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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.274 by root, Tue Jun 5 13:05:02 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';
203)) { 249)) {
204 no strict 'refs'; 250 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 252}
207 253
208$Event::DIED = sub { 254$EV::DIED = sub {
209 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
210}; 256};
257
258#############################################################################
211 259
212=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
213 261
214=over 4 262=over 4
215 263
234 $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;
235 $d 283 $d
236 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
237} 285}
238 286
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
242 288
243Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
244 290
245=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
246 292
247Converts 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]) }
248 301
249=item cf::lock_wait $string 302=item cf::lock_wait $string
250 303
251Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
252 305
255Wait 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
256a 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,
257for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
258returned. 311returned.
259 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
260Lock 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
261uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
262 318
263=item $locked = cf::lock_active $string 319=item $locked = cf::lock_active $string
264 320
265Return true if the lock is currently active, i.e. somebody has locked it. 321Return true if the lock is currently active, i.e. somebody has locked it.
266 322
267=cut 323=cut
268 324
269our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
270 327
271sub lock_wait($) { 328sub lock_wait($) {
272 my ($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#
273 335
274 # wait for lock, if any 336 # wait for lock, if any
275 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 339 Coro::schedule;
283 345
284 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
285 lock_wait $key; 347 lock_wait $key;
286 348
287 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
288 351
289 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
292 } 356 }
293} 357}
294 358
297 361
298 ! ! $LOCK{$key} 362 ! ! $LOCK{$key}
299} 363}
300 364
301sub freeze_mainloop { 365sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
303 367
304 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
305 $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($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
306 }; 429 }
307 $TICK_WATCHER->stop; 430};
308 $guard 431
432sub get_slot($;$$) {
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 $sig->wait;
309} 444}
310 445
311=item cf::async { BLOCK } 446=item cf::async { BLOCK }
312 447
313Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
318 453
319BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
320 455
321=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
322 457
323The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
326 462
327If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
330fast or be very important. 466fast or be very important.
333 469
334sub sync_job(&) { 470sub sync_job(&) {
335 my ($job) = @_; 471 my ($job) = @_;
336 472
337 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 474 my $time = EV::time;
339 475
340 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
342 478
343 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 480
345 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
346 482
347 my $busy = 1; 483 my $busy = 1;
348 my @res; 484 my @res;
349 485
350 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 488 @res = eval { $job->() };
352 warn $@ if $@; 489 warn $@ if $@;
353 undef $busy; 490 undef $busy;
354 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
355 492
356 while ($busy) { 493 while ($busy) {
357 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
358 } 498 }
499 }
359 500
360 $time = Event::time - $time; 501 my $time = EV::time - $time;
361 502
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 503 $TICK_START += $time; # do not account sync jobs to server load
366 504
367 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
368 } else { 506 } else {
369 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
370 508
390 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
391 529
392 $coro 530 $coro
393} 531}
394 532
395sub write_runtime { 533=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 534
398 # first touch the runtime file to show we are still running: 535Executes the given code block with the given arguments in a seperate
399 # 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.
400 539
401 IO::AIO::aio_utime $runtime, undef, undef; 540=cut
402 541
403 my $guard = cf::lock_acquire "write_runtime"; 542sub fork_call(&@) {
543 my ($cb, @args) = @_;
404 544
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 545 # we seemingly have to make a local copy of the whole thing,
406 or return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
407 548
408 my $value = $cf::RUNTIME + 90 + 10; 549 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 550 reset_signals;
410 # 60 allows for the watchdog to kill the server. 551 &$cb
552 }, @args;
411 553
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 554 wantarray ? @res : $res[-1]
413 and return; 555}
414 556
415 # always fsync - this file is important 557=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 558
419 # touch it again to show we are up-to-date 559=cut
420 aio_utime $fh, undef, undef;
421 560
422 close $fh 561our %coin_alias = (
423 or return; 562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
424 577
425 aio_rename "$runtime~", $runtime 578sub coin_from_name($) {
426 and return; 579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
427 583
428 warn "runtime file written.\n"; 584=item $value = cf::db_get $family => $key
429 585
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 $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
430 1 633 }
634}
635
636sub db_put($$$) {
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"
431} 709}
432 710
433=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
434 712
435Log 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.
453attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
455 733
456In 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>
457C<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
458crossfire+). 736Deliantra).
459 737
460=over 4 738=over 4
461 739
462=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
463 741
665 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
666 } 944 }
667 945
668 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
669 } else { 947 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 949 }
672 950
673 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
674} 952}
675 953
715 "; 993 ";
716 die if $@; 994 die if $@;
717} 995}
718 996
719our $override; 997our $override;
720our @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?
721 999
722sub override { 1000sub override {
723 $override = 1; 1001 $override = 1;
724 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
725} 1003}
726 1004
727sub do_invoke { 1005sub do_invoke {
728 my $event = shift; 1006 my $event = shift;
729 my $callbacks = shift; 1007 my $callbacks = shift;
730 1008
731 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
732 1010
733 local $override; 1011 local $override;
734 1012
735 for (@$callbacks) { 1013 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
745 } 1023 }
746 1024
747 0 1025 0
748} 1026}
749 1027
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1029
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1031
754Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
755 1033
756This 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
757removed 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
758results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1037
760=back 1038=back
761 1039
762=cut 1040=cut
763 1041
764############################################################################# 1042#############################################################################
765# 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, $ob2
1085}
766 1086
767sub reattach { 1087sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1089 my ($obj) = @_;
770 1090
791cf::attachable->attach ( 1111cf::attachable->attach (
792 prio => -1000000, 1112 prio => -1000000,
793 on_instantiate => sub { 1113 on_instantiate => sub {
794 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
795 1115
796 $data = from_json $data; 1116 $data = decode_json $data;
797 1117
798 for (@$data) { 1118 for (@$data) {
799 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
800 1120
801 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1137sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
819 1139
820 sync_job { 1140 sync_job {
821 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
824 1145
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1150 aio_close $fh;
830 1151
831 if (@$objs) { 1152 if (@$objs) {
832 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) {
833 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1158 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
839 } 1160 }
840 } else { 1161 } else {
841 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
842 } 1163 }
847 } 1168 }
848 } else { 1169 } else {
849 aio_unlink $filename; 1170 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
851 } 1172 }
852 } 1173 };
853} 1174}
854 1175
855sub object_freezer_as_string { 1176sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
857 1178
869 or return; 1190 or return;
870 1191
871 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
873 or return; 1194 or return;
1195
874 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
875 } 1198 }
876 1199
1200 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1202 $decname, length $data, scalar @{$av || []};
1203
879 return ($data, $av); 1204 ($data, $av)
880} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
881 1212
882############################################################################# 1213#############################################################################
883# command handling &c 1214# command handling &c
884 1215
885=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1230}
900 1231
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1233
903Register 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.
904 1239
905If 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
906called. 1241called.
907 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
908=cut 1254=cut
909 1255
910sub register_extcmd { 1256sub register_extcmd {
911 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
912 1258
913 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
914} 1266}
915 1267
916cf::player->attach ( 1268cf::player->attach (
917 on_command => sub { 1269 on_command => sub {
918 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
927 cf::override; 1279 cf::override;
928 }, 1280 },
929 on_extcmd => sub { 1281 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
931 1283
932 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1285
934 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
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
940 } else { 1301 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1303 }
943 1304
944 cf::override; 1305 cf::override;
945 }, 1306 },
946); 1307);
947 1308
948sub load_extension {
949 my ($path) = @_;
950
951 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
952 my $base = $1;
953 my $pkg = $1;
954 $pkg =~ s/[^[:word:]]/_/g;
955 $pkg = "ext::$pkg";
956
957 warn "... loading '$path' into '$pkg'\n";
958
959 open my $fh, "<:utf8", $path
960 or die "$path: $!";
961
962 my $source =
963 "package $pkg; use strict; use utf8;\n"
964 . "#line 1 \"$path\"\n{\n"
965 . (do { local $/; <$fh> })
966 . "\n};\n1";
967
968 unless (eval $source) {
969 my $msg = $@ ? "$path: $@\n"
970 : "extension disabled.\n";
971 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972 warn $@;
973 warn "mandatory extension failed to load, exiting.\n";
974 exit 1;
975 }
976 die $@;
977 }
978
979 push @EXTS, $pkg;
980}
981
982sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
983 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
984 next unless -r $ext; 1314 next unless -r $path;
985 eval { 1315
986 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 $progress = 1;
987 1 1372 }
988 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
989 } 1378 };
990} 1379}
991 1380
992############################################################################# 1381#############################################################################
993 1382
1383=back
1384
994=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
995 1386
996Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
997 1388
998=cut 1389=cut
1002use Coro::AIO; 1393use Coro::AIO;
1003 1394
1004=head3 cf::player 1395=head3 cf::player
1005 1396
1006=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}
1007 1412
1008=item cf::player::find $login 1413=item cf::player::find $login
1009 1414
1010Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
1011 1416
1047 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1051 1456
1052 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1053 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;
1054 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1055 } 1466 }
1056 } 1467 }
1057} 1468}
1058 1469
1067 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1068 1479
1069 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1070 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1071 1482
1483 cf::get_slot 0.01;
1484
1072 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1073 Coro::cede; 1486 cf::cede_to_tick;
1074} 1487}
1075 1488
1076sub new($) { 1489sub new($) {
1077 my ($login) = @_; 1490 my ($login) = @_;
1078 1491
1084 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1085 1498
1086 $self 1499 $self
1087} 1500}
1088 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
1089=item $pl->quit_character 1512=item $pl->quit_character
1090 1513
1091Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1092be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1093 1516
1101 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1102 $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
1103 1526
1104 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1105 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1106 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1107 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1108 1533
1109 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1110 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1146 or return []; 1571 or return [];
1147 1572
1148 my @logins; 1573 my @logins;
1149 1574
1150 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") {
1151 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1153 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1154 1585
1155 utf8::decode $login; 1586 utf8::decode $login;
1156 push @logins, $login; 1587 push @logins, $login;
1157 } 1588 }
1158 1589
1185 } 1616 }
1186 1617
1187 \@paths 1618 \@paths
1188} 1619}
1189 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
1190=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1191 1715
1192Sends an ext reply to the player. 1716Sends an ext reply to the player.
1193 1717
1194=cut 1718=cut
1195 1719
1196sub ext_reply($$%) { 1720sub ext_reply($$@) {
1197 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1198 1722
1199 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1200
1201 $self->send ("ext " . cf::to_json \%msg);
1202} 1724}
1203 1725
1204=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1205 1727
1206Sends an ext event to the client. 1728Sends an ext event to the client.
1207 1729
1208=cut 1730=cut
1209 1731
1210sub ext_event($$%) { 1732sub ext_msg($$@) {
1211 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1212 1734
1213 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1214} 1736}
1215 1737
1216=head3 cf::region 1738=head3 cf::region
1217 1739
1218=over 4 1740=over 4
1221 1743
1222package cf::region; 1744package cf::region;
1223 1745
1224=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1225 1747
1226Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1227 1749
1228=cut 1750=cut
1229 1751
1230sub find_by_path($) { 1752sub find_by_path($) {
1231 my ($path) = @_; 1753 my ($path) = @_;
1232 1754
1233 my ($match, $specificity); 1755 my ($match, $specificity);
1234 1756
1235 for my $region (list) { 1757 for my $region (list) {
1236 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1237 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1238 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1239 } 1761 }
1240 } 1762 }
1241 1763
1262our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1263our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1264 1786
1265sub generate_random_map { 1787sub generate_random_map {
1266 my ($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
1267 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1268 $self->_create_random_map ( 1793 $self->_create_random_map (
1269 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1305 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1306 1831
1307 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1308 local $self->{path}; 1833 local $self->{path};
1309 local $self->{load_path}; 1834 local $self->{load_path};
1310 local $self->{deny_save};
1311 local $self->{deny_reset};
1312 1835
1313 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1314} 1837}
1315 1838
1316sub normalise { 1839sub normalise {
1363 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1364 return $self; 1887 return $self;
1365 } 1888 }
1366 } 1889 }
1367 1890
1368 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1369 () 1892 ()
1370} 1893}
1371 1894
1372sub init { 1895sub init {
1373 my ($self) = @_; 1896 my ($self) = @_;
1395 1918
1396# the temporary/swap location 1919# the temporary/swap location
1397sub save_path { 1920sub save_path {
1398 my ($self) = @_; 1921 my ($self) = @_;
1399 1922
1400 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401 "$TMPDIR/$path.map" 1924 "$TMPDIR/$path.map"
1402} 1925}
1403 1926
1404# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1405sub uniq_path { 1928sub uniq_path {
1406 my ($self) = @_; 1929 my ($self) = @_;
1407 1930
1408 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1410} 1933}
1411 1934
1412# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1413# all maps in C++... 1936# all maps in C++...
1416 1939
1417 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1418 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1419} 1942}
1420 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1421sub unlink_save { 1952sub unlink_save {
1422 my ($self) = @_; 1953 my ($self) = @_;
1423 1954
1424 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1425 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1428 1959
1429sub load_header_from($) { 1960sub load_header_from($) {
1430 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1431 1962
1432 utf8::encode $path; 1963 utf8::encode $path;
1433 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1434 # or return;
1435
1436 $self->_load_header ($path)
1437 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;
1438 1972
1439 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1440 1974
1441 1 1975 1
1442} 1976}
1481 $self->load_header_orig 2015 $self->load_header_orig
1482 or return; 2016 or return;
1483 $self->prepare_orig; 2017 $self->prepare_orig;
1484 } 2018 }
1485 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1486 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1487 unless $self->default_region; 2024 unless $self->default_region;
1488 2025
1489 1 2026 1
1490} 2027}
1493sub find { 2030sub find {
1494 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1495 2032
1496 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1497 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1498 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1499 2037
1500 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1501 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1502 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1503 or return; 2043 or return;
1504 2044
1505 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1506 2046
1507 $map->load_header 2047 $map->load_header
1508 or return; 2048 or return;
1509 2049
1510 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1512 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1513 $map->reset; 2055 $map->reset;
1514 undef $guard;
1515 return find $path; 2056 return find $path;
1516 } 2057 }
1517 2058
1518 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1519 } 2060 }
1528 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1529 2070
1530 my $path = $self->{path}; 2071 my $path = $self->{path};
1531 2072
1532 { 2073 {
1533 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1534 2075
2076 return unless $self->valid;
1535 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1536 2078
1537 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1538 2080
1539 $self->alloc; 2081 $self->alloc;
1540 2082
1541 $self->pre_load; 2083 $self->pre_load;
1542 Coro::cede; 2084 cf::cede_to_tick;
1543 2085
2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
1544 $self->_load_objects ($self->{load_path}, 1) 2088 $self->_load_objects ($f)
1545 or return; 2089 or return;
1546 2090
1547 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1548 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1549 2093
1550 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1551 utf8::encode $uniq; 2095 utf8::encode $uniq;
1552 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1553 $self->clear_unique_items; 2098 $self->clear_unique_items;
1554 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1555 } 2102 }
1556 } 2103 }
1557 2104
1558 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1559 # now do the right thing for maps 2108 # now do the right thing for maps
1560 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1561 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1562 unless $self->difficulty; 2111 unless $self->difficulty;
1563 Coro::cede; 2112 cf::cede_to_tick;
1564 2113
1565 unless ($self->{deny_activate}) { 2114 unless ($self->{deny_activate}) {
1566 $self->decay_objects; 2115 $self->decay_objects;
1567 $self->fix_auto_apply; 2116 $self->fix_auto_apply;
1568 $self->update_buttons; 2117 $self->update_buttons;
1569 Coro::cede; 2118 cf::cede_to_tick;
1570 $self->set_darkness_map; 2119 $self->set_darkness_map;
1571 Coro::cede; 2120 cf::cede_to_tick;
1572 $self->activate; 2121 $self->activate;
1573 } 2122 }
1574 2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
1575 $self->in_memory (cf::MAP_IN_MEMORY); 2127 $self->in_memory (cf::MAP_ACTIVE);
1576 } 2128 }
1577 2129
1578 $self->post_load; 2130 $self->post_load;
1579} 2131}
1580 2132
1582 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1583 2135
1584 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1585 if $self->per_player; 2137 if $self->per_player;
1586 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1587 $self 2142 $self
1588} 2143}
1589 2144
1590# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1591sub load_diag { 2146sub load_neighbours {
1592 my ($map) = @_; 2147 my ($map) = @_;
1593 2148
1594 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1595 2150
1596 for (0 .. 3) { 2151 for (0 .. 3) {
1597 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1598 or next; 2153 or next;
1599 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1600 or next; 2155 or next;
1601 $neigh->load; 2156 $neigh->load;
1602 2157
2158 push @neigh,
1603 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1605 } 2161 }
1606 2162
1607 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1608 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1609 or next; 2166 or next;
1610 $neigh->load; 2167 $neigh->load;
1611 } 2168 }
1612} 2169}
1613 2170
1618} 2175}
1619 2176
1620sub do_load_sync { 2177sub do_load_sync {
1621 my ($map) = @_; 2178 my ($map) = @_;
1622 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1623 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1624} 2184}
1625 2185
1626our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1627our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1628 2188
1629sub find_async { 2189sub find_async {
1630 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1631 2191
1632 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1633 2193
1634 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1635 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1636 } 2196 }
1637 2197
1638 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1639 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1640 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1641 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1642 my $map = find $path 2205 if (my $map = find $k) {
1643 or next;
1644 $map->load; 2206 $map->load if $v;
2207 }
1645 2208
1646 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1647 } 2210 }
1648 } 2211 }
1649 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1650 }; 2213 };
1651 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1654} 2217}
1655 2218
1656sub save { 2219sub save {
1657 my ($self) = @_; 2220 my ($self) = @_;
1658 2221
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2223
1661 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1662 2225
1663 return unless $self->dirty; 2226 return unless $self->dirty;
1664 2227
1670 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1671 2234
1672 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1673 2236
1674 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1675 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1676 }; 2240 };
2241
2242 cf::get_slot 0.02;
1677 2243
1678 if ($uniq) { 2244 if ($uniq) {
1679 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1681 } else { 2247 } else {
1687 my ($self) = @_; 2253 my ($self) = @_;
1688 2254
1689 # save first because save cedes 2255 # save first because save cedes
1690 $self->save; 2256 $self->save;
1691 2257
1692 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1693 2259
1694 return if $self->players; 2260 return if $self->players;
1695 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1696 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1697 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1698 $self->clear; 2268 $self->clear;
1699 $self->in_memory (cf::MAP_SWAPPED);
1700} 2269}
1701 2270
1702sub reset_at { 2271sub reset_at {
1703 my ($self) = @_; 2272 my ($self) = @_;
1704 2273
1705 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1706 return 1e99 if $self->isa ("ext::map_per_player");#d#
1707 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1708 2276
1709 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711 2279
1722 my ($self) = @_; 2290 my ($self) = @_;
1723 2291
1724 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1725 2293
1726 return if $self->players; 2294 return if $self->players;
1727 return if $self->isa ("ext::map_per_player");#d#
1728 2295
1729 warn "resetting map ", $self->path; 2296 warn "resetting map ", $self->path;
1730 2297
1731 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1732 2299
1738 if $uniq; 2305 if $uniq;
1739 } 2306 }
1740 2307
1741 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1742 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1743 $self->clear; 2312 $self->clear;
1744
1745 $_->clear_links_to ($self) for values %cf::MAP;
1746 2313
1747 $self->unlink_save; 2314 $self->unlink_save;
1748 $self->destroy; 2315 $self->destroy;
1749} 2316}
1750 2317
1751my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1752 2319
1753sub nuke { 2320sub nuke {
1754 my ($self) = @_; 2321 my ($self) = @_;
1755 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1756 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1757 2327
1758 $self->unlink_save; 2328 $self->unlink_save;
1759 2329
1760 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1761 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1762 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1763 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1764 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765 2335
1766 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1767 2338
1768 $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 ]
1769} 2376}
1770 2377
1771=item cf::map::unique_maps 2378=item cf::map::unique_maps
1772 2379
1773Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1774instantiated unique items. May block. 2381instantiated unique items. May block.
1775 2382
1776=cut 2383=cut
1777 2384
1778sub unique_maps() { 2385sub unique_maps() {
1779 my $files = aio_readdir $UNIQUEDIR 2386 [
1780 or return; 2387 map {
1781
1782 my @paths;
1783
1784 for (@$files) {
1785 utf8::decode $_; 2388 utf8::decode $_;
1786 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1787 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788 2391 ? ()
1789 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1790 } 2394 ]
1791
1792 \@paths
1793} 2395}
1794
1795package cf;
1796 2396
1797=back 2397=back
1798 2398
1799=head3 cf::object 2399=head3 cf::object
1800 2400
1804 2404
1805=over 4 2405=over 4
1806 2406
1807=item $ob->inv_recursive 2407=item $ob->inv_recursive
1808 2408
1809Returns 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.
1810 2411
1811=cut 2412=cut
1812 2413
1813sub inv_recursive_; 2414sub inv_recursive_;
1814sub inv_recursive_ { 2415sub inv_recursive_ {
1817 2418
1818sub inv_recursive { 2419sub inv_recursive {
1819 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1820} 2421}
1821 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
1822package cf; 2451package cf;
1823 2452
1824=back 2453=back
1825 2454
1826=head3 cf::object::player 2455=head3 cf::object::player
1832Sends 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>
1833can 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
1834dialogue with the given NPC character. 2463dialogue with the given NPC character.
1835 2464
1836=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};
1837 2480
1838# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1839# with dialog boxes. 2482# with dialog boxes.
1840#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
1841sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1843 2486
1844 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845 2488
1846 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1847 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1848 } 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 {
1849 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1850 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1851 } 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 (@_);
1852} 2514}
1853 2515
1854=item $player_object->may ("access") 2516=item $player_object->may ("access")
1855 2517
1856Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1935 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1936 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1937 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1938 2600
1939 $map->load; 2601 $map->load;
1940 $map->load_diag; 2602 $map->load_neighbours;
1941 2603
1942 return unless $self->contr->active; 2604 return unless $self->contr->active;
1943 $self->activate_recursive; 2605 $self->activate_recursive;
1944 2606
1945 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1947} 2609}
1948 2610
1949=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1950 2612
1951Moves 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
1952her, loading and preparing them map, calling the provided $check callback 2614her, loading and preparing them map, calling the provided $check callback
1953that 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
1954the 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.
1955 2618
1956=cut 2619=cut
1957 2620
1958our $GOTOGEN; 2621our $GOTOGEN;
1959 2622
1960sub cf::object::player::goto { 2623sub cf::object::player::goto {
1961 my ($self, $path, $x, $y, $check) = @_; 2624 my ($self, $path, $x, $y, $check, $done) = @_;
1962 2625
1963 # do generation counting so two concurrent goto's will be executed in-order 2626 # do generation counting so two concurrent goto's will be executed in-order
1964 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2627 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965 2628
1966 $self->enter_link; 2629 $self->enter_link;
1967 2630
1968 (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
1969 my $map = eval { 2653 my $map = eval {
1970 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
1971 2655
1972 if ($map) { 2656 if ($map) {
1973 $map = $map->customise_for ($self); 2657 $map = $map->customise_for ($self);
1974 $map = $check->($map) if $check && $map; 2658 $map = $check->($map) if $check && $map;
1975 } else { 2659 } else {
1976 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2660 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977 } 2661 }
1978 2662
1979 $map 2663 $map
1980 }; 2664 };
1981 2665
1986 2670
1987 if ($gen == $self->{_goto_generation}) { 2671 if ($gen == $self->{_goto_generation}) {
1988 delete $self->{_goto_generation}; 2672 delete $self->{_goto_generation};
1989 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
1990 } 2674 }
2675
2676 $done->() if $done;
1991 })->prio (1); 2677 })->prio (1);
1992} 2678}
1993 2679
1994=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
1995 2681
2015} 2701}
2016 2702
2017sub prepare_random_map { 2703sub prepare_random_map {
2018 my ($exit) = @_; 2704 my ($exit) = @_;
2019 2705
2020 my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
2023 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
2024 # that depends on the exit object 2708 # that depends on the exit object
2025 2709
2026 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
2028 if ($exit->map) { 2712 if ($exit->map) {
2029 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
2030 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
2031 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
2032 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
2033 } 2719 }
2034 2720
2035 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
2036 2722
2037 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
2039 my $meta = "$RANDOMDIR/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
2040 2726
2041 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
2043 undef $fh; 2729 undef $fh;
2044 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
2045 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
2046 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
2047 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
2048 } 2738 }
2049} 2739}
2050 2740
2051sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
2052 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
2053 2743
2054 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
2055 2745
2056 if ($exit->slaying eq "/!") {
2057 #TODO: this should de-fi-ni-te-ly not be a sync-job
2058 # the problem is that $exit might not survive long enough
2059 # so it needs to be done right now, right here
2060 cf::sync_job { prepare_random_map $exit };
2061 }
2062
2063 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064 my $hp = $exit->stats->hp;
2065 my $sp = $exit->stats->sp;
2066
2067 $self->enter_link; 2746 $self->enter_link;
2068 2747
2069 (async { 2748 (async {
2070 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
2071 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
2072 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
2073 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
2074 1; 2772 1
2075 }) { 2773 }) {
2076 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
2077 . "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. "
2078 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
2079 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
2100 2798
2101 utf8::encode $text; 2799 utf8::encode $text;
2102 $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);
2103} 2801}
2104 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
2105=item $client->ext_event ($type, %msg) 2933=item $client->ext_msg ($type, @msg)
2106 2934
2107Sends an exti event to the client. 2935Sends an ext event to the client.
2108 2936
2109=cut 2937=cut
2110 2938
2111sub cf::client::ext_event($$%) { 2939sub cf::client::ext_msg($$@) {
2112 my ($self, $type, %msg) = @_; 2940 my ($self, $type, @msg) = @_;
2113 2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2114 $msg{msgtype} = "event_$type"; 2945 push @msg, msgtype => "event_$type";
2115 $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 }
2116} 2966}
2117 2967
2118=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
2119 2969
2120Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
2121the 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>,
2122C<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>.
2123 2973
2124Queries 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
2125reliable at some point in the future. 2975become reliable at some point in the future.
2126 2976
2127=cut 2977=cut
2128 2978
2129sub cf::client::query { 2979sub cf::client::query {
2130 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2138 utf8::encode $text; 2988 utf8::encode $text;
2139 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140 2990
2141 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2142 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2143} 2995}
2144 2996
2145cf::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 },
2146 on_reply => sub { 3003 on_reply => sub {
2147 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2148 3005
2149 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2150 # get handled first 3007 # get handled first
2162 } else { 3019 } else {
2163 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164 } 3021 }
2165 } 3022 }
2166 }, 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 },
2167); 3050);
2168 3051
2169=item $client->async (\&cb) 3052=item $client->async (\&cb)
2170 3053
2171Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2212our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2213our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2214 3097
2215$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2216 3099
2217$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));
2218 3105
2219# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2220 3107
2221=pod 3108=pod
2222 3109
2223The following functions and methods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2224 3111
2225 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
2226 cf::object::player player 3116 cf::object::player
2227 cf::player peaceful 3117 player
2228 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2229 3124
2230=cut 3125=cut
2231 3126
2232for ( 3127for (
2233 ["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)],
2234 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2235 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2236 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2237) { 3134) {
2238 no strict 'refs'; 3135 no strict 'refs';
2309=back 3206=back
2310 3207
2311=cut 3208=cut
2312 3209
2313############################################################################# 3210#############################################################################
2314
2315=head2 EXTENSION DATABASE SUPPORT
2316
2317Crossfire maintains a very simple database for extension use. It can
2318currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319convert to/from binary).
2320
2321The parameter C<$family> should best start with the name of the extension
2322using it, it should be unique.
2323
2324=over 4
2325
2326=item $value = cf::db_get $family => $key
2327
2328Returns a single value from the database.
2329
2330=item cf::db_put $family => $key => $value
2331
2332Stores the given C<$value> in the family.
2333
2334=cut
2335
2336our $DB;
2337
2338sub db_init {
2339 unless ($DB) {
2340 $DB = BDB::db_create $DB_ENV;
2341
2342 cf::sync_job {
2343 eval {
2344 $DB->set_flags (BDB::CHKSUM);
2345
2346 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348 cf::cleanup "db_open(db): $!" if $!;
2349 };
2350 cf::cleanup "db_open(db): $@" if $@;
2351 };
2352 }
2353}
2354
2355sub db_get($$) {
2356 my $key = "$_[0]/$_[1]";
2357
2358 cf::sync_job {
2359 BDB::db_get $DB, undef, $key, my $data;
2360
2361 $! ? ()
2362 : $data
2363 }
2364}
2365
2366sub db_put($$$) {
2367 BDB::dbreq_pri 4;
2368 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369}
2370
2371=item cf::cache $id => [$paths...], $processversion => $process
2372
2373Generic caching function that returns the value of the resource $id,
2374caching and regenerating as required.
2375
2376This function can block.
2377
2378=cut
2379
2380sub cache {
2381 my ($id, $src, $processversion, $process) = @_;
2382
2383 my $meta =
2384 join "\x00",
2385 $processversion,
2386 map {
2387 aio_stat $_
2388 and Carp::croak "$_: $!";
2389
2390 ($_, (stat _)[7,9])
2391 } @$src;
2392
2393 my $dbmeta = db_get cache => "$id/meta";
2394 if ($dbmeta ne $meta) {
2395 # changed, we may need to process
2396
2397 my @data;
2398 my $md5;
2399
2400 for (0 .. $#$src) {
2401 0 <= aio_load $src->[$_], $data[$_]
2402 or Carp::croak "$src->[$_]: $!";
2403 }
2404
2405 # if processing is expensive, check
2406 # checksum first
2407 if (1) {
2408 $md5 =
2409 join "\x00",
2410 $processversion,
2411 map {
2412 Coro::cede;
2413 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2414 } 0.. $#$src;
2415
2416
2417 my $dbmd5 = db_get cache => "$id/md5";
2418 if ($dbmd5 eq $md5) {
2419 db_put cache => "$id/meta", $meta;
2420
2421 return db_get cache => "$id/data";
2422 }
2423 }
2424
2425 my $t1 = Time::HiRes::time;
2426 my $data = $process->(\@data);
2427 my $t2 = Time::HiRes::time;
2428
2429 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431 db_put cache => "$id/data", $data;
2432 db_put cache => "$id/md5" , $md5;
2433 db_put cache => "$id/meta", $meta;
2434
2435 return $data;
2436 }
2437
2438 db_get cache => "$id/data"
2439}
2440
2441=item fork_call { }, $args
2442
2443Executes the given code block with the given arguments in a seperate
2444process, returning the results. Everything must be serialisable with
2445Coro::Storable. May, of course, block. Note that the executed sub may
2446never block itself or use any form of Event handling.
2447
2448=cut
2449
2450sub fork_call(&@) {
2451 my ($cb, @args) = @_;
2452
2453# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454# or die "socketpair: $!";
2455 pipe my $fh1, my $fh2
2456 or die "pipe: $!";
2457
2458 if (my $pid = fork) {
2459 close $fh2;
2460
2461 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462 $res = Coro::Storable::thaw $res;
2463
2464 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466 die $$res unless "ARRAY" eq ref $res;
2467
2468 return wantarray ? @$res : $res->[-1];
2469 } else {
2470 reset_signals;
2471 local $SIG{__WARN__};
2472 local $SIG{__DIE__};
2473 eval {
2474 close $fh1;
2475
2476 my @res = eval { $cb->(@args) };
2477 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478 };
2479
2480 warn $@ if $@;
2481 _exit 0;
2482 }
2483}
2484
2485#############################################################################
2486# the server's init and main functions 3211# the server's init and main functions
2487 3212
2488sub load_facedata($) { 3213sub load_facedata($) {
2489 my ($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;
2490 3221
2491 warn "loading facedata from $path\n"; 3222 warn "loading facedata from $path\n";
2492 3223
2493 my $facedata; 3224 my $facedata;
2494 0 < aio_load $path, $facedata 3225 0 < aio_load $path, $facedata
2497 $facedata = Coro::Storable::thaw $facedata; 3228 $facedata = Coro::Storable::thaw $facedata;
2498 3229
2499 $facedata->{version} == 2 3230 $facedata->{version} == 2
2500 or cf::cleanup "$path: version mismatch, cannot proceed."; 3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
2501 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
2502 { 3240 {
2503 my $faces = $facedata->{faceinfo}; 3241 my $faces = $facedata->{faceinfo};
2504 3242
2505 while (my ($face, $info) = each %$faces) { 3243 while (my ($face, $info) = each %$faces) {
2506 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510 Coro::cede; 3250
3251 cf::cede_to_tick;
2511 } 3252 }
2512 3253
2513 while (my ($face, $info) = each %$faces) { 3254 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3255 next unless $info->{smooth};
3256
2515 my $idx = cf::face::find $face 3257 my $idx = cf::face::find $face
2516 or next; 3258 or next;
3259
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3263 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3265 }
2522 Coro::cede; 3266
3267 cf::cede_to_tick;
2523 } 3268 }
2524 } 3269 }
2525 3270
2526 { 3271 {
2527 my $anims = $facedata->{animinfo}; 3272 my $anims = $facedata->{animinfo};
2528 3273
2529 while (my ($anim, $info) = each %$anims) { 3274 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3276 cf::cede_to_tick;
2532 } 3277 }
2533 3278
2534 cf::anim::invalidate_all; # d'oh 3279 cf::anim::invalidate_all; # d'oh
2535 } 3280 }
2536 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
2537 1 3317 1
2538} 3318}
2539 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 $status
3356}
3357
2540sub reload_regions { 3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
2541 load_resource_file "$MAPDIR/regions" 3363 load_resource_file "$MAPDIR/regions"
2542 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 $_->{match};
3369 }
2543} 3370}
2544 3371
2545sub reload_facedata { 3372sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3373 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3374 or die "unable to load facedata\n";
2558} 3385}
2559 3386
2560sub reload_resources { 3387sub reload_resources {
2561 warn "reloading resource files...\n"; 3388 warn "reloading resource files...\n";
2562 3389
3390 reload_facedata;
3391 reload_archetypes;
2563 reload_regions; 3392 reload_regions;
2564 reload_facedata;
2565 #reload_archetypes;#d#
2566 reload_archetypes;
2567 reload_treasures; 3393 reload_treasures;
2568 3394
2569 warn "finished reloading resource files\n"; 3395 warn "finished reloading resource files\n";
2570} 3396}
2571 3397
2572sub init { 3398sub init {
3399 my $guard = freeze_mainloop;
3400
2573 reload_resources; 3401 reload_resources;
2574} 3402}
2575 3403
2576sub cfg_load { 3404sub reload_config {
2577 open my $fh, "<:utf8", "$CONFDIR/config" 3405 open my $fh, "<:utf8", "$CONFDIR/config"
2578 or return; 3406 or return;
2579 3407
2580 local $/; 3408 local $/;
2581 *CFG = YAML::Syck::Load <$fh>; 3409 *CFG = YAML::Load <$fh>;
2582 3410
2583 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3411 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2584 3412
2585 $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};
2586 $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};
2597sub main { 3425sub main {
2598 # we must not ever block the main coroutine 3426 # we must not ever block the main coroutine
2599 local $Coro::idle = sub { 3427 local $Coro::idle = sub {
2600 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#
2601 (async { 3429 (async {
2602 Event::one_event; 3430 $Coro::current->{desc} = "IDLE BUG HANDLER";
3431 EV::loop EV::LOOP_ONESHOT;
2603 })->prio (Coro::PRIO_MAX); 3432 })->prio (Coro::PRIO_MAX);
2604 }; 3433 };
2605 3434
2606 cfg_load; 3435 {
3436 my $guard = freeze_mainloop;
3437 reload_config;
2607 db_init; 3438 db_init;
2608 load_extensions; 3439 load_extensions;
2609 3440
2610 $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
2611 Event::loop; 3445 EV::loop;
2612} 3446}
2613 3447
2614############################################################################# 3448#############################################################################
2615# initialisation and cleanup 3449# initialisation and cleanup
2616 3450
2617# install some emergency cleanup handlers 3451# install some emergency cleanup handlers
2618BEGIN { 3452BEGIN {
3453 our %SIGWATCHER = ();
2619 for my $signal (qw(INT HUP TERM)) { 3454 for my $signal (qw(INT HUP TERM)) {
2620 Event->signal ( 3455 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2621 reentrant => 0,
2622 data => WF_AUTOCANCEL,
2623 signal => $signal,
2624 prio => 0,
2625 cb => sub {
2626 cf::cleanup "SIG$signal"; 3456 cf::cleanup "SIG$signal";
2627 },
2628 ); 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
2629 } 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 };
2630} 3540}
2631 3541
2632sub emergency_save() { 3542sub emergency_save() {
2633 my $freeze_guard = cf::freeze_mainloop; 3543 my $freeze_guard = cf::freeze_mainloop;
2634 3544
2640 # and maps saved/destroyed asynchronously. 3550 # and maps saved/destroyed asynchronously.
2641 warn "begin emergency player save\n"; 3551 warn "begin emergency player save\n";
2642 for my $login (keys %cf::PLAYER) { 3552 for my $login (keys %cf::PLAYER) {
2643 my $pl = $cf::PLAYER{$login} or next; 3553 my $pl = $cf::PLAYER{$login} or next;
2644 $pl->valid or next; 3554 $pl->valid or next;
3555 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2645 $pl->save; 3556 $pl->save;
2646 } 3557 }
2647 warn "end emergency player save\n"; 3558 warn "end emergency player save\n";
2648 3559
2649 warn "begin emergency map save\n"; 3560 warn "begin emergency map save\n";
2655 warn "end emergency map save\n"; 3566 warn "end emergency map save\n";
2656 3567
2657 warn "begin emergency database checkpoint\n"; 3568 warn "begin emergency database checkpoint\n";
2658 BDB::db_env_txn_checkpoint $DB_ENV; 3569 BDB::db_env_txn_checkpoint $DB_ENV;
2659 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";
2660 }; 3575 };
2661 3576
2662 warn "leave emergency perl save\n"; 3577 warn "leave emergency perl save\n";
2663} 3578}
2664 3579
2679 warn "reloading..."; 3594 warn "reloading...";
2680 3595
2681 warn "entering sync_job"; 3596 warn "entering sync_job";
2682 3597
2683 cf::sync_job { 3598 cf::sync_job {
2684 cf::write_runtime; # external watchdog should not bark 3599 cf::write_runtime_sync; # external watchdog should not bark
2685 cf::emergency_save; 3600 cf::emergency_save;
2686 cf::write_runtime; # external watchdog should not bark 3601 cf::write_runtime_sync; # external watchdog should not bark
2687 3602
2688 warn "syncing database to disk"; 3603 warn "syncing database to disk";
2689 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2690 3605
2691 # 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
2692
2693 warn "cancelling all WF_AUTOCANCEL watchers";
2694 for (Event::all_watchers) {
2695 $_->cancel if $_->data & WF_AUTOCANCEL;
2696 }
2697 3607
2698 warn "flushing outstanding aio requests"; 3608 warn "flushing outstanding aio requests";
2699 for (;;) { 3609 for (;;) {
2700 BDB::flush; 3610 BDB::flush;
2701 IO::AIO::flush; 3611 IO::AIO::flush;
2702 Coro::cede; 3612 Coro::cede_notself;
2703 last unless IO::AIO::nreqs || BDB::nreqs; 3613 last unless IO::AIO::nreqs || BDB::nreqs;
2704 warn "iterate..."; 3614 warn "iterate...";
2705 } 3615 }
2706 3616
2707 ++$RELOAD; 3617 ++$RELOAD;
2711 %EXT_CORO = (); 3621 %EXT_CORO = ();
2712 3622
2713 warn "removing commands"; 3623 warn "removing commands";
2714 %COMMAND = (); 3624 %COMMAND = ();
2715 3625
2716 warn "removing ext commands"; 3626 warn "removing ext/exti commands";
2717 %EXTCMD = (); 3627 %EXTCMD = ();
3628 %EXTICMD = ();
2718 3629
2719 warn "unloading/nuking all extensions"; 3630 warn "unloading/nuking all extensions";
2720 for my $pkg (@EXTS) { 3631 for my $pkg (@EXTS) {
2721 warn "... unloading $pkg"; 3632 warn "... unloading $pkg";
2722 3633
2765 warn "reloading cf.pm"; 3676 warn "reloading cf.pm";
2766 require cf; 3677 require cf;
2767 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3678 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2768 3679
2769 warn "loading config and database again"; 3680 warn "loading config and database again";
2770 cf::cfg_load; 3681 cf::reload_config;
2771 3682
2772 warn "loading extensions"; 3683 warn "loading extensions";
2773 cf::load_extensions; 3684 cf::load_extensions;
2774 3685
2775 warn "reattaching attachments to objects/players"; 3686 warn "reattaching attachments to objects/players";
2782 warn "leaving sync_job"; 3693 warn "leaving sync_job";
2783 3694
2784 1 3695 1
2785 } or do { 3696 } or do {
2786 warn $@; 3697 warn $@;
2787 warn "error while reloading, exiting."; 3698 cf::cleanup "error while reloading, exiting.";
2788 exit 1;
2789 }; 3699 };
2790 3700
2791 warn "reloaded"; 3701 warn "reloaded";
2792}; 3702};
2793 3703
2795 3705
2796sub reload_perl() { 3706sub reload_perl() {
2797 # doing reload synchronously and two reloads happen back-to-back, 3707 # doing reload synchronously and two reloads happen back-to-back,
2798 # coro crashes during coro_state_free->destroy here. 3708 # coro crashes during coro_state_free->destroy here.
2799 3709
2800 $RELOAD_WATCHER ||= Event->timer ( 3710 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2801 reentrant => 0,
2802 after => 0,
2803 data => WF_AUTOCANCEL,
2804 cb => sub {
2805 do_reload_perl; 3711 do_reload_perl;
2806 undef $RELOAD_WATCHER; 3712 undef $RELOAD_WATCHER;
2807 },
2808 ); 3713 };
2809} 3714}
2810 3715
2811register_command "reload" => sub { 3716register_command "reload" => sub {
2812 my ($who, $arg) = @_; 3717 my ($who, $arg) = @_;
2813 3718
2814 if ($who->flag (FLAG_WIZ)) { 3719 if ($who->flag (FLAG_WIZ)) {
2815 $who->message ("reloading server."); 3720 $who->message ("reloading server.");
3721 async {
3722 $Coro::current->{desc} = "perl_reload";
2816 async { reload_perl }; 3723 reload_perl;
3724 };
2817 } 3725 }
2818}; 3726};
2819 3727
2820unshift @INC, $LIBDIR; 3728unshift @INC, $LIBDIR;
2821 3729
2823 3731
2824our @WAIT_FOR_TICK; 3732our @WAIT_FOR_TICK;
2825our @WAIT_FOR_TICK_BEGIN; 3733our @WAIT_FOR_TICK_BEGIN;
2826 3734
2827sub wait_for_tick { 3735sub wait_for_tick {
2828 return unless $TICK_WATCHER->is_active;
2829 return if $Coro::current == $Coro::main; 3736 return if tick_inhibit || $Coro::current == $Coro::main;
2830 3737
2831 my $signal = new Coro::Signal; 3738 my $signal = new Coro::Signal;
2832 push @WAIT_FOR_TICK, $signal; 3739 push @WAIT_FOR_TICK, $signal;
2833 $signal->wait; 3740 $signal->wait;
2834} 3741}
2835 3742
2836sub wait_for_tick_begin { 3743sub wait_for_tick_begin {
2837 return unless $TICK_WATCHER->is_active;
2838 return if $Coro::current == $Coro::main; 3744 return if tick_inhibit || $Coro::current == $Coro::main;
2839 3745
2840 my $signal = new Coro::Signal; 3746 my $signal = new Coro::Signal;
2841 push @WAIT_FOR_TICK_BEGIN, $signal; 3747 push @WAIT_FOR_TICK_BEGIN, $signal;
2842 $signal->wait; 3748 $signal->wait;
2843} 3749}
2844 3750
2845 my $min = 1e6;#d# 3751sub tick {
2846 my $avg = 10;
2847$TICK_WATCHER = Event->timer (
2848 reentrant => 0,
2849 parked => 1,
2850 prio => 0,
2851 at => $NEXT_TICK || $TICK,
2852 data => WF_AUTOCANCEL,
2853 cb => sub {
2854 if ($Coro::current != $Coro::main) { 3752 if ($Coro::current != $Coro::main) {
2855 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"
2856 unless ++$bug_warning > 10; 3754 unless ++$bug_warning > 10;
2857 return; 3755 return;
2858 } 3756 }
2859 3757
2860 $NOW = $tick_start = Event::time;
2861
2862 cf::server_tick; # one server iteration 3758 cf::server_tick; # one server iteration
2863 3759
2864 0 && sync_job {#d# 3760 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2865 for(1..10) { 3761 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2866 my $t = Event::time; 3762 Coro::async_pool {
2867 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3763 $Coro::current->{desc} = "runtime saver";
2868 or die; 3764 write_runtime_sync
2869 3765 or warn "ERROR: unable to write runtime file: $!";
2870 $map->width (50);
2871 $map->height (50);
2872 $map->alloc;
2873 $map->_load_objects ("/tmp/x.map", 1);
2874 my $t = Event::time - $t;
2875
2876 #next unless $t < 0.0013;#d#
2877 if ($t < $min) {
2878 $min = $t;
2879 }
2880 $avg = $avg * 0.99 + $t * 0.01;
2881 }
2882 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2883 exit 0;
2884 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2885 }; 3766 };
3767 }
2886 3768
2887 $RUNTIME += $TICK;
2888 $NEXT_TICK += $TICK;
2889
2890 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2891 $NEXT_RUNTIME_WRITE = $NOW + 10;
2892 Coro::async_pool {
2893 write_runtime
2894 or warn "ERROR: unable to write runtime file: $!";
2895 };
2896 }
2897
2898# my $AFTER = Event::time;
2899# warn $AFTER - $NOW;#d#
2900
2901 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3769 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2902 $sig->send; 3770 $sig->send;
2903 } 3771 }
2904 while (my $sig = shift @WAIT_FOR_TICK) { 3772 while (my $sig = shift @WAIT_FOR_TICK) {
2905 $sig->send; 3773 $sig->send;
2906 } 3774 }
2907 3775
2908 $NOW = Event::time; 3776 $LOAD = ($NOW - $TICK_START) / $TICK;
2909
2910 # if we are delayed by four ticks or more, skip them all
2911 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2912
2913 $TICK_WATCHER->at ($NEXT_TICK);
2914 $TICK_WATCHER->start;
2915
2916 $LOAD = ($NOW - $tick_start) / $TICK;
2917 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3777 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2918 3778
2919 _post_tick; 3779 if (0) {
2920 3780 if ($NEXT_TICK) {
2921 3781 my $jitter = $TICK_START - $NEXT_TICK;
3782 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783 warn "jitter $JITTER\n";#d#
3784 }
2922 }, 3785 }
2923); 3786}
2924 3787
2925{ 3788{
2926 BDB::max_poll_time $TICK * 0.1; 3789 # configure BDB
2927 $BDB_POLL_WATCHER = Event->io ( 3790
2928 reentrant => 0,
2929 fd => BDB::poll_fileno,
2930 poll => 'r',
2931 prio => 0,
2932 data => WF_AUTOCANCEL,
2933 cb => \&BDB::poll_cb,
2934 );
2935 BDB::min_parallel 8; 3791 BDB::min_parallel 8;
2936 3792 BDB::max_poll_reqs $TICK * 0.1;
2937 BDB::set_sync_prepare { 3793 $AnyEvent::BDB::WATCHER->priority (1);
2938 my $status;
2939 my $current = $Coro::current;
2940 (
2941 sub {
2942 $status = $!;
2943 $current->ready; undef $current;
2944 },
2945 sub {
2946 Coro::schedule while defined $current;
2947 $! = $status;
2948 },
2949 )
2950 };
2951 3794
2952 unless ($DB_ENV) { 3795 unless ($DB_ENV) {
2953 $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);
2954 3801
2955 cf::sync_job { 3802 cf::sync_job {
2956 eval { 3803 eval {
2957 BDB::db_env_open 3804 BDB::db_env_open
2958 $DB_ENV, 3805 $DB_ENV,
2960 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
2961 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3808 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2962 0666; 3809 0666;
2963 3810
2964 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3811 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2965
2966 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2967 $DB_ENV->set_lk_detect;
2968 }; 3812 };
2969 3813
2970 cf::cleanup "db_env_open(db): $@" if $@; 3814 cf::cleanup "db_env_open(db): $@" if $@;
2971 }; 3815 };
2972 } 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 };
2973} 3827}
2974 3828
2975{ 3829{
3830 # configure IO::AIO
3831
2976 IO::AIO::min_parallel 8; 3832 IO::AIO::min_parallel 8;
2977
2978 undef $Coro::AIO::WATCHER;
2979 IO::AIO::max_poll_time $TICK * 0.1; 3833 IO::AIO::max_poll_time $TICK * 0.1;
2980 $AIO_POLL_WATCHER = Event->io ( 3834 $AnyEvent::AIO::WATCHER->priority (1);
2981 reentrant => 0,
2982 data => WF_AUTOCANCEL,
2983 fd => IO::AIO::poll_fileno,
2984 poll => 'r',
2985 prio => 6,
2986 cb => \&IO::AIO::poll_cb,
2987 );
2988} 3835}
2989 3836
2990my $_log_backtrace; 3837my $_log_backtrace;
2991 3838
2992sub _log_backtrace { 3839sub _log_backtrace {
2996 3843
2997 # limit the # of concurrent backtraces 3844 # limit the # of concurrent backtraces
2998 if ($_log_backtrace < 2) { 3845 if ($_log_backtrace < 2) {
2999 ++$_log_backtrace; 3846 ++$_log_backtrace;
3000 async { 3847 async {
3848 $Coro::current->{desc} = "abt $msg";
3849
3001 my @bt = fork_call { 3850 my @bt = fork_call {
3002 @addr = map { sprintf "%x", $_ } @addr; 3851 @addr = map { sprintf "%x", $_ } @addr;
3003 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3852 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3004 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 |"
3005 or die "addr2line: $!"; 3854 or die "addr2line: $!";

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