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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.269 by root, Tue May 22 21:35:26 2007 UTC vs.
Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your 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 GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use 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 ();
14 35
15use Coro 3.61 (); 36use Coro ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
22use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 119
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 123our $TICK_START; # for load detecting purposes
98 124
99binmode STDOUT; 125binmode STDOUT;
100binmode STDERR; 126binmode STDERR;
101 127
102# read virtual server time, if available 128# read virtual server time, if available
155 181
156The raw value load value from the last tick. 182The raw value load value from the last tick.
157 183
158=item %cf::CFG 184=item %cf::CFG
159 185
160Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 187from wherever your confdir points to.
162 188
163=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
164 190
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
169=back 201=back
170 202
171=cut 203=cut
172 204
173BEGIN { 205BEGIN {
177 $msg .= "\n" 209 $msg .= "\n"
178 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
179 211
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 213
182 utf8::encode $msg;
183 LOG llevError, $msg; 214 LOG llevError, $msg;
184 }; 215 };
185} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
186 232
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 240
194# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 242# within the Safe compartment.
196for my $pkg (qw( 243for my $pkg (qw(
197 cf::global cf::attachable 244 cf::global cf::attachable
202)) { 249)) {
203 no strict 'refs'; 250 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 252}
206 253
207$Event::DIED = sub { 254$EV::DIED = sub {
208 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
209}; 256};
257
258#############################################################################
210 259
211=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
212 261
213=over 4 262=over 4
214 263
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 283 $d
235 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
236} 285}
237 286
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
241 288
242Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
243 290
244=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
245 292
246Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
294
295=cut
296
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298
299sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) }
247 301
248=item cf::lock_wait $string 302=item cf::lock_wait $string
249 303
250Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
251 305
254Wait until the given lock is available and then acquires it and returns 308Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
257returned. 311returned.
258 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
259Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
261 318
262=item $locked = cf::lock_active $string 319=item $locked = cf::lock_active $string
263 320
264Return true if the lock is currently active, i.e. somebody has locked it. 321Return true if the lock is currently active, i.e. somebody has locked it.
265 322
266=cut 323=cut
267 324
268our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
269 327
270sub lock_wait($) { 328sub lock_wait($) {
271 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
272 335
273 # wait for lock, if any 336 # wait for lock, if any
274 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 339 Coro::schedule;
282 345
283 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
284 lock_wait $key; 347 lock_wait $key;
285 348
286 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
287 351
288 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
291 } 356 }
292} 357}
293 358
296 361
297 ! ! $LOCK{$key} 362 ! ! $LOCK{$key}
298} 363}
299 364
300sub freeze_mainloop { 365sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
302 367
303 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
304 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
305 }; 429 }
306 $TICK_WATCHER->stop; 430};
307 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
308} 444}
309 445
310=item cf::async { BLOCK } 446=item cf::async { BLOCK }
311 447
312Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
317 453
318BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
319 455
320=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
321 457
322The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
325 462
326If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
329fast or be very important. 466fast or be very important.
332 469
333sub sync_job(&) { 470sub sync_job(&) {
334 my ($job) = @_; 471 my ($job) = @_;
335 472
336 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 474 my $time = EV::time;
338 475
339 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
341 478
342 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 480
344 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
345 482
346 my $busy = 1; 483 my $busy = 1;
347 my @res; 484 my @res;
348 485
349 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 488 @res = eval { $job->() };
351 warn $@ if $@; 489 warn $@ if $@;
352 undef $busy; 490 undef $busy;
353 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
354 492
355 while ($busy) { 493 while ($busy) {
356 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
357 } 498 }
499 }
358 500
359 $time = Event::time - $time; 501 my $time = EV::time - $time;
360 502
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 503 $TICK_START += $time; # do not account sync jobs to server load
365 504
366 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
367 } else { 506 } else {
368 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
369 508
389 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
390 529
391 $coro 530 $coro
392} 531}
393 532
394sub write_runtime { 533=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 534
397 # first touch the runtime file to show we are still running: 535Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
399 539
400 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 540=cut
401 utime undef, undef, $fh; 541
542sub fork_call(&@) {
543 my ($cb, @args) = @_;
544
545 # we seemingly have to make a local copy of the whole thing,
546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
548
549 my @res = Coro::Util::fork_eval {
550 reset_signals;
551 &$cb
552 }, @args;
553
554 wantarray ? @res : $res[-1]
555}
556
557=item $coin = coin_from_name $name
558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
402 } 611 };
612 cf::cleanup "db_open(db): $@" if $@;
403 613
404 my $guard = cf::lock_acquire "write_runtime"; 614 $db
615}
405 616
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 617our $DB;
407 or return;
408 618
409 my $value = $cf::RUNTIME + 90 + 10; 619sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 620 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 621 $DB ||= db_table "db";
622 };
623}
412 624
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 625sub db_get($$) {
414 and return; 626 my $key = "$_[0]/$_[1]";
415 627
416 # always fsync - this file is important 628 cf::sync_job {
417 aio_fsync $fh 629 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 630
420 # touch it again to show we are up-to-date 631 $! ? ()
421 utime undef, undef, $fh; 632 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 633 }
634}
635
636sub db_put($$$) {
637 BDB::dbreq_pri 4;
638 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
639}
640
641=item cf::cache $id => [$paths...], $processversion => $process
642
643Generic caching function that returns the value of the resource $id,
644caching and regenerating as required.
645
646This function can block.
647
648=cut
649
650sub cache {
651 my ($id, $src, $processversion, $process) = @_;
652
653 my $meta =
654 join "\x00",
655 $processversion,
656 map {
657 aio_stat $_
658 and Carp::croak "$_: $!";
659
660 ($_, (stat _)[7,9])
661 } @$src;
662
663 my $dbmeta = db_get cache => "$id/meta";
664 if ($dbmeta ne $meta) {
665 # changed, we may need to process
666
667 my @data;
668 my $md5;
669
670 for (0 .. $#$src) {
671 0 <= aio_load $src->[$_], $data[$_]
672 or Carp::croak "$src->[$_]: $!";
673 }
674
675 # if processing is expensive, check
676 # checksum first
677 if (1) {
678 $md5 =
679 join "\x00",
680 $processversion,
681 map {
682 cf::cede_to_tick;
683 ($src->[$_], Digest::MD5::md5_hex $data[$_])
684 } 0.. $#$src;
685
686
687 my $dbmd5 = db_get cache => "$id/md5";
688 if ($dbmd5 eq $md5) {
689 db_put cache => "$id/meta", $meta;
690
691 return db_get cache => "$id/data";
692 }
693 }
694
695 my $t1 = Time::HiRes::time;
696 my $data = $process->(\@data);
697 my $t2 = Time::HiRes::time;
698
699 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
700
701 db_put cache => "$id/data", $data;
702 db_put cache => "$id/md5" , $md5;
703 db_put cache => "$id/meta", $meta;
704
705 return $data;
706 }
707
708 db_get cache => "$id/data"
432} 709}
433 710
434=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
435 712
436Log a datalog packet of the given type with the given key-value pairs. 713Log a datalog packet of the given type with the given key-value pairs.
454attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
456 733
457In the following description, CLASS can be any of C<global>, C<object> 734In the following description, CLASS can be any of C<global>, C<object>
458C<player>, C<client> or C<map> (i.e. the attachable objects in 735C<player>, C<client> or C<map> (i.e. the attachable objects in
459crossfire+). 736Deliantra).
460 737
461=over 4 738=over 4
462 739
463=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
464 741
666 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
667 } 944 }
668 945
669 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
670 } else { 947 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 949 }
673 950
674 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
675} 952}
676 953
716 "; 993 ";
717 die if $@; 994 die if $@;
718} 995}
719 996
720our $override; 997our $override;
721our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 998our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722 999
723sub override { 1000sub override {
724 $override = 1; 1001 $override = 1;
725 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
726} 1003}
727 1004
728sub do_invoke { 1005sub do_invoke {
729 my $event = shift; 1006 my $event = shift;
730 my $callbacks = shift; 1007 my $callbacks = shift;
731 1008
732 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
733 1010
734 local $override; 1011 local $override;
735 1012
736 for (@$callbacks) { 1013 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
746 } 1023 }
747 1024
748 0 1025 0
749} 1026}
750 1027
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1029
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1031
755Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
756 1033
757This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1034This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758removed in future versions), and there is no public API to access override 1035removed in future versions), and there is no public API to access override
759results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1037
761=back 1038=back
762 1039
763=cut 1040=cut
764 1041
765############################################################################# 1042#############################################################################
766# object support 1043# object support
1044
1045sub _object_equal($$);
1046sub _object_equal($$) {
1047 my ($a, $b) = @_;
1048
1049 return 0 unless (ref $a) eq (ref $b);
1050
1051 if ("HASH" eq ref $a) {
1052 my @ka = keys %$a;
1053 my @kb = keys %$b;
1054
1055 return 0 if @ka != @kb;
1056
1057 for (0 .. $#ka) {
1058 return 0 unless $ka[$_] eq $kb[$_];
1059 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1060 }
1061
1062 } elsif ("ARRAY" eq ref $a) {
1063
1064 return 0 if @$a != @$b;
1065
1066 for (0 .. $#$a) {
1067 return 0 unless _object_equal $a->[$_], $b->[$_];
1068 }
1069
1070 } elsif ($a ne $b) {
1071 return 0;
1072 }
1073
1074 1
1075}
1076
1077our $SLOW_MERGES;#d#
1078sub _can_merge {
1079 my ($ob1, $ob2) = @_;
1080
1081 ++$SLOW_MERGES;#d#
1082
1083 # we do the slow way here
1084 return _object_equal $ob1, $ob2
1085}
767 1086
768sub reattach { 1087sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1089 my ($obj) = @_;
771 1090
792cf::attachable->attach ( 1111cf::attachable->attach (
793 prio => -1000000, 1112 prio => -1000000,
794 on_instantiate => sub { 1113 on_instantiate => sub {
795 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
796 1115
797 $data = from_json $data; 1116 $data = decode_json $data;
798 1117
799 for (@$data) { 1118 for (@$data) {
800 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
801 1120
802 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
818sub object_freezer_save { 1137sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
820 1139
821 sync_job { 1140 sync_job {
822 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
825 1145
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1150 aio_close $fh;
831 1151
832 if (@$objs) { 1152 if (@$objs) {
833 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1158 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
840 } 1160 }
841 } else { 1161 } else {
842 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
843 } 1163 }
848 } 1168 }
849 } else { 1169 } else {
850 aio_unlink $filename; 1170 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
852 } 1172 }
853 } 1173 };
854} 1174}
855 1175
856sub object_freezer_as_string { 1176sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
858 1178
870 or return; 1190 or return;
871 1191
872 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
874 or return; 1194 or return;
1195
875 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
876 } 1198 }
877 1199
1200 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
880 return ($data, $av); 1204 ($data, $av)
881} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
882 1212
883############################################################################# 1213#############################################################################
884# command handling &c 1214# command handling &c
885 1215
886=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1230}
901 1231
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1233
904Register a callbackf ro execution when the client sends an extcmd packet. 1234Register a callback for execution when the client sends an (synchronous)
1235extcmd packet. Ext commands will be processed in the order they are
1236received by the server, like other user commands. The first argument is
1237the logged-in player. Ext commands can only be processed after a player
1238has logged in successfully.
905 1239
906If the callback returns something, it is sent back as if reply was being 1240If the callback returns something, it is sent back as if reply was being
907called. 1241called.
908 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
909=cut 1254=cut
910 1255
911sub register_extcmd { 1256sub register_extcmd {
912 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
913 1258
914 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
915} 1266}
916 1267
917cf::player->attach ( 1268cf::player->attach (
918 on_command => sub { 1269 on_command => sub {
919 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
928 cf::override; 1279 cf::override;
929 }, 1280 },
930 on_extcmd => sub { 1281 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
932 1283
933 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1285
935 if (ref $msg) { 1286 if (ref $msg) {
1287 my ($type, $reply, @payload) =
1288 "ARRAY" eq ref $msg
1289 ? @$msg
1290 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291
1292 my @reply;
1293
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
941 } else { 1301 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1303 }
944 1304
945 cf::override; 1305 cf::override;
946 }, 1306 },
947); 1307);
948 1308
949sub load_extension {
950 my ($path) = @_;
951
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
953 my $base = $1;
954 my $pkg = $1;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 }
977 die $@;
978 }
979
980 push @EXTS, $pkg;
981}
982
983sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
984 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1314 next unless -r $path;
986 eval { 1315
987 load_extension $ext; 1316 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1317 my $base = $1;
1318 my $pkg = $1;
1319 $pkg =~ s/[^[:word:]]/_/g;
1320 $pkg = "ext::$pkg";
1321
1322 open my $fh, "<:utf8", $path
1323 or die "$path: $!";
1324
1325 my $source = do { local $/; <$fh> };
1326
1327 my %ext = (
1328 path => $path,
1329 base => $base,
1330 pkg => $pkg,
1331 );
1332
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335
1336 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n"
1339 . $source
1340 . "\n};\n1";
1341
1342 $todo{$base} = \%ext;
1343 }
1344
1345 my %done;
1346 while (%todo) {
1347 my $progress;
1348
1349 while (my ($k, $v) = each %todo) {
1350 for (split /,\s*/, $v->{meta}{depends}) {
1351 goto skip
1352 unless exists $done{$_};
1353 }
1354
1355 warn "... loading '$k' into '$v->{pkg}'\n";
1356
1357 unless (eval $v->{source}) {
1358 my $msg = $@ ? "$v->{path}: $@\n"
1359 : "$v->{base}: extension inactive.\n";
1360
1361 if (exists $v->{meta}{mandatory}) {
1362 warn $msg;
1363 cf::cleanup "mandatory extension failed to load, exiting.";
1364 }
1365
1366 warn $msg;
1367 }
1368
1369 $done{$k} = delete $todo{$k};
1370 push @EXTS, $v->{pkg};
1371 $progress = 1;
988 1 1372 }
989 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
990 } 1378 };
991} 1379}
992 1380
993############################################################################# 1381#############################################################################
994 1382
1383=back
1384
995=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
996 1386
997Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
998 1388
999=cut 1389=cut
1003use Coro::AIO; 1393use Coro::AIO;
1004 1394
1005=head3 cf::player 1395=head3 cf::player
1006 1396
1007=over 4 1397=over 4
1398
1399=item cf::player::num_playing
1400
1401Returns the official number of playing players, as per the Crossfire metaserver rules.
1402
1403=cut
1404
1405sub num_playing {
1406 scalar grep
1407 $_->ob->map
1408 && !$_->hidden
1409 && !$_->ob->flag (cf::FLAG_WIZ),
1410 cf::player::list
1411}
1008 1412
1009=item cf::player::find $login 1413=item cf::player::find $login
1010 1414
1011Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
1012 1416
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1456
1053 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1054 or return; 1458 or return;
1459
1460 my $pl = cf::player::load_pl $f
1461 or return;
1462
1463 local $cf::PLAYER_LOADING{$login} = $pl;
1464 $f->resolve_delayed_derefs;
1055 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1056 } 1466 }
1057 } 1467 }
1058} 1468}
1059 1469
1068 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1069 1479
1070 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1072 1482
1483 cf::get_slot 0.01;
1484
1073 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1074 Coro::cede; 1486 cf::cede_to_tick;
1075} 1487}
1076 1488
1077sub new($) { 1489sub new($) {
1078 my ($login) = @_; 1490 my ($login) = @_;
1079 1491
1085 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1086 1498
1087 $self 1499 $self
1088} 1500}
1089 1501
1502=item $player->send_msg ($channel, $msg, $color, [extra...])
1503
1504=cut
1505
1506sub send_msg {
1507 my $ns = shift->ns
1508 or return;
1509 $ns->send_msg (@_);
1510}
1511
1090=item $pl->quit_character 1512=item $pl->quit_character
1091 1513
1092Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1094 1516
1102 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1103 $pl->password ("*"); # this should lock out the player until we nuked the dir 1525 $pl->password ("*"); # this should lock out the player until we nuked the dir
1104 1526
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1109 1533
1110 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 or return []; 1571 or return [];
1148 1572
1149 my @logins; 1573 my @logins;
1150 1574
1151 for my $login (@$dirs) { 1575 for my $login (@$dirs) {
1576 my $path = path $login;
1577
1578 # a .pst is a dead give-away for a valid player
1579 # if no pst file found, open and chekc for blocked users
1580 if (aio_stat "$path.pst") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1155 1585
1156 utf8::decode $login; 1586 utf8::decode $login;
1157 push @logins, $login; 1587 push @logins, $login;
1158 } 1588 }
1159 1589
1186 } 1616 }
1187 1617
1188 \@paths 1618 \@paths
1189} 1619}
1190 1620
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1622
1623Expand crossfire pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713
1191=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1192 1715
1193Sends an ext reply to the player. 1716Sends an ext reply to the player.
1194 1717
1195=cut 1718=cut
1196 1719
1197sub ext_reply($$%) { 1720sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1199 1722
1200 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1724}
1204 1725
1205=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1206 1727
1207Sends an ext event to the client. 1728Sends an ext event to the client.
1208 1729
1209=cut 1730=cut
1210 1731
1211sub ext_event($$%) { 1732sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1213 1734
1214 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1215} 1736}
1216 1737
1217=head3 cf::region 1738=head3 cf::region
1218 1739
1219=over 4 1740=over 4
1222 1743
1223package cf::region; 1744package cf::region;
1224 1745
1225=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1226 1747
1227Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1228 1749
1229=cut 1750=cut
1230 1751
1231sub find_by_path($) { 1752sub find_by_path($) {
1232 my ($path) = @_; 1753 my ($path) = @_;
1233 1754
1234 my ($match, $specificity); 1755 my ($match, $specificity);
1235 1756
1236 for my $region (list) { 1757 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1240 } 1761 }
1241 } 1762 }
1242 1763
1263our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1265 1786
1266sub generate_random_map { 1787sub generate_random_map {
1267 my ($self, $rmp) = @_; 1788 my ($self, $rmp) = @_;
1789
1790 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791
1268 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1793 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1306 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1307 1831
1308 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1309 local $self->{path}; 1833 local $self->{path};
1310 local $self->{load_path}; 1834 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1835
1314 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1315} 1837}
1316 1838
1317sub normalise { 1839sub normalise {
1364 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1365 return $self; 1887 return $self;
1366 } 1888 }
1367 } 1889 }
1368 1890
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1892 ()
1371} 1893}
1372 1894
1373sub init { 1895sub init {
1374 my ($self) = @_; 1896 my ($self) = @_;
1396 1918
1397# the temporary/swap location 1919# the temporary/swap location
1398sub save_path { 1920sub save_path {
1399 my ($self) = @_; 1921 my ($self) = @_;
1400 1922
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1924 "$TMPDIR/$path.map"
1403} 1925}
1404 1926
1405# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1406sub uniq_path { 1928sub uniq_path {
1407 my ($self) = @_; 1929 my ($self) = @_;
1408 1930
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1411} 1933}
1412 1934
1413# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1414# all maps in C++... 1936# all maps in C++...
1417 1939
1418 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1420} 1942}
1421 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1422sub unlink_save { 1952sub unlink_save {
1423 my ($self) = @_; 1953 my ($self) = @_;
1424 1954
1425 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1429 1959
1430sub load_header_from($) { 1960sub load_header_from($) {
1431 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1432 1962
1433 utf8::encode $path; 1963 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1439 1972
1440 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1441 1974
1442 1 1975 1
1443} 1976}
1482 $self->load_header_orig 2015 $self->load_header_orig
1483 or return; 2016 or return;
1484 $self->prepare_orig; 2017 $self->prepare_orig;
1485 } 2018 }
1486 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1487 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 2024 unless $self->default_region;
1489 2025
1490 1 2026 1
1491} 2027}
1494sub find { 2030sub find {
1495 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1496 2032
1497 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1498 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1500 2037
1501 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1503 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1504 or return; 2043 or return;
1505 2044
1506 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1507 2046
1508 $map->load_header 2047 $map->load_header
1509 or return; 2048 or return;
1510 2049
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1514 $map->reset; 2055 $map->reset;
1515 undef $guard;
1516 return find $path; 2056 return find $path;
1517 } 2057 }
1518 2058
1519 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1520 } 2060 }
1529 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1530 2070
1531 my $path = $self->{path}; 2071 my $path = $self->{path};
1532 2072
1533 { 2073 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1535 2075
2076 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 2078
1538 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1539 2080
1540 $self->alloc; 2081 $self->alloc;
1541 2082
1542 $self->pre_load; 2083 $self->pre_load;
1543 Coro::cede; 2084 cf::cede_to_tick;
1544 2085
2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2088 $self->_load_objects ($f)
1546 or return; 2089 or return;
1547 2090
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1549 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1550 2093
1551 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2095 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2098 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1556 } 2102 }
1557 } 2103 }
1558 2104
1559 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1560 # now do the right thing for maps 2108 # now do the right thing for maps
1561 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2111 unless $self->difficulty;
1564 Coro::cede; 2112 cf::cede_to_tick;
1565 2113
1566 unless ($self->{deny_activate}) { 2114 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2115 $self->decay_objects;
1568 $self->fix_auto_apply; 2116 $self->fix_auto_apply;
1569 $self->update_buttons; 2117 $self->update_buttons;
1570 Coro::cede; 2118 cf::cede_to_tick;
1571 $self->set_darkness_map; 2119 $self->set_darkness_map;
1572 Coro::cede; 2120 cf::cede_to_tick;
1573 $self->activate; 2121 $self->activate;
1574 } 2122 }
1575 2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2127 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2128 }
1578 2129
1579 $self->post_load; 2130 $self->post_load;
1580} 2131}
1581 2132
1583 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1584 2135
1585 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2137 if $self->per_player;
1587 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1588 $self 2142 $self
1589} 2143}
1590 2144
1591# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2146sub load_neighbours {
1593 my ($map) = @_; 2147 my ($map) = @_;
1594 2148
1595 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1596 2150
1597 for (0 .. 3) { 2151 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1599 or next; 2153 or next;
1600 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1601 or next; 2155 or next;
1602 $neigh->load; 2156 $neigh->load;
1603 2157
2158 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2161 }
1607 2162
1608 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1610 or next; 2166 or next;
1611 $neigh->load; 2167 $neigh->load;
1612 } 2168 }
1613} 2169}
1614 2170
1619} 2175}
1620 2176
1621sub do_load_sync { 2177sub do_load_sync {
1622 my ($map) = @_; 2178 my ($map) = @_;
1623 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1624 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1625} 2184}
1626 2185
1627our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1629 2188
1630sub find_async { 2189sub find_async {
1631 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1632 2191
1633 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1634 2193
1635 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2196 }
1638 2197
1639 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1640 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1641 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2205 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2206 $map->load if $v;
2207 }
1646 2208
1647 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1648 } 2210 }
1649 } 2211 }
1650 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1651 }; 2213 };
1652 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1655} 2217}
1656 2218
1657sub save { 2219sub save {
1658 my ($self) = @_; 2220 my ($self) = @_;
1659 2221
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2223
1662 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1663 2225
1664 return unless $self->dirty; 2226 return unless $self->dirty;
1665 2227
1671 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1672 2234
1673 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1674 2236
1675 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1677 }; 2240 };
2241
2242 cf::get_slot 0.02;
1678 2243
1679 if ($uniq) { 2244 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2247 } else {
1688 my ($self) = @_; 2253 my ($self) = @_;
1689 2254
1690 # save first because save cedes 2255 # save first because save cedes
1691 $self->save; 2256 $self->save;
1692 2257
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2259
1695 return if $self->players; 2260 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1698 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2268 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2269}
1702 2270
1703sub reset_at { 2271sub reset_at {
1704 my ($self) = @_; 2272 my ($self) = @_;
1705 2273
1706 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1709 2276
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2279
1723 my ($self) = @_; 2290 my ($self) = @_;
1724 2291
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2293
1727 return if $self->players; 2294 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2295
1730 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1731 2297
1732 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1733 2299
1734 # need to save uniques path 2300 # need to save uniques path
1735 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1739 if $uniq; 2305 if $uniq;
1740 } 2306 }
1741 2307
1742 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1743 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2312 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2313
1748 $self->unlink_save; 2314 $self->unlink_save;
1749 $self->destroy; 2315 $self->destroy;
1750} 2316}
1751 2317
1752my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1753 2319
1754sub nuke { 2320sub nuke {
1755 my ($self) = @_; 2321 my ($self) = @_;
1756 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1757 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1758 2327
1759 $self->unlink_save; 2328 $self->unlink_save;
1760 2329
1761 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2335
1767 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1768 2338
1769 $self->reset; # polite request, might not happen 2339 $self->reset; # polite request, might not happen
2340}
2341
2342=item $maps = cf::map::tmp_maps
2343
2344Returns an arrayref with all map paths of currently instantiated and saved
2345maps. May block.
2346
2347=cut
2348
2349sub tmp_maps() {
2350 [
2351 map {
2352 utf8::decode $_;
2353 /\.map$/
2354 ? normalise $_
2355 : ()
2356 } @{ aio_readdir $TMPDIR or [] }
2357 ]
2358}
2359
2360=item $maps = cf::map::random_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363random maps. May block.
2364
2365=cut
2366
2367sub random_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise "?random/$_"
2373 : ()
2374 } @{ aio_readdir $RANDOMDIR or [] }
2375 ]
1770} 2376}
1771 2377
1772=item cf::map::unique_maps 2378=item cf::map::unique_maps
1773 2379
1774Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2381instantiated unique items. May block.
1776 2382
1777=cut 2383=cut
1778 2384
1779sub unique_maps() { 2385sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2386 [
1781 or return; 2387 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2388 utf8::decode $_;
1787 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2391 ? ()
1790 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2394 ]
1792
1793 \@paths
1794} 2395}
1795
1796package cf;
1797 2396
1798=back 2397=back
1799 2398
1800=head3 cf::object 2399=head3 cf::object
1801 2400
1805 2404
1806=over 4 2405=over 4
1807 2406
1808=item $ob->inv_recursive 2407=item $ob->inv_recursive
1809 2408
1810Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1811 2411
1812=cut 2412=cut
1813 2413
1814sub inv_recursive_; 2414sub inv_recursive_;
1815sub inv_recursive_ { 2415sub inv_recursive_ {
1818 2418
1819sub inv_recursive { 2419sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1821} 2421}
1822 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1823package cf; 2451package cf;
1824 2452
1825=back 2453=back
1826 2454
1827=head3 cf::object::player 2455=head3 cf::object::player
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2462can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2463dialogue with the given NPC character.
1836 2464
1837=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1838 2480
1839# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2482# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1844 2486
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2488
1847 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1849 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1852 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1853} 2514}
1854 2515
1855=item $player_object->may ("access") 2516=item $player_object->may ("access")
1856 2517
1857Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1904 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1905 2566
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2568
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1910 2571
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2573}
1913 2574
1914sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1916 2579
1917 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1918 2581
1919 unless ($map) { 2582 unless ($map) {
1920 # restore original map position 2583 # restore original map position
1934 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1937 2600
1938 $map->load; 2601 $map->load;
1939 $map->load_diag; 2602 $map->load_neighbours;
1940 2603
1941 return unless $self->contr->active; 2604 return unless $self->contr->active;
1942 $self->activate_recursive; 2605 $self->activate_recursive;
1943 2606
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1946} 2609}
1947 2610
1948cf::player->attach (
1949 on_logout => sub {
1950 my ($pl) = @_;
1951
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2612
1982Moves the player to the given map-path and coordinates by first freezing 2613Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2614her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2615that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2616the new (success) or old (failed) map position. In either case, $done will
2617be called at the end of this process.
1986 2618
1987=cut 2619=cut
2620
2621our $GOTOGEN;
1988 2622
1989sub cf::object::player::goto { 2623sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2624 my ($self, $path, $x, $y, $check, $done) = @_;
2625
2626 # do generation counting so two concurrent goto's will be executed in-order
2627 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1991 2628
1992 $self->enter_link; 2629 $self->enter_link;
1993 2630
1994 (async { 2631 (async {
2632 $Coro::current->{desc} = "player::goto $path $x $y";
2633
2634 # *tag paths override both path and x|y
2635 if ($path =~ /^\*(.*)$/) {
2636 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2637 my $ob = $obs[rand @obs];
2638
2639 # see if we actually can go there
2640 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2641 $ob = $obs[rand @obs];
2642 } else {
2643 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2644 }
2645 # else put us there anyways for now #d#
2646
2647 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2648 } else {
2649 ($path, $x, $y) = (undef, undef, undef);
2650 }
2651 }
2652
1995 my $map = eval { 2653 my $map = eval {
1996 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
1997 2655
1998 if ($map) { 2656 if ($map) {
1999 $map = $map->customise_for ($self); 2657 $map = $map->customise_for ($self);
2000 $map = $check->($map) if $check && $map; 2658 $map = $check->($map) if $check && $map;
2001 } else { 2659 } else {
2002 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2660 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2003 } 2661 }
2004 2662
2005 $map 2663 $map
2006 }; 2664 };
2007 2665
2008 if ($@) { 2666 if ($@) {
2009 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2667 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2010 LOG llevError | logBacktrace, Carp::longmess $@; 2668 LOG llevError | logBacktrace, Carp::longmess $@;
2011 } 2669 }
2012 2670
2671 if ($gen == $self->{_goto_generation}) {
2672 delete $self->{_goto_generation};
2013 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
2674 }
2675
2676 $done->() if $done;
2014 })->prio (1); 2677 })->prio (1);
2015} 2678}
2016 2679
2017=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
2018 2681
2038} 2701}
2039 2702
2040sub prepare_random_map { 2703sub prepare_random_map {
2041 my ($exit) = @_; 2704 my ($exit) = @_;
2042 2705
2043 my $guard = cf::lock_acquire "exit_prepare:$exit";
2044
2045 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
2046 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
2047 # that depends on the exit object 2708 # that depends on the exit object
2048 2709
2049 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
2051 if ($exit->map) { 2712 if ($exit->map) {
2052 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
2053 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
2054 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
2055 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
2056 } 2719 }
2057 2720
2058 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
2059 2722
2060 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2061 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
2062 my $meta = "$RANDOMDIR/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
2063 2726
2064 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2065 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
2066 undef $fh; 2729 undef $fh;
2067 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
2068 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
2069 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
2070 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
2071 } 2738 }
2072} 2739}
2073 2740
2074sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
2075 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
2076 2743
2077 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
2078 2745
2079 if ($exit->slaying eq "/!") {
2080 #TODO: this should de-fi-ni-te-ly not be a sync-job
2081 # the problem is that $exit might not survive long enough
2082 # so it needs to be done right now, right here
2083 cf::sync_job { prepare_random_map $exit };
2084 }
2085
2086 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2087 my $hp = $exit->stats->hp;
2088 my $sp = $exit->stats->sp;
2089
2090 $self->enter_link; 2746 $self->enter_link;
2091 2747
2092 (async { 2748 (async {
2093 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
2094 unless (eval { 2751 unless (eval {
2752 $self->deactivate_recursive; # just to be sure
2753
2754 # random map handling
2755 {
2756 my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758 prepare_random_map $exit
2759 if $exit->slaying eq "/!";
2760 }
2761
2762 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2763 my $x = $exit->stats->hp;
2764 my $y = $exit->stats->sp;
2765
2095 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
2096 2767
2768 # if exit is damned, update players death & WoR home-position
2769 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED);
2771
2097 1; 2772 1
2098 }) { 2773 }) {
2099 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
2100 . "I'll try to bring you back to the map you were before. " 2775 . "I'll try to bring you back to the map you were before. "
2101 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
2102 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
2123 2798
2124 utf8::encode $text; 2799 utf8::encode $text;
2125 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2800 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2126} 2801}
2127 2802
2803=item $client->send_msg ($channel, $msg, $color, [extra...])
2804
2805Send a drawinfo or msg packet to the client, formatting the msg for the
2806client if neccessary. C<$type> should be a string identifying the type of
2807the message, with C<log> being the default. If C<$color> is negative, suppress
2808the message unless the client supports the msg packet.
2809
2810=cut
2811
2812# non-persistent channels (usually the info channel)
2813our %CHANNEL = (
2814 "c/identify" => {
2815 id => "infobox",
2816 title => "Identify",
2817 reply => undef,
2818 tooltip => "Items recently identified",
2819 },
2820 "c/examine" => {
2821 id => "infobox",
2822 title => "Examine",
2823 reply => undef,
2824 tooltip => "Signs and other items you examined",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/uptime" => {
2851 id => "infobox",
2852 title => "Uptime",
2853 reply => undef,
2854 tooltip => "How long the server has been running since last restart",
2855 },
2856 "c/mapinfo" => {
2857 id => "infobox",
2858 title => "Map Info",
2859 reply => undef,
2860 tooltip => "Information related to the maps",
2861 },
2862 "c/party" => {
2863 id => "party",
2864 title => "Party",
2865 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party",
2867 },
2868);
2869
2870sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_;
2872
2873 $msg = $self->pl->expand_cfpod ($msg);
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel)
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id};
2885
2886 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel)
2891 if $self->can_msg;
2892 }
2893
2894 $channel = $channel->{id};
2895 }
2896
2897 return unless @extra || length $msg;
2898
2899 if ($self->can_msg) {
2900 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF;
2903
2904 $self->send_packet ("msg " . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2906 } else {
2907 if ($color >= 0) {
2908 # replace some tags by gcfclient-compatible ones
2909 for ($msg) {
2910 1 while
2911 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916 }
2917
2918 $color &= cf::NDI_COLOR_MASK;
2919
2920 utf8::encode $msg;
2921
2922 if (0 && $msg =~ /\[/) {
2923 # COMMAND/INFO
2924 $self->send_packet ("drawextinfo $color 10 8 $msg")
2925 } else {
2926 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927 $self->send_packet ("drawinfo $color $msg")
2928 }
2929 }
2930 }
2931}
2932
2128=item $client->ext_event ($type, %msg) 2933=item $client->ext_msg ($type, @msg)
2129 2934
2130Sends an exti event to the client. 2935Sends an ext event to the client.
2131 2936
2132=cut 2937=cut
2133 2938
2134sub cf::client::ext_event($$%) { 2939sub cf::client::ext_msg($$@) {
2135 my ($self, $type, %msg) = @_; 2940 my ($self, $type, @msg) = @_;
2136 2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2137 $msg{msgtype} = "event_$type"; 2945 push @msg, msgtype => "event_$type";
2138 $self->send_packet ("ext " . cf::to_json \%msg); 2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2948}
2949
2950=item $client->ext_reply ($msgid, @msg)
2951
2952Sends an ext reply to the client.
2953
2954=cut
2955
2956sub cf::client::ext_reply($$@) {
2957 my ($self, $id, @msg) = @_;
2958
2959 if ($self->extcmd == 2) {
2960 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961 } elsif ($self->extcmd == 1) {
2962 #TODO: version 1, remove
2963 unshift @msg, msgtype => "reply", msgid => $id;
2964 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965 }
2139} 2966}
2140 2967
2141=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
2142 2969
2143Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
2144the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2971the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2145C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2972C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2146 2973
2147Queries can fail, so check the return code. Or don't, as queries will become 2974Queries can fail, so check the return code. Or don't, as queries will
2148reliable at some point in the future. 2975become reliable at some point in the future.
2149 2976
2150=cut 2977=cut
2151 2978
2152sub cf::client::query { 2979sub cf::client::query {
2153 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2161 utf8::encode $text; 2988 utf8::encode $text;
2162 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2163 2990
2164 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2165 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2166} 2995}
2167 2996
2168cf::client->attach ( 2997cf::client->attach (
2998 on_connect => sub {
2999 my ($ns) = @_;
3000
3001 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3002 },
2169 on_reply => sub { 3003 on_reply => sub {
2170 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2171 3005
2172 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2173 # get handled first 3007 # get handled first
2185 } else { 3019 } else {
2186 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2187 } 3021 }
2188 } 3022 }
2189 }, 3023 },
3024 on_exticmd => sub {
3025 my ($ns, $buf) = @_;
3026
3027 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028
3029 if (ref $msg) {
3030 my ($type, $reply, @payload) =
3031 "ARRAY" eq ref $msg
3032 ? @$msg
3033 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034
3035 my @reply;
3036
3037 if (my $cb = $EXTICMD{$type}) {
3038 @reply = $cb->($ns, @payload);
3039 }
3040
3041 $ns->ext_reply ($reply, @reply)
3042 if $reply;
3043
3044 } else {
3045 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046 }
3047
3048 cf::override;
3049 },
2190); 3050);
2191 3051
2192=item $client->async (\&cb) 3052=item $client->async (\&cb)
2193 3053
2194Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2235our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2236our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2237 3097
2238$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2239 3099
2240$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3100$safe->permit_only (Opcode::opset qw(
3101 :base_core :base_mem :base_orig :base_math
3102 grepstart grepwhile mapstart mapwhile
3103 sort time
3104));
2241 3105
2242# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2243 3107
2244=pod 3108=pod
2245 3109
2246The following functions and methods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2247 3111
2248 cf::object contr pay_amount pay_player map 3112 cf::object
3113 contr pay_amount pay_player map x y force_find force_add destroy
3114 insert remove name archname title slaying race decrease split
3115
2249 cf::object::player player 3116 cf::object::player
2250 cf::player peaceful 3117 player
2251 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2252 3124
2253=cut 3125=cut
2254 3126
2255for ( 3127for (
2256 ["cf::object" => qw(contr pay_amount pay_player map)], 3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)],
2257 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2258 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2259 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2260) { 3134) {
2261 no strict 'refs'; 3135 no strict 'refs';
2332=back 3206=back
2333 3207
2334=cut 3208=cut
2335 3209
2336############################################################################# 3210#############################################################################
2337
2338=head2 EXTENSION DATABASE SUPPORT
2339
2340Crossfire maintains a very simple database for extension use. It can
2341currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2342convert to/from binary).
2343
2344The parameter C<$family> should best start with the name of the extension
2345using it, it should be unique.
2346
2347=over 4
2348
2349=item $value = cf::db_get $family => $key
2350
2351Returns a single value from the database.
2352
2353=item cf::db_put $family => $key => $value
2354
2355Stores the given C<$value> in the family.
2356
2357=cut
2358
2359our $DB;
2360
2361sub db_init {
2362 unless ($DB) {
2363 $DB = BDB::db_create $DB_ENV;
2364
2365 cf::sync_job {
2366 eval {
2367 $DB->set_flags (BDB::CHKSUM);
2368
2369 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2370 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2371 cf::cleanup "db_open(db): $!" if $!;
2372 };
2373 cf::cleanup "db_open(db): $@" if $@;
2374 };
2375 }
2376}
2377
2378sub db_get($$) {
2379 my $key = "$_[0]/$_[1]";
2380
2381 cf::sync_job {
2382 BDB::db_get $DB, undef, $key, my $data;
2383
2384 $! ? ()
2385 : $data
2386 }
2387}
2388
2389sub db_put($$$) {
2390 BDB::dbreq_pri 4;
2391 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2392}
2393
2394=item cf::cache $id => [$paths...], $processversion => $process
2395
2396Generic caching function that returns the value of the resource $id,
2397caching and regenerating as required.
2398
2399This function can block.
2400
2401=cut
2402
2403sub cache {
2404 my ($id, $src, $processversion, $process) = @_;
2405
2406 my $meta =
2407 join "\x00",
2408 $processversion,
2409 map {
2410 aio_stat $_
2411 and Carp::croak "$_: $!";
2412
2413 ($_, (stat _)[7,9])
2414 } @$src;
2415
2416 my $dbmeta = db_get cache => "$id/meta";
2417 if ($dbmeta ne $meta) {
2418 # changed, we may need to process
2419
2420 my @data;
2421 my $md5;
2422
2423 for (0 .. $#$src) {
2424 0 <= aio_load $src->[$_], $data[$_]
2425 or Carp::croak "$src->[$_]: $!";
2426 }
2427
2428 # if processing is expensive, check
2429 # checksum first
2430 if (1) {
2431 $md5 =
2432 join "\x00",
2433 $processversion,
2434 map {
2435 Coro::cede;
2436 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2437 } 0.. $#$src;
2438
2439
2440 my $dbmd5 = db_get cache => "$id/md5";
2441 if ($dbmd5 eq $md5) {
2442 db_put cache => "$id/meta", $meta;
2443
2444 return db_get cache => "$id/data";
2445 }
2446 }
2447
2448 my $t1 = Time::HiRes::time;
2449 my $data = $process->(\@data);
2450 my $t2 = Time::HiRes::time;
2451
2452 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2453
2454 db_put cache => "$id/data", $data;
2455 db_put cache => "$id/md5" , $md5;
2456 db_put cache => "$id/meta", $meta;
2457
2458 return $data;
2459 }
2460
2461 db_get cache => "$id/data"
2462}
2463
2464=item fork_call { }, $args
2465
2466Executes the given code block with the given arguments in a seperate
2467process, returning the results. Everything must be serialisable with
2468Coro::Storable. May, of course, block. Note that the executed sub may
2469never block itself or use any form of Event handling.
2470
2471=cut
2472
2473sub fork_call(&@) {
2474 my ($cb, @args) = @_;
2475
2476# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2477# or die "socketpair: $!";
2478 pipe my $fh1, my $fh2
2479 or die "pipe: $!";
2480
2481 if (my $pid = fork) {
2482 close $fh2;
2483
2484 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2485 $res = Coro::Storable::thaw $res;
2486
2487 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2488
2489 die $$res unless "ARRAY" eq ref $res;
2490
2491 return wantarray ? @$res : $res->[-1];
2492 } else {
2493 reset_signals;
2494 local $SIG{__WARN__};
2495 local $SIG{__DIE__};
2496 eval {
2497 close $fh1;
2498
2499 my @res = eval { $cb->(@args) };
2500 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2501 };
2502
2503 warn $@ if $@;
2504 _exit 0;
2505 }
2506}
2507
2508
2509
2510#############################################################################
2511# the server's init and main functions 3211# the server's init and main functions
2512 3212
2513sub load_facedata($) { 3213sub load_facedata($) {
2514 my ($path) = @_; 3214 my ($path) = @_;
3215
3216 # HACK to clear player env face cache, we need some signal framework
3217 # for this (global event?)
3218 %ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2515 3221
2516 warn "loading facedata from $path\n"; 3222 warn "loading facedata from $path\n";
2517 3223
2518 my $facedata; 3224 my $facedata;
2519 0 < aio_load $path, $facedata 3225 0 < aio_load $path, $facedata
2522 $facedata = Coro::Storable::thaw $facedata; 3228 $facedata = Coro::Storable::thaw $facedata;
2523 3229
2524 $facedata->{version} == 2 3230 $facedata->{version} == 2
2525 or cf::cleanup "$path: version mismatch, cannot proceed."; 3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
2526 3232
3233 # patch in the exptable
3234 $facedata->{resource}{"res/exp_table"} = {
3235 type => FT_RSRC,
3236 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237 };
3238 cf::cede_to_tick;
3239
2527 { 3240 {
2528 my $faces = $facedata->{faceinfo}; 3241 my $faces = $facedata->{faceinfo};
2529 3242
2530 while (my ($face, $info) = each %$faces) { 3243 while (my ($face, $info) = each %$faces) {
2531 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
2532 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
2533 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2534 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2535 Coro::cede; 3250
3251 cf::cede_to_tick;
2536 } 3252 }
2537 3253
2538 while (my ($face, $info) = each %$faces) { 3254 while (my ($face, $info) = each %$faces) {
2539 next unless $info->{smooth}; 3255 next unless $info->{smooth};
3256
2540 my $idx = cf::face::find $face 3257 my $idx = cf::face::find $face
2541 or next; 3258 or next;
3259
2542 if (my $smooth = cf::face::find $info->{smooth}) { 3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
2543 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2544 } else { 3263 } else {
2545 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
2546 } 3265 }
2547 Coro::cede; 3266
3267 cf::cede_to_tick;
2548 } 3268 }
2549 } 3269 }
2550 3270
2551 { 3271 {
2552 my $anims = $facedata->{animinfo}; 3272 my $anims = $facedata->{animinfo};
2553 3273
2554 while (my ($anim, $info) = each %$anims) { 3274 while (my ($anim, $info) = each %$anims) {
2555 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
2556 Coro::cede; 3276 cf::cede_to_tick;
2557 } 3277 }
2558 3278
2559 cf::anim::invalidate_all; # d'oh 3279 cf::anim::invalidate_all; # d'oh
2560 } 3280 }
2561 3281
3282 {
3283 # TODO: for gcfclient pleasure, we should give resources
3284 # that gcfclient doesn't grok a >10000 face index.
3285 my $res = $facedata->{resource};
3286
3287 while (my ($name, $info) = each %$res) {
3288 if (defined $info->{type}) {
3289 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290 my $data;
3291
3292 if ($info->{type} & 1) {
3293 # prepend meta info
3294
3295 my $meta = $enc->encode ({
3296 name => $name,
3297 %{ $info->{meta} || {} },
3298 });
3299
3300 $data = pack "(w/a*)*", $meta, $info->{data};
3301 } else {
3302 $data = $info->{data};
3303 }
3304
3305 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306 cf::face::set_type $idx, $info->{type};
3307 } else {
3308 $RESOURCE{$name} = $info;
3309 }
3310
3311 cf::cede_to_tick;
3312 }
3313 }
3314
3315 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316
2562 1 3317 1
2563} 3318}
2564 3319
3320cf::global->attach (on_resource_update => sub {
3321 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325 my $sound = $soundconf->{compat}[$_]
3326 or next;
3327
3328 my $face = cf::face::find "sound/$sound->[1]";
3329 cf::sound::set $sound->[0] => $face;
3330 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331 }
3332
3333 while (my ($k, $v) = each %{$soundconf->{event}}) {
3334 my $face = cf::face::find "sound/$v";
3335 cf::sound::set $k => $face;
3336 }
3337 }
3338});
3339
3340register_exticmd fx_want => sub {
3341 my ($ns, $want) = @_;
3342
3343 while (my ($k, $v) = each %$want) {
3344 $ns->fx_want ($k, $v);
3345 }
3346};
3347
3348sub load_resource_file($) {
3349 my $guard = lock_acquire "load_resource_file";
3350
3351 my $status = load_resource_file_ $_[0];
3352 get_slot 0.1, 100;
3353 cf::arch::commit_load;
3354
3355 $status
3356}
3357
2565sub reload_regions { 3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
2566 load_resource_file "$MAPDIR/regions" 3363 load_resource_file "$MAPDIR/regions"
2567 or die "unable to load regions file\n"; 3364 or die "unable to load regions file\n";
3365
3366 for (cf::region::list) {
3367 $_->{match} = qr/$_->{match}/
3368 if exists $_->{match};
3369 }
2568} 3370}
2569 3371
2570sub reload_facedata { 3372sub reload_facedata {
2571 load_facedata "$DATADIR/facedata" 3373 load_facedata "$DATADIR/facedata"
2572 or die "unable to load facedata\n"; 3374 or die "unable to load facedata\n";
2583} 3385}
2584 3386
2585sub reload_resources { 3387sub reload_resources {
2586 warn "reloading resource files...\n"; 3388 warn "reloading resource files...\n";
2587 3389
2588 reload_regions;
2589 reload_facedata; 3390 reload_facedata;
2590 reload_archetypes; 3391 reload_archetypes;
3392 reload_regions;
2591 reload_treasures; 3393 reload_treasures;
2592 3394
2593 warn "finished reloading resource files\n"; 3395 warn "finished reloading resource files\n";
2594} 3396}
2595 3397
2596sub init { 3398sub init {
3399 my $guard = freeze_mainloop;
3400
2597 reload_resources; 3401 reload_resources;
2598} 3402}
2599 3403
2600sub cfg_load { 3404sub reload_config {
2601 open my $fh, "<:utf8", "$CONFDIR/config" 3405 open my $fh, "<:utf8", "$CONFDIR/config"
2602 or return; 3406 or return;
2603 3407
2604 local $/; 3408 local $/;
2605 *CFG = YAML::Syck::Load <$fh>; 3409 *CFG = YAML::Load <$fh>;
2606 3410
2607 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3411 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2608 3412
2609 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3413 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2610 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3414 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2621sub main { 3425sub main {
2622 # we must not ever block the main coroutine 3426 # we must not ever block the main coroutine
2623 local $Coro::idle = sub { 3427 local $Coro::idle = sub {
2624 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3428 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2625 (async { 3429 (async {
2626 Event::one_event; 3430 $Coro::current->{desc} = "IDLE BUG HANDLER";
3431 EV::loop EV::LOOP_ONESHOT;
2627 })->prio (Coro::PRIO_MAX); 3432 })->prio (Coro::PRIO_MAX);
2628 }; 3433 };
2629 3434
2630 cfg_load; 3435 {
3436 my $guard = freeze_mainloop;
3437 reload_config;
2631 db_init; 3438 db_init;
2632 load_extensions; 3439 load_extensions;
2633 3440
2634 $TICK_WATCHER->start; 3441 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3442 evthread_start IO::AIO::poll_fileno;
3443 }
3444
2635 Event::loop; 3445 EV::loop;
2636} 3446}
2637 3447
2638############################################################################# 3448#############################################################################
2639# initialisation and cleanup 3449# initialisation and cleanup
2640 3450
2641# install some emergency cleanup handlers 3451# install some emergency cleanup handlers
2642BEGIN { 3452BEGIN {
3453 our %SIGWATCHER = ();
2643 for my $signal (qw(INT HUP TERM)) { 3454 for my $signal (qw(INT HUP TERM)) {
2644 Event->signal ( 3455 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2645 reentrant => 0,
2646 data => WF_AUTOCANCEL,
2647 signal => $signal,
2648 prio => 0,
2649 cb => sub {
2650 cf::cleanup "SIG$signal"; 3456 cf::cleanup "SIG$signal";
2651 },
2652 ); 3457 };
3458 }
3459}
3460
3461sub write_runtime_sync {
3462 my $runtime = "$LOCALDIR/runtime";
3463
3464 # first touch the runtime file to show we are still running:
3465 # the fsync below can take a very very long time.
3466
3467 IO::AIO::aio_utime $runtime, undef, undef;
3468
3469 my $guard = cf::lock_acquire "write_runtime";
3470
3471 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3472 or return;
3473
3474 my $value = $cf::RUNTIME + 90 + 10;
3475 # 10 is the runtime save interval, for a monotonic clock
3476 # 60 allows for the watchdog to kill the server.
3477
3478 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3479 and return;
3480
3481 # always fsync - this file is important
3482 aio_fsync $fh
3483 and return;
3484
3485 # touch it again to show we are up-to-date
3486 aio_utime $fh, undef, undef;
3487
3488 close $fh
3489 or return;
3490
3491 aio_rename "$runtime~", $runtime
3492 and return;
3493
3494 warn "runtime file written.\n";
3495
2653 } 3496 1
3497}
3498
3499our $uuid_lock;
3500our $uuid_skip;
3501
3502sub write_uuid_sync($) {
3503 $uuid_skip ||= $_[0];
3504
3505 return if $uuid_lock;
3506 local $uuid_lock = 1;
3507
3508 my $uuid = "$LOCALDIR/uuid";
3509
3510 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511 or return;
3512
3513 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3514 $uuid_skip = 0;
3515
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return;
3518
3519 # always fsync - this file is important
3520 aio_fsync $fh
3521 and return;
3522
3523 close $fh
3524 or return;
3525
3526 aio_rename "$uuid~", $uuid
3527 and return;
3528
3529 warn "uuid file written ($value).\n";
3530
3531 1
3532
3533}
3534
3535sub write_uuid($$) {
3536 my ($skip, $sync) = @_;
3537
3538 $sync ? write_uuid_sync $skip
3539 : async { write_uuid_sync $skip };
2654} 3540}
2655 3541
2656sub emergency_save() { 3542sub emergency_save() {
2657 my $freeze_guard = cf::freeze_mainloop; 3543 my $freeze_guard = cf::freeze_mainloop;
2658 3544
2664 # and maps saved/destroyed asynchronously. 3550 # and maps saved/destroyed asynchronously.
2665 warn "begin emergency player save\n"; 3551 warn "begin emergency player save\n";
2666 for my $login (keys %cf::PLAYER) { 3552 for my $login (keys %cf::PLAYER) {
2667 my $pl = $cf::PLAYER{$login} or next; 3553 my $pl = $cf::PLAYER{$login} or next;
2668 $pl->valid or next; 3554 $pl->valid or next;
3555 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2669 $pl->save; 3556 $pl->save;
2670 } 3557 }
2671 warn "end emergency player save\n"; 3558 warn "end emergency player save\n";
2672 3559
2673 warn "begin emergency map save\n"; 3560 warn "begin emergency map save\n";
2679 warn "end emergency map save\n"; 3566 warn "end emergency map save\n";
2680 3567
2681 warn "begin emergency database checkpoint\n"; 3568 warn "begin emergency database checkpoint\n";
2682 BDB::db_env_txn_checkpoint $DB_ENV; 3569 BDB::db_env_txn_checkpoint $DB_ENV;
2683 warn "end emergency database checkpoint\n"; 3570 warn "end emergency database checkpoint\n";
3571
3572 warn "begin write uuid\n";
3573 write_uuid_sync 1;
3574 warn "end write uuid\n";
2684 }; 3575 };
2685 3576
2686 warn "leave emergency perl save\n"; 3577 warn "leave emergency perl save\n";
2687} 3578}
2688 3579
2703 warn "reloading..."; 3594 warn "reloading...";
2704 3595
2705 warn "entering sync_job"; 3596 warn "entering sync_job";
2706 3597
2707 cf::sync_job { 3598 cf::sync_job {
2708 cf::write_runtime; # external watchdog should not bark 3599 cf::write_runtime_sync; # external watchdog should not bark
2709 cf::emergency_save; 3600 cf::emergency_save;
2710 cf::write_runtime; # external watchdog should not bark 3601 cf::write_runtime_sync; # external watchdog should not bark
2711 3602
2712 warn "syncing database to disk"; 3603 warn "syncing database to disk";
2713 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2714 3605
2715 # if anything goes wrong in here, we should simply crash as we already saved 3606 # if anything goes wrong in here, we should simply crash as we already saved
2716
2717 warn "cancelling all WF_AUTOCANCEL watchers";
2718 for (Event::all_watchers) {
2719 $_->cancel if $_->data & WF_AUTOCANCEL;
2720 }
2721 3607
2722 warn "flushing outstanding aio requests"; 3608 warn "flushing outstanding aio requests";
2723 for (;;) { 3609 for (;;) {
2724 BDB::flush; 3610 BDB::flush;
2725 IO::AIO::flush; 3611 IO::AIO::flush;
2726 Coro::cede; 3612 Coro::cede_notself;
2727 last unless IO::AIO::nreqs || BDB::nreqs; 3613 last unless IO::AIO::nreqs || BDB::nreqs;
2728 warn "iterate..."; 3614 warn "iterate...";
2729 } 3615 }
2730 3616
2731 ++$RELOAD; 3617 ++$RELOAD;
2735 %EXT_CORO = (); 3621 %EXT_CORO = ();
2736 3622
2737 warn "removing commands"; 3623 warn "removing commands";
2738 %COMMAND = (); 3624 %COMMAND = ();
2739 3625
2740 warn "removing ext commands"; 3626 warn "removing ext/exti commands";
2741 %EXTCMD = (); 3627 %EXTCMD = ();
3628 %EXTICMD = ();
2742 3629
2743 warn "unloading/nuking all extensions"; 3630 warn "unloading/nuking all extensions";
2744 for my $pkg (@EXTS) { 3631 for my $pkg (@EXTS) {
2745 warn "... unloading $pkg"; 3632 warn "... unloading $pkg";
2746 3633
2789 warn "reloading cf.pm"; 3676 warn "reloading cf.pm";
2790 require cf; 3677 require cf;
2791 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3678 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2792 3679
2793 warn "loading config and database again"; 3680 warn "loading config and database again";
2794 cf::cfg_load; 3681 cf::reload_config;
2795 3682
2796 warn "loading extensions"; 3683 warn "loading extensions";
2797 cf::load_extensions; 3684 cf::load_extensions;
2798 3685
2799 warn "reattaching attachments to objects/players"; 3686 warn "reattaching attachments to objects/players";
2806 warn "leaving sync_job"; 3693 warn "leaving sync_job";
2807 3694
2808 1 3695 1
2809 } or do { 3696 } or do {
2810 warn $@; 3697 warn $@;
2811 warn "error while reloading, exiting."; 3698 cf::cleanup "error while reloading, exiting.";
2812 exit 1;
2813 }; 3699 };
2814 3700
2815 warn "reloaded"; 3701 warn "reloaded";
2816}; 3702};
2817 3703
2819 3705
2820sub reload_perl() { 3706sub reload_perl() {
2821 # doing reload synchronously and two reloads happen back-to-back, 3707 # doing reload synchronously and two reloads happen back-to-back,
2822 # coro crashes during coro_state_free->destroy here. 3708 # coro crashes during coro_state_free->destroy here.
2823 3709
2824 $RELOAD_WATCHER ||= Event->timer ( 3710 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2825 reentrant => 0,
2826 after => 0,
2827 data => WF_AUTOCANCEL,
2828 cb => sub {
2829 do_reload_perl; 3711 do_reload_perl;
2830 undef $RELOAD_WATCHER; 3712 undef $RELOAD_WATCHER;
2831 },
2832 ); 3713 };
2833} 3714}
2834 3715
2835register_command "reload" => sub { 3716register_command "reload" => sub {
2836 my ($who, $arg) = @_; 3717 my ($who, $arg) = @_;
2837 3718
2838 if ($who->flag (FLAG_WIZ)) { 3719 if ($who->flag (FLAG_WIZ)) {
2839 $who->message ("reloading server."); 3720 $who->message ("reloading server.");
3721 async {
3722 $Coro::current->{desc} = "perl_reload";
2840 async { reload_perl }; 3723 reload_perl;
3724 };
2841 } 3725 }
2842}; 3726};
2843 3727
2844unshift @INC, $LIBDIR; 3728unshift @INC, $LIBDIR;
2845 3729
2847 3731
2848our @WAIT_FOR_TICK; 3732our @WAIT_FOR_TICK;
2849our @WAIT_FOR_TICK_BEGIN; 3733our @WAIT_FOR_TICK_BEGIN;
2850 3734
2851sub wait_for_tick { 3735sub wait_for_tick {
2852 return unless $TICK_WATCHER->is_active;
2853 return if $Coro::current == $Coro::main; 3736 return if tick_inhibit || $Coro::current == $Coro::main;
2854 3737
2855 my $signal = new Coro::Signal; 3738 my $signal = new Coro::Signal;
2856 push @WAIT_FOR_TICK, $signal; 3739 push @WAIT_FOR_TICK, $signal;
2857 $signal->wait; 3740 $signal->wait;
2858} 3741}
2859 3742
2860sub wait_for_tick_begin { 3743sub wait_for_tick_begin {
2861 return unless $TICK_WATCHER->is_active;
2862 return if $Coro::current == $Coro::main; 3744 return if tick_inhibit || $Coro::current == $Coro::main;
2863 3745
2864 my $signal = new Coro::Signal; 3746 my $signal = new Coro::Signal;
2865 push @WAIT_FOR_TICK_BEGIN, $signal; 3747 push @WAIT_FOR_TICK_BEGIN, $signal;
2866 $signal->wait; 3748 $signal->wait;
2867} 3749}
2868 3750
2869 my $min = 1e6;#d# 3751sub tick {
2870 my $avg = 10;
2871$TICK_WATCHER = Event->timer (
2872 reentrant => 0,
2873 parked => 1,
2874 prio => 0,
2875 at => $NEXT_TICK || $TICK,
2876 data => WF_AUTOCANCEL,
2877 cb => sub {
2878 if ($Coro::current != $Coro::main) { 3752 if ($Coro::current != $Coro::main) {
2879 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3753 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2880 unless ++$bug_warning > 10; 3754 unless ++$bug_warning > 10;
2881 return; 3755 return;
2882 } 3756 }
2883 3757
2884 $NOW = $tick_start = Event::time;
2885
2886 cf::server_tick; # one server iteration 3758 cf::server_tick; # one server iteration
2887 3759
2888 0 && sync_job {#d# 3760 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 for(1..10) { 3761 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2890 my $t = Event::time; 3762 Coro::async_pool {
2891 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3763 $Coro::current->{desc} = "runtime saver";
2892 or die; 3764 write_runtime_sync
2893 3765 or warn "ERROR: unable to write runtime file: $!";
2894 $map->width (50);
2895 $map->height (50);
2896 $map->alloc;
2897 $map->_load_objects ("/tmp/x.map", 1);
2898 my $t = Event::time - $t;
2899
2900 #next unless $t < 0.0013;#d#
2901 if ($t < $min) {
2902 $min = $t;
2903 }
2904 $avg = $avg * 0.99 + $t * 0.01;
2905 }
2906 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2907 exit 0;
2908 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2909 }; 3766 };
3767 }
2910 3768
2911 $RUNTIME += $TICK;
2912 $NEXT_TICK += $TICK;
2913
2914 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2915 $NEXT_RUNTIME_WRITE = $NOW + 10;
2916 Coro::async_pool {
2917 write_runtime
2918 or warn "ERROR: unable to write runtime file: $!";
2919 };
2920 }
2921
2922# my $AFTER = Event::time;
2923# warn $AFTER - $NOW;#d#
2924
2925 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3769 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2926 $sig->send; 3770 $sig->send;
2927 } 3771 }
2928 while (my $sig = shift @WAIT_FOR_TICK) { 3772 while (my $sig = shift @WAIT_FOR_TICK) {
2929 $sig->send; 3773 $sig->send;
2930 } 3774 }
2931 3775
2932 $NOW = Event::time; 3776 $LOAD = ($NOW - $TICK_START) / $TICK;
2933
2934 # if we are delayed by four ticks or more, skip them all
2935 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2936
2937 $TICK_WATCHER->at ($NEXT_TICK);
2938 $TICK_WATCHER->start;
2939
2940 $LOAD = ($NOW - $tick_start) / $TICK;
2941 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3777 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2942 3778
2943 _post_tick; 3779 if (0) {
2944 3780 if ($NEXT_TICK) {
2945 3781 my $jitter = $TICK_START - $NEXT_TICK;
3782 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783 warn "jitter $JITTER\n";#d#
3784 }
2946 }, 3785 }
2947); 3786}
2948 3787
2949{ 3788{
2950 BDB::max_poll_time $TICK * 0.1; 3789 # configure BDB
2951 $BDB_POLL_WATCHER = Event->io ( 3790
2952 reentrant => 0,
2953 fd => BDB::poll_fileno,
2954 poll => 'r',
2955 prio => 0,
2956 data => WF_AUTOCANCEL,
2957 cb => \&BDB::poll_cb,
2958 );
2959 BDB::min_parallel 8; 3791 BDB::min_parallel 8;
2960 3792 BDB::max_poll_reqs $TICK * 0.1;
2961 BDB::set_sync_prepare { 3793 $AnyEvent::BDB::WATCHER->priority (1);
2962 my $status;
2963 my $current = $Coro::current;
2964 (
2965 sub {
2966 $status = $!;
2967 $current->ready; undef $current;
2968 },
2969 sub {
2970 Coro::schedule while defined $current;
2971 $! = $status;
2972 },
2973 )
2974 };
2975 3794
2976 unless ($DB_ENV) { 3795 unless ($DB_ENV) {
2977 $DB_ENV = BDB::db_env_create; 3796 $DB_ENV = BDB::db_env_create;
3797 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3798 | BDB::LOG_AUTOREMOVE, 1);
3799 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2978 3801
2979 cf::sync_job { 3802 cf::sync_job {
2980 eval { 3803 eval {
2981 BDB::db_env_open 3804 BDB::db_env_open
2982 $DB_ENV, 3805 $DB_ENV,
2984 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3807 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2985 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3808 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2986 0666; 3809 0666;
2987 3810
2988 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3811 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2989
2990 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2991 $DB_ENV->set_lk_detect;
2992 }; 3812 };
2993 3813
2994 cf::cleanup "db_env_open(db): $@" if $@; 3814 cf::cleanup "db_env_open(db): $@" if $@;
2995 }; 3815 };
2996 } 3816 }
3817
3818 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3819 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3820 };
3821 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3822 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823 };
3824 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826 };
2997} 3827}
2998 3828
2999{ 3829{
3830 # configure IO::AIO
3831
3000 IO::AIO::min_parallel 8; 3832 IO::AIO::min_parallel 8;
3001
3002 undef $Coro::AIO::WATCHER;
3003 IO::AIO::max_poll_time $TICK * 0.1; 3833 IO::AIO::max_poll_time $TICK * 0.1;
3004 $AIO_POLL_WATCHER = Event->io ( 3834 $AnyEvent::AIO::WATCHER->priority (1);
3005 reentrant => 0,
3006 data => WF_AUTOCANCEL,
3007 fd => IO::AIO::poll_fileno,
3008 poll => 'r',
3009 prio => 6,
3010 cb => \&IO::AIO::poll_cb,
3011 );
3012} 3835}
3013 3836
3014my $_log_backtrace; 3837my $_log_backtrace;
3015 3838
3016sub _log_backtrace { 3839sub _log_backtrace {
3020 3843
3021 # limit the # of concurrent backtraces 3844 # limit the # of concurrent backtraces
3022 if ($_log_backtrace < 2) { 3845 if ($_log_backtrace < 2) {
3023 ++$_log_backtrace; 3846 ++$_log_backtrace;
3024 async { 3847 async {
3848 $Coro::current->{desc} = "abt $msg";
3849
3025 my @bt = fork_call { 3850 my @bt = fork_call {
3026 @addr = map { sprintf "%x", $_ } @addr; 3851 @addr = map { sprintf "%x", $_ } @addr;
3027 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3852 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3028 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3853 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3029 or die "addr2line: $!"; 3854 or die "addr2line: $!";

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