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Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.567 by root, Mon May 2 16:16:00 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use 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
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
34 64
35# configure various modules to our taste 65# configure various modules to our taste
36# 66#
37$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
38Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40 75
41$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
42 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44$YAML::Syck::ImplicitUnicode = 1;
45
46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47 78
48sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
49 82
50our %COMMAND = (); 83our %COMMAND = ();
51our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
52 85
53our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
54our %EXTCMD = (); 87our %EXTCMD = ();
55our %EXTICMD = (); 88our %EXTICMD = ();
56our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
57our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
58 91
59our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
60our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
61 96
62our $CONFDIR = confdir; 97our $CONFDIR = confdir;
98
63our $DATADIR = datadir; 99our $DATADIR = datadir;
64our $LIBDIR = "$DATADIR/ext"; 100our $LIBDIR = "$DATADIR/ext";
65our $PODDIR = "$DATADIR/pod"; 101our $PODDIR = "$DATADIR/pod";
66our $MAPDIR = "$DATADIR/" . mapdir; 102our $MAPDIR = "$DATADIR/" . mapdir;
103
67our $LOCALDIR = localdir; 104our $LOCALDIR = localdir;
68our $TMPDIR = "$LOCALDIR/" . tmpdir; 105our $TMPDIR = "$LOCALDIR/" . tmpdir;
69our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 106our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70our $PLAYERDIR = "$LOCALDIR/" . playerdir; 107our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71our $RANDOMDIR = "$LOCALDIR/random"; 108our $RANDOMDIR = "$LOCALDIR/random";
72our $BDBDIR = "$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;
73 120
74our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 121our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75our $TICK_WATCHER;
76our $AIO_POLL_WATCHER;
77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 122our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78our $NEXT_TICK; 123our $NEXT_TICK;
79our $NOW;
80our $USE_FSYNC = 1; # use fsync to write maps - default off 124our $USE_FSYNC = 1; # use fsync to write maps - default on
81 125
126our $BDB_DEADLOCK_WATCHER;
127our $BDB_CHECKPOINT_WATCHER;
82our $BDB_POLL_WATCHER; 128our $BDB_TRICKLE_WATCHER;
83our $DB_ENV; 129our $DB_ENV;
130
131our @EXTRA_MODULES = qw(pod match mapscript incloader);
84 132
85our %CFG; 133our %CFG;
86 134
87our $UPTIME; $UPTIME ||= time; 135our $UPTIME; $UPTIME ||= time;
88our $RUNTIME; 136our $RUNTIME;
137our $NOW;
89 138
90our %PLAYER; # all users 139our (%PLAYER, %PLAYER_LOADING); # all users
91our %MAP; # all maps 140our (%MAP, %MAP_LOADING ); # all maps
92our $LINK_MAP; # the special {link} map, which is always available 141our $LINK_MAP; # the special {link} map, which is always available
93 142
94# 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 ∕
95our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 144our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96 145
97our $LOAD; # a number between 0 (idle) and 1 (too many objects) 146our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98our $LOADAVG; # same thing, but with alpha-smoothing 147our $LOADAVG; # same thing, but with alpha-smoothing
148our $JITTER; # average jitter
99our $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 $REALLY_UNLOOP; # never set to true, please :)
100 155
101binmode STDOUT; 156binmode STDOUT;
102binmode STDERR; 157binmode STDERR;
103 158
104# read virtual server time, if available 159# read virtual server time, if available
105unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 160unless ($RUNTIME || !-e $RUNTIMEFILE) {
106 open my $fh, "<", "$LOCALDIR/runtime" 161 open my $fh, "<", $RUNTIMEFILE
107 or die "unable to read runtime file: $!"; 162 or die "unable to read $RUNTIMEFILE file: $!";
108 $RUNTIME = <$fh> + 0.; 163 $RUNTIME = <$fh> + 0.;
109} 164}
165
166eval "sub TICK() { $TICK } 1" or die;
110 167
111mkdir $_ 168mkdir $_
112 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 169 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113 170
114our $EMERGENCY_POSITION; 171our $EMERGENCY_POSITION;
115 172
116sub 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::"} };
117 189
118############################################################################# 190#############################################################################
119 191
120=head2 GLOBAL VARIABLES 192=head2 GLOBAL VARIABLES
121 193
157 229
158The raw value load value from the last tick. 230The raw value load value from the last tick.
159 231
160=item %cf::CFG 232=item %cf::CFG
161 233
162Configuration for the server, loaded from C</etc/crossfire/config>, or 234Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163from wherever your confdir points to. 235from wherever your confdir points to.
164 236
165=item cf::wait_for_tick, cf::wait_for_tick_begin 237=item cf::wait_for_tick, cf::wait_for_tick_begin
166 238
167These 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
168returns 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
169per 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.
170 242
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
171=back 260=back
172 261
173=cut 262=cut
174 263
175BEGIN { 264sub error(@) { LOG llevError, join "", @_ }
176 *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 {
177 my $msg = join "", @_; 271 my $msg = join "", @_;
178 272
179 $msg .= "\n" 273 $msg .= "\n"
180 unless $msg =~ /\n$/; 274 unless $msg =~ /\n$/;
181 275
182 $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;
183 277
184 utf8::encode $msg;
185 LOG llevError, $msg; 278 LOG llevWarn, $msg;
186 }; 279};
187} 280
281$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};
188 294
189@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 295@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 296@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 297@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 298@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
199for my $pkg (qw( 305for my $pkg (qw(
200 cf::global cf::attachable 306 cf::global cf::attachable
201 cf::object cf::object::player 307 cf::object cf::object::player
202 cf::client cf::player 308 cf::client cf::player
203 cf::arch cf::living 309 cf::arch cf::living
310 cf::map cf::mapspace
204 cf::map cf::party cf::region 311 cf::party cf::region
205)) { 312)) {
206 no strict 'refs';
207 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 313 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208} 314}
209 315
210$Event::DIED = sub { 316$EV::DIED = sub {
211 warn "error in event callback: @_"; 317 Carp::cluck "error in event callback: @_";
212}; 318};
319
320#############################################################################
321
322sub fork_call(&@);
323sub get_slot($;$$);
213 324
214############################################################################# 325#############################################################################
215 326
216=head2 UTILITY FUNCTIONS 327=head2 UTILITY FUNCTIONS
217 328
238 $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;
239 $d 350 $d
240 } || "[unable to dump $_[0]: '$@']"; 351 } || "[unable to dump $_[0]: '$@']";
241} 352}
242 353
354=item $scalar = load_file $path
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
251=cut 376=cut
252 377
253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 378our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254 379
255sub to_json ($) { $json_coder->encode ($_[0]) } 380sub encode_json($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[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}
257 444
258=item cf::lock_wait $string 445=item cf::lock_wait $string
259 446
260Wait until the given lock is available. See cf::lock_acquire. 447Wait until the given lock is available. See cf::lock_acquire.
261 448
262=item my $lock = cf::lock_acquire $string 449=item my $lock = cf::lock_acquire $string
263 450
264Wait 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
265a 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,
266for example when the coroutine gets canceled), the lock is automatically 453for example when the coroutine gets canceled), the lock is automatically
267returned. 454returned.
268 455
456Locks are *not* recursive, locking from the same coro twice results in a
457deadlocked coro.
458
269Lock 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
270uses map_find and cf::map::load uses map_load). 460uses map_find and cf::map::load uses map_load).
271 461
272=item $locked = cf::lock_active $string 462=item $locked = cf::lock_active $string
273 463
274Return 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.
275 465
276=cut 466=cut
277 467
278our %LOCK; 468our $LOCKS = new Coro::SemaphoreSet;
279 469
280sub lock_wait($) { 470sub lock_wait($) {
281 my ($key) = @_; 471 $LOCKS->wait ($_[0]);
282
283 # wait for lock, if any
284 while ($LOCK{$key}) {
285 push @{ $LOCK{$key} }, $Coro::current;
286 Coro::schedule;
287 }
288} 472}
289 473
290sub lock_acquire($) { 474sub lock_acquire($) {
291 my ($key) = @_; 475 $LOCKS->guard ($_[0])
292
293 # wait, to be sure we are not locked
294 lock_wait $key;
295
296 $LOCK{$key} = [];
297
298 Coro::guard {
299 # wake up all waiters, to be on the safe side
300 $_->ready for @{ delete $LOCK{$key} };
301 }
302} 476}
303 477
304sub lock_active($) { 478sub lock_active($) {
305 my ($key) = @_; 479 $LOCKS->count ($_[0]) < 1
306
307 ! ! $LOCK{$key}
308} 480}
309 481
310sub freeze_mainloop { 482sub freeze_mainloop {
311 return unless $TICK_WATCHER->is_active; 483 tick_inhibit_inc;
312 484
313 my $guard = Coro::guard { 485 &Guard::guard (\&tick_inhibit_dec);
314 $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 }
315 }; 556 }
316 $TICK_WATCHER->stop; 557};
317 $guard 558
559sub get_slot($;$$) {
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;
318} 572}
319 573
320=item cf::async { BLOCK } 574=item cf::async { BLOCK }
321 575
322Currently the same as Coro::async_pool, meaning you cannot use 576Currently the same as Coro::async_pool, meaning you cannot use
327 581
328BEGIN { *async = \&Coro::async_pool } 582BEGIN { *async = \&Coro::async_pool }
329 583
330=item cf::sync_job { BLOCK } 584=item cf::sync_job { BLOCK }
331 585
332The design of Crossfire TRT requires that the main coroutine ($Coro::main) 586The design of Deliantra requires that the main coroutine ($Coro::main)
333is always able to handle events or runnable, as Crossfire TRT is only 587is always able to handle events or runnable, as Deliantra is only
334partly 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
335acceptable. 589acceptable.
336 590
337If 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
338the given BLOCK in another coroutine while waiting for the result. The 592the given BLOCK in another coroutine while waiting for the result. The
342=cut 596=cut
343 597
344sub sync_job(&) { 598sub sync_job(&) {
345 my ($job) = @_; 599 my ($job) = @_;
346 600
347 if ($Coro::current == $Coro::main) { 601 if (in_main) {
348 my $time = Event::time; 602 my $time = AE::time;
349 603
350 # this is the main coro, too bad, we have to block 604 # this is the main coro, too bad, we have to block
351 # till the operation succeeds, freezing the server :/ 605 # till the operation succeeds, freezing the server :/
352 606
353 # TODO: use suspend/resume instead 607 #LOG llevError, Carp::longmess "sync job";#d#
354 # (but this is cancel-safe) 608
355 my $freeze_guard = freeze_mainloop; 609 my $freeze_guard = freeze_mainloop;
356 610
357 my $busy = 1; 611 my $busy = 1;
358 my @res; 612 my @res;
359 613
360 (async { 614 (async {
615 $Coro::current->desc ("sync job coro");
361 @res = eval { $job->() }; 616 @res = eval { $job->() };
362 warn $@ if $@; 617 error $@ if $@;
363 undef $busy; 618 undef $busy;
364 })->prio (Coro::PRIO_MAX); 619 })->prio (Coro::PRIO_MAX);
365 620
366 while ($busy) { 621 while ($busy) {
367 Coro::cede or Event::one_event; 622 if (Coro::nready) {
623 Coro::cede_notself;
624 } else {
625 EV::loop EV::LOOP_ONESHOT;
368 } 626 }
627 }
369 628
370 $time = Event::time - $time; 629 my $time = AE::time - $time;
371 630
372 LOG llevError | logBacktrace, Carp::longmess "long sync job"
373 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375 $tick_start += $time; # do not account sync jobs to server load 631 $TICK_START += $time; # do not account sync jobs to server load
376 632
377 wantarray ? @res : $res[0] 633 wantarray ? @res : $res[0]
378 } else { 634 } else {
379 # we are in another coroutine, how wonderful, everything just works 635 # we are in another coroutine, how wonderful, everything just works
380 636
400 $EXT_CORO{$coro+0} = $coro; 656 $EXT_CORO{$coro+0} = $coro;
401 657
402 $coro 658 $coro
403} 659}
404 660
405=item fork_call { }, $args 661=item fork_call { }, @args
406 662
407Executes the given code block with the given arguments in a seperate 663Executes the given code block with the given arguments in a seperate
408process, returning the results. Everything must be serialisable with 664process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may 665Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling. 666never block itself or use any form of event handling.
411 667
412=cut 668=cut
669
670sub post_fork {
671 reset_signals;
672}
413 673
414sub fork_call(&@) { 674sub fork_call(&@) {
415 my ($cb, @args) = @_; 675 my ($cb, @args) = @_;
416 676
417# 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,
418# or die "socketpair: $!"; 678 # otherwise perl prematurely frees the stuff :/
419 pipe my $fh1, my $fh2 679 # TODO: investigate and fix (likely this will be rather laborious)
420 or die "pipe: $!";
421 680
422 if (my $pid = fork) { 681 my @res = Coro::Util::fork_eval {
423 close $fh2; 682 cf::post_fork;
683 &$cb
684 } @args;
424 685
425 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 686 wantarray ? @res : $res[-1]
426 $res = Coro::Storable::thaw $res; 687}
427 688
428 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 689sub objinfo {
429
430 die $$res unless "ARRAY" eq ref $res;
431
432 return wantarray ? @$res : $res->[-1];
433 } else {
434 reset_signals;
435 local $SIG{__WARN__};
436 local $SIG{__DIE__};
437 eval {
438 close $fh1;
439
440 my @res = eval { $cb->(@args) };
441 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442 };
443
444 warn $@ if $@;
445 _exit 0;
446 } 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
447} 725}
448 726
449=item $value = cf::db_get $family => $key 727=item $value = cf::db_get $family => $key
450 728
451Returns a single value from the environment database. 729Returns a single value from the environment database.
453=item cf::db_put $family => $key => $value 731=item cf::db_put $family => $key => $value
454 732
455Stores the given C<$value> in the family. It can currently store binary 733Stores the given C<$value> in the family. It can currently store binary
456data 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).
457 735
736=item $db = cf::db_table "name"
737
738Create and/or open a new database table. The string must not be "db" and must be unique
739within each server.
740
458=cut 741=cut
742
743sub db_table($) {
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}
459 762
460our $DB; 763our $DB;
461 764
462sub db_init { 765sub db_init {
463 unless ($DB) { 766 $DB ||= db_table "db";
464 $DB = BDB::db_create $DB_ENV;
465
466 cf::sync_job {
467 eval {
468 $DB->set_flags (BDB::CHKSUM);
469
470 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472 cf::cleanup "db_open(db): $!" if $!;
473 };
474 cf::cleanup "db_open(db): $@" if $@;
475 };
476 }
477} 767}
478 768
479sub db_get($$) { 769sub db_get($$) {
480 my $key = "$_[0]/$_[1]"; 770 my $key = "$_[0]/$_[1]";
481 771
482 cf::sync_job { 772 cf::error "db_get called from main context"
773 if $Coro::current == $Coro::main;
774
483 BDB::db_get $DB, undef, $key, my $data; 775 BDB::db_get $DB, undef, $key, my $data;
484 776
485 $! ? () 777 $! ? ()
486 : $data 778 : $data
487 }
488} 779}
489 780
490sub db_put($$$) { 781sub db_put($$$) {
491 BDB::dbreq_pri 4; 782 BDB::dbreq_pri 4;
492 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 783 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
520 811
521 my @data; 812 my @data;
522 my $md5; 813 my $md5;
523 814
524 for (0 .. $#$src) { 815 for (0 .. $#$src) {
525 0 <= aio_load $src->[$_], $data[$_] 816 $data[$_] = load_file $src->[$_];
526 or Carp::croak "$src->[$_]: $!";
527 } 817 }
528 818
529 # if processing is expensive, check 819 # if processing is expensive, check
530 # checksum first 820 # checksum first
531 if (1) { 821 if (1) {
532 $md5 = 822 $md5 =
533 join "\x00", 823 join "\x00",
534 $processversion, 824 $processversion,
535 map { 825 map {
536 Coro::cede; 826 cf::cede_to_tick;
537 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 827 ($src->[$_], Digest::MD5::md5_hex $data[$_])
538 } 0.. $#$src; 828 } 0.. $#$src;
539 829
540 830
541 my $dbmd5 = db_get cache => "$id/md5"; 831 my $dbmd5 = db_get cache => "$id/md5";
548 838
549 my $t1 = Time::HiRes::time; 839 my $t1 = Time::HiRes::time;
550 my $data = $process->(\@data); 840 my $data = $process->(\@data);
551 my $t2 = Time::HiRes::time; 841 my $t2 = Time::HiRes::time;
552 842
553 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 843 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554 844
555 db_put cache => "$id/data", $data; 845 db_put cache => "$id/data", $data;
556 db_put cache => "$id/md5" , $md5; 846 db_put cache => "$id/md5" , $md5;
557 db_put cache => "$id/meta", $meta; 847 db_put cache => "$id/meta", $meta;
558 848
568 858
569=cut 859=cut
570 860
571sub datalog($@) { 861sub datalog($@) {
572 my ($type, %kv) = @_; 862 my ($type, %kv) = @_;
573 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 863 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574} 864}
575 865
576=back 866=back
577 867
578=cut 868=cut
579 869
580############################################################################# 870#############################################################################
581 871
582=head2 ATTACHABLE OBJECTS 872=head2 ATTACHABLE OBJECTS
583 873
584Many 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
585attach callbacks/event handlers (a collection of which is called an "attachment") 875attach callbacks/event handlers (a collection of which is called an "attachment")
586to it. All such attachable objects support the following methods. 876to it. All such attachable objects support the following methods.
587 877
588In 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>
589C<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
590Crossfire TRT). 880Deliantra).
591 881
592=over 4 882=over 4
593 883
594=item $attachable->attach ($attachment, key => $value...) 884=item $attachable->attach ($attachment, key => $value...)
595 885
639=item cf::CLASS::attachment $name, ... 929=item cf::CLASS::attachment $name, ...
640 930
641Register an attachment by C<$name> through which attachable objects of the 931Register an attachment by C<$name> through which attachable objects of the
642given CLASS can refer to this attachment. 932given CLASS can refer to this attachment.
643 933
644Some classes such as crossfire maps and objects can specify attachments 934Some classes such as deliantra maps and objects can specify attachments
645that 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.
646 936
647These calls expect any number of the following handler/hook descriptions: 937These calls expect any number of the following handler/hook descriptions:
648 938
649=over 4 939=over 4
773 1063
774 } elsif (exists $cb_id{$type}) { 1064 } elsif (exists $cb_id{$type}) {
775 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1065 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776 1066
777 } elsif (ref $type) { 1067 } elsif (ref $type) {
778 warn "attaching objects not supported, ignoring.\n"; 1068 error "attaching objects not supported, ignoring.\n";
779 1069
780 } else { 1070 } else {
781 shift @arg; 1071 shift @arg;
782 warn "attach argument '$type' not supported, ignoring.\n"; 1072 error "attach argument '$type' not supported, ignoring.\n";
783 } 1073 }
784 } 1074 }
785} 1075}
786 1076
787sub _object_attach { 1077sub _object_attach {
797 _attach $registry, $klass, @attach; 1087 _attach $registry, $klass, @attach;
798 } 1088 }
799 1089
800 $obj->{$name} = \%arg; 1090 $obj->{$name} = \%arg;
801 } else { 1091 } else {
802 warn "object uses attachment '$name' which is not available, postponing.\n"; 1092 info "object uses attachment '$name' which is not available, postponing.\n";
803 } 1093 }
804 1094
805 $obj->{_attachment}{$name} = undef; 1095 $obj->{_attachment}{$name} = undef;
806} 1096}
807 1097
847 "; 1137 ";
848 die if $@; 1138 die if $@;
849} 1139}
850 1140
851our $override; 1141our $override;
852our @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?
853 1143
854sub override { 1144sub override {
855 $override = 1; 1145 $override = 1;
856 @invoke_results = (); 1146 @INVOKE_RESULTS = (@_);
857} 1147}
858 1148
859sub do_invoke { 1149sub do_invoke {
860 my $event = shift; 1150 my $event = shift;
861 my $callbacks = shift; 1151 my $callbacks = shift;
862 1152
863 @invoke_results = (); 1153 @INVOKE_RESULTS = ();
864 1154
865 local $override; 1155 local $override;
866 1156
867 for (@$callbacks) { 1157 for (@$callbacks) {
868 eval { &{$_->[1]} }; 1158 eval { &{$_->[1]} };
869 1159
870 if ($@) { 1160 if ($@) {
871 warn "$@";
872 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1161 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873 override; 1162 override;
874 } 1163 }
875 1164
876 return 1 if $override; 1165 return 1 if $override;
877 } 1166 }
878 1167
879 0 1168 0
880} 1169}
881 1170
882=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1171=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883 1172
884=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1173=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885 1174
886Generate an object-specific event with the given arguments. 1175Generate an object-specific event with the given arguments.
887 1176
888This 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
889removed 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
890results (if you must, access C<@cf::invoke_results> directly). 1179results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891 1180
892=back 1181=back
893 1182
894=cut 1183=cut
895 1184
896############################################################################# 1185#############################################################################
897# 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, $ob2
1228}
898 1229
899sub reattach { 1230sub reattach {
900 # basically do the same as instantiate, without calling instantiate 1231 # basically do the same as instantiate, without calling instantiate
901 my ($obj) = @_; 1232 my ($obj) = @_;
902 1233
1234 # no longer needed after getting rid of delete_package?
903 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
904 1236
905 my $registry = $obj->registry; 1237 my $registry = $obj->registry;
906 1238
907 @$registry = (); 1239 @$registry = ();
908 1240
913 for (@$attach) { 1245 for (@$attach) {
914 my ($klass, @attach) = @$_; 1246 my ($klass, @attach) = @$_;
915 _attach $registry, $klass, @attach; 1247 _attach $registry, $klass, @attach;
916 } 1248 }
917 } else { 1249 } else {
918 warn "object uses attachment '$name' that is not available, postponing.\n"; 1250 info "object uses attachment '$name' that is not available, postponing.\n";
919 } 1251 }
920 } 1252 }
921} 1253}
922 1254
923cf::attachable->attach ( 1255cf::attachable->attach (
924 prio => -1000000, 1256 prio => -1000000,
925 on_instantiate => sub { 1257 on_instantiate => sub {
926 my ($obj, $data) = @_; 1258 my ($obj, $data) = @_;
927 1259
928 $data = from_json $data; 1260 $data = decode_json $data;
929 1261
930 for (@$data) { 1262 for (@$data) {
931 my ($name, $args) = @$_; 1263 my ($name, $args) = @$_;
932 1264
933 $obj->attach ($name, %{$args || {} }); 1265 $obj->attach ($name, %{$args || {} });
949sub object_freezer_save { 1281sub object_freezer_save {
950 my ($filename, $rdata, $objs) = @_; 1282 my ($filename, $rdata, $objs) = @_;
951 1283
952 sync_job { 1284 sync_job {
953 if (length $$rdata) { 1285 if (length $$rdata) {
1286 utf8::decode (my $decname = $filename);
954 warn sprintf "saving %s (%d,%d)\n", 1287 trace sprintf "saving %s (%d,%d)\n",
955 $filename, length $$rdata, scalar @$objs; 1288 $decname, length $$rdata, scalar @$objs
1289 if $VERBOSE_IO;
956 1290
957 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1291 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1292 aio_chmod $fh, SAVE_MODE;
959 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1293 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960 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 }
961 close $fh; 1298 aio_close $fh;
962 1299
963 if (@$objs) { 1300 if (@$objs) {
964 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) {
965 chmod SAVE_MODE, $fh; 1302 aio_chmod $fh, SAVE_MODE;
966 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1303 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967 aio_write $fh, 0, (length $data), $data, 0; 1304 aio_write $fh, 0, (length $data), $data, 0;
968 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 }
969 close $fh; 1309 aio_close $fh;
970 aio_rename "$filename.pst~", "$filename.pst"; 1310 aio_rename "$filename.pst~", "$filename.pst";
971 } 1311 }
972 } else { 1312 } else {
973 aio_unlink "$filename.pst"; 1313 aio_unlink "$filename.pst";
974 } 1314 }
975 1315
976 aio_rename "$filename~", $filename; 1316 aio_rename "$filename~", $filename;
1317
1318 $filename =~ s%/[^/]+$%%;
1319 aio_pathsync $filename if $cf::USE_FSYNC;
977 } else { 1320 } else {
978 warn "FATAL: $filename~: $!\n"; 1321 error "unable to save objects: $filename~: $!\n";
979 } 1322 }
980 } else { 1323 } else {
981 aio_unlink $filename; 1324 aio_unlink $filename;
982 aio_unlink "$filename.pst"; 1325 aio_unlink "$filename.pst";
983 } 1326 }
984 } 1327 };
985} 1328}
986 1329
987sub object_freezer_as_string { 1330sub object_freezer_as_string {
988 my ($rdata, $objs) = @_; 1331 my ($rdata, $objs) = @_;
989 1332
1001 or return; 1344 or return;
1002 1345
1003 unless (aio_stat "$filename.pst") { 1346 unless (aio_stat "$filename.pst") {
1004 (aio_load "$filename.pst", $av) >= 0 1347 (aio_load "$filename.pst", $av) >= 0
1005 or return; 1348 or return;
1349
1006 $av = eval { (Storable::thaw $av)->{objs} }; 1350 my $st = eval { Coro::Storable::thaw $av };
1351 $av = $st->{objs};
1007 } 1352 }
1008 1353
1354 utf8::decode (my $decname = $filename);
1009 warn sprintf "loading %s (%d)\n", 1355 trace sprintf "loading %s (%d,%d)\n",
1010 $filename, length $data, scalar @{$av || []}; 1356 $decname, length $data, scalar @{$av || []}
1357 if $VERBOSE_IO;
1358
1011 return ($data, $av); 1359 ($data, $av)
1012} 1360}
1013 1361
1014=head2 COMMAND CALLBACKS 1362=head2 COMMAND CALLBACKS
1015 1363
1016=over 4 1364=over 4
1070 my ($name, $cb) = @_; 1418 my ($name, $cb) = @_;
1071 1419
1072 $EXTICMD{$name} = $cb; 1420 $EXTICMD{$name} = $cb;
1073} 1421}
1074 1422
1423use File::Glob ();
1424
1075cf::player->attach ( 1425cf::player->attach (
1076 on_command => sub { 1426 on_unknown_command => sub {
1077 my ($pl, $name, $params) = @_; 1427 my ($pl, $name, $params) = @_;
1078 1428
1079 my $cb = $COMMAND{$name} 1429 my $cb = $COMMAND{$name}
1080 or return; 1430 or return;
1081 1431
1089 my ($pl, $buf) = @_; 1439 my ($pl, $buf) = @_;
1090 1440
1091 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1441 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092 1442
1093 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
1094 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1451 if (my $cb = $EXTCMD{$type}) {
1095 if (my %reply = $cb->($pl, $msg)) { 1452 @reply = $cb->($pl, @payload);
1096 $pl->ext_reply ($msg->{msgid}, %reply);
1097 }
1098 } 1453 }
1454
1455 $pl->ext_reply ($reply, @reply)
1456 if $reply;
1457
1099 } else { 1458 } else {
1100 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1459 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101 } 1460 }
1102 1461
1103 cf::override; 1462 cf::override;
1104 }, 1463 },
1105); 1464);
1106 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
1107sub load_extensions { 1479sub load_extensions {
1480 info "loading extensions...";
1481
1108 cf::sync_job { 1482 cf::sync_job {
1109 my %todo; 1483 my %todo;
1110 1484
1111 for my $path (<$LIBDIR/*.ext>) { 1485 for my $path (<$LIBDIR/*.ext>) {
1112 next unless -r $path; 1486 next unless -r $path;
1130 1504
1131 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1505 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1506 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133 1507
1134 $ext{source} = 1508 $ext{source} =
1135 "package $pkg; use strict; use utf8;\n" 1509 "package $pkg; use common::sense;\n"
1136 . "#line 1 \"$path\"\n{\n" 1510 . "#line 1 \"$path\"\n{\n"
1137 . $source 1511 . $source
1138 . "\n};\n1"; 1512 . "\n};\n1";
1139 1513
1140 $todo{$base} = \%ext; 1514 $todo{$base} = \%ext;
1141 } 1515 }
1142 1516
1517 my $pass = 0;
1143 my %done; 1518 my %done;
1144 while (%todo) { 1519 while (%todo) {
1145 my $progress; 1520 my $progress;
1146 1521
1522 ++$pass;
1523
1524 ext:
1147 while (my ($k, $v) = each %todo) { 1525 while (my ($k, $v) = each %todo) {
1148 for (split /,\s*/, $v->{meta}{depends}) { 1526 for (split /,\s*/, $v->{meta}{depends}) {
1149 goto skip 1527 next ext
1150 unless exists $done{$_}; 1528 unless exists $done{$_};
1151 } 1529 }
1152 1530
1153 warn "... loading '$k' into '$v->{pkg}'\n"; 1531 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154 1532
1155 unless (eval $v->{source}) { 1533 my $active = eval $v->{source};
1534
1535 if (length $@) {
1156 my $msg = $@ ? "$v->{path}: $@\n" 1536 error "$v->{path}: $@\n";
1157 : "$v->{base}: extension inactive.\n";
1158 1537
1538 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159 if (exists $v->{meta}{mandatory}) { 1539 if exists $v->{meta}{mandatory};
1160 warn $msg; 1540
1161 warn "mandatory extension failed to load, exiting.\n"; 1541 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162 exit 1; 1542 delete $todo{$k};
1163 } 1543 } else {
1164 1544 $done{$k} = delete $todo{$k};
1165 warn $msg; 1545 push @EXTS, $v->{pkg};
1546 $progress = 1;
1547
1548 info "$v->{base}: extension inactive.\n"
1549 unless $active;
1166 } 1550 }
1167
1168 $done{$k} = delete $todo{$k};
1169 push @EXTS, $v->{pkg};
1170 $progress = 1;
1171 } 1551 }
1172 1552
1173 skip: 1553 unless ($progress) {
1174 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1554 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175 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
1561 last;
1562 }
1176 } 1563 }
1177 }; 1564 };
1178} 1565}
1179 1566
1180############################################################################# 1567#############################################################################
1181 1568
1182=back 1569=back
1183 1570
1184=head2 CORE EXTENSIONS 1571=head2 CORE EXTENSIONS
1185 1572
1186Functions and methods that extend core crossfire objects. 1573Functions and methods that extend core deliantra objects.
1187 1574
1188=cut 1575=cut
1189 1576
1190package cf::player; 1577package cf::player;
1191 1578
1192use Coro::AIO; 1579use Coro::AIO;
1193 1580
1194=head3 cf::player 1581=head3 cf::player
1195 1582
1196=over 4 1583=over 4
1584
1585=item cf::player::num_playing
1586
1587Returns the official number of playing players, as per the Crossfire metaserver rules.
1588
1589=cut
1590
1591sub num_playing {
1592 scalar grep
1593 $_->ob->map
1594 && !$_->hidden
1595 && !$_->ob->flag (cf::FLAG_WIZ),
1596 cf::player::list
1597}
1197 1598
1198=item cf::player::find $login 1599=item cf::player::find $login
1199 1600
1200Returns the given player object, loading it if necessary (might block). 1601Returns the given player object, loading it if necessary (might block).
1201 1602
1220 1621
1221sub exists($) { 1622sub exists($) {
1222 my ($login) = @_; 1623 my ($login) = @_;
1223 1624
1224 $cf::PLAYER{$login} 1625 $cf::PLAYER{$login}
1225 or cf::sync_job { !aio_stat path $login } 1626 or !aio_stat path $login
1226} 1627}
1227 1628
1228sub find($) { 1629sub find($) {
1229 return $cf::PLAYER{$_[0]} || do { 1630 return $cf::PLAYER{$_[0]} || do {
1230 my $login = $_[0]; 1631 my $login = $_[0];
1237 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1638 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1639 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1640 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240 aio_unlink +(playerdir $login) . "/$login.pl"; 1641 aio_unlink +(playerdir $login) . "/$login.pl";
1241 1642
1242 my $pl = load_pl path $login 1643 my $f = new_from_file cf::object::thawer path $login
1243 or return; 1644 or return;
1645
1646 my $pl = cf::player::load_pl $f
1647 or return;
1648
1649 local $cf::PLAYER_LOADING{$login} = $pl;
1650 $f->resolve_delayed_derefs;
1244 $cf::PLAYER{$login} = $pl 1651 $cf::PLAYER{$login} = $pl
1245 } 1652 }
1246 } 1653 }
1247} 1654}
1655
1656cf::player->attach (
1657 on_load => sub {
1658 my ($pl, $path) = @_;
1659
1660 # restore slots saved in save, below
1661 my $slots = delete $pl->{_slots};
1662
1663 $pl->ob->current_weapon ($slots->[0]);
1664 $pl->combat_ob ($slots->[1]);
1665 $pl->ranged_ob ($slots->[2]);
1666 },
1667);
1248 1668
1249sub save($) { 1669sub save($) {
1250 my ($pl) = @_; 1670 my ($pl) = @_;
1251 1671
1252 return if $pl->{deny_save}; 1672 return if $pl->{deny_save};
1257 return if $pl->{deny_save}; 1677 return if $pl->{deny_save};
1258 1678
1259 aio_mkdir playerdir $pl, 0770; 1679 aio_mkdir playerdir $pl, 0770;
1260 $pl->{last_save} = $cf::RUNTIME; 1680 $pl->{last_save} = $cf::RUNTIME;
1261 1681
1682 cf::get_slot 0.01;
1683
1684 # save slots, to be restored later
1685 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1686
1262 $pl->save_pl ($path); 1687 $pl->save_pl ($path);
1263 Coro::cede; 1688 cf::cede_to_tick;
1264} 1689}
1265 1690
1266sub new($) { 1691sub new($) {
1267 my ($login) = @_; 1692 my ($login) = @_;
1268 1693
1274 $cf::PLAYER{$login} = $self; 1699 $cf::PLAYER{$login} = $self;
1275 1700
1276 $self 1701 $self
1277} 1702}
1278 1703
1704=item $player->send_msg ($channel, $msg, $color, [extra...])
1705
1706=cut
1707
1708sub send_msg {
1709 my $ns = shift->ns
1710 or return;
1711 $ns->send_msg (@_);
1712}
1713
1279=item $pl->quit_character 1714=item $pl->quit_character
1280 1715
1281Nukes the player without looking back. If logged in, the connection will 1716Nukes the player without looking back. If logged in, the connection will
1282be destroyed. May block for a long time. 1717be destroyed. May block for a long time.
1283 1718
1287 my ($pl) = @_; 1722 my ($pl) = @_;
1288 1723
1289 my $name = $pl->ob->name; 1724 my $name = $pl->ob->name;
1290 1725
1291 $pl->{deny_save} = 1; 1726 $pl->{deny_save} = 1;
1292 $pl->password ("*"); # this should lock out the player until we nuked the dir 1727 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1293 1728
1294 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1729 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295 $pl->deactivate; 1730 $pl->deactivate;
1731
1732 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1733 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1734 ext::highscore::check ($pl->ob);
1735
1297 $pl->ns->destroy if $pl->ns; 1736 $pl->ns->destroy if $pl->ns;
1298 1737
1299 my $path = playerdir $pl; 1738 my $path = playerdir $pl;
1300 my $temp = "$path~$cf::RUNTIME~deleting~"; 1739 my $temp = "$path~$cf::RUNTIME~deleting~";
1301 aio_rename $path, $temp; 1740 aio_rename $path, $temp;
1336 or return []; 1775 or return [];
1337 1776
1338 my @logins; 1777 my @logins;
1339 1778
1340 for my $login (@$dirs) { 1779 for my $login (@$dirs) {
1780 my $path = path $login;
1781
1782 # a .pst is a dead give-away for a valid player
1783 # if no pst file found, open and chekc for blocked users
1784 if (aio_stat "$path.pst") {
1341 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1785 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342 aio_read $fh, 0, 512, my $buf, 0 or next; 1786 aio_read $fh, 0, 512, my $buf, 0 or next;
1343 $buf !~ /^password -------------$/m or next; # official not-valid tag 1787 $buf !~ /^password -------------$/m or next; # official not-valid tag
1788 }
1344 1789
1345 utf8::decode $login; 1790 utf8::decode $login;
1346 push @logins, $login; 1791 push @logins, $login;
1347 } 1792 }
1348 1793
1349 \@logins 1794 \@logins
1350} 1795}
1351 1796
1352=item $player->maps 1797=item $player->maps
1798
1799=item cf::player::maps $login
1353 1800
1354Returns an arrayref of map paths that are private for this 1801Returns an arrayref of map paths that are private for this
1355player. May block. 1802player. May block.
1356 1803
1357=cut 1804=cut
1375 } 1822 }
1376 1823
1377 \@paths 1824 \@paths
1378} 1825}
1379 1826
1380=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1827=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381 1828
1382Expand crossfire pod fragments into protocol xml. 1829Expand deliantra pod fragments into protocol xml.
1383 1830
1384=cut
1385
1386sub expand_cfpod {
1387 ((my $self), (local $_)) = @_;
1388
1389 # escape & and <
1390 s/&/&amp;/g;
1391 s/(?<![BIUGH])</&lt;/g;
1392
1393 # this is buggy, it needs to properly take care of nested <'s
1394
1395 1 while
1396 # replace B<>, I<>, U<> etc.
1397 s/B<([^\>]*)>/<b>$1<\/b>/
1398 || s/I<([^\>]*)>/<i>$1<\/i>/
1399 || s/U<([^\>]*)>/<u>$1<\/u>/
1400 # replace G<male|female> tags
1401 || s{G<([^>|]*)\|([^>]*)>}{
1402 $self->gender ? $2 : $1
1403 }ge
1404 # replace H<hint text>
1405 || s{H<([^\>]*)>}
1406 {
1407 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409 "")
1410 [$self->{hintmode}]
1411 }ge;
1412
1413 # create single paragraphs (very hackish)
1414 s/(?<=\S)\n(?=\w)/ /g;
1415
1416 # compress some whitespace
1417 1 while s/\s*\n\s*\n\s*/\n/;
1418
1419 $_
1420}
1421
1422sub hintmode {
1423 $_[0]{hintmode} = $_[1] if @_ > 1;
1424 $_[0]{hintmode}
1425}
1426
1427=item $player->ext_reply ($msgid, %msg) 1831=item $player->ext_reply ($msgid, @msg)
1428 1832
1429Sends an ext reply to the player. 1833Sends an ext reply to the player.
1430 1834
1431=cut 1835=cut
1432 1836
1433sub ext_reply($$%) { 1837sub ext_reply($$@) {
1434 my ($self, $id, %msg) = @_; 1838 my ($self, $id, @msg) = @_;
1435 1839
1436 $msg{msgid} = $id; 1840 $self->ns->ext_reply ($id, @msg)
1437 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438} 1841}
1439 1842
1440=item $player->ext_event ($type, %msg) 1843=item $player->ext_msg ($type, @msg)
1441 1844
1442Sends an ext event to the client. 1845Sends an ext event to the client.
1443 1846
1444=cut 1847=cut
1445 1848
1446sub ext_event($$%) { 1849sub ext_msg($$@) {
1447 my ($self, $type, %msg) = @_; 1850 my ($self, $type, @msg) = @_;
1448 1851
1449 $self->ns->ext_event ($type, %msg); 1852 $self->ns->ext_msg ($type, @msg);
1450} 1853}
1451 1854
1452=head3 cf::region 1855=head3 cf::region
1453 1856
1454=over 4 1857=over 4
1464=cut 1867=cut
1465 1868
1466sub find_by_path($) { 1869sub find_by_path($) {
1467 my ($path) = @_; 1870 my ($path) = @_;
1468 1871
1872 $path =~ s/^~[^\/]*//; # skip ~login
1873
1469 my ($match, $specificity); 1874 my ($match, $specificity);
1470 1875
1471 for my $region (list) { 1876 for my $region (list) {
1472 if ($region->match && $path =~ $region->match) { 1877 if ($region->{match} && $path =~ $region->{match}) {
1473 ($match, $specificity) = ($region, $region->specificity) 1878 ($match, $specificity) = ($region, $region->specificity)
1474 if $region->specificity > $specificity; 1879 if $region->specificity > $specificity;
1475 } 1880 }
1476 } 1881 }
1477 1882
1498our $MAX_RESET = 3600; 1903our $MAX_RESET = 3600;
1499our $DEFAULT_RESET = 3000; 1904our $DEFAULT_RESET = 3000;
1500 1905
1501sub generate_random_map { 1906sub generate_random_map {
1502 my ($self, $rmp) = @_; 1907 my ($self, $rmp) = @_;
1503 # mit "rum" bekleckern, nicht 1908
1909 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1910
1504 $self->_create_random_map ( 1911 $self->_create_random_map ($rmp);
1505 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1507 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508 $rmp->{exit_on_final_map},
1509 $rmp->{xsize}, $rmp->{ysize},
1510 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1512 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1513 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1514 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1515 (cf::region::find $rmp->{region}), $rmp->{custom}
1516 )
1517} 1912}
1518 1913
1519=item cf::map->register ($regex, $prio) 1914=item cf::map->register ($regex, $prio)
1520 1915
1521Register a handler for the map path matching the given regex at the 1916Register a handler for the map path matching the given regex at the
1526 1921
1527sub register { 1922sub register {
1528 my (undef, $regex, $prio) = @_; 1923 my (undef, $regex, $prio) = @_;
1529 my $pkg = caller; 1924 my $pkg = caller;
1530 1925
1531 no strict;
1532 push @{"$pkg\::ISA"}, __PACKAGE__; 1926 push @{"$pkg\::ISA"}, __PACKAGE__;
1533 1927
1534 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1928 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1535} 1929}
1536 1930
1537# also paths starting with '/' 1931# also paths starting with '/'
1538$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1932$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1539 1933
1540sub thawer_merge { 1934sub thawer_merge {
1541 my ($self, $merge) = @_; 1935 my ($self, $merge) = @_;
1542 1936
1543 # we have to keep some variables in memory intact 1937 # we have to keep some variables in memory intact
1548} 1942}
1549 1943
1550sub normalise { 1944sub normalise {
1551 my ($path, $base) = @_; 1945 my ($path, $base) = @_;
1552 1946
1553 $path = "$path"; # make sure its a string 1947 $path = "$path"; # make sure it's a string
1554 1948
1555 $path =~ s/\.map$//; 1949 $path =~ s/\.map$//;
1556 1950
1557 # map plan: 1951 # map plan:
1558 # 1952 #
1573 $base =~ s{[^/]+/?$}{}; 1967 $base =~ s{[^/]+/?$}{};
1574 $path = "$base/$path"; 1968 $path = "$base/$path";
1575 } 1969 }
1576 1970
1577 for ($path) { 1971 for ($path) {
1578 redo if s{//}{/};
1579 redo if s{/\.?/}{/}; 1972 redo if s{/\.?/}{/};
1580 redo if s{/[^/]+/\.\./}{/}; 1973 redo if s{/[^/]+/\.\./}{/};
1581 } 1974 }
1582 1975
1583 $path 1976 $path
1597 $self->init; # pass $1 etc. 1990 $self->init; # pass $1 etc.
1598 return $self; 1991 return $self;
1599 } 1992 }
1600 } 1993 }
1601 1994
1602 Carp::carp "unable to resolve path '$path' (base '$base')."; 1995 Carp::cluck "unable to resolve path '$path' (base '$base')";
1603 () 1996 ()
1604} 1997}
1605 1998
1999# may re-bless or do other evil things
1606sub init { 2000sub init {
1607 my ($self) = @_; 2001 my ($self) = @_;
1608 2002
1609 $self 2003 $self
1610} 2004}
1629 2023
1630# the temporary/swap location 2024# the temporary/swap location
1631sub save_path { 2025sub save_path {
1632 my ($self) = @_; 2026 my ($self) = @_;
1633 2027
1634 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2028 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635 "$TMPDIR/$path.map" 2029 "$TMPDIR/$path.map"
1636} 2030}
1637 2031
1638# the unique path, undef == no special unique path 2032# the unique path, undef == no special unique path
1639sub uniq_path { 2033sub uniq_path {
1640 my ($self) = @_; 2034 my ($self) = @_;
1641 2035
1642 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2036 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643 "$UNIQUEDIR/$path" 2037 "$UNIQUEDIR/$path"
1644}
1645
1646# and all this just because we cannot iterate over
1647# all maps in C++...
1648sub change_all_map_light {
1649 my ($change) = @_;
1650
1651 $_->change_map_light ($change)
1652 for grep $_->outdoor, values %cf::MAP;
1653} 2038}
1654 2039
1655sub decay_objects { 2040sub decay_objects {
1656 my ($self) = @_; 2041 my ($self) = @_;
1657 2042
1670 2055
1671sub load_header_from($) { 2056sub load_header_from($) {
1672 my ($self, $path) = @_; 2057 my ($self, $path) = @_;
1673 2058
1674 utf8::encode $path; 2059 utf8::encode $path;
1675 #aio_open $path, O_RDONLY, 0 2060 my $f = new_from_file cf::object::thawer $path
1676 # or return;
1677
1678 $self->_load_header ($path)
1679 or return; 2061 or return;
1680 2062
2063 $self->_load_header ($f)
2064 or return;
2065
2066 local $MAP_LOADING{$self->{path}} = $self;
2067 $f->resolve_delayed_derefs;
2068
1681 $self->{load_path} = $path; 2069 $self->{load_path} = $path;
1682 2070
1683 1 2071 1
1684} 2072}
1685 2073
2074# used to laod the header of an original map
1686sub load_header_orig { 2075sub load_header_orig {
1687 my ($self) = @_; 2076 my ($self) = @_;
1688 2077
1689 $self->load_header_from ($self->load_path) 2078 $self->load_header_from ($self->load_path)
1690} 2079}
1691 2080
2081# used to laod the header of an instantiated map
1692sub load_header_temp { 2082sub load_header_temp {
1693 my ($self) = @_; 2083 my ($self) = @_;
1694 2084
1695 $self->load_header_from ($self->save_path) 2085 $self->load_header_from ($self->save_path)
1696} 2086}
1697 2087
2088# called after loading the header from an instantiated map
1698sub prepare_temp { 2089sub prepare_temp {
1699 my ($self) = @_; 2090 my ($self) = @_;
1700 2091
1701 $self->last_access ((delete $self->{last_access}) 2092 $self->last_access ((delete $self->{last_access})
1702 || $cf::RUNTIME); #d# 2093 || $cf::RUNTIME); #d#
1703 # safety 2094 # safety
1704 $self->{instantiate_time} = $cf::RUNTIME 2095 $self->{instantiate_time} = $cf::RUNTIME
1705 if $self->{instantiate_time} > $cf::RUNTIME; 2096 if $self->{instantiate_time} > $cf::RUNTIME;
1706} 2097}
1707 2098
2099# called after loading the header from an original map
1708sub prepare_orig { 2100sub prepare_orig {
1709 my ($self) = @_; 2101 my ($self) = @_;
1710 2102
1711 $self->{load_original} = 1; 2103 $self->{load_original} = 1;
1712 $self->{instantiate_time} = $cf::RUNTIME; 2104 $self->{instantiate_time} = $cf::RUNTIME;
1736 2128
1737sub find; 2129sub find;
1738sub find { 2130sub find {
1739 my ($path, $origin) = @_; 2131 my ($path, $origin) = @_;
1740 2132
2133 cf::cede_to_tick;
2134
1741 $path = normalise $path, $origin && $origin->path; 2135 $path = normalise $path, $origin;
1742 2136
2137 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743 cf::lock_wait "map_find:$path"; 2138 my $guard2 = cf::lock_acquire "map_find:$path";
1744 2139
1745 $cf::MAP{$path} || do { 2140 $cf::MAP{$path} || do {
1746 my $guard = cf::lock_acquire "map_find:$path";
1747 my $map = new_from_path cf::map $path 2141 my $map = new_from_path cf::map $path
1748 or return; 2142 or return;
1749 2143
1750 $map->{last_save} = $cf::RUNTIME; 2144 $map->{last_save} = $cf::RUNTIME;
1751 2145
1753 or return; 2147 or return;
1754 2148
1755 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2149 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756 # doing this can freeze the server in a sync job, obviously 2150 # doing this can freeze the server in a sync job, obviously
1757 #$cf::WAIT_FOR_TICK->wait; 2151 #$cf::WAIT_FOR_TICK->wait;
2152 undef $guard2;
2153 undef $guard1;
1758 $map->reset; 2154 $map->reset;
1759 undef $guard;
1760 return find $path; 2155 return find $path;
1761 } 2156 }
1762 2157
1763 $cf::MAP{$path} = $map 2158 $cf::MAP{$path} = $map
1764 } 2159 }
1765} 2160}
1766 2161
1767sub pre_load { } 2162sub pre_load { }
1768sub post_load { } 2163#sub post_load { } # XS
1769 2164
1770sub load { 2165sub load {
1771 my ($self) = @_; 2166 my ($self) = @_;
1772 2167
1773 local $self->{deny_reset} = 1; # loading can take a long time 2168 local $self->{deny_reset} = 1; # loading can take a long time
1774 2169
1775 my $path = $self->{path}; 2170 my $path = $self->{path};
1776 2171
1777 { 2172 {
1778 my $guard = cf::lock_acquire "map_load:$path"; 2173 my $guard = cf::lock_acquire "map_data:$path";
1779 2174
2175 return unless $self->valid;
1780 return if $self->in_memory != cf::MAP_SWAPPED; 2176 return unless $self->in_memory == cf::MAP_SWAPPED;
1781 2177
1782 $self->in_memory (cf::MAP_LOADING); 2178 $self->in_memory (cf::MAP_LOADING);
1783 2179
1784 $self->alloc; 2180 $self->alloc;
1785 2181
1786 $self->pre_load; 2182 $self->pre_load;
1787 Coro::cede; 2183 cf::cede_to_tick;
1788 2184
1789 $self->_load_objects ($self->{load_path}, 1) 2185 if (exists $self->{load_path}) {
2186 my $f = new_from_file cf::object::thawer $self->{load_path};
2187 $f->skip_block;
2188 $self->_load_objects ($f)
1790 or return; 2189 or return;
1791 2190
1792 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2191 $self->post_load_original
1793 if delete $self->{load_original}; 2192 if delete $self->{load_original};
1794 2193
1795 if (my $uniq = $self->uniq_path) { 2194 if (my $uniq = $self->uniq_path) {
1796 utf8::encode $uniq; 2195 utf8::encode $uniq;
1797 if (aio_open $uniq, O_RDONLY, 0) { 2196 unless (aio_stat $uniq) {
2197 if (my $f = new_from_file cf::object::thawer $uniq) {
1798 $self->clear_unique_items; 2198 $self->clear_unique_items;
1799 $self->_load_objects ($uniq, 0); 2199 $self->_load_objects ($f);
2200 $f->resolve_delayed_derefs;
2201 }
2202 }
1800 } 2203 }
1801 }
1802 2204
1803 Coro::cede; 2205 $f->resolve_delayed_derefs;
2206 } else {
2207 $self->post_load_original
2208 if delete $self->{load_original};
2209 }
2210
2211 cf::cede_to_tick;
1804 # now do the right thing for maps 2212 # now do the right thing for maps
1805 $self->link_multipart_objects; 2213 $self->link_multipart_objects;
1806 $self->difficulty ($self->estimate_difficulty) 2214 $self->difficulty ($self->estimate_difficulty)
1807 unless $self->difficulty; 2215 unless $self->difficulty;
1808 Coro::cede; 2216 cf::cede_to_tick;
1809 2217
1810 unless ($self->{deny_activate}) { 2218 unless ($self->{deny_activate}) {
1811 $self->decay_objects; 2219 $self->decay_objects;
1812 $self->fix_auto_apply; 2220 $self->fix_auto_apply;
1813 $self->update_buttons; 2221 $self->update_buttons;
1814 Coro::cede; 2222 cf::cede_to_tick;
1815 $self->set_darkness_map;
1816 Coro::cede;
1817 $self->activate; 2223 $self->activate;
1818 } 2224 }
1819 2225
2226 $self->{last_save} = $cf::RUNTIME;
2227 $self->last_access ($cf::RUNTIME);
2228
1820 $self->in_memory (cf::MAP_IN_MEMORY); 2229 $self->in_memory (cf::MAP_ACTIVE);
1821 } 2230 }
1822 2231
1823 $self->post_load; 2232 $self->post_load;
1824}
1825 2233
2234 1
2235}
2236
2237# customize the map for a given player, i.e.
2238# return the _real_ map. used by e.g. per-player
2239# maps to change the path to ~playername/mappath
1826sub customise_for { 2240sub customise_for {
1827 my ($self, $ob) = @_; 2241 my ($self, $ob) = @_;
1828 2242
1829 return find "~" . $ob->name . "/" . $self->{path} 2243 return find "~" . $ob->name . "/" . $self->{path}
1830 if $self->per_player; 2244 if $self->per_player;
1834 2248
1835 $self 2249 $self
1836} 2250}
1837 2251
1838# find and load all maps in the 3x3 area around a map 2252# find and load all maps in the 3x3 area around a map
1839sub load_diag { 2253sub load_neighbours {
1840 my ($map) = @_; 2254 my ($map) = @_;
1841 2255
1842 my @diag; # diagonal neighbours 2256 my @neigh; # diagonal neighbours
1843 2257
1844 for (0 .. 3) { 2258 for (0 .. 3) {
1845 my $neigh = $map->tile_path ($_) 2259 my $neigh = $map->tile_path ($_)
1846 or next; 2260 or next;
1847 $neigh = find $neigh, $map 2261 $neigh = find $neigh, $map
1848 or next; 2262 or next;
1849 $neigh->load; 2263 $neigh->load;
1850 2264
2265 # now find the diagonal neighbours
2266 push @neigh,
1851 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2267 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1852 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2268 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1853 } 2269 }
1854 2270
1855 for (@diag) { 2271 for (grep defined $_->[0], @neigh) {
2272 my ($path, $origin) = @$_;
1856 my $neigh = find @$_ 2273 my $neigh = find $path, $origin
1857 or next; 2274 or next;
1858 $neigh->load; 2275 $neigh->load;
1859 } 2276 }
1860} 2277}
1861 2278
1862sub find_sync { 2279sub find_sync {
1863 my ($path, $origin) = @_; 2280 my ($path, $origin) = @_;
1864 2281
1865 cf::sync_job { find $path, $origin } 2282 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2283 if $Coro::current == $Coro::main;
2284
2285 find $path, $origin
1866} 2286}
1867 2287
1868sub do_load_sync { 2288sub do_load_sync {
1869 my ($map) = @_; 2289 my ($map) = @_;
1870 2290
1871 cf::sync_job { $map->load }; 2291 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2292 if $Coro::current == $Coro::main;
2293
2294 $map->load;
1872} 2295}
1873 2296
1874our %MAP_PREFETCH; 2297our %MAP_PREFETCH;
1875our $MAP_PREFETCHER = undef; 2298our $MAP_PREFETCHER = undef;
1876 2299
1877sub find_async { 2300sub find_async {
1878 my ($path, $origin) = @_; 2301 my ($path, $origin, $load) = @_;
1879 2302
1880 $path = normalise $path, $origin && $origin->{path}; 2303 $path = normalise $path, $origin;
1881 2304
1882 if (my $map = $cf::MAP{$path}) { 2305 if (my $map = $cf::MAP{$path}) {
1883 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2306 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1884 } 2307 }
1885 2308
1886 undef $MAP_PREFETCH{$path}; 2309 $MAP_PREFETCH{$path} |= $load;
2310
1887 $MAP_PREFETCHER ||= cf::async { 2311 $MAP_PREFETCHER ||= cf::async {
2312 $Coro::current->{desc} = "map prefetcher";
2313
1888 while (%MAP_PREFETCH) { 2314 while (%MAP_PREFETCH) {
1889 for my $path (keys %MAP_PREFETCH) { 2315 while (my ($k, $v) = each %MAP_PREFETCH) {
1890 my $map = find $path 2316 if (my $map = find $k) {
1891 or next;
1892 $map->load; 2317 $map->load if $v;
2318 }
1893 2319
1894 delete $MAP_PREFETCH{$path}; 2320 delete $MAP_PREFETCH{$k};
1895 } 2321 }
1896 } 2322 }
1897 undef $MAP_PREFETCHER; 2323 undef $MAP_PREFETCHER;
1898 }; 2324 };
1899 $MAP_PREFETCHER->prio (6); 2325 $MAP_PREFETCHER->prio (6);
1900 2326
1901 () 2327 ()
1902} 2328}
1903 2329
2330# common code, used by both ->save and ->swapout
1904sub save { 2331sub _save {
1905 my ($self) = @_; 2332 my ($self) = @_;
1906
1907 my $lock = cf::lock_acquire "map_data:" . $self->path;
1908 2333
1909 $self->{last_save} = $cf::RUNTIME; 2334 $self->{last_save} = $cf::RUNTIME;
1910 2335
1911 return unless $self->dirty; 2336 return unless $self->dirty;
1912 2337
1918 return if $self->{deny_save}; 2343 return if $self->{deny_save};
1919 2344
1920 local $self->{last_access} = $self->last_access;#d# 2345 local $self->{last_access} = $self->last_access;#d#
1921 2346
1922 cf::async { 2347 cf::async {
2348 $Coro::current->{desc} = "map player save";
1923 $_->contr->save for $self->players; 2349 $_->contr->save for $self->players;
1924 }; 2350 };
2351
2352 cf::get_slot 0.02;
1925 2353
1926 if ($uniq) { 2354 if ($uniq) {
1927 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2355 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2356 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1929 } else { 2357 } else {
1930 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2358 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931 } 2359 }
1932} 2360}
1933 2361
2362sub save {
2363 my ($self) = @_;
2364
2365 my $lock = cf::lock_acquire "map_data:$self->{path}";
2366
2367 $self->_save;
2368}
2369
1934sub swap_out { 2370sub swap_out {
1935 my ($self) = @_; 2371 my ($self) = @_;
1936 2372
1937 # save first because save cedes
1938 $self->save;
1939
1940 my $lock = cf::lock_acquire "map_data:" . $self->path; 2373 my $lock = cf::lock_acquire "map_data:$self->{path}";
1941 2374
2375 return if $self->in_memory != cf::MAP_ACTIVE;
2376 return if $self->{deny_save};
1942 return if $self->players; 2377 return if $self->players;
1943 return if $self->in_memory != cf::MAP_IN_MEMORY;
1944 return if $self->{deny_save};
1945 2378
2379 # first deactivate the map and "unlink" it from the core
2380 $self->deactivate;
2381 $_->clear_links_to ($self) for values %cf::MAP;
2382 $self->in_memory (cf::MAP_SWAPPED);
2383
2384 # then atomically save
2385 $self->_save;
2386
2387 # then free the map
1946 $self->clear; 2388 $self->clear;
1947 $self->in_memory (cf::MAP_SWAPPED);
1948} 2389}
1949 2390
1950sub reset_at { 2391sub reset_at {
1951 my ($self) = @_; 2392 my ($self) = @_;
1952 2393
1970 2411
1971 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2412 my $lock = cf::lock_acquire "map_data:$self->{path}";
1972 2413
1973 return if $self->players; 2414 return if $self->players;
1974 2415
1975 warn "resetting map ", $self->path; 2416 cf::trace "resetting map ", $self->path, "\n";
1976 2417
1977 $self->in_memory (cf::MAP_SWAPPED); 2418 $self->in_memory (cf::MAP_SWAPPED);
1978 2419
1979 # need to save uniques path 2420 # need to save uniques path
1980 unless ($self->{deny_save}) { 2421 unless ($self->{deny_save}) {
1984 if $uniq; 2425 if $uniq;
1985 } 2426 }
1986 2427
1987 delete $cf::MAP{$self->path}; 2428 delete $cf::MAP{$self->path};
1988 2429
2430 $self->deactivate;
2431 $_->clear_links_to ($self) for values %cf::MAP;
1989 $self->clear; 2432 $self->clear;
1990
1991 $_->clear_links_to ($self) for values %cf::MAP;
1992 2433
1993 $self->unlink_save; 2434 $self->unlink_save;
1994 $self->destroy; 2435 $self->destroy;
1995} 2436}
1996 2437
1997my $nuke_counter = "aaaa"; 2438my $nuke_counter = "aaaa";
1998 2439
1999sub nuke { 2440sub nuke {
2000 my ($self) = @_; 2441 my ($self) = @_;
2001 2442
2443 {
2444 my $lock = cf::lock_acquire "map_data:$self->{path}";
2445
2002 delete $cf::MAP{$self->path}; 2446 delete $cf::MAP{$self->path};
2003 2447
2004 $self->unlink_save; 2448 $self->unlink_save;
2005 2449
2006 bless $self, "cf::map"; 2450 bless $self, "cf::map::wrap";
2007 delete $self->{deny_reset}; 2451 delete $self->{deny_reset};
2008 $self->{deny_save} = 1; 2452 $self->{deny_save} = 1;
2009 $self->reset_timeout (1); 2453 $self->reset_timeout (1);
2010 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2454 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011 2455
2012 $cf::MAP{$self->path} = $self; 2456 $cf::MAP{$self->path} = $self;
2457 }
2013 2458
2014 $self->reset; # polite request, might not happen 2459 $self->reset; # polite request, might not happen
2015} 2460}
2016 2461
2017=item $maps = cf::map::tmp_maps 2462=item $maps = cf::map::tmp_maps
2059 2504
2060sub unique_maps() { 2505sub unique_maps() {
2061 [ 2506 [
2062 map { 2507 map {
2063 utf8::decode $_; 2508 utf8::decode $_;
2064 /\.map$/ 2509 s/\.map$//; # TODO future compatibility hack
2510 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2511 ? ()
2065 ? normalise $_ 2512 : normalise $_
2066 : ()
2067 } @{ aio_readdir $UNIQUEDIR or [] } 2513 } @{ aio_readdir $UNIQUEDIR or [] }
2068 ] 2514 ]
2069} 2515}
2070 2516
2071package cf; 2517=item cf::map::static_maps
2518
2519Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2520file in the shared directory excluding F</styles> and F</editor>). May
2521block.
2522
2523=cut
2524
2525sub static_maps() {
2526 my @dirs = "";
2527 my @maps;
2528
2529 while (@dirs) {
2530 my $dir = shift @dirs;
2531
2532 next if $dir eq "/styles" || $dir eq "/editor";
2533
2534 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2535 or return;
2536
2537 for (@$files) {
2538 s/\.map$// or next;
2539 utf8::decode $_;
2540 push @maps, "$dir/$_";
2541 }
2542
2543 push @dirs, map "$dir/$_", @$dirs;
2544 }
2545
2546 \@maps
2547}
2072 2548
2073=back 2549=back
2074 2550
2075=head3 cf::object 2551=head3 cf::object
2076 2552
2080 2556
2081=over 4 2557=over 4
2082 2558
2083=item $ob->inv_recursive 2559=item $ob->inv_recursive
2084 2560
2085Returns the inventory of the object _and_ their inventories, recursively. 2561Returns the inventory of the object I<and> their inventories, recursively,
2562but I<not> the object itself.
2086 2563
2087=cut 2564=cut
2088 2565
2089sub inv_recursive_; 2566sub inv_recursive_;
2090sub inv_recursive_ { 2567sub inv_recursive_ {
2093 2570
2094sub inv_recursive { 2571sub inv_recursive {
2095 inv_recursive_ inv $_[0] 2572 inv_recursive_ inv $_[0]
2096} 2573}
2097 2574
2575=item $ref = $ob->ref
2576
2577Creates and returns a persistent reference to an object that can be stored as a string.
2578
2579=item $ob = cf::object::deref ($refstring)
2580
2581returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2582even if the object actually exists. May block.
2583
2584=cut
2585
2586sub deref {
2587 my ($ref) = @_;
2588
2589 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2590 my ($uuid, $name) = ($1, $2);
2591 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2592 or return;
2593 $pl->ob->uuid eq $uuid
2594 or return;
2595
2596 $pl->ob
2597 } else {
2598 warn "$ref: cannot resolve object reference\n";
2599 undef
2600 }
2601}
2602
2098package cf; 2603package cf;
2099 2604
2100=back 2605=back
2101 2606
2102=head3 cf::object::player 2607=head3 cf::object::player
2108Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2613Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2109can be C<undef>. Does the right thing when the player is currently in a 2614can be C<undef>. Does the right thing when the player is currently in a
2110dialogue with the given NPC character. 2615dialogue with the given NPC character.
2111 2616
2112=cut 2617=cut
2618
2619our $SAY_CHANNEL = {
2620 id => "say",
2621 title => "Map",
2622 reply => "say ",
2623 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2624};
2625
2626our $CHAT_CHANNEL = {
2627 id => "chat",
2628 title => "Chat",
2629 reply => "chat ",
2630 tooltip => "Player chat and shouts, global to the server.",
2631};
2113 2632
2114# rough implementation of a future "reply" method that works 2633# rough implementation of a future "reply" method that works
2115# with dialog boxes. 2634# with dialog boxes.
2116#TODO: the first argument must go, split into a $npc->reply_to ( method 2635#TODO: the first argument must go, split into a $npc->reply_to ( method
2117sub cf::object::player::reply($$$;$) { 2636sub cf::object::player::reply($$$;$) {
2124 2643
2125 } else { 2644 } else {
2126 my $pl = $self->contr; 2645 my $pl = $self->contr;
2127 2646
2128 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2647 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129 my $diag = $pl->{npc_dialog}; 2648 my $dialog = $pl->{npc_dialog};
2130 $diag->{pl}->ext_reply ( 2649 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131 $diag->{id},
2132 msgtype => "reply",
2133 msg => $diag->{pl}->expand_cfpod ($msg),
2134 add_topics => []
2135 );
2136 2650
2137 } else { 2651 } else {
2138 $msg = $npc->name . " says: $msg" if $npc; 2652 $msg = $npc->name . " says: $msg" if $npc;
2139 $self->message ($msg, $flags); 2653 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140 } 2654 }
2141 } 2655 }
2656}
2657
2658=item $object->send_msg ($channel, $msg, $color, [extra...])
2659
2660=cut
2661
2662sub cf::object::send_msg {
2663 my $pl = shift->contr
2664 or return;
2665 $pl->send_msg (@_);
2142} 2666}
2143 2667
2144=item $player_object->may ("access") 2668=item $player_object->may ("access")
2145 2669
2146Returns wether the given player is authorized to access resource "access" 2670Returns wether the given player is authorized to access resource "access"
2159 2683
2160=item $player_object->enter_link 2684=item $player_object->enter_link
2161 2685
2162Freezes the player and moves him/her to a special map (C<{link}>). 2686Freezes the player and moves him/her to a special map (C<{link}>).
2163 2687
2164The player should be reasonably safe there for short amounts of time. You 2688The player should be reasonably safe there for short amounts of time (e.g.
2165I<MUST> call C<leave_link> as soon as possible, though. 2689for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2690though, as the player cannot control the character while it is on the link
2691map.
2166 2692
2167Will never block. 2693Will never block.
2168 2694
2169=item $player_object->leave_link ($map, $x, $y) 2695=item $player_object->leave_link ($map, $x, $y)
2170 2696
2190sub cf::object::player::enter_link { 2716sub cf::object::player::enter_link {
2191 my ($self) = @_; 2717 my ($self) = @_;
2192 2718
2193 $self->deactivate_recursive; 2719 $self->deactivate_recursive;
2194 2720
2721 ++$self->{_link_recursion};
2722
2195 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2723 return if UNIVERSAL::isa $self->map, "ext::map_link";
2196 2724
2197 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2725 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2198 if $self->map && $self->map->{path} ne "{link}"; 2726 if $self->map && $self->map->{path} ne "{link}";
2199 2727
2200 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2728 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2201} 2729}
2202 2730
2203sub cf::object::player::leave_link { 2731sub cf::object::player::leave_link {
2204 my ($self, $map, $x, $y) = @_; 2732 my ($self, $map, $x, $y) = @_;
2205 2733
2222 ($x, $y) = (-1, -1) 2750 ($x, $y) = (-1, -1)
2223 unless (defined $x) && (defined $y); 2751 unless (defined $x) && (defined $y);
2224 2752
2225 # use -1 or undef as default coordinates, not 0, 0 2753 # use -1 or undef as default coordinates, not 0, 0
2226 ($x, $y) = ($map->enter_x, $map->enter_y) 2754 ($x, $y) = ($map->enter_x, $map->enter_y)
2227 if $x <=0 && $y <= 0; 2755 if $x <= 0 && $y <= 0;
2228 2756
2229 $map->load; 2757 $map->load;
2230 $map->load_diag; 2758 $map->load_neighbours;
2231 2759
2232 return unless $self->contr->active; 2760 return unless $self->contr->active;
2233 $self->activate_recursive;
2234 2761
2235 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2762 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236 $self->enter_map ($map, $x, $y); 2763 if ($self->enter_map ($map, $x, $y)) {
2237} 2764 # entering was successful
2765 delete $self->{_link_recursion};
2766 # only activate afterwards, to support waiting in hooks
2767 $self->activate_recursive;
2768 }
2238 2769
2770}
2771
2239=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2772=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2240 2773
2241Moves the player to the given map-path and coordinates by first freezing 2774Moves the player to the given map-path and coordinates by first freezing
2242her, loading and preparing them map, calling the provided $check callback 2775her, loading and preparing them map, calling the provided $check callback
2243that has to return the map if sucecssful, and then unfreezes the player on 2776that has to return the map if sucecssful, and then unfreezes the player on
2244the new (success) or old (failed) map position. 2777the new (success) or old (failed) map position. In either case, $done will
2778be called at the end of this process.
2779
2780Note that $check will be called with a potentially non-loaded map, so if
2781it needs a loaded map it has to call C<< ->load >>.
2245 2782
2246=cut 2783=cut
2247 2784
2248our $GOTOGEN; 2785our $GOTOGEN;
2249 2786
2250sub cf::object::player::goto { 2787sub cf::object::player::goto {
2251 my ($self, $path, $x, $y, $check) = @_; 2788 my ($self, $path, $x, $y, $check, $done) = @_;
2789
2790 if ($self->{_link_recursion} >= $MAX_LINKS) {
2791 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2792 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2793 ($path, $x, $y) = @$EMERGENCY_POSITION;
2794 }
2252 2795
2253 # do generation counting so two concurrent goto's will be executed in-order 2796 # do generation counting so two concurrent goto's will be executed in-order
2254 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2797 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255 2798
2256 $self->enter_link; 2799 $self->enter_link;
2257 2800
2258 (async { 2801 (async {
2802 $Coro::current->{desc} = "player::goto $path $x $y";
2803
2804 # *tag paths override both path and x|y
2805 if ($path =~ /^\*(.*)$/) {
2806 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2807 my $ob = $obs[rand @obs];
2808
2809 # see if we actually can go there
2810 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2811 $ob = $obs[rand @obs];
2812 } else {
2813 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2814 }
2815 # else put us there anyways for now #d#
2816
2817 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2818 } else {
2819 ($path, $x, $y) = (undef, undef, undef);
2820 }
2821 }
2822
2259 my $map = eval { 2823 my $map = eval {
2260 my $map = cf::map::find $path; 2824 my $map = defined $path ? cf::map::find $path, $self->map : undef;
2261 2825
2262 if ($map) { 2826 if ($map) {
2263 $map = $map->customise_for ($self); 2827 $map = $map->customise_for ($self);
2264 $map = $check->($map) if $check && $map; 2828 $map = $check->($map, $x, $y, $self) if $check && $map;
2265 } else { 2829 } else {
2266 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2830 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267 } 2831 }
2268 2832
2269 $map 2833 $map
2270 }; 2834 };
2271 2835
2276 2840
2277 if ($gen == $self->{_goto_generation}) { 2841 if ($gen == $self->{_goto_generation}) {
2278 delete $self->{_goto_generation}; 2842 delete $self->{_goto_generation};
2279 $self->leave_link ($map, $x, $y); 2843 $self->leave_link ($map, $x, $y);
2280 } 2844 }
2845
2846 $done->($self) if $done;
2281 })->prio (1); 2847 })->prio (1);
2282} 2848}
2283 2849
2284=item $player_object->enter_exit ($exit_object) 2850=item $player_object->enter_exit ($exit_object)
2285 2851
2305} 2871}
2306 2872
2307sub prepare_random_map { 2873sub prepare_random_map {
2308 my ($exit) = @_; 2874 my ($exit) = @_;
2309 2875
2310 my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312 # all this does is basically replace the /! path by 2876 # all this does is basically replace the /! path by
2313 # a new random map path (?random/...) with a seed 2877 # a new random map path (?random/...) with a seed
2314 # that depends on the exit object 2878 # that depends on the exit object
2315 2879
2316 my $rmp = parse_random_map_params $exit->msg; 2880 my $rmp = parse_random_map_params $exit->msg;
2318 if ($exit->map) { 2882 if ($exit->map) {
2319 $rmp->{region} = $exit->region->name; 2883 $rmp->{region} = $exit->region->name;
2320 $rmp->{origin_map} = $exit->map->path; 2884 $rmp->{origin_map} = $exit->map->path;
2321 $rmp->{origin_x} = $exit->x; 2885 $rmp->{origin_x} = $exit->x;
2322 $rmp->{origin_y} = $exit->y; 2886 $rmp->{origin_y} = $exit->y;
2887
2888 $exit->map->touch;
2323 } 2889 }
2324 2890
2325 $rmp->{random_seed} ||= $exit->random_seed; 2891 $rmp->{random_seed} ||= $exit->random_seed;
2326 2892
2327 my $data = cf::to_json $rmp; 2893 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328 my $md5 = Digest::MD5::md5_hex $data; 2894 my $md5 = Digest::MD5::md5_hex $data;
2329 my $meta = "$RANDOMDIR/$md5.meta"; 2895 my $meta = "$RANDOMDIR/$md5.meta";
2330 2896
2331 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2897 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332 aio_write $fh, 0, (length $data), $data, 0; 2898 aio_write $fh, 0, (length $data), $data, 0;
2333 undef $fh; 2899 undef $fh;
2334 aio_rename "$meta~", $meta; 2900 aio_rename "$meta~", $meta;
2335 2901
2902 my $slaying = "?random/$md5";
2903
2904 if ($exit->valid) {
2336 $exit->slaying ("?random/$md5"); 2905 $exit->slaying ("?random/$md5");
2337 $exit->msg (undef); 2906 $exit->msg (undef);
2907 }
2338 } 2908 }
2339} 2909}
2340 2910
2341sub cf::object::player::enter_exit { 2911sub cf::object::player::enter_exit {
2342 my ($self, $exit) = @_; 2912 my ($self, $exit) = @_;
2343 2913
2344 return unless $self->type == cf::PLAYER; 2914 return unless $self->type == cf::PLAYER;
2345 2915
2346 if ($exit->slaying eq "/!") {
2347 #TODO: this should de-fi-ni-te-ly not be a sync-job
2348 # the problem is that $exit might not survive long enough
2349 # so it needs to be done right now, right here
2350 cf::sync_job { prepare_random_map $exit };
2351 }
2352
2353 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354 my $hp = $exit->stats->hp;
2355 my $sp = $exit->stats->sp;
2356
2357 $self->enter_link; 2916 $self->enter_link;
2358 2917
2359 (async { 2918 (async {
2360 $self->deactivate_recursive; # just to be sure 2919 $Coro::current->{desc} = "enter_exit";
2920
2361 unless (eval { 2921 unless (eval {
2922 $self->deactivate_recursive; # just to be sure
2923
2924 my $map = cf::map::normalise $exit->slaying, $exit->map;
2925 my $x = $exit->stats->hp;
2926 my $y = $exit->stats->sp;
2927
2928 # special map handling
2929 my $slaying = $exit->slaying;
2930
2931 # special map handling
2932 if ($slaying eq "/!") {
2933 my $guard = cf::lock_acquire "exit_prepare:$exit";
2934
2935 prepare_random_map $exit
2936 if $slaying eq "/!"; # need to re-check after getting the lock
2937
2938 } elsif ($slaying eq '!up') {
2939 $map = $exit->map->tile_path (cf::TILE_UP);
2940 $x = $exit->x;
2941 $y = $exit->y;
2942
2943 } elsif ($slaying eq '!down') {
2944 $map = $exit->map->tile_path (cf::TILE_DOWN);
2945 $x = $exit->x;
2946 $y = $exit->y;
2947 }
2948
2362 $self->goto ($slaying, $hp, $sp); 2949 $self->goto ($map, $x, $y);
2363 2950
2951 # if exit is damned, update players death & WoR home-position
2952 $self->contr->savebed ($map, $x, $y)
2953 if $exit->flag (cf::FLAG_DAMNED);
2954
2364 1; 2955 1
2365 }) { 2956 }) {
2366 $self->message ("Something went wrong deep within the crossfire server. " 2957 $self->message ("Something went wrong deep within the deliantra server. "
2367 . "I'll try to bring you back to the map you were before. " 2958 . "I'll try to bring you back to the map you were before. "
2368 . "Please report this to the dungeon master!", 2959 . "Please report this to the dungeon master!",
2369 cf::NDI_UNIQUE | cf::NDI_RED); 2960 cf::NDI_UNIQUE | cf::NDI_RED);
2370 2961
2371 warn "ERROR in enter_exit: $@"; 2962 error "ERROR in enter_exit: $@";
2372 $self->leave_link; 2963 $self->leave_link;
2373 } 2964 }
2374 })->prio (1); 2965 })->prio (1);
2375} 2966}
2376 2967
2390 2981
2391 utf8::encode $text; 2982 utf8::encode $text;
2392 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2983 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2393} 2984}
2394 2985
2986=item $client->send_big_packet ($pkt)
2987
2988Like C<send_packet>, but tries to compress large packets, and fragments
2989them as required.
2990
2991=cut
2992
2993our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2994
2995sub cf::client::send_big_packet {
2996 my ($self, $pkt) = @_;
2997
2998 # try lzf for large packets
2999 $pkt = "lzf " . Compress::LZF::compress $pkt
3000 if 1024 <= length $pkt and $self->{can_lzf};
3001
3002 # split very large packets
3003 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
3004 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
3005 $pkt = "frag";
3006 }
3007
3008 $self->send_packet ($pkt);
3009}
3010
2395=item $client->send_msg ($color, $type, $msg, [extra...]) 3011=item $client->send_msg ($channel, $msg, $color, [extra...])
2396 3012
2397Send a drawinfo or msg packet to the client, formatting the msg for the 3013Send a drawinfo or msg packet to the client, formatting the msg for the
2398client if neccessary. C<$type> should be a string identifying the type of 3014client if neccessary. C<$type> should be a string identifying the type of
2399the message, with C<log> being the default. If C<$color> is negative, suppress 3015the message, with C<log> being the default. If C<$color> is negative, suppress
2400the message unless the client supports the msg packet. 3016the message unless the client supports the msg packet.
2401 3017
2402=cut 3018=cut
2403 3019
3020# non-persistent channels (usually the info channel)
3021our %CHANNEL = (
3022 "c/motd" => {
3023 id => "infobox",
3024 title => "MOTD",
3025 reply => undef,
3026 tooltip => "The message of the day",
3027 },
3028 "c/identify" => {
3029 id => "infobox",
3030 title => "Identify",
3031 reply => undef,
3032 tooltip => "Items recently identified",
3033 },
3034 "c/examine" => {
3035 id => "infobox",
3036 title => "Examine",
3037 reply => undef,
3038 tooltip => "Signs and other items you examined",
3039 },
3040 "c/shopinfo" => {
3041 id => "infobox",
3042 title => "Shop Info",
3043 reply => undef,
3044 tooltip => "What your bargaining skill tells you about the shop",
3045 },
3046 "c/book" => {
3047 id => "infobox",
3048 title => "Book",
3049 reply => undef,
3050 tooltip => "The contents of a note or book",
3051 },
3052 "c/lookat" => {
3053 id => "infobox",
3054 title => "Look",
3055 reply => undef,
3056 tooltip => "What you saw there",
3057 },
3058 "c/who" => {
3059 id => "infobox",
3060 title => "Players",
3061 reply => undef,
3062 tooltip => "Shows players who are currently online",
3063 },
3064 "c/body" => {
3065 id => "infobox",
3066 title => "Body Parts",
3067 reply => undef,
3068 tooltip => "Shows which body parts you posess and are available",
3069 },
3070 "c/statistics" => {
3071 id => "infobox",
3072 title => "Statistics",
3073 reply => undef,
3074 tooltip => "Shows your primary statistics",
3075 },
3076 "c/skills" => {
3077 id => "infobox",
3078 title => "Skills",
3079 reply => undef,
3080 tooltip => "Shows your experience per skill and item power",
3081 },
3082 "c/shopitems" => {
3083 id => "infobox",
3084 title => "Shop Items",
3085 reply => undef,
3086 tooltip => "Shows the items currently for sale in this shop",
3087 },
3088 "c/resistances" => {
3089 id => "infobox",
3090 title => "Resistances",
3091 reply => undef,
3092 tooltip => "Shows your resistances",
3093 },
3094 "c/pets" => {
3095 id => "infobox",
3096 title => "Pets",
3097 reply => undef,
3098 tooltip => "Shows information abotu your pets/a specific pet",
3099 },
3100 "c/perceiveself" => {
3101 id => "infobox",
3102 title => "Perceive Self",
3103 reply => undef,
3104 tooltip => "You gained detailed knowledge about yourself",
3105 },
3106 "c/uptime" => {
3107 id => "infobox",
3108 title => "Uptime",
3109 reply => undef,
3110 tooltip => "How long the server has been running since last restart",
3111 },
3112 "c/mapinfo" => {
3113 id => "infobox",
3114 title => "Map Info",
3115 reply => undef,
3116 tooltip => "Information related to the maps",
3117 },
3118 "c/party" => {
3119 id => "party",
3120 title => "Party",
3121 reply => "gsay ",
3122 tooltip => "Messages and chat related to your party",
3123 },
3124 "c/death" => {
3125 id => "death",
3126 title => "Death",
3127 reply => undef,
3128 tooltip => "Reason for and more info about your most recent death",
3129 },
3130 "c/say" => $SAY_CHANNEL,
3131 "c/chat" => $CHAT_CHANNEL,
3132);
3133
2404sub cf::client::send_msg { 3134sub cf::client::send_msg {
2405 my ($self, $color, $type, $msg, @extra) = @_; 3135 my ($self, $channel, $msg, $color, @extra) = @_;
2406 3136
2407 $msg = $self->pl->expand_cfpod ($msg); 3137 $msg = $self->pl->expand_cfpod ($msg)
3138 unless $color & cf::NDI_VERBATIM;
2408 3139
2409 if ($self->can_msg) { 3140 $color &= cf::NDI_CLIENT_MASK; # just in case...
2410 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411 } else {
2412 # replace some tags by gcfclient-compatible ones
2413 for ($msg) {
2414 1 while
2415 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420 }
2421 3141
2422 if ($color >= 0) { 3142 # check predefined channels, for the benefit of C
2423 if (0 && $msg =~ /\[/) { 3143 if ($CHANNEL{$channel}) {
2424 $self->send_packet ("drawextinfo $color 4 0 $msg") 3144 $channel = $CHANNEL{$channel};
2425 } else { 3145
2426 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 3146 $self->ext_msg (channel_info => $channel);
2427 $self->send_packet ("drawinfo $color $msg") 3147 $channel = $channel->{id};
3148
3149 } elsif (ref $channel) {
3150 # send meta info to client, if not yet sent
3151 unless (exists $self->{channel}{$channel->{id}}) {
3152 $self->{channel}{$channel->{id}} = $channel;
3153 $self->ext_msg (channel_info => $channel);
2428 } 3154 }
2429 }
2430 }
2431}
2432 3155
3156 $channel = $channel->{id};
3157 }
3158
3159 return unless @extra || length $msg;
3160
3161 # default colour, mask it out
3162 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3163 if $color & cf::NDI_DEF;
3164
3165 my $pkt = "msg "
3166 . $self->{json_coder}->encode (
3167 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3168 );
3169
3170 $self->send_big_packet ($pkt);
3171}
3172
2433=item $client->ext_event ($type, %msg) 3173=item $client->ext_msg ($type, @msg)
2434 3174
2435Sends an ext event to the client. 3175Sends an ext event to the client.
2436 3176
2437=cut 3177=cut
2438 3178
2439sub cf::client::ext_event($$%) { 3179sub cf::client::ext_msg($$@) {
2440 my ($self, $type, %msg) = @_; 3180 my ($self, $type, @msg) = @_;
2441 3181
3182 if ($self->extcmd == 2) {
3183 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3184 } elsif ($self->extcmd == 1) { # TODO: remove
2442 $msg{msgtype} = "event_$type"; 3185 push @msg, msgtype => "event_$type";
2443 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3186 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3187 }
3188}
3189
3190=item $client->ext_reply ($msgid, @msg)
3191
3192Sends an ext reply to the client.
3193
3194=cut
3195
3196sub cf::client::ext_reply($$@) {
3197 my ($self, $id, @msg) = @_;
3198
3199 if ($self->extcmd == 2) {
3200 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3201 } elsif ($self->extcmd == 1) {
3202 #TODO: version 1, remove
3203 unshift @msg, msgtype => "reply", msgid => $id;
3204 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3205 }
2444} 3206}
2445 3207
2446=item $success = $client->query ($flags, "text", \&cb) 3208=item $success = $client->query ($flags, "text", \&cb)
2447 3209
2448Queues a query to the client, calling the given callback with 3210Queues a query to the client, calling the given callback with
2503 my ($ns, $buf) = @_; 3265 my ($ns, $buf) = @_;
2504 3266
2505 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3267 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506 3268
2507 if (ref $msg) { 3269 if (ref $msg) {
3270 my ($type, $reply, @payload) =
3271 "ARRAY" eq ref $msg
3272 ? @$msg
3273 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3274
3275 my @reply;
3276
2508 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3277 if (my $cb = $EXTICMD{$type}) {
2509 if (my %reply = $cb->($ns, $msg)) { 3278 @reply = $cb->($ns, @payload);
2510 $reply{msgid} = $msg->{msgid};
2511 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512 }
2513 } 3279 }
3280
3281 $ns->ext_reply ($reply, @reply)
3282 if $reply;
3283
2514 } else { 3284 } else {
2515 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3285 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516 } 3286 }
2517 3287
2518 cf::override; 3288 cf::override;
2519 }, 3289 },
2520); 3290);
2540 3310
2541 $coro 3311 $coro
2542} 3312}
2543 3313
2544cf::client->attach ( 3314cf::client->attach (
2545 on_destroy => sub { 3315 on_client_destroy => sub {
2546 my ($ns) = @_; 3316 my ($ns) = @_;
2547 3317
2548 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3318 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549 }, 3319 },
2550); 3320);
2565our $safe = new Safe "safe"; 3335our $safe = new Safe "safe";
2566our $safe_hole = new Safe::Hole; 3336our $safe_hole = new Safe::Hole;
2567 3337
2568$SIG{FPE} = 'IGNORE'; 3338$SIG{FPE} = 'IGNORE';
2569 3339
2570$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3340$safe->permit_only (Opcode::opset qw(
3341 :base_core :base_mem :base_orig :base_math :base_loop
3342 grepstart grepwhile mapstart mapwhile
3343 sort time
3344));
2571 3345
2572# here we export the classes and methods available to script code 3346# here we export the classes and methods available to script code
2573 3347
2574=pod 3348=pod
2575 3349
2576The following functions and methods are available within a safe environment: 3350The following functions and methods are available within a safe environment:
2577 3351
2578 cf::object contr pay_amount pay_player map 3352 cf::object
3353 contr pay_amount pay_player map x y force_find force_add destroy
3354 insert remove name archname title slaying race decrease split
3355 value
3356
2579 cf::object::player player 3357 cf::object::player
2580 cf::player peaceful 3358 player
2581 cf::map trigger 3359
3360 cf::player
3361 peaceful
3362
3363 cf::map
3364 trigger
2582 3365
2583=cut 3366=cut
2584 3367
2585for ( 3368for (
2586 ["cf::object" => qw(contr pay_amount pay_player map)], 3369 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3370 insert remove inv nrof name archname title slaying race
3371 decrease split destroy change_exp value msg lore send_msg)],
2587 ["cf::object::player" => qw(player)], 3372 ["cf::object::player" => qw(player)],
2588 ["cf::player" => qw(peaceful)], 3373 ["cf::player" => qw(peaceful send_msg)],
2589 ["cf::map" => qw(trigger)], 3374 ["cf::map" => qw(trigger)],
2590) { 3375) {
2591 no strict 'refs';
2592 my ($pkg, @funs) = @$_; 3376 my ($pkg, @funs) = @$_;
2593 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3377 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2594 for @funs; 3378 for @funs;
2595} 3379}
2596 3380
2611 3395
2612 my $qcode = $code; 3396 my $qcode = $code;
2613 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3397 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2614 $qcode =~ s/\n/\\n/g; 3398 $qcode =~ s/\n/\\n/g;
2615 3399
3400 %vars = (_dummy => 0) unless %vars;
3401
3402 my @res;
2616 local $_; 3403 local $_;
2617 local @safe::cf::_safe_eval_args = values %vars;
2618 3404
2619 my $eval = 3405 my $eval =
2620 "do {\n" 3406 "do {\n"
2621 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3407 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622 . "#line 0 \"{$qcode}\"\n" 3408 . "#line 0 \"{$qcode}\"\n"
2623 . $code 3409 . $code
2624 . "\n}" 3410 . "\n}"
2625 ; 3411 ;
2626 3412
3413 if ($CFG{safe_eval}) {
2627 sub_generation_inc; 3414 sub_generation_inc;
3415 local @safe::cf::_safe_eval_args = values %vars;
2628 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3416 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629 sub_generation_inc; 3417 sub_generation_inc;
3418 } else {
3419 local @cf::_safe_eval_args = values %vars;
3420 @res = wantarray ? eval eval : scalar eval $eval;
3421 }
2630 3422
2631 if ($@) { 3423 if ($@) {
2632 warn "$@"; 3424 warn "$@",
2633 warn "while executing safe code '$code'\n"; 3425 "while executing safe code '$code'\n",
2634 warn "with arguments " . (join " ", %vars) . "\n"; 3426 "with arguments " . (join " ", %vars) . "\n";
2635 } 3427 }
2636 3428
2637 wantarray ? @res : $res[0] 3429 wantarray ? @res : $res[0]
2638} 3430}
2639 3431
2653=cut 3445=cut
2654 3446
2655sub register_script_function { 3447sub register_script_function {
2656 my ($fun, $cb) = @_; 3448 my ($fun, $cb) = @_;
2657 3449
2658 no strict 'refs'; 3450 $fun = "safe::$fun" if $CFG{safe_eval};
2659 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3451 *$fun = $safe_hole->wrap ($cb);
2660} 3452}
2661 3453
2662=back 3454=back
2663 3455
2664=cut 3456=cut
2667# the server's init and main functions 3459# the server's init and main functions
2668 3460
2669sub load_facedata($) { 3461sub load_facedata($) {
2670 my ($path) = @_; 3462 my ($path) = @_;
2671 3463
3464 # HACK to clear player env face cache, we need some signal framework
3465 # for this (global event?)
3466 %ext::player_env::MUSIC_FACE_CACHE = ();
3467
3468 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3469
2672 warn "loading facedata from $path\n"; 3470 trace "loading facedata from $path\n";
2673 3471
2674 my $facedata; 3472 my $facedata = decode_storable load_file $path;
2675 0 < aio_load $path, $facedata
2676 or die "$path: $!";
2677
2678 $facedata = Coro::Storable::thaw $facedata;
2679 3473
2680 $facedata->{version} == 2 3474 $facedata->{version} == 2
2681 or cf::cleanup "$path: version mismatch, cannot proceed."; 3475 or cf::cleanup "$path: version mismatch, cannot proceed.";
2682 3476
3477 # patch in the exptable
3478 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3479 $facedata->{resource}{"res/exp_table"} = {
3480 type => FT_RSRC,
3481 data => $exp_table,
3482 hash => (Digest::MD5::md5 $exp_table),
3483 };
3484 cf::cede_to_tick;
3485
2683 { 3486 {
2684 my $faces = $facedata->{faceinfo}; 3487 my $faces = $facedata->{faceinfo};
2685 3488
2686 while (my ($face, $info) = each %$faces) { 3489 while (my ($face, $info) = each %$faces) {
2687 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3490 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3491
2688 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3492 cf::face::set_visibility $idx, $info->{visibility};
3493 cf::face::set_magicmap $idx, $info->{magicmap};
2689 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3494 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3495 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691 Coro::cede; 3496 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3497
3498 cf::cede_to_tick;
2692 } 3499 }
2693 3500
2694 while (my ($face, $info) = each %$faces) { 3501 while (my ($face, $info) = each %$faces) {
2695 next unless $info->{smooth}; 3502 next unless $info->{smooth};
3503
2696 my $idx = cf::face::find $face 3504 my $idx = cf::face::find $face
2697 or next; 3505 or next;
3506
2698 if (my $smooth = cf::face::find $info->{smooth}) { 3507 if (my $smooth = cf::face::find $info->{smooth}) {
3508 cf::face::set_smooth $idx, $smooth;
2699 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3509 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700 } else { 3510 } else {
2701 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3511 error "smooth face '$info->{smooth}' not found for face '$face'";
2702 } 3512 }
2703 Coro::cede; 3513
3514 cf::cede_to_tick;
2704 } 3515 }
2705 } 3516 }
2706 3517
2707 { 3518 {
2708 my $anims = $facedata->{animinfo}; 3519 my $anims = $facedata->{animinfo};
2709 3520
2710 while (my ($anim, $info) = each %$anims) { 3521 while (my ($anim, $info) = each %$anims) {
2711 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3522 cf::anim::set $anim, $info->{frames}, $info->{facings};
2712 Coro::cede; 3523 cf::cede_to_tick;
2713 } 3524 }
2714 3525
2715 cf::anim::invalidate_all; # d'oh 3526 cf::anim::invalidate_all; # d'oh
2716 } 3527 }
2717 3528
3529 {
3530 my $res = $facedata->{resource};
3531
3532 while (my ($name, $info) = each %$res) {
3533 if (defined $info->{type}) {
3534 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3535
3536 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3537 cf::face::set_type $idx, $info->{type};
3538 } else {
3539 $RESOURCE{$name} = $info; # unused
3540 }
3541
3542 cf::cede_to_tick;
3543 }
3544 }
3545
3546 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3547
2718 1 3548 1
2719} 3549}
2720 3550
3551register_exticmd fx_want => sub {
3552 my ($ns, $want) = @_;
3553
3554 while (my ($k, $v) = each %$want) {
3555 $ns->fx_want ($k, $v);
3556 }
3557};
3558
3559sub load_resource_file($) {
3560 my $guard = lock_acquire "load_resource_file";
3561
3562 my $status = load_resource_file_ $_[0];
3563 get_slot 0.1, 100;
3564 cf::arch::commit_load;
3565
3566 $status
3567}
3568
2721sub reload_regions { 3569sub reload_regions {
3570 # HACK to clear player env face cache, we need some signal framework
3571 # for this (global event?)
3572 %ext::player_env::MUSIC_FACE_CACHE = ();
3573
2722 load_resource_file "$MAPDIR/regions" 3574 load_resource_file "$MAPDIR/regions"
2723 or die "unable to load regions file\n"; 3575 or die "unable to load regions file\n";
3576
3577 for (cf::region::list) {
3578 $_->{match} = qr/$_->{match}/
3579 if exists $_->{match};
3580 }
2724} 3581}
2725 3582
2726sub reload_facedata { 3583sub reload_facedata {
2727 load_facedata "$DATADIR/facedata" 3584 load_facedata "$DATADIR/facedata"
2728 or die "unable to load facedata\n"; 3585 or die "unable to load facedata\n";
2729} 3586}
2730 3587
2731sub reload_archetypes { 3588sub reload_archetypes {
2732 load_resource_file "$DATADIR/archetypes" 3589 load_resource_file "$DATADIR/archetypes"
2733 or die "unable to load archetypes\n"; 3590 or die "unable to load archetypes\n";
2734 #d# NEED to laod twice to resolve forward references
2735 # this really needs to be done in an extra post-pass
2736 # (which needs to be synchronous, so solve it differently)
2737 load_resource_file "$DATADIR/archetypes"
2738 or die "unable to load archetypes\n";
2739} 3591}
2740 3592
2741sub reload_treasures { 3593sub reload_treasures {
2742 load_resource_file "$DATADIR/treasures" 3594 load_resource_file "$DATADIR/treasures"
2743 or die "unable to load treasurelists\n"; 3595 or die "unable to load treasurelists\n";
2744} 3596}
2745 3597
3598sub reload_sound {
3599 trace "loading sound config from $DATADIR/sound\n";
3600
3601 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3602
3603 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3604 my $sound = $soundconf->{compat}[$_]
3605 or next;
3606
3607 my $face = cf::face::find "sound/$sound->[1]";
3608 cf::sound::set $sound->[0] => $face;
3609 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3610 }
3611
3612 while (my ($k, $v) = each %{$soundconf->{event}}) {
3613 my $face = cf::face::find "sound/$v";
3614 cf::sound::set $k => $face;
3615 }
3616}
3617
2746sub reload_resources { 3618sub reload_resources {
2747 warn "reloading resource files...\n"; 3619 trace "reloading resource files...\n";
2748 3620
3621 reload_exp_table;
3622 reload_materials;
3623 reload_facedata;
3624 reload_sound;
3625 reload_archetypes;
2749 reload_regions; 3626 reload_regions;
2750 reload_facedata;
2751 #reload_archetypes;#d#
2752 reload_archetypes;
2753 reload_treasures; 3627 reload_treasures;
2754 3628
2755 warn "finished reloading resource files\n"; 3629 trace "finished reloading resource files\n";
2756} 3630}
2757 3631
2758sub init { 3632sub reload_config {
2759 reload_resources; 3633 trace "reloading config file...\n";
2760}
2761 3634
2762sub cfg_load { 3635 my $config = load_file "$CONFDIR/config";
2763 open my $fh, "<:utf8", "$CONFDIR/config" 3636 utf8::decode $config;
2764 or return; 3637 *CFG = decode_yaml $config;
2765 3638
2766 local $/;
2767 *CFG = YAML::Syck::Load <$fh>;
2768
2769 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3639 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2770 3640
2771 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3641 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3642 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2773 3643
2774 if (exists $CFG{mlockall}) { 3644 if (exists $CFG{mlockall}) {
2778 }; 3648 };
2779 warn $@ if $@; 3649 warn $@ if $@;
2780 } 3650 }
2781} 3651}
2782 3652
3653sub pidfile() {
3654 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3655 or die "$PIDFILE: $!";
3656 flock $fh, &Fcntl::LOCK_EX
3657 or die "$PIDFILE: flock: $!";
3658 $fh
3659}
3660
3661# make sure only one server instance is running at any one time
3662sub atomic {
3663 my $fh = pidfile;
3664
3665 my $pid = <$fh>;
3666 kill 9, $pid if $pid > 0;
3667
3668 seek $fh, 0, 0;
3669 print $fh $$;
3670}
3671
3672sub main_loop {
3673 trace "EV::loop starting\n";
3674 if (1) {
3675 EV::loop;
3676 }
3677 trace "EV::loop returned\n";
3678 goto &main_loop unless $REALLY_UNLOOP;
3679}
3680
2783sub main { 3681sub main {
3682 cf::init_globals; # initialise logging
3683
3684 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3685 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3686 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3687 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3688
3689 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3690
2784 # we must not ever block the main coroutine 3691 # we must not ever block the main coroutine
2785 local $Coro::idle = sub { 3692 local $Coro::idle = sub {
2786 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3693 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787 (async { 3694 (async {
2788 Event::one_event; 3695 $Coro::current->{desc} = "IDLE BUG HANDLER";
3696 EV::loop EV::LOOP_ONESHOT;
2789 })->prio (Coro::PRIO_MAX); 3697 })->prio (Coro::PRIO_MAX);
2790 }; 3698 };
2791 3699
2792 cfg_load; 3700 evthread_start IO::AIO::poll_fileno;
3701
3702 cf::sync_job {
3703 cf::incloader::init ();
3704
3705 cf::init_anim;
3706 cf::init_attackmess;
3707 cf::init_dynamic;
3708
3709 cf::load_settings;
3710
3711 reload_resources;
3712 reload_config;
2793 db_init; 3713 db_init;
3714
3715 cf::init_uuid;
3716 cf::init_signals;
3717 cf::init_skills;
3718
3719 cf::init_beforeplay;
3720
3721 atomic;
3722
2794 load_extensions; 3723 load_extensions;
2795 3724
2796 $TICK_WATCHER->start; 3725 utime time, time, $RUNTIMEFILE;
2797 Event::loop; 3726
3727 # no (long-running) fork's whatsoever before this point(!)
3728 use POSIX ();
3729 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3730
3731 cf::_post_init 0;
3732 };
3733
3734 cf::object::thawer::errors_are_fatal 0;
3735 info "parse errors in files are no longer fatal from this point on.\n";
3736
3737 my $free_main; $free_main = EV::idle sub {
3738 undef $free_main;
3739 undef &main; # free gobs of memory :)
3740 };
3741
3742 goto &main_loop;
2798} 3743}
2799 3744
2800############################################################################# 3745#############################################################################
2801# initialisation and cleanup 3746# initialisation and cleanup
2802 3747
2803# install some emergency cleanup handlers 3748# install some emergency cleanup handlers
2804BEGIN { 3749BEGIN {
3750 our %SIGWATCHER = ();
2805 for my $signal (qw(INT HUP TERM)) { 3751 for my $signal (qw(INT HUP TERM)) {
2806 Event->signal ( 3752 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2807 reentrant => 0,
2808 data => WF_AUTOCANCEL,
2809 signal => $signal,
2810 prio => 0,
2811 cb => sub {
2812 cf::cleanup "SIG$signal"; 3753 cf::cleanup "SIG$signal";
2813 },
2814 ); 3754 };
2815 } 3755 }
2816} 3756}
2817 3757
2818sub write_runtime { 3758sub write_runtime_sync {
2819 my $runtime = "$LOCALDIR/runtime"; 3759 my $t0 = AE::time;
2820 3760
2821 # first touch the runtime file to show we are still running: 3761 # first touch the runtime file to show we are still running:
2822 # the fsync below can take a very very long time. 3762 # the fsync below can take a very very long time.
2823 3763
2824 IO::AIO::aio_utime $runtime, undef, undef; 3764 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825 3765
2826 my $guard = cf::lock_acquire "write_runtime"; 3766 my $guard = cf::lock_acquire "write_runtime";
2827 3767
2828 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3768 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829 or return; 3769 or return;
2830 3770
2831 my $value = $cf::RUNTIME + 90 + 10; 3771 my $value = $cf::RUNTIME + 90 + 10;
2832 # 10 is the runtime save interval, for a monotonic clock 3772 # 10 is the runtime save interval, for a monotonic clock
2833 # 60 allows for the watchdog to kill the server. 3773 # 60 allows for the watchdog to kill the server.
2843 aio_utime $fh, undef, undef; 3783 aio_utime $fh, undef, undef;
2844 3784
2845 close $fh 3785 close $fh
2846 or return; 3786 or return;
2847 3787
2848 aio_rename "$runtime~", $runtime 3788 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849 and return; 3789 and return;
2850 3790
2851 warn "runtime file written.\n"; 3791 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852 3792
2853 1 3793 1
3794}
3795
3796our $uuid_lock;
3797our $uuid_skip;
3798
3799sub write_uuid_sync($) {
3800 $uuid_skip ||= $_[0];
3801
3802 return if $uuid_lock;
3803 local $uuid_lock = 1;
3804
3805 my $uuid = "$LOCALDIR/uuid";
3806
3807 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3808 or return;
3809
3810 my $value = uuid_seq uuid_cur;
3811
3812 unless ($value) {
3813 info "cowardly refusing to write zero uuid value!\n";
3814 return;
3815 }
3816
3817 my $value = uuid_str $value + $uuid_skip;
3818 $uuid_skip = 0;
3819
3820 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3821 and return;
3822
3823 # always fsync - this file is important
3824 aio_fsync $fh
3825 and return;
3826
3827 close $fh
3828 or return;
3829
3830 aio_rename "$uuid~", $uuid
3831 and return;
3832
3833 trace "uuid file written ($value).\n";
3834
3835 1
3836
3837}
3838
3839sub write_uuid($$) {
3840 my ($skip, $sync) = @_;
3841
3842 $sync ? write_uuid_sync $skip
3843 : async { write_uuid_sync $skip };
2854} 3844}
2855 3845
2856sub emergency_save() { 3846sub emergency_save() {
2857 my $freeze_guard = cf::freeze_mainloop; 3847 my $freeze_guard = cf::freeze_mainloop;
2858 3848
2859 warn "enter emergency perl save\n"; 3849 info "emergency_perl_save: enter\n";
3850
3851 # this is a trade-off: we want to be very quick here, so
3852 # save all maps without fsync, and later call a global sync
3853 # (which in turn might be very very slow)
3854 local $USE_FSYNC = 0;
2860 3855
2861 cf::sync_job { 3856 cf::sync_job {
3857 cf::write_runtime_sync; # external watchdog should not bark
3858
2862 # use a peculiar iteration method to avoid tripping on perl 3859 # use a peculiar iteration method to avoid tripping on perl
2863 # refcount bugs in for. also avoids problems with players 3860 # refcount bugs in for. also avoids problems with players
2864 # and maps saved/destroyed asynchronously. 3861 # and maps saved/destroyed asynchronously.
2865 warn "begin emergency player save\n"; 3862 info "emergency_perl_save: begin player save\n";
2866 for my $login (keys %cf::PLAYER) { 3863 for my $login (keys %cf::PLAYER) {
2867 my $pl = $cf::PLAYER{$login} or next; 3864 my $pl = $cf::PLAYER{$login} or next;
2868 $pl->valid or next; 3865 $pl->valid or next;
3866 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869 $pl->save; 3867 $pl->save;
2870 } 3868 }
2871 warn "end emergency player save\n"; 3869 info "emergency_perl_save: end player save\n";
2872 3870
2873 warn "begin emergency map save\n"; 3871 cf::write_runtime_sync; # external watchdog should not bark
3872
3873 info "emergency_perl_save: begin map save\n";
2874 for my $path (keys %cf::MAP) { 3874 for my $path (keys %cf::MAP) {
2875 my $map = $cf::MAP{$path} or next; 3875 my $map = $cf::MAP{$path} or next;
2876 $map->valid or next; 3876 $map->valid or next;
2877 $map->save; 3877 $map->save;
2878 } 3878 }
2879 warn "end emergency map save\n"; 3879 info "emergency_perl_save: end map save\n";
2880 3880
2881 warn "begin emergency database checkpoint\n"; 3881 cf::write_runtime_sync; # external watchdog should not bark
3882
3883 info "emergency_perl_save: begin database checkpoint\n";
2882 BDB::db_env_txn_checkpoint $DB_ENV; 3884 BDB::db_env_txn_checkpoint $DB_ENV;
2883 warn "end emergency database checkpoint\n"; 3885 info "emergency_perl_save: end database checkpoint\n";
3886
3887 info "emergency_perl_save: begin write uuid\n";
3888 write_uuid_sync 1;
3889 info "emergency_perl_save: end write uuid\n";
3890
3891 cf::write_runtime_sync; # external watchdog should not bark
3892
3893 trace "emergency_perl_save: syncing database to disk";
3894 BDB::db_env_txn_checkpoint $DB_ENV;
3895
3896 info "emergency_perl_save: starting sync\n";
3897 IO::AIO::aio_sync sub {
3898 info "emergency_perl_save: finished sync\n";
3899 };
3900
3901 cf::write_runtime_sync; # external watchdog should not bark
3902
3903 trace "emergency_perl_save: flushing outstanding aio requests";
3904 while (IO::AIO::nreqs || BDB::nreqs) {
3905 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3906 }
3907
3908 cf::write_runtime_sync; # external watchdog should not bark
2884 }; 3909 };
2885 3910
2886 warn "leave emergency perl save\n"; 3911 info "emergency_perl_save: leave\n";
2887} 3912}
2888 3913
2889sub post_cleanup { 3914sub post_cleanup {
2890 my ($make_core) = @_; 3915 my ($make_core) = @_;
2891 3916
3917 IO::AIO::flush;
3918
2892 warn Carp::longmess "post_cleanup backtrace" 3919 error Carp::longmess "post_cleanup backtrace"
2893 if $make_core; 3920 if $make_core;
3921
3922 my $fh = pidfile;
3923 unlink $PIDFILE if <$fh> == $$;
3924}
3925
3926# a safer delete_package, copied from Symbol
3927sub clear_package($) {
3928 my $pkg = shift;
3929
3930 # expand to full symbol table name if needed
3931 unless ($pkg =~ /^main::.*::$/) {
3932 $pkg = "main$pkg" if $pkg =~ /^::/;
3933 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3934 $pkg .= '::' unless $pkg =~ /::$/;
3935 }
3936
3937 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3938 my $stem_symtab = *{$stem}{HASH};
3939
3940 defined $stem_symtab and exists $stem_symtab->{$leaf}
3941 or return;
3942
3943 # clear all symbols
3944 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3945 for my $name (keys %$leaf_symtab) {
3946 _gv_clear *{"$pkg$name"};
3947# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3948 }
2894} 3949}
2895 3950
2896sub do_reload_perl() { 3951sub do_reload_perl() {
2897 # can/must only be called in main 3952 # can/must only be called in main
2898 if ($Coro::current != $Coro::main) { 3953 unless (in_main) {
2899 warn "can only reload from main coroutine"; 3954 error "can only reload from main coroutine";
2900 return; 3955 return;
2901 } 3956 }
2902 3957
2903 warn "reloading..."; 3958 return if $RELOAD++;
2904 3959
2905 warn "entering sync_job"; 3960 my $t1 = AE::time;
2906 3961
3962 while ($RELOAD) {
3963 cf::get_slot 0.1, -1, "reload_perl";
3964 info "perl_reload: reloading...";
3965
3966 trace "perl_reload: entering sync_job";
3967
2907 cf::sync_job { 3968 cf::sync_job {
2908 cf::write_runtime; # external watchdog should not bark
2909 cf::emergency_save; 3969 #cf::emergency_save;
2910 cf::write_runtime; # external watchdog should not bark
2911 3970
2912 warn "syncing database to disk";
2913 BDB::db_env_txn_checkpoint $DB_ENV;
2914
2915 # if anything goes wrong in here, we should simply crash as we already saved
2916
2917 warn "cancelling all WF_AUTOCANCEL watchers";
2918 for (Event::all_watchers) {
2919 $_->cancel if $_->data & WF_AUTOCANCEL;
2920 }
2921
2922 warn "flushing outstanding aio requests";
2923 for (;;) {
2924 BDB::flush;
2925 IO::AIO::flush;
2926 Coro::cede;
2927 last unless IO::AIO::nreqs || BDB::nreqs;
2928 warn "iterate...";
2929 }
2930
2931 ++$RELOAD;
2932
2933 warn "cancelling all extension coros"; 3971 trace "perl_reload: cancelling all extension coros";
2934 $_->cancel for values %EXT_CORO; 3972 $_->cancel for values %EXT_CORO;
2935 %EXT_CORO = (); 3973 %EXT_CORO = ();
2936 3974
2937 warn "removing commands"; 3975 trace "perl_reload: removing commands";
2938 %COMMAND = (); 3976 %COMMAND = ();
2939 3977
2940 warn "removing ext/exti commands"; 3978 trace "perl_reload: removing ext/exti commands";
2941 %EXTCMD = (); 3979 %EXTCMD = ();
2942 %EXTICMD = (); 3980 %EXTICMD = ();
2943 3981
2944 warn "unloading/nuking all extensions"; 3982 trace "perl_reload: unloading/nuking all extensions";
2945 for my $pkg (@EXTS) { 3983 for my $pkg (@EXTS) {
2946 warn "... unloading $pkg"; 3984 trace "... unloading $pkg";
2947 3985
2948 if (my $cb = $pkg->can ("unload")) { 3986 if (my $cb = $pkg->can ("unload")) {
2949 eval { 3987 eval {
2950 $cb->($pkg); 3988 $cb->($pkg);
2951 1 3989 1
2952 } or warn "$pkg unloaded, but with errors: $@"; 3990 } or error "$pkg unloaded, but with errors: $@";
3991 }
3992
3993 trace "... clearing $pkg";
3994 clear_package $pkg;
2953 } 3995 }
2954 3996
2955 warn "... nuking $pkg";
2956 Symbol::delete_package $pkg;
2957 }
2958
2959 warn "unloading all perl modules loaded from $LIBDIR"; 3997 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2960 while (my ($k, $v) = each %INC) { 3998 while (my ($k, $v) = each %INC) {
2961 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3999 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962 4000
2963 warn "... unloading $k"; 4001 trace "... unloading $k";
2964 delete $INC{$k}; 4002 delete $INC{$k};
2965 4003
2966 $k =~ s/\.pm$//; 4004 $k =~ s/\.pm$//;
2967 $k =~ s/\//::/g; 4005 $k =~ s/\//::/g;
2968 4006
2969 if (my $cb = $k->can ("unload_module")) { 4007 if (my $cb = $k->can ("unload_module")) {
2970 $cb->(); 4008 $cb->();
4009 }
4010
4011 clear_package $k;
2971 } 4012 }
2972 4013
2973 Symbol::delete_package $k;
2974 }
2975
2976 warn "getting rid of safe::, as good as possible"; 4014 trace "perl_reload: getting rid of safe::, as good as possible";
2977 Symbol::delete_package "safe::$_" 4015 clear_package "safe::$_"
2978 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 4016 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979 4017
2980 warn "unloading cf.pm \"a bit\""; 4018 trace "perl_reload: unloading cf.pm \"a bit\"";
2981 delete $INC{"cf.pm"}; 4019 delete $INC{"cf.pm"};
2982 delete $INC{"cf/pod.pm"}; 4020 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983 4021
2984 # don't, removes xs symbols, too, 4022 # don't, removes xs symbols, too,
2985 # and global variables created in xs 4023 # and global variables created in xs
2986 #Symbol::delete_package __PACKAGE__; 4024 #clear_package __PACKAGE__;
2987 4025
2988 warn "unload completed, starting to reload now"; 4026 info "perl_reload: unload completed, starting to reload now";
2989 4027
2990 warn "reloading cf.pm"; 4028 trace "perl_reload: reloading cf.pm";
2991 require cf; 4029 require cf;
2992 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4030 cf::_connect_to_perl_1;
2993 4031
2994 warn "loading config and database again"; 4032 trace "perl_reload: loading config and database again";
2995 cf::cfg_load; 4033 cf::reload_config;
2996 4034
2997 warn "loading extensions"; 4035 trace "perl_reload: loading extensions";
2998 cf::load_extensions; 4036 cf::load_extensions;
2999 4037
4038 if ($REATTACH_ON_RELOAD) {
3000 warn "reattaching attachments to objects/players"; 4039 trace "perl_reload: reattaching attachments to objects/players";
3001 _global_reattach; # objects, sockets 4040 _global_reattach; # objects, sockets
3002 warn "reattaching attachments to maps"; 4041 trace "perl_reload: reattaching attachments to maps";
3003 reattach $_ for values %MAP; 4042 reattach $_ for values %MAP;
3004 warn "reattaching attachments to players"; 4043 trace "perl_reload: reattaching attachments to players";
3005 reattach $_ for values %PLAYER; 4044 reattach $_ for values %PLAYER;
4045 }
3006 4046
3007 warn "leaving sync_job"; 4047 cf::_post_init 1;
3008 4048
4049 trace "perl_reload: leaving sync_job";
4050
3009 1 4051 1
3010 } or do { 4052 } or do {
3011 warn $@; 4053 error $@;
3012 warn "error while reloading, exiting."; 4054 cf::cleanup "perl_reload: error, exiting.";
3013 exit 1; 4055 };
4056
4057 --$RELOAD;
3014 }; 4058 }
3015 4059
3016 warn "reloaded"; 4060 $t1 = AE::time - $t1;
4061 info "perl_reload: completed in ${t1}s\n";
3017}; 4062};
3018 4063
3019our $RELOAD_WATCHER; # used only during reload 4064our $RELOAD_WATCHER; # used only during reload
3020 4065
3021sub reload_perl() { 4066sub reload_perl() {
3022 # doing reload synchronously and two reloads happen back-to-back, 4067 # doing reload synchronously and two reloads happen back-to-back,
3023 # coro crashes during coro_state_free->destroy here. 4068 # coro crashes during coro_state_free->destroy here.
3024 4069
3025 $RELOAD_WATCHER ||= Event->timer ( 4070 $RELOAD_WATCHER ||= cf::async {
3026 reentrant => 0, 4071 Coro::AIO::aio_wait cache_extensions;
3027 after => 0, 4072
3028 data => WF_AUTOCANCEL, 4073 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029 cb => sub {
3030 do_reload_perl; 4074 do_reload_perl;
3031 undef $RELOAD_WATCHER; 4075 undef $RELOAD_WATCHER;
3032 }, 4076 };
3033 ); 4077 };
3034} 4078}
3035 4079
3036register_command "reload" => sub { 4080register_command "reload" => sub {
3037 my ($who, $arg) = @_; 4081 my ($who, $arg) = @_;
3038 4082
3039 if ($who->flag (FLAG_WIZ)) { 4083 if ($who->flag (FLAG_WIZ)) {
3040 $who->message ("reloading server."); 4084 $who->message ("reloading server.");
4085 async {
4086 $Coro::current->{desc} = "perl_reload";
3041 async { reload_perl }; 4087 reload_perl;
4088 };
3042 } 4089 }
3043}; 4090};
3044 4091
3045unshift @INC, $LIBDIR; 4092#############################################################################
3046 4093
3047my $bug_warning = 0; 4094my $bug_warning = 0;
3048 4095
3049our @WAIT_FOR_TICK; 4096our @WAIT_FOR_TICK;
3050our @WAIT_FOR_TICK_BEGIN; 4097our @WAIT_FOR_TICK_BEGIN;
3051 4098
3052sub wait_for_tick { 4099sub wait_for_tick() {
3053 return unless $TICK_WATCHER->is_active;
3054 return if $Coro::current == $Coro::main; 4100 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3055 4101
3056 my $signal = new Coro::Signal; 4102 my $signal = new Coro::Signal;
3057 push @WAIT_FOR_TICK, $signal; 4103 push @WAIT_FOR_TICK, $signal;
3058 $signal->wait; 4104 $signal->wait;
3059} 4105}
3060 4106
3061sub wait_for_tick_begin { 4107sub wait_for_tick_begin() {
3062 return unless $TICK_WATCHER->is_active;
3063 return if $Coro::current == $Coro::main; 4108 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064 4109
3065 my $signal = new Coro::Signal; 4110 my $signal = new Coro::Signal;
3066 push @WAIT_FOR_TICK_BEGIN, $signal; 4111 push @WAIT_FOR_TICK_BEGIN, $signal;
3067 $signal->wait; 4112 $signal->wait;
3068} 4113}
3069 4114
3070 my $min = 1e6;#d# 4115sub tick {
3071 my $avg = 10;
3072$TICK_WATCHER = Event->timer (
3073 reentrant => 0,
3074 parked => 1,
3075 prio => 0,
3076 at => $NEXT_TICK || $TICK,
3077 data => WF_AUTOCANCEL,
3078 cb => sub {
3079 if ($Coro::current != $Coro::main) { 4116 if ($Coro::current != $Coro::main) {
3080 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4117 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081 unless ++$bug_warning > 10; 4118 unless ++$bug_warning > 10;
3082 return; 4119 return;
3083 } 4120 }
3084 4121
3085 $NOW = $tick_start = Event::time;
3086
3087 cf::server_tick; # one server iteration 4122 cf::server_tick; # one server iteration
3088 4123
3089 0 && sync_job {#d# 4124 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3090 for(1..10) {
3091 my $t = Event::time;
3092 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3093 or die;
3094 4125
3095 $map->width (50); 4126 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3096 $map->height (50); 4127 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3097 $map->alloc; 4128 Coro::async_pool {
3098 $map->_load_objects ("/tmp/x.map", 1); 4129 $Coro::current->{desc} = "runtime saver";
3099 my $t = Event::time - $t; 4130 write_runtime_sync
3100 4131 or error "ERROR: unable to write runtime file: $!";
3101 #next unless $t < 0.0013;#d#
3102 if ($t < $min) {
3103 $min = $t;
3104 }
3105 $avg = $avg * 0.99 + $t * 0.01;
3106 }
3107 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108 exit 0;
3109 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110 }; 4132 };
4133 }
3111 4134
3112 $RUNTIME += $TICK;
3113 $NEXT_TICK += $TICK;
3114
3115 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116 $NEXT_RUNTIME_WRITE = $NOW + 10;
3117 Coro::async_pool {
3118 write_runtime
3119 or warn "ERROR: unable to write runtime file: $!";
3120 };
3121 }
3122
3123# my $AFTER = Event::time;
3124# warn $AFTER - $NOW;#d#
3125
3126 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4135 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127 $sig->send; 4136 $sig->send;
3128 } 4137 }
3129 while (my $sig = shift @WAIT_FOR_TICK) { 4138 while (my $sig = shift @WAIT_FOR_TICK) {
3130 $sig->send; 4139 $sig->send;
3131 } 4140 }
3132 4141
3133 $NOW = Event::time; 4142 $LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135 # if we are delayed by four ticks or more, skip them all
3136 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138 $TICK_WATCHER->at ($NEXT_TICK);
3139 $TICK_WATCHER->start;
3140
3141 $LOAD = ($NOW - $tick_start) / $TICK;
3142 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4143 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143 4144
3144 _post_tick; 4145 if (0) {
3145 4146 if ($NEXT_TICK) {
3146 4147 my $jitter = $TICK_START - $NEXT_TICK;
4148 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4149 debug "jitter $JITTER\n";#d#
4150 }
3147 }, 4151 }
3148); 4152}
3149 4153
3150{ 4154{
3151 BDB::max_poll_time $TICK * 0.1; 4155 # configure BDB
3152 $BDB_POLL_WATCHER = Event->io ( 4156
3153 reentrant => 0,
3154 fd => BDB::poll_fileno,
3155 poll => 'r',
3156 prio => 0,
3157 data => WF_AUTOCANCEL,
3158 cb => \&BDB::poll_cb,
3159 );
3160 BDB::min_parallel 8; 4157 BDB::min_parallel 16;
3161 4158 BDB::max_poll_reqs $TICK * 0.1;
3162 BDB::set_sync_prepare { 4159 $AnyEvent::BDB::WATCHER->priority (1);
3163 my $status;
3164 my $current = $Coro::current;
3165 (
3166 sub {
3167 $status = $!;
3168 $current->ready; undef $current;
3169 },
3170 sub {
3171 Coro::schedule while defined $current;
3172 $! = $status;
3173 },
3174 )
3175 };
3176 4160
3177 unless ($DB_ENV) { 4161 unless ($DB_ENV) {
3178 $DB_ENV = BDB::db_env_create; 4162 $DB_ENV = BDB::db_env_create;
4163 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4164 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4165 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4166 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4167 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179 4168
3180 cf::sync_job { 4169 cf::sync_job {
3181 eval { 4170 eval {
3182 BDB::db_env_open 4171 BDB::db_env_open
3183 $DB_ENV, 4172 $DB_ENV,
3185 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4174 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4175 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187 0666; 4176 0666;
3188 4177
3189 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4178 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192 $DB_ENV->set_lk_detect;
3193 }; 4179 };
3194 4180
3195 cf::cleanup "db_env_open(db): $@" if $@; 4181 cf::cleanup "db_env_open(db): $@" if $@;
3196 }; 4182 };
3197 } 4183 }
4184
4185 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4186 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4187 };
4188 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4189 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4190 };
4191 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4192 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4193 };
3198} 4194}
3199 4195
3200{ 4196{
4197 # configure IO::AIO
4198
3201 IO::AIO::min_parallel 8; 4199 IO::AIO::min_parallel 8;
3202
3203 undef $Coro::AIO::WATCHER;
3204 IO::AIO::max_poll_time $TICK * 0.1; 4200 IO::AIO::max_poll_time $TICK * 0.1;
3205 $AIO_POLL_WATCHER = Event->io ( 4201 undef $AnyEvent::AIO::WATCHER;
3206 reentrant => 0,
3207 data => WF_AUTOCANCEL,
3208 fd => IO::AIO::poll_fileno,
3209 poll => 'r',
3210 prio => 6,
3211 cb => \&IO::AIO::poll_cb,
3212 );
3213} 4202}
3214 4203
3215my $_log_backtrace; 4204our $_log_backtrace;
4205our $_log_backtrace_last;
3216 4206
3217sub _log_backtrace { 4207sub _log_backtrace {
3218 my ($msg, @addr) = @_; 4208 my ($msg, @addr) = @_;
3219 4209
3220 $msg =~ s/\n//; 4210 $msg =~ s/\n$//;
3221 4211
4212 if ($_log_backtrace_last eq $msg) {
4213 LOG llevInfo, "[ABT] $msg\n";
4214 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3222 # limit the # of concurrent backtraces 4215 # limit the # of concurrent backtraces
3223 if ($_log_backtrace < 2) { 4216 } elsif ($_log_backtrace < 2) {
4217 $_log_backtrace_last = $msg;
3224 ++$_log_backtrace; 4218 ++$_log_backtrace;
4219 my $perl_bt = Carp::longmess $msg;
3225 async { 4220 async {
4221 $Coro::current->{desc} = "abt $msg";
4222
3226 my @bt = fork_call { 4223 my @bt = fork_call {
3227 @addr = map { sprintf "%x", $_ } @addr; 4224 @addr = map { sprintf "%x", $_ } @addr;
3228 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4225 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4226 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230 or die "addr2line: $!"; 4227 or die "addr2line: $!";
3238 } 4235 }
3239 4236
3240 @funcs 4237 @funcs
3241 }; 4238 };
3242 4239
3243 LOG llevInfo, "[ABT] $msg\n"; 4240 LOG llevInfo, "[ABT] $perl_bt\n";
4241 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244 LOG llevInfo, "[ABT] $_\n" for @bt; 4242 LOG llevInfo, "[ABT] $_\n" for @bt;
3245 --$_log_backtrace; 4243 --$_log_backtrace;
3246 }; 4244 };
3247 } else { 4245 } else {
3248 LOG llevInfo, "[ABT] $msg\n"; 4246 LOG llevInfo, "[ABT] $msg\n";
3249 LOG llevInfo, "[ABT] [suppressed]\n"; 4247 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3250 } 4248 }
3251} 4249}
3252 4250
3253# load additional modules 4251# load additional modules
3254use cf::pod; 4252require "cf/$_.pm" for @EXTRA_MODULES;
4253cf::_connect_to_perl_2;
3255 4254
3256END { cf::emergency_save } 4255END { cf::emergency_save }
3257 4256
32581 42571
3259 4258

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