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Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.570 by root, Wed May 4 07:41:14 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 s/\s+\n/\n/g; # ws line-ends
1418 s/\n\n+/\n/g; # double lines
1419 s/^\n+//; # beginning lines
1420 s/\n+$//; # ending lines
1421
1422 $_
1423}
1424
1425sub hintmode {
1426 $_[0]{hintmode} = $_[1] if @_ > 1;
1427 $_[0]{hintmode}
1428}
1429
1430=item $player->ext_reply ($msgid, %msg) 1831=item $player->ext_reply ($msgid, @msg)
1431 1832
1432Sends an ext reply to the player. 1833Sends an ext reply to the player.
1433 1834
1434=cut 1835=cut
1435 1836
1436sub ext_reply($$%) { 1837sub ext_reply($$@) {
1437 my ($self, $id, %msg) = @_; 1838 my ($self, $id, @msg) = @_;
1438 1839
1439 $msg{msgid} = $id; 1840 $self->ns->ext_reply ($id, @msg)
1440 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441} 1841}
1442 1842
1443=item $player->ext_event ($type, %msg) 1843=item $player->ext_msg ($type, @msg)
1444 1844
1445Sends an ext event to the client. 1845Sends an ext event to the client.
1446 1846
1447=cut 1847=cut
1448 1848
1449sub ext_event($$%) { 1849sub ext_msg($$@) {
1450 my ($self, $type, %msg) = @_; 1850 my ($self, $type, @msg) = @_;
1451 1851
1452 $self->ns->ext_event ($type, %msg); 1852 $self->ns->ext_msg ($type, @msg);
1453} 1853}
1454 1854
1455=head3 cf::region 1855=head3 cf::region
1456 1856
1457=over 4 1857=over 4
1467=cut 1867=cut
1468 1868
1469sub find_by_path($) { 1869sub find_by_path($) {
1470 my ($path) = @_; 1870 my ($path) = @_;
1471 1871
1872 $path =~ s/^~[^\/]*//; # skip ~login
1873
1472 my ($match, $specificity); 1874 my ($match, $specificity);
1473 1875
1474 for my $region (list) { 1876 for my $region (list) {
1475 if ($region->match && $path =~ $region->match) { 1877 if ($region->{match} && $path =~ $region->{match}) {
1476 ($match, $specificity) = ($region, $region->specificity) 1878 ($match, $specificity) = ($region, $region->specificity)
1477 if $region->specificity > $specificity; 1879 if $region->specificity > $specificity;
1478 } 1880 }
1479 } 1881 }
1480 1882
1501our $MAX_RESET = 3600; 1903our $MAX_RESET = 3600;
1502our $DEFAULT_RESET = 3000; 1904our $DEFAULT_RESET = 3000;
1503 1905
1504sub generate_random_map { 1906sub generate_random_map {
1505 my ($self, $rmp) = @_; 1907 my ($self, $rmp) = @_;
1506 # mit "rum" bekleckern, nicht 1908
1909 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1910
1507 $self->_create_random_map ( 1911 $self->_create_random_map ($rmp);
1508 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511 $rmp->{exit_on_final_map},
1512 $rmp->{xsize}, $rmp->{ysize},
1513 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518 (cf::region::find $rmp->{region}), $rmp->{custom}
1519 )
1520} 1912}
1521 1913
1522=item cf::map->register ($regex, $prio) 1914=item cf::map->register ($regex, $prio)
1523 1915
1524Register 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
1529 1921
1530sub register { 1922sub register {
1531 my (undef, $regex, $prio) = @_; 1923 my (undef, $regex, $prio) = @_;
1532 my $pkg = caller; 1924 my $pkg = caller;
1533 1925
1534 no strict;
1535 push @{"$pkg\::ISA"}, __PACKAGE__; 1926 push @{"$pkg\::ISA"}, __PACKAGE__;
1536 1927
1537 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1928 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538} 1929}
1539 1930
1540# also paths starting with '/' 1931# also paths starting with '/'
1541$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1932$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542 1933
1543sub thawer_merge { 1934sub thawer_merge {
1544 my ($self, $merge) = @_; 1935 my ($self, $merge) = @_;
1545 1936
1546 # we have to keep some variables in memory intact 1937 # we have to keep some variables in memory intact
1551} 1942}
1552 1943
1553sub normalise { 1944sub normalise {
1554 my ($path, $base) = @_; 1945 my ($path, $base) = @_;
1555 1946
1556 $path = "$path"; # make sure its a string 1947 $path = "$path"; # make sure it's a string
1557 1948
1558 $path =~ s/\.map$//; 1949 $path =~ s/\.map$//;
1559 1950
1560 # map plan: 1951 # map plan:
1561 # 1952 #
1576 $base =~ s{[^/]+/?$}{}; 1967 $base =~ s{[^/]+/?$}{};
1577 $path = "$base/$path"; 1968 $path = "$base/$path";
1578 } 1969 }
1579 1970
1580 for ($path) { 1971 for ($path) {
1581 redo if s{//}{/};
1582 redo if s{/\.?/}{/}; 1972 redo if s{/\.?/}{/};
1583 redo if s{/[^/]+/\.\./}{/}; 1973 redo if s{/[^/]+/\.\./}{/};
1584 } 1974 }
1585 1975
1586 $path 1976 $path
1600 $self->init; # pass $1 etc. 1990 $self->init; # pass $1 etc.
1601 return $self; 1991 return $self;
1602 } 1992 }
1603 } 1993 }
1604 1994
1605 Carp::carp "unable to resolve path '$path' (base '$base')."; 1995 Carp::cluck "unable to resolve path '$path' (base '$base')";
1606 () 1996 ()
1607} 1997}
1608 1998
1999# may re-bless or do other evil things
1609sub init { 2000sub init {
1610 my ($self) = @_; 2001 my ($self) = @_;
1611 2002
1612 $self 2003 $self
1613} 2004}
1632 2023
1633# the temporary/swap location 2024# the temporary/swap location
1634sub save_path { 2025sub save_path {
1635 my ($self) = @_; 2026 my ($self) = @_;
1636 2027
1637 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2028 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638 "$TMPDIR/$path.map" 2029 "$TMPDIR/$path.map"
1639} 2030}
1640 2031
1641# the unique path, undef == no special unique path 2032# the unique path, undef == no special unique path
1642sub uniq_path { 2033sub uniq_path {
1643 my ($self) = @_; 2034 my ($self) = @_;
1644 2035
1645 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2036 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646 "$UNIQUEDIR/$path" 2037 "$UNIQUEDIR/$path"
1647}
1648
1649# and all this just because we cannot iterate over
1650# all maps in C++...
1651sub change_all_map_light {
1652 my ($change) = @_;
1653
1654 $_->change_map_light ($change)
1655 for grep $_->outdoor, values %cf::MAP;
1656} 2038}
1657 2039
1658sub decay_objects { 2040sub decay_objects {
1659 my ($self) = @_; 2041 my ($self) = @_;
1660 2042
1673 2055
1674sub load_header_from($) { 2056sub load_header_from($) {
1675 my ($self, $path) = @_; 2057 my ($self, $path) = @_;
1676 2058
1677 utf8::encode $path; 2059 utf8::encode $path;
1678 #aio_open $path, O_RDONLY, 0 2060 my $f = new_from_file cf::object::thawer $path
1679 # or return;
1680
1681 $self->_load_header ($path)
1682 or return; 2061 or return;
1683 2062
2063 $self->_load_header ($f)
2064 or return;
2065
2066 local $MAP_LOADING{$self->{path}} = $self;
2067 $f->resolve_delayed_derefs;
2068
1684 $self->{load_path} = $path; 2069 $self->{load_path} = $path;
1685 2070
1686 1 2071 1
1687} 2072}
1688 2073
2074# used to laod the header of an original map
1689sub load_header_orig { 2075sub load_header_orig {
1690 my ($self) = @_; 2076 my ($self) = @_;
1691 2077
1692 $self->load_header_from ($self->load_path) 2078 $self->load_header_from ($self->load_path)
1693} 2079}
1694 2080
2081# used to laod the header of an instantiated map
1695sub load_header_temp { 2082sub load_header_temp {
1696 my ($self) = @_; 2083 my ($self) = @_;
1697 2084
1698 $self->load_header_from ($self->save_path) 2085 $self->load_header_from ($self->save_path)
1699} 2086}
1700 2087
2088# called after loading the header from an instantiated map
1701sub prepare_temp { 2089sub prepare_temp {
1702 my ($self) = @_; 2090 my ($self) = @_;
1703 2091
1704 $self->last_access ((delete $self->{last_access}) 2092 $self->last_access ((delete $self->{last_access})
1705 || $cf::RUNTIME); #d# 2093 || $cf::RUNTIME); #d#
1706 # safety 2094 # safety
1707 $self->{instantiate_time} = $cf::RUNTIME 2095 $self->{instantiate_time} = $cf::RUNTIME
1708 if $self->{instantiate_time} > $cf::RUNTIME; 2096 if $self->{instantiate_time} > $cf::RUNTIME;
1709} 2097}
1710 2098
2099# called after loading the header from an original map
1711sub prepare_orig { 2100sub prepare_orig {
1712 my ($self) = @_; 2101 my ($self) = @_;
1713 2102
1714 $self->{load_original} = 1; 2103 $self->{load_original} = 1;
1715 $self->{instantiate_time} = $cf::RUNTIME; 2104 $self->{instantiate_time} = $cf::RUNTIME;
1739 2128
1740sub find; 2129sub find;
1741sub find { 2130sub find {
1742 my ($path, $origin) = @_; 2131 my ($path, $origin) = @_;
1743 2132
2133 cf::cede_to_tick;
2134
1744 $path = normalise $path, $origin && $origin->path; 2135 $path = normalise $path, $origin;
1745 2136
2137 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746 cf::lock_wait "map_find:$path"; 2138 my $guard2 = cf::lock_acquire "map_find:$path";
1747 2139
1748 $cf::MAP{$path} || do { 2140 $cf::MAP{$path} || do {
1749 my $guard = cf::lock_acquire "map_find:$path";
1750 my $map = new_from_path cf::map $path 2141 my $map = new_from_path cf::map $path
1751 or return; 2142 or return;
1752 2143
1753 $map->{last_save} = $cf::RUNTIME; 2144 $map->{last_save} = $cf::RUNTIME;
1754 2145
1756 or return; 2147 or return;
1757 2148
1758 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2149 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759 # doing this can freeze the server in a sync job, obviously 2150 # doing this can freeze the server in a sync job, obviously
1760 #$cf::WAIT_FOR_TICK->wait; 2151 #$cf::WAIT_FOR_TICK->wait;
2152 undef $guard2;
2153 undef $guard1;
1761 $map->reset; 2154 $map->reset;
1762 undef $guard;
1763 return find $path; 2155 return find $path;
1764 } 2156 }
1765 2157
1766 $cf::MAP{$path} = $map 2158 $cf::MAP{$path} = $map
1767 } 2159 }
1768} 2160}
1769 2161
1770sub pre_load { } 2162sub pre_load { }
1771sub post_load { } 2163#sub post_load { } # XS
1772 2164
1773sub load { 2165sub load {
1774 my ($self) = @_; 2166 my ($self) = @_;
1775 2167
1776 local $self->{deny_reset} = 1; # loading can take a long time 2168 local $self->{deny_reset} = 1; # loading can take a long time
1777 2169
1778 my $path = $self->{path}; 2170 my $path = $self->{path};
1779 2171
1780 { 2172 {
1781 my $guard = cf::lock_acquire "map_load:$path"; 2173 my $guard = cf::lock_acquire "map_data:$path";
1782 2174
2175 return unless $self->valid;
1783 return if $self->in_memory != cf::MAP_SWAPPED; 2176 return unless $self->state == cf::MAP_SWAPPED;
1784
1785 $self->in_memory (cf::MAP_LOADING);
1786 2177
1787 $self->alloc; 2178 $self->alloc;
1788 2179
1789 $self->pre_load; 2180 $self->pre_load;
1790 Coro::cede; 2181 cf::cede_to_tick;
1791 2182
1792 $self->_load_objects ($self->{load_path}, 1) 2183 if (exists $self->{load_path}) {
2184 my $f = new_from_file cf::object::thawer $self->{load_path};
2185 $f->skip_block;
2186 $self->_load_objects ($f)
1793 or return; 2187 or return;
1794 2188
1795 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2189 $self->post_load_original
1796 if delete $self->{load_original}; 2190 if delete $self->{load_original};
1797 2191
1798 if (my $uniq = $self->uniq_path) { 2192 if (my $uniq = $self->uniq_path) {
1799 utf8::encode $uniq; 2193 utf8::encode $uniq;
1800 if (aio_open $uniq, O_RDONLY, 0) { 2194 unless (aio_stat $uniq) {
2195 if (my $f = new_from_file cf::object::thawer $uniq) {
1801 $self->clear_unique_items; 2196 $self->clear_unique_items;
1802 $self->_load_objects ($uniq, 0); 2197 $self->_load_objects ($f);
2198 $f->resolve_delayed_derefs;
2199 }
2200 }
1803 } 2201 }
1804 }
1805 2202
1806 Coro::cede; 2203 $f->resolve_delayed_derefs;
2204 } else {
2205 $self->post_load_original
2206 if delete $self->{load_original};
2207 }
2208
2209 $self->state (cf::MAP_INACTIVE);
2210
2211 cf::cede_to_tick;
1807 # now do the right thing for maps 2212 # now do the right thing for maps
1808 $self->link_multipart_objects; 2213 $self->link_multipart_objects;
1809 $self->difficulty ($self->estimate_difficulty) 2214 $self->difficulty ($self->estimate_difficulty)
1810 unless $self->difficulty; 2215 unless $self->difficulty;
1811 Coro::cede; 2216 cf::cede_to_tick;
1812 2217
1813 unless ($self->{deny_activate}) { 2218 unless ($self->{deny_activate}) {
1814 $self->decay_objects; 2219 $self->decay_objects;
1815 $self->fix_auto_apply; 2220 $self->fix_auto_apply;
1816 $self->update_buttons; 2221 $self->update_buttons;
1817 Coro::cede; 2222 cf::cede_to_tick;
1818 $self->set_darkness_map; 2223 #$self->activate; # no longer activate maps automatically
1819 Coro::cede;
1820 $self->activate;
1821 } 2224 }
1822 2225
1823 $self->in_memory (cf::MAP_IN_MEMORY); 2226 $self->{last_save} = $cf::RUNTIME;
2227 $self->last_access ($cf::RUNTIME);
1824 } 2228 }
1825 2229
1826 $self->post_load; 2230 $self->post_load;
1827}
1828 2231
2232 1
2233}
2234
2235# customize the map for a given player, i.e.
2236# return the _real_ map. used by e.g. per-player
2237# maps to change the path to ~playername/mappath
1829sub customise_for { 2238sub customise_for {
1830 my ($self, $ob) = @_; 2239 my ($self, $ob) = @_;
1831 2240
1832 return find "~" . $ob->name . "/" . $self->{path} 2241 return find "~" . $ob->name . "/" . $self->{path}
1833 if $self->per_player; 2242 if $self->per_player;
1837 2246
1838 $self 2247 $self
1839} 2248}
1840 2249
1841# find and load all maps in the 3x3 area around a map 2250# find and load all maps in the 3x3 area around a map
1842sub load_diag { 2251sub load_neighbours {
1843 my ($map) = @_; 2252 my ($map) = @_;
1844 2253
1845 my @diag; # diagonal neighbours 2254 my @neigh; # diagonal neighbours
1846 2255
1847 for (0 .. 3) { 2256 for (0 .. 3) {
1848 my $neigh = $map->tile_path ($_) 2257 my $neigh = $map->tile_path ($_)
1849 or next; 2258 or next;
1850 $neigh = find $neigh, $map 2259 $neigh = find $neigh, $map
1851 or next; 2260 or next;
1852 $neigh->load; 2261 $neigh->load;
1853 2262
2263 # now find the diagonal neighbours
2264 push @neigh,
1854 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2265 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2266 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1856 } 2267 }
1857 2268
1858 for (@diag) { 2269 for (grep defined $_->[0], @neigh) {
2270 my ($path, $origin) = @$_;
1859 my $neigh = find @$_ 2271 my $neigh = find $path, $origin
1860 or next; 2272 or next;
1861 $neigh->load; 2273 $neigh->load;
1862 } 2274 }
1863} 2275}
1864 2276
1865sub find_sync { 2277sub find_sync {
1866 my ($path, $origin) = @_; 2278 my ($path, $origin) = @_;
1867 2279
1868 cf::sync_job { find $path, $origin } 2280 # it's a bug to call this from the main context
2281 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2282 if $Coro::current == $Coro::main;
2283
2284 find $path, $origin
1869} 2285}
1870 2286
1871sub do_load_sync { 2287sub do_load_sync {
1872 my ($map) = @_; 2288 my ($map) = @_;
1873 2289
1874 cf::sync_job { $map->load }; 2290 # it's a bug to call this from the main context
2291 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2292 if $Coro::current == $Coro::main;
2293
2294 $map->load;
1875} 2295}
1876 2296
1877our %MAP_PREFETCH; 2297our %MAP_PREFETCH;
1878our $MAP_PREFETCHER = undef; 2298our $MAP_PREFETCHER = undef;
1879 2299
1880sub find_async { 2300sub find_async {
1881 my ($path, $origin) = @_; 2301 my ($path, $origin, $load) = @_;
1882 2302
1883 $path = normalise $path, $origin && $origin->{path}; 2303 $path = normalise $path, $origin;
1884 2304
1885 if (my $map = $cf::MAP{$path}) { 2305 if (my $map = $cf::MAP{$path}) {
1886 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2306 return $map if !$load || $map->linkable;
1887 } 2307 }
1888 2308
1889 undef $MAP_PREFETCH{$path}; 2309 $MAP_PREFETCH{$path} |= $load;
2310
1890 $MAP_PREFETCHER ||= cf::async { 2311 $MAP_PREFETCHER ||= cf::async {
2312 $Coro::current->{desc} = "map prefetcher";
2313
1891 while (%MAP_PREFETCH) { 2314 while (%MAP_PREFETCH) {
1892 for my $path (keys %MAP_PREFETCH) { 2315 while (my ($k, $v) = each %MAP_PREFETCH) {
1893 my $map = find $path 2316 if (my $map = find $k) {
1894 or next;
1895 $map->load; 2317 $map->load if $v;
2318 }
1896 2319
1897 delete $MAP_PREFETCH{$path}; 2320 delete $MAP_PREFETCH{$k};
1898 } 2321 }
1899 } 2322 }
1900 undef $MAP_PREFETCHER; 2323 undef $MAP_PREFETCHER;
1901 }; 2324 };
1902 $MAP_PREFETCHER->prio (6); 2325 $MAP_PREFETCHER->prio (6);
1903 2326
1904 () 2327 ()
1905} 2328}
1906 2329
2330# common code, used by both ->save and ->swapout
1907sub save { 2331sub _save {
1908 my ($self) = @_; 2332 my ($self) = @_;
1909
1910 my $lock = cf::lock_acquire "map_data:" . $self->path;
1911 2333
1912 $self->{last_save} = $cf::RUNTIME; 2334 $self->{last_save} = $cf::RUNTIME;
1913 2335
1914 return unless $self->dirty; 2336 return unless $self->dirty;
1915 2337
1921 return if $self->{deny_save}; 2343 return if $self->{deny_save};
1922 2344
1923 local $self->{last_access} = $self->last_access;#d# 2345 local $self->{last_access} = $self->last_access;#d#
1924 2346
1925 cf::async { 2347 cf::async {
2348 $Coro::current->{desc} = "map player save";
1926 $_->contr->save for $self->players; 2349 $_->contr->save for $self->players;
1927 }; 2350 };
2351
2352 cf::get_slot 0.02;
1928 2353
1929 if ($uniq) { 2354 if ($uniq) {
1930 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2355 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2356 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1932 } else { 2357 } else {
1933 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2358 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934 } 2359 }
1935} 2360}
1936 2361
2362sub save {
2363 my ($self) = @_;
2364
2365 my $lock = cf::lock_acquire "map_data:$self->{path}";
2366
2367 $self->_save;
2368}
2369
1937sub swap_out { 2370sub swap_out {
1938 my ($self) = @_; 2371 my ($self) = @_;
1939 2372
1940 # save first because save cedes
1941 $self->save;
1942
1943 my $lock = cf::lock_acquire "map_data:" . $self->path; 2373 my $lock = cf::lock_acquire "map_data:$self->{path}";
1944 2374
2375 return if !$self->linkable;
2376 return if $self->{deny_save};
1945 return if $self->players; 2377 return if $self->players;
1946 return if $self->in_memory != cf::MAP_IN_MEMORY;
1947 return if $self->{deny_save};
1948 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->state (cf::MAP_SWAPPED);
2383
2384 # then atomically save
2385 $self->_save;
2386
2387 # then free the map
1949 $self->clear; 2388 $self->clear;
1950 $self->in_memory (cf::MAP_SWAPPED);
1951} 2389}
1952 2390
1953sub reset_at { 2391sub reset_at {
1954 my ($self) = @_; 2392 my ($self) = @_;
1955 2393
1973 2411
1974 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2412 my $lock = cf::lock_acquire "map_data:$self->{path}";
1975 2413
1976 return if $self->players; 2414 return if $self->players;
1977 2415
1978 warn "resetting map ", $self->path; 2416 cf::trace "resetting map ", $self->path, "\n";
1979 2417
1980 $self->in_memory (cf::MAP_SWAPPED); 2418 $self->state (cf::MAP_SWAPPED);
1981 2419
1982 # need to save uniques path 2420 # need to save uniques path
1983 unless ($self->{deny_save}) { 2421 unless ($self->{deny_save}) {
1984 my $uniq = $self->uniq_path; utf8::encode $uniq; 2422 my $uniq = $self->uniq_path; utf8::encode $uniq;
1985 2423
1987 if $uniq; 2425 if $uniq;
1988 } 2426 }
1989 2427
1990 delete $cf::MAP{$self->path}; 2428 delete $cf::MAP{$self->path};
1991 2429
2430 $self->deactivate;
2431 $_->clear_links_to ($self) for values %cf::MAP;
1992 $self->clear; 2432 $self->clear;
1993
1994 $_->clear_links_to ($self) for values %cf::MAP;
1995 2433
1996 $self->unlink_save; 2434 $self->unlink_save;
1997 $self->destroy; 2435 $self->destroy;
1998} 2436}
1999 2437
2000my $nuke_counter = "aaaa"; 2438my $nuke_counter = "aaaa";
2001 2439
2002sub nuke { 2440sub nuke {
2003 my ($self) = @_; 2441 my ($self) = @_;
2004 2442
2443 {
2444 my $lock = cf::lock_acquire "map_data:$self->{path}";
2445
2005 delete $cf::MAP{$self->path}; 2446 delete $cf::MAP{$self->path};
2006 2447
2007 $self->unlink_save; 2448 $self->unlink_save;
2008 2449
2009 bless $self, "cf::map"; 2450 bless $self, "cf::map::wrap";
2010 delete $self->{deny_reset}; 2451 delete $self->{deny_reset};
2011 $self->{deny_save} = 1; 2452 $self->{deny_save} = 1;
2012 $self->reset_timeout (1); 2453 $self->reset_timeout (1);
2013 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2454 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014 2455
2015 $cf::MAP{$self->path} = $self; 2456 $cf::MAP{$self->path} = $self;
2457 }
2016 2458
2017 $self->reset; # polite request, might not happen 2459 $self->reset; # polite request, might not happen
2018} 2460}
2019 2461
2020=item $maps = cf::map::tmp_maps 2462=item $maps = cf::map::tmp_maps
2062 2504
2063sub unique_maps() { 2505sub unique_maps() {
2064 [ 2506 [
2065 map { 2507 map {
2066 utf8::decode $_; 2508 utf8::decode $_;
2067 /\.map$/ 2509 s/\.map$//; # TODO future compatibility hack
2510 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2511 ? ()
2068 ? normalise $_ 2512 : normalise $_
2069 : ()
2070 } @{ aio_readdir $UNIQUEDIR or [] } 2513 } @{ aio_readdir $UNIQUEDIR or [] }
2071 ] 2514 ]
2072} 2515}
2073 2516
2074package 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}
2075 2548
2076=back 2549=back
2077 2550
2078=head3 cf::object 2551=head3 cf::object
2079 2552
2083 2556
2084=over 4 2557=over 4
2085 2558
2086=item $ob->inv_recursive 2559=item $ob->inv_recursive
2087 2560
2088Returns 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.
2089 2563
2090=cut 2564=cut
2091 2565
2092sub inv_recursive_; 2566sub inv_recursive_;
2093sub inv_recursive_ { 2567sub inv_recursive_ {
2096 2570
2097sub inv_recursive { 2571sub inv_recursive {
2098 inv_recursive_ inv $_[0] 2572 inv_recursive_ inv $_[0]
2099} 2573}
2100 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
2101package cf; 2603package cf;
2102 2604
2103=back 2605=back
2104 2606
2105=head3 cf::object::player 2607=head3 cf::object::player
2111Sends 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>
2112can 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
2113dialogue with the given NPC character. 2615dialogue with the given NPC character.
2114 2616
2115=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};
2116 2632
2117# rough implementation of a future "reply" method that works 2633# rough implementation of a future "reply" method that works
2118# with dialog boxes. 2634# with dialog boxes.
2119#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
2120sub cf::object::player::reply($$$;$) { 2636sub cf::object::player::reply($$$;$) {
2127 2643
2128 } else { 2644 } else {
2129 my $pl = $self->contr; 2645 my $pl = $self->contr;
2130 2646
2131 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2647 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132 my $diag = $pl->{npc_dialog}; 2648 my $dialog = $pl->{npc_dialog};
2133 $diag->{pl}->ext_reply ( 2649 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134 $diag->{id},
2135 msgtype => "reply",
2136 msg => $diag->{pl}->expand_cfpod ($msg),
2137 add_topics => []
2138 );
2139 2650
2140 } else { 2651 } else {
2141 $msg = $npc->name . " says: $msg" if $npc; 2652 $msg = $npc->name . " says: $msg" if $npc;
2142 $self->message ($msg, $flags); 2653 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143 } 2654 }
2144 } 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 (@_);
2145} 2666}
2146 2667
2147=item $player_object->may ("access") 2668=item $player_object->may ("access")
2148 2669
2149Returns wether the given player is authorized to access resource "access" 2670Returns wether the given player is authorized to access resource "access"
2162 2683
2163=item $player_object->enter_link 2684=item $player_object->enter_link
2164 2685
2165Freezes 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}>).
2166 2687
2167The 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.
2168I<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.
2169 2692
2170Will never block. 2693Will never block.
2171 2694
2172=item $player_object->leave_link ($map, $x, $y) 2695=item $player_object->leave_link ($map, $x, $y)
2173 2696
2193sub cf::object::player::enter_link { 2716sub cf::object::player::enter_link {
2194 my ($self) = @_; 2717 my ($self) = @_;
2195 2718
2196 $self->deactivate_recursive; 2719 $self->deactivate_recursive;
2197 2720
2721 ++$self->{_link_recursion};
2722
2198 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2723 return if UNIVERSAL::isa $self->map, "ext::map_link";
2199 2724
2200 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2725 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201 if $self->map && $self->map->{path} ne "{link}"; 2726 if $self->map && $self->map->{path} ne "{link}";
2202 2727
2203 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2728 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2204} 2729}
2205 2730
2206sub cf::object::player::leave_link { 2731sub cf::object::player::leave_link {
2207 my ($self, $map, $x, $y) = @_; 2732 my ($self, $map, $x, $y) = @_;
2208 2733
2225 ($x, $y) = (-1, -1) 2750 ($x, $y) = (-1, -1)
2226 unless (defined $x) && (defined $y); 2751 unless (defined $x) && (defined $y);
2227 2752
2228 # use -1 or undef as default coordinates, not 0, 0 2753 # use -1 or undef as default coordinates, not 0, 0
2229 ($x, $y) = ($map->enter_x, $map->enter_y) 2754 ($x, $y) = ($map->enter_x, $map->enter_y)
2230 if $x <=0 && $y <= 0; 2755 if $x <= 0 && $y <= 0;
2231 2756
2232 $map->load; 2757 $map->load;
2233 $map->load_diag; 2758 $map->load_neighbours;
2234 2759
2235 return unless $self->contr->active; 2760 return unless $self->contr->active;
2236 $self->activate_recursive;
2237 2761
2238 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2762 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239 $self->enter_map ($map, $x, $y); 2763 if ($self->enter_map ($map, $x, $y)) {
2240} 2764 # entering was successful
2765 delete $self->{_link_recursion};
2766 # only activate afterwards, to support waiting in hooks
2767 $self->activate_recursive;
2768 }
2241 2769
2770}
2771
2242=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2772=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243 2773
2244Moves 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
2245her, loading and preparing them map, calling the provided $check callback 2775her, loading and preparing them map, calling the provided $check callback
2246that 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
2247the 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 >>.
2248 2782
2249=cut 2783=cut
2250 2784
2251our $GOTOGEN; 2785our $GOTOGEN;
2252 2786
2253sub cf::object::player::goto { 2787sub cf::object::player::goto {
2254 my ($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 }
2255 2795
2256 # 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
2257 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2797 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258 2798
2259 $self->enter_link; 2799 $self->enter_link;
2260 2800
2261 (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
2262 my $map = eval { 2823 my $map = eval {
2263 my $map = cf::map::find $path; 2824 my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264 2825
2265 if ($map) { 2826 if ($map) {
2266 $map = $map->customise_for ($self); 2827 $map = $map->customise_for ($self);
2267 $map = $check->($map) if $check && $map; 2828 $map = $check->($map, $x, $y, $self) if $check && $map;
2268 } else { 2829 } else {
2269 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2830 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270 } 2831 }
2271 2832
2272 $map 2833 $map
2273 }; 2834 };
2274 2835
2279 2840
2280 if ($gen == $self->{_goto_generation}) { 2841 if ($gen == $self->{_goto_generation}) {
2281 delete $self->{_goto_generation}; 2842 delete $self->{_goto_generation};
2282 $self->leave_link ($map, $x, $y); 2843 $self->leave_link ($map, $x, $y);
2283 } 2844 }
2845
2846 $done->($self) if $done;
2284 })->prio (1); 2847 })->prio (1);
2285} 2848}
2286 2849
2287=item $player_object->enter_exit ($exit_object) 2850=item $player_object->enter_exit ($exit_object)
2288 2851
2308} 2871}
2309 2872
2310sub prepare_random_map { 2873sub prepare_random_map {
2311 my ($exit) = @_; 2874 my ($exit) = @_;
2312 2875
2313 my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315 # all this does is basically replace the /! path by 2876 # all this does is basically replace the /! path by
2316 # a new random map path (?random/...) with a seed 2877 # a new random map path (?random/...) with a seed
2317 # that depends on the exit object 2878 # that depends on the exit object
2318 2879
2319 my $rmp = parse_random_map_params $exit->msg; 2880 my $rmp = parse_random_map_params $exit->msg;
2321 if ($exit->map) { 2882 if ($exit->map) {
2322 $rmp->{region} = $exit->region->name; 2883 $rmp->{region} = $exit->region->name;
2323 $rmp->{origin_map} = $exit->map->path; 2884 $rmp->{origin_map} = $exit->map->path;
2324 $rmp->{origin_x} = $exit->x; 2885 $rmp->{origin_x} = $exit->x;
2325 $rmp->{origin_y} = $exit->y; 2886 $rmp->{origin_y} = $exit->y;
2887
2888 $exit->map->touch;
2326 } 2889 }
2327 2890
2328 $rmp->{random_seed} ||= $exit->random_seed; 2891 $rmp->{random_seed} ||= $exit->random_seed;
2329 2892
2330 my $data = cf::to_json $rmp; 2893 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331 my $md5 = Digest::MD5::md5_hex $data; 2894 my $md5 = Digest::MD5::md5_hex $data;
2332 my $meta = "$RANDOMDIR/$md5.meta"; 2895 my $meta = "$RANDOMDIR/$md5.meta";
2333 2896
2334 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2897 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335 aio_write $fh, 0, (length $data), $data, 0; 2898 aio_write $fh, 0, (length $data), $data, 0;
2336 undef $fh; 2899 undef $fh;
2337 aio_rename "$meta~", $meta; 2900 aio_rename "$meta~", $meta;
2338 2901
2902 my $slaying = "?random/$md5";
2903
2904 if ($exit->valid) {
2339 $exit->slaying ("?random/$md5"); 2905 $exit->slaying ("?random/$md5");
2340 $exit->msg (undef); 2906 $exit->msg (undef);
2907 }
2341 } 2908 }
2342} 2909}
2343 2910
2344sub cf::object::player::enter_exit { 2911sub cf::object::player::enter_exit {
2345 my ($self, $exit) = @_; 2912 my ($self, $exit) = @_;
2346 2913
2347 return unless $self->type == cf::PLAYER; 2914 return unless $self->type == cf::PLAYER;
2348 2915
2349 if ($exit->slaying eq "/!") {
2350 #TODO: this should de-fi-ni-te-ly not be a sync-job
2351 # the problem is that $exit might not survive long enough
2352 # so it needs to be done right now, right here
2353 cf::sync_job { prepare_random_map $exit };
2354 }
2355
2356 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357 my $hp = $exit->stats->hp;
2358 my $sp = $exit->stats->sp;
2359
2360 $self->enter_link; 2916 $self->enter_link;
2361 2917
2362 (async { 2918 (async {
2363 $self->deactivate_recursive; # just to be sure 2919 $Coro::current->{desc} = "enter_exit";
2920
2364 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 $exit->slaying eq "/!"; # need to re-check after getting the lock
2937
2938 $map = $exit->slaying;
2939
2940 } elsif ($slaying eq '!up') {
2941 $map = $exit->map->tile_path (cf::TILE_UP);
2942 $x = $exit->x;
2943 $y = $exit->y;
2944
2945 } elsif ($slaying eq '!down') {
2946 $map = $exit->map->tile_path (cf::TILE_DOWN);
2947 $x = $exit->x;
2948 $y = $exit->y;
2949 }
2950
2365 $self->goto ($slaying, $hp, $sp); 2951 $self->goto ($map, $x, $y);
2366 2952
2953 # if exit is damned, update players death & WoR home-position
2954 $self->contr->savebed ($map, $x, $y)
2955 if $exit->flag (cf::FLAG_DAMNED);
2956
2367 1; 2957 1
2368 }) { 2958 }) {
2369 $self->message ("Something went wrong deep within the crossfire server. " 2959 $self->message ("Something went wrong deep within the deliantra server. "
2370 . "I'll try to bring you back to the map you were before. " 2960 . "I'll try to bring you back to the map you were before. "
2371 . "Please report this to the dungeon master!", 2961 . "Please report this to the dungeon master!",
2372 cf::NDI_UNIQUE | cf::NDI_RED); 2962 cf::NDI_UNIQUE | cf::NDI_RED);
2373 2963
2374 warn "ERROR in enter_exit: $@"; 2964 error "ERROR in enter_exit: $@";
2375 $self->leave_link; 2965 $self->leave_link;
2376 } 2966 }
2377 })->prio (1); 2967 })->prio (1);
2378} 2968}
2379 2969
2393 2983
2394 utf8::encode $text; 2984 utf8::encode $text;
2395 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2985 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396} 2986}
2397 2987
2988=item $client->send_big_packet ($pkt)
2989
2990Like C<send_packet>, but tries to compress large packets, and fragments
2991them as required.
2992
2993=cut
2994
2995our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2996
2997sub cf::client::send_big_packet {
2998 my ($self, $pkt) = @_;
2999
3000 # try lzf for large packets
3001 $pkt = "lzf " . Compress::LZF::compress $pkt
3002 if 1024 <= length $pkt and $self->{can_lzf};
3003
3004 # split very large packets
3005 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
3006 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
3007 $pkt = "frag";
3008 }
3009
3010 $self->send_packet ($pkt);
3011}
3012
2398=item $client->send_msg ($color, $type, $msg, [extra...]) 3013=item $client->send_msg ($channel, $msg, $color, [extra...])
2399 3014
2400Send a drawinfo or msg packet to the client, formatting the msg for the 3015Send a drawinfo or msg packet to the client, formatting the msg for the
2401client if neccessary. C<$type> should be a string identifying the type of 3016client if neccessary. C<$type> should be a string identifying the type of
2402the message, with C<log> being the default. If C<$color> is negative, suppress 3017the message, with C<log> being the default. If C<$color> is negative, suppress
2403the message unless the client supports the msg packet. 3018the message unless the client supports the msg packet.
2404 3019
2405=cut 3020=cut
2406 3021
3022# non-persistent channels (usually the info channel)
3023our %CHANNEL = (
3024 "c/motd" => {
3025 id => "infobox",
3026 title => "MOTD",
3027 reply => undef,
3028 tooltip => "The message of the day",
3029 },
3030 "c/identify" => {
3031 id => "infobox",
3032 title => "Identify",
3033 reply => undef,
3034 tooltip => "Items recently identified",
3035 },
3036 "c/examine" => {
3037 id => "infobox",
3038 title => "Examine",
3039 reply => undef,
3040 tooltip => "Signs and other items you examined",
3041 },
3042 "c/shopinfo" => {
3043 id => "infobox",
3044 title => "Shop Info",
3045 reply => undef,
3046 tooltip => "What your bargaining skill tells you about the shop",
3047 },
3048 "c/book" => {
3049 id => "infobox",
3050 title => "Book",
3051 reply => undef,
3052 tooltip => "The contents of a note or book",
3053 },
3054 "c/lookat" => {
3055 id => "infobox",
3056 title => "Look",
3057 reply => undef,
3058 tooltip => "What you saw there",
3059 },
3060 "c/who" => {
3061 id => "infobox",
3062 title => "Players",
3063 reply => undef,
3064 tooltip => "Shows players who are currently online",
3065 },
3066 "c/body" => {
3067 id => "infobox",
3068 title => "Body Parts",
3069 reply => undef,
3070 tooltip => "Shows which body parts you posess and are available",
3071 },
3072 "c/statistics" => {
3073 id => "infobox",
3074 title => "Statistics",
3075 reply => undef,
3076 tooltip => "Shows your primary statistics",
3077 },
3078 "c/skills" => {
3079 id => "infobox",
3080 title => "Skills",
3081 reply => undef,
3082 tooltip => "Shows your experience per skill and item power",
3083 },
3084 "c/shopitems" => {
3085 id => "infobox",
3086 title => "Shop Items",
3087 reply => undef,
3088 tooltip => "Shows the items currently for sale in this shop",
3089 },
3090 "c/resistances" => {
3091 id => "infobox",
3092 title => "Resistances",
3093 reply => undef,
3094 tooltip => "Shows your resistances",
3095 },
3096 "c/pets" => {
3097 id => "infobox",
3098 title => "Pets",
3099 reply => undef,
3100 tooltip => "Shows information abotu your pets/a specific pet",
3101 },
3102 "c/perceiveself" => {
3103 id => "infobox",
3104 title => "Perceive Self",
3105 reply => undef,
3106 tooltip => "You gained detailed knowledge about yourself",
3107 },
3108 "c/uptime" => {
3109 id => "infobox",
3110 title => "Uptime",
3111 reply => undef,
3112 tooltip => "How long the server has been running since last restart",
3113 },
3114 "c/mapinfo" => {
3115 id => "infobox",
3116 title => "Map Info",
3117 reply => undef,
3118 tooltip => "Information related to the maps",
3119 },
3120 "c/party" => {
3121 id => "party",
3122 title => "Party",
3123 reply => "gsay ",
3124 tooltip => "Messages and chat related to your party",
3125 },
3126 "c/death" => {
3127 id => "death",
3128 title => "Death",
3129 reply => undef,
3130 tooltip => "Reason for and more info about your most recent death",
3131 },
3132 "c/say" => $SAY_CHANNEL,
3133 "c/chat" => $CHAT_CHANNEL,
3134);
3135
2407sub cf::client::send_msg { 3136sub cf::client::send_msg {
2408 my ($self, $color, $type, $msg, @extra) = @_; 3137 my ($self, $channel, $msg, $color, @extra) = @_;
2409 3138
2410 $msg = $self->pl->expand_cfpod ($msg); 3139 $msg = $self->pl->expand_cfpod ($msg)
3140 unless $color & cf::NDI_VERBATIM;
3141
3142 $color &= cf::NDI_CLIENT_MASK; # just in case...
3143
3144 # check predefined channels, for the benefit of C
3145 if ($CHANNEL{$channel}) {
3146 $channel = $CHANNEL{$channel};
3147
3148 $self->ext_msg (channel_info => $channel);
3149 $channel = $channel->{id};
3150
3151 } elsif (ref $channel) {
3152 # send meta info to client, if not yet sent
3153 unless (exists $self->{channel}{$channel->{id}}) {
3154 $self->{channel}{$channel->{id}} = $channel;
3155 $self->ext_msg (channel_info => $channel);
3156 }
3157
3158 $channel = $channel->{id};
3159 }
2411 3160
2412 return unless @extra || length $msg; 3161 return unless @extra || length $msg;
2413 3162
2414 if ($self->can_msg) { 3163 # default colour, mask it out
2415 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 3164 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416 } else { 3165 if $color & cf::NDI_DEF;
2417 # replace some tags by gcfclient-compatible ones
2418 for ($msg) {
2419 1 while
2420 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425 }
2426 3166
2427 if ($color >= 0) { 3167 my $pkt = "msg "
2428 if (0 && $msg =~ /\[/) { 3168 . $self->{json_coder}->encode (
2429 $self->send_packet ("drawextinfo $color 4 0 $msg") 3169 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430 } else { 3170 );
2431 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432 $self->send_packet ("drawinfo $color $msg")
2433 }
2434 }
2435 }
2436}
2437 3171
3172 $self->send_big_packet ($pkt);
3173}
3174
2438=item $client->ext_event ($type, %msg) 3175=item $client->ext_msg ($type, @msg)
2439 3176
2440Sends an ext event to the client. 3177Sends an ext event to the client.
2441 3178
2442=cut 3179=cut
2443 3180
2444sub cf::client::ext_event($$%) { 3181sub cf::client::ext_msg($$@) {
2445 my ($self, $type, %msg) = @_; 3182 my ($self, $type, @msg) = @_;
2446 3183
3184 if ($self->extcmd == 2) {
3185 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3186 } elsif ($self->extcmd == 1) { # TODO: remove
2447 $msg{msgtype} = "event_$type"; 3187 push @msg, msgtype => "event_$type";
2448 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3188 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3189 }
3190}
3191
3192=item $client->ext_reply ($msgid, @msg)
3193
3194Sends an ext reply to the client.
3195
3196=cut
3197
3198sub cf::client::ext_reply($$@) {
3199 my ($self, $id, @msg) = @_;
3200
3201 if ($self->extcmd == 2) {
3202 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3203 } elsif ($self->extcmd == 1) {
3204 #TODO: version 1, remove
3205 unshift @msg, msgtype => "reply", msgid => $id;
3206 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3207 }
2449} 3208}
2450 3209
2451=item $success = $client->query ($flags, "text", \&cb) 3210=item $success = $client->query ($flags, "text", \&cb)
2452 3211
2453Queues a query to the client, calling the given callback with 3212Queues a query to the client, calling the given callback with
2508 my ($ns, $buf) = @_; 3267 my ($ns, $buf) = @_;
2509 3268
2510 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3269 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511 3270
2512 if (ref $msg) { 3271 if (ref $msg) {
3272 my ($type, $reply, @payload) =
3273 "ARRAY" eq ref $msg
3274 ? @$msg
3275 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3276
3277 my @reply;
3278
2513 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3279 if (my $cb = $EXTICMD{$type}) {
2514 if (my %reply = $cb->($ns, $msg)) { 3280 @reply = $cb->($ns, @payload);
2515 $reply{msgid} = $msg->{msgid};
2516 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2517 }
2518 } 3281 }
3282
3283 $ns->ext_reply ($reply, @reply)
3284 if $reply;
3285
2519 } else { 3286 } else {
2520 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3287 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521 } 3288 }
2522 3289
2523 cf::override; 3290 cf::override;
2524 }, 3291 },
2525); 3292);
2545 3312
2546 $coro 3313 $coro
2547} 3314}
2548 3315
2549cf::client->attach ( 3316cf::client->attach (
2550 on_destroy => sub { 3317 on_client_destroy => sub {
2551 my ($ns) = @_; 3318 my ($ns) = @_;
2552 3319
2553 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3320 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554 }, 3321 },
2555); 3322);
2570our $safe = new Safe "safe"; 3337our $safe = new Safe "safe";
2571our $safe_hole = new Safe::Hole; 3338our $safe_hole = new Safe::Hole;
2572 3339
2573$SIG{FPE} = 'IGNORE'; 3340$SIG{FPE} = 'IGNORE';
2574 3341
2575$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3342$safe->permit_only (Opcode::opset qw(
3343 :base_core :base_mem :base_orig :base_math :base_loop
3344 grepstart grepwhile mapstart mapwhile
3345 sort time
3346));
2576 3347
2577# here we export the classes and methods available to script code 3348# here we export the classes and methods available to script code
2578 3349
2579=pod 3350=pod
2580 3351
2581The following functions and methods are available within a safe environment: 3352The following functions and methods are available within a safe environment:
2582 3353
2583 cf::object contr pay_amount pay_player map 3354 cf::object
3355 contr pay_amount pay_player map x y force_find force_add destroy
3356 insert remove name archname title slaying race decrease split
3357 value
3358
2584 cf::object::player player 3359 cf::object::player
2585 cf::player peaceful 3360 player
2586 cf::map trigger 3361
3362 cf::player
3363 peaceful
3364
3365 cf::map
3366 trigger
2587 3367
2588=cut 3368=cut
2589 3369
2590for ( 3370for (
2591 ["cf::object" => qw(contr pay_amount pay_player map)], 3371 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3372 insert remove inv nrof name archname title slaying race
3373 decrease split destroy change_exp value msg lore send_msg)],
2592 ["cf::object::player" => qw(player)], 3374 ["cf::object::player" => qw(player)],
2593 ["cf::player" => qw(peaceful)], 3375 ["cf::player" => qw(peaceful send_msg)],
2594 ["cf::map" => qw(trigger)], 3376 ["cf::map" => qw(trigger)],
2595) { 3377) {
2596 no strict 'refs';
2597 my ($pkg, @funs) = @$_; 3378 my ($pkg, @funs) = @$_;
2598 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3379 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599 for @funs; 3380 for @funs;
2600} 3381}
2601 3382
2616 3397
2617 my $qcode = $code; 3398 my $qcode = $code;
2618 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3399 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2619 $qcode =~ s/\n/\\n/g; 3400 $qcode =~ s/\n/\\n/g;
2620 3401
3402 %vars = (_dummy => 0) unless %vars;
3403
3404 my @res;
2621 local $_; 3405 local $_;
2622 local @safe::cf::_safe_eval_args = values %vars;
2623 3406
2624 my $eval = 3407 my $eval =
2625 "do {\n" 3408 "do {\n"
2626 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3409 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627 . "#line 0 \"{$qcode}\"\n" 3410 . "#line 0 \"{$qcode}\"\n"
2628 . $code 3411 . $code
2629 . "\n}" 3412 . "\n}"
2630 ; 3413 ;
2631 3414
3415 if ($CFG{safe_eval}) {
2632 sub_generation_inc; 3416 sub_generation_inc;
3417 local @safe::cf::_safe_eval_args = values %vars;
2633 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3418 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634 sub_generation_inc; 3419 sub_generation_inc;
3420 } else {
3421 local @cf::_safe_eval_args = values %vars;
3422 @res = wantarray ? eval eval : scalar eval $eval;
3423 }
2635 3424
2636 if ($@) { 3425 if ($@) {
2637 warn "$@"; 3426 warn "$@",
2638 warn "while executing safe code '$code'\n"; 3427 "while executing safe code '$code'\n",
2639 warn "with arguments " . (join " ", %vars) . "\n"; 3428 "with arguments " . (join " ", %vars) . "\n";
2640 } 3429 }
2641 3430
2642 wantarray ? @res : $res[0] 3431 wantarray ? @res : $res[0]
2643} 3432}
2644 3433
2658=cut 3447=cut
2659 3448
2660sub register_script_function { 3449sub register_script_function {
2661 my ($fun, $cb) = @_; 3450 my ($fun, $cb) = @_;
2662 3451
2663 no strict 'refs'; 3452 $fun = "safe::$fun" if $CFG{safe_eval};
2664 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3453 *$fun = $safe_hole->wrap ($cb);
2665} 3454}
2666 3455
2667=back 3456=back
2668 3457
2669=cut 3458=cut
2672# the server's init and main functions 3461# the server's init and main functions
2673 3462
2674sub load_facedata($) { 3463sub load_facedata($) {
2675 my ($path) = @_; 3464 my ($path) = @_;
2676 3465
3466 # HACK to clear player env face cache, we need some signal framework
3467 # for this (global event?)
3468 %ext::player_env::MUSIC_FACE_CACHE = ();
3469
3470 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3471
2677 warn "loading facedata from $path\n"; 3472 trace "loading facedata from $path\n";
2678 3473
2679 my $facedata; 3474 my $facedata = decode_storable load_file $path;
2680 0 < aio_load $path, $facedata
2681 or die "$path: $!";
2682
2683 $facedata = Coro::Storable::thaw $facedata;
2684 3475
2685 $facedata->{version} == 2 3476 $facedata->{version} == 2
2686 or cf::cleanup "$path: version mismatch, cannot proceed."; 3477 or cf::cleanup "$path: version mismatch, cannot proceed.";
2687 3478
3479 # patch in the exptable
3480 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3481 $facedata->{resource}{"res/exp_table"} = {
3482 type => FT_RSRC,
3483 data => $exp_table,
3484 hash => (Digest::MD5::md5 $exp_table),
3485 };
3486 cf::cede_to_tick;
3487
2688 { 3488 {
2689 my $faces = $facedata->{faceinfo}; 3489 my $faces = $facedata->{faceinfo};
2690 3490
2691 while (my ($face, $info) = each %$faces) { 3491 while (my ($face, $info) = each %$faces) {
2692 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3492 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3493
2693 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3494 cf::face::set_visibility $idx, $info->{visibility};
3495 cf::face::set_magicmap $idx, $info->{magicmap};
2694 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3496 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2695 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3497 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2696 Coro::cede; 3498 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3499
3500 cf::cede_to_tick;
2697 } 3501 }
2698 3502
2699 while (my ($face, $info) = each %$faces) { 3503 while (my ($face, $info) = each %$faces) {
2700 next unless $info->{smooth}; 3504 next unless $info->{smooth};
3505
2701 my $idx = cf::face::find $face 3506 my $idx = cf::face::find $face
2702 or next; 3507 or next;
3508
2703 if (my $smooth = cf::face::find $info->{smooth}) { 3509 if (my $smooth = cf::face::find $info->{smooth}) {
3510 cf::face::set_smooth $idx, $smooth;
2704 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3511 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705 } else { 3512 } else {
2706 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3513 error "smooth face '$info->{smooth}' not found for face '$face'";
2707 } 3514 }
2708 Coro::cede; 3515
3516 cf::cede_to_tick;
2709 } 3517 }
2710 } 3518 }
2711 3519
2712 { 3520 {
2713 my $anims = $facedata->{animinfo}; 3521 my $anims = $facedata->{animinfo};
2714 3522
2715 while (my ($anim, $info) = each %$anims) { 3523 while (my ($anim, $info) = each %$anims) {
2716 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3524 cf::anim::set $anim, $info->{frames}, $info->{facings};
2717 Coro::cede; 3525 cf::cede_to_tick;
2718 } 3526 }
2719 3527
2720 cf::anim::invalidate_all; # d'oh 3528 cf::anim::invalidate_all; # d'oh
2721 } 3529 }
2722 3530
3531 {
3532 my $res = $facedata->{resource};
3533
3534 while (my ($name, $info) = each %$res) {
3535 if (defined $info->{type}) {
3536 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3537
3538 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3539 cf::face::set_type $idx, $info->{type};
3540 } else {
3541 $RESOURCE{$name} = $info; # unused
3542 }
3543
3544 cf::cede_to_tick;
3545 }
3546 }
3547
3548 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3549
2723 1 3550 1
2724} 3551}
2725 3552
3553register_exticmd fx_want => sub {
3554 my ($ns, $want) = @_;
3555
3556 while (my ($k, $v) = each %$want) {
3557 $ns->fx_want ($k, $v);
3558 }
3559};
3560
3561sub load_resource_file($) {
3562 my $guard = lock_acquire "load_resource_file";
3563
3564 my $status = load_resource_file_ $_[0];
3565 get_slot 0.1, 100;
3566 cf::arch::commit_load;
3567
3568 $status
3569}
3570
2726sub reload_regions { 3571sub reload_regions {
3572 # HACK to clear player env face cache, we need some signal framework
3573 # for this (global event?)
3574 %ext::player_env::MUSIC_FACE_CACHE = ();
3575
2727 load_resource_file "$MAPDIR/regions" 3576 load_resource_file "$MAPDIR/regions"
2728 or die "unable to load regions file\n"; 3577 or die "unable to load regions file\n";
3578
3579 for (cf::region::list) {
3580 $_->{match} = qr/$_->{match}/
3581 if exists $_->{match};
3582 }
2729} 3583}
2730 3584
2731sub reload_facedata { 3585sub reload_facedata {
2732 load_facedata "$DATADIR/facedata" 3586 load_facedata "$DATADIR/facedata"
2733 or die "unable to load facedata\n"; 3587 or die "unable to load facedata\n";
2734} 3588}
2735 3589
2736sub reload_archetypes { 3590sub reload_archetypes {
2737 load_resource_file "$DATADIR/archetypes" 3591 load_resource_file "$DATADIR/archetypes"
2738 or die "unable to load archetypes\n"; 3592 or die "unable to load archetypes\n";
2739 #d# NEED to laod twice to resolve forward references
2740 # this really needs to be done in an extra post-pass
2741 # (which needs to be synchronous, so solve it differently)
2742 load_resource_file "$DATADIR/archetypes"
2743 or die "unable to load archetypes\n";
2744} 3593}
2745 3594
2746sub reload_treasures { 3595sub reload_treasures {
2747 load_resource_file "$DATADIR/treasures" 3596 load_resource_file "$DATADIR/treasures"
2748 or die "unable to load treasurelists\n"; 3597 or die "unable to load treasurelists\n";
2749} 3598}
2750 3599
3600sub reload_sound {
3601 trace "loading sound config from $DATADIR/sound\n";
3602
3603 my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
3604
3605 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3606 my $sound = $soundconf->{compat}[$_]
3607 or next;
3608
3609 my $face = cf::face::find "sound/$sound->[1]";
3610 cf::sound::set $sound->[0] => $face;
3611 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3612 }
3613
3614 while (my ($k, $v) = each %{$soundconf->{event}}) {
3615 my $face = cf::face::find "sound/$v";
3616 cf::sound::set $k => $face;
3617 }
3618}
3619
2751sub reload_resources { 3620sub reload_resources {
2752 warn "reloading resource files...\n"; 3621 trace "reloading resource files...\n";
2753 3622
3623 reload_exp_table;
3624 reload_materials;
3625 reload_facedata;
3626 reload_sound;
3627 reload_archetypes;
2754 reload_regions; 3628 reload_regions;
2755 reload_facedata;
2756 #reload_archetypes;#d#
2757 reload_archetypes;
2758 reload_treasures; 3629 reload_treasures;
2759 3630
2760 warn "finished reloading resource files\n"; 3631 trace "finished reloading resource files\n";
2761} 3632}
2762 3633
2763sub init { 3634sub reload_config {
2764 reload_resources; 3635 trace "reloading config file...\n";
2765}
2766 3636
2767sub cfg_load { 3637 my $config = load_file "$CONFDIR/config";
2768 open my $fh, "<:utf8", "$CONFDIR/config" 3638 utf8::decode $config;
2769 or return; 3639 *CFG = decode_yaml $config;
2770 3640
2771 local $/;
2772 *CFG = YAML::Syck::Load <$fh>;
2773
2774 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3641 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775 3642
2776 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3643 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3644 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778 3645
2779 if (exists $CFG{mlockall}) { 3646 if (exists $CFG{mlockall}) {
2783 }; 3650 };
2784 warn $@ if $@; 3651 warn $@ if $@;
2785 } 3652 }
2786} 3653}
2787 3654
3655sub pidfile() {
3656 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3657 or die "$PIDFILE: $!";
3658 flock $fh, &Fcntl::LOCK_EX
3659 or die "$PIDFILE: flock: $!";
3660 $fh
3661}
3662
3663# make sure only one server instance is running at any one time
3664sub atomic {
3665 my $fh = pidfile;
3666
3667 my $pid = <$fh>;
3668 kill 9, $pid if $pid > 0;
3669
3670 seek $fh, 0, 0;
3671 print $fh $$;
3672}
3673
3674sub main_loop {
3675 trace "EV::loop starting\n";
3676 if (1) {
3677 EV::loop;
3678 }
3679 trace "EV::loop returned\n";
3680 goto &main_loop unless $REALLY_UNLOOP;
3681}
3682
2788sub main { 3683sub main {
3684 cf::init_globals; # initialise logging
3685
3686 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3687 LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3688 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3689 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3690
3691 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3692
2789 # we must not ever block the main coroutine 3693 # we must not ever block the main coroutine
2790 local $Coro::idle = sub { 3694 local $Coro::idle = sub {
2791 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3695 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792 (async { 3696 (async {
2793 Event::one_event; 3697 $Coro::current->{desc} = "IDLE BUG HANDLER";
3698 EV::loop EV::LOOP_ONESHOT;
2794 })->prio (Coro::PRIO_MAX); 3699 })->prio (Coro::PRIO_MAX);
2795 }; 3700 };
2796 3701
2797 cfg_load; 3702 evthread_start IO::AIO::poll_fileno;
3703
3704 cf::sync_job {
3705 cf::incloader::init ();
3706
3707 cf::init_anim;
3708 cf::init_attackmess;
3709 cf::init_dynamic;
3710
3711 cf::load_settings;
3712
3713 reload_resources;
3714 reload_config;
2798 db_init; 3715 db_init;
3716
3717 cf::init_uuid;
3718 cf::init_signals;
3719 cf::init_skills;
3720
3721 cf::init_beforeplay;
3722
3723 atomic;
3724
2799 load_extensions; 3725 load_extensions;
2800 3726
2801 $TICK_WATCHER->start; 3727 utime time, time, $RUNTIMEFILE;
2802 Event::loop; 3728
3729 # no (long-running) fork's whatsoever before this point(!)
3730 use POSIX ();
3731 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3732
3733 cf::_post_init 0;
3734 };
3735
3736 cf::object::thawer::errors_are_fatal 0;
3737 info "parse errors in files are no longer fatal from this point on.\n";
3738
3739 my $free_main; $free_main = EV::idle sub {
3740 undef $free_main;
3741 undef &main; # free gobs of memory :)
3742 };
3743
3744 goto &main_loop;
2803} 3745}
2804 3746
2805############################################################################# 3747#############################################################################
2806# initialisation and cleanup 3748# initialisation and cleanup
2807 3749
2808# install some emergency cleanup handlers 3750# install some emergency cleanup handlers
2809BEGIN { 3751BEGIN {
3752 our %SIGWATCHER = ();
2810 for my $signal (qw(INT HUP TERM)) { 3753 for my $signal (qw(INT HUP TERM)) {
2811 Event->signal ( 3754 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2812 reentrant => 0,
2813 data => WF_AUTOCANCEL,
2814 signal => $signal,
2815 prio => 0,
2816 cb => sub {
2817 cf::cleanup "SIG$signal"; 3755 cf::cleanup "SIG$signal";
2818 },
2819 ); 3756 };
2820 } 3757 }
2821} 3758}
2822 3759
2823sub write_runtime { 3760sub write_runtime_sync {
2824 my $runtime = "$LOCALDIR/runtime"; 3761 my $t0 = AE::time;
2825 3762
2826 # first touch the runtime file to show we are still running: 3763 # first touch the runtime file to show we are still running:
2827 # the fsync below can take a very very long time. 3764 # the fsync below can take a very very long time.
2828 3765
2829 IO::AIO::aio_utime $runtime, undef, undef; 3766 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830 3767
2831 my $guard = cf::lock_acquire "write_runtime"; 3768 my $guard = cf::lock_acquire "write_runtime";
2832 3769
2833 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3770 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834 or return; 3771 or return;
2835 3772
2836 my $value = $cf::RUNTIME + 90 + 10; 3773 my $value = $cf::RUNTIME + 90 + 10;
2837 # 10 is the runtime save interval, for a monotonic clock 3774 # 10 is the runtime save interval, for a monotonic clock
2838 # 60 allows for the watchdog to kill the server. 3775 # 60 allows for the watchdog to kill the server.
2848 aio_utime $fh, undef, undef; 3785 aio_utime $fh, undef, undef;
2849 3786
2850 close $fh 3787 close $fh
2851 or return; 3788 or return;
2852 3789
2853 aio_rename "$runtime~", $runtime 3790 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854 and return; 3791 and return;
2855 3792
2856 warn "runtime file written.\n"; 3793 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857 3794
2858 1 3795 1
3796}
3797
3798our $uuid_lock;
3799our $uuid_skip;
3800
3801sub write_uuid_sync($) {
3802 $uuid_skip ||= $_[0];
3803
3804 return if $uuid_lock;
3805 local $uuid_lock = 1;
3806
3807 my $uuid = "$LOCALDIR/uuid";
3808
3809 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3810 or return;
3811
3812 my $value = uuid_seq uuid_cur;
3813
3814 unless ($value) {
3815 info "cowardly refusing to write zero uuid value!\n";
3816 return;
3817 }
3818
3819 my $value = uuid_str $value + $uuid_skip;
3820 $uuid_skip = 0;
3821
3822 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3823 and return;
3824
3825 # always fsync - this file is important
3826 aio_fsync $fh
3827 and return;
3828
3829 close $fh
3830 or return;
3831
3832 aio_rename "$uuid~", $uuid
3833 and return;
3834
3835 trace "uuid file written ($value).\n";
3836
3837 1
3838
3839}
3840
3841sub write_uuid($$) {
3842 my ($skip, $sync) = @_;
3843
3844 $sync ? write_uuid_sync $skip
3845 : async { write_uuid_sync $skip };
2859} 3846}
2860 3847
2861sub emergency_save() { 3848sub emergency_save() {
2862 my $freeze_guard = cf::freeze_mainloop; 3849 my $freeze_guard = cf::freeze_mainloop;
2863 3850
2864 warn "enter emergency perl save\n"; 3851 info "emergency_perl_save: enter\n";
3852
3853 # this is a trade-off: we want to be very quick here, so
3854 # save all maps without fsync, and later call a global sync
3855 # (which in turn might be very very slow)
3856 local $USE_FSYNC = 0;
2865 3857
2866 cf::sync_job { 3858 cf::sync_job {
3859 cf::write_runtime_sync; # external watchdog should not bark
3860
2867 # use a peculiar iteration method to avoid tripping on perl 3861 # use a peculiar iteration method to avoid tripping on perl
2868 # refcount bugs in for. also avoids problems with players 3862 # refcount bugs in for. also avoids problems with players
2869 # and maps saved/destroyed asynchronously. 3863 # and maps saved/destroyed asynchronously.
2870 warn "begin emergency player save\n"; 3864 info "emergency_perl_save: begin player save\n";
2871 for my $login (keys %cf::PLAYER) { 3865 for my $login (keys %cf::PLAYER) {
2872 my $pl = $cf::PLAYER{$login} or next; 3866 my $pl = $cf::PLAYER{$login} or next;
2873 $pl->valid or next; 3867 $pl->valid or next;
3868 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874 $pl->save; 3869 $pl->save;
2875 } 3870 }
2876 warn "end emergency player save\n"; 3871 info "emergency_perl_save: end player save\n";
2877 3872
2878 warn "begin emergency map save\n"; 3873 cf::write_runtime_sync; # external watchdog should not bark
3874
3875 info "emergency_perl_save: begin map save\n";
2879 for my $path (keys %cf::MAP) { 3876 for my $path (keys %cf::MAP) {
2880 my $map = $cf::MAP{$path} or next; 3877 my $map = $cf::MAP{$path} or next;
2881 $map->valid or next; 3878 $map->valid or next;
2882 $map->save; 3879 $map->save;
2883 } 3880 }
2884 warn "end emergency map save\n"; 3881 info "emergency_perl_save: end map save\n";
2885 3882
2886 warn "begin emergency database checkpoint\n"; 3883 cf::write_runtime_sync; # external watchdog should not bark
3884
3885 info "emergency_perl_save: begin database checkpoint\n";
2887 BDB::db_env_txn_checkpoint $DB_ENV; 3886 BDB::db_env_txn_checkpoint $DB_ENV;
2888 warn "end emergency database checkpoint\n"; 3887 info "emergency_perl_save: end database checkpoint\n";
3888
3889 info "emergency_perl_save: begin write uuid\n";
3890 write_uuid_sync 1;
3891 info "emergency_perl_save: end write uuid\n";
3892
3893 cf::write_runtime_sync; # external watchdog should not bark
3894
3895 trace "emergency_perl_save: syncing database to disk";
3896 BDB::db_env_txn_checkpoint $DB_ENV;
3897
3898 info "emergency_perl_save: starting sync\n";
3899 IO::AIO::aio_sync sub {
3900 info "emergency_perl_save: finished sync\n";
3901 };
3902
3903 cf::write_runtime_sync; # external watchdog should not bark
3904
3905 trace "emergency_perl_save: flushing outstanding aio requests";
3906 while (IO::AIO::nreqs || BDB::nreqs) {
3907 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3908 }
3909
3910 cf::write_runtime_sync; # external watchdog should not bark
2889 }; 3911 };
2890 3912
2891 warn "leave emergency perl save\n"; 3913 info "emergency_perl_save: leave\n";
2892} 3914}
2893 3915
2894sub post_cleanup { 3916sub post_cleanup {
2895 my ($make_core) = @_; 3917 my ($make_core) = @_;
2896 3918
3919 IO::AIO::flush;
3920
2897 warn Carp::longmess "post_cleanup backtrace" 3921 error Carp::longmess "post_cleanup backtrace"
2898 if $make_core; 3922 if $make_core;
3923
3924 my $fh = pidfile;
3925 unlink $PIDFILE if <$fh> == $$;
3926}
3927
3928# a safer delete_package, copied from Symbol
3929sub clear_package($) {
3930 my $pkg = shift;
3931
3932 # expand to full symbol table name if needed
3933 unless ($pkg =~ /^main::.*::$/) {
3934 $pkg = "main$pkg" if $pkg =~ /^::/;
3935 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3936 $pkg .= '::' unless $pkg =~ /::$/;
3937 }
3938
3939 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3940 my $stem_symtab = *{$stem}{HASH};
3941
3942 defined $stem_symtab and exists $stem_symtab->{$leaf}
3943 or return;
3944
3945 # clear all symbols
3946 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3947 for my $name (keys %$leaf_symtab) {
3948 _gv_clear *{"$pkg$name"};
3949# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3950 }
2899} 3951}
2900 3952
2901sub do_reload_perl() { 3953sub do_reload_perl() {
2902 # can/must only be called in main 3954 # can/must only be called in main
2903 if ($Coro::current != $Coro::main) { 3955 unless (in_main) {
2904 warn "can only reload from main coroutine"; 3956 error "can only reload from main coroutine";
2905 return; 3957 return;
2906 } 3958 }
2907 3959
2908 warn "reloading..."; 3960 return if $RELOAD++;
2909 3961
2910 warn "entering sync_job"; 3962 my $t1 = AE::time;
2911 3963
3964 while ($RELOAD) {
3965 cf::get_slot 0.1, -1, "reload_perl";
3966 info "perl_reload: reloading...";
3967
3968 trace "perl_reload: entering sync_job";
3969
2912 cf::sync_job { 3970 cf::sync_job {
2913 cf::write_runtime; # external watchdog should not bark
2914 cf::emergency_save; 3971 #cf::emergency_save;
2915 cf::write_runtime; # external watchdog should not bark
2916 3972
2917 warn "syncing database to disk";
2918 BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920 # if anything goes wrong in here, we should simply crash as we already saved
2921
2922 warn "cancelling all WF_AUTOCANCEL watchers";
2923 for (Event::all_watchers) {
2924 $_->cancel if $_->data & WF_AUTOCANCEL;
2925 }
2926
2927 warn "flushing outstanding aio requests";
2928 for (;;) {
2929 BDB::flush;
2930 IO::AIO::flush;
2931 Coro::cede;
2932 last unless IO::AIO::nreqs || BDB::nreqs;
2933 warn "iterate...";
2934 }
2935
2936 ++$RELOAD;
2937
2938 warn "cancelling all extension coros"; 3973 trace "perl_reload: cancelling all extension coros";
2939 $_->cancel for values %EXT_CORO; 3974 $_->cancel for values %EXT_CORO;
2940 %EXT_CORO = (); 3975 %EXT_CORO = ();
2941 3976
2942 warn "removing commands"; 3977 trace "perl_reload: removing commands";
2943 %COMMAND = (); 3978 %COMMAND = ();
2944 3979
2945 warn "removing ext/exti commands"; 3980 trace "perl_reload: removing ext/exti commands";
2946 %EXTCMD = (); 3981 %EXTCMD = ();
2947 %EXTICMD = (); 3982 %EXTICMD = ();
2948 3983
2949 warn "unloading/nuking all extensions"; 3984 trace "perl_reload: unloading/nuking all extensions";
2950 for my $pkg (@EXTS) { 3985 for my $pkg (@EXTS) {
2951 warn "... unloading $pkg"; 3986 trace "... unloading $pkg";
2952 3987
2953 if (my $cb = $pkg->can ("unload")) { 3988 if (my $cb = $pkg->can ("unload")) {
2954 eval { 3989 eval {
2955 $cb->($pkg); 3990 $cb->($pkg);
2956 1 3991 1
2957 } or warn "$pkg unloaded, but with errors: $@"; 3992 } or error "$pkg unloaded, but with errors: $@";
3993 }
3994
3995 trace "... clearing $pkg";
3996 clear_package $pkg;
2958 } 3997 }
2959 3998
2960 warn "... nuking $pkg";
2961 Symbol::delete_package $pkg;
2962 }
2963
2964 warn "unloading all perl modules loaded from $LIBDIR"; 3999 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965 while (my ($k, $v) = each %INC) { 4000 while (my ($k, $v) = each %INC) {
2966 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 4001 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967 4002
2968 warn "... unloading $k"; 4003 trace "... unloading $k";
2969 delete $INC{$k}; 4004 delete $INC{$k};
2970 4005
2971 $k =~ s/\.pm$//; 4006 $k =~ s/\.pm$//;
2972 $k =~ s/\//::/g; 4007 $k =~ s/\//::/g;
2973 4008
2974 if (my $cb = $k->can ("unload_module")) { 4009 if (my $cb = $k->can ("unload_module")) {
2975 $cb->(); 4010 $cb->();
4011 }
4012
4013 clear_package $k;
2976 } 4014 }
2977 4015
2978 Symbol::delete_package $k;
2979 }
2980
2981 warn "getting rid of safe::, as good as possible"; 4016 trace "perl_reload: getting rid of safe::, as good as possible";
2982 Symbol::delete_package "safe::$_" 4017 clear_package "safe::$_"
2983 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 4018 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984 4019
2985 warn "unloading cf.pm \"a bit\""; 4020 trace "perl_reload: unloading cf.pm \"a bit\"";
2986 delete $INC{"cf.pm"}; 4021 delete $INC{"cf.pm"};
2987 delete $INC{"cf/pod.pm"}; 4022 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988 4023
2989 # don't, removes xs symbols, too, 4024 # don't, removes xs symbols, too,
2990 # and global variables created in xs 4025 # and global variables created in xs
2991 #Symbol::delete_package __PACKAGE__; 4026 #clear_package __PACKAGE__;
2992 4027
2993 warn "unload completed, starting to reload now"; 4028 info "perl_reload: unload completed, starting to reload now";
2994 4029
2995 warn "reloading cf.pm"; 4030 trace "perl_reload: reloading cf.pm";
2996 require cf; 4031 require cf;
2997 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 4032 cf::_connect_to_perl_1;
2998 4033
2999 warn "loading config and database again"; 4034 trace "perl_reload: loading config and database again";
3000 cf::cfg_load; 4035 cf::reload_config;
3001 4036
3002 warn "loading extensions"; 4037 trace "perl_reload: loading extensions";
3003 cf::load_extensions; 4038 cf::load_extensions;
3004 4039
4040 if ($REATTACH_ON_RELOAD) {
3005 warn "reattaching attachments to objects/players"; 4041 trace "perl_reload: reattaching attachments to objects/players";
3006 _global_reattach; # objects, sockets 4042 _global_reattach; # objects, sockets
3007 warn "reattaching attachments to maps"; 4043 trace "perl_reload: reattaching attachments to maps";
3008 reattach $_ for values %MAP; 4044 reattach $_ for values %MAP;
3009 warn "reattaching attachments to players"; 4045 trace "perl_reload: reattaching attachments to players";
3010 reattach $_ for values %PLAYER; 4046 reattach $_ for values %PLAYER;
4047 }
3011 4048
3012 warn "leaving sync_job"; 4049 cf::_post_init 1;
3013 4050
4051 trace "perl_reload: leaving sync_job";
4052
3014 1 4053 1
3015 } or do { 4054 } or do {
3016 warn $@; 4055 error $@;
3017 warn "error while reloading, exiting."; 4056 cf::cleanup "perl_reload: error, exiting.";
3018 exit 1; 4057 };
4058
4059 --$RELOAD;
3019 }; 4060 }
3020 4061
3021 warn "reloaded"; 4062 $t1 = AE::time - $t1;
4063 info "perl_reload: completed in ${t1}s\n";
3022}; 4064};
3023 4065
3024our $RELOAD_WATCHER; # used only during reload 4066our $RELOAD_WATCHER; # used only during reload
3025 4067
3026sub reload_perl() { 4068sub reload_perl() {
3027 # doing reload synchronously and two reloads happen back-to-back, 4069 # doing reload synchronously and two reloads happen back-to-back,
3028 # coro crashes during coro_state_free->destroy here. 4070 # coro crashes during coro_state_free->destroy here.
3029 4071
3030 $RELOAD_WATCHER ||= Event->timer ( 4072 $RELOAD_WATCHER ||= cf::async {
3031 reentrant => 0, 4073 Coro::AIO::aio_wait cache_extensions;
3032 after => 0, 4074
3033 data => WF_AUTOCANCEL, 4075 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034 cb => sub {
3035 do_reload_perl; 4076 do_reload_perl;
3036 undef $RELOAD_WATCHER; 4077 undef $RELOAD_WATCHER;
3037 }, 4078 };
3038 ); 4079 };
3039} 4080}
3040 4081
3041register_command "reload" => sub { 4082register_command "reload" => sub {
3042 my ($who, $arg) = @_; 4083 my ($who, $arg) = @_;
3043 4084
3044 if ($who->flag (FLAG_WIZ)) { 4085 if ($who->flag (FLAG_WIZ)) {
3045 $who->message ("reloading server."); 4086 $who->message ("reloading server.");
4087 async {
4088 $Coro::current->{desc} = "perl_reload";
3046 async { reload_perl }; 4089 reload_perl;
4090 };
3047 } 4091 }
3048}; 4092};
3049 4093
3050unshift @INC, $LIBDIR; 4094#############################################################################
3051 4095
3052my $bug_warning = 0; 4096my $bug_warning = 0;
3053 4097
3054our @WAIT_FOR_TICK; 4098our @WAIT_FOR_TICK;
3055our @WAIT_FOR_TICK_BEGIN; 4099our @WAIT_FOR_TICK_BEGIN;
3056 4100
3057sub wait_for_tick { 4101sub wait_for_tick() {
3058 return unless $TICK_WATCHER->is_active;
3059 return if $Coro::current == $Coro::main; 4102 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3060 4103
3061 my $signal = new Coro::Signal; 4104 my $signal = new Coro::Signal;
3062 push @WAIT_FOR_TICK, $signal; 4105 push @WAIT_FOR_TICK, $signal;
3063 $signal->wait; 4106 $signal->wait;
3064} 4107}
3065 4108
3066sub wait_for_tick_begin { 4109sub wait_for_tick_begin() {
3067 return unless $TICK_WATCHER->is_active;
3068 return if $Coro::current == $Coro::main; 4110 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3069 4111
3070 my $signal = new Coro::Signal; 4112 my $signal = new Coro::Signal;
3071 push @WAIT_FOR_TICK_BEGIN, $signal; 4113 push @WAIT_FOR_TICK_BEGIN, $signal;
3072 $signal->wait; 4114 $signal->wait;
3073} 4115}
3074 4116
3075 my $min = 1e6;#d# 4117sub tick {
3076 my $avg = 10;
3077$TICK_WATCHER = Event->timer (
3078 reentrant => 0,
3079 parked => 1,
3080 prio => 0,
3081 at => $NEXT_TICK || $TICK,
3082 data => WF_AUTOCANCEL,
3083 cb => sub {
3084 if ($Coro::current != $Coro::main) { 4118 if ($Coro::current != $Coro::main) {
3085 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4119 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086 unless ++$bug_warning > 10; 4120 unless ++$bug_warning > 10;
3087 return; 4121 return;
3088 } 4122 }
3089 4123
3090 $NOW = $tick_start = Event::time;
3091
3092 cf::server_tick; # one server iteration 4124 cf::server_tick; # one server iteration
3093 4125
3094 0 && sync_job {#d# 4126 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3095 for(1..10) {
3096 my $t = Event::time;
3097 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3098 or die;
3099 4127
3100 $map->width (50); 4128 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3101 $map->height (50); 4129 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3102 $map->alloc; 4130 Coro::async_pool {
3103 $map->_load_objects ("/tmp/x.map", 1); 4131 $Coro::current->{desc} = "runtime saver";
3104 my $t = Event::time - $t; 4132 write_runtime_sync
3105 4133 or error "ERROR: unable to write runtime file: $!";
3106 #next unless $t < 0.0013;#d#
3107 if ($t < $min) {
3108 $min = $t;
3109 }
3110 $avg = $avg * 0.99 + $t * 0.01;
3111 }
3112 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113 exit 0;
3114 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115 }; 4134 };
4135 }
3116 4136
3117 $RUNTIME += $TICK;
3118 $NEXT_TICK += $TICK;
3119
3120 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121 $NEXT_RUNTIME_WRITE = $NOW + 10;
3122 Coro::async_pool {
3123 write_runtime
3124 or warn "ERROR: unable to write runtime file: $!";
3125 };
3126 }
3127
3128# my $AFTER = Event::time;
3129# warn $AFTER - $NOW;#d#
3130
3131 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4137 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132 $sig->send; 4138 $sig->send;
3133 } 4139 }
3134 while (my $sig = shift @WAIT_FOR_TICK) { 4140 while (my $sig = shift @WAIT_FOR_TICK) {
3135 $sig->send; 4141 $sig->send;
3136 } 4142 }
3137 4143
3138 $NOW = Event::time; 4144 $LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140 # if we are delayed by four ticks or more, skip them all
3141 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143 $TICK_WATCHER->at ($NEXT_TICK);
3144 $TICK_WATCHER->start;
3145
3146 $LOAD = ($NOW - $tick_start) / $TICK;
3147 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4145 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148 4146
3149 _post_tick; 4147 if (0) {
3150 4148 if ($NEXT_TICK) {
3151 4149 my $jitter = $TICK_START - $NEXT_TICK;
4150 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4151 debug "jitter $JITTER\n";#d#
4152 }
3152 }, 4153 }
3153); 4154}
3154 4155
3155{ 4156{
3156 BDB::max_poll_time $TICK * 0.1; 4157 # configure BDB
3157 $BDB_POLL_WATCHER = Event->io ( 4158
3158 reentrant => 0,
3159 fd => BDB::poll_fileno,
3160 poll => 'r',
3161 prio => 0,
3162 data => WF_AUTOCANCEL,
3163 cb => \&BDB::poll_cb,
3164 );
3165 BDB::min_parallel 8; 4159 BDB::min_parallel 16;
3166 4160 BDB::max_poll_reqs $TICK * 0.1;
3167 BDB::set_sync_prepare { 4161 $AnyEvent::BDB::WATCHER->priority (1);
3168 my $status;
3169 my $current = $Coro::current;
3170 (
3171 sub {
3172 $status = $!;
3173 $current->ready; undef $current;
3174 },
3175 sub {
3176 Coro::schedule while defined $current;
3177 $! = $status;
3178 },
3179 )
3180 };
3181 4162
3182 unless ($DB_ENV) { 4163 unless ($DB_ENV) {
3183 $DB_ENV = BDB::db_env_create; 4164 $DB_ENV = BDB::db_env_create;
4165 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4166 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4167 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4168 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4169 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184 4170
3185 cf::sync_job { 4171 cf::sync_job {
3186 eval { 4172 eval {
3187 BDB::db_env_open 4173 BDB::db_env_open
3188 $DB_ENV, 4174 $DB_ENV,
3190 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4176 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4177 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192 0666; 4178 0666;
3193 4179
3194 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4180 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197 $DB_ENV->set_lk_detect;
3198 }; 4181 };
3199 4182
3200 cf::cleanup "db_env_open(db): $@" if $@; 4183 cf::cleanup "db_env_open(db): $@" if $@;
3201 }; 4184 };
3202 } 4185 }
4186
4187 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4188 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4189 };
4190 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4191 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4192 };
4193 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4194 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4195 };
3203} 4196}
3204 4197
3205{ 4198{
4199 # configure IO::AIO
4200
3206 IO::AIO::min_parallel 8; 4201 IO::AIO::min_parallel 8;
3207
3208 undef $Coro::AIO::WATCHER;
3209 IO::AIO::max_poll_time $TICK * 0.1; 4202 IO::AIO::max_poll_time $TICK * 0.1;
3210 $AIO_POLL_WATCHER = Event->io ( 4203 undef $AnyEvent::AIO::WATCHER;
3211 reentrant => 0,
3212 data => WF_AUTOCANCEL,
3213 fd => IO::AIO::poll_fileno,
3214 poll => 'r',
3215 prio => 6,
3216 cb => \&IO::AIO::poll_cb,
3217 );
3218} 4204}
3219 4205
3220my $_log_backtrace; 4206our $_log_backtrace;
4207our $_log_backtrace_last;
3221 4208
3222sub _log_backtrace { 4209sub _log_backtrace {
3223 my ($msg, @addr) = @_; 4210 my ($msg, @addr) = @_;
3224 4211
3225 $msg =~ s/\n//; 4212 $msg =~ s/\n$//;
3226 4213
4214 if ($_log_backtrace_last eq $msg) {
4215 LOG llevInfo, "[ABT] $msg\n";
4216 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227 # limit the # of concurrent backtraces 4217 # limit the # of concurrent backtraces
3228 if ($_log_backtrace < 2) { 4218 } elsif ($_log_backtrace < 2) {
4219 $_log_backtrace_last = $msg;
3229 ++$_log_backtrace; 4220 ++$_log_backtrace;
4221 my $perl_bt = Carp::longmess $msg;
3230 async { 4222 async {
4223 $Coro::current->{desc} = "abt $msg";
4224
3231 my @bt = fork_call { 4225 my @bt = fork_call {
3232 @addr = map { sprintf "%x", $_ } @addr; 4226 @addr = map { sprintf "%x", $_ } @addr;
3233 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4227 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4228 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235 or die "addr2line: $!"; 4229 or die "addr2line: $!";
3243 } 4237 }
3244 4238
3245 @funcs 4239 @funcs
3246 }; 4240 };
3247 4241
3248 LOG llevInfo, "[ABT] $msg\n"; 4242 LOG llevInfo, "[ABT] $perl_bt\n";
4243 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249 LOG llevInfo, "[ABT] $_\n" for @bt; 4244 LOG llevInfo, "[ABT] $_\n" for @bt;
3250 --$_log_backtrace; 4245 --$_log_backtrace;
3251 }; 4246 };
3252 } else { 4247 } else {
3253 LOG llevInfo, "[ABT] $msg\n"; 4248 LOG llevInfo, "[ABT] $msg\n";
3254 LOG llevInfo, "[ABT] [suppressed]\n"; 4249 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255 } 4250 }
3256} 4251}
3257 4252
3258# load additional modules 4253# load additional modules
3259use cf::pod; 4254require "cf/$_.pm" for @EXTRA_MODULES;
4255cf::_connect_to_perl_2;
3260 4256
3261END { cf::emergency_save } 4257END { cf::emergency_save }
3262 4258
32631 42591
3264 4260

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