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Revision 1.296 by root, Wed Jul 4 07:09:06 2007 UTC vs.
Revision 1.559 by root, Sat Feb 26 12:50:27 2011 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
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};
213 319
214############################################################################# 320#############################################################################
215 321
216=head2 UTILITY FUNCTIONS 322=head2 UTILITY FUNCTIONS
238 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 344 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239 $d 345 $d
240 } || "[unable to dump $_[0]: '$@']"; 346 } || "[unable to dump $_[0]: '$@']";
241} 347}
242 348
243=item $ref = cf::from_json $json 349=item $ref = cf::decode_json $json
244 350
245Converts a JSON string into the corresponding perl data structure. 351Converts a JSON string into the corresponding perl data structure.
246 352
247=item $json = cf::to_json $ref 353=item $json = cf::encode_json $ref
248 354
249Converts a perl data structure into its JSON representation. 355Converts a perl data structure into its JSON representation.
250 356
251=cut 357=cut
252 358
253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 359our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254 360
255sub to_json ($) { $json_coder->encode ($_[0]) } 361sub encode_json($) { $json_coder->encode ($_[0]) }
256sub from_json ($) { $json_coder->decode ($_[0]) } 362sub decode_json($) { $json_coder->decode ($_[0]) }
363
364=item $ref = cf::yaml_load $scalar
365
366Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
367
368=cut
369
370sub fork_call(&@);
371
372sub yaml_load($) {
373 fork_call { YAML::XS::Load $_[0] } @_
374}
375
376=item cf::post_init { BLOCK }
377
378Execute the given codeblock, I<after> all extensions have been (re-)loaded,
379but I<before> the server starts ticking again.
380
381The codeblock will have a single boolean argument to indicate whether this
382is a reload or not.
383
384=cut
385
386sub post_init(&) {
387 push @POST_INIT, shift;
388}
389
390sub _post_init {
391 trace "running post_init jobs";
392
393 # run them in parallel...
394
395 my @join;
396
397 while () {
398 push @join, map &Coro::async ($_, 0), @POST_INIT;
399 @POST_INIT = ();
400
401 @join or last;
402
403 (pop @join)->join;
404 }
405}
257 406
258=item cf::lock_wait $string 407=item cf::lock_wait $string
259 408
260Wait until the given lock is available. See cf::lock_acquire. 409Wait until the given lock is available. See cf::lock_acquire.
261 410
262=item my $lock = cf::lock_acquire $string 411=item my $lock = cf::lock_acquire $string
263 412
264Wait until the given lock is available and then acquires it and returns 413Wait 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, 414a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266for example when the coroutine gets canceled), the lock is automatically 415for example when the coroutine gets canceled), the lock is automatically
267returned. 416returned.
268 417
418Locks are *not* recursive, locking from the same coro twice results in a
419deadlocked coro.
420
269Lock names should begin with a unique identifier (for example, cf::map::find 421Lock names should begin with a unique identifier (for example, cf::map::find
270uses map_find and cf::map::load uses map_load). 422uses map_find and cf::map::load uses map_load).
271 423
272=item $locked = cf::lock_active $string 424=item $locked = cf::lock_active $string
273 425
274Return true if the lock is currently active, i.e. somebody has locked it. 426Return true if the lock is currently active, i.e. somebody has locked it.
275 427
276=cut 428=cut
277 429
278our %LOCK; 430our $LOCKS = new Coro::SemaphoreSet;
279 431
280sub lock_wait($) { 432sub lock_wait($) {
281 my ($key) = @_; 433 $LOCKS->wait ($_[0]);
282
283 # wait for lock, if any
284 while ($LOCK{$key}) {
285 push @{ $LOCK{$key} }, $Coro::current;
286 Coro::schedule;
287 }
288} 434}
289 435
290sub lock_acquire($) { 436sub lock_acquire($) {
291 my ($key) = @_; 437 $LOCKS->guard ($_[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} 438}
303 439
304sub lock_active($) { 440sub lock_active($) {
305 my ($key) = @_; 441 $LOCKS->count ($_[0]) < 1
306
307 ! ! $LOCK{$key}
308} 442}
309 443
310sub freeze_mainloop { 444sub freeze_mainloop {
311 return unless $TICK_WATCHER->is_active; 445 tick_inhibit_inc;
312 446
313 my $guard = Coro::guard { 447 &Guard::guard (\&tick_inhibit_dec);
314 $TICK_WATCHER->start; 448}
449
450=item cf::periodic $interval, $cb
451
452Like EV::periodic, but randomly selects a starting point so that the actions
453get spread over time.
454
455=cut
456
457sub periodic($$) {
458 my ($interval, $cb) = @_;
459
460 my $start = rand List::Util::min 180, $interval;
461
462 EV::periodic $start, $interval, 0, $cb
463}
464
465=item cf::get_slot $time[, $priority[, $name]]
466
467Allocate $time seconds of blocking CPU time at priority C<$priority>:
468This call blocks and returns only when you have at least C<$time> seconds
469of cpu time till the next tick. The slot is only valid till the next cede.
470
471The optional C<$name> can be used to identify the job to run. It might be
472used for statistical purposes and should identify the same time-class.
473
474Useful for short background jobs.
475
476=cut
477
478our @SLOT_QUEUE;
479our $SLOT_QUEUE;
480our $SLOT_DECAY = 0.9;
481
482$SLOT_QUEUE->cancel if $SLOT_QUEUE;
483$SLOT_QUEUE = Coro::async {
484 $Coro::current->desc ("timeslot manager");
485
486 my $signal = new Coro::Signal;
487 my $busy;
488
489 while () {
490 next_job:
491
492 my $avail = cf::till_tick;
493
494 for (0 .. $#SLOT_QUEUE) {
495 if ($SLOT_QUEUE[$_][0] <= $avail) {
496 $busy = 0;
497 my $job = splice @SLOT_QUEUE, $_, 1, ();
498 $job->[2]->send;
499 Coro::cede;
500 goto next_job;
501 } else {
502 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
503 }
504 }
505
506 if (@SLOT_QUEUE) {
507 # we do not use wait_for_tick() as it returns immediately when tick is inactive
508 push @cf::WAIT_FOR_TICK, $signal;
509 $signal->wait;
510 } else {
511 $busy = 0;
512 Coro::schedule;
513 }
315 }; 514 }
316 $TICK_WATCHER->stop; 515};
317 $guard 516
517sub get_slot($;$$) {
518 return if tick_inhibit || $Coro::current == $Coro::main;
519
520 my ($time, $pri, $name) = @_;
521
522 $time = clamp $time, 0.01, $TICK * .6;
523
524 my $sig = new Coro::Signal;
525
526 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
527 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
528 $SLOT_QUEUE->ready;
529 $sig->wait;
318} 530}
319 531
320=item cf::async { BLOCK } 532=item cf::async { BLOCK }
321 533
322Currently the same as Coro::async_pool, meaning you cannot use 534Currently the same as Coro::async_pool, meaning you cannot use
327 539
328BEGIN { *async = \&Coro::async_pool } 540BEGIN { *async = \&Coro::async_pool }
329 541
330=item cf::sync_job { BLOCK } 542=item cf::sync_job { BLOCK }
331 543
332The design of Crossfire TRT requires that the main coroutine ($Coro::main) 544The design of Deliantra requires that the main coroutine ($Coro::main)
333is always able to handle events or runnable, as Crossfire TRT is only 545is always able to handle events or runnable, as Deliantra is only
334partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 546partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335acceptable. 547acceptable.
336 548
337If it must be done, put the blocking parts into C<sync_job>. This will run 549If it must be done, put the blocking parts into C<sync_job>. This will run
338the given BLOCK in another coroutine while waiting for the result. The 550the given BLOCK in another coroutine while waiting for the result. The
342=cut 554=cut
343 555
344sub sync_job(&) { 556sub sync_job(&) {
345 my ($job) = @_; 557 my ($job) = @_;
346 558
347 if ($Coro::current == $Coro::main) { 559 if (in_main) {
348 my $time = Event::time; 560 my $time = AE::time;
349 561
350 # this is the main coro, too bad, we have to block 562 # this is the main coro, too bad, we have to block
351 # till the operation succeeds, freezing the server :/ 563 # till the operation succeeds, freezing the server :/
352 564
353 # TODO: use suspend/resume instead 565 #LOG llevError, Carp::longmess "sync job";#d#
354 # (but this is cancel-safe) 566
355 my $freeze_guard = freeze_mainloop; 567 my $freeze_guard = freeze_mainloop;
356 568
357 my $busy = 1; 569 my $busy = 1;
358 my @res; 570 my @res;
359 571
360 (async { 572 (async {
573 $Coro::current->desc ("sync job coro");
361 @res = eval { $job->() }; 574 @res = eval { $job->() };
362 warn $@ if $@; 575 error $@ if $@;
363 undef $busy; 576 undef $busy;
364 })->prio (Coro::PRIO_MAX); 577 })->prio (Coro::PRIO_MAX);
365 578
366 while ($busy) { 579 while ($busy) {
367 Coro::cede or Event::one_event; 580 if (Coro::nready) {
581 Coro::cede_notself;
582 } else {
583 EV::loop EV::LOOP_ONESHOT;
368 } 584 }
585 }
369 586
370 $time = Event::time - $time; 587 my $time = AE::time - $time;
371 588
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 589 $TICK_START += $time; # do not account sync jobs to server load
376 590
377 wantarray ? @res : $res[0] 591 wantarray ? @res : $res[0]
378 } else { 592 } else {
379 # we are in another coroutine, how wonderful, everything just works 593 # we are in another coroutine, how wonderful, everything just works
380 594
400 $EXT_CORO{$coro+0} = $coro; 614 $EXT_CORO{$coro+0} = $coro;
401 615
402 $coro 616 $coro
403} 617}
404 618
405=item fork_call { }, $args 619=item fork_call { }, @args
406 620
407Executes the given code block with the given arguments in a seperate 621Executes the given code block with the given arguments in a seperate
408process, returning the results. Everything must be serialisable with 622process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may 623Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling. 624never block itself or use any form of event handling.
411 625
412=cut 626=cut
627
628sub post_fork {
629 reset_signals;
630}
413 631
414sub fork_call(&@) { 632sub fork_call(&@) {
415 my ($cb, @args) = @_; 633 my ($cb, @args) = @_;
416 634
417# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 635 # we seemingly have to make a local copy of the whole thing,
418# or die "socketpair: $!"; 636 # otherwise perl prematurely frees the stuff :/
419 pipe my $fh1, my $fh2 637 # TODO: investigate and fix (likely this will be rather laborious)
420 or die "pipe: $!";
421 638
422 if (my $pid = fork) { 639 my @res = Coro::Util::fork_eval {
423 close $fh2; 640 cf::post_fork;
641 &$cb
642 } @args;
424 643
425 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 644 wantarray ? @res : $res[-1]
426 $res = Coro::Storable::thaw $res; 645}
427 646
428 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 647sub 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 } 648 (
649 "counter value" => cf::object::object_count,
650 "objects created" => cf::object::create_count,
651 "objects destroyed" => cf::object::destroy_count,
652 "freelist size" => cf::object::free_count,
653 "allocated objects" => cf::object::objects_size,
654 "active objects" => cf::object::actives_size,
655 )
656}
657
658=item $coin = coin_from_name $name
659
660=cut
661
662our %coin_alias = (
663 "silver" => "silvercoin",
664 "silvercoin" => "silvercoin",
665 "silvercoins" => "silvercoin",
666 "gold" => "goldcoin",
667 "goldcoin" => "goldcoin",
668 "goldcoins" => "goldcoin",
669 "platinum" => "platinacoin",
670 "platinumcoin" => "platinacoin",
671 "platinumcoins" => "platinacoin",
672 "platina" => "platinacoin",
673 "platinacoin" => "platinacoin",
674 "platinacoins" => "platinacoin",
675 "royalty" => "royalty",
676 "royalties" => "royalty",
677);
678
679sub coin_from_name($) {
680 $coin_alias{$_[0]}
681 ? cf::arch::find $coin_alias{$_[0]}
682 : undef
447} 683}
448 684
449=item $value = cf::db_get $family => $key 685=item $value = cf::db_get $family => $key
450 686
451Returns a single value from the environment database. 687Returns a single value from the environment database.
453=item cf::db_put $family => $key => $value 689=item cf::db_put $family => $key => $value
454 690
455Stores the given C<$value> in the family. It can currently store binary 691Stores 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). 692data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457 693
694=item $db = cf::db_table "name"
695
696Create and/or open a new database table. The string must not be "db" and must be unique
697within each server.
698
458=cut 699=cut
700
701sub db_table($) {
702 cf::error "db_get called from main context"
703 if $Coro::current == $Coro::main;
704
705 my ($name) = @_;
706 my $db = BDB::db_create $DB_ENV;
707
708 eval {
709 $db->set_flags (BDB::CHKSUM);
710
711 utf8::encode $name;
712 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
713 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
714 cf::cleanup "db_open(db): $!" if $!;
715 };
716 cf::cleanup "db_open(db): $@" if $@;
717
718 $db
719}
459 720
460our $DB; 721our $DB;
461 722
462sub db_init { 723sub db_init {
463 unless ($DB) { 724 $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} 725}
478 726
479sub db_get($$) { 727sub db_get($$) {
480 my $key = "$_[0]/$_[1]"; 728 my $key = "$_[0]/$_[1]";
481 729
482 cf::sync_job { 730 cf::error "db_get called from main context"
731 if $Coro::current == $Coro::main;
732
483 BDB::db_get $DB, undef, $key, my $data; 733 BDB::db_get $DB, undef, $key, my $data;
484 734
485 $! ? () 735 $! ? ()
486 : $data 736 : $data
487 }
488} 737}
489 738
490sub db_put($$$) { 739sub db_put($$$) {
491 BDB::dbreq_pri 4; 740 BDB::dbreq_pri 4;
492 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 741 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
531 if (1) { 780 if (1) {
532 $md5 = 781 $md5 =
533 join "\x00", 782 join "\x00",
534 $processversion, 783 $processversion,
535 map { 784 map {
536 Coro::cede; 785 cf::cede_to_tick;
537 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 786 ($src->[$_], Digest::MD5::md5_hex $data[$_])
538 } 0.. $#$src; 787 } 0.. $#$src;
539 788
540 789
541 my $dbmd5 = db_get cache => "$id/md5"; 790 my $dbmd5 = db_get cache => "$id/md5";
548 797
549 my $t1 = Time::HiRes::time; 798 my $t1 = Time::HiRes::time;
550 my $data = $process->(\@data); 799 my $data = $process->(\@data);
551 my $t2 = Time::HiRes::time; 800 my $t2 = Time::HiRes::time;
552 801
553 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 802 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554 803
555 db_put cache => "$id/data", $data; 804 db_put cache => "$id/data", $data;
556 db_put cache => "$id/md5" , $md5; 805 db_put cache => "$id/md5" , $md5;
557 db_put cache => "$id/meta", $meta; 806 db_put cache => "$id/meta", $meta;
558 807
568 817
569=cut 818=cut
570 819
571sub datalog($@) { 820sub datalog($@) {
572 my ($type, %kv) = @_; 821 my ($type, %kv) = @_;
573 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 822 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574} 823}
575 824
576=back 825=back
577 826
578=cut 827=cut
579 828
580############################################################################# 829#############################################################################
581 830
582=head2 ATTACHABLE OBJECTS 831=head2 ATTACHABLE OBJECTS
583 832
584Many objects in crossfire are so-called attachable objects. That means you can 833Many objects in deliantra are so-called attachable objects. That means you can
585attach callbacks/event handlers (a collection of which is called an "attachment") 834attach callbacks/event handlers (a collection of which is called an "attachment")
586to it. All such attachable objects support the following methods. 835to it. All such attachable objects support the following methods.
587 836
588In the following description, CLASS can be any of C<global>, C<object> 837In 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 838C<player>, C<client> or C<map> (i.e. the attachable objects in
590Crossfire TRT). 839Deliantra).
591 840
592=over 4 841=over 4
593 842
594=item $attachable->attach ($attachment, key => $value...) 843=item $attachable->attach ($attachment, key => $value...)
595 844
639=item cf::CLASS::attachment $name, ... 888=item cf::CLASS::attachment $name, ...
640 889
641Register an attachment by C<$name> through which attachable objects of the 890Register an attachment by C<$name> through which attachable objects of the
642given CLASS can refer to this attachment. 891given CLASS can refer to this attachment.
643 892
644Some classes such as crossfire maps and objects can specify attachments 893Some classes such as deliantra maps and objects can specify attachments
645that are attached at load/instantiate time, thus the need for a name. 894that are attached at load/instantiate time, thus the need for a name.
646 895
647These calls expect any number of the following handler/hook descriptions: 896These calls expect any number of the following handler/hook descriptions:
648 897
649=over 4 898=over 4
773 1022
774 } elsif (exists $cb_id{$type}) { 1023 } elsif (exists $cb_id{$type}) {
775 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1024 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776 1025
777 } elsif (ref $type) { 1026 } elsif (ref $type) {
778 warn "attaching objects not supported, ignoring.\n"; 1027 error "attaching objects not supported, ignoring.\n";
779 1028
780 } else { 1029 } else {
781 shift @arg; 1030 shift @arg;
782 warn "attach argument '$type' not supported, ignoring.\n"; 1031 error "attach argument '$type' not supported, ignoring.\n";
783 } 1032 }
784 } 1033 }
785} 1034}
786 1035
787sub _object_attach { 1036sub _object_attach {
797 _attach $registry, $klass, @attach; 1046 _attach $registry, $klass, @attach;
798 } 1047 }
799 1048
800 $obj->{$name} = \%arg; 1049 $obj->{$name} = \%arg;
801 } else { 1050 } else {
802 warn "object uses attachment '$name' which is not available, postponing.\n"; 1051 info "object uses attachment '$name' which is not available, postponing.\n";
803 } 1052 }
804 1053
805 $obj->{_attachment}{$name} = undef; 1054 $obj->{_attachment}{$name} = undef;
806} 1055}
807 1056
847 "; 1096 ";
848 die if $@; 1097 die if $@;
849} 1098}
850 1099
851our $override; 1100our $override;
852our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1101our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853 1102
854sub override { 1103sub override {
855 $override = 1; 1104 $override = 1;
856 @invoke_results = (); 1105 @INVOKE_RESULTS = (@_);
857} 1106}
858 1107
859sub do_invoke { 1108sub do_invoke {
860 my $event = shift; 1109 my $event = shift;
861 my $callbacks = shift; 1110 my $callbacks = shift;
862 1111
863 @invoke_results = (); 1112 @INVOKE_RESULTS = ();
864 1113
865 local $override; 1114 local $override;
866 1115
867 for (@$callbacks) { 1116 for (@$callbacks) {
868 eval { &{$_->[1]} }; 1117 eval { &{$_->[1]} };
869 1118
870 if ($@) { 1119 if ($@) {
871 warn "$@";
872 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1120 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873 override; 1121 override;
874 } 1122 }
875 1123
876 return 1 if $override; 1124 return 1 if $override;
877 } 1125 }
878 1126
879 0 1127 0
880} 1128}
881 1129
882=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883 1131
884=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1132=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885 1133
886Generate an object-specific event with the given arguments. 1134Generate an object-specific event with the given arguments.
887 1135
888This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1136This 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 1137removed in future versions), and there is no public API to access override
890results (if you must, access C<@cf::invoke_results> directly). 1138results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891 1139
892=back 1140=back
893 1141
894=cut 1142=cut
895 1143
896############################################################################# 1144#############################################################################
897# object support 1145# object support
1146
1147sub _object_equal($$);
1148sub _object_equal($$) {
1149 my ($a, $b) = @_;
1150
1151 return 0 unless (ref $a) eq (ref $b);
1152
1153 if ("HASH" eq ref $a) {
1154 my @ka = keys %$a;
1155 my @kb = keys %$b;
1156
1157 return 0 if @ka != @kb;
1158
1159 for (0 .. $#ka) {
1160 return 0 unless $ka[$_] eq $kb[$_];
1161 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1162 }
1163
1164 } elsif ("ARRAY" eq ref $a) {
1165
1166 return 0 if @$a != @$b;
1167
1168 for (0 .. $#$a) {
1169 return 0 unless _object_equal $a->[$_], $b->[$_];
1170 }
1171
1172 } elsif ($a ne $b) {
1173 return 0;
1174 }
1175
1176 1
1177}
1178
1179our $SLOW_MERGES;#d#
1180sub _can_merge {
1181 my ($ob1, $ob2) = @_;
1182
1183 ++$SLOW_MERGES;#d#
1184
1185 # we do the slow way here
1186 return _object_equal $ob1, $ob2
1187}
898 1188
899sub reattach { 1189sub reattach {
900 # basically do the same as instantiate, without calling instantiate 1190 # basically do the same as instantiate, without calling instantiate
901 my ($obj) = @_; 1191 my ($obj) = @_;
902 1192
1193 # no longer needed after getting rid of delete_package?
903 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1194 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904 1195
905 my $registry = $obj->registry; 1196 my $registry = $obj->registry;
906 1197
907 @$registry = (); 1198 @$registry = ();
908 1199
913 for (@$attach) { 1204 for (@$attach) {
914 my ($klass, @attach) = @$_; 1205 my ($klass, @attach) = @$_;
915 _attach $registry, $klass, @attach; 1206 _attach $registry, $klass, @attach;
916 } 1207 }
917 } else { 1208 } else {
918 warn "object uses attachment '$name' that is not available, postponing.\n"; 1209 info "object uses attachment '$name' that is not available, postponing.\n";
919 } 1210 }
920 } 1211 }
921} 1212}
922 1213
923cf::attachable->attach ( 1214cf::attachable->attach (
924 prio => -1000000, 1215 prio => -1000000,
925 on_instantiate => sub { 1216 on_instantiate => sub {
926 my ($obj, $data) = @_; 1217 my ($obj, $data) = @_;
927 1218
928 $data = from_json $data; 1219 $data = decode_json $data;
929 1220
930 for (@$data) { 1221 for (@$data) {
931 my ($name, $args) = @$_; 1222 my ($name, $args) = @$_;
932 1223
933 $obj->attach ($name, %{$args || {} }); 1224 $obj->attach ($name, %{$args || {} });
949sub object_freezer_save { 1240sub object_freezer_save {
950 my ($filename, $rdata, $objs) = @_; 1241 my ($filename, $rdata, $objs) = @_;
951 1242
952 sync_job { 1243 sync_job {
953 if (length $$rdata) { 1244 if (length $$rdata) {
1245 utf8::decode (my $decname = $filename);
954 warn sprintf "saving %s (%d,%d)\n", 1246 trace sprintf "saving %s (%d,%d)\n",
955 $filename, length $$rdata, scalar @$objs; 1247 $decname, length $$rdata, scalar @$objs
1248 if $VERBOSE_IO;
956 1249
957 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1250 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1251 aio_chmod $fh, SAVE_MODE;
959 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1252 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960 aio_fsync $fh if $cf::USE_FSYNC; 1253 if ($cf::USE_FSYNC) {
1254 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;
1255 aio_fsync $fh;
1256 }
961 close $fh; 1257 aio_close $fh;
962 1258
963 if (@$objs) { 1259 if (@$objs) {
964 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1260 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965 chmod SAVE_MODE, $fh; 1261 aio_chmod $fh, SAVE_MODE;
966 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1262 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967 aio_write $fh, 0, (length $data), $data, 0; 1263 aio_write $fh, 0, (length $data), $data, 0;
968 aio_fsync $fh if $cf::USE_FSYNC; 1264 if ($cf::USE_FSYNC) {
1265 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;
1266 aio_fsync $fh;
1267 }
969 close $fh; 1268 aio_close $fh;
970 aio_rename "$filename.pst~", "$filename.pst"; 1269 aio_rename "$filename.pst~", "$filename.pst";
971 } 1270 }
972 } else { 1271 } else {
973 aio_unlink "$filename.pst"; 1272 aio_unlink "$filename.pst";
974 } 1273 }
975 1274
976 aio_rename "$filename~", $filename; 1275 aio_rename "$filename~", $filename;
1276
1277 $filename =~ s%/[^/]+$%%;
1278 aio_pathsync $filename if $cf::USE_FSYNC;
977 } else { 1279 } else {
978 warn "FATAL: $filename~: $!\n"; 1280 error "unable to save objects: $filename~: $!\n";
979 } 1281 }
980 } else { 1282 } else {
981 aio_unlink $filename; 1283 aio_unlink $filename;
982 aio_unlink "$filename.pst"; 1284 aio_unlink "$filename.pst";
983 } 1285 }
984 } 1286 };
985} 1287}
986 1288
987sub object_freezer_as_string { 1289sub object_freezer_as_string {
988 my ($rdata, $objs) = @_; 1290 my ($rdata, $objs) = @_;
989 1291
1001 or return; 1303 or return;
1002 1304
1003 unless (aio_stat "$filename.pst") { 1305 unless (aio_stat "$filename.pst") {
1004 (aio_load "$filename.pst", $av) >= 0 1306 (aio_load "$filename.pst", $av) >= 0
1005 or return; 1307 or return;
1308
1006 $av = eval { (Storable::thaw $av)->{objs} }; 1309 my $st = eval { Coro::Storable::thaw $av };
1310 $av = $st->{objs};
1007 } 1311 }
1008 1312
1313 utf8::decode (my $decname = $filename);
1009 warn sprintf "loading %s (%d)\n", 1314 trace sprintf "loading %s (%d,%d)\n",
1010 $filename, length $data, scalar @{$av || []}; 1315 $decname, length $data, scalar @{$av || []}
1316 if $VERBOSE_IO;
1317
1011 return ($data, $av); 1318 ($data, $av)
1012} 1319}
1013 1320
1014=head2 COMMAND CALLBACKS 1321=head2 COMMAND CALLBACKS
1015 1322
1016=over 4 1323=over 4
1070 my ($name, $cb) = @_; 1377 my ($name, $cb) = @_;
1071 1378
1072 $EXTICMD{$name} = $cb; 1379 $EXTICMD{$name} = $cb;
1073} 1380}
1074 1381
1382use File::Glob ();
1383
1075cf::player->attach ( 1384cf::player->attach (
1076 on_command => sub { 1385 on_unknown_command => sub {
1077 my ($pl, $name, $params) = @_; 1386 my ($pl, $name, $params) = @_;
1078 1387
1079 my $cb = $COMMAND{$name} 1388 my $cb = $COMMAND{$name}
1080 or return; 1389 or return;
1081 1390
1089 my ($pl, $buf) = @_; 1398 my ($pl, $buf) = @_;
1090 1399
1091 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1400 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092 1401
1093 if (ref $msg) { 1402 if (ref $msg) {
1403 my ($type, $reply, @payload) =
1404 "ARRAY" eq ref $msg
1405 ? @$msg
1406 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1407
1408 my @reply;
1409
1094 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1410 if (my $cb = $EXTCMD{$type}) {
1095 if (my %reply = $cb->($pl, $msg)) { 1411 @reply = $cb->($pl, @payload);
1096 $pl->ext_reply ($msg->{msgid}, %reply);
1097 }
1098 } 1412 }
1413
1414 $pl->ext_reply ($reply, @reply)
1415 if $reply;
1416
1099 } else { 1417 } else {
1100 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1418 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101 } 1419 }
1102 1420
1103 cf::override; 1421 cf::override;
1104 }, 1422 },
1105); 1423);
1106 1424
1425# "readahead" all extensions
1426sub cache_extensions {
1427 my $grp = IO::AIO::aio_group;
1428
1429 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1430 for (grep /\.ext$/, @{$_[0]}) {
1431 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1432 }
1433 };
1434
1435 $grp
1436}
1437
1107sub load_extensions { 1438sub load_extensions {
1439 info "loading extensions...";
1440
1108 cf::sync_job { 1441 cf::sync_job {
1109 my %todo; 1442 my %todo;
1110 1443
1111 for my $path (<$LIBDIR/*.ext>) { 1444 for my $path (<$LIBDIR/*.ext>) {
1112 next unless -r $path; 1445 next unless -r $path;
1130 1463
1131 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1464 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1465 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133 1466
1134 $ext{source} = 1467 $ext{source} =
1135 "package $pkg; use strict; use utf8;\n" 1468 "package $pkg; use common::sense;\n"
1136 . "#line 1 \"$path\"\n{\n" 1469 . "#line 1 \"$path\"\n{\n"
1137 . $source 1470 . $source
1138 . "\n};\n1"; 1471 . "\n};\n1";
1139 1472
1140 $todo{$base} = \%ext; 1473 $todo{$base} = \%ext;
1141 } 1474 }
1142 1475
1476 my $pass = 0;
1143 my %done; 1477 my %done;
1144 while (%todo) { 1478 while (%todo) {
1145 my $progress; 1479 my $progress;
1146 1480
1481 ++$pass;
1482
1483 ext:
1147 while (my ($k, $v) = each %todo) { 1484 while (my ($k, $v) = each %todo) {
1148 for (split /,\s*/, $v->{meta}{depends}) { 1485 for (split /,\s*/, $v->{meta}{depends}) {
1149 goto skip 1486 next ext
1150 unless exists $done{$_}; 1487 unless exists $done{$_};
1151 } 1488 }
1152 1489
1153 warn "... loading '$k' into '$v->{pkg}'\n"; 1490 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154 1491
1155 unless (eval $v->{source}) { 1492 my $active = eval $v->{source};
1493
1494 if (length $@) {
1156 my $msg = $@ ? "$v->{path}: $@\n" 1495 error "$v->{path}: $@\n";
1157 : "$v->{base}: extension inactive.\n";
1158 1496
1497 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159 if (exists $v->{meta}{mandatory}) { 1498 if exists $v->{meta}{mandatory};
1160 warn $msg; 1499
1161 warn "mandatory extension failed to load, exiting.\n"; 1500 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162 exit 1; 1501 delete $todo{$k};
1163 } 1502 } else {
1164 1503 $done{$k} = delete $todo{$k};
1165 warn $msg; 1504 push @EXTS, $v->{pkg};
1505 $progress = 1;
1506
1507 info "$v->{base}: extension inactive.\n"
1508 unless $active;
1166 } 1509 }
1167
1168 $done{$k} = delete $todo{$k};
1169 push @EXTS, $v->{pkg};
1170 $progress = 1;
1171 } 1510 }
1172 1511
1173 skip: 1512 unless ($progress) {
1174 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1513 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175 unless $progress; 1514
1515 while (my ($k, $v) = each %todo) {
1516 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1517 if exists $v->{meta}{mandatory};
1518 }
1519 }
1176 } 1520 }
1177 }; 1521 };
1178} 1522}
1179 1523
1180############################################################################# 1524#############################################################################
1181 1525
1182=back 1526=back
1183 1527
1184=head2 CORE EXTENSIONS 1528=head2 CORE EXTENSIONS
1185 1529
1186Functions and methods that extend core crossfire objects. 1530Functions and methods that extend core deliantra objects.
1187 1531
1188=cut 1532=cut
1189 1533
1190package cf::player; 1534package cf::player;
1191 1535
1192use Coro::AIO; 1536use Coro::AIO;
1193 1537
1194=head3 cf::player 1538=head3 cf::player
1195 1539
1196=over 4 1540=over 4
1541
1542=item cf::player::num_playing
1543
1544Returns the official number of playing players, as per the Crossfire metaserver rules.
1545
1546=cut
1547
1548sub num_playing {
1549 scalar grep
1550 $_->ob->map
1551 && !$_->hidden
1552 && !$_->ob->flag (cf::FLAG_WIZ),
1553 cf::player::list
1554}
1197 1555
1198=item cf::player::find $login 1556=item cf::player::find $login
1199 1557
1200Returns the given player object, loading it if necessary (might block). 1558Returns the given player object, loading it if necessary (might block).
1201 1559
1220 1578
1221sub exists($) { 1579sub exists($) {
1222 my ($login) = @_; 1580 my ($login) = @_;
1223 1581
1224 $cf::PLAYER{$login} 1582 $cf::PLAYER{$login}
1225 or cf::sync_job { !aio_stat path $login } 1583 or !aio_stat path $login
1226} 1584}
1227 1585
1228sub find($) { 1586sub find($) {
1229 return $cf::PLAYER{$_[0]} || do { 1587 return $cf::PLAYER{$_[0]} || do {
1230 my $login = $_[0]; 1588 my $login = $_[0];
1237 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1595 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1596 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1597 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240 aio_unlink +(playerdir $login) . "/$login.pl"; 1598 aio_unlink +(playerdir $login) . "/$login.pl";
1241 1599
1242 my $pl = load_pl path $login 1600 my $f = new_from_file cf::object::thawer path $login
1243 or return; 1601 or return;
1602
1603 my $pl = cf::player::load_pl $f
1604 or return;
1605
1606 local $cf::PLAYER_LOADING{$login} = $pl;
1607 $f->resolve_delayed_derefs;
1244 $cf::PLAYER{$login} = $pl 1608 $cf::PLAYER{$login} = $pl
1245 } 1609 }
1246 } 1610 }
1247} 1611}
1612
1613cf::player->attach (
1614 on_load => sub {
1615 my ($pl, $path) = @_;
1616
1617 # restore slots saved in save, below
1618 my $slots = delete $pl->{_slots};
1619
1620 $pl->ob->current_weapon ($slots->[0]);
1621 $pl->combat_ob ($slots->[1]);
1622 $pl->ranged_ob ($slots->[2]);
1623 },
1624);
1248 1625
1249sub save($) { 1626sub save($) {
1250 my ($pl) = @_; 1627 my ($pl) = @_;
1251 1628
1252 return if $pl->{deny_save}; 1629 return if $pl->{deny_save};
1257 return if $pl->{deny_save}; 1634 return if $pl->{deny_save};
1258 1635
1259 aio_mkdir playerdir $pl, 0770; 1636 aio_mkdir playerdir $pl, 0770;
1260 $pl->{last_save} = $cf::RUNTIME; 1637 $pl->{last_save} = $cf::RUNTIME;
1261 1638
1639 cf::get_slot 0.01;
1640
1641 # save slots, to be restored later
1642 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1643
1262 $pl->save_pl ($path); 1644 $pl->save_pl ($path);
1263 Coro::cede; 1645 cf::cede_to_tick;
1264} 1646}
1265 1647
1266sub new($) { 1648sub new($) {
1267 my ($login) = @_; 1649 my ($login) = @_;
1268 1650
1274 $cf::PLAYER{$login} = $self; 1656 $cf::PLAYER{$login} = $self;
1275 1657
1276 $self 1658 $self
1277} 1659}
1278 1660
1661=item $player->send_msg ($channel, $msg, $color, [extra...])
1662
1663=cut
1664
1665sub send_msg {
1666 my $ns = shift->ns
1667 or return;
1668 $ns->send_msg (@_);
1669}
1670
1279=item $pl->quit_character 1671=item $pl->quit_character
1280 1672
1281Nukes the player without looking back. If logged in, the connection will 1673Nukes the player without looking back. If logged in, the connection will
1282be destroyed. May block for a long time. 1674be destroyed. May block for a long time.
1283 1675
1287 my ($pl) = @_; 1679 my ($pl) = @_;
1288 1680
1289 my $name = $pl->ob->name; 1681 my $name = $pl->ob->name;
1290 1682
1291 $pl->{deny_save} = 1; 1683 $pl->{deny_save} = 1;
1292 $pl->password ("*"); # this should lock out the player until we nuked the dir 1684 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1293 1685
1294 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1686 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295 $pl->deactivate; 1687 $pl->deactivate;
1688
1689 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1690 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1691 ext::highscore::check ($pl->ob);
1692
1297 $pl->ns->destroy if $pl->ns; 1693 $pl->ns->destroy if $pl->ns;
1298 1694
1299 my $path = playerdir $pl; 1695 my $path = playerdir $pl;
1300 my $temp = "$path~$cf::RUNTIME~deleting~"; 1696 my $temp = "$path~$cf::RUNTIME~deleting~";
1301 aio_rename $path, $temp; 1697 aio_rename $path, $temp;
1336 or return []; 1732 or return [];
1337 1733
1338 my @logins; 1734 my @logins;
1339 1735
1340 for my $login (@$dirs) { 1736 for my $login (@$dirs) {
1737 my $path = path $login;
1738
1739 # a .pst is a dead give-away for a valid player
1740 # if no pst file found, open and chekc for blocked users
1741 if (aio_stat "$path.pst") {
1341 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1742 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342 aio_read $fh, 0, 512, my $buf, 0 or next; 1743 aio_read $fh, 0, 512, my $buf, 0 or next;
1343 $buf !~ /^password -------------$/m or next; # official not-valid tag 1744 $buf !~ /^password -------------$/m or next; # official not-valid tag
1745 }
1344 1746
1345 utf8::decode $login; 1747 utf8::decode $login;
1346 push @logins, $login; 1748 push @logins, $login;
1347 } 1749 }
1348 1750
1349 \@logins 1751 \@logins
1350} 1752}
1351 1753
1352=item $player->maps 1754=item $player->maps
1755
1756=item cf::player::maps $login
1353 1757
1354Returns an arrayref of map paths that are private for this 1758Returns an arrayref of map paths that are private for this
1355player. May block. 1759player. May block.
1356 1760
1357=cut 1761=cut
1375 } 1779 }
1376 1780
1377 \@paths 1781 \@paths
1378} 1782}
1379 1783
1380=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1784=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381 1785
1382Expand crossfire pod fragments into protocol xml. 1786Expand deliantra pod fragments into protocol xml.
1383 1787
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) 1788=item $player->ext_reply ($msgid, @msg)
1431 1789
1432Sends an ext reply to the player. 1790Sends an ext reply to the player.
1433 1791
1434=cut 1792=cut
1435 1793
1436sub ext_reply($$%) { 1794sub ext_reply($$@) {
1437 my ($self, $id, %msg) = @_; 1795 my ($self, $id, @msg) = @_;
1438 1796
1439 $msg{msgid} = $id; 1797 $self->ns->ext_reply ($id, @msg)
1440 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441} 1798}
1442 1799
1443=item $player->ext_event ($type, %msg) 1800=item $player->ext_msg ($type, @msg)
1444 1801
1445Sends an ext event to the client. 1802Sends an ext event to the client.
1446 1803
1447=cut 1804=cut
1448 1805
1449sub ext_event($$%) { 1806sub ext_msg($$@) {
1450 my ($self, $type, %msg) = @_; 1807 my ($self, $type, @msg) = @_;
1451 1808
1452 $self->ns->ext_event ($type, %msg); 1809 $self->ns->ext_msg ($type, @msg);
1453} 1810}
1454 1811
1455=head3 cf::region 1812=head3 cf::region
1456 1813
1457=over 4 1814=over 4
1467=cut 1824=cut
1468 1825
1469sub find_by_path($) { 1826sub find_by_path($) {
1470 my ($path) = @_; 1827 my ($path) = @_;
1471 1828
1829 $path =~ s/^~[^\/]*//; # skip ~login
1830
1472 my ($match, $specificity); 1831 my ($match, $specificity);
1473 1832
1474 for my $region (list) { 1833 for my $region (list) {
1475 if ($region->match && $path =~ $region->match) { 1834 if ($region->{match} && $path =~ $region->{match}) {
1476 ($match, $specificity) = ($region, $region->specificity) 1835 ($match, $specificity) = ($region, $region->specificity)
1477 if $region->specificity > $specificity; 1836 if $region->specificity > $specificity;
1478 } 1837 }
1479 } 1838 }
1480 1839
1501our $MAX_RESET = 3600; 1860our $MAX_RESET = 3600;
1502our $DEFAULT_RESET = 3000; 1861our $DEFAULT_RESET = 3000;
1503 1862
1504sub generate_random_map { 1863sub generate_random_map {
1505 my ($self, $rmp) = @_; 1864 my ($self, $rmp) = @_;
1506 # mit "rum" bekleckern, nicht 1865
1866 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1867
1507 $self->_create_random_map ( 1868 $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} 1869}
1521 1870
1522=item cf::map->register ($regex, $prio) 1871=item cf::map->register ($regex, $prio)
1523 1872
1524Register a handler for the map path matching the given regex at the 1873Register a handler for the map path matching the given regex at the
1529 1878
1530sub register { 1879sub register {
1531 my (undef, $regex, $prio) = @_; 1880 my (undef, $regex, $prio) = @_;
1532 my $pkg = caller; 1881 my $pkg = caller;
1533 1882
1534 no strict;
1535 push @{"$pkg\::ISA"}, __PACKAGE__; 1883 push @{"$pkg\::ISA"}, __PACKAGE__;
1536 1884
1537 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1885 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538} 1886}
1539 1887
1540# also paths starting with '/' 1888# also paths starting with '/'
1541$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1889$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542 1890
1543sub thawer_merge { 1891sub thawer_merge {
1544 my ($self, $merge) = @_; 1892 my ($self, $merge) = @_;
1545 1893
1546 # we have to keep some variables in memory intact 1894 # we have to keep some variables in memory intact
1551} 1899}
1552 1900
1553sub normalise { 1901sub normalise {
1554 my ($path, $base) = @_; 1902 my ($path, $base) = @_;
1555 1903
1556 $path = "$path"; # make sure its a string 1904 $path = "$path"; # make sure it's a string
1557 1905
1558 $path =~ s/\.map$//; 1906 $path =~ s/\.map$//;
1559 1907
1560 # map plan: 1908 # map plan:
1561 # 1909 #
1576 $base =~ s{[^/]+/?$}{}; 1924 $base =~ s{[^/]+/?$}{};
1577 $path = "$base/$path"; 1925 $path = "$base/$path";
1578 } 1926 }
1579 1927
1580 for ($path) { 1928 for ($path) {
1581 redo if s{//}{/};
1582 redo if s{/\.?/}{/}; 1929 redo if s{/\.?/}{/};
1583 redo if s{/[^/]+/\.\./}{/}; 1930 redo if s{/[^/]+/\.\./}{/};
1584 } 1931 }
1585 1932
1586 $path 1933 $path
1600 $self->init; # pass $1 etc. 1947 $self->init; # pass $1 etc.
1601 return $self; 1948 return $self;
1602 } 1949 }
1603 } 1950 }
1604 1951
1605 Carp::carp "unable to resolve path '$path' (base '$base')."; 1952 Carp::cluck "unable to resolve path '$path' (base '$base')";
1606 () 1953 ()
1607} 1954}
1608 1955
1609sub init { 1956sub init {
1610 my ($self) = @_; 1957 my ($self) = @_;
1632 1979
1633# the temporary/swap location 1980# the temporary/swap location
1634sub save_path { 1981sub save_path {
1635 my ($self) = @_; 1982 my ($self) = @_;
1636 1983
1637 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1984 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638 "$TMPDIR/$path.map" 1985 "$TMPDIR/$path.map"
1639} 1986}
1640 1987
1641# the unique path, undef == no special unique path 1988# the unique path, undef == no special unique path
1642sub uniq_path { 1989sub uniq_path {
1643 my ($self) = @_; 1990 my ($self) = @_;
1644 1991
1645 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1992 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646 "$UNIQUEDIR/$path" 1993 "$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} 1994}
1657 1995
1658sub decay_objects { 1996sub decay_objects {
1659 my ($self) = @_; 1997 my ($self) = @_;
1660 1998
1673 2011
1674sub load_header_from($) { 2012sub load_header_from($) {
1675 my ($self, $path) = @_; 2013 my ($self, $path) = @_;
1676 2014
1677 utf8::encode $path; 2015 utf8::encode $path;
1678 #aio_open $path, O_RDONLY, 0 2016 my $f = new_from_file cf::object::thawer $path
1679 # or return;
1680
1681 $self->_load_header ($path)
1682 or return; 2017 or return;
2018
2019 $self->_load_header ($f)
2020 or return;
2021
2022 local $MAP_LOADING{$self->{path}} = $self;
2023 $f->resolve_delayed_derefs;
1683 2024
1684 $self->{load_path} = $path; 2025 $self->{load_path} = $path;
1685 2026
1686 1 2027 1
1687} 2028}
1739 2080
1740sub find; 2081sub find;
1741sub find { 2082sub find {
1742 my ($path, $origin) = @_; 2083 my ($path, $origin) = @_;
1743 2084
2085 cf::cede_to_tick;
2086
1744 $path = normalise $path, $origin && $origin->path; 2087 $path = normalise $path, $origin && $origin->path;
1745 2088
2089 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746 cf::lock_wait "map_find:$path"; 2090 my $guard2 = cf::lock_acquire "map_find:$path";
1747 2091
1748 $cf::MAP{$path} || do { 2092 $cf::MAP{$path} || do {
1749 my $guard = cf::lock_acquire "map_find:$path";
1750 my $map = new_from_path cf::map $path 2093 my $map = new_from_path cf::map $path
1751 or return; 2094 or return;
1752 2095
1753 $map->{last_save} = $cf::RUNTIME; 2096 $map->{last_save} = $cf::RUNTIME;
1754 2097
1756 or return; 2099 or return;
1757 2100
1758 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2101 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759 # doing this can freeze the server in a sync job, obviously 2102 # doing this can freeze the server in a sync job, obviously
1760 #$cf::WAIT_FOR_TICK->wait; 2103 #$cf::WAIT_FOR_TICK->wait;
2104 undef $guard2;
2105 undef $guard1;
1761 $map->reset; 2106 $map->reset;
1762 undef $guard;
1763 return find $path; 2107 return find $path;
1764 } 2108 }
1765 2109
1766 $cf::MAP{$path} = $map 2110 $cf::MAP{$path} = $map
1767 } 2111 }
1768} 2112}
1769 2113
1770sub pre_load { } 2114sub pre_load { }
1771sub post_load { } 2115#sub post_load { } # XS
1772 2116
1773sub load { 2117sub load {
1774 my ($self) = @_; 2118 my ($self) = @_;
1775 2119
1776 local $self->{deny_reset} = 1; # loading can take a long time 2120 local $self->{deny_reset} = 1; # loading can take a long time
1777 2121
1778 my $path = $self->{path}; 2122 my $path = $self->{path};
1779 2123
1780 { 2124 {
1781 my $guard = cf::lock_acquire "map_load:$path"; 2125 my $guard = cf::lock_acquire "map_data:$path";
1782 2126
2127 return unless $self->valid;
1783 return if $self->in_memory != cf::MAP_SWAPPED; 2128 return unless $self->in_memory == cf::MAP_SWAPPED;
1784 2129
1785 $self->in_memory (cf::MAP_LOADING); 2130 $self->in_memory (cf::MAP_LOADING);
1786 2131
1787 $self->alloc; 2132 $self->alloc;
1788 2133
1789 $self->pre_load; 2134 $self->pre_load;
1790 Coro::cede; 2135 cf::cede_to_tick;
1791 2136
2137 my $f = new_from_file cf::object::thawer $self->{load_path};
2138 $f->skip_block;
1792 $self->_load_objects ($self->{load_path}, 1) 2139 $self->_load_objects ($f)
1793 or return; 2140 or return;
1794 2141
1795 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2142 $self->post_load_original
1796 if delete $self->{load_original}; 2143 if delete $self->{load_original};
1797 2144
1798 if (my $uniq = $self->uniq_path) { 2145 if (my $uniq = $self->uniq_path) {
1799 utf8::encode $uniq; 2146 utf8::encode $uniq;
1800 if (aio_open $uniq, O_RDONLY, 0) { 2147 unless (aio_stat $uniq) {
2148 if (my $f = new_from_file cf::object::thawer $uniq) {
1801 $self->clear_unique_items; 2149 $self->clear_unique_items;
1802 $self->_load_objects ($uniq, 0); 2150 $self->_load_objects ($f);
2151 $f->resolve_delayed_derefs;
2152 }
1803 } 2153 }
1804 } 2154 }
1805 2155
1806 Coro::cede; 2156 $f->resolve_delayed_derefs;
2157
2158 cf::cede_to_tick;
1807 # now do the right thing for maps 2159 # now do the right thing for maps
1808 $self->link_multipart_objects; 2160 $self->link_multipart_objects;
1809 $self->difficulty ($self->estimate_difficulty) 2161 $self->difficulty ($self->estimate_difficulty)
1810 unless $self->difficulty; 2162 unless $self->difficulty;
1811 Coro::cede; 2163 cf::cede_to_tick;
1812 2164
1813 unless ($self->{deny_activate}) { 2165 unless ($self->{deny_activate}) {
1814 $self->decay_objects; 2166 $self->decay_objects;
1815 $self->fix_auto_apply; 2167 $self->fix_auto_apply;
1816 $self->update_buttons; 2168 $self->update_buttons;
1817 Coro::cede; 2169 cf::cede_to_tick;
1818 $self->set_darkness_map;
1819 Coro::cede;
1820 $self->activate; 2170 $self->activate;
1821 } 2171 }
1822 2172
2173 $self->{last_save} = $cf::RUNTIME;
2174 $self->last_access ($cf::RUNTIME);
2175
1823 $self->in_memory (cf::MAP_IN_MEMORY); 2176 $self->in_memory (cf::MAP_ACTIVE);
1824 } 2177 }
1825 2178
1826 $self->post_load; 2179 $self->post_load;
1827}
1828 2180
2181 1
2182}
2183
2184# customize the map for a given player, i.e.
2185# return the _real_ map. used by e.g. per-player
2186# maps to change the path to ~playername/mappath
1829sub customise_for { 2187sub customise_for {
1830 my ($self, $ob) = @_; 2188 my ($self, $ob) = @_;
1831 2189
1832 return find "~" . $ob->name . "/" . $self->{path} 2190 return find "~" . $ob->name . "/" . $self->{path}
1833 if $self->per_player; 2191 if $self->per_player;
1837 2195
1838 $self 2196 $self
1839} 2197}
1840 2198
1841# find and load all maps in the 3x3 area around a map 2199# find and load all maps in the 3x3 area around a map
1842sub load_diag { 2200sub load_neighbours {
1843 my ($map) = @_; 2201 my ($map) = @_;
1844 2202
1845 my @diag; # diagonal neighbours 2203 my @neigh; # diagonal neighbours
1846 2204
1847 for (0 .. 3) { 2205 for (0 .. 3) {
1848 my $neigh = $map->tile_path ($_) 2206 my $neigh = $map->tile_path ($_)
1849 or next; 2207 or next;
1850 $neigh = find $neigh, $map 2208 $neigh = find $neigh, $map
1851 or next; 2209 or next;
1852 $neigh->load; 2210 $neigh->load;
1853 2211
2212 # now find the diagonal neighbours
2213 push @neigh,
1854 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2214 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2215 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1856 } 2216 }
1857 2217
1858 for (@diag) { 2218 for (grep defined $_->[0], @neigh) {
2219 my ($path, $origin) = @$_;
1859 my $neigh = find @$_ 2220 my $neigh = find $path, $origin
1860 or next; 2221 or next;
1861 $neigh->load; 2222 $neigh->load;
1862 } 2223 }
1863} 2224}
1864 2225
1865sub find_sync { 2226sub find_sync {
1866 my ($path, $origin) = @_; 2227 my ($path, $origin) = @_;
1867 2228
1868 cf::sync_job { find $path, $origin } 2229 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2230 if $Coro::current == $Coro::main;
2231
2232 find $path, $origin
1869} 2233}
1870 2234
1871sub do_load_sync { 2235sub do_load_sync {
1872 my ($map) = @_; 2236 my ($map) = @_;
1873 2237
1874 cf::sync_job { $map->load }; 2238 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2239 if $Coro::current == $Coro::main;
2240
2241 $map->load;
1875} 2242}
1876 2243
1877our %MAP_PREFETCH; 2244our %MAP_PREFETCH;
1878our $MAP_PREFETCHER = undef; 2245our $MAP_PREFETCHER = undef;
1879 2246
1880sub find_async { 2247sub find_async {
1881 my ($path, $origin) = @_; 2248 my ($path, $origin, $load) = @_;
1882 2249
1883 $path = normalise $path, $origin && $origin->{path}; 2250 $path = normalise $path, $origin && $origin->{path};
1884 2251
1885 if (my $map = $cf::MAP{$path}) { 2252 if (my $map = $cf::MAP{$path}) {
1886 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2253 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1887 } 2254 }
1888 2255
1889 undef $MAP_PREFETCH{$path}; 2256 $MAP_PREFETCH{$path} |= $load;
2257
1890 $MAP_PREFETCHER ||= cf::async { 2258 $MAP_PREFETCHER ||= cf::async {
2259 $Coro::current->{desc} = "map prefetcher";
2260
1891 while (%MAP_PREFETCH) { 2261 while (%MAP_PREFETCH) {
1892 for my $path (keys %MAP_PREFETCH) { 2262 while (my ($k, $v) = each %MAP_PREFETCH) {
1893 my $map = find $path 2263 if (my $map = find $k) {
1894 or next;
1895 $map->load; 2264 $map->load if $v;
2265 }
1896 2266
1897 delete $MAP_PREFETCH{$path}; 2267 delete $MAP_PREFETCH{$k};
1898 } 2268 }
1899 } 2269 }
1900 undef $MAP_PREFETCHER; 2270 undef $MAP_PREFETCHER;
1901 }; 2271 };
1902 $MAP_PREFETCHER->prio (6); 2272 $MAP_PREFETCHER->prio (6);
1903 2273
1904 () 2274 ()
1905} 2275}
1906 2276
2277# common code, used by both ->save and ->swapout
1907sub save { 2278sub _save {
1908 my ($self) = @_; 2279 my ($self) = @_;
1909
1910 my $lock = cf::lock_acquire "map_data:" . $self->path;
1911 2280
1912 $self->{last_save} = $cf::RUNTIME; 2281 $self->{last_save} = $cf::RUNTIME;
1913 2282
1914 return unless $self->dirty; 2283 return unless $self->dirty;
1915 2284
1921 return if $self->{deny_save}; 2290 return if $self->{deny_save};
1922 2291
1923 local $self->{last_access} = $self->last_access;#d# 2292 local $self->{last_access} = $self->last_access;#d#
1924 2293
1925 cf::async { 2294 cf::async {
2295 $Coro::current->{desc} = "map player save";
1926 $_->contr->save for $self->players; 2296 $_->contr->save for $self->players;
1927 }; 2297 };
2298
2299 cf::get_slot 0.02;
1928 2300
1929 if ($uniq) { 2301 if ($uniq) {
1930 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2302 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2303 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1932 } else { 2304 } else {
1933 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2305 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934 } 2306 }
1935} 2307}
1936 2308
2309sub save {
2310 my ($self) = @_;
2311
2312 my $lock = cf::lock_acquire "map_data:$self->{path}";
2313
2314 $self->_save;
2315}
2316
1937sub swap_out { 2317sub swap_out {
1938 my ($self) = @_; 2318 my ($self) = @_;
1939 2319
1940 # save first because save cedes
1941 $self->save;
1942
1943 my $lock = cf::lock_acquire "map_data:" . $self->path; 2320 my $lock = cf::lock_acquire "map_data:$self->{path}";
1944 2321
2322 return if $self->in_memory != cf::MAP_ACTIVE;
2323 return if $self->{deny_save};
1945 return if $self->players; 2324 return if $self->players;
1946 return if $self->in_memory != cf::MAP_IN_MEMORY;
1947 return if $self->{deny_save};
1948 2325
2326 # first deactivate the map and "unlink" it from the core
2327 $self->deactivate;
2328 $_->clear_links_to ($self) for values %cf::MAP;
2329 $self->in_memory (cf::MAP_SWAPPED);
2330
2331 # then atomically save
2332 $self->_save;
2333
2334 # then free the map
1949 $self->clear; 2335 $self->clear;
1950 $self->in_memory (cf::MAP_SWAPPED);
1951} 2336}
1952 2337
1953sub reset_at { 2338sub reset_at {
1954 my ($self) = @_; 2339 my ($self) = @_;
1955 2340
1973 2358
1974 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2359 my $lock = cf::lock_acquire "map_data:$self->{path}";
1975 2360
1976 return if $self->players; 2361 return if $self->players;
1977 2362
1978 warn "resetting map ", $self->path; 2363 cf::trace "resetting map ", $self->path, "\n";
1979 2364
1980 $self->in_memory (cf::MAP_SWAPPED); 2365 $self->in_memory (cf::MAP_SWAPPED);
1981 2366
1982 # need to save uniques path 2367 # need to save uniques path
1983 unless ($self->{deny_save}) { 2368 unless ($self->{deny_save}) {
1987 if $uniq; 2372 if $uniq;
1988 } 2373 }
1989 2374
1990 delete $cf::MAP{$self->path}; 2375 delete $cf::MAP{$self->path};
1991 2376
2377 $self->deactivate;
2378 $_->clear_links_to ($self) for values %cf::MAP;
1992 $self->clear; 2379 $self->clear;
1993
1994 $_->clear_links_to ($self) for values %cf::MAP;
1995 2380
1996 $self->unlink_save; 2381 $self->unlink_save;
1997 $self->destroy; 2382 $self->destroy;
1998} 2383}
1999 2384
2000my $nuke_counter = "aaaa"; 2385my $nuke_counter = "aaaa";
2001 2386
2002sub nuke { 2387sub nuke {
2003 my ($self) = @_; 2388 my ($self) = @_;
2004 2389
2390 {
2391 my $lock = cf::lock_acquire "map_data:$self->{path}";
2392
2005 delete $cf::MAP{$self->path}; 2393 delete $cf::MAP{$self->path};
2006 2394
2007 $self->unlink_save; 2395 $self->unlink_save;
2008 2396
2009 bless $self, "cf::map"; 2397 bless $self, "cf::map::wrap";
2010 delete $self->{deny_reset}; 2398 delete $self->{deny_reset};
2011 $self->{deny_save} = 1; 2399 $self->{deny_save} = 1;
2012 $self->reset_timeout (1); 2400 $self->reset_timeout (1);
2013 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2401 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014 2402
2015 $cf::MAP{$self->path} = $self; 2403 $cf::MAP{$self->path} = $self;
2404 }
2016 2405
2017 $self->reset; # polite request, might not happen 2406 $self->reset; # polite request, might not happen
2018} 2407}
2019 2408
2020=item $maps = cf::map::tmp_maps 2409=item $maps = cf::map::tmp_maps
2062 2451
2063sub unique_maps() { 2452sub unique_maps() {
2064 [ 2453 [
2065 map { 2454 map {
2066 utf8::decode $_; 2455 utf8::decode $_;
2067 /\.map$/ 2456 s/\.map$//; # TODO future compatibility hack
2457 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2458 ? ()
2068 ? normalise $_ 2459 : normalise $_
2069 : ()
2070 } @{ aio_readdir $UNIQUEDIR or [] } 2460 } @{ aio_readdir $UNIQUEDIR or [] }
2071 ] 2461 ]
2072} 2462}
2073 2463
2074package cf; 2464=item cf::map::static_maps
2465
2466Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2467file in the shared directory excluding F</styles> and F</editor>). May
2468block.
2469
2470=cut
2471
2472sub static_maps() {
2473 my @dirs = "";
2474 my @maps;
2475
2476 while (@dirs) {
2477 my $dir = shift @dirs;
2478
2479 next if $dir eq "/styles" || $dir eq "/editor";
2480
2481 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2482 or return;
2483
2484 for (@$files) {
2485 s/\.map$// or next;
2486 utf8::decode $_;
2487 push @maps, "$dir/$_";
2488 }
2489
2490 push @dirs, map "$dir/$_", @$dirs;
2491 }
2492
2493 \@maps
2494}
2075 2495
2076=back 2496=back
2077 2497
2078=head3 cf::object 2498=head3 cf::object
2079 2499
2083 2503
2084=over 4 2504=over 4
2085 2505
2086=item $ob->inv_recursive 2506=item $ob->inv_recursive
2087 2507
2088Returns the inventory of the object _and_ their inventories, recursively. 2508Returns the inventory of the object I<and> their inventories, recursively,
2509but I<not> the object itself.
2089 2510
2090=cut 2511=cut
2091 2512
2092sub inv_recursive_; 2513sub inv_recursive_;
2093sub inv_recursive_ { 2514sub inv_recursive_ {
2096 2517
2097sub inv_recursive { 2518sub inv_recursive {
2098 inv_recursive_ inv $_[0] 2519 inv_recursive_ inv $_[0]
2099} 2520}
2100 2521
2522=item $ref = $ob->ref
2523
2524Creates and returns a persistent reference to an object that can be stored as a string.
2525
2526=item $ob = cf::object::deref ($refstring)
2527
2528returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2529even if the object actually exists. May block.
2530
2531=cut
2532
2533sub deref {
2534 my ($ref) = @_;
2535
2536 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2537 my ($uuid, $name) = ($1, $2);
2538 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2539 or return;
2540 $pl->ob->uuid eq $uuid
2541 or return;
2542
2543 $pl->ob
2544 } else {
2545 warn "$ref: cannot resolve object reference\n";
2546 undef
2547 }
2548}
2549
2101package cf; 2550package cf;
2102 2551
2103=back 2552=back
2104 2553
2105=head3 cf::object::player 2554=head3 cf::object::player
2111Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2560Sends 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 2561can be C<undef>. Does the right thing when the player is currently in a
2113dialogue with the given NPC character. 2562dialogue with the given NPC character.
2114 2563
2115=cut 2564=cut
2565
2566our $SAY_CHANNEL = {
2567 id => "say",
2568 title => "Map",
2569 reply => "say ",
2570 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2571};
2572
2573our $CHAT_CHANNEL = {
2574 id => "chat",
2575 title => "Chat",
2576 reply => "chat ",
2577 tooltip => "Player chat and shouts, global to the server.",
2578};
2116 2579
2117# rough implementation of a future "reply" method that works 2580# rough implementation of a future "reply" method that works
2118# with dialog boxes. 2581# with dialog boxes.
2119#TODO: the first argument must go, split into a $npc->reply_to ( method 2582#TODO: the first argument must go, split into a $npc->reply_to ( method
2120sub cf::object::player::reply($$$;$) { 2583sub cf::object::player::reply($$$;$) {
2127 2590
2128 } else { 2591 } else {
2129 my $pl = $self->contr; 2592 my $pl = $self->contr;
2130 2593
2131 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2594 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132 my $diag = $pl->{npc_dialog}; 2595 my $dialog = $pl->{npc_dialog};
2133 $diag->{pl}->ext_reply ( 2596 $dialog->{pl}->ext_msg ($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 2597
2140 } else { 2598 } else {
2141 $msg = $npc->name . " says: $msg" if $npc; 2599 $msg = $npc->name . " says: $msg" if $npc;
2142 $self->message ($msg, $flags); 2600 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143 } 2601 }
2144 } 2602 }
2603}
2604
2605=item $object->send_msg ($channel, $msg, $color, [extra...])
2606
2607=cut
2608
2609sub cf::object::send_msg {
2610 my $pl = shift->contr
2611 or return;
2612 $pl->send_msg (@_);
2145} 2613}
2146 2614
2147=item $player_object->may ("access") 2615=item $player_object->may ("access")
2148 2616
2149Returns wether the given player is authorized to access resource "access" 2617Returns wether the given player is authorized to access resource "access"
2162 2630
2163=item $player_object->enter_link 2631=item $player_object->enter_link
2164 2632
2165Freezes the player and moves him/her to a special map (C<{link}>). 2633Freezes the player and moves him/her to a special map (C<{link}>).
2166 2634
2167The player should be reasonably safe there for short amounts of time. You 2635The player should be reasonably safe there for short amounts of time (e.g.
2168I<MUST> call C<leave_link> as soon as possible, though. 2636for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2637though, as the player cannot control the character while it is on the link
2638map.
2169 2639
2170Will never block. 2640Will never block.
2171 2641
2172=item $player_object->leave_link ($map, $x, $y) 2642=item $player_object->leave_link ($map, $x, $y)
2173 2643
2193sub cf::object::player::enter_link { 2663sub cf::object::player::enter_link {
2194 my ($self) = @_; 2664 my ($self) = @_;
2195 2665
2196 $self->deactivate_recursive; 2666 $self->deactivate_recursive;
2197 2667
2668 ++$self->{_link_recursion};
2669
2198 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2670 return if UNIVERSAL::isa $self->map, "ext::map_link";
2199 2671
2200 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2672 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201 if $self->map && $self->map->{path} ne "{link}"; 2673 if $self->map && $self->map->{path} ne "{link}";
2202 2674
2203 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2675 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2204} 2676}
2205 2677
2206sub cf::object::player::leave_link { 2678sub cf::object::player::leave_link {
2207 my ($self, $map, $x, $y) = @_; 2679 my ($self, $map, $x, $y) = @_;
2208 2680
2225 ($x, $y) = (-1, -1) 2697 ($x, $y) = (-1, -1)
2226 unless (defined $x) && (defined $y); 2698 unless (defined $x) && (defined $y);
2227 2699
2228 # use -1 or undef as default coordinates, not 0, 0 2700 # use -1 or undef as default coordinates, not 0, 0
2229 ($x, $y) = ($map->enter_x, $map->enter_y) 2701 ($x, $y) = ($map->enter_x, $map->enter_y)
2230 if $x <=0 && $y <= 0; 2702 if $x <= 0 && $y <= 0;
2231 2703
2232 $map->load; 2704 $map->load;
2233 $map->load_diag; 2705 $map->load_neighbours;
2234 2706
2235 return unless $self->contr->active; 2707 return unless $self->contr->active;
2236 $self->activate_recursive;
2237 2708
2238 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2709 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239 $self->enter_map ($map, $x, $y); 2710 if ($self->enter_map ($map, $x, $y)) {
2240} 2711 # entering was successful
2712 delete $self->{_link_recursion};
2713 # only activate afterwards, to support waiting in hooks
2714 $self->activate_recursive;
2715 }
2241 2716
2717}
2718
2242=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2719=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243 2720
2244Moves the player to the given map-path and coordinates by first freezing 2721Moves the player to the given map-path and coordinates by first freezing
2245her, loading and preparing them map, calling the provided $check callback 2722her, loading and preparing them map, calling the provided $check callback
2246that has to return the map if sucecssful, and then unfreezes the player on 2723that has to return the map if sucecssful, and then unfreezes the player on
2247the new (success) or old (failed) map position. 2724the new (success) or old (failed) map position. In either case, $done will
2725be called at the end of this process.
2726
2727Note that $check will be called with a potentially non-loaded map, so if
2728it needs a loaded map it has to call C<< ->load >>.
2248 2729
2249=cut 2730=cut
2250 2731
2251our $GOTOGEN; 2732our $GOTOGEN;
2252 2733
2253sub cf::object::player::goto { 2734sub cf::object::player::goto {
2254 my ($self, $path, $x, $y, $check) = @_; 2735 my ($self, $path, $x, $y, $check, $done) = @_;
2736
2737 if ($self->{_link_recursion} >= $MAX_LINKS) {
2738 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2739 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2740 ($path, $x, $y) = @$EMERGENCY_POSITION;
2741 }
2255 2742
2256 # do generation counting so two concurrent goto's will be executed in-order 2743 # do generation counting so two concurrent goto's will be executed in-order
2257 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2744 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258 2745
2259 $self->enter_link; 2746 $self->enter_link;
2260 2747
2261 (async { 2748 (async {
2749 $Coro::current->{desc} = "player::goto $path $x $y";
2750
2751 # *tag paths override both path and x|y
2752 if ($path =~ /^\*(.*)$/) {
2753 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2754 my $ob = $obs[rand @obs];
2755
2756 # see if we actually can go there
2757 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2758 $ob = $obs[rand @obs];
2759 } else {
2760 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2761 }
2762 # else put us there anyways for now #d#
2763
2764 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2765 } else {
2766 ($path, $x, $y) = (undef, undef, undef);
2767 }
2768 }
2769
2262 my $map = eval { 2770 my $map = eval {
2263 my $map = cf::map::find $path; 2771 my $map = defined $path ? cf::map::find $path : undef;
2264 2772
2265 if ($map) { 2773 if ($map) {
2266 $map = $map->customise_for ($self); 2774 $map = $map->customise_for ($self);
2267 $map = $check->($map) if $check && $map; 2775 $map = $check->($map, $x, $y, $self) if $check && $map;
2268 } else { 2776 } else {
2269 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2777 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270 } 2778 }
2271 2779
2272 $map 2780 $map
2273 }; 2781 };
2274 2782
2279 2787
2280 if ($gen == $self->{_goto_generation}) { 2788 if ($gen == $self->{_goto_generation}) {
2281 delete $self->{_goto_generation}; 2789 delete $self->{_goto_generation};
2282 $self->leave_link ($map, $x, $y); 2790 $self->leave_link ($map, $x, $y);
2283 } 2791 }
2792
2793 $done->($self) if $done;
2284 })->prio (1); 2794 })->prio (1);
2285} 2795}
2286 2796
2287=item $player_object->enter_exit ($exit_object) 2797=item $player_object->enter_exit ($exit_object)
2288 2798
2308} 2818}
2309 2819
2310sub prepare_random_map { 2820sub prepare_random_map {
2311 my ($exit) = @_; 2821 my ($exit) = @_;
2312 2822
2313 my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315 # all this does is basically replace the /! path by 2823 # all this does is basically replace the /! path by
2316 # a new random map path (?random/...) with a seed 2824 # a new random map path (?random/...) with a seed
2317 # that depends on the exit object 2825 # that depends on the exit object
2318 2826
2319 my $rmp = parse_random_map_params $exit->msg; 2827 my $rmp = parse_random_map_params $exit->msg;
2321 if ($exit->map) { 2829 if ($exit->map) {
2322 $rmp->{region} = $exit->region->name; 2830 $rmp->{region} = $exit->region->name;
2323 $rmp->{origin_map} = $exit->map->path; 2831 $rmp->{origin_map} = $exit->map->path;
2324 $rmp->{origin_x} = $exit->x; 2832 $rmp->{origin_x} = $exit->x;
2325 $rmp->{origin_y} = $exit->y; 2833 $rmp->{origin_y} = $exit->y;
2834
2835 $exit->map->touch;
2326 } 2836 }
2327 2837
2328 $rmp->{random_seed} ||= $exit->random_seed; 2838 $rmp->{random_seed} ||= $exit->random_seed;
2329 2839
2330 my $data = cf::to_json $rmp; 2840 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331 my $md5 = Digest::MD5::md5_hex $data; 2841 my $md5 = Digest::MD5::md5_hex $data;
2332 my $meta = "$RANDOMDIR/$md5.meta"; 2842 my $meta = "$RANDOMDIR/$md5.meta";
2333 2843
2334 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2844 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335 aio_write $fh, 0, (length $data), $data, 0; 2845 aio_write $fh, 0, (length $data), $data, 0;
2336 undef $fh; 2846 undef $fh;
2337 aio_rename "$meta~", $meta; 2847 aio_rename "$meta~", $meta;
2338 2848
2849 my $slaying = "?random/$md5";
2850
2851 if ($exit->valid) {
2339 $exit->slaying ("?random/$md5"); 2852 $exit->slaying ("?random/$md5");
2340 $exit->msg (undef); 2853 $exit->msg (undef);
2854 }
2341 } 2855 }
2342} 2856}
2343 2857
2344sub cf::object::player::enter_exit { 2858sub cf::object::player::enter_exit {
2345 my ($self, $exit) = @_; 2859 my ($self, $exit) = @_;
2346 2860
2347 return unless $self->type == cf::PLAYER; 2861 return unless $self->type == cf::PLAYER;
2348 2862
2349 if ($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; 2863 $self->enter_link;
2361 2864
2362 # if exit is damned, update players death & WoR home-position
2363 $self->contr->savebed ($slaying, $hp, $sp)
2364 if $exit->flag (FLAG_DAMNED);
2365
2366 (async { 2865 (async {
2367 $self->deactivate_recursive; # just to be sure 2866 $Coro::current->{desc} = "enter_exit";
2867
2368 unless (eval { 2868 unless (eval {
2869 $self->deactivate_recursive; # just to be sure
2870
2871 # random map handling
2872 {
2873 my $guard = cf::lock_acquire "exit_prepare:$exit";
2874
2875 prepare_random_map $exit
2876 if $exit->slaying eq "/!";
2877 }
2878
2879 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2880 my $x = $exit->stats->hp;
2881 my $y = $exit->stats->sp;
2882
2369 $self->goto ($slaying, $hp, $sp); 2883 $self->goto ($map, $x, $y);
2370 2884
2885 # if exit is damned, update players death & WoR home-position
2886 $self->contr->savebed ($map, $x, $y)
2887 if $exit->flag (cf::FLAG_DAMNED);
2888
2371 1; 2889 1
2372 }) { 2890 }) {
2373 $self->message ("Something went wrong deep within the crossfire server. " 2891 $self->message ("Something went wrong deep within the deliantra server. "
2374 . "I'll try to bring you back to the map you were before. " 2892 . "I'll try to bring you back to the map you were before. "
2375 . "Please report this to the dungeon master!", 2893 . "Please report this to the dungeon master!",
2376 cf::NDI_UNIQUE | cf::NDI_RED); 2894 cf::NDI_UNIQUE | cf::NDI_RED);
2377 2895
2378 warn "ERROR in enter_exit: $@"; 2896 error "ERROR in enter_exit: $@";
2379 $self->leave_link; 2897 $self->leave_link;
2380 } 2898 }
2381 })->prio (1); 2899 })->prio (1);
2382} 2900}
2383 2901
2397 2915
2398 utf8::encode $text; 2916 utf8::encode $text;
2399 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2917 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400} 2918}
2401 2919
2920=item $client->send_big_packet ($pkt)
2921
2922Like C<send_packet>, but tries to compress large packets, and fragments
2923them as required.
2924
2925=cut
2926
2927our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2928
2929sub cf::client::send_big_packet {
2930 my ($self, $pkt) = @_;
2931
2932 # try lzf for large packets
2933 $pkt = "lzf " . Compress::LZF::compress $pkt
2934 if 1024 <= length $pkt and $self->{can_lzf};
2935
2936 # split very large packets
2937 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2938 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2939 $pkt = "frag";
2940 }
2941
2942 $self->send_packet ($pkt);
2943}
2944
2402=item $client->send_msg ($color, $type, $msg, [extra...]) 2945=item $client->send_msg ($channel, $msg, $color, [extra...])
2403 2946
2404Send a drawinfo or msg packet to the client, formatting the msg for the 2947Send a drawinfo or msg packet to the client, formatting the msg for the
2405client if neccessary. C<$type> should be a string identifying the type of 2948client if neccessary. C<$type> should be a string identifying the type of
2406the message, with C<log> being the default. If C<$color> is negative, suppress 2949the message, with C<log> being the default. If C<$color> is negative, suppress
2407the message unless the client supports the msg packet. 2950the message unless the client supports the msg packet.
2408 2951
2409=cut 2952=cut
2410 2953
2954# non-persistent channels (usually the info channel)
2955our %CHANNEL = (
2956 "c/motd" => {
2957 id => "infobox",
2958 title => "MOTD",
2959 reply => undef,
2960 tooltip => "The message of the day",
2961 },
2962 "c/identify" => {
2963 id => "infobox",
2964 title => "Identify",
2965 reply => undef,
2966 tooltip => "Items recently identified",
2967 },
2968 "c/examine" => {
2969 id => "infobox",
2970 title => "Examine",
2971 reply => undef,
2972 tooltip => "Signs and other items you examined",
2973 },
2974 "c/shopinfo" => {
2975 id => "infobox",
2976 title => "Shop Info",
2977 reply => undef,
2978 tooltip => "What your bargaining skill tells you about the shop",
2979 },
2980 "c/book" => {
2981 id => "infobox",
2982 title => "Book",
2983 reply => undef,
2984 tooltip => "The contents of a note or book",
2985 },
2986 "c/lookat" => {
2987 id => "infobox",
2988 title => "Look",
2989 reply => undef,
2990 tooltip => "What you saw there",
2991 },
2992 "c/who" => {
2993 id => "infobox",
2994 title => "Players",
2995 reply => undef,
2996 tooltip => "Shows players who are currently online",
2997 },
2998 "c/body" => {
2999 id => "infobox",
3000 title => "Body Parts",
3001 reply => undef,
3002 tooltip => "Shows which body parts you posess and are available",
3003 },
3004 "c/statistics" => {
3005 id => "infobox",
3006 title => "Statistics",
3007 reply => undef,
3008 tooltip => "Shows your primary statistics",
3009 },
3010 "c/skills" => {
3011 id => "infobox",
3012 title => "Skills",
3013 reply => undef,
3014 tooltip => "Shows your experience per skill and item power",
3015 },
3016 "c/shopitems" => {
3017 id => "infobox",
3018 title => "Shop Items",
3019 reply => undef,
3020 tooltip => "Shows the items currently for sale in this shop",
3021 },
3022 "c/resistances" => {
3023 id => "infobox",
3024 title => "Resistances",
3025 reply => undef,
3026 tooltip => "Shows your resistances",
3027 },
3028 "c/pets" => {
3029 id => "infobox",
3030 title => "Pets",
3031 reply => undef,
3032 tooltip => "Shows information abotu your pets/a specific pet",
3033 },
3034 "c/perceiveself" => {
3035 id => "infobox",
3036 title => "Perceive Self",
3037 reply => undef,
3038 tooltip => "You gained detailed knowledge about yourself",
3039 },
3040 "c/uptime" => {
3041 id => "infobox",
3042 title => "Uptime",
3043 reply => undef,
3044 tooltip => "How long the server has been running since last restart",
3045 },
3046 "c/mapinfo" => {
3047 id => "infobox",
3048 title => "Map Info",
3049 reply => undef,
3050 tooltip => "Information related to the maps",
3051 },
3052 "c/party" => {
3053 id => "party",
3054 title => "Party",
3055 reply => "gsay ",
3056 tooltip => "Messages and chat related to your party",
3057 },
3058 "c/death" => {
3059 id => "death",
3060 title => "Death",
3061 reply => undef,
3062 tooltip => "Reason for and more info about your most recent death",
3063 },
3064 "c/say" => $SAY_CHANNEL,
3065 "c/chat" => $CHAT_CHANNEL,
3066);
3067
2411sub cf::client::send_msg { 3068sub cf::client::send_msg {
2412 my ($self, $color, $type, $msg, @extra) = @_; 3069 my ($self, $channel, $msg, $color, @extra) = @_;
2413 3070
2414 $msg = $self->pl->expand_cfpod ($msg); 3071 $msg = $self->pl->expand_cfpod ($msg)
3072 unless $color & cf::NDI_VERBATIM;
3073
3074 $color &= cf::NDI_CLIENT_MASK; # just in case...
3075
3076 # check predefined channels, for the benefit of C
3077 if ($CHANNEL{$channel}) {
3078 $channel = $CHANNEL{$channel};
3079
3080 $self->ext_msg (channel_info => $channel);
3081 $channel = $channel->{id};
3082
3083 } elsif (ref $channel) {
3084 # send meta info to client, if not yet sent
3085 unless (exists $self->{channel}{$channel->{id}}) {
3086 $self->{channel}{$channel->{id}} = $channel;
3087 $self->ext_msg (channel_info => $channel);
3088 }
3089
3090 $channel = $channel->{id};
3091 }
2415 3092
2416 return unless @extra || length $msg; 3093 return unless @extra || length $msg;
2417 3094
2418 if ($self->can_msg) { 3095 # default colour, mask it out
2419 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 3096 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420 } else { 3097 if $color & cf::NDI_DEF;
2421 # replace some tags by gcfclient-compatible ones
2422 for ($msg) {
2423 1 while
2424 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429 }
2430 3098
2431 if ($color >= 0) { 3099 my $pkt = "msg "
2432 if (0 && $msg =~ /\[/) { 3100 . $self->{json_coder}->encode (
2433 $self->send_packet ("drawextinfo $color 4 0 $msg") 3101 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434 } else { 3102 );
2435 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436 $self->send_packet ("drawinfo $color $msg")
2437 }
2438 }
2439 }
2440}
2441 3103
3104 $self->send_big_packet ($pkt);
3105}
3106
2442=item $client->ext_event ($type, %msg) 3107=item $client->ext_msg ($type, @msg)
2443 3108
2444Sends an ext event to the client. 3109Sends an ext event to the client.
2445 3110
2446=cut 3111=cut
2447 3112
2448sub cf::client::ext_event($$%) { 3113sub cf::client::ext_msg($$@) {
2449 my ($self, $type, %msg) = @_; 3114 my ($self, $type, @msg) = @_;
2450 3115
3116 if ($self->extcmd == 2) {
3117 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3118 } elsif ($self->extcmd == 1) { # TODO: remove
2451 $msg{msgtype} = "event_$type"; 3119 push @msg, msgtype => "event_$type";
2452 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3120 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3121 }
3122}
3123
3124=item $client->ext_reply ($msgid, @msg)
3125
3126Sends an ext reply to the client.
3127
3128=cut
3129
3130sub cf::client::ext_reply($$@) {
3131 my ($self, $id, @msg) = @_;
3132
3133 if ($self->extcmd == 2) {
3134 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3135 } elsif ($self->extcmd == 1) {
3136 #TODO: version 1, remove
3137 unshift @msg, msgtype => "reply", msgid => $id;
3138 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3139 }
2453} 3140}
2454 3141
2455=item $success = $client->query ($flags, "text", \&cb) 3142=item $success = $client->query ($flags, "text", \&cb)
2456 3143
2457Queues a query to the client, calling the given callback with 3144Queues a query to the client, calling the given callback with
2512 my ($ns, $buf) = @_; 3199 my ($ns, $buf) = @_;
2513 3200
2514 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3201 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515 3202
2516 if (ref $msg) { 3203 if (ref $msg) {
3204 my ($type, $reply, @payload) =
3205 "ARRAY" eq ref $msg
3206 ? @$msg
3207 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3208
3209 my @reply;
3210
2517 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3211 if (my $cb = $EXTICMD{$type}) {
2518 if (my %reply = $cb->($ns, $msg)) { 3212 @reply = $cb->($ns, @payload);
2519 $reply{msgid} = $msg->{msgid};
2520 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521 }
2522 } 3213 }
3214
3215 $ns->ext_reply ($reply, @reply)
3216 if $reply;
3217
2523 } else { 3218 } else {
2524 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3219 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525 } 3220 }
2526 3221
2527 cf::override; 3222 cf::override;
2528 }, 3223 },
2529); 3224);
2549 3244
2550 $coro 3245 $coro
2551} 3246}
2552 3247
2553cf::client->attach ( 3248cf::client->attach (
2554 on_destroy => sub { 3249 on_client_destroy => sub {
2555 my ($ns) = @_; 3250 my ($ns) = @_;
2556 3251
2557 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3252 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558 }, 3253 },
2559); 3254);
2574our $safe = new Safe "safe"; 3269our $safe = new Safe "safe";
2575our $safe_hole = new Safe::Hole; 3270our $safe_hole = new Safe::Hole;
2576 3271
2577$SIG{FPE} = 'IGNORE'; 3272$SIG{FPE} = 'IGNORE';
2578 3273
2579$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3274$safe->permit_only (Opcode::opset qw(
3275 :base_core :base_mem :base_orig :base_math :base_loop
3276 grepstart grepwhile mapstart mapwhile
3277 sort time
3278));
2580 3279
2581# here we export the classes and methods available to script code 3280# here we export the classes and methods available to script code
2582 3281
2583=pod 3282=pod
2584 3283
2585The following functions and methods are available within a safe environment: 3284The following functions and methods are available within a safe environment:
2586 3285
2587 cf::object contr pay_amount pay_player map 3286 cf::object
3287 contr pay_amount pay_player map x y force_find force_add destroy
3288 insert remove name archname title slaying race decrease split
3289 value
3290
2588 cf::object::player player 3291 cf::object::player
2589 cf::player peaceful 3292 player
2590 cf::map trigger 3293
3294 cf::player
3295 peaceful
3296
3297 cf::map
3298 trigger
2591 3299
2592=cut 3300=cut
2593 3301
2594for ( 3302for (
2595 ["cf::object" => qw(contr pay_amount pay_player map)], 3303 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3304 insert remove inv nrof name archname title slaying race
3305 decrease split destroy change_exp value msg lore send_msg)],
2596 ["cf::object::player" => qw(player)], 3306 ["cf::object::player" => qw(player)],
2597 ["cf::player" => qw(peaceful)], 3307 ["cf::player" => qw(peaceful send_msg)],
2598 ["cf::map" => qw(trigger)], 3308 ["cf::map" => qw(trigger)],
2599) { 3309) {
2600 no strict 'refs';
2601 my ($pkg, @funs) = @$_; 3310 my ($pkg, @funs) = @$_;
2602 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3311 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2603 for @funs; 3312 for @funs;
2604} 3313}
2605 3314
2620 3329
2621 my $qcode = $code; 3330 my $qcode = $code;
2622 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3331 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2623 $qcode =~ s/\n/\\n/g; 3332 $qcode =~ s/\n/\\n/g;
2624 3333
3334 %vars = (_dummy => 0) unless %vars;
3335
3336 my @res;
2625 local $_; 3337 local $_;
2626 local @safe::cf::_safe_eval_args = values %vars;
2627 3338
2628 my $eval = 3339 my $eval =
2629 "do {\n" 3340 "do {\n"
2630 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3341 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2631 . "#line 0 \"{$qcode}\"\n" 3342 . "#line 0 \"{$qcode}\"\n"
2632 . $code 3343 . $code
2633 . "\n}" 3344 . "\n}"
2634 ; 3345 ;
2635 3346
3347 if ($CFG{safe_eval}) {
2636 sub_generation_inc; 3348 sub_generation_inc;
3349 local @safe::cf::_safe_eval_args = values %vars;
2637 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3350 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2638 sub_generation_inc; 3351 sub_generation_inc;
3352 } else {
3353 local @cf::_safe_eval_args = values %vars;
3354 @res = wantarray ? eval eval : scalar eval $eval;
3355 }
2639 3356
2640 if ($@) { 3357 if ($@) {
2641 warn "$@"; 3358 warn "$@",
2642 warn "while executing safe code '$code'\n"; 3359 "while executing safe code '$code'\n",
2643 warn "with arguments " . (join " ", %vars) . "\n"; 3360 "with arguments " . (join " ", %vars) . "\n";
2644 } 3361 }
2645 3362
2646 wantarray ? @res : $res[0] 3363 wantarray ? @res : $res[0]
2647} 3364}
2648 3365
2662=cut 3379=cut
2663 3380
2664sub register_script_function { 3381sub register_script_function {
2665 my ($fun, $cb) = @_; 3382 my ($fun, $cb) = @_;
2666 3383
2667 no strict 'refs'; 3384 $fun = "safe::$fun" if $CFG{safe_eval};
2668 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3385 *$fun = $safe_hole->wrap ($cb);
2669} 3386}
2670 3387
2671=back 3388=back
2672 3389
2673=cut 3390=cut
2676# the server's init and main functions 3393# the server's init and main functions
2677 3394
2678sub load_facedata($) { 3395sub load_facedata($) {
2679 my ($path) = @_; 3396 my ($path) = @_;
2680 3397
3398 # HACK to clear player env face cache, we need some signal framework
3399 # for this (global event?)
3400 %ext::player_env::MUSIC_FACE_CACHE = ();
3401
3402 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3403
2681 warn "loading facedata from $path\n"; 3404 trace "loading facedata from $path\n";
2682 3405
2683 my $facedata;
2684 0 < aio_load $path, $facedata 3406 0 < aio_load $path, my $facedata
2685 or die "$path: $!"; 3407 or die "$path: $!";
2686 3408
2687 $facedata = Coro::Storable::thaw $facedata; 3409 $facedata = Coro::Storable::thaw $facedata;
2688 3410
2689 $facedata->{version} == 2 3411 $facedata->{version} == 2
2690 or cf::cleanup "$path: version mismatch, cannot proceed."; 3412 or cf::cleanup "$path: version mismatch, cannot proceed.";
2691 3413
3414 # patch in the exptable
3415 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3416 $facedata->{resource}{"res/exp_table"} = {
3417 type => FT_RSRC,
3418 data => $exp_table,
3419 hash => (Digest::MD5::md5 $exp_table),
3420 };
3421 cf::cede_to_tick;
3422
2692 { 3423 {
2693 my $faces = $facedata->{faceinfo}; 3424 my $faces = $facedata->{faceinfo};
2694 3425
2695 while (my ($face, $info) = each %$faces) { 3426 while (my ($face, $info) = each %$faces) {
2696 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3427 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3428
2697 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3429 cf::face::set_visibility $idx, $info->{visibility};
3430 cf::face::set_magicmap $idx, $info->{magicmap};
2698 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3431 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2699 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3432 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2700 Coro::cede; 3433 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3434
3435 cf::cede_to_tick;
2701 } 3436 }
2702 3437
2703 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2704 next unless $info->{smooth}; 3439 next unless $info->{smooth};
3440
2705 my $idx = cf::face::find $face 3441 my $idx = cf::face::find $face
2706 or next; 3442 or next;
3443
2707 if (my $smooth = cf::face::find $info->{smooth}) { 3444 if (my $smooth = cf::face::find $info->{smooth}) {
3445 cf::face::set_smooth $idx, $smooth;
2708 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3446 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2709 } else { 3447 } else {
2710 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3448 error "smooth face '$info->{smooth}' not found for face '$face'";
2711 } 3449 }
2712 Coro::cede; 3450
3451 cf::cede_to_tick;
2713 } 3452 }
2714 } 3453 }
2715 3454
2716 { 3455 {
2717 my $anims = $facedata->{animinfo}; 3456 my $anims = $facedata->{animinfo};
2718 3457
2719 while (my ($anim, $info) = each %$anims) { 3458 while (my ($anim, $info) = each %$anims) {
2720 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3459 cf::anim::set $anim, $info->{frames}, $info->{facings};
2721 Coro::cede; 3460 cf::cede_to_tick;
2722 } 3461 }
2723 3462
2724 cf::anim::invalidate_all; # d'oh 3463 cf::anim::invalidate_all; # d'oh
2725 } 3464 }
2726 3465
3466 {
3467 my $res = $facedata->{resource};
3468
3469 while (my ($name, $info) = each %$res) {
3470 if (defined $info->{type}) {
3471 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3472
3473 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3474 cf::face::set_type $idx, $info->{type};
3475 } else {
3476 $RESOURCE{$name} = $info; # unused
3477 }
3478
3479 cf::cede_to_tick;
3480 }
3481 }
3482
3483 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3484
2727 1 3485 1
2728} 3486}
2729 3487
3488register_exticmd fx_want => sub {
3489 my ($ns, $want) = @_;
3490
3491 while (my ($k, $v) = each %$want) {
3492 $ns->fx_want ($k, $v);
3493 }
3494};
3495
3496sub load_resource_file($) {
3497 my $guard = lock_acquire "load_resource_file";
3498
3499 my $status = load_resource_file_ $_[0];
3500 get_slot 0.1, 100;
3501 cf::arch::commit_load;
3502
3503 $status
3504}
3505
2730sub reload_regions { 3506sub reload_regions {
3507 # HACK to clear player env face cache, we need some signal framework
3508 # for this (global event?)
3509 %ext::player_env::MUSIC_FACE_CACHE = ();
3510
2731 load_resource_file "$MAPDIR/regions" 3511 load_resource_file "$MAPDIR/regions"
2732 or die "unable to load regions file\n"; 3512 or die "unable to load regions file\n";
3513
3514 for (cf::region::list) {
3515 $_->{match} = qr/$_->{match}/
3516 if exists $_->{match};
3517 }
2733} 3518}
2734 3519
2735sub reload_facedata { 3520sub reload_facedata {
2736 load_facedata "$DATADIR/facedata" 3521 load_facedata "$DATADIR/facedata"
2737 or die "unable to load facedata\n"; 3522 or die "unable to load facedata\n";
2738} 3523}
2739 3524
2740sub reload_archetypes { 3525sub reload_archetypes {
2741 load_resource_file "$DATADIR/archetypes" 3526 load_resource_file "$DATADIR/archetypes"
2742 or die "unable to load archetypes\n"; 3527 or die "unable to load archetypes\n";
2743 #d# NEED to laod twice to resolve forward references
2744 # this really needs to be done in an extra post-pass
2745 # (which needs to be synchronous, so solve it differently)
2746 load_resource_file "$DATADIR/archetypes"
2747 or die "unable to load archetypes\n";
2748} 3528}
2749 3529
2750sub reload_treasures { 3530sub reload_treasures {
2751 load_resource_file "$DATADIR/treasures" 3531 load_resource_file "$DATADIR/treasures"
2752 or die "unable to load treasurelists\n"; 3532 or die "unable to load treasurelists\n";
2753} 3533}
2754 3534
3535sub reload_sound {
3536 trace "loading sound config from $DATADIR/sound\n";
3537
3538 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3539 or die "$DATADIR/sound $!";
3540
3541 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3542
3543 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3544 my $sound = $soundconf->{compat}[$_]
3545 or next;
3546
3547 my $face = cf::face::find "sound/$sound->[1]";
3548 cf::sound::set $sound->[0] => $face;
3549 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3550 }
3551
3552 while (my ($k, $v) = each %{$soundconf->{event}}) {
3553 my $face = cf::face::find "sound/$v";
3554 cf::sound::set $k => $face;
3555 }
3556}
3557
2755sub reload_resources { 3558sub reload_resources {
2756 warn "reloading resource files...\n"; 3559 trace "reloading resource files...\n";
2757 3560
3561 reload_exp_table;
3562 reload_materials;
3563 reload_facedata;
3564 reload_sound;
3565 reload_archetypes;
2758 reload_regions; 3566 reload_regions;
2759 reload_facedata;
2760 #reload_archetypes;#d#
2761 reload_archetypes;
2762 reload_treasures; 3567 reload_treasures;
2763 3568
2764 warn "finished reloading resource files\n"; 3569 trace "finished reloading resource files\n";
2765} 3570}
2766 3571
2767sub init { 3572sub reload_config {
2768 reload_resources; 3573 trace "reloading config file...\n";
2769}
2770 3574
2771sub cfg_load { 3575 0 < aio_load "$CONFDIR/config", my $config
2772 open my $fh, "<:utf8", "$CONFDIR/config" 3576 or die "$CONFDIR/config: $!";
2773 or return;
2774 3577
2775 local $/; 3578 utf8::decode $config;
2776 *CFG = YAML::Syck::Load <$fh>; 3579 *CFG = yaml_load $config;
2777 3580
2778 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2779 3582
2780 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2781 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2782 3585
2783 if (exists $CFG{mlockall}) { 3586 if (exists $CFG{mlockall}) {
2787 }; 3590 };
2788 warn $@ if $@; 3591 warn $@ if $@;
2789 } 3592 }
2790} 3593}
2791 3594
3595sub pidfile() {
3596 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3597 or die "$PIDFILE: $!";
3598 flock $fh, &Fcntl::LOCK_EX
3599 or die "$PIDFILE: flock: $!";
3600 $fh
3601}
3602
3603# make sure only one server instance is running at any one time
3604sub atomic {
3605 my $fh = pidfile;
3606
3607 my $pid = <$fh>;
3608 kill 9, $pid if $pid > 0;
3609
3610 seek $fh, 0, 0;
3611 print $fh $$;
3612}
3613
3614sub main_loop {
3615 trace "EV::loop starting\n";
3616 if (1) {
3617 EV::loop;
3618 }
3619 trace "EV::loop returned\n";
3620 goto &main_loop unless $REALLY_UNLOOP;
3621}
3622
2792sub main { 3623sub main {
3624 cf::init_globals; # initialise logging
3625
3626 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3627 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3628 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3629 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3630
3631 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3632
2793 # we must not ever block the main coroutine 3633 # we must not ever block the main coroutine
2794 local $Coro::idle = sub { 3634 local $Coro::idle = sub {
2795 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3635 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2796 (async { 3636 (async {
2797 Event::one_event; 3637 $Coro::current->{desc} = "IDLE BUG HANDLER";
3638 EV::loop EV::LOOP_ONESHOT;
2798 })->prio (Coro::PRIO_MAX); 3639 })->prio (Coro::PRIO_MAX);
2799 }; 3640 };
2800 3641
2801 cfg_load; 3642 evthread_start IO::AIO::poll_fileno;
3643
3644 cf::sync_job {
3645 cf::incloader::init ();
3646
3647 cf::init_anim;
3648 cf::init_attackmess;
3649 cf::init_dynamic;
3650
3651 cf::load_settings;
3652
3653 reload_resources;
3654 reload_config;
2802 db_init; 3655 db_init;
3656
3657 cf::init_uuid;
3658 cf::init_signals;
3659 cf::init_skills;
3660
3661 cf::init_beforeplay;
3662
3663 atomic;
3664
2803 load_extensions; 3665 load_extensions;
2804 3666
2805 $TICK_WATCHER->start; 3667 utime time, time, $RUNTIMEFILE;
2806 Event::loop; 3668
3669 # no (long-running) fork's whatsoever before this point(!)
3670 use POSIX ();
3671 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3672
3673 cf::_post_init 0;
3674 };
3675
3676 cf::object::thawer::errors_are_fatal 0;
3677 info "parse errors in files are no longer fatal from this point on.\n";
3678
3679 my $free_main; $free_main = EV::idle sub {
3680 undef $free_main;
3681 undef &main; # free gobs of memory :)
3682 };
3683
3684 goto &main_loop;
2807} 3685}
2808 3686
2809############################################################################# 3687#############################################################################
2810# initialisation and cleanup 3688# initialisation and cleanup
2811 3689
2812# install some emergency cleanup handlers 3690# install some emergency cleanup handlers
2813BEGIN { 3691BEGIN {
3692 our %SIGWATCHER = ();
2814 for my $signal (qw(INT HUP TERM)) { 3693 for my $signal (qw(INT HUP TERM)) {
2815 Event->signal ( 3694 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2816 reentrant => 0,
2817 data => WF_AUTOCANCEL,
2818 signal => $signal,
2819 prio => 0,
2820 cb => sub {
2821 cf::cleanup "SIG$signal"; 3695 cf::cleanup "SIG$signal";
2822 },
2823 ); 3696 };
2824 } 3697 }
2825} 3698}
2826 3699
2827sub write_runtime { 3700sub write_runtime_sync {
2828 my $runtime = "$LOCALDIR/runtime"; 3701 my $t0 = AE::time;
2829 3702
2830 # first touch the runtime file to show we are still running: 3703 # first touch the runtime file to show we are still running:
2831 # the fsync below can take a very very long time. 3704 # the fsync below can take a very very long time.
2832 3705
2833 IO::AIO::aio_utime $runtime, undef, undef; 3706 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2834 3707
2835 my $guard = cf::lock_acquire "write_runtime"; 3708 my $guard = cf::lock_acquire "write_runtime";
2836 3709
2837 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3710 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2838 or return; 3711 or return;
2839 3712
2840 my $value = $cf::RUNTIME + 90 + 10; 3713 my $value = $cf::RUNTIME + 90 + 10;
2841 # 10 is the runtime save interval, for a monotonic clock 3714 # 10 is the runtime save interval, for a monotonic clock
2842 # 60 allows for the watchdog to kill the server. 3715 # 60 allows for the watchdog to kill the server.
2852 aio_utime $fh, undef, undef; 3725 aio_utime $fh, undef, undef;
2853 3726
2854 close $fh 3727 close $fh
2855 or return; 3728 or return;
2856 3729
2857 aio_rename "$runtime~", $runtime 3730 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2858 and return; 3731 and return;
2859 3732
2860 warn "runtime file written.\n"; 3733 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2861 3734
2862 1 3735 1
3736}
3737
3738our $uuid_lock;
3739our $uuid_skip;
3740
3741sub write_uuid_sync($) {
3742 $uuid_skip ||= $_[0];
3743
3744 return if $uuid_lock;
3745 local $uuid_lock = 1;
3746
3747 my $uuid = "$LOCALDIR/uuid";
3748
3749 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3750 or return;
3751
3752 my $value = uuid_seq uuid_cur;
3753
3754 unless ($value) {
3755 info "cowardly refusing to write zero uuid value!\n";
3756 return;
3757 }
3758
3759 my $value = uuid_str $value + $uuid_skip;
3760 $uuid_skip = 0;
3761
3762 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3763 and return;
3764
3765 # always fsync - this file is important
3766 aio_fsync $fh
3767 and return;
3768
3769 close $fh
3770 or return;
3771
3772 aio_rename "$uuid~", $uuid
3773 and return;
3774
3775 trace "uuid file written ($value).\n";
3776
3777 1
3778
3779}
3780
3781sub write_uuid($$) {
3782 my ($skip, $sync) = @_;
3783
3784 $sync ? write_uuid_sync $skip
3785 : async { write_uuid_sync $skip };
2863} 3786}
2864 3787
2865sub emergency_save() { 3788sub emergency_save() {
2866 my $freeze_guard = cf::freeze_mainloop; 3789 my $freeze_guard = cf::freeze_mainloop;
2867 3790
2868 warn "enter emergency perl save\n"; 3791 info "emergency_perl_save: enter\n";
3792
3793 # this is a trade-off: we want to be very quick here, so
3794 # save all maps without fsync, and later call a global sync
3795 # (which in turn might be very very slow)
3796 local $USE_FSYNC = 0;
2869 3797
2870 cf::sync_job { 3798 cf::sync_job {
3799 cf::write_runtime_sync; # external watchdog should not bark
3800
2871 # use a peculiar iteration method to avoid tripping on perl 3801 # use a peculiar iteration method to avoid tripping on perl
2872 # refcount bugs in for. also avoids problems with players 3802 # refcount bugs in for. also avoids problems with players
2873 # and maps saved/destroyed asynchronously. 3803 # and maps saved/destroyed asynchronously.
2874 warn "begin emergency player save\n"; 3804 info "emergency_perl_save: begin player save\n";
2875 for my $login (keys %cf::PLAYER) { 3805 for my $login (keys %cf::PLAYER) {
2876 my $pl = $cf::PLAYER{$login} or next; 3806 my $pl = $cf::PLAYER{$login} or next;
2877 $pl->valid or next; 3807 $pl->valid or next;
3808 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2878 $pl->save; 3809 $pl->save;
2879 } 3810 }
2880 warn "end emergency player save\n"; 3811 info "emergency_perl_save: end player save\n";
2881 3812
2882 warn "begin emergency map save\n"; 3813 cf::write_runtime_sync; # external watchdog should not bark
3814
3815 info "emergency_perl_save: begin map save\n";
2883 for my $path (keys %cf::MAP) { 3816 for my $path (keys %cf::MAP) {
2884 my $map = $cf::MAP{$path} or next; 3817 my $map = $cf::MAP{$path} or next;
2885 $map->valid or next; 3818 $map->valid or next;
2886 $map->save; 3819 $map->save;
2887 } 3820 }
2888 warn "end emergency map save\n"; 3821 info "emergency_perl_save: end map save\n";
2889 3822
2890 warn "begin emergency database checkpoint\n"; 3823 cf::write_runtime_sync; # external watchdog should not bark
3824
3825 info "emergency_perl_save: begin database checkpoint\n";
2891 BDB::db_env_txn_checkpoint $DB_ENV; 3826 BDB::db_env_txn_checkpoint $DB_ENV;
2892 warn "end emergency database checkpoint\n"; 3827 info "emergency_perl_save: end database checkpoint\n";
3828
3829 info "emergency_perl_save: begin write uuid\n";
3830 write_uuid_sync 1;
3831 info "emergency_perl_save: end write uuid\n";
3832
3833 cf::write_runtime_sync; # external watchdog should not bark
3834
3835 trace "emergency_perl_save: syncing database to disk";
3836 BDB::db_env_txn_checkpoint $DB_ENV;
3837
3838 info "emergency_perl_save: starting sync\n";
3839 IO::AIO::aio_sync sub {
3840 info "emergency_perl_save: finished sync\n";
3841 };
3842
3843 cf::write_runtime_sync; # external watchdog should not bark
3844
3845 trace "emergency_perl_save: flushing outstanding aio requests";
3846 while (IO::AIO::nreqs || BDB::nreqs) {
3847 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3848 }
3849
3850 cf::write_runtime_sync; # external watchdog should not bark
2893 }; 3851 };
2894 3852
2895 warn "leave emergency perl save\n"; 3853 info "emergency_perl_save: leave\n";
2896} 3854}
2897 3855
2898sub post_cleanup { 3856sub post_cleanup {
2899 my ($make_core) = @_; 3857 my ($make_core) = @_;
2900 3858
3859 IO::AIO::flush;
3860
2901 warn Carp::longmess "post_cleanup backtrace" 3861 error Carp::longmess "post_cleanup backtrace"
2902 if $make_core; 3862 if $make_core;
3863
3864 my $fh = pidfile;
3865 unlink $PIDFILE if <$fh> == $$;
3866}
3867
3868# a safer delete_package, copied from Symbol
3869sub clear_package($) {
3870 my $pkg = shift;
3871
3872 # expand to full symbol table name if needed
3873 unless ($pkg =~ /^main::.*::$/) {
3874 $pkg = "main$pkg" if $pkg =~ /^::/;
3875 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3876 $pkg .= '::' unless $pkg =~ /::$/;
3877 }
3878
3879 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3880 my $stem_symtab = *{$stem}{HASH};
3881
3882 defined $stem_symtab and exists $stem_symtab->{$leaf}
3883 or return;
3884
3885 # clear all symbols
3886 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3887 for my $name (keys %$leaf_symtab) {
3888 _gv_clear *{"$pkg$name"};
3889# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3890 }
2903} 3891}
2904 3892
2905sub do_reload_perl() { 3893sub do_reload_perl() {
2906 # can/must only be called in main 3894 # can/must only be called in main
2907 if ($Coro::current != $Coro::main) { 3895 unless (in_main) {
2908 warn "can only reload from main coroutine"; 3896 error "can only reload from main coroutine";
2909 return; 3897 return;
2910 } 3898 }
2911 3899
2912 warn "reloading..."; 3900 return if $RELOAD++;
2913 3901
2914 warn "entering sync_job"; 3902 my $t1 = AE::time;
2915 3903
3904 while ($RELOAD) {
3905 cf::get_slot 0.1, -1, "reload_perl";
3906 info "perl_reload: reloading...";
3907
3908 trace "perl_reload: entering sync_job";
3909
2916 cf::sync_job { 3910 cf::sync_job {
2917 cf::write_runtime; # external watchdog should not bark
2918 cf::emergency_save; 3911 #cf::emergency_save;
2919 cf::write_runtime; # external watchdog should not bark
2920 3912
2921 warn "syncing database to disk";
2922 BDB::db_env_txn_checkpoint $DB_ENV;
2923
2924 # if anything goes wrong in here, we should simply crash as we already saved
2925
2926 warn "cancelling all WF_AUTOCANCEL watchers";
2927 for (Event::all_watchers) {
2928 $_->cancel if $_->data & WF_AUTOCANCEL;
2929 }
2930
2931 warn "flushing outstanding aio requests";
2932 for (;;) {
2933 BDB::flush;
2934 IO::AIO::flush;
2935 Coro::cede;
2936 last unless IO::AIO::nreqs || BDB::nreqs;
2937 warn "iterate...";
2938 }
2939
2940 ++$RELOAD;
2941
2942 warn "cancelling all extension coros"; 3913 trace "perl_reload: cancelling all extension coros";
2943 $_->cancel for values %EXT_CORO; 3914 $_->cancel for values %EXT_CORO;
2944 %EXT_CORO = (); 3915 %EXT_CORO = ();
2945 3916
2946 warn "removing commands"; 3917 trace "perl_reload: removing commands";
2947 %COMMAND = (); 3918 %COMMAND = ();
2948 3919
2949 warn "removing ext/exti commands"; 3920 trace "perl_reload: removing ext/exti commands";
2950 %EXTCMD = (); 3921 %EXTCMD = ();
2951 %EXTICMD = (); 3922 %EXTICMD = ();
2952 3923
2953 warn "unloading/nuking all extensions"; 3924 trace "perl_reload: unloading/nuking all extensions";
2954 for my $pkg (@EXTS) { 3925 for my $pkg (@EXTS) {
2955 warn "... unloading $pkg"; 3926 trace "... unloading $pkg";
2956 3927
2957 if (my $cb = $pkg->can ("unload")) { 3928 if (my $cb = $pkg->can ("unload")) {
2958 eval { 3929 eval {
2959 $cb->($pkg); 3930 $cb->($pkg);
2960 1 3931 1
2961 } or warn "$pkg unloaded, but with errors: $@"; 3932 } or error "$pkg unloaded, but with errors: $@";
3933 }
3934
3935 trace "... clearing $pkg";
3936 clear_package $pkg;
2962 } 3937 }
2963 3938
2964 warn "... nuking $pkg";
2965 Symbol::delete_package $pkg;
2966 }
2967
2968 warn "unloading all perl modules loaded from $LIBDIR"; 3939 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2969 while (my ($k, $v) = each %INC) { 3940 while (my ($k, $v) = each %INC) {
2970 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3941 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2971 3942
2972 warn "... unloading $k"; 3943 trace "... unloading $k";
2973 delete $INC{$k}; 3944 delete $INC{$k};
2974 3945
2975 $k =~ s/\.pm$//; 3946 $k =~ s/\.pm$//;
2976 $k =~ s/\//::/g; 3947 $k =~ s/\//::/g;
2977 3948
2978 if (my $cb = $k->can ("unload_module")) { 3949 if (my $cb = $k->can ("unload_module")) {
2979 $cb->(); 3950 $cb->();
3951 }
3952
3953 clear_package $k;
2980 } 3954 }
2981 3955
2982 Symbol::delete_package $k;
2983 }
2984
2985 warn "getting rid of safe::, as good as possible"; 3956 trace "perl_reload: getting rid of safe::, as good as possible";
2986 Symbol::delete_package "safe::$_" 3957 clear_package "safe::$_"
2987 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3958 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2988 3959
2989 warn "unloading cf.pm \"a bit\""; 3960 trace "perl_reload: unloading cf.pm \"a bit\"";
2990 delete $INC{"cf.pm"}; 3961 delete $INC{"cf.pm"};
2991 delete $INC{"cf/pod.pm"}; 3962 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2992 3963
2993 # don't, removes xs symbols, too, 3964 # don't, removes xs symbols, too,
2994 # and global variables created in xs 3965 # and global variables created in xs
2995 #Symbol::delete_package __PACKAGE__; 3966 #clear_package __PACKAGE__;
2996 3967
2997 warn "unload completed, starting to reload now"; 3968 info "perl_reload: unload completed, starting to reload now";
2998 3969
2999 warn "reloading cf.pm"; 3970 trace "perl_reload: reloading cf.pm";
3000 require cf; 3971 require cf;
3001 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3972 cf::_connect_to_perl_1;
3002 3973
3003 warn "loading config and database again"; 3974 trace "perl_reload: loading config and database again";
3004 cf::cfg_load; 3975 cf::reload_config;
3005 3976
3006 warn "loading extensions"; 3977 trace "perl_reload: loading extensions";
3007 cf::load_extensions; 3978 cf::load_extensions;
3008 3979
3980 if ($REATTACH_ON_RELOAD) {
3009 warn "reattaching attachments to objects/players"; 3981 trace "perl_reload: reattaching attachments to objects/players";
3010 _global_reattach; # objects, sockets 3982 _global_reattach; # objects, sockets
3011 warn "reattaching attachments to maps"; 3983 trace "perl_reload: reattaching attachments to maps";
3012 reattach $_ for values %MAP; 3984 reattach $_ for values %MAP;
3013 warn "reattaching attachments to players"; 3985 trace "perl_reload: reattaching attachments to players";
3014 reattach $_ for values %PLAYER; 3986 reattach $_ for values %PLAYER;
3987 }
3015 3988
3016 warn "leaving sync_job"; 3989 cf::_post_init 1;
3017 3990
3991 trace "perl_reload: leaving sync_job";
3992
3018 1 3993 1
3019 } or do { 3994 } or do {
3020 warn $@; 3995 error $@;
3021 warn "error while reloading, exiting."; 3996 cf::cleanup "perl_reload: error, exiting.";
3022 exit 1; 3997 };
3998
3999 --$RELOAD;
3023 }; 4000 }
3024 4001
3025 warn "reloaded"; 4002 $t1 = AE::time - $t1;
4003 info "perl_reload: completed in ${t1}s\n";
3026}; 4004};
3027 4005
3028our $RELOAD_WATCHER; # used only during reload 4006our $RELOAD_WATCHER; # used only during reload
3029 4007
3030sub reload_perl() { 4008sub reload_perl() {
3031 # doing reload synchronously and two reloads happen back-to-back, 4009 # doing reload synchronously and two reloads happen back-to-back,
3032 # coro crashes during coro_state_free->destroy here. 4010 # coro crashes during coro_state_free->destroy here.
3033 4011
3034 $RELOAD_WATCHER ||= Event->timer ( 4012 $RELOAD_WATCHER ||= cf::async {
3035 reentrant => 0, 4013 Coro::AIO::aio_wait cache_extensions;
3036 after => 0, 4014
3037 data => WF_AUTOCANCEL, 4015 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3038 cb => sub {
3039 do_reload_perl; 4016 do_reload_perl;
3040 undef $RELOAD_WATCHER; 4017 undef $RELOAD_WATCHER;
3041 }, 4018 };
3042 ); 4019 };
3043} 4020}
3044 4021
3045register_command "reload" => sub { 4022register_command "reload" => sub {
3046 my ($who, $arg) = @_; 4023 my ($who, $arg) = @_;
3047 4024
3048 if ($who->flag (FLAG_WIZ)) { 4025 if ($who->flag (FLAG_WIZ)) {
3049 $who->message ("reloading server."); 4026 $who->message ("reloading server.");
4027 async {
4028 $Coro::current->{desc} = "perl_reload";
3050 async { reload_perl }; 4029 reload_perl;
4030 };
3051 } 4031 }
3052}; 4032};
3053 4033
3054unshift @INC, $LIBDIR; 4034#############################################################################
3055 4035
3056my $bug_warning = 0; 4036my $bug_warning = 0;
3057 4037
3058our @WAIT_FOR_TICK; 4038our @WAIT_FOR_TICK;
3059our @WAIT_FOR_TICK_BEGIN; 4039our @WAIT_FOR_TICK_BEGIN;
3060 4040
3061sub wait_for_tick { 4041sub wait_for_tick() {
3062 return unless $TICK_WATCHER->is_active;
3063 return if $Coro::current == $Coro::main; 4042 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3064 4043
3065 my $signal = new Coro::Signal; 4044 my $signal = new Coro::Signal;
3066 push @WAIT_FOR_TICK, $signal; 4045 push @WAIT_FOR_TICK, $signal;
3067 $signal->wait; 4046 $signal->wait;
3068} 4047}
3069 4048
3070sub wait_for_tick_begin { 4049sub wait_for_tick_begin() {
3071 return unless $TICK_WATCHER->is_active;
3072 return if $Coro::current == $Coro::main; 4050 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3073 4051
3074 my $signal = new Coro::Signal; 4052 my $signal = new Coro::Signal;
3075 push @WAIT_FOR_TICK_BEGIN, $signal; 4053 push @WAIT_FOR_TICK_BEGIN, $signal;
3076 $signal->wait; 4054 $signal->wait;
3077} 4055}
3078 4056
3079 my $min = 1e6;#d# 4057sub tick {
3080 my $avg = 10;
3081$TICK_WATCHER = Event->timer (
3082 reentrant => 0,
3083 parked => 1,
3084 prio => 0,
3085 at => $NEXT_TICK || $TICK,
3086 data => WF_AUTOCANCEL,
3087 cb => sub {
3088 if ($Coro::current != $Coro::main) { 4058 if ($Coro::current != $Coro::main) {
3089 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4059 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3090 unless ++$bug_warning > 10; 4060 unless ++$bug_warning > 10;
3091 return; 4061 return;
3092 } 4062 }
3093 4063
3094 $NOW = $tick_start = Event::time;
3095
3096 cf::server_tick; # one server iteration 4064 cf::server_tick; # one server iteration
3097 4065
3098 0 && sync_job {#d# 4066 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3099 for(1..10) {
3100 my $t = Event::time;
3101 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3102 or die;
3103 4067
3104 $map->width (50); 4068 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3105 $map->height (50); 4069 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3106 $map->alloc; 4070 Coro::async_pool {
3107 $map->_load_objects ("/tmp/x.map", 1); 4071 $Coro::current->{desc} = "runtime saver";
3108 my $t = Event::time - $t; 4072 write_runtime_sync
3109 4073 or error "ERROR: unable to write runtime file: $!";
3110 #next unless $t < 0.0013;#d#
3111 if ($t < $min) {
3112 $min = $t;
3113 }
3114 $avg = $avg * 0.99 + $t * 0.01;
3115 }
3116 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3117 exit 0;
3118 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3119 }; 4074 };
4075 }
3120 4076
3121 $RUNTIME += $TICK;
3122 $NEXT_TICK += $TICK;
3123
3124 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3125 $NEXT_RUNTIME_WRITE = $NOW + 10;
3126 Coro::async_pool {
3127 write_runtime
3128 or warn "ERROR: unable to write runtime file: $!";
3129 };
3130 }
3131
3132# my $AFTER = Event::time;
3133# warn $AFTER - $NOW;#d#
3134
3135 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4077 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3136 $sig->send; 4078 $sig->send;
3137 } 4079 }
3138 while (my $sig = shift @WAIT_FOR_TICK) { 4080 while (my $sig = shift @WAIT_FOR_TICK) {
3139 $sig->send; 4081 $sig->send;
3140 } 4082 }
3141 4083
3142 $NOW = Event::time; 4084 $LOAD = ($NOW - $TICK_START) / $TICK;
3143
3144 # if we are delayed by four ticks or more, skip them all
3145 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3146
3147 $TICK_WATCHER->at ($NEXT_TICK);
3148 $TICK_WATCHER->start;
3149
3150 $LOAD = ($NOW - $tick_start) / $TICK;
3151 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4085 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3152 4086
3153 _post_tick; 4087 if (0) {
3154 4088 if ($NEXT_TICK) {
3155 4089 my $jitter = $TICK_START - $NEXT_TICK;
4090 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4091 debug "jitter $JITTER\n";#d#
4092 }
3156 }, 4093 }
3157); 4094}
3158 4095
3159{ 4096{
3160 BDB::max_poll_time $TICK * 0.1; 4097 # configure BDB
3161 $BDB_POLL_WATCHER = Event->io ( 4098
3162 reentrant => 0,
3163 fd => BDB::poll_fileno,
3164 poll => 'r',
3165 prio => 0,
3166 data => WF_AUTOCANCEL,
3167 cb => \&BDB::poll_cb,
3168 );
3169 BDB::min_parallel 8; 4099 BDB::min_parallel 16;
3170 4100 BDB::max_poll_reqs $TICK * 0.1;
3171 BDB::set_sync_prepare { 4101 $AnyEvent::BDB::WATCHER->priority (1);
3172 my $status;
3173 my $current = $Coro::current;
3174 (
3175 sub {
3176 $status = $!;
3177 $current->ready; undef $current;
3178 },
3179 sub {
3180 Coro::schedule while defined $current;
3181 $! = $status;
3182 },
3183 )
3184 };
3185 4102
3186 unless ($DB_ENV) { 4103 unless ($DB_ENV) {
3187 $DB_ENV = BDB::db_env_create; 4104 $DB_ENV = BDB::db_env_create;
4105 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4106 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4107 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4108 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4109 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3188 4110
3189 cf::sync_job { 4111 cf::sync_job {
3190 eval { 4112 eval {
3191 BDB::db_env_open 4113 BDB::db_env_open
3192 $DB_ENV, 4114 $DB_ENV,
3194 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4116 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3195 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4117 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3196 0666; 4118 0666;
3197 4119
3198 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4120 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3199
3200 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3201 $DB_ENV->set_lk_detect;
3202 }; 4121 };
3203 4122
3204 cf::cleanup "db_env_open(db): $@" if $@; 4123 cf::cleanup "db_env_open(db): $@" if $@;
3205 }; 4124 };
3206 } 4125 }
4126
4127 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4128 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4129 };
4130 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4131 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4132 };
4133 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4134 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4135 };
3207} 4136}
3208 4137
3209{ 4138{
4139 # configure IO::AIO
4140
3210 IO::AIO::min_parallel 8; 4141 IO::AIO::min_parallel 8;
3211
3212 undef $Coro::AIO::WATCHER;
3213 IO::AIO::max_poll_time $TICK * 0.1; 4142 IO::AIO::max_poll_time $TICK * 0.1;
3214 $AIO_POLL_WATCHER = Event->io ( 4143 undef $AnyEvent::AIO::WATCHER;
3215 reentrant => 0,
3216 data => WF_AUTOCANCEL,
3217 fd => IO::AIO::poll_fileno,
3218 poll => 'r',
3219 prio => 6,
3220 cb => \&IO::AIO::poll_cb,
3221 );
3222} 4144}
3223 4145
3224my $_log_backtrace; 4146our $_log_backtrace;
4147our $_log_backtrace_last;
3225 4148
3226sub _log_backtrace { 4149sub _log_backtrace {
3227 my ($msg, @addr) = @_; 4150 my ($msg, @addr) = @_;
3228 4151
3229 $msg =~ s/\n//; 4152 $msg =~ s/\n$//;
3230 4153
4154 if ($_log_backtrace_last eq $msg) {
4155 LOG llevInfo, "[ABT] $msg\n";
4156 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3231 # limit the # of concurrent backtraces 4157 # limit the # of concurrent backtraces
3232 if ($_log_backtrace < 2) { 4158 } elsif ($_log_backtrace < 2) {
4159 $_log_backtrace_last = $msg;
3233 ++$_log_backtrace; 4160 ++$_log_backtrace;
4161 my $perl_bt = Carp::longmess $msg;
3234 async { 4162 async {
4163 $Coro::current->{desc} = "abt $msg";
4164
3235 my @bt = fork_call { 4165 my @bt = fork_call {
3236 @addr = map { sprintf "%x", $_ } @addr; 4166 @addr = map { sprintf "%x", $_ } @addr;
3237 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4167 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3238 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4168 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3239 or die "addr2line: $!"; 4169 or die "addr2line: $!";
3247 } 4177 }
3248 4178
3249 @funcs 4179 @funcs
3250 }; 4180 };
3251 4181
3252 LOG llevInfo, "[ABT] $msg\n"; 4182 LOG llevInfo, "[ABT] $perl_bt\n";
4183 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3253 LOG llevInfo, "[ABT] $_\n" for @bt; 4184 LOG llevInfo, "[ABT] $_\n" for @bt;
3254 --$_log_backtrace; 4185 --$_log_backtrace;
3255 }; 4186 };
3256 } else { 4187 } else {
3257 LOG llevInfo, "[ABT] $msg\n"; 4188 LOG llevInfo, "[ABT] $msg\n";
3258 LOG llevInfo, "[ABT] [suppressed]\n"; 4189 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3259 } 4190 }
3260} 4191}
3261 4192
3262# load additional modules 4193# load additional modules
3263use cf::pod; 4194require "cf/$_.pm" for @EXTRA_MODULES;
4195cf::_connect_to_perl_2;
3264 4196
3265END { cf::emergency_save } 4197END { cf::emergency_save }
3266 4198
32671 41991
3268 4200

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