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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.439 by root, Mon Jul 14 16:42:49 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::AnyEvent;
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 1.6;
23use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
24 48
49use JSON::XS 2.01 ();
25use BDB (); 50use BDB ();
26use Data::Dumper; 51use Data::Dumper;
27use Digest::MD5; 52use Digest::MD5;
28use Fcntl; 53use Fcntl;
29use YAML::Syck (); 54use YAML ();
30use IO::AIO 2.32 (); 55use IO::AIO ();
31use Time::HiRes; 56use Time::HiRes;
32use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
33 61
34# configure various modules to our taste 62# configure various modules to our taste
35# 63#
36$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 67
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 69
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 71
49our %COMMAND = (); 72our %COMMAND = ();
50our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
51 74
52our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
56 80
57our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
58our @EVENT; 82our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 90our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 93our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
71 96
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 99our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
79 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 105our $DB_ENV;
82 106
83our %CFG; 107our %CFG;
84 108
85our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 110our $RUNTIME;
111our $NOW;
87 112
88our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
91 116
92# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 119
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 123our $TICK_START; # for load detecting purposes
98 124
99binmode STDOUT; 125binmode STDOUT;
100binmode STDERR; 126binmode STDERR;
101 127
102# read virtual server time, if available 128# read virtual server time, if available
155 181
156The raw value load value from the last tick. 182The raw value load value from the last tick.
157 183
158=item %cf::CFG 184=item %cf::CFG
159 185
160Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 187from wherever your confdir points to.
162 188
163=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
164 190
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 192returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
169=back 201=back
170 202
171=cut 203=cut
172 204
173BEGIN { 205BEGIN {
177 $msg .= "\n" 209 $msg .= "\n"
178 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
179 211
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 213
182 utf8::encode $msg;
183 LOG llevError, $msg; 214 LOG llevError, $msg;
184 }; 215 };
185} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
186 232
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 240
194# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 242# within the Safe compartment.
196for my $pkg (qw( 243for my $pkg (qw(
197 cf::global cf::attachable 244 cf::global cf::attachable
202)) { 249)) {
203 no strict 'refs'; 250 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 252}
206 253
207$Event::DIED = sub { 254$EV::DIED = sub {
208 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
209}; 256};
257
258#############################################################################
210 259
211=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
212 261
213=over 4 262=over 4
214 263
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 283 $d
235 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
236} 285}
237 286
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
241 288
242Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
243 290
244=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
245 292
246Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
294
295=cut
296
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298
299sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) }
247 301
248=item cf::lock_wait $string 302=item cf::lock_wait $string
249 303
250Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
251 305
254Wait until the given lock is available and then acquires it and returns 308Wait until the given lock is available and then acquires it and returns
255a Coro::guard object. If the guard object gets destroyed (goes out of scope, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
257returned. 311returned.
258 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
259Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
261 318
262=item $locked = cf::lock_active $string 319=item $locked = cf::lock_active $string
263 320
264Return true if the lock is currently active, i.e. somebody has locked it. 321Return true if the lock is currently active, i.e. somebody has locked it.
265 322
266=cut 323=cut
267 324
268our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
269 327
270sub lock_wait($) { 328sub lock_wait($) {
271 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
272 335
273 # wait for lock, if any 336 # wait for lock, if any
274 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 339 Coro::schedule;
282 345
283 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
284 lock_wait $key; 347 lock_wait $key;
285 348
286 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
287 351
288 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
291 } 356 }
292} 357}
293 358
296 361
297 ! ! $LOCK{$key} 362 ! ! $LOCK{$key}
298} 363}
299 364
300sub freeze_mainloop { 365sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
302 367
303 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
304 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
305 }; 429 }
306 $TICK_WATCHER->stop; 430};
307 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
308} 444}
309 445
310=item cf::async { BLOCK } 446=item cf::async { BLOCK }
311 447
312Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
317 453
318BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
319 455
320=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
321 457
322The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
325 462
326If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
329fast or be very important. 466fast or be very important.
332 469
333sub sync_job(&) { 470sub sync_job(&) {
334 my ($job) = @_; 471 my ($job) = @_;
335 472
336 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 474 my $time = EV::time;
338 475
339 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
341 478
342 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 480
344 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
345 482
346 my $busy = 1; 483 my $busy = 1;
347 my @res; 484 my @res;
348 485
349 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 488 @res = eval { $job->() };
351 warn $@ if $@; 489 warn $@ if $@;
352 undef $busy; 490 undef $busy;
353 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
354 492
355 while ($busy) { 493 while ($busy) {
356 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
357 } 498 }
499 }
358 500
359 $time = Event::time - $time; 501 my $time = EV::time - $time;
360 502
361 LOG llevError | logBacktrace, Carp::longmess "long sync job"
362 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364 $tick_start += $time; # do not account sync jobs to server load 503 $TICK_START += $time; # do not account sync jobs to server load
365 504
366 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
367 } else { 506 } else {
368 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
369 508
389 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
390 529
391 $coro 530 $coro
392} 531}
393 532
394sub write_runtime { 533=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 534
397 # first touch the runtime file to show we are still running: 535Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
399 539
400 IO::AIO::aio_utime $runtime, undef, undef; 540=cut
401 541
402 my $guard = cf::lock_acquire "write_runtime"; 542sub fork_call(&@) {
543 my ($cb, @args) = @_;
403 544
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 545 # we seemingly have to make a local copy of the whole thing,
405 or return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
406 548
407 my $value = $cf::RUNTIME + 90 + 10; 549 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 550 reset_signals;
409 # 60 allows for the watchdog to kill the server. 551 &$cb
552 }, @args;
410 553
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 554 wantarray ? @res : $res[-1]
412 and return; 555}
413 556
414 # always fsync - this file is important 557=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 558
418 # touch it again to show we are up-to-date 559=cut
419 aio_utime $fh, undef, undef;
420 560
421 close $fh 561our %coin_alias = (
422 or return; 562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
423 577
424 aio_rename "$runtime~", $runtime 578sub coin_from_name($) {
425 and return; 579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
426 583
427 warn "runtime file written.\n";#d# 584=item $value = cf::db_get $family => $key
428 585
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($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
429 1 633 }
634}
635
636sub db_put($$$) {
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"
430} 709}
431 710
432=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
433 712
434Log 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.
452attach callbacks/event handlers (a collection of which is called an "attachment") 731attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
454 733
455In 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>
456C<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
457crossfire+). 736Deliantra).
458 737
459=over 4 738=over 4
460 739
461=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
462 741
664 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
665 } 944 }
666 945
667 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
668 } else { 947 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 949 }
671 950
672 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
673} 952}
674 953
714 "; 993 ";
715 die if $@; 994 die if $@;
716} 995}
717 996
718our $override; 997our $override;
719our @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?
720 999
721sub override { 1000sub override {
722 $override = 1; 1001 $override = 1;
723 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
724} 1003}
725 1004
726sub do_invoke { 1005sub do_invoke {
727 my $event = shift; 1006 my $event = shift;
728 my $callbacks = shift; 1007 my $callbacks = shift;
729 1008
730 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
731 1010
732 local $override; 1011 local $override;
733 1012
734 for (@$callbacks) { 1013 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
744 } 1023 }
745 1024
746 0 1025 0
747} 1026}
748 1027
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1029
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1031
753Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
754 1033
755This 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
756removed 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
757results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1037
759=back 1038=back
760 1039
761=cut 1040=cut
762 1041
763############################################################################# 1042#############################################################################
764# 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, $ob2
1085}
765 1086
766sub reattach { 1087sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1089 my ($obj) = @_;
769 1090
790cf::attachable->attach ( 1111cf::attachable->attach (
791 prio => -1000000, 1112 prio => -1000000,
792 on_instantiate => sub { 1113 on_instantiate => sub {
793 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
794 1115
795 $data = from_json $data; 1116 $data = decode_json $data;
796 1117
797 for (@$data) { 1118 for (@$data) {
798 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
799 1120
800 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1137sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
818 1139
819 sync_job { 1140 sync_job {
820 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
823 1145
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1150 aio_close $fh;
829 1151
830 if (@$objs) { 1152 if (@$objs) {
831 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) {
832 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1158 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
838 } 1160 }
839 } else { 1161 } else {
840 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
841 } 1163 }
846 } 1168 }
847 } else { 1169 } else {
848 aio_unlink $filename; 1170 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
850 } 1172 }
851 } 1173 };
852} 1174}
853 1175
854sub object_freezer_as_string { 1176sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
856 1178
868 or return; 1190 or return;
869 1191
870 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
872 or return; 1194 or return;
1195
873 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
874 } 1198 }
875 1199
1200 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
878 return ($data, $av); 1204 ($data, $av)
879} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
880 1212
881############################################################################# 1213#############################################################################
882# command handling &c 1214# command handling &c
883 1215
884=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1230}
899 1231
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1233
902Register 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.
903 1239
904If 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
905called. 1241called.
906 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
907=cut 1254=cut
908 1255
909sub register_extcmd { 1256sub register_extcmd {
910 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
911 1258
912 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
913} 1266}
914 1267
915cf::player->attach ( 1268cf::player->attach (
916 on_command => sub { 1269 on_command => sub {
917 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
926 cf::override; 1279 cf::override;
927 }, 1280 },
928 on_extcmd => sub { 1281 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
930 1283
931 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1285
933 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
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
939 } else { 1301 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1303 }
942 1304
943 cf::override; 1305 cf::override;
944 }, 1306 },
945); 1307);
946 1308
947sub load_extension {
948 my ($path) = @_;
949
950 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
951 my $base = $1;
952 my $pkg = $1;
953 $pkg =~ s/[^[:word:]]/_/g;
954 $pkg = "ext::$pkg";
955
956 warn "... loading '$path' into '$pkg'\n";
957
958 open my $fh, "<:utf8", $path
959 or die "$path: $!";
960
961 my $source =
962 "package $pkg; use strict; use utf8;\n"
963 . "#line 1 \"$path\"\n{\n"
964 . (do { local $/; <$fh> })
965 . "\n};\n1";
966
967 unless (eval $source) {
968 my $msg = $@ ? "$path: $@\n"
969 : "extension disabled.\n";
970 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971 warn $@;
972 warn "mandatory extension failed to load, exiting.\n";
973 exit 1;
974 }
975 die $@;
976 }
977
978 push @EXTS, $pkg;
979}
980
981sub load_extensions { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
982 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1314 next unless -r $path;
984 eval { 1315
985 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 $progress = 1;
986 1 1372 }
987 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
988 } 1378 };
989} 1379}
990 1380
991############################################################################# 1381#############################################################################
992 1382
1383=back
1384
993=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
994 1386
995Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
996 1388
997=cut 1389=cut
1001use Coro::AIO; 1393use Coro::AIO;
1002 1394
1003=head3 cf::player 1395=head3 cf::player
1004 1396
1005=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}
1006 1412
1007=item cf::player::find $login 1413=item cf::player::find $login
1008 1414
1009Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
1010 1416
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1456
1051 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
1052 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;
1053 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
1054 } 1466 }
1055 } 1467 }
1056} 1468}
1057 1469
1066 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1067 1479
1068 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1070 1482
1483 cf::get_slot 0.01;
1484
1071 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1072 Coro::cede; 1486 cf::cede_to_tick;
1073} 1487}
1074 1488
1075sub new($) { 1489sub new($) {
1076 my ($login) = @_; 1490 my ($login) = @_;
1077 1491
1083 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1084 1498
1085 $self 1499 $self
1086} 1500}
1087 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
1088=item $pl->quit_character 1512=item $pl->quit_character
1089 1513
1090Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1092 1516
1100 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1101 $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
1102 1526
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1107 1533
1108 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1145 or return []; 1571 or return [];
1146 1572
1147 my @logins; 1573 my @logins;
1148 1574
1149 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") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1153 1585
1154 utf8::decode $login; 1586 utf8::decode $login;
1155 push @logins, $login; 1587 push @logins, $login;
1156 } 1588 }
1157 1589
1184 } 1616 }
1185 1617
1186 \@paths 1618 \@paths
1187} 1619}
1188 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
1189=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1190 1715
1191Sends an ext reply to the player. 1716Sends an ext reply to the player.
1192 1717
1193=cut 1718=cut
1194 1719
1195sub ext_reply($$%) { 1720sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1197 1722
1198 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1724}
1202 1725
1203=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1204 1727
1205Sends an ext event to the client. 1728Sends an ext event to the client.
1206 1729
1207=cut 1730=cut
1208 1731
1209sub ext_event($$%) { 1732sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1211 1734
1212 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1213} 1736}
1214 1737
1215=head3 cf::region 1738=head3 cf::region
1216 1739
1217=over 4 1740=over 4
1220 1743
1221package cf::region; 1744package cf::region;
1222 1745
1223=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1224 1747
1225Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1226 1749
1227=cut 1750=cut
1228 1751
1229sub find_by_path($) { 1752sub find_by_path($) {
1230 my ($path) = @_; 1753 my ($path) = @_;
1231 1754
1232 my ($match, $specificity); 1755 my ($match, $specificity);
1233 1756
1234 for my $region (list) { 1757 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1238 } 1761 }
1239 } 1762 }
1240 1763
1261our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1263 1786
1264sub generate_random_map { 1787sub generate_random_map {
1265 my ($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
1266 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1793 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1305 1831
1306 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1307 local $self->{path}; 1833 local $self->{path};
1308 local $self->{load_path}; 1834 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1835
1312 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1313} 1837}
1314 1838
1315sub normalise { 1839sub normalise {
1362 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1363 return $self; 1887 return $self;
1364 } 1888 }
1365 } 1889 }
1366 1890
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1892 ()
1369} 1893}
1370 1894
1371sub init { 1895sub init {
1372 my ($self) = @_; 1896 my ($self) = @_;
1394 1918
1395# the temporary/swap location 1919# the temporary/swap location
1396sub save_path { 1920sub save_path {
1397 my ($self) = @_; 1921 my ($self) = @_;
1398 1922
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1924 "$TMPDIR/$path.map"
1401} 1925}
1402 1926
1403# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1404sub uniq_path { 1928sub uniq_path {
1405 my ($self) = @_; 1929 my ($self) = @_;
1406 1930
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1932 "$UNIQUEDIR/$path"
1409} 1933}
1410 1934
1411# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1412# all maps in C++... 1936# all maps in C++...
1415 1939
1416 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1418} 1942}
1419 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1420sub unlink_save { 1952sub unlink_save {
1421 my ($self) = @_; 1953 my ($self) = @_;
1422 1954
1423 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1959
1428sub load_header_from($) { 1960sub load_header_from($) {
1429 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1430 1962
1431 utf8::encode $path; 1963 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 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;
1437 1972
1438 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1439 1974
1440 1 1975 1
1441} 1976}
1480 $self->load_header_orig 2015 $self->load_header_orig
1481 or return; 2016 or return;
1482 $self->prepare_orig; 2017 $self->prepare_orig;
1483 } 2018 }
1484 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2024 unless $self->default_region;
1487 2025
1488 1 2026 1
1489} 2027}
1492sub find { 2030sub find {
1493 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1494 2032
1495 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1496 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1498 2037
1499 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1501 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1502 or return; 2043 or return;
1503 2044
1504 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1505 2046
1506 $map->load_header 2047 $map->load_header
1507 or return; 2048 or return;
1508 2049
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1512 $map->reset; 2055 $map->reset;
1513 undef $guard;
1514 return find $path; 2056 return find $path;
1515 } 2057 }
1516 2058
1517 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1518 } 2060 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1528 2070
1529 my $path = $self->{path}; 2071 my $path = $self->{path};
1530 2072
1531 { 2073 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1533 2075
2076 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2078
1536 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1537 2080
1538 $self->alloc; 2081 $self->alloc;
1539 2082
1540 $self->pre_load; 2083 $self->pre_load;
1541 Coro::cede; 2084 cf::cede_to_tick;
1542 2085
2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2088 $self->_load_objects ($f)
1544 or return; 2089 or return;
1545 2090
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->post_load_original
1547 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1548 2093
1549 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2095 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2098 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1554 } 2102 }
1555 } 2103 }
1556 2104
1557 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1558 # now do the right thing for maps 2108 # now do the right thing for maps
1559 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2110 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2111 unless $self->difficulty;
1562 Coro::cede; 2112 cf::cede_to_tick;
1563 2113
1564 unless ($self->{deny_activate}) { 2114 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2115 $self->decay_objects;
1566 $self->fix_auto_apply; 2116 $self->fix_auto_apply;
1567 $self->update_buttons; 2117 $self->update_buttons;
1568 Coro::cede; 2118 cf::cede_to_tick;
1569 $self->set_darkness_map; 2119 $self->set_darkness_map;
1570 Coro::cede; 2120 cf::cede_to_tick;
1571 $self->activate; 2121 $self->activate;
1572 } 2122 }
1573 2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2127 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2128 }
1576 2129
1577 $self->post_load; 2130 $self->post_load;
1578} 2131}
1579 2132
1581 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1582 2135
1583 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2137 if $self->per_player;
1585 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1586 $self 2142 $self
1587} 2143}
1588 2144
1589# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2146sub load_neighbours {
1591 my ($map) = @_; 2147 my ($map) = @_;
1592 2148
1593 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1594 2150
1595 for (0 .. 3) { 2151 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1597 or next; 2153 or next;
1598 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1599 or next; 2155 or next;
1600 $neigh->load; 2156 $neigh->load;
1601 2157
2158 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2161 }
1605 2162
1606 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1608 or next; 2166 or next;
1609 $neigh->load; 2167 $neigh->load;
1610 } 2168 }
1611} 2169}
1612 2170
1617} 2175}
1618 2176
1619sub do_load_sync { 2177sub do_load_sync {
1620 my ($map) = @_; 2178 my ($map) = @_;
1621 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1622 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1623} 2184}
1624 2185
1625our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1627 2188
1628sub find_async { 2189sub find_async {
1629 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1630 2191
1631 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1632 2193
1633 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2196 }
1636 2197
1637 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1638 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1639 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2205 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2206 $map->load if $v;
2207 }
1644 2208
1645 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1646 } 2210 }
1647 } 2211 }
1648 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1649 }; 2213 };
1650 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1653} 2217}
1654 2218
1655sub save { 2219sub save {
1656 my ($self) = @_; 2220 my ($self) = @_;
1657 2221
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2223
1660 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1661 2225
1662 return unless $self->dirty; 2226 return unless $self->dirty;
1663 2227
1669 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1670 2234
1671 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1672 2236
1673 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1675 }; 2240 };
2241
2242 cf::get_slot 0.02;
1676 2243
1677 if ($uniq) { 2244 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2247 } else {
1686 my ($self) = @_; 2253 my ($self) = @_;
1687 2254
1688 # save first because save cedes 2255 # save first because save cedes
1689 $self->save; 2256 $self->save;
1690 2257
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2259
1693 return if $self->players; 2260 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1696 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2268 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2269}
1700 2270
1701sub reset_at { 2271sub reset_at {
1702 my ($self) = @_; 2272 my ($self) = @_;
1703 2273
1704 # TODO: safety, remove and allow resettable per-player maps 2274 # TODO: safety, remove and allow resettable per-player maps
1705 return 1e99 if $self->isa ("ext::map_per_player");#d#
1706 return 1e99 if $self->{deny_reset}; 2275 return 1e99 if $self->{deny_reset};
1707 2276
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2279
1721 my ($self) = @_; 2290 my ($self) = @_;
1722 2291
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2293
1725 return if $self->players; 2294 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2295
1728 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1729 2297
1730 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1731 2299
1732 # need to save uniques path 2300 # need to save uniques path
1733 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1737 if $uniq; 2305 if $uniq;
1738 } 2306 }
1739 2307
1740 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1741 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2312 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2313
1746 $self->unlink_save; 2314 $self->unlink_save;
1747 $self->destroy; 2315 $self->destroy;
1748} 2316}
1749 2317
1750my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1751 2319
1752sub nuke { 2320sub nuke {
1753 my ($self) = @_; 2321 my ($self) = @_;
1754 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1755 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1756 2327
1757 $self->unlink_save; 2328 $self->unlink_save;
1758 2329
1759 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2335
1765 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1766 2338
1767 $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 ]
1768} 2376}
1769 2377
1770=item cf::map::unique_maps 2378=item cf::map::unique_maps
1771 2379
1772Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2381instantiated unique items. May block.
1774 2382
1775=cut 2383=cut
1776 2384
1777sub unique_maps() { 2385sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2386 [
1779 or return; 2387 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2388 utf8::decode $_;
1785 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2391 ? ()
1788 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2394 ]
1790
1791 \@paths
1792} 2395}
1793
1794package cf;
1795 2396
1796=back 2397=back
1797 2398
1798=head3 cf::object 2399=head3 cf::object
1799 2400
1803 2404
1804=over 4 2405=over 4
1805 2406
1806=item $ob->inv_recursive 2407=item $ob->inv_recursive
1807 2408
1808Returns 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.
1809 2411
1810=cut 2412=cut
1811 2413
1812sub inv_recursive_; 2414sub inv_recursive_;
1813sub inv_recursive_ { 2415sub inv_recursive_ {
1816 2418
1817sub inv_recursive { 2419sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1819} 2421}
1820 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
1821package cf; 2451package cf;
1822 2452
1823=back 2453=back
1824 2454
1825=head3 cf::object::player 2455=head3 cf::object::player
1831Sends 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>
1832can 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
1833dialogue with the given NPC character. 2463dialogue with the given NPC character.
1834 2464
1835=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};
1836 2480
1837# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2482# with dialog boxes.
1839#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
1840sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1842 2486
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2488
1845 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1847 } 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 {
1848 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1850 } 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 (@_);
1851} 2514}
1852 2515
1853=item $player_object->may ("access") 2516=item $player_object->may ("access")
1854 2517
1855Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1937 2600
1938 $map->load; 2601 $map->load;
1939 $map->load_diag; 2602 $map->load_neighbours;
1940 2603
1941 return unless $self->contr->active; 2604 return unless $self->contr->active;
1942 $self->activate_recursive; 2605 $self->activate_recursive;
1943 2606
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1946} 2609}
1947 2610
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2612
1950Moves 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
1951her, loading and preparing them map, calling the provided $check callback 2614her, loading and preparing them map, calling the provided $check callback
1952that 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
1953the 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.
2618
2619Note that $check will be called with a potentially non-loaded map, so if
2620it needs a loaded map it has to call C<< ->load >>.
1954 2621
1955=cut 2622=cut
1956 2623
1957our $GOTOGEN; 2624our $GOTOGEN;
1958 2625
1959sub cf::object::player::goto { 2626sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2627 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2628
1962 # do generation counting so two concurrent goto's will be executed in-order 2629 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2630 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2631
1965 $self->enter_link; 2632 $self->enter_link;
1966 2633
1967 (async { 2634 (async {
2635 $Coro::current->{desc} = "player::goto $path $x $y";
2636
2637 # *tag paths override both path and x|y
2638 if ($path =~ /^\*(.*)$/) {
2639 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2640 my $ob = $obs[rand @obs];
2641
2642 # see if we actually can go there
2643 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2644 $ob = $obs[rand @obs];
2645 } else {
2646 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2647 }
2648 # else put us there anyways for now #d#
2649
2650 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2651 } else {
2652 ($path, $x, $y) = (undef, undef, undef);
2653 }
2654 }
2655
1968 my $map = eval { 2656 my $map = eval {
1969 my $map = cf::map::find $path; 2657 my $map = defined $path ? cf::map::find $path : undef;
1970 2658
1971 if ($map) { 2659 if ($map) {
1972 $map = $map->customise_for ($self); 2660 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2661 $map = $check->($map) if $check && $map;
1974 } else { 2662 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2663 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2664 }
1977 2665
1978 $map 2666 $map
1979 }; 2667 };
1980 2668
1985 2673
1986 if ($gen == $self->{_goto_generation}) { 2674 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2675 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2676 $self->leave_link ($map, $x, $y);
1989 } 2677 }
2678
2679 $done->() if $done;
1990 })->prio (1); 2680 })->prio (1);
1991} 2681}
1992 2682
1993=item $player_object->enter_exit ($exit_object) 2683=item $player_object->enter_exit ($exit_object)
1994 2684
2014} 2704}
2015 2705
2016sub prepare_random_map { 2706sub prepare_random_map {
2017 my ($exit) = @_; 2707 my ($exit) = @_;
2018 2708
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2709 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2710 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2711 # that depends on the exit object
2024 2712
2025 my $rmp = parse_random_map_params $exit->msg; 2713 my $rmp = parse_random_map_params $exit->msg;
2027 if ($exit->map) { 2715 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2716 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2717 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2718 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2719 $rmp->{origin_y} = $exit->y;
2720
2721 $exit->map->touch;
2032 } 2722 }
2033 2723
2034 $rmp->{random_seed} ||= $exit->random_seed; 2724 $rmp->{random_seed} ||= $exit->random_seed;
2035 2725
2036 my $data = cf::to_json $rmp; 2726 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2727 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2728 my $meta = "$RANDOMDIR/$md5.meta";
2039 2729
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2730 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2731 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2732 undef $fh;
2043 aio_rename "$meta~", $meta; 2733 aio_rename "$meta~", $meta;
2044 2734
2735 my $slaying = "?random/$md5";
2736
2737 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2738 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2739 $exit->msg (undef);
2740 }
2047 } 2741 }
2048} 2742}
2049 2743
2050sub cf::object::player::enter_exit { 2744sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2745 my ($self, $exit) = @_;
2052 2746
2053 return unless $self->type == cf::PLAYER; 2747 return unless $self->type == cf::PLAYER;
2054 2748
2055 if ($exit->slaying eq "/!") {
2056 #TODO: this should de-fi-ni-te-ly not be a sync-job
2057 # the problem is that $exit might not survive long enough
2058 # so it needs to be done right now, right here
2059 cf::sync_job { prepare_random_map $exit };
2060 }
2061
2062 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063 my $hp = $exit->stats->hp;
2064 my $sp = $exit->stats->sp;
2065
2066 $self->enter_link; 2749 $self->enter_link;
2067 2750
2068 (async { 2751 (async {
2069 $self->deactivate_recursive; # just to be sure 2752 $Coro::current->{desc} = "enter_exit";
2753
2070 unless (eval { 2754 unless (eval {
2755 $self->deactivate_recursive; # just to be sure
2756
2757 # random map handling
2758 {
2759 my $guard = cf::lock_acquire "exit_prepare:$exit";
2760
2761 prepare_random_map $exit
2762 if $exit->slaying eq "/!";
2763 }
2764
2765 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2766 my $x = $exit->stats->hp;
2767 my $y = $exit->stats->sp;
2768
2071 $self->goto ($slaying, $hp, $sp); 2769 $self->goto ($map, $x, $y);
2072 2770
2771 # if exit is damned, update players death & WoR home-position
2772 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED);
2774
2073 1; 2775 1
2074 }) { 2776 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2777 $self->message ("Something went wrong deep within the crossfire server. "
2076 . "I'll try to bring you back to the map you were before. " 2778 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2779 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2780 cf::NDI_UNIQUE | cf::NDI_RED);
2099 2801
2100 utf8::encode $text; 2802 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2803 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2804}
2103 2805
2806=item $client->send_msg ($channel, $msg, $color, [extra...])
2807
2808Send a drawinfo or msg packet to the client, formatting the msg for the
2809client if neccessary. C<$type> should be a string identifying the type of
2810the message, with C<log> being the default. If C<$color> is negative, suppress
2811the message unless the client supports the msg packet.
2812
2813=cut
2814
2815# non-persistent channels (usually the info channel)
2816our %CHANNEL = (
2817 "c/identify" => {
2818 id => "infobox",
2819 title => "Identify",
2820 reply => undef,
2821 tooltip => "Items recently identified",
2822 },
2823 "c/examine" => {
2824 id => "infobox",
2825 title => "Examine",
2826 reply => undef,
2827 tooltip => "Signs and other items you examined",
2828 },
2829 "c/book" => {
2830 id => "infobox",
2831 title => "Book",
2832 reply => undef,
2833 tooltip => "The contents of a note or book",
2834 },
2835 "c/lookat" => {
2836 id => "infobox",
2837 title => "Look",
2838 reply => undef,
2839 tooltip => "What you saw there",
2840 },
2841 "c/who" => {
2842 id => "infobox",
2843 title => "Players",
2844 reply => undef,
2845 tooltip => "Shows players who are currently online",
2846 },
2847 "c/body" => {
2848 id => "infobox",
2849 title => "Body Parts",
2850 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available",
2852 },
2853 "c/uptime" => {
2854 id => "infobox",
2855 title => "Uptime",
2856 reply => undef,
2857 tooltip => "How long the server has been running since last restart",
2858 },
2859 "c/mapinfo" => {
2860 id => "infobox",
2861 title => "Map Info",
2862 reply => undef,
2863 tooltip => "Information related to the maps",
2864 },
2865 "c/party" => {
2866 id => "party",
2867 title => "Party",
2868 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party",
2870 },
2871);
2872
2873sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_;
2875
2876 $msg = $self->pl->expand_cfpod ($msg);
2877
2878 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879
2880 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel};
2883
2884 $self->ext_msg (channel_info => $channel)
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id};
2888
2889 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel)
2894 if $self->can_msg;
2895 }
2896
2897 $channel = $channel->{id};
2898 }
2899
2900 return unless @extra || length $msg;
2901
2902 if ($self->can_msg) {
2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF;
2906
2907 $self->send_packet ("msg " . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2909 } else {
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920
2921 $color &= cf::NDI_COLOR_MASK;
2922
2923 utf8::encode $msg;
2924
2925 if (0 && $msg =~ /\[/) {
2926 # COMMAND/INFO
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 }
2934}
2935
2104=item $client->ext_event ($type, %msg) 2936=item $client->ext_msg ($type, @msg)
2105 2937
2106Sends an exti event to the client. 2938Sends an ext event to the client.
2107 2939
2108=cut 2940=cut
2109 2941
2110sub cf::client::ext_event($$%) { 2942sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2943 my ($self, $type, @msg) = @_;
2112 2944
2945 if ($self->extcmd == 2) {
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2948 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2951}
2952
2953=item $client->ext_reply ($msgid, @msg)
2954
2955Sends an ext reply to the client.
2956
2957=cut
2958
2959sub cf::client::ext_reply($$@) {
2960 my ($self, $id, @msg) = @_;
2961
2962 if ($self->extcmd == 2) {
2963 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964 } elsif ($self->extcmd == 1) {
2965 #TODO: version 1, remove
2966 unshift @msg, msgtype => "reply", msgid => $id;
2967 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968 }
2115} 2969}
2116 2970
2117=item $success = $client->query ($flags, "text", \&cb) 2971=item $success = $client->query ($flags, "text", \&cb)
2118 2972
2119Queues a query to the client, calling the given callback with 2973Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2974the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2121C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2975C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2976
2123Queries can fail, so check the return code. Or don't, as queries will become 2977Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2978become reliable at some point in the future.
2125 2979
2126=cut 2980=cut
2127 2981
2128sub cf::client::query { 2982sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2983 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2991 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2992 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2993
2140 $self->send_packet ($self->{query_queue}[0][0]) 2994 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2995 if @{ $self->{query_queue} } == 1;
2996
2997 1
2142} 2998}
2143 2999
2144cf::client->attach ( 3000cf::client->attach (
3001 on_connect => sub {
3002 my ($ns) = @_;
3003
3004 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3005 },
2145 on_reply => sub { 3006 on_reply => sub {
2146 my ($ns, $msg) = @_; 3007 my ($ns, $msg) = @_;
2147 3008
2148 # this weird shuffling is so that direct followup queries 3009 # this weird shuffling is so that direct followup queries
2149 # get handled first 3010 # get handled first
2161 } else { 3022 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3023 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3024 }
2164 } 3025 }
2165 }, 3026 },
3027 on_exticmd => sub {
3028 my ($ns, $buf) = @_;
3029
3030 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3031
3032 if (ref $msg) {
3033 my ($type, $reply, @payload) =
3034 "ARRAY" eq ref $msg
3035 ? @$msg
3036 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3037
3038 my @reply;
3039
3040 if (my $cb = $EXTICMD{$type}) {
3041 @reply = $cb->($ns, @payload);
3042 }
3043
3044 $ns->ext_reply ($reply, @reply)
3045 if $reply;
3046
3047 } else {
3048 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3049 }
3050
3051 cf::override;
3052 },
2166); 3053);
2167 3054
2168=item $client->async (\&cb) 3055=item $client->async (\&cb)
2169 3056
2170Create a new coroutine, running the specified callback. The coroutine will 3057Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3098our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3099our $safe_hole = new Safe::Hole;
2213 3100
2214$SIG{FPE} = 'IGNORE'; 3101$SIG{FPE} = 'IGNORE';
2215 3102
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3103$safe->permit_only (Opcode::opset qw(
3104 :base_core :base_mem :base_orig :base_math
3105 grepstart grepwhile mapstart mapwhile
3106 sort time
3107));
2217 3108
2218# here we export the classes and methods available to script code 3109# here we export the classes and methods available to script code
2219 3110
2220=pod 3111=pod
2221 3112
2222The following functions and methods are available within a safe environment: 3113The following functions and methods are available within a safe environment:
2223 3114
2224 cf::object contr pay_amount pay_player map 3115 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split
3118
2225 cf::object::player player 3119 cf::object::player
2226 cf::player peaceful 3120 player
2227 cf::map trigger 3121
3122 cf::player
3123 peaceful
3124
3125 cf::map
3126 trigger
2228 3127
2229=cut 3128=cut
2230 3129
2231for ( 3130for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132 insert remove inv nrof name archname title slaying race
3133 decrease split destroy change_exp)],
2233 ["cf::object::player" => qw(player)], 3134 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3135 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3136 ["cf::map" => qw(trigger)],
2236) { 3137) {
2237 no strict 'refs'; 3138 no strict 'refs';
2308=back 3209=back
2309 3210
2310=cut 3211=cut
2311 3212
2312############################################################################# 3213#############################################################################
2313
2314=head2 EXTENSION DATABASE SUPPORT
2315
2316Crossfire maintains a very simple database for extension use. It can
2317currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318convert to/from binary).
2319
2320The parameter C<$family> should best start with the name of the extension
2321using it, it should be unique.
2322
2323=over 4
2324
2325=item $value = cf::db_get $family => $key
2326
2327Returns a single value from the database.
2328
2329=item cf::db_put $family => $key => $value
2330
2331Stores the given C<$value> in the family.
2332
2333=cut
2334
2335our $DB;
2336
2337sub db_init {
2338 unless ($DB) {
2339 $DB = BDB::db_create $DB_ENV;
2340
2341 cf::sync_job {
2342 eval {
2343 $DB->set_flags (BDB::CHKSUM);
2344
2345 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347 cf::cleanup "db_open(db): $!" if $!;
2348 };
2349 cf::cleanup "db_open(db): $@" if $@;
2350 };
2351 }
2352}
2353
2354sub db_get($$) {
2355 my $key = "$_[0]/$_[1]";
2356
2357 cf::sync_job {
2358 BDB::db_get $DB, undef, $key, my $data;
2359
2360 $! ? ()
2361 : $data
2362 }
2363}
2364
2365sub db_put($$$) {
2366 BDB::dbreq_pri 4;
2367 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368}
2369
2370=item cf::cache $id => [$paths...], $processversion => $process
2371
2372Generic caching function that returns the value of the resource $id,
2373caching and regenerating as required.
2374
2375This function can block.
2376
2377=cut
2378
2379sub cache {
2380 my ($id, $src, $processversion, $process) = @_;
2381
2382 my $meta =
2383 join "\x00",
2384 $processversion,
2385 map {
2386 aio_stat $_
2387 and Carp::croak "$_: $!";
2388
2389 ($_, (stat _)[7,9])
2390 } @$src;
2391
2392 my $dbmeta = db_get cache => "$id/meta";
2393 if ($dbmeta ne $meta) {
2394 # changed, we may need to process
2395
2396 my @data;
2397 my $md5;
2398
2399 for (0 .. $#$src) {
2400 0 <= aio_load $src->[$_], $data[$_]
2401 or Carp::croak "$src->[$_]: $!";
2402 }
2403
2404 # if processing is expensive, check
2405 # checksum first
2406 if (1) {
2407 $md5 =
2408 join "\x00",
2409 $processversion,
2410 map {
2411 Coro::cede;
2412 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2413 } 0.. $#$src;
2414
2415
2416 my $dbmd5 = db_get cache => "$id/md5";
2417 if ($dbmd5 eq $md5) {
2418 db_put cache => "$id/meta", $meta;
2419
2420 return db_get cache => "$id/data";
2421 }
2422 }
2423
2424 my $t1 = Time::HiRes::time;
2425 my $data = $process->(\@data);
2426 my $t2 = Time::HiRes::time;
2427
2428 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430 db_put cache => "$id/data", $data;
2431 db_put cache => "$id/md5" , $md5;
2432 db_put cache => "$id/meta", $meta;
2433
2434 return $data;
2435 }
2436
2437 db_get cache => "$id/data"
2438}
2439
2440=item fork_call { }, $args
2441
2442Executes the given code block with the given arguments in a seperate
2443process, returning the results. Everything must be serialisable with
2444Coro::Storable. May, of course, block. Note that the executed sub may
2445never block itself or use any form of Event handling.
2446
2447=cut
2448
2449sub fork_call(&@) {
2450 my ($cb, @args) = @_;
2451
2452# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453# or die "socketpair: $!";
2454 pipe my $fh1, my $fh2
2455 or die "pipe: $!";
2456
2457 if (my $pid = fork) {
2458 close $fh2;
2459
2460 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461 $res = Coro::Storable::thaw $res;
2462
2463 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465 die $$res unless "ARRAY" eq ref $res;
2466
2467 return wantarray ? @$res : $res->[-1];
2468 } else {
2469 reset_signals;
2470 local $SIG{__WARN__};
2471 local $SIG{__DIE__};
2472 eval {
2473 close $fh1;
2474
2475 my @res = eval { $cb->(@args) };
2476 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477 };
2478
2479 warn $@ if $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3214# the server's init and main functions
2486 3215
2487sub load_facedata($) { 3216sub load_facedata($) {
2488 my ($path) = @_; 3217 my ($path) = @_;
3218
3219 # HACK to clear player env face cache, we need some signal framework
3220 # for this (global event?)
3221 %ext::player_env::MUSIC_FACE_CACHE = ();
3222
3223 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3224
2490 warn "loading facedata from $path\n"; 3225 warn "loading facedata from $path\n";
2491 3226
2492 my $facedata; 3227 my $facedata;
2493 0 < aio_load $path, $facedata 3228 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3231 $facedata = Coro::Storable::thaw $facedata;
2497 3232
2498 $facedata->{version} == 2 3233 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3234 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3235
3236 # patch in the exptable
3237 $facedata->{resource}{"res/exp_table"} = {
3238 type => FT_RSRC,
3239 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3240 };
3241 cf::cede_to_tick;
3242
2501 { 3243 {
2502 my $faces = $facedata->{faceinfo}; 3244 my $faces = $facedata->{faceinfo};
2503 3245
2504 while (my ($face, $info) = each %$faces) { 3246 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3247 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3249 cf::face::set_visibility $idx, $info->{visibility};
3250 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3251 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3252 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3253
3254 cf::cede_to_tick;
2510 } 3255 }
2511 3256
2512 while (my ($face, $info) = each %$faces) { 3257 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3258 next unless $info->{smooth};
3259
2514 my $idx = cf::face::find $face 3260 my $idx = cf::face::find $face
2515 or next; 3261 or next;
3262
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3263 if (my $smooth = cf::face::find $info->{smooth}) {
3264 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3265 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3266 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3267 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3268 }
2521 Coro::cede; 3269
3270 cf::cede_to_tick;
2522 } 3271 }
2523 } 3272 }
2524 3273
2525 { 3274 {
2526 my $anims = $facedata->{animinfo}; 3275 my $anims = $facedata->{animinfo};
2527 3276
2528 while (my ($anim, $info) = each %$anims) { 3277 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3278 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3279 cf::cede_to_tick;
2531 } 3280 }
2532 3281
2533 cf::anim::invalidate_all; # d'oh 3282 cf::anim::invalidate_all; # d'oh
2534 } 3283 }
2535 3284
3285 {
3286 # TODO: for gcfclient pleasure, we should give resources
3287 # that gcfclient doesn't grok a >10000 face index.
3288 my $res = $facedata->{resource};
3289
3290 while (my ($name, $info) = each %$res) {
3291 if (defined $info->{type}) {
3292 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293 my $data;
3294
3295 if ($info->{type} & 1) {
3296 # prepend meta info
3297
3298 my $meta = $enc->encode ({
3299 name => $name,
3300 %{ $info->{meta} || {} },
3301 });
3302
3303 $data = pack "(w/a*)*", $meta, $info->{data};
3304 } else {
3305 $data = $info->{data};
3306 }
3307
3308 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309 cf::face::set_type $idx, $info->{type};
3310 } else {
3311 $RESOURCE{$name} = $info;
3312 }
3313
3314 cf::cede_to_tick;
3315 }
3316 }
3317
3318 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3319
2536 1 3320 1
2537} 3321}
2538 3322
3323cf::global->attach (on_resource_update => sub {
3324 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3325 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3326
3327 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3328 my $sound = $soundconf->{compat}[$_]
3329 or next;
3330
3331 my $face = cf::face::find "sound/$sound->[1]";
3332 cf::sound::set $sound->[0] => $face;
3333 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3334 }
3335
3336 while (my ($k, $v) = each %{$soundconf->{event}}) {
3337 my $face = cf::face::find "sound/$v";
3338 cf::sound::set $k => $face;
3339 }
3340 }
3341});
3342
3343register_exticmd fx_want => sub {
3344 my ($ns, $want) = @_;
3345
3346 while (my ($k, $v) = each %$want) {
3347 $ns->fx_want ($k, $v);
3348 }
3349};
3350
3351sub load_resource_file($) {
3352 my $guard = lock_acquire "load_resource_file";
3353
3354 my $status = load_resource_file_ $_[0];
3355 get_slot 0.1, 100;
3356 cf::arch::commit_load;
3357
3358 $status
3359}
3360
2539sub reload_regions { 3361sub reload_regions {
3362 # HACK to clear player env face cache, we need some signal framework
3363 # for this (global event?)
3364 %ext::player_env::MUSIC_FACE_CACHE = ();
3365
2540 load_resource_file "$MAPDIR/regions" 3366 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3367 or die "unable to load regions file\n";
3368
3369 for (cf::region::list) {
3370 $_->{match} = qr/$_->{match}/
3371 if exists $_->{match};
3372 }
2542} 3373}
2543 3374
2544sub reload_facedata { 3375sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3376 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3377 or die "unable to load facedata\n";
2557} 3388}
2558 3389
2559sub reload_resources { 3390sub reload_resources {
2560 warn "reloading resource files...\n"; 3391 warn "reloading resource files...\n";
2561 3392
2562 reload_regions;
2563 reload_facedata; 3393 reload_facedata;
2564 reload_archetypes; 3394 reload_archetypes;
3395 reload_regions;
2565 reload_treasures; 3396 reload_treasures;
2566 3397
2567 warn "finished reloading resource files\n"; 3398 warn "finished reloading resource files\n";
2568} 3399}
2569 3400
2570sub init { 3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
2571 reload_resources; 3406 reload_resources;
2572} 3407}
2573 3408
2574sub cfg_load { 3409sub reload_config {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3410 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3411 or return;
2577 3412
2578 local $/; 3413 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3414 *CFG = YAML::Load <$fh>;
2580 3415
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3417
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3419 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595sub main { 3430sub main {
2596 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3434 (async {
2600 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2602 }; 3438 };
2603 3439
2604 cfg_load; 3440 {
3441 my $guard = freeze_mainloop;
3442 reload_config;
2605 db_init; 3443 db_init;
2606 load_extensions; 3444 load_extensions;
2607 3445
2608 $TICK_WATCHER->start; 3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3447 }
3448
2609 Event::loop; 3449 EV::loop;
2610} 3450}
2611 3451
2612############################################################################# 3452#############################################################################
2613# initialisation and cleanup 3453# initialisation and cleanup
2614 3454
2615# install some emergency cleanup handlers 3455# install some emergency cleanup handlers
2616BEGIN { 3456BEGIN {
3457 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3458 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3459 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3460 cf::cleanup "SIG$signal";
2625 },
2626 ); 3461 };
3462 }
3463}
3464
3465sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time.
3470
3471 IO::AIO::aio_utime $runtime, undef, undef;
3472
3473 my $guard = cf::lock_acquire "write_runtime";
3474
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3476 or return;
3477
3478 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server.
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 # touch it again to show we are up-to-date
3490 aio_utime $fh, undef, undef;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$runtime~", $runtime
3496 and return;
3497
3498 warn "runtime file written.\n";
3499
2627 } 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3518 $uuid_skip = 0;
3519
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return;
3522
3523 # always fsync - this file is important
3524 aio_fsync $fh
3525 and return;
3526
3527 close $fh
3528 or return;
3529
3530 aio_rename "$uuid~", $uuid
3531 and return;
3532
3533 warn "uuid file written ($value).\n";
3534
3535 1
3536
3537}
3538
3539sub write_uuid($$) {
3540 my ($skip, $sync) = @_;
3541
3542 $sync ? write_uuid_sync $skip
3543 : async { write_uuid_sync $skip };
2628} 3544}
2629 3545
2630sub emergency_save() { 3546sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3547 my $freeze_guard = cf::freeze_mainloop;
2632 3548
2638 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3555 warn "begin emergency player save\n";
2640 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3558 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3560 $pl->save;
2644 } 3561 }
2645 warn "end emergency player save\n"; 3562 warn "end emergency player save\n";
2646 3563
2647 warn "begin emergency map save\n"; 3564 warn "begin emergency map save\n";
2653 warn "end emergency map save\n"; 3570 warn "end emergency map save\n";
2654 3571
2655 warn "begin emergency database checkpoint\n"; 3572 warn "begin emergency database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3574 warn "end emergency database checkpoint\n";
3575
3576 warn "begin write uuid\n";
3577 write_uuid_sync 1;
3578 warn "end write uuid\n";
2658 }; 3579 };
2659 3580
2660 warn "leave emergency perl save\n"; 3581 warn "leave emergency perl save\n";
2661} 3582}
2662 3583
2677 warn "reloading..."; 3598 warn "reloading...";
2678 3599
2679 warn "entering sync_job"; 3600 warn "entering sync_job";
2680 3601
2681 cf::sync_job { 3602 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3603 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3604 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3605 cf::write_runtime_sync; # external watchdog should not bark
2685 3606
2686 warn "syncing database to disk"; 3607 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3608 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3609
2689 # if anything goes wrong in here, we should simply crash as we already saved 3610 # if anything goes wrong in here, we should simply crash as we already saved
2690
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695 3611
2696 warn "flushing outstanding aio requests"; 3612 warn "flushing outstanding aio requests";
2697 for (;;) { 3613 for (;;) {
2698 BDB::flush; 3614 BDB::flush;
2699 IO::AIO::flush; 3615 IO::AIO::flush;
2700 Coro::cede; 3616 Coro::cede_notself;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3617 last unless IO::AIO::nreqs || BDB::nreqs;
2702 warn "iterate..."; 3618 warn "iterate...";
2703 } 3619 }
2704 3620
2705 ++$RELOAD; 3621 ++$RELOAD;
2709 %EXT_CORO = (); 3625 %EXT_CORO = ();
2710 3626
2711 warn "removing commands"; 3627 warn "removing commands";
2712 %COMMAND = (); 3628 %COMMAND = ();
2713 3629
2714 warn "removing ext commands"; 3630 warn "removing ext/exti commands";
2715 %EXTCMD = (); 3631 %EXTCMD = ();
3632 %EXTICMD = ();
2716 3633
2717 warn "unloading/nuking all extensions"; 3634 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) { 3635 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg"; 3636 warn "... unloading $pkg";
2720 3637
2763 warn "reloading cf.pm"; 3680 warn "reloading cf.pm";
2764 require cf; 3681 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3683
2767 warn "loading config and database again"; 3684 warn "loading config and database again";
2768 cf::cfg_load; 3685 cf::reload_config;
2769 3686
2770 warn "loading extensions"; 3687 warn "loading extensions";
2771 cf::load_extensions; 3688 cf::load_extensions;
2772 3689
2773 warn "reattaching attachments to objects/players"; 3690 warn "reattaching attachments to objects/players";
2780 warn "leaving sync_job"; 3697 warn "leaving sync_job";
2781 3698
2782 1 3699 1
2783 } or do { 3700 } or do {
2784 warn $@; 3701 warn $@;
2785 warn "error while reloading, exiting."; 3702 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3703 };
2788 3704
2789 warn "reloaded"; 3705 warn "reloaded";
2790}; 3706};
2791 3707
2793 3709
2794sub reload_perl() { 3710sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3711 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3712 # coro crashes during coro_state_free->destroy here.
2797 3713
2798 $RELOAD_WATCHER ||= Event->timer ( 3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799 reentrant => 0,
2800 after => 0,
2801 data => WF_AUTOCANCEL,
2802 cb => sub {
2803 do_reload_perl; 3715 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3716 undef $RELOAD_WATCHER;
2805 },
2806 ); 3717 };
2807} 3718}
2808 3719
2809register_command "reload" => sub { 3720register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3721 my ($who, $arg) = @_;
2811 3722
2812 if ($who->flag (FLAG_WIZ)) { 3723 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3724 $who->message ("reloading server.");
3725 async {
3726 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3727 reload_perl;
3728 };
2815 } 3729 }
2816}; 3730};
2817 3731
2818unshift @INC, $LIBDIR; 3732unshift @INC, $LIBDIR;
2819 3733
2821 3735
2822our @WAIT_FOR_TICK; 3736our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3737our @WAIT_FOR_TICK_BEGIN;
2824 3738
2825sub wait_for_tick { 3739sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3740 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3741
2829 my $signal = new Coro::Signal; 3742 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3743 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3744 $signal->wait;
2832} 3745}
2833 3746
2834sub wait_for_tick_begin { 3747sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3748 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3749
2838 my $signal = new Coro::Signal; 3750 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3751 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3752 $signal->wait;
2841} 3753}
2842 3754
2843 my $min = 1e6;#d# 3755sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3756 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3757 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3758 unless ++$bug_warning > 10;
2855 return; 3759 return;
2856 } 3760 }
2857 3761
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3762 cf::server_tick; # one server iteration
2861 3763
2862 0 && sync_job {#d# 3764 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3765 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3766 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3767 $Coro::current->{desc} = "runtime saver";
2866 or die; 3768 write_runtime_sync
2867 3769 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3770 };
3771 }
2884 3772
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3773 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3774 $sig->send;
2901 } 3775 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3776 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3777 $sig->send;
2904 } 3778 }
2905 3779
2906 $NOW = Event::time; 3780 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3781 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3782
2917 _post_tick; 3783 if (0) {
2918 3784 if ($NEXT_TICK) {
2919 3785 my $jitter = $TICK_START - $NEXT_TICK;
3786 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3787 warn "jitter $JITTER\n";#d#
3788 }
2920 }, 3789 }
2921); 3790}
2922 3791
2923{ 3792{
2924 BDB::max_poll_time $TICK * 0.1; 3793 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3794
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3795 BDB::min_parallel 8;
2934 3796 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3797 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3798
2950 unless ($DB_ENV) { 3799 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3800 $DB_ENV = BDB::db_env_create;
3801 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3802 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3803 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3804 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3805 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3806
2953 cf::sync_job { 3807 cf::sync_job {
2954 eval { 3808 eval {
2955 BDB::db_env_open 3809 BDB::db_env_open
2956 $DB_ENV, 3810 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3812 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3813 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3814 0666;
2961 3815
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3816 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3817 };
2967 3818
2968 cf::cleanup "db_env_open(db): $@" if $@; 3819 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3820 };
2970 } 3821 }
3822
3823 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3824 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3825 };
3826 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3827 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3828 };
3829 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3830 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3831 };
2971} 3832}
2972 3833
2973{ 3834{
3835 # configure IO::AIO
3836
2974 IO::AIO::min_parallel 8; 3837 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3838 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3839 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3840}
2987 3841
2988my $_log_backtrace; 3842my $_log_backtrace;
2989 3843
2990sub _log_backtrace { 3844sub _log_backtrace {
2994 3848
2995 # limit the # of concurrent backtraces 3849 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3850 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3851 ++$_log_backtrace;
2998 async { 3852 async {
3853 $Coro::current->{desc} = "abt $msg";
3854
2999 my @bt = fork_call { 3855 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3856 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3857 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3858 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3859 or die "addr2line: $!";

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