",
2610 reply => "say ",
2611 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2612};
2613
2614our $CHAT_CHANNEL = {
2615 id => "chat",
2616 title => "Chat",
2617 reply => "chat ",
2618 tooltip => "Player chat and shouts, global to the server.",
2619};
2072 2620
2073# rough implementation of a future "reply" method that works 2621# rough implementation of a future "reply" method that works
2074# with dialog boxes. 2622# with dialog boxes.
2075#TODO: the first argument must go, split into a $npc->reply_to ( method 2623#TODO: the first argument must go, split into a $npc->reply_to ( method
2076sub cf::object::player::reply($$$;$) { 2624sub cf::object::player::reply($$$;$) {
2083 2631
2084 } else { 2632 } else {
2085 my $pl = $self->contr; 2633 my $pl = $self->contr;
2086 2634
2087 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2635 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088 my $diag = $pl->{npc_dialog}; 2636 my $dialog = $pl->{npc_dialog};
2089 $diag->{pl}->ext_reply ( 2637 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090 $diag->{id},
2091 msgtype => "reply",
2092 msg => $diag->{pl}->expand_cfpod ($msg),
2093 add_topics => []
2094 );
2095 2638
2096 } else { 2639 } else {
2097 $msg = $npc->name . " says: $msg" if $npc; 2640 $msg = $npc->name . " says: $msg" if $npc;
2098 $self->message ($msg, $flags); 2641 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099 } 2642 }
2100 } 2643 }
2644}
2645
2646=item $object->send_msg ($channel, $msg, $color, [extra...])
2647
2648=cut
2649
2650sub cf::object::send_msg {
2651 my $pl = shift->contr
2652 or return;
2653 $pl->send_msg (@_);
2101} 2654}
2102 2655
2103=item $player_object->may ("access") 2656=item $player_object->may ("access")
2104 2657
2105Returns wether the given player is authorized to access resource "access" 2658Returns wether the given player is authorized to access resource "access"
2118 2671
2119=item $player_object->enter_link 2672=item $player_object->enter_link
2120 2673
2121Freezes the player and moves him/her to a special map (C<{link}>). 2674Freezes the player and moves him/her to a special map (C<{link}>).
2122 2675
2123The player should be reasonably safe there for short amounts of time. You 2676The player should be reasonably safe there for short amounts of time (e.g.
2124I<MUST> call C<leave_link> as soon as possible, though. 2677for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2678though, as the player cannot control the character while it is on the link
2679map.
2125 2680
2126Will never block. 2681Will never block.
2127 2682
2128=item $player_object->leave_link ($map, $x, $y) 2683=item $player_object->leave_link ($map, $x, $y)
2129 2684
2149sub cf::object::player::enter_link { 2704sub cf::object::player::enter_link {
2150 my ($self) = @_; 2705 my ($self) = @_;
2151 2706
2152 $self->deactivate_recursive; 2707 $self->deactivate_recursive;
2153 2708
2709 ++$self->{_link_recursion};
2710
2154 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2711 return if UNIVERSAL::isa $self->map, "ext::map_link";
2155 2712
2156 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2713 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157 if $self->map && $self->map->{path} ne "{link}"; 2714 if $self->map && $self->map->{path} ne "{link}";
2158 2715
2159 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2716 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2160} 2717}
2161 2718
2162sub cf::object::player::leave_link { 2719sub cf::object::player::leave_link {
2163 my ($self, $map, $x, $y) = @_; 2720 my ($self, $map, $x, $y) = @_;
2164 2721
2181 ($x, $y) = (-1, -1) 2738 ($x, $y) = (-1, -1)
2182 unless (defined $x) && (defined $y); 2739 unless (defined $x) && (defined $y);
2183 2740
2184 # use -1 or undef as default coordinates, not 0, 0 2741 # use -1 or undef as default coordinates, not 0, 0
2185 ($x, $y) = ($map->enter_x, $map->enter_y) 2742 ($x, $y) = ($map->enter_x, $map->enter_y)
2186 if $x <=0 && $y <= 0; 2743 if $x <= 0 && $y <= 0;
2187 2744
2188 $map->load; 2745 $map->load;
2189 $map->load_diag; 2746 $map->load_neighbours;
2190 2747
2191 return unless $self->contr->active; 2748 return unless $self->contr->active;
2192 $self->activate_recursive;
2193 2749
2194 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2750 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195 $self->enter_map ($map, $x, $y); 2751 if ($self->enter_map ($map, $x, $y)) {
2196} 2752 # entering was successful
2753 delete $self->{_link_recursion};
2754 # only activate afterwards, to support waiting in hooks
2755 $self->activate_recursive;
2756 }
2197 2757
2758}
2759
2198=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2760=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199 2761
2200Moves the player to the given map-path and coordinates by first freezing 2762Moves the player to the given map-path and coordinates by first freezing
2201her, loading and preparing them map, calling the provided $check callback 2763her, loading and preparing them map, calling the provided $check callback
2202that has to return the map if sucecssful, and then unfreezes the player on 2764that has to return the map if sucecssful, and then unfreezes the player on
2203the new (success) or old (failed) map position. 2765the new (success) or old (failed) map position. In either case, $done will
2766be called at the end of this process.
2767
2768Note that $check will be called with a potentially non-loaded map, so if
2769it needs a loaded map it has to call C<< ->load >>.
2204 2770
2205=cut 2771=cut
2206 2772
2207our $GOTOGEN; 2773our $GOTOGEN;
2208 2774
2209sub cf::object::player::goto { 2775sub cf::object::player::goto {
2210 my ($self, $path, $x, $y, $check) = @_; 2776 my ($self, $path, $x, $y, $check, $done) = @_;
2777
2778 if ($self->{_link_recursion} >= $MAX_LINKS) {
2779 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2780 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2781 ($path, $x, $y) = @$EMERGENCY_POSITION;
2782 }
2211 2783
2212 # do generation counting so two concurrent goto's will be executed in-order 2784 # do generation counting so two concurrent goto's will be executed in-order
2213 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2785 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214 2786
2215 $self->enter_link; 2787 $self->enter_link;
2216 2788
2217 (async { 2789 (async {
2790 $Coro::current->{desc} = "player::goto $path $x $y";
2791
2792 # *tag paths override both path and x|y
2793 if ($path =~ /^\*(.*)$/) {
2794 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2795 my $ob = $obs[rand @obs];
2796
2797 # see if we actually can go there
2798 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2799 $ob = $obs[rand @obs];
2800 } else {
2801 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2802 }
2803 # else put us there anyways for now #d#
2804
2805 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2806 } else {
2807 ($path, $x, $y) = (undef, undef, undef);
2808 }
2809 }
2810
2218 my $map = eval { 2811 my $map = eval {
2219 my $map = cf::map::find $path; 2812 my $map = defined $path ? cf::map::find $path : undef;
2220 2813
2221 if ($map) { 2814 if ($map) {
2222 $map = $map->customise_for ($self); 2815 $map = $map->customise_for ($self);
2223 $map = $check->($map) if $check && $map; 2816 $map = $check->($map, $x, $y, $self) if $check && $map;
2224 } else { 2817 } else {
2225 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2818 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226 } 2819 }
2227 2820
2228 $map 2821 $map
2229 }; 2822 };
2230 2823
2235 2828
2236 if ($gen == $self->{_goto_generation}) { 2829 if ($gen == $self->{_goto_generation}) {
2237 delete $self->{_goto_generation}; 2830 delete $self->{_goto_generation};
2238 $self->leave_link ($map, $x, $y); 2831 $self->leave_link ($map, $x, $y);
2239 } 2832 }
2833
2834 $done->($self) if $done;
2240 })->prio (1); 2835 })->prio (1);
2241} 2836}
2242 2837
2243=item $player_object->enter_exit ($exit_object) 2838=item $player_object->enter_exit ($exit_object)
2244 2839
2264} 2859}
2265 2860
2266sub prepare_random_map { 2861sub prepare_random_map {
2267 my ($exit) = @_; 2862 my ($exit) = @_;
2268 2863
2269 my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271 # all this does is basically replace the /! path by 2864 # all this does is basically replace the /! path by
2272 # a new random map path (?random/...) with a seed 2865 # a new random map path (?random/...) with a seed
2273 # that depends on the exit object 2866 # that depends on the exit object
2274 2867
2275 my $rmp = parse_random_map_params $exit->msg; 2868 my $rmp = parse_random_map_params $exit->msg;
2277 if ($exit->map) { 2870 if ($exit->map) {
2278 $rmp->{region} = $exit->region->name; 2871 $rmp->{region} = $exit->region->name;
2279 $rmp->{origin_map} = $exit->map->path; 2872 $rmp->{origin_map} = $exit->map->path;
2280 $rmp->{origin_x} = $exit->x; 2873 $rmp->{origin_x} = $exit->x;
2281 $rmp->{origin_y} = $exit->y; 2874 $rmp->{origin_y} = $exit->y;
2875
2876 $exit->map->touch;
2282 } 2877 }
2283 2878
2284 $rmp->{random_seed} ||= $exit->random_seed; 2879 $rmp->{random_seed} ||= $exit->random_seed;
2285 2880
2286 my $data = cf::to_json $rmp; 2881 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287 my $md5 = Digest::MD5::md5_hex $data; 2882 my $md5 = Digest::MD5::md5_hex $data;
2288 my $meta = "$RANDOMDIR/$md5.meta"; 2883 my $meta = "$RANDOMDIR/$md5.meta";
2289 2884
2290 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2885 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291 aio_write $fh, 0, (length $data), $data, 0; 2886 aio_write $fh, 0, (length $data), $data, 0;
2292 undef $fh; 2887 undef $fh;
2293 aio_rename "$meta~", $meta; 2888 aio_rename "$meta~", $meta;
2294 2889
2890 my $slaying = "?random/$md5";
2891
2892 if ($exit->valid) {
2295 $exit->slaying ("?random/$md5"); 2893 $exit->slaying ("?random/$md5");
2296 $exit->msg (undef); 2894 $exit->msg (undef);
2895 }
2297 } 2896 }
2298} 2897}
2299 2898
2300sub cf::object::player::enter_exit { 2899sub cf::object::player::enter_exit {
2301 my ($self, $exit) = @_; 2900 my ($self, $exit) = @_;
2302 2901
2303 return unless $self->type == cf::PLAYER; 2902 return unless $self->type == cf::PLAYER;
2304 2903
2305 if ($exit->slaying eq "/!") {
2306 #TODO: this should de-fi-ni-te-ly not be a sync-job
2307 # the problem is that $exit might not survive long enough
2308 # so it needs to be done right now, right here
2309 cf::sync_job { prepare_random_map $exit };
2310 }
2311
2312 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313 my $hp = $exit->stats->hp;
2314 my $sp = $exit->stats->sp;
2315
2316 $self->enter_link; 2904 $self->enter_link;
2317 2905
2318 (async { 2906 (async {
2319 $self->deactivate_recursive; # just to be sure 2907 $Coro::current->{desc} = "enter_exit";
2908
2320 unless (eval { 2909 unless (eval {
2910 $self->deactivate_recursive; # just to be sure
2911
2912 # random map handling
2913 {
2914 my $guard = cf::lock_acquire "exit_prepare:$exit";
2915
2916 prepare_random_map $exit
2917 if $exit->slaying eq "/!";
2918 }
2919
2920 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2921 my $x = $exit->stats->hp;
2922 my $y = $exit->stats->sp;
2923
2321 $self->goto ($slaying, $hp, $sp); 2924 $self->goto ($map, $x, $y);
2322 2925
2926 # if exit is damned, update players death & WoR home-position
2927 $self->contr->savebed ($map, $x, $y)
2928 if $exit->flag (cf::FLAG_DAMNED);
2929
2323 1; 2930 1
2324 }) { 2931 }) {
2325 $self->message ("Something went wrong deep within the crossfire server. " 2932 $self->message ("Something went wrong deep within the deliantra server. "
2326 . "I'll try to bring you back to the map you were before. " 2933 . "I'll try to bring you back to the map you were before. "
2327 . "Please report this to the dungeon master!", 2934 . "Please report this to the dungeon master!",
2328 cf::NDI_UNIQUE | cf::NDI_RED); 2935 cf::NDI_UNIQUE | cf::NDI_RED);
2329 2936
2330 warn "ERROR in enter_exit: $@"; 2937 error "ERROR in enter_exit: $@";
2331 $self->leave_link; 2938 $self->leave_link;
2332 } 2939 }
2333 })->prio (1); 2940 })->prio (1);
2334} 2941}
2335 2942
2349 2956
2350 utf8::encode $text; 2957 utf8::encode $text;
2351 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2958 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352} 2959}
2353 2960
2961=item $client->send_big_packet ($pkt)
2962
2963Like C<send_packet>, but tries to compress large packets, and fragments
2964them as required.
2965
2966=cut
2967
2968our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2969
2970sub cf::client::send_big_packet {
2971 my ($self, $pkt) = @_;
2972
2973 # try lzf for large packets
2974 $pkt = "lzf " . Compress::LZF::compress $pkt
2975 if 1024 <= length $pkt and $self->{can_lzf};
2976
2977 # split very large packets
2978 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2979 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2980 $pkt = "frag";
2981 }
2982
2983 $self->send_packet ($pkt);
2984}
2985
2354=item $client->send_msg ($color, $type, $msg, [extra...]) 2986=item $client->send_msg ($channel, $msg, $color, [extra...])
2355 2987
2356Send a drawinfo or msg packet to the client, formatting the msg for the 2988Send a drawinfo or msg packet to the client, formatting the msg for the
2357client if neccessary. C<$type> should be a string identifying the type of 2989client if neccessary. C<$type> should be a string identifying the type of
2358the message, with C<log> being the default. If C<$color> is negative, suppress 2990the message, with C<log> being the default. If C<$color> is negative, suppress
2359the message unless the client supports the msg packet. 2991the message unless the client supports the msg packet.
2360 2992
2361=cut 2993=cut
2362 2994
2995# non-persistent channels (usually the info channel)
2996our %CHANNEL = (
2997 "c/motd" => {
2998 id => "infobox",
2999 title => "MOTD",
3000 reply => undef,
3001 tooltip => "The message of the day",
3002 },
3003 "c/identify" => {
3004 id => "infobox",
3005 title => "Identify",
3006 reply => undef,
3007 tooltip => "Items recently identified",
3008 },
3009 "c/examine" => {
3010 id => "infobox",
3011 title => "Examine",
3012 reply => undef,
3013 tooltip => "Signs and other items you examined",
3014 },
3015 "c/shopinfo" => {
3016 id => "infobox",
3017 title => "Shop Info",
3018 reply => undef,
3019 tooltip => "What your bargaining skill tells you about the shop",
3020 },
3021 "c/book" => {
3022 id => "infobox",
3023 title => "Book",
3024 reply => undef,
3025 tooltip => "The contents of a note or book",
3026 },
3027 "c/lookat" => {
3028 id => "infobox",
3029 title => "Look",
3030 reply => undef,
3031 tooltip => "What you saw there",
3032 },
3033 "c/who" => {
3034 id => "infobox",
3035 title => "Players",
3036 reply => undef,
3037 tooltip => "Shows players who are currently online",
3038 },
3039 "c/body" => {
3040 id => "infobox",
3041 title => "Body Parts",
3042 reply => undef,
3043 tooltip => "Shows which body parts you posess and are available",
3044 },
3045 "c/statistics" => {
3046 id => "infobox",
3047 title => "Statistics",
3048 reply => undef,
3049 tooltip => "Shows your primary statistics",
3050 },
3051 "c/skills" => {
3052 id => "infobox",
3053 title => "Skills",
3054 reply => undef,
3055 tooltip => "Shows your experience per skill and item power",
3056 },
3057 "c/shopitems" => {
3058 id => "infobox",
3059 title => "Shop Items",
3060 reply => undef,
3061 tooltip => "Shows the items currently for sale in this shop",
3062 },
3063 "c/resistances" => {
3064 id => "infobox",
3065 title => "Resistances",
3066 reply => undef,
3067 tooltip => "Shows your resistances",
3068 },
3069 "c/pets" => {
3070 id => "infobox",
3071 title => "Pets",
3072 reply => undef,
3073 tooltip => "Shows information abotu your pets/a specific pet",
3074 },
3075 "c/perceiveself" => {
3076 id => "infobox",
3077 title => "Perceive Self",
3078 reply => undef,
3079 tooltip => "You gained detailed knowledge about yourself",
3080 },
3081 "c/uptime" => {
3082 id => "infobox",
3083 title => "Uptime",
3084 reply => undef,
3085 tooltip => "How long the server has been running since last restart",
3086 },
3087 "c/mapinfo" => {
3088 id => "infobox",
3089 title => "Map Info",
3090 reply => undef,
3091 tooltip => "Information related to the maps",
3092 },
3093 "c/party" => {
3094 id => "party",
3095 title => "Party",
3096 reply => "gsay ",
3097 tooltip => "Messages and chat related to your party",
3098 },
3099 "c/death" => {
3100 id => "death",
3101 title => "Death",
3102 reply => undef,
3103 tooltip => "Reason for and more info about your most recent death",
3104 },
3105 "c/say" => $SAY_CHANNEL,
3106 "c/chat" => $CHAT_CHANNEL,
3107);
3108
2363sub cf::client::send_msg { 3109sub cf::client::send_msg {
2364 my ($self, $color, $type, $msg, @extra) = @_; 3110 my ($self, $channel, $msg, $color, @extra) = @_;
2365 3111
2366 $msg = $self->pl->expand_cfpod ($msg); 3112 $msg = $self->pl->expand_cfpod ($msg)
3113 unless $color & cf::NDI_VERBATIM;
2367 3114
2368 if ($self->can_msg) { 3115 $color &= cf::NDI_CLIENT_MASK; # just in case...
2369 $self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370 } else {
2371 # replace some tags by gcfclient-compatible ones
2372 for ($msg) {
2373 1 while
2374 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${1}[\/color]/;
2379 }
2380 3116
2381 if ($color >= 0) { 3117 # check predefined channels, for the benefit of C
2382 if ($msg =~ /\[/) { 3118 if ($CHANNEL{$channel}) {
2383 $self->send_packet ("drawextinfo $color 4 0 $msg") 3119 $channel = $CHANNEL{$channel};
2384 } else { 3120
2385 $self->send_packet ("drawinfo $color $msg") 3121 $self->ext_msg (channel_info => $channel);
3122 $channel = $channel->{id};
3123
3124 } elsif (ref $channel) {
3125 # send meta info to client, if not yet sent
3126 unless (exists $self->{channel}{$channel->{id}}) {
3127 $self->{channel}{$channel->{id}} = $channel;
3128 $self->ext_msg (channel_info => $channel);
2386 } 3129 }
2387 }
2388 }
2389}
2390 3130
3131 $channel = $channel->{id};
3132 }
3133
3134 return unless @extra || length $msg;
3135
3136 # default colour, mask it out
3137 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3138 if $color & cf::NDI_DEF;
3139
3140 my $pkt = "msg "
3141 . $self->{json_coder}->encode (
3142 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3143 );
3144
3145 $self->send_big_packet ($pkt);
3146}
3147
2391=item $client->ext_event ($type, %msg) 3148=item $client->ext_msg ($type, @msg)
2392 3149
2393Sends an exti event to the client. 3150Sends an ext event to the client.
2394 3151
2395=cut 3152=cut
2396 3153
2397sub cf::client::ext_event($$%) { 3154sub cf::client::ext_msg($$@) {
2398 my ($self, $type, %msg) = @_; 3155 my ($self, $type, @msg) = @_;
2399 3156
3157 if ($self->extcmd == 2) {
3158 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3159 } elsif ($self->extcmd == 1) { # TODO: remove
2400 $msg{msgtype} = "event_$type"; 3160 push @msg, msgtype => "event_$type";
2401 $self->send_packet ("ext " . cf::to_json \%msg); 3161 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3162 }
3163}
3164
3165=item $client->ext_reply ($msgid, @msg)
3166
3167Sends an ext reply to the client.
3168
3169=cut
3170
3171sub cf::client::ext_reply($$@) {
3172 my ($self, $id, @msg) = @_;
3173
3174 if ($self->extcmd == 2) {
3175 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3176 } elsif ($self->extcmd == 1) {
3177 #TODO: version 1, remove
3178 unshift @msg, msgtype => "reply", msgid => $id;
3179 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3180 }
2402} 3181}
2403 3182
2404=item $success = $client->query ($flags, "text", \&cb) 3183=item $success = $client->query ($flags, "text", \&cb)
2405 3184
2406Queues a query to the client, calling the given callback with 3185Queues a query to the client, calling the given callback with
2407the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3186the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2408C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3187C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2409 3188
2410Queries can fail, so check the return code. Or don't, as queries will become 3189Queries can fail, so check the return code. Or don't, as queries will
2411reliable at some point in the future. 3190become reliable at some point in the future.
2412 3191
2413=cut 3192=cut
2414 3193
2415sub cf::client::query { 3194sub cf::client::query {
2416 my ($self, $flags, $text, $cb) = @_; 3195 my ($self, $flags, $text, $cb) = @_;
2424 utf8::encode $text; 3203 utf8::encode $text;
2425 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3204 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2426 3205
2427 $self->send_packet ($self->{query_queue}[0][0]) 3206 $self->send_packet ($self->{query_queue}[0][0])
2428 if @{ $self->{query_queue} } == 1; 3207 if @{ $self->{query_queue} } == 1;
3208
3209 1
2429} 3210}
2430 3211
2431cf::client->attach ( 3212cf::client->attach (
3213 on_connect => sub {
3214 my ($ns) = @_;
3215
3216 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3217 },
2432 on_reply => sub { 3218 on_reply => sub {
2433 my ($ns, $msg) = @_; 3219 my ($ns, $msg) = @_;
2434 3220
2435 # this weird shuffling is so that direct followup queries 3221 # this weird shuffling is so that direct followup queries
2436 # get handled first 3222 # get handled first
2448 } else { 3234 } else {
2449 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3235 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2450 } 3236 }
2451 } 3237 }
2452 }, 3238 },
3239 on_exticmd => sub {
3240 my ($ns, $buf) = @_;
3241
3242 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3243
3244 if (ref $msg) {
3245 my ($type, $reply, @payload) =
3246 "ARRAY" eq ref $msg
3247 ? @$msg
3248 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3249
3250 my @reply;
3251
3252 if (my $cb = $EXTICMD{$type}) {
3253 @reply = $cb->($ns, @payload);
3254 }
3255
3256 $ns->ext_reply ($reply, @reply)
3257 if $reply;
3258
3259 } else {
3260 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3261 }
3262
3263 cf::override;
3264 },
2453); 3265);
2454 3266
2455=item $client->async (\&cb) 3267=item $client->async (\&cb)
2456 3268
2457Create a new coroutine, running the specified callback. The coroutine will 3269Create a new coroutine, running the specified callback. The coroutine will
2473 3285
2474 $coro 3286 $coro
2475} 3287}
2476 3288
2477cf::client->attach ( 3289cf::client->attach (
2478 on_destroy => sub { 3290 on_client_destroy => sub {
2479 my ($ns) = @_; 3291 my ($ns) = @_;
2480 3292
2481 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3293 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2482 }, 3294 },
2483); 3295);
2498our $safe = new Safe "safe"; 3310our $safe = new Safe "safe";
2499our $safe_hole = new Safe::Hole; 3311our $safe_hole = new Safe::Hole;
2500 3312
2501$SIG{FPE} = 'IGNORE'; 3313$SIG{FPE} = 'IGNORE';
2502 3314
2503$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3315$safe->permit_only (Opcode::opset qw(
3316 :base_core :base_mem :base_orig :base_math :base_loop
3317 grepstart grepwhile mapstart mapwhile
3318 sort time
3319));
2504 3320
2505# here we export the classes and methods available to script code 3321# here we export the classes and methods available to script code
2506 3322
2507=pod 3323=pod
2508 3324
2509The following functions and methods are available within a safe environment: 3325The following functions and methods are available within a safe environment:
2510 3326
2511 cf::object contr pay_amount pay_player map 3327 cf::object
3328 contr pay_amount pay_player map x y force_find force_add destroy
3329 insert remove name archname title slaying race decrease split
3330 value
3331
2512 cf::object::player player 3332 cf::object::player
2513 cf::player peaceful 3333 player
2514 cf::map trigger 3334
3335 cf::player
3336 peaceful
3337
3338 cf::map
3339 trigger
2515 3340
2516=cut 3341=cut
2517 3342
2518for ( 3343for (
2519 ["cf::object" => qw(contr pay_amount pay_player map)], 3344 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3345 insert remove inv nrof name archname title slaying race
3346 decrease split destroy change_exp value msg lore send_msg)],
2520 ["cf::object::player" => qw(player)], 3347 ["cf::object::player" => qw(player)],
2521 ["cf::player" => qw(peaceful)], 3348 ["cf::player" => qw(peaceful send_msg)],
2522 ["cf::map" => qw(trigger)], 3349 ["cf::map" => qw(trigger)],
2523) { 3350) {
2524 no strict 'refs';
2525 my ($pkg, @funs) = @$_; 3351 my ($pkg, @funs) = @$_;
2526 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3352 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2527 for @funs; 3353 for @funs;
2528} 3354}
2529 3355
2544 3370
2545 my $qcode = $code; 3371 my $qcode = $code;
2546 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3372 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2547 $qcode =~ s/\n/\\n/g; 3373 $qcode =~ s/\n/\\n/g;
2548 3374
3375 %vars = (_dummy => 0) unless %vars;
3376
3377 my @res;
2549 local $_; 3378 local $_;
2550 local @safe::cf::_safe_eval_args = values %vars;
2551 3379
2552 my $eval = 3380 my $eval =
2553 "do {\n" 3381 "do {\n"
2554 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3382 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2555 . "#line 0 \"{$qcode}\"\n" 3383 . "#line 0 \"{$qcode}\"\n"
2556 . $code 3384 . $code
2557 . "\n}" 3385 . "\n}"
2558 ; 3386 ;
2559 3387
3388 if ($CFG{safe_eval}) {
2560 sub_generation_inc; 3389 sub_generation_inc;
3390 local @safe::cf::_safe_eval_args = values %vars;
2561 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3391 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2562 sub_generation_inc; 3392 sub_generation_inc;
3393 } else {
3394 local @cf::_safe_eval_args = values %vars;
3395 @res = wantarray ? eval eval : scalar eval $eval;
3396 }
2563 3397
2564 if ($@) { 3398 if ($@) {
2565 warn "$@"; 3399 warn "$@",
2566 warn "while executing safe code '$code'\n"; 3400 "while executing safe code '$code'\n",
2567 warn "with arguments " . (join " ", %vars) . "\n"; 3401 "with arguments " . (join " ", %vars) . "\n";
2568 } 3402 }
2569 3403
2570 wantarray ? @res : $res[0] 3404 wantarray ? @res : $res[0]
2571} 3405}
2572 3406
2586=cut 3420=cut
2587 3421
2588sub register_script_function { 3422sub register_script_function {
2589 my ($fun, $cb) = @_; 3423 my ($fun, $cb) = @_;
2590 3424
2591 no strict 'refs'; 3425 $fun = "safe::$fun" if $CFG{safe_eval};
2592 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3426 *$fun = $safe_hole->wrap ($cb);
2593} 3427}
2594 3428
2595=back 3429=back
2596 3430
2597=cut 3431=cut
2600# the server's init and main functions 3434# the server's init and main functions
2601 3435
2602sub load_facedata($) { 3436sub load_facedata($) {
2603 my ($path) = @_; 3437 my ($path) = @_;
2604 3438
3439 # HACK to clear player env face cache, we need some signal framework
3440 # for this (global event?)
3441 %ext::player_env::MUSIC_FACE_CACHE = ();
3442
3443 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3444
2605 warn "loading facedata from $path\n"; 3445 trace "loading facedata from $path\n";
2606 3446
2607 my $facedata; 3447 my $facedata = decode_storable load_file $path;
2608 0 < aio_load $path, $facedata
2609 or die "$path: $!";
2610
2611 $facedata = Coro::Storable::thaw $facedata;
2612 3448
2613 $facedata->{version} == 2 3449 $facedata->{version} == 2
2614 or cf::cleanup "$path: version mismatch, cannot proceed."; 3450 or cf::cleanup "$path: version mismatch, cannot proceed.";
2615 3451
3452 # patch in the exptable
3453 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3454 $facedata->{resource}{"res/exp_table"} = {
3455 type => FT_RSRC,
3456 data => $exp_table,
3457 hash => (Digest::MD5::md5 $exp_table),
3458 };
3459 cf::cede_to_tick;
3460
2616 { 3461 {
2617 my $faces = $facedata->{faceinfo}; 3462 my $faces = $facedata->{faceinfo};
2618 3463
2619 while (my ($face, $info) = each %$faces) { 3464 while (my ($face, $info) = each %$faces) {
2620 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3465 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3466
2621 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3467 cf::face::set_visibility $idx, $info->{visibility};
3468 cf::face::set_magicmap $idx, $info->{magicmap};
2622 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3469 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2623 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3470 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2624 Coro::cede; 3471 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3472
3473 cf::cede_to_tick;
2625 } 3474 }
2626 3475
2627 while (my ($face, $info) = each %$faces) { 3476 while (my ($face, $info) = each %$faces) {
2628 next unless $info->{smooth}; 3477 next unless $info->{smooth};
3478
2629 my $idx = cf::face::find $face 3479 my $idx = cf::face::find $face
2630 or next; 3480 or next;
3481
2631 if (my $smooth = cf::face::find $info->{smooth}) { 3482 if (my $smooth = cf::face::find $info->{smooth}) {
3483 cf::face::set_smooth $idx, $smooth;
2632 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3484 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2633 } else { 3485 } else {
2634 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3486 error "smooth face '$info->{smooth}' not found for face '$face'";
2635 } 3487 }
2636 Coro::cede; 3488
3489 cf::cede_to_tick;
2637 } 3490 }
2638 } 3491 }
2639 3492
2640 { 3493 {
2641 my $anims = $facedata->{animinfo}; 3494 my $anims = $facedata->{animinfo};
2642 3495
2643 while (my ($anim, $info) = each %$anims) { 3496 while (my ($anim, $info) = each %$anims) {
2644 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3497 cf::anim::set $anim, $info->{frames}, $info->{facings};
2645 Coro::cede; 3498 cf::cede_to_tick;
2646 } 3499 }
2647 3500
2648 cf::anim::invalidate_all; # d'oh 3501 cf::anim::invalidate_all; # d'oh
2649 } 3502 }
2650 3503
3504 {
3505 my $res = $facedata->{resource};
3506
3507 while (my ($name, $info) = each %$res) {
3508 if (defined $info->{type}) {
3509 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3510
3511 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3512 cf::face::set_type $idx, $info->{type};
3513 } else {
3514 $RESOURCE{$name} = $info; # unused
3515 }
3516
3517 cf::cede_to_tick;
3518 }
3519 }
3520
3521 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3522
2651 1 3523 1
2652} 3524}
2653 3525
3526register_exticmd fx_want => sub {
3527 my ($ns, $want) = @_;
3528
3529 while (my ($k, $v) = each %$want) {
3530 $ns->fx_want ($k, $v);
3531 }
3532};
3533
3534sub load_resource_file($) {
3535 my $guard = lock_acquire "load_resource_file";
3536
3537 my $status = load_resource_file_ $_[0];
3538 get_slot 0.1, 100;
3539 cf::arch::commit_load;
3540
3541 $status
3542}
3543
2654sub reload_regions { 3544sub reload_regions {
3545 # HACK to clear player env face cache, we need some signal framework
3546 # for this (global event?)
3547 %ext::player_env::MUSIC_FACE_CACHE = ();
3548
2655 load_resource_file "$MAPDIR/regions" 3549 load_resource_file "$MAPDIR/regions"
2656 or die "unable to load regions file\n"; 3550 or die "unable to load regions file\n";
3551
3552 for (cf::region::list) {
3553 $_->{match} = qr/$_->{match}/
3554 if exists $_->{match};
3555 }
2657} 3556}
2658 3557
2659sub reload_facedata { 3558sub reload_facedata {
2660 load_facedata "$DATADIR/facedata" 3559 load_facedata "$DATADIR/facedata"
2661 or die "unable to load facedata\n"; 3560 or die "unable to load facedata\n";
2669sub reload_treasures { 3568sub reload_treasures {
2670 load_resource_file "$DATADIR/treasures" 3569 load_resource_file "$DATADIR/treasures"
2671 or die "unable to load treasurelists\n"; 3570 or die "unable to load treasurelists\n";
2672} 3571}
2673 3572
3573sub reload_sound {
3574 trace "loading sound config from $DATADIR/sound\n";
3575
3576 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3577
3578 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3579 my $sound = $soundconf->{compat}[$_]
3580 or next;
3581
3582 my $face = cf::face::find "sound/$sound->[1]";
3583 cf::sound::set $sound->[0] => $face;
3584 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3585 }
3586
3587 while (my ($k, $v) = each %{$soundconf->{event}}) {
3588 my $face = cf::face::find "sound/$v";
3589 cf::sound::set $k => $face;
3590 }
3591}
3592
2674sub reload_resources { 3593sub reload_resources {
2675 warn "reloading resource files...\n"; 3594 trace "reloading resource files...\n";
2676 3595
3596 reload_exp_table;
3597 reload_materials;
3598 reload_facedata;
3599 reload_sound;
3600 reload_archetypes;
2677 reload_regions; 3601 reload_regions;
2678 reload_facedata;
2679 #reload_archetypes;#d#
2680 reload_archetypes;
2681 reload_treasures; 3602 reload_treasures;
2682 3603
2683 warn "finished reloading resource files\n"; 3604 trace "finished reloading resource files\n";
2684} 3605}
2685 3606
2686sub init { 3607sub reload_config {
2687 reload_resources; 3608 trace "reloading config file...\n";
2688}
2689 3609
2690sub cfg_load { 3610 my $config = load_file "$CONFDIR/config";
2691 open my $fh, "<:utf8", "$CONFDIR/config" 3611 utf8::decode $config;
2692 or return; 3612 *CFG = decode_yaml $config;
2693 3613
2694 local $/;
2695 *CFG = YAML::Syck::Load <$fh>;
2696
2697 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3614 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2698 3615
2699 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3616 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2700 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3617 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2701 3618
2702 if (exists $CFG{mlockall}) { 3619 if (exists $CFG{mlockall}) {
2706 }; 3623 };
2707 warn $@ if $@; 3624 warn $@ if $@;
2708 } 3625 }
2709} 3626}
2710 3627
3628sub pidfile() {
3629 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3630 or die "$PIDFILE: $!";
3631 flock $fh, &Fcntl::LOCK_EX
3632 or die "$PIDFILE: flock: $!";
3633 $fh
3634}
3635
3636# make sure only one server instance is running at any one time
3637sub atomic {
3638 my $fh = pidfile;
3639
3640 my $pid = <$fh>;
3641 kill 9, $pid if $pid > 0;
3642
3643 seek $fh, 0, 0;
3644 print $fh $$;
3645}
3646
3647sub main_loop {
3648 trace "EV::loop starting\n";
3649 if (1) {
3650 EV::loop;
3651 }
3652 trace "EV::loop returned\n";
3653 goto &main_loop unless $REALLY_UNLOOP;
3654}
3655
2711sub main { 3656sub main {
3657 cf::init_globals; # initialise logging
3658
3659 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3660 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3661 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3662 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3663
3664 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3665
2712 # we must not ever block the main coroutine 3666 # we must not ever block the main coroutine
2713 local $Coro::idle = sub { 3667 local $Coro::idle = sub {
2714 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3668 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2715 (async { 3669 (async {
2716 Event::one_event; 3670 $Coro::current->{desc} = "IDLE BUG HANDLER";
3671 EV::loop EV::LOOP_ONESHOT;
2717 })->prio (Coro::PRIO_MAX); 3672 })->prio (Coro::PRIO_MAX);
2718 }; 3673 };
2719 3674
2720 cfg_load; 3675 evthread_start IO::AIO::poll_fileno;
3676
3677 cf::sync_job {
3678 cf::incloader::init ();
3679
3680 cf::init_anim;
3681 cf::init_attackmess;
3682 cf::init_dynamic;
3683
3684 cf::load_settings;
3685
3686 reload_resources;
3687 reload_config;
2721 db_init; 3688 db_init;
3689
3690 cf::init_uuid;
3691 cf::init_signals;
3692 cf::init_skills;
3693
3694 cf::init_beforeplay;
3695
3696 atomic;
3697
2722 load_extensions; 3698 load_extensions;
2723 3699
2724 $TICK_WATCHER->start; 3700 utime time, time, $RUNTIMEFILE;
2725 Event::loop; 3701
3702 # no (long-running) fork's whatsoever before this point(!)
3703 use POSIX ();
3704 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3705
3706 cf::_post_init 0;
3707 };
3708
3709 cf::object::thawer::errors_are_fatal 0;
3710 info "parse errors in files are no longer fatal from this point on.\n";
3711
3712 my $free_main; $free_main = EV::idle sub {
3713 undef $free_main;
3714 undef &main; # free gobs of memory :)
3715 };
3716
3717 goto &main_loop;
2726} 3718}
2727 3719
2728############################################################################# 3720#############################################################################
2729# initialisation and cleanup 3721# initialisation and cleanup
2730 3722
2731# install some emergency cleanup handlers 3723# install some emergency cleanup handlers
2732BEGIN { 3724BEGIN {
3725 our %SIGWATCHER = ();
2733 for my $signal (qw(INT HUP TERM)) { 3726 for my $signal (qw(INT HUP TERM)) {
2734 Event->signal ( 3727 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2735 reentrant => 0,
2736 data => WF_AUTOCANCEL,
2737 signal => $signal,
2738 prio => 0,
2739 cb => sub {
2740 cf::cleanup "SIG$signal"; 3728 cf::cleanup "SIG$signal";
2741 },
2742 ); 3729 };
2743 } 3730 }
2744} 3731}
2745 3732
2746sub write_runtime { 3733sub write_runtime_sync {
2747 my $runtime = "$LOCALDIR/runtime"; 3734 my $t0 = AE::time;
2748 3735
2749 # first touch the runtime file to show we are still running: 3736 # first touch the runtime file to show we are still running:
2750 # the fsync below can take a very very long time. 3737 # the fsync below can take a very very long time.
2751 3738
2752 IO::AIO::aio_utime $runtime, undef, undef; 3739 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2753 3740
2754 my $guard = cf::lock_acquire "write_runtime"; 3741 my $guard = cf::lock_acquire "write_runtime";
2755 3742
2756 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3743 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2757 or return; 3744 or return;
2758 3745
2759 my $value = $cf::RUNTIME + 90 + 10; 3746 my $value = $cf::RUNTIME + 90 + 10;
2760 # 10 is the runtime save interval, for a monotonic clock 3747 # 10 is the runtime save interval, for a monotonic clock
2761 # 60 allows for the watchdog to kill the server. 3748 # 60 allows for the watchdog to kill the server.
2771 aio_utime $fh, undef, undef; 3758 aio_utime $fh, undef, undef;
2772 3759
2773 close $fh 3760 close $fh
2774 or return; 3761 or return;
2775 3762
2776 aio_rename "$runtime~", $runtime 3763 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2777 and return; 3764 and return;
2778 3765
2779 warn "runtime file written.\n"; 3766 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2780 3767
2781 1 3768 1
3769}
3770
3771our $uuid_lock;
3772our $uuid_skip;
3773
3774sub write_uuid_sync($) {
3775 $uuid_skip ||= $_[0];
3776
3777 return if $uuid_lock;
3778 local $uuid_lock = 1;
3779
3780 my $uuid = "$LOCALDIR/uuid";
3781
3782 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3783 or return;
3784
3785 my $value = uuid_seq uuid_cur;
3786
3787 unless ($value) {
3788 info "cowardly refusing to write zero uuid value!\n";
3789 return;
3790 }
3791
3792 my $value = uuid_str $value + $uuid_skip;
3793 $uuid_skip = 0;
3794
3795 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3796 and return;
3797
3798 # always fsync - this file is important
3799 aio_fsync $fh
3800 and return;
3801
3802 close $fh
3803 or return;
3804
3805 aio_rename "$uuid~", $uuid
3806 and return;
3807
3808 trace "uuid file written ($value).\n";
3809
3810 1
3811
3812}
3813
3814sub write_uuid($$) {
3815 my ($skip, $sync) = @_;
3816
3817 $sync ? write_uuid_sync $skip
3818 : async { write_uuid_sync $skip };
2782} 3819}
2783 3820
2784sub emergency_save() { 3821sub emergency_save() {
2785 my $freeze_guard = cf::freeze_mainloop; 3822 my $freeze_guard = cf::freeze_mainloop;
2786 3823
2787 warn "enter emergency perl save\n"; 3824 info "emergency_perl_save: enter\n";
3825
3826 # this is a trade-off: we want to be very quick here, so
3827 # save all maps without fsync, and later call a global sync
3828 # (which in turn might be very very slow)
3829 local $USE_FSYNC = 0;
2788 3830
2789 cf::sync_job { 3831 cf::sync_job {
3832 cf::write_runtime_sync; # external watchdog should not bark
3833
2790 # use a peculiar iteration method to avoid tripping on perl 3834 # use a peculiar iteration method to avoid tripping on perl
2791 # refcount bugs in for. also avoids problems with players 3835 # refcount bugs in for. also avoids problems with players
2792 # and maps saved/destroyed asynchronously. 3836 # and maps saved/destroyed asynchronously.
2793 warn "begin emergency player save\n"; 3837 info "emergency_perl_save: begin player save\n";
2794 for my $login (keys %cf::PLAYER) { 3838 for my $login (keys %cf::PLAYER) {
2795 my $pl = $cf::PLAYER{$login} or next; 3839 my $pl = $cf::PLAYER{$login} or next;
2796 $pl->valid or next; 3840 $pl->valid or next;
3841 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2797 $pl->save; 3842 $pl->save;
2798 } 3843 }
2799 warn "end emergency player save\n"; 3844 info "emergency_perl_save: end player save\n";
2800 3845
2801 warn "begin emergency map save\n"; 3846 cf::write_runtime_sync; # external watchdog should not bark
3847
3848 info "emergency_perl_save: begin map save\n";
2802 for my $path (keys %cf::MAP) { 3849 for my $path (keys %cf::MAP) {
2803 my $map = $cf::MAP{$path} or next; 3850 my $map = $cf::MAP{$path} or next;
2804 $map->valid or next; 3851 $map->valid or next;
2805 $map->save; 3852 $map->save;
2806 } 3853 }
2807 warn "end emergency map save\n"; 3854 info "emergency_perl_save: end map save\n";
2808 3855
2809 warn "begin emergency database checkpoint\n"; 3856 cf::write_runtime_sync; # external watchdog should not bark
3857
3858 info "emergency_perl_save: begin database checkpoint\n";
2810 BDB::db_env_txn_checkpoint $DB_ENV; 3859 BDB::db_env_txn_checkpoint $DB_ENV;
2811 warn "end emergency database checkpoint\n"; 3860 info "emergency_perl_save: end database checkpoint\n";
3861
3862 info "emergency_perl_save: begin write uuid\n";
3863 write_uuid_sync 1;
3864 info "emergency_perl_save: end write uuid\n";
3865
3866 cf::write_runtime_sync; # external watchdog should not bark
3867
3868 trace "emergency_perl_save: syncing database to disk";
3869 BDB::db_env_txn_checkpoint $DB_ENV;
3870
3871 info "emergency_perl_save: starting sync\n";
3872 IO::AIO::aio_sync sub {
3873 info "emergency_perl_save: finished sync\n";
3874 };
3875
3876 cf::write_runtime_sync; # external watchdog should not bark
3877
3878 trace "emergency_perl_save: flushing outstanding aio requests";
3879 while (IO::AIO::nreqs || BDB::nreqs) {
3880 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3881 }
3882
3883 cf::write_runtime_sync; # external watchdog should not bark
2812 }; 3884 };
2813 3885
2814 warn "leave emergency perl save\n"; 3886 info "emergency_perl_save: leave\n";
2815} 3887}
2816 3888
2817sub post_cleanup { 3889sub post_cleanup {
2818 my ($make_core) = @_; 3890 my ($make_core) = @_;
2819 3891
3892 IO::AIO::flush;
3893
2820 warn Carp::longmess "post_cleanup backtrace" 3894 error Carp::longmess "post_cleanup backtrace"
2821 if $make_core; 3895 if $make_core;
3896
3897 my $fh = pidfile;
3898 unlink $PIDFILE if <$fh> == $$;
3899}
3900
3901# a safer delete_package, copied from Symbol
3902sub clear_package($) {
3903 my $pkg = shift;
3904
3905 # expand to full symbol table name if needed
3906 unless ($pkg =~ /^main::.*::$/) {
3907 $pkg = "main$pkg" if $pkg =~ /^::/;
3908 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3909 $pkg .= '::' unless $pkg =~ /::$/;
3910 }
3911
3912 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3913 my $stem_symtab = *{$stem}{HASH};
3914
3915 defined $stem_symtab and exists $stem_symtab->{$leaf}
3916 or return;
3917
3918 # clear all symbols
3919 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3920 for my $name (keys %$leaf_symtab) {
3921 _gv_clear *{"$pkg$name"};
3922# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3923 }
2822} 3924}
2823 3925
2824sub do_reload_perl() { 3926sub do_reload_perl() {
2825 # can/must only be called in main 3927 # can/must only be called in main
2826 if ($Coro::current != $Coro::main) { 3928 unless (in_main) {
2827 warn "can only reload from main coroutine"; 3929 error "can only reload from main coroutine";
2828 return; 3930 return;
2829 } 3931 }
2830 3932
2831 warn "reloading..."; 3933 return if $RELOAD++;
2832 3934
2833 warn "entering sync_job"; 3935 my $t1 = AE::time;
2834 3936
3937 while ($RELOAD) {
3938 cf::get_slot 0.1, -1, "reload_perl";
3939 info "perl_reload: reloading...";
3940
3941 trace "perl_reload: entering sync_job";
3942
2835 cf::sync_job { 3943 cf::sync_job {
2836 cf::write_runtime; # external watchdog should not bark
2837 cf::emergency_save; 3944 #cf::emergency_save;
2838 cf::write_runtime; # external watchdog should not bark
2839 3945
2840 warn "syncing database to disk";
2841 BDB::db_env_txn_checkpoint $DB_ENV;
2842
2843 # if anything goes wrong in here, we should simply crash as we already saved
2844
2845 warn "cancelling all WF_AUTOCANCEL watchers";
2846 for (Event::all_watchers) {
2847 $_->cancel if $_->data & WF_AUTOCANCEL;
2848 }
2849
2850 warn "flushing outstanding aio requests";
2851 for (;;) {
2852 BDB::flush;
2853 IO::AIO::flush;
2854 Coro::cede;
2855 last unless IO::AIO::nreqs || BDB::nreqs;
2856 warn "iterate...";
2857 }
2858
2859 ++$RELOAD;
2860
2861 warn "cancelling all extension coros"; 3946 trace "perl_reload: cancelling all extension coros";
2862 $_->cancel for values %EXT_CORO; 3947 $_->cancel for values %EXT_CORO;
2863 %EXT_CORO = (); 3948 %EXT_CORO = ();
2864 3949
2865 warn "removing commands"; 3950 trace "perl_reload: removing commands";
2866 %COMMAND = (); 3951 %COMMAND = ();
2867 3952
2868 warn "removing ext commands"; 3953 trace "perl_reload: removing ext/exti commands";
2869 %EXTCMD = (); 3954 %EXTCMD = ();
3955 %EXTICMD = ();
2870 3956
2871 warn "unloading/nuking all extensions"; 3957 trace "perl_reload: unloading/nuking all extensions";
2872 for my $pkg (@EXTS) { 3958 for my $pkg (@EXTS) {
2873 warn "... unloading $pkg"; 3959 trace "... unloading $pkg";
2874 3960
2875 if (my $cb = $pkg->can ("unload")) { 3961 if (my $cb = $pkg->can ("unload")) {
2876 eval { 3962 eval {
2877 $cb->($pkg); 3963 $cb->($pkg);
2878 1 3964 1
2879 } or warn "$pkg unloaded, but with errors: $@"; 3965 } or error "$pkg unloaded, but with errors: $@";
3966 }
3967
3968 trace "... clearing $pkg";
3969 clear_package $pkg;
2880 } 3970 }
2881 3971
2882 warn "... nuking $pkg";
2883 Symbol::delete_package $pkg;
2884 }
2885
2886 warn "unloading all perl modules loaded from $LIBDIR"; 3972 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2887 while (my ($k, $v) = each %INC) { 3973 while (my ($k, $v) = each %INC) {
2888 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3974 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2889 3975
2890 warn "... unloading $k"; 3976 trace "... unloading $k";
2891 delete $INC{$k}; 3977 delete $INC{$k};
2892 3978
2893 $k =~ s/\.pm$//; 3979 $k =~ s/\.pm$//;
2894 $k =~ s/\//::/g; 3980 $k =~ s/\//::/g;
2895 3981
2896 if (my $cb = $k->can ("unload_module")) { 3982 if (my $cb = $k->can ("unload_module")) {
2897 $cb->(); 3983 $cb->();
3984 }
3985
3986 clear_package $k;
2898 } 3987 }
2899 3988
2900 Symbol::delete_package $k;
2901 }
2902
2903 warn "getting rid of safe::, as good as possible"; 3989 trace "perl_reload: getting rid of safe::, as good as possible";
2904 Symbol::delete_package "safe::$_" 3990 clear_package "safe::$_"
2905 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3991 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2906 3992
2907 warn "unloading cf.pm \"a bit\""; 3993 trace "perl_reload: unloading cf.pm \"a bit\"";
2908 delete $INC{"cf.pm"}; 3994 delete $INC{"cf.pm"};
2909 delete $INC{"cf/pod.pm"}; 3995 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2910 3996
2911 # don't, removes xs symbols, too, 3997 # don't, removes xs symbols, too,
2912 # and global variables created in xs 3998 # and global variables created in xs
2913 #Symbol::delete_package __PACKAGE__; 3999 #clear_package __PACKAGE__;
2914 4000
2915 warn "unload completed, starting to reload now"; 4001 info "perl_reload: unload completed, starting to reload now";
2916 4002
2917 warn "reloading cf.pm"; 4003 trace "perl_reload: reloading cf.pm";
2918 require cf; 4004 require cf;
2919 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4005 cf::_connect_to_perl_1;
2920 4006
2921 warn "loading config and database again"; 4007 trace "perl_reload: loading config and database again";
2922 cf::cfg_load; 4008 cf::reload_config;
2923 4009
2924 warn "loading extensions"; 4010 trace "perl_reload: loading extensions";
2925 cf::load_extensions; 4011 cf::load_extensions;
2926 4012
4013 if ($REATTACH_ON_RELOAD) {
2927 warn "reattaching attachments to objects/players"; 4014 trace "perl_reload: reattaching attachments to objects/players";
2928 _global_reattach; # objects, sockets 4015 _global_reattach; # objects, sockets
2929 warn "reattaching attachments to maps"; 4016 trace "perl_reload: reattaching attachments to maps";
2930 reattach $_ for values %MAP; 4017 reattach $_ for values %MAP;
2931 warn "reattaching attachments to players"; 4018 trace "perl_reload: reattaching attachments to players";
2932 reattach $_ for values %PLAYER; 4019 reattach $_ for values %PLAYER;
4020 }
2933 4021
2934 warn "leaving sync_job"; 4022 cf::_post_init 1;
2935 4023
4024 trace "perl_reload: leaving sync_job";
4025
2936 1 4026 1
2937 } or do { 4027 } or do {
2938 warn $@; 4028 error $@;
2939 warn "error while reloading, exiting."; 4029 cf::cleanup "perl_reload: error, exiting.";
2940 exit 1; 4030 };
4031
4032 --$RELOAD;
2941 }; 4033 }
2942 4034
2943 warn "reloaded"; 4035 $t1 = AE::time - $t1;
4036 info "perl_reload: completed in ${t1}s\n";
2944}; 4037};
2945 4038
2946our $RELOAD_WATCHER; # used only during reload 4039our $RELOAD_WATCHER; # used only during reload
2947 4040
2948sub reload_perl() { 4041sub reload_perl() {
2949 # doing reload synchronously and two reloads happen back-to-back, 4042 # doing reload synchronously and two reloads happen back-to-back,
2950 # coro crashes during coro_state_free->destroy here. 4043 # coro crashes during coro_state_free->destroy here.
2951 4044
2952 $RELOAD_WATCHER ||= Event->timer ( 4045 $RELOAD_WATCHER ||= cf::async {
2953 reentrant => 0, 4046 Coro::AIO::aio_wait cache_extensions;
2954 after => 0, 4047
2955 data => WF_AUTOCANCEL, 4048 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2956 cb => sub {
2957 do_reload_perl; 4049 do_reload_perl;
2958 undef $RELOAD_WATCHER; 4050 undef $RELOAD_WATCHER;
2959 }, 4051 };
2960 ); 4052 };
2961} 4053}
2962 4054
2963register_command "reload" => sub { 4055register_command "reload" => sub {
2964 my ($who, $arg) = @_; 4056 my ($who, $arg) = @_;
2965 4057
2966 if ($who->flag (FLAG_WIZ)) { 4058 if ($who->flag (FLAG_WIZ)) {
2967 $who->message ("reloading server."); 4059 $who->message ("reloading server.");
4060 async {
4061 $Coro::current->{desc} = "perl_reload";
2968 async { reload_perl }; 4062 reload_perl;
4063 };
2969 } 4064 }
2970}; 4065};
2971 4066
2972unshift @INC, $LIBDIR; 4067#############################################################################
2973 4068
2974my $bug_warning = 0; 4069my $bug_warning = 0;
2975 4070
2976our @WAIT_FOR_TICK; 4071our @WAIT_FOR_TICK;
2977our @WAIT_FOR_TICK_BEGIN; 4072our @WAIT_FOR_TICK_BEGIN;
2978 4073
2979sub wait_for_tick { 4074sub wait_for_tick() {
2980 return unless $TICK_WATCHER->is_active;
2981 return if $Coro::current == $Coro::main; 4075 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2982 4076
2983 my $signal = new Coro::Signal; 4077 my $signal = new Coro::Signal;
2984 push @WAIT_FOR_TICK, $signal; 4078 push @WAIT_FOR_TICK, $signal;
2985 $signal->wait; 4079 $signal->wait;
2986} 4080}
2987 4081
2988sub wait_for_tick_begin { 4082sub wait_for_tick_begin() {
2989 return unless $TICK_WATCHER->is_active;
2990 return if $Coro::current == $Coro::main; 4083 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2991 4084
2992 my $signal = new Coro::Signal; 4085 my $signal = new Coro::Signal;
2993 push @WAIT_FOR_TICK_BEGIN, $signal; 4086 push @WAIT_FOR_TICK_BEGIN, $signal;
2994 $signal->wait; 4087 $signal->wait;
2995} 4088}
2996 4089
2997 my $min = 1e6;#d# 4090sub tick {
2998 my $avg = 10;
2999$TICK_WATCHER = Event->timer (
3000 reentrant => 0,
3001 parked => 1,
3002 prio => 0,
3003 at => $NEXT_TICK || $TICK,
3004 data => WF_AUTOCANCEL,
3005 cb => sub {
3006 if ($Coro::current != $Coro::main) { 4091 if ($Coro::current != $Coro::main) {
3007 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4092 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3008 unless ++$bug_warning > 10; 4093 unless ++$bug_warning > 10;
3009 return; 4094 return;
3010 } 4095 }
3011 4096
3012 $NOW = $tick_start = Event::time;
3013
3014 cf::server_tick; # one server iteration 4097 cf::server_tick; # one server iteration
3015 4098
3016 0 && sync_job {#d# 4099 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3017 for(1..10) {
3018 my $t = Event::time;
3019 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3020 or die;
3021 4100
3022 $map->width (50); 4101 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3023 $map->height (50); 4102 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3024 $map->alloc; 4103 Coro::async_pool {
3025 $map->_load_objects ("/tmp/x.map", 1); 4104 $Coro::current->{desc} = "runtime saver";
3026 my $t = Event::time - $t; 4105 write_runtime_sync
3027 4106 or error "ERROR: unable to write runtime file: $!";
3028 #next unless $t < 0.0013;#d#
3029 if ($t < $min) {
3030 $min = $t;
3031 }
3032 $avg = $avg * 0.99 + $t * 0.01;
3033 }
3034 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3035 exit 0;
3036 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3037 }; 4107 };
4108 }
3038 4109
3039 $RUNTIME += $TICK;
3040 $NEXT_TICK += $TICK;
3041
3042 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3043 $NEXT_RUNTIME_WRITE = $NOW + 10;
3044 Coro::async_pool {
3045 write_runtime
3046 or warn "ERROR: unable to write runtime file: $!";
3047 };
3048 }
3049
3050# my $AFTER = Event::time;
3051# warn $AFTER - $NOW;#d#
3052
3053 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4110 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3054 $sig->send; 4111 $sig->send;
3055 } 4112 }
3056 while (my $sig = shift @WAIT_FOR_TICK) { 4113 while (my $sig = shift @WAIT_FOR_TICK) {
3057 $sig->send; 4114 $sig->send;
3058 } 4115 }
3059 4116
3060 $NOW = Event::time; 4117 $LOAD = ($NOW - $TICK_START) / $TICK;
3061
3062 # if we are delayed by four ticks or more, skip them all
3063 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3064
3065 $TICK_WATCHER->at ($NEXT_TICK);
3066 $TICK_WATCHER->start;
3067
3068 $LOAD = ($NOW - $tick_start) / $TICK;
3069 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4118 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3070 4119
3071 _post_tick; 4120 if (0) {
3072 4121 if ($NEXT_TICK) {
3073 4122 my $jitter = $TICK_START - $NEXT_TICK;
4123 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4124 debug "jitter $JITTER\n";#d#
4125 }
3074 }, 4126 }
3075); 4127}
3076 4128
3077{ 4129{
3078 BDB::max_poll_time $TICK * 0.1; 4130 # configure BDB
3079 $BDB_POLL_WATCHER = Event->io ( 4131
3080 reentrant => 0,
3081 fd => BDB::poll_fileno,
3082 poll => 'r',
3083 prio => 0,
3084 data => WF_AUTOCANCEL,
3085 cb => \&BDB::poll_cb,
3086 );
3087 BDB::min_parallel 8; 4132 BDB::min_parallel 16;
3088 4133 BDB::max_poll_reqs $TICK * 0.1;
3089 BDB::set_sync_prepare { 4134 $AnyEvent::BDB::WATCHER->priority (1);
3090 my $status;
3091 my $current = $Coro::current;
3092 (
3093 sub {
3094 $status = $!;
3095 $current->ready; undef $current;
3096 },
3097 sub {
3098 Coro::schedule while defined $current;
3099 $! = $status;
3100 },
3101 )
3102 };
3103 4135
3104 unless ($DB_ENV) { 4136 unless ($DB_ENV) {
3105 $DB_ENV = BDB::db_env_create; 4137 $DB_ENV = BDB::db_env_create;
4138 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4139 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4140 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4141 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4142 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3106 4143
3107 cf::sync_job { 4144 cf::sync_job {
3108 eval { 4145 eval {
3109 BDB::db_env_open 4146 BDB::db_env_open
3110 $DB_ENV, 4147 $DB_ENV,
3112 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4149 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3113 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4150 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3114 0666; 4151 0666;
3115 4152
3116 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4153 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3117
3118 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3119 $DB_ENV->set_lk_detect;
3120 }; 4154 };
3121 4155
3122 cf::cleanup "db_env_open(db): $@" if $@; 4156 cf::cleanup "db_env_open(db): $@" if $@;
3123 }; 4157 };
3124 } 4158 }
4159
4160 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4161 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4162 };
4163 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4164 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4165 };
4166 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4167 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4168 };
3125} 4169}
3126 4170
3127{ 4171{
4172 # configure IO::AIO
4173
3128 IO::AIO::min_parallel 8; 4174 IO::AIO::min_parallel 8;
3129
3130 undef $Coro::AIO::WATCHER;
3131 IO::AIO::max_poll_time $TICK * 0.1; 4175 IO::AIO::max_poll_time $TICK * 0.1;
3132 $AIO_POLL_WATCHER = Event->io ( 4176 undef $AnyEvent::AIO::WATCHER;
3133 reentrant => 0,
3134 data => WF_AUTOCANCEL,
3135 fd => IO::AIO::poll_fileno,
3136 poll => 'r',
3137 prio => 6,
3138 cb => \&IO::AIO::poll_cb,
3139 );
3140} 4177}
3141 4178
3142my $_log_backtrace; 4179our $_log_backtrace;
4180our $_log_backtrace_last;
3143 4181
3144sub _log_backtrace { 4182sub _log_backtrace {
3145 my ($msg, @addr) = @_; 4183 my ($msg, @addr) = @_;
3146 4184
3147 $msg =~ s/\n//; 4185 $msg =~ s/\n$//;
3148 4186
4187 if ($_log_backtrace_last eq $msg) {
4188 LOG llevInfo, "[ABT] $msg\n";
4189 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3149 # limit the # of concurrent backtraces 4190 # limit the # of concurrent backtraces
3150 if ($_log_backtrace < 2) { 4191 } elsif ($_log_backtrace < 2) {
4192 $_log_backtrace_last = $msg;
3151 ++$_log_backtrace; 4193 ++$_log_backtrace;
4194 my $perl_bt = Carp::longmess $msg;
3152 async { 4195 async {
4196 $Coro::current->{desc} = "abt $msg";
4197
3153 my @bt = fork_call { 4198 my @bt = fork_call {
3154 @addr = map { sprintf "%x", $_ } @addr; 4199 @addr = map { sprintf "%x", $_ } @addr;
3155 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4200 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3156 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4201 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3157 or die "addr2line: $!"; 4202 or die "addr2line: $!";
3165 } 4210 }
3166 4211
3167 @funcs 4212 @funcs
3168 }; 4213 };
3169 4214
3170 LOG llevInfo, "[ABT] $msg\n"; 4215 LOG llevInfo, "[ABT] $perl_bt\n";
4216 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3171 LOG llevInfo, "[ABT] $_\n" for @bt; 4217 LOG llevInfo, "[ABT] $_\n" for @bt;
3172 --$_log_backtrace; 4218 --$_log_backtrace;
3173 }; 4219 };
3174 } else { 4220 } else {
3175 LOG llevInfo, "[ABT] $msg\n"; 4221 LOG llevInfo, "[ABT] $msg\n";
3176 LOG llevInfo, "[ABT] [suppressed]\n"; 4222 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3177 } 4223 }
3178} 4224}
3179 4225
3180# load additional modules 4226# load additional modules
3181use cf::pod; 4227require "cf/$_.pm" for @EXTRA_MODULES;
4228cf::_connect_to_perl_2;
3182 4229
3183END { cf::emergency_save } 4230END { cf::emergency_save }
3184 4231
31851 42321
3186 4233

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