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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.443 by root, Sun Aug 31 10:05:26 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
15use Coro 3.61 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
24 50
51use JSON::XS 2.01 ();
25use BDB (); 52use BDB ();
26use Data::Dumper; 53use Data::Dumper;
27use Digest::MD5; 54use Digest::MD5;
28use Fcntl; 55use Fcntl;
29use YAML::Syck (); 56use YAML ();
30use IO::AIO 2.32 (); 57use IO::AIO ();
31use Time::HiRes; 58use Time::HiRes;
32use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
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 $pkg (qw(
197 cf::global cf::attachable 246 cf::global cf::attachable
198 cf::object cf::object::player 247 cf::object cf::object::player
199 cf::client cf::player 248 cf::client cf::player
200 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
201 cf::map cf::party cf::region 251 cf::party cf::region
202)) { 252)) {
203 no strict 'refs';
204 @{"safe::$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
1093 # no longer needed after getting rid of delete_package?
770 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771 1095
772 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
773 1097
774 @$registry = (); 1098 @$registry = ();
775 1099
790cf::attachable->attach ( 1114cf::attachable->attach (
791 prio => -1000000, 1115 prio => -1000000,
792 on_instantiate => sub { 1116 on_instantiate => sub {
793 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
794 1118
795 $data = from_json $data; 1119 $data = decode_json $data;
796 1120
797 for (@$data) { 1121 for (@$data) {
798 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
799 1123
800 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
816sub object_freezer_save { 1140sub object_freezer_save {
817 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
818 1142
819 sync_job { 1143 sync_job {
820 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
821 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
822 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
823 1148
824 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
826 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
828 close $fh; 1153 aio_close $fh;
829 1154
830 if (@$objs) { 1155 if (@$objs) {
831 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
833 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
835 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
836 close $fh; 1161 aio_close $fh;
837 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
838 } 1163 }
839 } else { 1164 } else {
840 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
841 } 1166 }
846 } 1171 }
847 } else { 1172 } else {
848 aio_unlink $filename; 1173 aio_unlink $filename;
849 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
850 } 1175 }
851 } 1176 };
852} 1177}
853 1178
854sub object_freezer_as_string { 1179sub object_freezer_as_string {
855 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
856 1181
868 or return; 1193 or return;
869 1194
870 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
871 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
872 or return; 1197 or return;
1198
873 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
874 } 1201 }
875 1202
1203 utf8::decode (my $decname = $filename);
876 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
877 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
878 return ($data, $av); 1207 ($data, $av)
879} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
880 1215
881############################################################################# 1216#############################################################################
882# command handling &c 1217# command handling &c
883 1218
884=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
897 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
898} 1233}
899 1234
900=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
901 1236
902Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
903 1242
904If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
905called. 1244called.
906 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
907=cut 1257=cut
908 1258
909sub register_extcmd { 1259sub register_extcmd {
910 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
911 1261
912 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
913} 1269}
914 1270
915cf::player->attach ( 1271cf::player->attach (
916 on_command => sub { 1272 on_command => sub {
917 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
926 cf::override; 1282 cf::override;
927 }, 1283 },
928 on_extcmd => sub { 1284 on_extcmd => sub {
929 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
930 1286
931 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932 1288
933 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
934 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
935 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
936 $pl->ext_reply ($msg->{msgid}, %reply);
937 }
938 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
939 } else { 1304 } else {
940 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941 } 1306 }
942 1307
943 cf::override; 1308 cf::override;
944 }, 1309 },
945); 1310);
946 1311
947sub load_extension {
948 my ($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 { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
982 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
983 next unless -r $ext; 1317 next unless -r $path;
984 eval { 1318
985 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
986 1 1375 }
987 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
988 } 1381 };
989} 1382}
990 1383
991############################################################################# 1384#############################################################################
992 1385
1386=back
1387
993=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
994 1389
995Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
996 1391
997=cut 1392=cut
1001use Coro::AIO; 1396use Coro::AIO;
1002 1397
1003=head3 cf::player 1398=head3 cf::player
1004 1399
1005=over 4 1400=over 4
1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1006 1415
1007=item cf::player::find $login 1416=item cf::player::find $login
1008 1417
1009Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
1010 1419
1046 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049 aio_unlink +(playerdir $login) . "/$login.pl"; 1458 aio_unlink +(playerdir $login) . "/$login.pl";
1050 1459
1051 my $pl = load_pl path $login 1460 my $f = new_from_file cf::object::thawer path $login
1052 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
1053 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1054 } 1469 }
1055 } 1470 }
1056} 1471}
1057 1472
1066 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1067 1482
1068 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1069 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1070 1485
1486 cf::get_slot 0.01;
1487
1071 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1072 Coro::cede; 1489 cf::cede_to_tick;
1073} 1490}
1074 1491
1075sub new($) { 1492sub new($) {
1076 my ($login) = @_; 1493 my ($login) = @_;
1077 1494
1083 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1084 1501
1085 $self 1502 $self
1086} 1503}
1087 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1088=item $pl->quit_character 1515=item $pl->quit_character
1089 1516
1090Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1091be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1092 1519
1096 my ($pl) = @_; 1523 my ($pl) = @_;
1097 1524
1098 my $name = $pl->ob->name; 1525 my $name = $pl->ob->name;
1099 1526
1100 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1101 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1102 1529
1103 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1104 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1105 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1106 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1107 1536
1108 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1109 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1145 or return []; 1574 or return [];
1146 1575
1147 my @logins; 1576 my @logins;
1148 1577
1149 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1150 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1152 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1153 1588
1154 utf8::decode $login; 1589 utf8::decode $login;
1155 push @logins, $login; 1590 push @logins, $login;
1156 } 1591 }
1157 1592
1184 } 1619 }
1185 1620
1186 \@paths 1621 \@paths
1187} 1622}
1188 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1628=cut
1629
1630sub expand_cfpod {
1631 my ($self, $pod) = @_;
1632
1633 my @nest = [qr<\G$>, undef, ""];
1634 my $xml;
1635
1636 for ($pod) {
1637 while () {
1638 if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639 $xml .= $1;
1640 } elsif (/\G\n(?=\S)/xgcs) {
1641 $xml .= " ";
1642 } elsif (/\G\n/xgcs) {
1643 $xml .= "\n";
1644 } elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645 my ($code, $delim) = ($1, scalar reverse $2);
1646 $delim =~ y/</>/; # delim now contains the stop sequence
1647 $delim = qr{\G\Q$delim};
1648
1649 my $cb;
1650
1651 if ($code eq "B") {
1652 $cb = sub { "<b>$_[0]</b>" };
1653 } elsif ($code eq "C") {
1654 $cb = sub { "<tt>$_[0]</tt>" };
1655 } elsif ($code eq "E") {
1656 $cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657 } elsif ($code eq "G") {
1658 $cb = sub {
1659 my ($male, $female) = split /\|/, $_[0];
1660 $self->gender ? $female : $male
1661 };
1662 } elsif ($code eq "H") {
1663 $cb = sub {
1664 (
1665 "<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667 "",
1668 )[$self->{hintmode}];
1669 };
1670 } elsif ($code eq "I") {
1671 $cb = sub { "<i>$_[0]</i>" };
1672 } elsif ($code eq "T") {
1673 $cb = sub { "<big><b>$_[0]</b></big>" };
1674 } elsif ($code eq "U") {
1675 $cb = sub { "<u>$_[0]</u>" };
1676 } elsif ($code eq "Z") {
1677 $cb = sub { };
1678 } else {
1679 die "FATAL error in expand_cfpod";
1680 }
1681
1682 push @nest, [$delim, $cb, $xml];
1683 undef $xml;
1684
1685 } elsif ($_ =~ /$nest[-1][0]/gcs) {
1686 my $nest = pop @nest;
1687
1688 if ($nest->[1]) {
1689 $xml = $nest->[2] . $nest->[1]->($xml);
1690 } else {
1691 last;
1692 }
1693 } elsif (/\G</xgcs) {
1694 $xml .= "&lt;";
1695 } elsif (/\G&/xgcs) {
1696 $xml .= "&amp;";
1697 } elsif (/\G>/xgcs) {
1698 $xml .= ">";
1699 } else {
1700 if ($pod =~ /\G(.+)/xgcs) {
1701 warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702 last;
1703 } else {
1704 warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705 return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706 }
1707 }
1708 }
1709 }
1710
1711 $xml
1712}
1713
1714sub hintmode {
1715 $_[0]{hintmode} = $_[1] if @_ > 1;
1716 $_[0]{hintmode}
1717}
1718
1189=item $player->ext_reply ($msgid, %msg) 1719=item $player->ext_reply ($msgid, @msg)
1190 1720
1191Sends an ext reply to the player. 1721Sends an ext reply to the player.
1192 1722
1193=cut 1723=cut
1194 1724
1195sub ext_reply($$%) { 1725sub ext_reply($$@) {
1196 my ($self, $id, %msg) = @_; 1726 my ($self, $id, @msg) = @_;
1197 1727
1198 $msg{msgid} = $id; 1728 $self->ns->ext_reply ($id, @msg)
1199
1200 $self->send ("ext " . cf::to_json \%msg);
1201} 1729}
1202 1730
1203=item $player->ext_event ($type, %msg) 1731=item $player->ext_msg ($type, @msg)
1204 1732
1205Sends an ext event to the client. 1733Sends an ext event to the client.
1206 1734
1207=cut 1735=cut
1208 1736
1209sub ext_event($$%) { 1737sub ext_msg($$@) {
1210 my ($self, $type, %msg) = @_; 1738 my ($self, $type, @msg) = @_;
1211 1739
1212 $self->ns->ext_event ($type, %msg); 1740 $self->ns->ext_msg ($type, @msg);
1213} 1741}
1214 1742
1215=head3 cf::region 1743=head3 cf::region
1216 1744
1217=over 4 1745=over 4
1220 1748
1221package cf::region; 1749package cf::region;
1222 1750
1223=item cf::region::find_by_path $path 1751=item cf::region::find_by_path $path
1224 1752
1225Tries to decuce the probable region for a map knowing only its path. 1753Tries to decuce the likely region for a map knowing only its path.
1226 1754
1227=cut 1755=cut
1228 1756
1229sub find_by_path($) { 1757sub find_by_path($) {
1230 my ($path) = @_; 1758 my ($path) = @_;
1231 1759
1232 my ($match, $specificity); 1760 my ($match, $specificity);
1233 1761
1234 for my $region (list) { 1762 for my $region (list) {
1235 if ($region->match && $path =~ $region->match) { 1763 if ($region->{match} && $path =~ $region->{match}) {
1236 ($match, $specificity) = ($region, $region->specificity) 1764 ($match, $specificity) = ($region, $region->specificity)
1237 if $region->specificity > $specificity; 1765 if $region->specificity > $specificity;
1238 } 1766 }
1239 } 1767 }
1240 1768
1261our $MAX_RESET = 3600; 1789our $MAX_RESET = 3600;
1262our $DEFAULT_RESET = 3000; 1790our $DEFAULT_RESET = 3000;
1263 1791
1264sub generate_random_map { 1792sub generate_random_map {
1265 my ($self, $rmp) = @_; 1793 my ($self, $rmp) = @_;
1794
1795 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796
1266 # mit "rum" bekleckern, nicht 1797 # mit "rum" bekleckern, nicht
1267 $self->_create_random_map ( 1798 $self->_create_random_map (
1268 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1799 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1800 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1801 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1304 my ($self, $merge) = @_; 1835 my ($self, $merge) = @_;
1305 1836
1306 # we have to keep some variables in memory intact 1837 # we have to keep some variables in memory intact
1307 local $self->{path}; 1838 local $self->{path};
1308 local $self->{load_path}; 1839 local $self->{load_path};
1309 local $self->{deny_save};
1310 local $self->{deny_reset};
1311 1840
1312 $self->SUPER::thawer_merge ($merge); 1841 $self->SUPER::thawer_merge ($merge);
1313} 1842}
1314 1843
1315sub normalise { 1844sub normalise {
1362 $self->init; # pass $1 etc. 1891 $self->init; # pass $1 etc.
1363 return $self; 1892 return $self;
1364 } 1893 }
1365 } 1894 }
1366 1895
1367 Carp::carp "unable to resolve path '$path' (base '$base')."; 1896 Carp::cluck "unable to resolve path '$path' (base '$base').";
1368 () 1897 ()
1369} 1898}
1370 1899
1371sub init { 1900sub init {
1372 my ($self) = @_; 1901 my ($self) = @_;
1394 1923
1395# the temporary/swap location 1924# the temporary/swap location
1396sub save_path { 1925sub save_path {
1397 my ($self) = @_; 1926 my ($self) = @_;
1398 1927
1399 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400 "$TMPDIR/$path.map" 1929 "$TMPDIR/$path.map"
1401} 1930}
1402 1931
1403# the unique path, undef == no special unique path 1932# the unique path, undef == no special unique path
1404sub uniq_path { 1933sub uniq_path {
1405 my ($self) = @_; 1934 my ($self) = @_;
1406 1935
1407 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1936 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408 "$UNIQUEDIR/$path" 1937 "$UNIQUEDIR/$path"
1409} 1938}
1410 1939
1411# and all this just because we cannot iterate over 1940# and all this just because we cannot iterate over
1412# all maps in C++... 1941# all maps in C++...
1415 1944
1416 $_->change_map_light ($change) 1945 $_->change_map_light ($change)
1417 for grep $_->outdoor, values %cf::MAP; 1946 for grep $_->outdoor, values %cf::MAP;
1418} 1947}
1419 1948
1949sub decay_objects {
1950 my ($self) = @_;
1951
1952 return if $self->{deny_reset};
1953
1954 $self->do_decay_objects;
1955}
1956
1420sub unlink_save { 1957sub unlink_save {
1421 my ($self) = @_; 1958 my ($self) = @_;
1422 1959
1423 utf8::encode (my $save = $self->save_path); 1960 utf8::encode (my $save = $self->save_path);
1424 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1961 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1427 1964
1428sub load_header_from($) { 1965sub load_header_from($) {
1429 my ($self, $path) = @_; 1966 my ($self, $path) = @_;
1430 1967
1431 utf8::encode $path; 1968 utf8::encode $path;
1432 #aio_open $path, O_RDONLY, 0 1969 my $f = new_from_file cf::object::thawer $path
1433 # or return;
1434
1435 $self->_load_header ($path)
1436 or return; 1970 or return;
1971
1972 $self->_load_header ($f)
1973 or return;
1974
1975 local $MAP_LOADING{$self->{path}} = $self;
1976 $f->resolve_delayed_derefs;
1437 1977
1438 $self->{load_path} = $path; 1978 $self->{load_path} = $path;
1439 1979
1440 1 1980 1
1441} 1981}
1480 $self->load_header_orig 2020 $self->load_header_orig
1481 or return; 2021 or return;
1482 $self->prepare_orig; 2022 $self->prepare_orig;
1483 } 2023 }
1484 2024
2025 $self->{deny_reset} = 1
2026 if $self->no_reset;
2027
1485 $self->default_region (cf::region::find_by_path $self->{path}) 2028 $self->default_region (cf::region::find_by_path $self->{path})
1486 unless $self->default_region; 2029 unless $self->default_region;
1487 2030
1488 1 2031 1
1489} 2032}
1492sub find { 2035sub find {
1493 my ($path, $origin) = @_; 2036 my ($path, $origin) = @_;
1494 2037
1495 $path = normalise $path, $origin && $origin->path; 2038 $path = normalise $path, $origin && $origin->path;
1496 2039
2040 cf::lock_wait "map_data:$path";#d#remove
1497 cf::lock_wait "map_find:$path"; 2041 cf::lock_wait "map_find:$path";
1498 2042
1499 $cf::MAP{$path} || do { 2043 $cf::MAP{$path} || do {
2044 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1500 my $guard = cf::lock_acquire "map_find:$path"; 2045 my $guard2 = cf::lock_acquire "map_find:$path";
2046
1501 my $map = new_from_path cf::map $path 2047 my $map = new_from_path cf::map $path
1502 or return; 2048 or return;
1503 2049
1504 $map->{last_save} = $cf::RUNTIME; 2050 $map->{last_save} = $cf::RUNTIME;
1505 2051
1506 $map->load_header 2052 $map->load_header
1507 or return; 2053 or return;
1508 2054
1509 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2055 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510 # doing this can freeze the server in a sync job, obviously 2056 # doing this can freeze the server in a sync job, obviously
1511 #$cf::WAIT_FOR_TICK->wait; 2057 #$cf::WAIT_FOR_TICK->wait;
2058 undef $guard2;
2059 undef $guard1;
1512 $map->reset; 2060 $map->reset;
1513 undef $guard;
1514 return find $path; 2061 return find $path;
1515 } 2062 }
1516 2063
1517 $cf::MAP{$path} = $map 2064 $cf::MAP{$path} = $map
1518 } 2065 }
1527 local $self->{deny_reset} = 1; # loading can take a long time 2074 local $self->{deny_reset} = 1; # loading can take a long time
1528 2075
1529 my $path = $self->{path}; 2076 my $path = $self->{path};
1530 2077
1531 { 2078 {
1532 my $guard = cf::lock_acquire "map_load:$path"; 2079 my $guard = cf::lock_acquire "map_data:$path";
1533 2080
2081 return unless $self->valid;
1534 return if $self->in_memory != cf::MAP_SWAPPED; 2082 return unless $self->in_memory == cf::MAP_SWAPPED;
1535 2083
1536 $self->in_memory (cf::MAP_LOADING); 2084 $self->in_memory (cf::MAP_LOADING);
1537 2085
1538 $self->alloc; 2086 $self->alloc;
1539 2087
1540 $self->pre_load; 2088 $self->pre_load;
1541 Coro::cede; 2089 cf::cede_to_tick;
1542 2090
2091 my $f = new_from_file cf::object::thawer $self->{load_path};
2092 $f->skip_block;
1543 $self->_load_objects ($self->{load_path}, 1) 2093 $self->_load_objects ($f)
1544 or return; 2094 or return;
1545 2095
1546 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2096 $self->post_load_original
1547 if delete $self->{load_original}; 2097 if delete $self->{load_original};
1548 2098
1549 if (my $uniq = $self->uniq_path) { 2099 if (my $uniq = $self->uniq_path) {
1550 utf8::encode $uniq; 2100 utf8::encode $uniq;
1551 if (aio_open $uniq, O_RDONLY, 0) { 2101 unless (aio_stat $uniq) {
2102 if (my $f = new_from_file cf::object::thawer $uniq) {
1552 $self->clear_unique_items; 2103 $self->clear_unique_items;
1553 $self->_load_objects ($uniq, 0); 2104 $self->_load_objects ($f);
2105 $f->resolve_delayed_derefs;
2106 }
1554 } 2107 }
1555 } 2108 }
1556 2109
1557 Coro::cede; 2110 $f->resolve_delayed_derefs;
2111
2112 cf::cede_to_tick;
1558 # now do the right thing for maps 2113 # now do the right thing for maps
1559 $self->link_multipart_objects; 2114 $self->link_multipart_objects;
1560 $self->difficulty ($self->estimate_difficulty) 2115 $self->difficulty ($self->estimate_difficulty)
1561 unless $self->difficulty; 2116 unless $self->difficulty;
1562 Coro::cede; 2117 cf::cede_to_tick;
1563 2118
1564 unless ($self->{deny_activate}) { 2119 unless ($self->{deny_activate}) {
1565 $self->decay_objects; 2120 $self->decay_objects;
1566 $self->fix_auto_apply; 2121 $self->fix_auto_apply;
1567 $self->update_buttons; 2122 $self->update_buttons;
1568 Coro::cede; 2123 cf::cede_to_tick;
1569 $self->set_darkness_map; 2124 $self->set_darkness_map;
1570 Coro::cede; 2125 cf::cede_to_tick;
1571 $self->activate; 2126 $self->activate;
1572 } 2127 }
1573 2128
2129 $self->{last_save} = $cf::RUNTIME;
2130 $self->last_access ($cf::RUNTIME);
2131
1574 $self->in_memory (cf::MAP_IN_MEMORY); 2132 $self->in_memory (cf::MAP_ACTIVE);
1575 } 2133 }
1576 2134
1577 $self->post_load; 2135 $self->post_load;
1578} 2136}
1579 2137
1581 my ($self, $ob) = @_; 2139 my ($self, $ob) = @_;
1582 2140
1583 return find "~" . $ob->name . "/" . $self->{path} 2141 return find "~" . $ob->name . "/" . $self->{path}
1584 if $self->per_player; 2142 if $self->per_player;
1585 2143
2144# return find "?party/" . $ob->name . "/" . $self->{path}
2145# if $self->per_party;
2146
1586 $self 2147 $self
1587} 2148}
1588 2149
1589# find and load all maps in the 3x3 area around a map 2150# find and load all maps in the 3x3 area around a map
1590sub load_diag { 2151sub load_neighbours {
1591 my ($map) = @_; 2152 my ($map) = @_;
1592 2153
1593 my @diag; # diagonal neighbours 2154 my @neigh; # diagonal neighbours
1594 2155
1595 for (0 .. 3) { 2156 for (0 .. 3) {
1596 my $neigh = $map->tile_path ($_) 2157 my $neigh = $map->tile_path ($_)
1597 or next; 2158 or next;
1598 $neigh = find $neigh, $map 2159 $neigh = find $neigh, $map
1599 or next; 2160 or next;
1600 $neigh->load; 2161 $neigh->load;
1601 2162
2163 push @neigh,
1602 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2164 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2165 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1604 } 2166 }
1605 2167
1606 for (@diag) { 2168 for (grep defined $_->[0], @neigh) {
2169 my ($path, $origin) = @$_;
1607 my $neigh = find @$_ 2170 my $neigh = find $path, $origin
1608 or next; 2171 or next;
1609 $neigh->load; 2172 $neigh->load;
1610 } 2173 }
1611} 2174}
1612 2175
1617} 2180}
1618 2181
1619sub do_load_sync { 2182sub do_load_sync {
1620 my ($map) = @_; 2183 my ($map) = @_;
1621 2184
2185 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2186 if $Coro::current == $Coro::main;
2187
1622 cf::sync_job { $map->load }; 2188 cf::sync_job { $map->load };
1623} 2189}
1624 2190
1625our %MAP_PREFETCH; 2191our %MAP_PREFETCH;
1626our $MAP_PREFETCHER = undef; 2192our $MAP_PREFETCHER = undef;
1627 2193
1628sub find_async { 2194sub find_async {
1629 my ($path, $origin) = @_; 2195 my ($path, $origin, $load) = @_;
1630 2196
1631 $path = normalise $path, $origin && $origin->{path}; 2197 $path = normalise $path, $origin && $origin->{path};
1632 2198
1633 if (my $map = $cf::MAP{$path}) { 2199 if (my $map = $cf::MAP{$path}) {
1634 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2200 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1635 } 2201 }
1636 2202
1637 undef $MAP_PREFETCH{$path}; 2203 $MAP_PREFETCH{$path} |= $load;
2204
1638 $MAP_PREFETCHER ||= cf::async { 2205 $MAP_PREFETCHER ||= cf::async {
2206 $Coro::current->{desc} = "map prefetcher";
2207
1639 while (%MAP_PREFETCH) { 2208 while (%MAP_PREFETCH) {
1640 for my $path (keys %MAP_PREFETCH) { 2209 while (my ($k, $v) = each %MAP_PREFETCH) {
1641 my $map = find $path 2210 if (my $map = find $k) {
1642 or next;
1643 $map->load; 2211 $map->load if $v;
2212 }
1644 2213
1645 delete $MAP_PREFETCH{$path}; 2214 delete $MAP_PREFETCH{$k};
1646 } 2215 }
1647 } 2216 }
1648 undef $MAP_PREFETCHER; 2217 undef $MAP_PREFETCHER;
1649 }; 2218 };
1650 $MAP_PREFETCHER->prio (6); 2219 $MAP_PREFETCHER->prio (6);
1653} 2222}
1654 2223
1655sub save { 2224sub save {
1656 my ($self) = @_; 2225 my ($self) = @_;
1657 2226
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2228
1660 $self->{last_save} = $cf::RUNTIME; 2229 $self->{last_save} = $cf::RUNTIME;
1661 2230
1662 return unless $self->dirty; 2231 return unless $self->dirty;
1663 2232
1669 return if $self->{deny_save}; 2238 return if $self->{deny_save};
1670 2239
1671 local $self->{last_access} = $self->last_access;#d# 2240 local $self->{last_access} = $self->last_access;#d#
1672 2241
1673 cf::async { 2242 cf::async {
2243 $Coro::current->{desc} = "map player save";
1674 $_->contr->save for $self->players; 2244 $_->contr->save for $self->players;
1675 }; 2245 };
2246
2247 cf::get_slot 0.02;
1676 2248
1677 if ($uniq) { 2249 if ($uniq) {
1678 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2250 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2251 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1680 } else { 2252 } else {
1686 my ($self) = @_; 2258 my ($self) = @_;
1687 2259
1688 # save first because save cedes 2260 # save first because save cedes
1689 $self->save; 2261 $self->save;
1690 2262
1691 my $lock = cf::lock_acquire "map_data:" . $self->path; 2263 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2264
1693 return if $self->players; 2265 return if $self->players;
1694 return if $self->in_memory != cf::MAP_IN_MEMORY; 2266 return if $self->in_memory != cf::MAP_ACTIVE;
1695 return if $self->{deny_save}; 2267 return if $self->{deny_save};
1696 2268
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 $self->deactivate;
2272 $_->clear_links_to ($self) for values %cf::MAP;
1697 $self->clear; 2273 $self->clear;
1698 $self->in_memory (cf::MAP_SWAPPED);
1699} 2274}
1700 2275
1701sub reset_at { 2276sub reset_at {
1702 my ($self) = @_; 2277 my ($self) = @_;
1703 2278
1704 # TODO: safety, remove and allow resettable per-player maps 2279 # 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}; 2280 return 1e99 if $self->{deny_reset};
1707 2281
1708 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2282 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2283 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710 2284
1721 my ($self) = @_; 2295 my ($self) = @_;
1722 2296
1723 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2297 my $lock = cf::lock_acquire "map_data:$self->{path}";
1724 2298
1725 return if $self->players; 2299 return if $self->players;
1726 return if $self->isa ("ext::map_per_player");#d#
1727 2300
1728 warn "resetting map ", $self->path;#d# 2301 warn "resetting map ", $self->path;
1729 2302
1730 $self->in_memory (cf::MAP_SWAPPED); 2303 $self->in_memory (cf::MAP_SWAPPED);
1731 2304
1732 # need to save uniques path 2305 # need to save uniques path
1733 unless ($self->{deny_save}) { 2306 unless ($self->{deny_save}) {
1737 if $uniq; 2310 if $uniq;
1738 } 2311 }
1739 2312
1740 delete $cf::MAP{$self->path}; 2313 delete $cf::MAP{$self->path};
1741 2314
2315 $self->deactivate;
2316 $_->clear_links_to ($self) for values %cf::MAP;
1742 $self->clear; 2317 $self->clear;
1743
1744 $_->clear_links_to ($self) for values %cf::MAP;
1745 2318
1746 $self->unlink_save; 2319 $self->unlink_save;
1747 $self->destroy; 2320 $self->destroy;
1748} 2321}
1749 2322
1750my $nuke_counter = "aaaa"; 2323my $nuke_counter = "aaaa";
1751 2324
1752sub nuke { 2325sub nuke {
1753 my ($self) = @_; 2326 my ($self) = @_;
1754 2327
2328 {
2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
2330
1755 delete $cf::MAP{$self->path}; 2331 delete $cf::MAP{$self->path};
1756 2332
1757 $self->unlink_save; 2333 $self->unlink_save;
1758 2334
1759 bless $self, "cf::map"; 2335 bless $self, "cf::map";
1760 delete $self->{deny_reset}; 2336 delete $self->{deny_reset};
1761 $self->{deny_save} = 1; 2337 $self->{deny_save} = 1;
1762 $self->reset_timeout (1); 2338 $self->reset_timeout (1);
1763 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2339 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764 2340
1765 $cf::MAP{$self->path} = $self; 2341 $cf::MAP{$self->path} = $self;
2342 }
1766 2343
1767 $self->reset; # polite request, might not happen 2344 $self->reset; # polite request, might not happen
2345}
2346
2347=item $maps = cf::map::tmp_maps
2348
2349Returns an arrayref with all map paths of currently instantiated and saved
2350maps. May block.
2351
2352=cut
2353
2354sub tmp_maps() {
2355 [
2356 map {
2357 utf8::decode $_;
2358 /\.map$/
2359 ? normalise $_
2360 : ()
2361 } @{ aio_readdir $TMPDIR or [] }
2362 ]
2363}
2364
2365=item $maps = cf::map::random_maps
2366
2367Returns an arrayref with all map paths of currently instantiated and saved
2368random maps. May block.
2369
2370=cut
2371
2372sub random_maps() {
2373 [
2374 map {
2375 utf8::decode $_;
2376 /\.map$/
2377 ? normalise "?random/$_"
2378 : ()
2379 } @{ aio_readdir $RANDOMDIR or [] }
2380 ]
1768} 2381}
1769 2382
1770=item cf::map::unique_maps 2383=item cf::map::unique_maps
1771 2384
1772Returns an arrayref of paths of all shared maps that have 2385Returns an arrayref of paths of all shared maps that have
1773instantiated unique items. May block. 2386instantiated unique items. May block.
1774 2387
1775=cut 2388=cut
1776 2389
1777sub unique_maps() { 2390sub unique_maps() {
1778 my $files = aio_readdir $UNIQUEDIR 2391 [
1779 or return; 2392 map {
1780
1781 my @paths;
1782
1783 for (@$files) {
1784 utf8::decode $_; 2393 utf8::decode $_;
1785 next if /\.pst$/; 2394 s/\.map$//; # TODO future compatibility hack
1786 next unless /^$PATH_SEP/o; 2395 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787 2396 ? ()
1788 push @paths, cf::map::normalise $_; 2397 : normalise $_
2398 } @{ aio_readdir $UNIQUEDIR or [] }
1789 } 2399 ]
1790
1791 \@paths
1792} 2400}
1793
1794package cf;
1795 2401
1796=back 2402=back
1797 2403
1798=head3 cf::object 2404=head3 cf::object
1799 2405
1803 2409
1804=over 4 2410=over 4
1805 2411
1806=item $ob->inv_recursive 2412=item $ob->inv_recursive
1807 2413
1808Returns the inventory of the object _and_ their inventories, recursively. 2414Returns the inventory of the object I<and> their inventories, recursively,
2415but I<not> the object itself.
1809 2416
1810=cut 2417=cut
1811 2418
1812sub inv_recursive_; 2419sub inv_recursive_;
1813sub inv_recursive_ { 2420sub inv_recursive_ {
1816 2423
1817sub inv_recursive { 2424sub inv_recursive {
1818 inv_recursive_ inv $_[0] 2425 inv_recursive_ inv $_[0]
1819} 2426}
1820 2427
2428=item $ref = $ob->ref
2429
2430Creates and returns a persistent reference to an object that can be stored as a string.
2431
2432=item $ob = cf::object::deref ($refstring)
2433
2434returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2435even if the object actually exists. May block.
2436
2437=cut
2438
2439sub deref {
2440 my ($ref) = @_;
2441
2442 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2443 my ($uuid, $name) = ($1, $2);
2444 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2445 or return;
2446 $pl->ob->uuid eq $uuid
2447 or return;
2448
2449 $pl->ob
2450 } else {
2451 warn "$ref: cannot resolve object reference\n";
2452 undef
2453 }
2454}
2455
1821package cf; 2456package cf;
1822 2457
1823=back 2458=back
1824 2459
1825=head3 cf::object::player 2460=head3 cf::object::player
1831Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2466Sends 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 2467can be C<undef>. Does the right thing when the player is currently in a
1833dialogue with the given NPC character. 2468dialogue with the given NPC character.
1834 2469
1835=cut 2470=cut
2471
2472our $SAY_CHANNEL = {
2473 id => "say",
2474 title => "Map",
2475 reply => "say ",
2476 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2477};
2478
2479our $CHAT_CHANNEL = {
2480 id => "chat",
2481 title => "Chat",
2482 reply => "chat ",
2483 tooltip => "Player chat and shouts, global to the server.",
2484};
1836 2485
1837# rough implementation of a future "reply" method that works 2486# rough implementation of a future "reply" method that works
1838# with dialog boxes. 2487# with dialog boxes.
1839#TODO: the first argument must go, split into a $npc->reply_to ( method 2488#TODO: the first argument must go, split into a $npc->reply_to ( method
1840sub cf::object::player::reply($$$;$) { 2489sub cf::object::player::reply($$$;$) {
1842 2491
1843 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2492 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844 2493
1845 if ($self->{record_replies}) { 2494 if ($self->{record_replies}) {
1846 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2495 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2496
1847 } else { 2497 } else {
2498 my $pl = $self->contr;
2499
2500 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2501 my $dialog = $pl->{npc_dialog};
2502 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2503
2504 } else {
1848 $msg = $npc->name . " says: $msg" if $npc; 2505 $msg = $npc->name . " says: $msg" if $npc;
1849 $self->message ($msg, $flags); 2506 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2507 }
1850 } 2508 }
2509}
2510
2511=item $object->send_msg ($channel, $msg, $color, [extra...])
2512
2513=cut
2514
2515sub cf::object::send_msg {
2516 my $pl = shift->contr
2517 or return;
2518 $pl->send_msg (@_);
1851} 2519}
1852 2520
1853=item $player_object->may ("access") 2521=item $player_object->may ("access")
1854 2522
1855Returns wether the given player is authorized to access resource "access" 2523Returns wether the given player is authorized to access resource "access"
1934 # use -1 or undef as default coordinates, not 0, 0 2602 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2603 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2604 if $x <=0 && $y <= 0;
1937 2605
1938 $map->load; 2606 $map->load;
1939 $map->load_diag; 2607 $map->load_neighbours;
1940 2608
1941 return unless $self->contr->active; 2609 return unless $self->contr->active;
1942 $self->activate_recursive; 2610 $self->activate_recursive;
1943 2611
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2612 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2613 $self->enter_map ($map, $x, $y);
1946} 2614}
1947 2615
1948=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2616=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1949 2617
1950Moves the player to the given map-path and coordinates by first freezing 2618Moves the player to the given map-path and coordinates by first freezing
1951her, loading and preparing them map, calling the provided $check callback 2619her, loading and preparing them map, calling the provided $check callback
1952that has to return the map if sucecssful, and then unfreezes the player on 2620that has to return the map if sucecssful, and then unfreezes the player on
1953the new (success) or old (failed) map position. 2621the new (success) or old (failed) map position. In either case, $done will
2622be called at the end of this process.
2623
2624Note that $check will be called with a potentially non-loaded map, so if
2625it needs a loaded map it has to call C<< ->load >>.
1954 2626
1955=cut 2627=cut
1956 2628
1957our $GOTOGEN; 2629our $GOTOGEN;
1958 2630
1959sub cf::object::player::goto { 2631sub cf::object::player::goto {
1960 my ($self, $path, $x, $y, $check) = @_; 2632 my ($self, $path, $x, $y, $check, $done) = @_;
1961 2633
1962 # do generation counting so two concurrent goto's will be executed in-order 2634 # do generation counting so two concurrent goto's will be executed in-order
1963 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2635 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964 2636
1965 $self->enter_link; 2637 $self->enter_link;
1966 2638
1967 (async { 2639 (async {
2640 $Coro::current->{desc} = "player::goto $path $x $y";
2641
2642 # *tag paths override both path and x|y
2643 if ($path =~ /^\*(.*)$/) {
2644 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2645 my $ob = $obs[rand @obs];
2646
2647 # see if we actually can go there
2648 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2649 $ob = $obs[rand @obs];
2650 } else {
2651 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2652 }
2653 # else put us there anyways for now #d#
2654
2655 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2656 } else {
2657 ($path, $x, $y) = (undef, undef, undef);
2658 }
2659 }
2660
1968 my $map = eval { 2661 my $map = eval {
1969 my $map = cf::map::find $path; 2662 my $map = defined $path ? cf::map::find $path : undef;
1970 2663
1971 if ($map) { 2664 if ($map) {
1972 $map = $map->customise_for ($self); 2665 $map = $map->customise_for ($self);
1973 $map = $check->($map) if $check && $map; 2666 $map = $check->($map) if $check && $map;
1974 } else { 2667 } else {
1975 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2668 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976 } 2669 }
1977 2670
1978 $map 2671 $map
1979 }; 2672 };
1980 2673
1985 2678
1986 if ($gen == $self->{_goto_generation}) { 2679 if ($gen == $self->{_goto_generation}) {
1987 delete $self->{_goto_generation}; 2680 delete $self->{_goto_generation};
1988 $self->leave_link ($map, $x, $y); 2681 $self->leave_link ($map, $x, $y);
1989 } 2682 }
2683
2684 $done->() if $done;
1990 })->prio (1); 2685 })->prio (1);
1991} 2686}
1992 2687
1993=item $player_object->enter_exit ($exit_object) 2688=item $player_object->enter_exit ($exit_object)
1994 2689
2014} 2709}
2015 2710
2016sub prepare_random_map { 2711sub prepare_random_map {
2017 my ($exit) = @_; 2712 my ($exit) = @_;
2018 2713
2019 my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021 # all this does is basically replace the /! path by 2714 # all this does is basically replace the /! path by
2022 # a new random map path (?random/...) with a seed 2715 # a new random map path (?random/...) with a seed
2023 # that depends on the exit object 2716 # that depends on the exit object
2024 2717
2025 my $rmp = parse_random_map_params $exit->msg; 2718 my $rmp = parse_random_map_params $exit->msg;
2027 if ($exit->map) { 2720 if ($exit->map) {
2028 $rmp->{region} = $exit->region->name; 2721 $rmp->{region} = $exit->region->name;
2029 $rmp->{origin_map} = $exit->map->path; 2722 $rmp->{origin_map} = $exit->map->path;
2030 $rmp->{origin_x} = $exit->x; 2723 $rmp->{origin_x} = $exit->x;
2031 $rmp->{origin_y} = $exit->y; 2724 $rmp->{origin_y} = $exit->y;
2725
2726 $exit->map->touch;
2032 } 2727 }
2033 2728
2034 $rmp->{random_seed} ||= $exit->random_seed; 2729 $rmp->{random_seed} ||= $exit->random_seed;
2035 2730
2036 my $data = cf::to_json $rmp; 2731 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037 my $md5 = Digest::MD5::md5_hex $data; 2732 my $md5 = Digest::MD5::md5_hex $data;
2038 my $meta = "$RANDOMDIR/$md5.meta"; 2733 my $meta = "$RANDOMDIR/$md5.meta";
2039 2734
2040 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2735 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041 aio_write $fh, 0, (length $data), $data, 0; 2736 aio_write $fh, 0, (length $data), $data, 0;
2042 undef $fh; 2737 undef $fh;
2043 aio_rename "$meta~", $meta; 2738 aio_rename "$meta~", $meta;
2044 2739
2740 my $slaying = "?random/$md5";
2741
2742 if ($exit->valid) {
2045 $exit->slaying ("?random/$md5"); 2743 $exit->slaying ("?random/$md5");
2046 $exit->msg (undef); 2744 $exit->msg (undef);
2745 }
2047 } 2746 }
2048} 2747}
2049 2748
2050sub cf::object::player::enter_exit { 2749sub cf::object::player::enter_exit {
2051 my ($self, $exit) = @_; 2750 my ($self, $exit) = @_;
2052 2751
2053 return unless $self->type == cf::PLAYER; 2752 return unless $self->type == cf::PLAYER;
2054 2753
2055 if ($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; 2754 $self->enter_link;
2067 2755
2068 (async { 2756 (async {
2069 $self->deactivate_recursive; # just to be sure 2757 $Coro::current->{desc} = "enter_exit";
2758
2070 unless (eval { 2759 unless (eval {
2760 $self->deactivate_recursive; # just to be sure
2761
2762 # random map handling
2763 {
2764 my $guard = cf::lock_acquire "exit_prepare:$exit";
2765
2766 prepare_random_map $exit
2767 if $exit->slaying eq "/!";
2768 }
2769
2770 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2771 my $x = $exit->stats->hp;
2772 my $y = $exit->stats->sp;
2773
2071 $self->goto ($slaying, $hp, $sp); 2774 $self->goto ($map, $x, $y);
2072 2775
2776 # if exit is damned, update players death & WoR home-position
2777 $self->contr->savebed ($map, $x, $y)
2778 if $exit->flag (cf::FLAG_DAMNED);
2779
2073 1; 2780 1
2074 }) { 2781 }) {
2075 $self->message ("Something went wrong deep within the crossfire server. " 2782 $self->message ("Something went wrong deep within the crossfire server. "
2076 . "I'll try to bring you back to the map you were before. " 2783 . "I'll try to bring you back to the map you were before. "
2077 . "Please report this to the dungeon master!", 2784 . "Please report this to the dungeon master!",
2078 cf::NDI_UNIQUE | cf::NDI_RED); 2785 cf::NDI_UNIQUE | cf::NDI_RED);
2099 2806
2100 utf8::encode $text; 2807 utf8::encode $text;
2101 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2808 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2102} 2809}
2103 2810
2811=item $client->send_msg ($channel, $msg, $color, [extra...])
2812
2813Send a drawinfo or msg packet to the client, formatting the msg for the
2814client if neccessary. C<$type> should be a string identifying the type of
2815the message, with C<log> being the default. If C<$color> is negative, suppress
2816the message unless the client supports the msg packet.
2817
2818=cut
2819
2820# non-persistent channels (usually the info channel)
2821our %CHANNEL = (
2822 "c/identify" => {
2823 id => "infobox",
2824 title => "Identify",
2825 reply => undef,
2826 tooltip => "Items recently identified",
2827 },
2828 "c/examine" => {
2829 id => "infobox",
2830 title => "Examine",
2831 reply => undef,
2832 tooltip => "Signs and other items you examined",
2833 },
2834 "c/book" => {
2835 id => "infobox",
2836 title => "Book",
2837 reply => undef,
2838 tooltip => "The contents of a note or book",
2839 },
2840 "c/lookat" => {
2841 id => "infobox",
2842 title => "Look",
2843 reply => undef,
2844 tooltip => "What you saw there",
2845 },
2846 "c/who" => {
2847 id => "infobox",
2848 title => "Players",
2849 reply => undef,
2850 tooltip => "Shows players who are currently online",
2851 },
2852 "c/body" => {
2853 id => "infobox",
2854 title => "Body Parts",
2855 reply => undef,
2856 tooltip => "Shows which body parts you posess and are available",
2857 },
2858 "c/uptime" => {
2859 id => "infobox",
2860 title => "Uptime",
2861 reply => undef,
2862 tooltip => "How long the server has been running since last restart",
2863 },
2864 "c/mapinfo" => {
2865 id => "infobox",
2866 title => "Map Info",
2867 reply => undef,
2868 tooltip => "Information related to the maps",
2869 },
2870 "c/party" => {
2871 id => "party",
2872 title => "Party",
2873 reply => "gsay ",
2874 tooltip => "Messages and chat related to your party",
2875 },
2876);
2877
2878sub cf::client::send_msg {
2879 my ($self, $channel, $msg, $color, @extra) = @_;
2880
2881 $msg = $self->pl->expand_cfpod ($msg);
2882
2883 $color &= cf::NDI_CLIENT_MASK; # just in case...
2884
2885 # check predefined channels, for the benefit of C
2886 if ($CHANNEL{$channel}) {
2887 $channel = $CHANNEL{$channel};
2888
2889 $self->ext_msg (channel_info => $channel)
2890 if $self->can_msg;
2891
2892 $channel = $channel->{id};
2893
2894 } elsif (ref $channel) {
2895 # send meta info to client, if not yet sent
2896 unless (exists $self->{channel}{$channel->{id}}) {
2897 $self->{channel}{$channel->{id}} = $channel;
2898 $self->ext_msg (channel_info => $channel)
2899 if $self->can_msg;
2900 }
2901
2902 $channel = $channel->{id};
2903 }
2904
2905 return unless @extra || length $msg;
2906
2907 if ($self->can_msg) {
2908 # default colour, mask it out
2909 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910 if $color & cf::NDI_DEF;
2911
2912 my $pkt = "msg "
2913 . $self->{json_coder}->encode (
2914 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2915 );
2916
2917 # try lzf for large packets
2918 $pkt = "lzf " . Compress::LZF::compress $pkt
2919 if 1024 <= length $pkt and $self->{can_lzf};
2920
2921 # split very large packets
2922 if (8192 < length $pkt and $self->{can_lzf}) {
2923 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2924 $pkt = "frag";
2925 }
2926
2927 $self->send_packet ($pkt);
2928 } else {
2929 if ($color >= 0) {
2930 # replace some tags by gcfclient-compatible ones
2931 for ($msg) {
2932 1 while
2933 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2934 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2935 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2936 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2937 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2938 }
2939
2940 $color &= cf::NDI_COLOR_MASK;
2941
2942 utf8::encode $msg;
2943
2944 if (0 && $msg =~ /\[/) {
2945 # COMMAND/INFO
2946 $self->send_packet ("drawextinfo $color 10 8 $msg")
2947 } else {
2948 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2949 $self->send_packet ("drawinfo $color $msg")
2950 }
2951 }
2952 }
2953}
2954
2104=item $client->ext_event ($type, %msg) 2955=item $client->ext_msg ($type, @msg)
2105 2956
2106Sends an exti event to the client. 2957Sends an ext event to the client.
2107 2958
2108=cut 2959=cut
2109 2960
2110sub cf::client::ext_event($$%) { 2961sub cf::client::ext_msg($$@) {
2111 my ($self, $type, %msg) = @_; 2962 my ($self, $type, @msg) = @_;
2112 2963
2964 if ($self->extcmd == 2) {
2965 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2966 } elsif ($self->extcmd == 1) { # TODO: remove
2113 $msg{msgtype} = "event_$type"; 2967 push @msg, msgtype => "event_$type";
2114 $self->send_packet ("ext " . cf::to_json \%msg); 2968 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969 }
2970}
2971
2972=item $client->ext_reply ($msgid, @msg)
2973
2974Sends an ext reply to the client.
2975
2976=cut
2977
2978sub cf::client::ext_reply($$@) {
2979 my ($self, $id, @msg) = @_;
2980
2981 if ($self->extcmd == 2) {
2982 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2983 } elsif ($self->extcmd == 1) {
2984 #TODO: version 1, remove
2985 unshift @msg, msgtype => "reply", msgid => $id;
2986 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2987 }
2115} 2988}
2116 2989
2117=item $success = $client->query ($flags, "text", \&cb) 2990=item $success = $client->query ($flags, "text", \&cb)
2118 2991
2119Queues a query to the client, calling the given callback with 2992Queues a query to the client, calling the given callback with
2120the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2993the 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>. 2994C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2122 2995
2123Queries can fail, so check the return code. Or don't, as queries will become 2996Queries can fail, so check the return code. Or don't, as queries will
2124reliable at some point in the future. 2997become reliable at some point in the future.
2125 2998
2126=cut 2999=cut
2127 3000
2128sub cf::client::query { 3001sub cf::client::query {
2129 my ($self, $flags, $text, $cb) = @_; 3002 my ($self, $flags, $text, $cb) = @_;
2137 utf8::encode $text; 3010 utf8::encode $text;
2138 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3011 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139 3012
2140 $self->send_packet ($self->{query_queue}[0][0]) 3013 $self->send_packet ($self->{query_queue}[0][0])
2141 if @{ $self->{query_queue} } == 1; 3014 if @{ $self->{query_queue} } == 1;
3015
3016 1
2142} 3017}
2143 3018
2144cf::client->attach ( 3019cf::client->attach (
3020 on_connect => sub {
3021 my ($ns) = @_;
3022
3023 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3024 },
2145 on_reply => sub { 3025 on_reply => sub {
2146 my ($ns, $msg) = @_; 3026 my ($ns, $msg) = @_;
2147 3027
2148 # this weird shuffling is so that direct followup queries 3028 # this weird shuffling is so that direct followup queries
2149 # get handled first 3029 # get handled first
2161 } else { 3041 } else {
2162 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3042 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163 } 3043 }
2164 } 3044 }
2165 }, 3045 },
3046 on_exticmd => sub {
3047 my ($ns, $buf) = @_;
3048
3049 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3050
3051 if (ref $msg) {
3052 my ($type, $reply, @payload) =
3053 "ARRAY" eq ref $msg
3054 ? @$msg
3055 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3056
3057 my @reply;
3058
3059 if (my $cb = $EXTICMD{$type}) {
3060 @reply = $cb->($ns, @payload);
3061 }
3062
3063 $ns->ext_reply ($reply, @reply)
3064 if $reply;
3065
3066 } else {
3067 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3068 }
3069
3070 cf::override;
3071 },
2166); 3072);
2167 3073
2168=item $client->async (\&cb) 3074=item $client->async (\&cb)
2169 3075
2170Create a new coroutine, running the specified callback. The coroutine will 3076Create a new coroutine, running the specified callback. The coroutine will
2211our $safe = new Safe "safe"; 3117our $safe = new Safe "safe";
2212our $safe_hole = new Safe::Hole; 3118our $safe_hole = new Safe::Hole;
2213 3119
2214$SIG{FPE} = 'IGNORE'; 3120$SIG{FPE} = 'IGNORE';
2215 3121
2216$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3122$safe->permit_only (Opcode::opset qw(
3123 :base_core :base_mem :base_orig :base_math
3124 grepstart grepwhile mapstart mapwhile
3125 sort time
3126));
2217 3127
2218# here we export the classes and methods available to script code 3128# here we export the classes and methods available to script code
2219 3129
2220=pod 3130=pod
2221 3131
2222The following functions and methods are available within a safe environment: 3132The following functions and methods are available within a safe environment:
2223 3133
2224 cf::object contr pay_amount pay_player map 3134 cf::object
3135 contr pay_amount pay_player map x y force_find force_add destroy
3136 insert remove name archname title slaying race decrease split
3137
2225 cf::object::player player 3138 cf::object::player
2226 cf::player peaceful 3139 player
2227 cf::map trigger 3140
3141 cf::player
3142 peaceful
3143
3144 cf::map
3145 trigger
2228 3146
2229=cut 3147=cut
2230 3148
2231for ( 3149for (
2232 ["cf::object" => qw(contr pay_amount pay_player map)], 3150 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3151 insert remove inv nrof name archname title slaying race
3152 decrease split destroy change_exp)],
2233 ["cf::object::player" => qw(player)], 3153 ["cf::object::player" => qw(player)],
2234 ["cf::player" => qw(peaceful)], 3154 ["cf::player" => qw(peaceful)],
2235 ["cf::map" => qw(trigger)], 3155 ["cf::map" => qw(trigger)],
2236) { 3156) {
2237 no strict 'refs'; 3157 no strict 'refs';
2308=back 3228=back
2309 3229
2310=cut 3230=cut
2311 3231
2312############################################################################# 3232#############################################################################
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 $@;
2480 _exit 0;
2481 }
2482}
2483
2484#############################################################################
2485# the server's init and main functions 3233# the server's init and main functions
2486 3234
2487sub load_facedata($) { 3235sub load_facedata($) {
2488 my ($path) = @_; 3236 my ($path) = @_;
3237
3238 # HACK to clear player env face cache, we need some signal framework
3239 # for this (global event?)
3240 %ext::player_env::MUSIC_FACE_CACHE = ();
3241
3242 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2489 3243
2490 warn "loading facedata from $path\n"; 3244 warn "loading facedata from $path\n";
2491 3245
2492 my $facedata; 3246 my $facedata;
2493 0 < aio_load $path, $facedata 3247 0 < aio_load $path, $facedata
2496 $facedata = Coro::Storable::thaw $facedata; 3250 $facedata = Coro::Storable::thaw $facedata;
2497 3251
2498 $facedata->{version} == 2 3252 $facedata->{version} == 2
2499 or cf::cleanup "$path: version mismatch, cannot proceed."; 3253 or cf::cleanup "$path: version mismatch, cannot proceed.";
2500 3254
3255 # patch in the exptable
3256 $facedata->{resource}{"res/exp_table"} = {
3257 type => FT_RSRC,
3258 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3259 };
3260 cf::cede_to_tick;
3261
2501 { 3262 {
2502 my $faces = $facedata->{faceinfo}; 3263 my $faces = $facedata->{faceinfo};
2503 3264
2504 while (my ($face, $info) = each %$faces) { 3265 while (my ($face, $info) = each %$faces) {
2505 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3266 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3267
2506 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3268 cf::face::set_visibility $idx, $info->{visibility};
3269 cf::face::set_magicmap $idx, $info->{magicmap};
2507 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3270 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2508 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3271 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2509 Coro::cede; 3272
3273 cf::cede_to_tick;
2510 } 3274 }
2511 3275
2512 while (my ($face, $info) = each %$faces) { 3276 while (my ($face, $info) = each %$faces) {
2513 next unless $info->{smooth}; 3277 next unless $info->{smooth};
3278
2514 my $idx = cf::face::find $face 3279 my $idx = cf::face::find $face
2515 or next; 3280 or next;
3281
2516 if (my $smooth = cf::face::find $info->{smooth}) { 3282 if (my $smooth = cf::face::find $info->{smooth}) {
3283 cf::face::set_smooth $idx, $smooth;
2517 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3284 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518 } else { 3285 } else {
2519 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3286 warn "smooth face '$info->{smooth}' not found for face '$face'";
2520 } 3287 }
2521 Coro::cede; 3288
3289 cf::cede_to_tick;
2522 } 3290 }
2523 } 3291 }
2524 3292
2525 { 3293 {
2526 my $anims = $facedata->{animinfo}; 3294 my $anims = $facedata->{animinfo};
2527 3295
2528 while (my ($anim, $info) = each %$anims) { 3296 while (my ($anim, $info) = each %$anims) {
2529 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3297 cf::anim::set $anim, $info->{frames}, $info->{facings};
2530 Coro::cede; 3298 cf::cede_to_tick;
2531 } 3299 }
2532 3300
2533 cf::anim::invalidate_all; # d'oh 3301 cf::anim::invalidate_all; # d'oh
2534 } 3302 }
2535 3303
3304 {
3305 # TODO: for gcfclient pleasure, we should give resources
3306 # that gcfclient doesn't grok a >10000 face index.
3307 my $res = $facedata->{resource};
3308
3309 while (my ($name, $info) = each %$res) {
3310 if (defined $info->{type}) {
3311 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3312 my $data;
3313
3314 if ($info->{type} & 1) {
3315 # prepend meta info
3316
3317 my $meta = $enc->encode ({
3318 name => $name,
3319 %{ $info->{meta} || {} },
3320 });
3321
3322 $data = pack "(w/a*)*", $meta, $info->{data};
3323 } else {
3324 $data = $info->{data};
3325 }
3326
3327 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3328 cf::face::set_type $idx, $info->{type};
3329 } else {
3330 $RESOURCE{$name} = $info;
3331 }
3332
3333 cf::cede_to_tick;
3334 }
3335 }
3336
3337 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3338
2536 1 3339 1
2537} 3340}
2538 3341
3342cf::global->attach (on_resource_update => sub {
3343 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3344 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3345
3346 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3347 my $sound = $soundconf->{compat}[$_]
3348 or next;
3349
3350 my $face = cf::face::find "sound/$sound->[1]";
3351 cf::sound::set $sound->[0] => $face;
3352 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3353 }
3354
3355 while (my ($k, $v) = each %{$soundconf->{event}}) {
3356 my $face = cf::face::find "sound/$v";
3357 cf::sound::set $k => $face;
3358 }
3359 }
3360});
3361
3362register_exticmd fx_want => sub {
3363 my ($ns, $want) = @_;
3364
3365 while (my ($k, $v) = each %$want) {
3366 $ns->fx_want ($k, $v);
3367 }
3368};
3369
3370sub load_resource_file($) {
3371 my $guard = lock_acquire "load_resource_file";
3372
3373 my $status = load_resource_file_ $_[0];
3374 get_slot 0.1, 100;
3375 cf::arch::commit_load;
3376
3377 $status
3378}
3379
2539sub reload_regions { 3380sub reload_regions {
3381 # HACK to clear player env face cache, we need some signal framework
3382 # for this (global event?)
3383 %ext::player_env::MUSIC_FACE_CACHE = ();
3384
2540 load_resource_file "$MAPDIR/regions" 3385 load_resource_file "$MAPDIR/regions"
2541 or die "unable to load regions file\n"; 3386 or die "unable to load regions file\n";
3387
3388 for (cf::region::list) {
3389 $_->{match} = qr/$_->{match}/
3390 if exists $_->{match};
3391 }
2542} 3392}
2543 3393
2544sub reload_facedata { 3394sub reload_facedata {
2545 load_facedata "$DATADIR/facedata" 3395 load_facedata "$DATADIR/facedata"
2546 or die "unable to load facedata\n"; 3396 or die "unable to load facedata\n";
2557} 3407}
2558 3408
2559sub reload_resources { 3409sub reload_resources {
2560 warn "reloading resource files...\n"; 3410 warn "reloading resource files...\n";
2561 3411
2562 reload_regions;
2563 reload_facedata; 3412 reload_facedata;
2564 reload_archetypes; 3413 reload_archetypes;
3414 reload_regions;
2565 reload_treasures; 3415 reload_treasures;
2566 3416
2567 warn "finished reloading resource files\n"; 3417 warn "finished reloading resource files\n";
2568} 3418}
2569 3419
2570sub init { 3420sub init {
3421 my $guard = freeze_mainloop;
3422
3423 evthread_start IO::AIO::poll_fileno;
3424
2571 reload_resources; 3425 reload_resources;
2572} 3426}
2573 3427
2574sub cfg_load { 3428sub reload_config {
2575 open my $fh, "<:utf8", "$CONFDIR/config" 3429 open my $fh, "<:utf8", "$CONFDIR/config"
2576 or return; 3430 or return;
2577 3431
2578 local $/; 3432 local $/;
2579 *CFG = YAML::Syck::Load <$fh>; 3433 *CFG = YAML::Load <$fh>;
2580 3434
2581 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3435 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2582 3436
2583 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3437 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3438 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595sub main { 3449sub main {
2596 # we must not ever block the main coroutine 3450 # we must not ever block the main coroutine
2597 local $Coro::idle = sub { 3451 local $Coro::idle = sub {
2598 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3452 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599 (async { 3453 (async {
2600 Event::one_event; 3454 $Coro::current->{desc} = "IDLE BUG HANDLER";
3455 EV::loop EV::LOOP_ONESHOT;
2601 })->prio (Coro::PRIO_MAX); 3456 })->prio (Coro::PRIO_MAX);
2602 }; 3457 };
2603 3458
2604 cfg_load; 3459 {
3460 my $guard = freeze_mainloop;
3461 reload_config;
2605 db_init; 3462 db_init;
2606 load_extensions; 3463 load_extensions;
2607 3464
2608 $TICK_WATCHER->start; 3465 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3466 }
3467
2609 Event::loop; 3468 EV::loop;
2610} 3469}
2611 3470
2612############################################################################# 3471#############################################################################
2613# initialisation and cleanup 3472# initialisation and cleanup
2614 3473
2615# install some emergency cleanup handlers 3474# install some emergency cleanup handlers
2616BEGIN { 3475BEGIN {
3476 our %SIGWATCHER = ();
2617 for my $signal (qw(INT HUP TERM)) { 3477 for my $signal (qw(INT HUP TERM)) {
2618 Event->signal ( 3478 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2619 reentrant => 0,
2620 data => WF_AUTOCANCEL,
2621 signal => $signal,
2622 prio => 0,
2623 cb => sub {
2624 cf::cleanup "SIG$signal"; 3479 cf::cleanup "SIG$signal";
2625 },
2626 ); 3480 };
3481 }
3482}
3483
3484sub write_runtime_sync {
3485 my $runtime = "$LOCALDIR/runtime";
3486
3487 # first touch the runtime file to show we are still running:
3488 # the fsync below can take a very very long time.
3489
3490 IO::AIO::aio_utime $runtime, undef, undef;
3491
3492 my $guard = cf::lock_acquire "write_runtime";
3493
3494 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3495 or return;
3496
3497 my $value = $cf::RUNTIME + 90 + 10;
3498 # 10 is the runtime save interval, for a monotonic clock
3499 # 60 allows for the watchdog to kill the server.
3500
3501 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3502 and return;
3503
3504 # always fsync - this file is important
3505 aio_fsync $fh
3506 and return;
3507
3508 # touch it again to show we are up-to-date
3509 aio_utime $fh, undef, undef;
3510
3511 close $fh
3512 or return;
3513
3514 aio_rename "$runtime~", $runtime
3515 and return;
3516
3517 warn "runtime file written.\n";
3518
2627 } 3519 1
3520}
3521
3522our $uuid_lock;
3523our $uuid_skip;
3524
3525sub write_uuid_sync($) {
3526 $uuid_skip ||= $_[0];
3527
3528 return if $uuid_lock;
3529 local $uuid_lock = 1;
3530
3531 my $uuid = "$LOCALDIR/uuid";
3532
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return;
3535
3536 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3537 $uuid_skip = 0;
3538
3539 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3540 and return;
3541
3542 # always fsync - this file is important
3543 aio_fsync $fh
3544 and return;
3545
3546 close $fh
3547 or return;
3548
3549 aio_rename "$uuid~", $uuid
3550 and return;
3551
3552 warn "uuid file written ($value).\n";
3553
3554 1
3555
3556}
3557
3558sub write_uuid($$) {
3559 my ($skip, $sync) = @_;
3560
3561 $sync ? write_uuid_sync $skip
3562 : async { write_uuid_sync $skip };
2628} 3563}
2629 3564
2630sub emergency_save() { 3565sub emergency_save() {
2631 my $freeze_guard = cf::freeze_mainloop; 3566 my $freeze_guard = cf::freeze_mainloop;
2632 3567
2638 # and maps saved/destroyed asynchronously. 3573 # and maps saved/destroyed asynchronously.
2639 warn "begin emergency player save\n"; 3574 warn "begin emergency player save\n";
2640 for my $login (keys %cf::PLAYER) { 3575 for my $login (keys %cf::PLAYER) {
2641 my $pl = $cf::PLAYER{$login} or next; 3576 my $pl = $cf::PLAYER{$login} or next;
2642 $pl->valid or next; 3577 $pl->valid or next;
3578 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643 $pl->save; 3579 $pl->save;
2644 } 3580 }
2645 warn "end emergency player save\n"; 3581 warn "end emergency player save\n";
2646 3582
2647 warn "begin emergency map save\n"; 3583 warn "begin emergency map save\n";
2653 warn "end emergency map save\n"; 3589 warn "end emergency map save\n";
2654 3590
2655 warn "begin emergency database checkpoint\n"; 3591 warn "begin emergency database checkpoint\n";
2656 BDB::db_env_txn_checkpoint $DB_ENV; 3592 BDB::db_env_txn_checkpoint $DB_ENV;
2657 warn "end emergency database checkpoint\n"; 3593 warn "end emergency database checkpoint\n";
3594
3595 warn "begin write uuid\n";
3596 write_uuid_sync 1;
3597 warn "end write uuid\n";
2658 }; 3598 };
2659 3599
2660 warn "leave emergency perl save\n"; 3600 warn "leave emergency perl save\n";
2661} 3601}
2662 3602
2664 my ($make_core) = @_; 3604 my ($make_core) = @_;
2665 3605
2666 warn Carp::longmess "post_cleanup backtrace" 3606 warn Carp::longmess "post_cleanup backtrace"
2667 if $make_core; 3607 if $make_core;
2668} 3608}
3609
3610# a safer delete_package, copied from Symbol
3611sub clear_package($) {
3612 my $pkg = shift;
3613
3614 # expand to full symbol table name if needed
3615 unless ($pkg =~ /^main::.*::$/) {
3616 $pkg = "main$pkg" if $pkg =~ /^::/;
3617 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3618 $pkg .= '::' unless $pkg =~ /::$/;
3619 }
3620
3621 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3622 my $stem_symtab = *{$stem}{HASH};
3623
3624 defined $stem_symtab and exists $stem_symtab->{$leaf}
3625 or return;
3626
3627 # clear all symbols
3628 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3629 for my $name (keys %$leaf_symtab) {
3630 _gv_clear *{"$pkg$name"};
3631# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3632 }
3633 warn "cleared package #$pkg\n";#d#
3634}
3635
3636our $RELOAD; # how many times to reload
2669 3637
2670sub do_reload_perl() { 3638sub do_reload_perl() {
2671 # can/must only be called in main 3639 # can/must only be called in main
2672 if ($Coro::current != $Coro::main) { 3640 if ($Coro::current != $Coro::main) {
2673 warn "can only reload from main coroutine"; 3641 warn "can only reload from main coroutine";
2674 return; 3642 return;
2675 } 3643 }
2676 3644
3645 return if $RELOAD++;
3646
3647 while ($RELOAD) {
2677 warn "reloading..."; 3648 warn "reloading...";
2678 3649
2679 warn "entering sync_job"; 3650 warn "entering sync_job";
2680 3651
2681 cf::sync_job { 3652 cf::sync_job {
2682 cf::write_runtime; # external watchdog should not bark 3653 cf::write_runtime_sync; # external watchdog should not bark
2683 cf::emergency_save; 3654 cf::emergency_save;
2684 cf::write_runtime; # external watchdog should not bark 3655 cf::write_runtime_sync; # external watchdog should not bark
2685 3656
2686 warn "syncing database to disk"; 3657 warn "syncing database to disk";
2687 BDB::db_env_txn_checkpoint $DB_ENV; 3658 BDB::db_env_txn_checkpoint $DB_ENV;
2688 3659
2689 # if anything goes wrong in here, we should simply crash as we already saved 3660 # if anything goes wrong in here, we should simply crash as we already saved
2690 3661
2691 warn "cancelling all WF_AUTOCANCEL watchers";
2692 for (Event::all_watchers) {
2693 $_->cancel if $_->data & WF_AUTOCANCEL;
2694 }
2695
2696 warn "flushing outstanding aio requests"; 3662 warn "flushing outstanding aio requests";
2697 for (;;) {
2698 BDB::flush;
2699 IO::AIO::flush;
2700 Coro::cede;
2701 last unless IO::AIO::nreqs || BDB::nreqs; 3663 while (IO::AIO::nreqs || BDB::nreqs) {
2702 warn "iterate..."; 3664 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2703 }
2704
2705 ++$RELOAD;
2706
2707 warn "cancelling all extension coros";
2708 $_->cancel for values %EXT_CORO;
2709 %EXT_CORO = ();
2710
2711 warn "removing commands";
2712 %COMMAND = ();
2713
2714 warn "removing ext commands";
2715 %EXTCMD = ();
2716
2717 warn "unloading/nuking all extensions";
2718 for my $pkg (@EXTS) {
2719 warn "... unloading $pkg";
2720
2721 if (my $cb = $pkg->can ("unload")) {
2722 eval {
2723 $cb->($pkg);
2724 1
2725 } or warn "$pkg unloaded, but with errors: $@";
2726 } 3665 }
2727 3666
2728 warn "... nuking $pkg"; 3667 warn "cancelling all extension coros";
2729 Symbol::delete_package $pkg; 3668 $_->cancel for values %EXT_CORO;
2730 } 3669 %EXT_CORO = ();
2731 3670
2732 warn "unloading all perl modules loaded from $LIBDIR"; 3671 warn "removing commands";
2733 while (my ($k, $v) = each %INC) { 3672 %COMMAND = ();
2734 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735 3673
3674 warn "removing ext/exti commands";
3675 %EXTCMD = ();
3676 %EXTICMD = ();
3677
3678 warn "unloading/nuking all extensions";
3679 for my $pkg (@EXTS) {
2736 warn "... unloading $k"; 3680 warn "... unloading $pkg";
2737 delete $INC{$k};
2738 3681
2739 $k =~ s/\.pm$//;
2740 $k =~ s/\//::/g;
2741
2742 if (my $cb = $k->can ("unload_module")) { 3682 if (my $cb = $pkg->can ("unload")) {
3683 eval {
2743 $cb->(); 3684 $cb->($pkg);
3685 1
3686 } or warn "$pkg unloaded, but with errors: $@";
3687 }
3688
3689 warn "... clearing $pkg";
3690 clear_package $pkg;
2744 } 3691 }
2745 3692
2746 Symbol::delete_package $k; 3693 warn "unloading all perl modules loaded from $LIBDIR";
3694 while (my ($k, $v) = each %INC) {
3695 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3696
3697 warn "... unloading $k";
3698 delete $INC{$k};
3699
3700 $k =~ s/\.pm$//;
3701 $k =~ s/\//::/g;
3702
3703 if (my $cb = $k->can ("unload_module")) {
3704 $cb->();
3705 }
3706
3707 clear_package $k;
2747 } 3708 }
2748 3709
2749 warn "getting rid of safe::, as good as possible"; 3710 warn "getting rid of safe::, as good as possible";
2750 Symbol::delete_package "safe::$_" 3711 clear_package "safe::$_"
2751 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3712 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752 3713
2753 warn "unloading cf.pm \"a bit\""; 3714 warn "unloading cf.pm \"a bit\"";
2754 delete $INC{"cf.pm"}; 3715 delete $INC{"cf.pm"};
2755 delete $INC{"cf/pod.pm"}; 3716 delete $INC{"cf/pod.pm"};
2756 3717
2757 # don't, removes xs symbols, too, 3718 # don't, removes xs symbols, too,
2758 # and global variables created in xs 3719 # and global variables created in xs
2759 #Symbol::delete_package __PACKAGE__; 3720 #clear_package __PACKAGE__;
2760 3721
2761 warn "unload completed, starting to reload now"; 3722 warn "unload completed, starting to reload now";
2762 3723
2763 warn "reloading cf.pm"; 3724 warn "reloading cf.pm";
2764 require cf; 3725 require cf;
2765 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3726 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2766 3727
2767 warn "loading config and database again"; 3728 warn "loading config and database again";
2768 cf::cfg_load; 3729 cf::reload_config;
2769 3730
2770 warn "loading extensions"; 3731 warn "loading extensions";
2771 cf::load_extensions; 3732 cf::load_extensions;
2772 3733
2773 warn "reattaching attachments to objects/players"; 3734 warn "reattaching attachments to objects/players";
2774 _global_reattach; # objects, sockets 3735 _global_reattach; # objects, sockets
2775 warn "reattaching attachments to maps"; 3736 warn "reattaching attachments to maps";
2776 reattach $_ for values %MAP; 3737 reattach $_ for values %MAP;
2777 warn "reattaching attachments to players"; 3738 warn "reattaching attachments to players";
2778 reattach $_ for values %PLAYER; 3739 reattach $_ for values %PLAYER;
2779 3740
2780 warn "leaving sync_job"; 3741 warn "leaving sync_job";
2781 3742
2782 1 3743 1
2783 } or do { 3744 } or do {
2784 warn $@; 3745 warn $@;
2785 warn "error while reloading, exiting."; 3746 cf::cleanup "error while reloading, exiting.";
2786 exit 1;
2787 }; 3747 };
2788 3748
2789 warn "reloaded"; 3749 warn "reloaded";
3750 --$RELOAD;
3751 }
2790}; 3752};
2791 3753
2792our $RELOAD_WATCHER; # used only during reload 3754our $RELOAD_WATCHER; # used only during reload
2793 3755
2794sub reload_perl() { 3756sub reload_perl() {
2795 # doing reload synchronously and two reloads happen back-to-back, 3757 # doing reload synchronously and two reloads happen back-to-back,
2796 # coro crashes during coro_state_free->destroy here. 3758 # coro crashes during coro_state_free->destroy here.
2797 3759
2798 $RELOAD_WATCHER ||= Event->timer ( 3760 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2799 reentrant => 0,
2800 after => 0,
2801 data => WF_AUTOCANCEL,
2802 cb => sub {
2803 do_reload_perl; 3761 do_reload_perl;
2804 undef $RELOAD_WATCHER; 3762 undef $RELOAD_WATCHER;
2805 },
2806 ); 3763 };
2807} 3764}
2808 3765
2809register_command "reload" => sub { 3766register_command "reload" => sub {
2810 my ($who, $arg) = @_; 3767 my ($who, $arg) = @_;
2811 3768
2812 if ($who->flag (FLAG_WIZ)) { 3769 if ($who->flag (FLAG_WIZ)) {
2813 $who->message ("reloading server."); 3770 $who->message ("reloading server.");
3771 async {
3772 $Coro::current->{desc} = "perl_reload";
2814 async { reload_perl }; 3773 reload_perl;
3774 };
2815 } 3775 }
2816}; 3776};
2817 3777
2818unshift @INC, $LIBDIR; 3778unshift @INC, $LIBDIR;
2819 3779
2821 3781
2822our @WAIT_FOR_TICK; 3782our @WAIT_FOR_TICK;
2823our @WAIT_FOR_TICK_BEGIN; 3783our @WAIT_FOR_TICK_BEGIN;
2824 3784
2825sub wait_for_tick { 3785sub wait_for_tick {
2826 return unless $TICK_WATCHER->is_active;
2827 return if $Coro::current == $Coro::main; 3786 return if tick_inhibit || $Coro::current == $Coro::main;
2828 3787
2829 my $signal = new Coro::Signal; 3788 my $signal = new Coro::Signal;
2830 push @WAIT_FOR_TICK, $signal; 3789 push @WAIT_FOR_TICK, $signal;
2831 $signal->wait; 3790 $signal->wait;
2832} 3791}
2833 3792
2834sub wait_for_tick_begin { 3793sub wait_for_tick_begin {
2835 return unless $TICK_WATCHER->is_active;
2836 return if $Coro::current == $Coro::main; 3794 return if tick_inhibit || $Coro::current == $Coro::main;
2837 3795
2838 my $signal = new Coro::Signal; 3796 my $signal = new Coro::Signal;
2839 push @WAIT_FOR_TICK_BEGIN, $signal; 3797 push @WAIT_FOR_TICK_BEGIN, $signal;
2840 $signal->wait; 3798 $signal->wait;
2841} 3799}
2842 3800
2843 my $min = 1e6;#d# 3801sub tick {
2844 my $avg = 10;
2845$TICK_WATCHER = Event->timer (
2846 reentrant => 0,
2847 parked => 1,
2848 prio => 0,
2849 at => $NEXT_TICK || $TICK,
2850 data => WF_AUTOCANCEL,
2851 cb => sub {
2852 if ($Coro::current != $Coro::main) { 3802 if ($Coro::current != $Coro::main) {
2853 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3803 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854 unless ++$bug_warning > 10; 3804 unless ++$bug_warning > 10;
2855 return; 3805 return;
2856 } 3806 }
2857 3807
2858 $NOW = $tick_start = Event::time;
2859
2860 cf::server_tick; # one server iteration 3808 cf::server_tick; # one server iteration
2861 3809
2862 0 && sync_job {#d# 3810 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863 for(1..10) { 3811 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864 my $t = Event::time; 3812 Coro::async_pool {
2865 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3813 $Coro::current->{desc} = "runtime saver";
2866 or die; 3814 write_runtime_sync
2867 3815 or warn "ERROR: unable to write runtime file: $!";
2868 $map->width (50);
2869 $map->height (50);
2870 $map->alloc;
2871 $map->_load_objects ("/tmp/x.map", 1);
2872 my $t = Event::time - $t;
2873
2874 #next unless $t < 0.0013;#d#
2875 if ($t < $min) {
2876 $min = $t;
2877 }
2878 $avg = $avg * 0.99 + $t * 0.01;
2879 }
2880 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881 exit 0;
2882 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883 }; 3816 };
3817 }
2884 3818
2885 $RUNTIME += $TICK;
2886 $NEXT_TICK += $TICK;
2887
2888 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889 $NEXT_RUNTIME_WRITE = $NOW + 10;
2890 Coro::async_pool {
2891 write_runtime
2892 or warn "ERROR: unable to write runtime file: $!";
2893 };
2894 }
2895
2896# my $AFTER = Event::time;
2897# warn $AFTER - $NOW;#d#
2898
2899 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3819 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900 $sig->send; 3820 $sig->send;
2901 } 3821 }
2902 while (my $sig = shift @WAIT_FOR_TICK) { 3822 while (my $sig = shift @WAIT_FOR_TICK) {
2903 $sig->send; 3823 $sig->send;
2904 } 3824 }
2905 3825
2906 $NOW = Event::time; 3826 $LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908 # if we are delayed by four ticks or more, skip them all
2909 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911 $TICK_WATCHER->at ($NEXT_TICK);
2912 $TICK_WATCHER->start;
2913
2914 $LOAD = ($NOW - $tick_start) / $TICK;
2915 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3827 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916 3828
2917 _post_tick; 3829 if (0) {
2918 3830 if ($NEXT_TICK) {
2919 3831 my $jitter = $TICK_START - $NEXT_TICK;
3832 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3833 warn "jitter $JITTER\n";#d#
3834 }
2920 }, 3835 }
2921); 3836}
2922 3837
2923{ 3838{
2924 BDB::max_poll_time $TICK * 0.1; 3839 # configure BDB
2925 $BDB_POLL_WATCHER = Event->io ( 3840
2926 reentrant => 0,
2927 fd => BDB::poll_fileno,
2928 poll => 'r',
2929 prio => 0,
2930 data => WF_AUTOCANCEL,
2931 cb => \&BDB::poll_cb,
2932 );
2933 BDB::min_parallel 8; 3841 BDB::min_parallel 8;
2934 3842 BDB::max_poll_reqs $TICK * 0.1;
2935 BDB::set_sync_prepare { 3843 $AnyEvent::BDB::WATCHER->priority (1);
2936 my $status;
2937 my $current = $Coro::current;
2938 (
2939 sub {
2940 $status = $!;
2941 $current->ready; undef $current;
2942 },
2943 sub {
2944 Coro::schedule while defined $current;
2945 $! = $status;
2946 },
2947 )
2948 };
2949 3844
2950 unless ($DB_ENV) { 3845 unless ($DB_ENV) {
2951 $DB_ENV = BDB::db_env_create; 3846 $DB_ENV = BDB::db_env_create;
3847 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3848 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3849 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3850 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3851 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952 3852
2953 cf::sync_job { 3853 cf::sync_job {
2954 eval { 3854 eval {
2955 BDB::db_env_open 3855 BDB::db_env_open
2956 $DB_ENV, 3856 $DB_ENV,
2958 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3858 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3859 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960 0666; 3860 0666;
2961 3861
2962 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3862 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965 $DB_ENV->set_lk_detect;
2966 }; 3863 };
2967 3864
2968 cf::cleanup "db_env_open(db): $@" if $@; 3865 cf::cleanup "db_env_open(db): $@" if $@;
2969 }; 3866 };
2970 } 3867 }
3868
3869 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3870 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3871 };
3872 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3873 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3874 };
3875 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3876 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3877 };
2971} 3878}
2972 3879
2973{ 3880{
3881 # configure IO::AIO
3882
2974 IO::AIO::min_parallel 8; 3883 IO::AIO::min_parallel 8;
2975
2976 undef $Coro::AIO::WATCHER;
2977 IO::AIO::max_poll_time $TICK * 0.1; 3884 IO::AIO::max_poll_time $TICK * 0.1;
2978 $AIO_POLL_WATCHER = Event->io ( 3885 undef $AnyEvent::AIO::WATCHER;
2979 reentrant => 0,
2980 data => WF_AUTOCANCEL,
2981 fd => IO::AIO::poll_fileno,
2982 poll => 'r',
2983 prio => 6,
2984 cb => \&IO::AIO::poll_cb,
2985 );
2986} 3886}
2987 3887
2988my $_log_backtrace; 3888my $_log_backtrace;
2989 3889
2990sub _log_backtrace { 3890sub _log_backtrace {
2994 3894
2995 # limit the # of concurrent backtraces 3895 # limit the # of concurrent backtraces
2996 if ($_log_backtrace < 2) { 3896 if ($_log_backtrace < 2) {
2997 ++$_log_backtrace; 3897 ++$_log_backtrace;
2998 async { 3898 async {
3899 $Coro::current->{desc} = "abt $msg";
3900
2999 my @bt = fork_call { 3901 my @bt = fork_call {
3000 @addr = map { sprintf "%x", $_ } @addr; 3902 @addr = map { sprintf "%x", $_ } @addr;
3001 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3903 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3904 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003 or die "addr2line: $!"; 3905 or die "addr2line: $!";

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