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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.272 by root, Sun Jun 3 15:32:50 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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;
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;
61
62IO::AIO::max_poll_reqs 1;#d#
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::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 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 69
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 71
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 73
49our %COMMAND = (); 74our %COMMAND = ();
50our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
51 76
52our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
56 82
57our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
58our @EVENT; 84our @EVENT;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 92our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 95our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
71 98
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 99our $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 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 101our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
79 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 107our $DB_ENV;
82 108
83our %CFG; 109our %CFG;
84 110
85our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 112our $RUNTIME;
113our $NOW;
87 114
88our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
91 118
92# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 121
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 125our $TICK_START; # for load detecting purposes
98 126
99binmode STDOUT; 127binmode STDOUT;
100binmode STDERR; 128binmode STDERR;
101 129
102# read virtual server time, if available 130# read virtual server time, if available
155 183
156The raw value load value from the last tick. 184The raw value load value from the last tick.
157 185
158=item %cf::CFG 186=item %cf::CFG
159 187
160Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 189from wherever your confdir points to.
162 190
163=item cf::wait_for_tick, cf::wait_for_tick_begin 191=item cf::wait_for_tick, cf::wait_for_tick_begin
164 192
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 193These 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 194returns 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. 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
202
169=back 203=back
170 204
171=cut 205=cut
172 206
173BEGIN { 207BEGIN {
177 $msg .= "\n" 211 $msg .= "\n"
178 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
179 213
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 215
182 utf8::encode $msg;
183 LOG llevError, $msg; 216 LOG llevError, $msg;
184 }; 217 };
185} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
186 234
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193 242
194# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
195# within the Safe compartment. 244# within the Safe compartment.
196for my $pkg (qw( 245for my $pkg (qw(
197 cf::global cf::attachable 246 cf::global cf::attachable
202)) { 251)) {
203 no strict 'refs'; 252 no strict 'refs';
204 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205} 254}
206 255
207$Event::DIED = sub { 256$EV::DIED = sub {
208 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
209}; 258};
259
260#############################################################################
210 261
211=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
212 263
213=over 4 264=over 4
214 265
233 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234 $d 285 $d
235 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
236} 287}
237 288
238use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
239
240=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
241 290
242Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
243 292
244=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
245 294
246Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
296
297=cut
298
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300
301sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) }
247 303
248=item cf::lock_wait $string 304=item cf::lock_wait $string
249 305
250Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
251 307
254Wait until the given lock is available and then acquires it and returns 310Wait 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, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
256for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
257returned. 313returned.
258 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
259Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
260uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
261 320
262=item $locked = cf::lock_active $string 321=item $locked = cf::lock_active $string
263 322
264Return true if the lock is currently active, i.e. somebody has locked it. 323Return true if the lock is currently active, i.e. somebody has locked it.
265 324
266=cut 325=cut
267 326
268our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
269 329
270sub lock_wait($) { 330sub lock_wait($) {
271 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
272 337
273 # wait for lock, if any 338 # wait for lock, if any
274 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
275 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
276 Coro::schedule; 341 Coro::schedule;
282 347
283 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
284 lock_wait $key; 349 lock_wait $key;
285 350
286 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
287 353
288 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
289 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
290 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
291 } 358 }
292} 359}
293 360
296 363
297 ! ! $LOCK{$key} 364 ! ! $LOCK{$key}
298} 365}
299 366
300sub freeze_mainloop { 367sub freeze_mainloop {
301 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
302 369
303 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
304 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
305 }; 431 }
306 $TICK_WATCHER->stop; 432};
307 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
308} 446}
309 447
310=item cf::async { BLOCK } 448=item cf::async { BLOCK }
311 449
312Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
317 455
318BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
319 457
320=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
321 459
322The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
323always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
324reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
325 464
326If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
327the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
328server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
329fast or be very important. 468fast or be very important.
332 471
333sub sync_job(&) { 472sub sync_job(&) {
334 my ($job) = @_; 473 my ($job) = @_;
335 474
336 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
337 my $time = Event::time; 476 my $time = EV::time;
338 477
339 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
340 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
341 480
342 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
343 # (but this is cancel-safe) 482
344 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
345 484
346 my $busy = 1; 485 my $busy = 1;
347 my @res; 486 my @res;
348 487
349 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
350 @res = eval { $job->() }; 490 @res = eval { $job->() };
351 warn $@ if $@; 491 warn $@ if $@;
352 undef $busy; 492 undef $busy;
353 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
354 494
355 while ($busy) { 495 while ($busy) {
356 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
357 } 500 }
501 }
358 502
359 $time = Event::time - $time; 503 my $time = EV::time - $time;
360 504
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 505 $TICK_START += $time; # do not account sync jobs to server load
365 506
366 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
367 } else { 508 } else {
368 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
369 510
389 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
390 531
391 $coro 532 $coro
392} 533}
393 534
394sub write_runtime { 535=item fork_call { }, $args
395 my $runtime = "$LOCALDIR/runtime";
396 536
397 # first touch the runtime file to show we are still running: 537Executes the given code block with the given arguments in a seperate
398 # the fsync below can take a very very long time. 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
399 541
400 IO::AIO::aio_utime $runtime, undef, undef; 542=cut
401 543
402 my $guard = cf::lock_acquire "write_runtime"; 544sub fork_call(&@) {
545 my ($cb, @args) = @_;
403 546
404 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 547 # we seemingly have to make a local copy of the whole thing,
405 or return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
406 550
407 my $value = $cf::RUNTIME + 90 + 10; 551 my @res = Coro::Util::fork_eval {
408 # 10 is the runtime save interval, for a monotonic clock 552 reset_signals;
409 # 60 allows for the watchdog to kill the server. 553 &$cb
554 }, @args;
410 555
411 (aio_write $fh, 0, (length $value), $value, 0) <= 0 556 wantarray ? @res : $res[-1]
412 and return; 557}
413 558
414 # always fsync - this file is important 559=item $coin = coin_from_name $name
415 aio_fsync $fh
416 and return;
417 560
418 # touch it again to show we are up-to-date 561=cut
419 aio_utime $fh, undef, undef;
420 562
421 close $fh 563our %coin_alias = (
422 or return; 564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
423 579
424 aio_rename "$runtime~", $runtime 580sub coin_from_name($) {
425 and return; 581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
426 585
427 warn "runtime file written.\n";#d# 586=item $value = cf::db_get $family => $key
428 587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
429 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
430} 711}
431 712
432=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
433 714
434Log a datalog packet of the given type with the given key-value pairs. 715Log 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") 733attach callbacks/event handlers (a collection of which is called an "attachment")
453to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
454 735
455In the following description, CLASS can be any of C<global>, C<object> 736In 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 737C<player>, C<client> or C<map> (i.e. the attachable objects in
457crossfire+). 738Deliantra).
458 739
459=over 4 740=over 4
460 741
461=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
462 743
664 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
665 } 946 }
666 947
667 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
668 } else { 949 } else {
669 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
670 } 951 }
671 952
672 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
673} 954}
674 955
714 "; 995 ";
715 die if $@; 996 die if $@;
716} 997}
717 998
718our $override; 999our $override;
719our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720 1001
721sub override { 1002sub override {
722 $override = 1; 1003 $override = 1;
723 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
724} 1005}
725 1006
726sub do_invoke { 1007sub do_invoke {
727 my $event = shift; 1008 my $event = shift;
728 my $callbacks = shift; 1009 my $callbacks = shift;
729 1010
730 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
731 1012
732 local $override; 1013 local $override;
733 1014
734 for (@$callbacks) { 1015 for (@$callbacks) {
735 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
744 } 1025 }
745 1026
746 0 1027 0
747} 1028}
748 1029
749=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750 1031
751=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752 1033
753Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
754 1035
755This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This 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 1037removed in future versions), and there is no public API to access override
757results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758 1039
759=back 1040=back
760 1041
761=cut 1042=cut
762 1043
763############################################################################# 1044#############################################################################
764# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
765 1088
766sub reattach { 1089sub reattach {
767 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 1091 my ($obj) = @_;
769 1092
790cf::attachable->attach ( 1113cf::attachable->attach (
791 prio => -1000000, 1114 prio => -1000000,
792 on_instantiate => sub { 1115 on_instantiate => sub {
793 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
794 1117
795 $data = from_json $data; 1118 $data = decode_json $data;
796 1119
797 for (@$data) { 1120 for (@$data) {
798 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
799 1122
800 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1139sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
818 1141
819 sync_job { 1142 sync_job {
820 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
823 1147
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1151 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1152 aio_close $fh;
829 1153
830 if (@$objs) { 1154 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1160 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
838 } 1162 }
839 } else { 1163 } else {
840 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
841 } 1165 }
846 } 1170 }
847 } else { 1171 } else {
848 aio_unlink $filename; 1172 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
850 } 1174 }
851 } 1175 };
852} 1176}
853 1177
854sub object_freezer_as_string { 1178sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
856 1180
868 or return; 1192 or return;
869 1193
870 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
872 or return; 1196 or return;
1197
873 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
874 } 1200 }
875 1201
1202 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
878 return ($data, $av); 1206 ($data, $av)
879} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
880 1214
881############################################################################# 1215#############################################################################
882# command handling &c 1216# command handling &c
883 1217
884=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1232}
899 1233
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1235
902Register a callbackf ro execution when the client sends an extcmd packet. 1236Register a callback for execution when the client sends an (synchronous)
1237extcmd packet. Ext commands will be processed in the order they are
1238received by the server, like other user commands. The first argument is
1239the logged-in player. Ext commands can only be processed after a player
1240has logged in successfully.
903 1241
904If the callback returns something, it is sent back as if reply was being 1242If the callback returns something, it is sent back as if reply was being
905called. 1243called.
906 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
907=cut 1256=cut
908 1257
909sub register_extcmd { 1258sub register_extcmd {
910 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
911 1260
912 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
913} 1268}
914 1269
915cf::player->attach ( 1270cf::player->attach (
916 on_command => sub { 1271 on_command => sub {
917 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
926 cf::override; 1281 cf::override;
927 }, 1282 },
928 on_extcmd => sub { 1283 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
930 1285
931 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1287
933 if (ref $msg) { 1288 if (ref $msg) {
1289 my ($type, $reply, @payload) =
1290 "ARRAY" eq ref $msg
1291 ? @$msg
1292 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293
1294 my @reply;
1295
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
939 } else { 1303 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1305 }
942 1306
943 cf::override; 1307 cf::override;
944 }, 1308 },
945); 1309);
946 1310
947sub load_extension {
948 my ($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 { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
982 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1316 next unless -r $path;
984 eval { 1317
985 load_extension $ext; 1318 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1319 my $base = $1;
1320 my $pkg = $1;
1321 $pkg =~ s/[^[:word:]]/_/g;
1322 $pkg = "ext::$pkg";
1323
1324 open my $fh, "<:utf8", $path
1325 or die "$path: $!";
1326
1327 my $source = do { local $/; <$fh> };
1328
1329 my %ext = (
1330 path => $path,
1331 base => $base,
1332 pkg => $pkg,
1333 );
1334
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337
1338 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n"
1341 . $source
1342 . "\n};\n1";
1343
1344 $todo{$base} = \%ext;
1345 }
1346
1347 my %done;
1348 while (%todo) {
1349 my $progress;
1350
1351 while (my ($k, $v) = each %todo) {
1352 for (split /,\s*/, $v->{meta}{depends}) {
1353 goto skip
1354 unless exists $done{$_};
1355 }
1356
1357 warn "... loading '$k' into '$v->{pkg}'\n";
1358
1359 unless (eval $v->{source}) {
1360 my $msg = $@ ? "$v->{path}: $@\n"
1361 : "$v->{base}: extension inactive.\n";
1362
1363 if (exists $v->{meta}{mandatory}) {
1364 warn $msg;
1365 cf::cleanup "mandatory extension failed to load, exiting.";
1366 }
1367
1368 warn $msg;
1369 }
1370
1371 $done{$k} = delete $todo{$k};
1372 push @EXTS, $v->{pkg};
1373 $progress = 1;
986 1 1374 }
987 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
988 } 1380 };
989} 1381}
990 1382
991############################################################################# 1383#############################################################################
992 1384
1385=back
1386
993=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
994 1388
995Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
996 1390
997=cut 1391=cut
1001use Coro::AIO; 1395use Coro::AIO;
1002 1396
1003=head3 cf::player 1397=head3 cf::player
1004 1398
1005=over 4 1399=over 4
1400
1401=item cf::player::num_playing
1402
1403Returns the official number of playing players, as per the Crossfire metaserver rules.
1404
1405=cut
1406
1407sub num_playing {
1408 scalar grep
1409 $_->ob->map
1410 && !$_->hidden
1411 && !$_->ob->flag (cf::FLAG_WIZ),
1412 cf::player::list
1413}
1006 1414
1007=item cf::player::find $login 1415=item cf::player::find $login
1008 1416
1009Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
1010 1418
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1454 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1455 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1456 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1457 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1458
1051 my $pl = load_pl path $login 1459 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1460 or return;
1461
1462 my $pl = cf::player::load_pl $f
1463 or return;
1464
1465 local $cf::PLAYER_LOADING{$login} = $pl;
1466 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
1054 } 1468 }
1055 } 1469 }
1056} 1470}
1057 1471
1066 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
1067 1481
1068 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
1070 1484
1485 cf::get_slot 0.01;
1486
1071 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
1072 Coro::cede; 1488 cf::cede_to_tick;
1073} 1489}
1074 1490
1075sub new($) { 1491sub new($) {
1076 my ($login) = @_; 1492 my ($login) = @_;
1077 1493
1083 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1084 1500
1085 $self 1501 $self
1086} 1502}
1087 1503
1504=item $player->send_msg ($channel, $msg, $color, [extra...])
1505
1506=cut
1507
1508sub send_msg {
1509 my $ns = shift->ns
1510 or return;
1511 $ns->send_msg (@_);
1512}
1513
1088=item $pl->quit_character 1514=item $pl->quit_character
1089 1515
1090Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1092 1518
1100 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1527 $pl->password ("*"); # this should lock out the player until we nuked the dir
1102 1528
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1107 1535
1108 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1145 or return []; 1573 or return [];
1146 1574
1147 my @logins; 1575 my @logins;
1148 1576
1149 for my $login (@$dirs) { 1577 for my $login (@$dirs) {
1578 my $path = path $login;
1579
1580 # a .pst is a dead give-away for a valid player
1581 # if no pst file found, open and chekc for blocked users
1582 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1153 1587
1154 utf8::decode $login; 1588 utf8::decode $login;
1155 push @logins, $login; 1589 push @logins, $login;
1156 } 1590 }
1157 1591
1184 } 1618 }
1185 1619
1186 \@paths 1620 \@paths
1187} 1621}
1188 1622
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1624
1625Expand crossfire pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715
1189=item $player->ext_reply ($msgid, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1190 1717
1191Sends an ext reply to the player. 1718Sends an ext reply to the player.
1192 1719
1193=cut 1720=cut
1194 1721
1195sub ext_reply($$%) { 1722sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1197 1724
1198 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1726}
1202 1727
1203=item $player->ext_event ($type, %msg) 1728=item $player->ext_msg ($type, @msg)
1204 1729
1205Sends an ext event to the client. 1730Sends an ext event to the client.
1206 1731
1207=cut 1732=cut
1208 1733
1209sub ext_event($$%) { 1734sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1735 my ($self, $type, @msg) = @_;
1211 1736
1212 $self->ns->ext_event ($type, %msg); 1737 $self->ns->ext_msg ($type, @msg);
1213} 1738}
1214 1739
1215=head3 cf::region 1740=head3 cf::region
1216 1741
1217=over 4 1742=over 4
1220 1745
1221package cf::region; 1746package cf::region;
1222 1747
1223=item cf::region::find_by_path $path 1748=item cf::region::find_by_path $path
1224 1749
1225Tries to decuce the probable region for a map knowing only its path. 1750Tries to decuce the likely region for a map knowing only its path.
1226 1751
1227=cut 1752=cut
1228 1753
1229sub find_by_path($) { 1754sub find_by_path($) {
1230 my ($path) = @_; 1755 my ($path) = @_;
1231 1756
1232 my ($match, $specificity); 1757 my ($match, $specificity);
1233 1758
1234 for my $region (list) { 1759 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1760 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1761 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1762 if $region->specificity > $specificity;
1238 } 1763 }
1239 } 1764 }
1240 1765
1261our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1263 1788
1264sub generate_random_map { 1789sub generate_random_map {
1265 my ($self, $rmp) = @_; 1790 my ($self, $rmp) = @_;
1791
1792 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793
1266 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1795 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1305 1833
1306 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1307 local $self->{path}; 1835 local $self->{path};
1308 local $self->{load_path}; 1836 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1837
1312 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1313} 1839}
1314 1840
1315sub normalise { 1841sub normalise {
1362 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1363 return $self; 1889 return $self;
1364 } 1890 }
1365 } 1891 }
1366 1892
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1894 ()
1369} 1895}
1370 1896
1371sub init { 1897sub init {
1372 my ($self) = @_; 1898 my ($self) = @_;
1394 1920
1395# the temporary/swap location 1921# the temporary/swap location
1396sub save_path { 1922sub save_path {
1397 my ($self) = @_; 1923 my ($self) = @_;
1398 1924
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1926 "$TMPDIR/$path.map"
1401} 1927}
1402 1928
1403# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1404sub uniq_path { 1930sub uniq_path {
1405 my ($self) = @_; 1931 my ($self) = @_;
1406 1932
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1934 "$UNIQUEDIR/$path"
1409} 1935}
1410 1936
1411# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1412# all maps in C++... 1938# all maps in C++...
1415 1941
1416 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1418} 1944}
1419 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1420sub unlink_save { 1954sub unlink_save {
1421 my ($self) = @_; 1955 my ($self) = @_;
1422 1956
1423 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1961
1428sub load_header_from($) { 1962sub load_header_from($) {
1429 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1430 1964
1431 utf8::encode $path; 1965 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1967 or return;
1968
1969 $self->_load_header ($f)
1970 or return;
1971
1972 local $MAP_LOADING{$self->{path}} = $self;
1973 $f->resolve_delayed_derefs;
1437 1974
1438 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1439 1976
1440 1 1977 1
1441} 1978}
1480 $self->load_header_orig 2017 $self->load_header_orig
1481 or return; 2018 or return;
1482 $self->prepare_orig; 2019 $self->prepare_orig;
1483 } 2020 }
1484 2021
2022 $self->{deny_reset} = 1
2023 if $self->no_reset;
2024
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2025 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2026 unless $self->default_region;
1487 2027
1488 1 2028 1
1489} 2029}
1492sub find { 2032sub find {
1493 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1494 2034
1495 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1496 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1498 2039
1499 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1501 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1502 or return; 2045 or return;
1503 2046
1504 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1505 2048
1506 $map->load_header 2049 $map->load_header
1507 or return; 2050 or return;
1508 2051
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1512 $map->reset; 2057 $map->reset;
1513 undef $guard;
1514 return find $path; 2058 return find $path;
1515 } 2059 }
1516 2060
1517 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1518 } 2062 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1528 2072
1529 my $path = $self->{path}; 2073 my $path = $self->{path};
1530 2074
1531 { 2075 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1533 2077
2078 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2080
1536 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1537 2082
1538 $self->alloc; 2083 $self->alloc;
1539 2084
1540 $self->pre_load; 2085 $self->pre_load;
1541 Coro::cede; 2086 cf::cede_to_tick;
1542 2087
2088 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2090 $self->_load_objects ($f)
1544 or return; 2091 or return;
1545 2092
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1547 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1548 2095
1549 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2097 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2100 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1554 } 2104 }
1555 } 2105 }
1556 2106
1557 Coro::cede; 2107 $f->resolve_delayed_derefs;
2108
2109 cf::cede_to_tick;
1558 # now do the right thing for maps 2110 # now do the right thing for maps
1559 $self->link_multipart_objects; 2111 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2112 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2113 unless $self->difficulty;
1562 Coro::cede; 2114 cf::cede_to_tick;
1563 2115
1564 unless ($self->{deny_activate}) { 2116 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2117 $self->decay_objects;
1566 $self->fix_auto_apply; 2118 $self->fix_auto_apply;
1567 $self->update_buttons; 2119 $self->update_buttons;
1568 Coro::cede; 2120 cf::cede_to_tick;
1569 $self->set_darkness_map; 2121 $self->set_darkness_map;
1570 Coro::cede; 2122 cf::cede_to_tick;
1571 $self->activate; 2123 $self->activate;
1572 } 2124 }
1573 2125
2126 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME);
2128
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2129 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2130 }
1576 2131
1577 $self->post_load; 2132 $self->post_load;
1578} 2133}
1579 2134
1581 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1582 2137
1583 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2139 if $self->per_player;
1585 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1586 $self 2144 $self
1587} 2145}
1588 2146
1589# find and load all maps in the 3x3 area around a map 2147# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2148sub load_neighbours {
1591 my ($map) = @_; 2149 my ($map) = @_;
1592 2150
1593 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1594 2152
1595 for (0 .. 3) { 2153 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1597 or next; 2155 or next;
1598 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1599 or next; 2157 or next;
1600 $neigh->load; 2158 $neigh->load;
1601 2159
2160 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2163 }
1605 2164
1606 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1608 or next; 2168 or next;
1609 $neigh->load; 2169 $neigh->load;
1610 } 2170 }
1611} 2171}
1612 2172
1617} 2177}
1618 2178
1619sub do_load_sync { 2179sub do_load_sync {
1620 my ($map) = @_; 2180 my ($map) = @_;
1621 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1622 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1623} 2186}
1624 2187
1625our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1627 2190
1628sub find_async { 2191sub find_async {
1629 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1630 2193
1631 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1632 2195
1633 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2198 }
1636 2199
1637 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1638 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1639 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2207 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2208 $map->load if $v;
2209 }
1644 2210
1645 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1646 } 2212 }
1647 } 2213 }
1648 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1649 }; 2215 };
1650 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1653} 2219}
1654 2220
1655sub save { 2221sub save {
1656 my ($self) = @_; 2222 my ($self) = @_;
1657 2223
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2225
1660 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1661 2227
1662 return unless $self->dirty; 2228 return unless $self->dirty;
1663 2229
1669 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1670 2236
1671 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1672 2238
1673 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1675 }; 2242 };
2243
2244 cf::get_slot 0.02;
1676 2245
1677 if ($uniq) { 2246 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2249 } else {
1686 my ($self) = @_; 2255 my ($self) = @_;
1687 2256
1688 # save first because save cedes 2257 # save first because save cedes
1689 $self->save; 2258 $self->save;
1690 2259
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2261
1693 return if $self->players; 2262 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1696 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2270 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2271}
1700 2272
1701sub reset_at { 2273sub reset_at {
1702 my ($self) = @_; 2274 my ($self) = @_;
1703 2275
1704 # TODO: safety, remove and allow resettable per-player maps 2276 # 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}; 2277 return 1e99 if $self->{deny_reset};
1707 2278
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2280 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2281
1721 my ($self) = @_; 2292 my ($self) = @_;
1722 2293
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2295
1725 return if $self->players; 2296 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2297
1728 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
1729 2299
1730 $self->in_memory (cf::MAP_SWAPPED); 2300 $self->in_memory (cf::MAP_SWAPPED);
1731 2301
1732 # need to save uniques path 2302 # need to save uniques path
1733 unless ($self->{deny_save}) { 2303 unless ($self->{deny_save}) {
1737 if $uniq; 2307 if $uniq;
1738 } 2308 }
1739 2309
1740 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1741 2311
2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2314 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2315
1746 $self->unlink_save; 2316 $self->unlink_save;
1747 $self->destroy; 2317 $self->destroy;
1748} 2318}
1749 2319
1750my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1751 2321
1752sub nuke { 2322sub nuke {
1753 my ($self) = @_; 2323 my ($self) = @_;
1754 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1755 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1756 2329
1757 $self->unlink_save; 2330 $self->unlink_save;
1758 2331
1759 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2337
1765 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1766 2340
1767 $self->reset; # polite request, might not happen 2341 $self->reset; # polite request, might not happen
2342}
2343
2344=item $maps = cf::map::tmp_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347maps. May block.
2348
2349=cut
2350
2351sub tmp_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise $_
2357 : ()
2358 } @{ aio_readdir $TMPDIR or [] }
2359 ]
2360}
2361
2362=item $maps = cf::map::random_maps
2363
2364Returns an arrayref with all map paths of currently instantiated and saved
2365random maps. May block.
2366
2367=cut
2368
2369sub random_maps() {
2370 [
2371 map {
2372 utf8::decode $_;
2373 /\.map$/
2374 ? normalise "?random/$_"
2375 : ()
2376 } @{ aio_readdir $RANDOMDIR or [] }
2377 ]
1768} 2378}
1769 2379
1770=item cf::map::unique_maps 2380=item cf::map::unique_maps
1771 2381
1772Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2383instantiated unique items. May block.
1774 2384
1775=cut 2385=cut
1776 2386
1777sub unique_maps() { 2387sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2388 [
1779 or return; 2389 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2390 utf8::decode $_;
1785 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2393 ? ()
1788 push @paths, cf::map::normalise $_; 2394 : normalise $_
2395 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2396 ]
1790
1791 \@paths
1792} 2397}
1793
1794package cf;
1795 2398
1796=back 2399=back
1797 2400
1798=head3 cf::object 2401=head3 cf::object
1799 2402
1803 2406
1804=over 4 2407=over 4
1805 2408
1806=item $ob->inv_recursive 2409=item $ob->inv_recursive
1807 2410
1808Returns the inventory of the object _and_ their inventories, recursively. 2411Returns the inventory of the object I<and> their inventories, recursively,
2412but I<not> the object itself.
1809 2413
1810=cut 2414=cut
1811 2415
1812sub inv_recursive_; 2416sub inv_recursive_;
1813sub inv_recursive_ { 2417sub inv_recursive_ {
1816 2420
1817sub inv_recursive { 2421sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1819} 2423}
1820 2424
2425=item $ref = $ob->ref
2426
2427Creates and returns a persistent reference to an object that can be stored as a string.
2428
2429=item $ob = cf::object::deref ($refstring)
2430
2431returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2432even if the object actually exists. May block.
2433
2434=cut
2435
2436sub deref {
2437 my ($ref) = @_;
2438
2439 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2440 my ($uuid, $name) = ($1, $2);
2441 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2442 or return;
2443 $pl->ob->uuid eq $uuid
2444 or return;
2445
2446 $pl->ob
2447 } else {
2448 warn "$ref: cannot resolve object reference\n";
2449 undef
2450 }
2451}
2452
1821package cf; 2453package cf;
1822 2454
1823=back 2455=back
1824 2456
1825=head3 cf::object::player 2457=head3 cf::object::player
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2463Sends 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 2464can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2465dialogue with the given NPC character.
1834 2466
1835=cut 2467=cut
2468
2469our $SAY_CHANNEL = {
2470 id => "say",
2471 title => "Map",
2472 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2474};
2475
2476our $CHAT_CHANNEL = {
2477 id => "chat",
2478 title => "Chat",
2479 reply => "chat ",
2480 tooltip => "Player chat and shouts, global to the server.",
2481};
1836 2482
1837# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2484# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2485#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1842 2488
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2490
1845 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1847 } else { 2494 } else {
2495 my $pl = $self->contr;
2496
2497 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2498 my $dialog = $pl->{npc_dialog};
2499 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2500
2501 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1850 } 2505 }
2506}
2507
2508=item $object->send_msg ($channel, $msg, $color, [extra...])
2509
2510=cut
2511
2512sub cf::object::send_msg {
2513 my $pl = shift->contr
2514 or return;
2515 $pl->send_msg (@_);
1851} 2516}
1852 2517
1853=item $player_object->may ("access") 2518=item $player_object->may ("access")
1854 2519
1855Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1937 2602
1938 $map->load; 2603 $map->load;
1939 $map->load_diag; 2604 $map->load_neighbours;
1940 2605
1941 return unless $self->contr->active; 2606 return unless $self->contr->active;
1942 $self->activate_recursive; 2607 $self->activate_recursive;
1943 2608
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1946} 2611}
1947 2612
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2614
1950Moves the player to the given map-path and coordinates by first freezing 2615Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2616her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2617that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2618the new (success) or old (failed) map position. In either case, $done will
2619be called at the end of this process.
1954 2620
1955=cut 2621=cut
1956 2622
1957our $GOTOGEN; 2623our $GOTOGEN;
1958 2624
1959sub cf::object::player::goto { 2625sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2626 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2627
1962 # do generation counting so two concurrent goto's will be executed in-order 2628 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2629 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2630
1965 $self->enter_link; 2631 $self->enter_link;
1966 2632
1967 (async { 2633 (async {
2634 $Coro::current->{desc} = "player::goto $path $x $y";
2635
2636 # *tag paths override both path and x|y
2637 if ($path =~ /^\*(.*)$/) {
2638 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2639 my $ob = $obs[rand @obs];
2640
2641 # see if we actually can go there
2642 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2643 $ob = $obs[rand @obs];
2644 } else {
2645 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647 # else put us there anyways for now #d#
2648
2649 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2650 } else {
2651 ($path, $x, $y) = (undef, undef, undef);
2652 }
2653 }
2654
1968 my $map = eval { 2655 my $map = eval {
1969 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
1970 2657
1971 if ($map) { 2658 if ($map) {
1972 $map = $map->customise_for ($self); 2659 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2660 $map = $check->($map) if $check && $map;
1974 } else { 2661 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2662 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2663 }
1977 2664
1978 $map 2665 $map
1979 }; 2666 };
1980 2667
1985 2672
1986 if ($gen == $self->{_goto_generation}) { 2673 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2674 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
1989 } 2676 }
2677
2678 $done->() if $done;
1990 })->prio (1); 2679 })->prio (1);
1991} 2680}
1992 2681
1993=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1994 2683
2014} 2703}
2015 2704
2016sub prepare_random_map { 2705sub prepare_random_map {
2017 my ($exit) = @_; 2706 my ($exit) = @_;
2018 2707
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2710 # that depends on the exit object
2024 2711
2025 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
2027 if ($exit->map) { 2714 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
2032 } 2721 }
2033 2722
2034 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
2035 2724
2036 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
2039 2728
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2731 undef $fh;
2043 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
2044 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
2047 } 2740 }
2048} 2741}
2049 2742
2050sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
2052 2745
2053 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
2054 2747
2055 if ($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; 2748 $self->enter_link;
2067 2749
2068 (async { 2750 (async {
2069 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
2070 unless (eval { 2753 unless (eval {
2754 $self->deactivate_recursive; # just to be sure
2755
2756 # random map handling
2757 {
2758 my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760 prepare_random_map $exit
2761 if $exit->slaying eq "/!";
2762 }
2763
2764 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2765 my $x = $exit->stats->hp;
2766 my $y = $exit->stats->sp;
2767
2071 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
2072 2769
2770 # if exit is damned, update players death & WoR home-position
2771 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED);
2773
2073 1; 2774 1
2074 }) { 2775 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
2076 . "I'll try to bring you back to the map you were before. " 2777 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
2099 2800
2100 utf8::encode $text; 2801 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2803}
2103 2804
2805=item $client->send_msg ($channel, $msg, $color, [extra...])
2806
2807Send a drawinfo or msg packet to the client, formatting the msg for the
2808client if neccessary. C<$type> should be a string identifying the type of
2809the message, with C<log> being the default. If C<$color> is negative, suppress
2810the message unless the client supports the msg packet.
2811
2812=cut
2813
2814# non-persistent channels (usually the info channel)
2815our %CHANNEL = (
2816 "c/identify" => {
2817 id => "infobox",
2818 title => "Identify",
2819 reply => undef,
2820 tooltip => "Items recently identified",
2821 },
2822 "c/examine" => {
2823 id => "infobox",
2824 title => "Examine",
2825 reply => undef,
2826 tooltip => "Signs and other items you examined",
2827 },
2828 "c/book" => {
2829 id => "infobox",
2830 title => "Book",
2831 reply => undef,
2832 tooltip => "The contents of a note or book",
2833 },
2834 "c/lookat" => {
2835 id => "infobox",
2836 title => "Look",
2837 reply => undef,
2838 tooltip => "What you saw there",
2839 },
2840 "c/who" => {
2841 id => "infobox",
2842 title => "Players",
2843 reply => undef,
2844 tooltip => "Shows players who are currently online",
2845 },
2846 "c/body" => {
2847 id => "infobox",
2848 title => "Body Parts",
2849 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available",
2851 },
2852 "c/uptime" => {
2853 id => "infobox",
2854 title => "Uptime",
2855 reply => undef,
2856 tooltip => "How long the server has been running since last restart",
2857 },
2858 "c/mapinfo" => {
2859 id => "infobox",
2860 title => "Map Info",
2861 reply => undef,
2862 tooltip => "Information related to the maps",
2863 },
2864 "c/party" => {
2865 id => "party",
2866 title => "Party",
2867 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party",
2869 },
2870);
2871
2872sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_;
2874
2875 $msg = $self->pl->expand_cfpod ($msg);
2876
2877 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878
2879 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel};
2882
2883 $self->ext_msg (channel_info => $channel)
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id};
2887
2888 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel)
2893 if $self->can_msg;
2894 }
2895
2896 $channel = $channel->{id};
2897 }
2898
2899 return unless @extra || length $msg;
2900
2901 if ($self->can_msg) {
2902 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF;
2905
2906 $self->send_packet ("msg " . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2908 } else {
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919
2920 $color &= cf::NDI_COLOR_MASK;
2921
2922 utf8::encode $msg;
2923
2924 if (0 && $msg =~ /\[/) {
2925 # COMMAND/INFO
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 }
2933}
2934
2104=item $client->ext_event ($type, %msg) 2935=item $client->ext_msg ($type, @msg)
2105 2936
2106Sends an exti event to the client. 2937Sends an ext event to the client.
2107 2938
2108=cut 2939=cut
2109 2940
2110sub cf::client::ext_event($$%) { 2941sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2942 my ($self, $type, @msg) = @_;
2112 2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2947 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2950}
2951
2952=item $client->ext_reply ($msgid, @msg)
2953
2954Sends an ext reply to the client.
2955
2956=cut
2957
2958sub cf::client::ext_reply($$@) {
2959 my ($self, $id, @msg) = @_;
2960
2961 if ($self->extcmd == 2) {
2962 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963 } elsif ($self->extcmd == 1) {
2964 #TODO: version 1, remove
2965 unshift @msg, msgtype => "reply", msgid => $id;
2966 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967 }
2115} 2968}
2116 2969
2117=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
2118 2971
2119Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2973the 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>. 2974C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2975
2123Queries can fail, so check the return code. Or don't, as queries will become 2976Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2977become reliable at some point in the future.
2125 2978
2126=cut 2979=cut
2127 2980
2128sub cf::client::query { 2981sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 2990 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 2992
2140 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
2142} 2997}
2143 2998
2144cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
2145 on_reply => sub { 3005 on_reply => sub {
2146 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
2147 3007
2148 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
2149 # get handled first 3009 # get handled first
2161 } else { 3021 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3023 }
2164 } 3024 }
2165 }, 3025 },
3026 on_exticmd => sub {
3027 my ($ns, $buf) = @_;
3028
3029 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030
3031 if (ref $msg) {
3032 my ($type, $reply, @payload) =
3033 "ARRAY" eq ref $msg
3034 ? @$msg
3035 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036
3037 my @reply;
3038
3039 if (my $cb = $EXTICMD{$type}) {
3040 @reply = $cb->($ns, @payload);
3041 }
3042
3043 $ns->ext_reply ($reply, @reply)
3044 if $reply;
3045
3046 } else {
3047 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048 }
3049
3050 cf::override;
3051 },
2166); 3052);
2167 3053
2168=item $client->async (\&cb) 3054=item $client->async (\&cb)
2169 3055
2170Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2213 3099
2214$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2215 3101
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2217 3107
2218# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2219 3109
2220=pod 3110=pod
2221 3111
2222The following functions and methods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2223 3113
2224 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2225 cf::object::player player 3118 cf::object::player
2226 cf::player peaceful 3119 player
2227 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2228 3126
2229=cut 3127=cut
2230 3128
2231for ( 3129for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2233 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2236) { 3136) {
2237 no strict 'refs'; 3137 no strict 'refs';
2308=back 3208=back
2309 3209
2310=cut 3210=cut
2311 3211
2312############################################################################# 3212#############################################################################
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 $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3213# the server's init and main functions
2486 3214
2487sub load_facedata($) { 3215sub load_facedata($) {
2488 my ($path) = @_; 3216 my ($path) = @_;
3217
3218 # HACK to clear player env face cache, we need some signal framework
3219 # for this (global event?)
3220 %ext::player_env::MUSIC_FACE_CACHE = ();
3221
3222 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3223
2490 warn "loading facedata from $path\n"; 3224 warn "loading facedata from $path\n";
2491 3225
2492 my $facedata; 3226 my $facedata;
2493 0 < aio_load $path, $facedata 3227 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3230 $facedata = Coro::Storable::thaw $facedata;
2497 3231
2498 $facedata->{version} == 2 3232 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3233 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3234
3235 # patch in the exptable
3236 $facedata->{resource}{"res/exp_table"} = {
3237 type => FT_RSRC,
3238 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3239 };
3240 cf::cede_to_tick;
3241
2501 { 3242 {
2502 my $faces = $facedata->{faceinfo}; 3243 my $faces = $facedata->{faceinfo};
2503 3244
2504 while (my ($face, $info) = each %$faces) { 3245 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2506 warn "$face $info->{magicmap}\n" if $face =~ /obol/;#d# 3247
2507 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3248 cf::face::set_visibility $idx, $info->{visibility};
3249 cf::face::set_magicmap $idx, $info->{magicmap};
2508 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2509 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3251 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2510 Coro::cede; 3252
3253 cf::cede_to_tick;
2511 } 3254 }
2512 3255
2513 while (my ($face, $info) = each %$faces) { 3256 while (my ($face, $info) = each %$faces) {
2514 next unless $info->{smooth}; 3257 next unless $info->{smooth};
3258
2515 my $idx = cf::face::find $face 3259 my $idx = cf::face::find $face
2516 or next; 3260 or next;
3261
2517 if (my $smooth = cf::face::find $info->{smooth}) { 3262 if (my $smooth = cf::face::find $info->{smooth}) {
3263 cf::face::set_smooth $idx, $smooth;
2518 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3264 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519 } else { 3265 } else {
2520 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3266 warn "smooth face '$info->{smooth}' not found for face '$face'";
2521 } 3267 }
2522 Coro::cede; 3268
3269 cf::cede_to_tick;
2523 } 3270 }
2524 } 3271 }
2525 3272
2526 { 3273 {
2527 my $anims = $facedata->{animinfo}; 3274 my $anims = $facedata->{animinfo};
2528 3275
2529 while (my ($anim, $info) = each %$anims) { 3276 while (my ($anim, $info) = each %$anims) {
2530 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3277 cf::anim::set $anim, $info->{frames}, $info->{facings};
2531 Coro::cede; 3278 cf::cede_to_tick;
2532 } 3279 }
2533 3280
2534 cf::anim::invalidate_all; # d'oh 3281 cf::anim::invalidate_all; # d'oh
2535 } 3282 }
2536 3283
3284 {
3285 # TODO: for gcfclient pleasure, we should give resources
3286 # that gcfclient doesn't grok a >10000 face index.
3287 my $res = $facedata->{resource};
3288
3289 while (my ($name, $info) = each %$res) {
3290 if (defined $info->{type}) {
3291 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292 my $data;
3293
3294 if ($info->{type} & 1) {
3295 # prepend meta info
3296
3297 my $meta = $enc->encode ({
3298 name => $name,
3299 %{ $info->{meta} || {} },
3300 });
3301
3302 $data = pack "(w/a*)*", $meta, $info->{data};
3303 } else {
3304 $data = $info->{data};
3305 }
3306
3307 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308 cf::face::set_type $idx, $info->{type};
3309 } else {
3310 $RESOURCE{$name} = $info;
3311 }
3312
3313 cf::cede_to_tick;
3314 }
3315 }
3316
3317 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318
2537 1 3319 1
2538} 3320}
2539 3321
3322cf::global->attach (on_resource_update => sub {
3323 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327 my $sound = $soundconf->{compat}[$_]
3328 or next;
3329
3330 my $face = cf::face::find "sound/$sound->[1]";
3331 cf::sound::set $sound->[0] => $face;
3332 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333 }
3334
3335 while (my ($k, $v) = each %{$soundconf->{event}}) {
3336 my $face = cf::face::find "sound/$v";
3337 cf::sound::set $k => $face;
3338 }
3339 }
3340});
3341
3342register_exticmd fx_want => sub {
3343 my ($ns, $want) = @_;
3344
3345 while (my ($k, $v) = each %$want) {
3346 $ns->fx_want ($k, $v);
3347 }
3348};
3349
3350sub load_resource_file($) {
3351 my $guard = lock_acquire "load_resource_file";
3352
3353 my $status = load_resource_file_ $_[0];
3354 get_slot 0.1, 100;
3355 cf::arch::commit_load;
3356
3357 $status
3358}
3359
2540sub reload_regions { 3360sub reload_regions {
3361 # HACK to clear player env face cache, we need some signal framework
3362 # for this (global event?)
3363 %ext::player_env::MUSIC_FACE_CACHE = ();
3364
2541 load_resource_file "$MAPDIR/regions" 3365 load_resource_file "$MAPDIR/regions"
2542 or die "unable to load regions file\n"; 3366 or die "unable to load regions file\n";
3367
3368 for (cf::region::list) {
3369 $_->{match} = qr/$_->{match}/
3370 if exists $_->{match};
3371 }
2543} 3372}
2544 3373
2545sub reload_facedata { 3374sub reload_facedata {
2546 load_facedata "$DATADIR/facedata" 3375 load_facedata "$DATADIR/facedata"
2547 or die "unable to load facedata\n"; 3376 or die "unable to load facedata\n";
2558} 3387}
2559 3388
2560sub reload_resources { 3389sub reload_resources {
2561 warn "reloading resource files...\n"; 3390 warn "reloading resource files...\n";
2562 3391
2563 reload_regions;
2564 reload_facedata; 3392 reload_facedata;
2565 reload_archetypes; 3393 reload_archetypes;
3394 reload_regions;
2566 reload_treasures; 3395 reload_treasures;
2567 3396
2568 warn "finished reloading resource files\n"; 3397 warn "finished reloading resource files\n";
2569} 3398}
2570 3399
2571sub init { 3400sub init {
3401 my $guard = freeze_mainloop;
3402
2572 reload_resources; 3403 reload_resources;
2573} 3404}
2574 3405
2575sub cfg_load { 3406sub reload_config {
2576 open my $fh, "<:utf8", "$CONFDIR/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2577 or return; 3408 or return;
2578 3409
2579 local $/; 3410 local $/;
2580 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2581 3412
2582 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2583 3414
2584 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2596sub main { 3427sub main {
2597 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2598 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2599 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600 (async { 3431 (async {
2601 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2602 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2603 }; 3435 };
2604 3436
2605 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2606 db_init; 3440 db_init;
2607 load_extensions; 3441 load_extensions;
2608 3442
2609 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2610 Event::loop; 3446 EV::loop;
2611} 3447}
2612 3448
2613############################################################################# 3449#############################################################################
2614# initialisation and cleanup 3450# initialisation and cleanup
2615 3451
2616# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2617BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2618 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2619 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2620 reentrant => 0,
2621 data => WF_AUTOCANCEL,
2622 signal => $signal,
2623 prio => 0,
2624 cb => sub {
2625 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2626 },
2627 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2628 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2629} 3541}
2630 3542
2631sub emergency_save() { 3543sub emergency_save() {
2632 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2633 3545
2639 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2640 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2641 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2642 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2643 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644 $pl->save; 3557 $pl->save;
2645 } 3558 }
2646 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2647 3560
2648 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2654 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2655 3568
2656 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2657 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2658 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2659 }; 3576 };
2660 3577
2661 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2662} 3579}
2663 3580
2678 warn "reloading..."; 3595 warn "reloading...";
2679 3596
2680 warn "entering sync_job"; 3597 warn "entering sync_job";
2681 3598
2682 cf::sync_job { 3599 cf::sync_job {
2683 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2684 cf::emergency_save; 3601 cf::emergency_save;
2685 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2686 3603
2687 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2688 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2689 3606
2690 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2691
2692 warn "cancelling all WF_AUTOCANCEL watchers";
2693 for (Event::all_watchers) {
2694 $_->cancel if $_->data & WF_AUTOCANCEL;
2695 }
2696 3608
2697 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2698 for (;;) { 3610 for (;;) {
2699 BDB::flush; 3611 BDB::flush;
2700 IO::AIO::flush; 3612 IO::AIO::flush;
2701 Coro::cede; 3613 Coro::cede_notself;
2702 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2703 warn "iterate..."; 3615 warn "iterate...";
2704 } 3616 }
2705 3617
2706 ++$RELOAD; 3618 ++$RELOAD;
2710 %EXT_CORO = (); 3622 %EXT_CORO = ();
2711 3623
2712 warn "removing commands"; 3624 warn "removing commands";
2713 %COMMAND = (); 3625 %COMMAND = ();
2714 3626
2715 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2716 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2717 3630
2718 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2719 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2720 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2721 3634
2764 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2765 require cf; 3678 require cf;
2766 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2767 3680
2768 warn "loading config and database again"; 3681 warn "loading config and database again";
2769 cf::cfg_load; 3682 cf::reload_config;
2770 3683
2771 warn "loading extensions"; 3684 warn "loading extensions";
2772 cf::load_extensions; 3685 cf::load_extensions;
2773 3686
2774 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2781 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2782 3695
2783 1 3696 1
2784 } or do { 3697 } or do {
2785 warn $@; 3698 warn $@;
2786 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2787 exit 1;
2788 }; 3700 };
2789 3701
2790 warn "reloaded"; 3702 warn "reloaded";
2791}; 3703};
2792 3704
2794 3706
2795sub reload_perl() { 3707sub reload_perl() {
2796 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
2797 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
2798 3710
2799 $RELOAD_WATCHER ||= Event->timer ( 3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2800 reentrant => 0,
2801 after => 0,
2802 data => WF_AUTOCANCEL,
2803 cb => sub {
2804 do_reload_perl; 3712 do_reload_perl;
2805 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
2806 },
2807 ); 3714 };
2808} 3715}
2809 3716
2810register_command "reload" => sub { 3717register_command "reload" => sub {
2811 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2812 3719
2813 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2814 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
3722 async {
3723 $Coro::current->{desc} = "perl_reload";
2815 async { reload_perl }; 3724 reload_perl;
3725 };
2816 } 3726 }
2817}; 3727};
2818 3728
2819unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2820 3730
2822 3732
2823our @WAIT_FOR_TICK; 3733our @WAIT_FOR_TICK;
2824our @WAIT_FOR_TICK_BEGIN; 3734our @WAIT_FOR_TICK_BEGIN;
2825 3735
2826sub wait_for_tick { 3736sub wait_for_tick {
2827 return unless $TICK_WATCHER->is_active;
2828 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2829 3738
2830 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
2831 push @WAIT_FOR_TICK, $signal; 3740 push @WAIT_FOR_TICK, $signal;
2832 $signal->wait; 3741 $signal->wait;
2833} 3742}
2834 3743
2835sub wait_for_tick_begin { 3744sub wait_for_tick_begin {
2836 return unless $TICK_WATCHER->is_active;
2837 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2838 3746
2839 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2840 push @WAIT_FOR_TICK_BEGIN, $signal; 3748 push @WAIT_FOR_TICK_BEGIN, $signal;
2841 $signal->wait; 3749 $signal->wait;
2842} 3750}
2843 3751
2844 my $min = 1e6;#d# 3752sub tick {
2845 my $avg = 10;
2846$TICK_WATCHER = Event->timer (
2847 reentrant => 0,
2848 parked => 1,
2849 prio => 0,
2850 at => $NEXT_TICK || $TICK,
2851 data => WF_AUTOCANCEL,
2852 cb => sub {
2853 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2854 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2856 return; 3756 return;
2857 } 3757 }
2858 3758
2859 $NOW = $tick_start = Event::time;
2860
2861 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2862 3760
2863 0 && sync_job {#d# 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864 for(1..10) { 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865 my $t = Event::time; 3763 Coro::async_pool {
2866 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3764 $Coro::current->{desc} = "runtime saver";
2867 or die; 3765 write_runtime_sync
2868 3766 or warn "ERROR: unable to write runtime file: $!";
2869 $map->width (50);
2870 $map->height (50);
2871 $map->alloc;
2872 $map->_load_objects ("/tmp/x.map", 1);
2873 my $t = Event::time - $t;
2874
2875 #next unless $t < 0.0013;#d#
2876 if ($t < $min) {
2877 $min = $t;
2878 }
2879 $avg = $avg * 0.99 + $t * 0.01;
2880 }
2881 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882 exit 0;
2883 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884 }; 3767 };
3768 }
2885 3769
2886 $RUNTIME += $TICK;
2887 $NEXT_TICK += $TICK;
2888
2889 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890 $NEXT_RUNTIME_WRITE = $NOW + 10;
2891 Coro::async_pool {
2892 write_runtime
2893 or warn "ERROR: unable to write runtime file: $!";
2894 };
2895 }
2896
2897# my $AFTER = Event::time;
2898# warn $AFTER - $NOW;#d#
2899
2900 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901 $sig->send; 3771 $sig->send;
2902 } 3772 }
2903 while (my $sig = shift @WAIT_FOR_TICK) { 3773 while (my $sig = shift @WAIT_FOR_TICK) {
2904 $sig->send; 3774 $sig->send;
2905 } 3775 }
2906 3776
2907 $NOW = Event::time; 3777 $LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909 # if we are delayed by four ticks or more, skip them all
2910 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912 $TICK_WATCHER->at ($NEXT_TICK);
2913 $TICK_WATCHER->start;
2914
2915 $LOAD = ($NOW - $tick_start) / $TICK;
2916 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917 3779
2918 _post_tick; 3780 if (0) {
2919 3781 if ($NEXT_TICK) {
2920 3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
2921 }, 3786 }
2922); 3787}
2923 3788
2924{ 3789{
2925 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2926 $BDB_POLL_WATCHER = Event->io ( 3791
2927 reentrant => 0,
2928 fd => BDB::poll_fileno,
2929 poll => 'r',
2930 prio => 0,
2931 data => WF_AUTOCANCEL,
2932 cb => \&BDB::poll_cb,
2933 );
2934 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2935 3793 BDB::max_poll_reqs $TICK * 0.1;
2936 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2937 my $status;
2938 my $current = $Coro::current;
2939 (
2940 sub {
2941 $status = $!;
2942 $current->ready; undef $current;
2943 },
2944 sub {
2945 Coro::schedule while defined $current;
2946 $! = $status;
2947 },
2948 )
2949 };
2950 3795
2951 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2952 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953 3802
2954 cf::sync_job { 3803 cf::sync_job {
2955 eval { 3804 eval {
2956 BDB::db_env_open 3805 BDB::db_env_open
2957 $DB_ENV, 3806 $DB_ENV,
2959 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961 0666; 3810 0666;
2962 3811
2963 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966 $DB_ENV->set_lk_detect;
2967 }; 3813 };
2968 3814
2969 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2970 }; 3816 };
2971 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2972} 3828}
2973 3829
2974{ 3830{
3831 # configure IO::AIO
3832
2975 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2976
2977 undef $Coro::AIO::WATCHER;
2978 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2979 $AIO_POLL_WATCHER = Event->io ( 3835 #undef $AnyEvent::AIO::WATCHER;
2980 reentrant => 0,
2981 data => WF_AUTOCANCEL,
2982 fd => IO::AIO::poll_fileno,
2983 poll => 'r',
2984 prio => 6,
2985 cb => \&IO::AIO::poll_cb,
2986 );
2987} 3836}
2988 3837
2989my $_log_backtrace; 3838my $_log_backtrace;
2990 3839
2991sub _log_backtrace { 3840sub _log_backtrace {
2995 3844
2996 # limit the # of concurrent backtraces 3845 # limit the # of concurrent backtraces
2997 if ($_log_backtrace < 2) { 3846 if ($_log_backtrace < 2) {
2998 ++$_log_backtrace; 3847 ++$_log_backtrace;
2999 async { 3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3000 my @bt = fork_call { 3851 my @bt = fork_call {
3001 @addr = map { sprintf "%x", $_ } @addr; 3852 @addr = map { sprintf "%x", $_ } @addr;
3002 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004 or die "addr2line: $!"; 3855 or die "addr2line: $!";
3027# load additional modules 3878# load additional modules
3028use cf::pod; 3879use cf::pod;
3029 3880
3030END { cf::emergency_save } 3881END { cf::emergency_save }
3031 3882
3883evthread_start IO::AIO::poll_fileno;
3884
30321 38851
3033 3886

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