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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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 if (my $fh = aio_open $runtime, O_WRONLY, 0) { 542=cut
401 utime undef, undef, $fh; 543
544sub fork_call(&@) {
545 my ($cb, @args) = @_;
546
547 # we seemingly have to make a local copy of the whole thing,
548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
550
551 my @res = Coro::Util::fork_eval {
552 reset_signals;
553 &$cb
554 }, @args;
555
556 wantarray ? @res : $res[-1]
557}
558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
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 $!;
402 } 613 };
614 cf::cleanup "db_open(db): $@" if $@;
403 615
404 my $guard = cf::lock_acquire "write_runtime"; 616 $db
617}
405 618
406 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 619our $DB;
407 or return;
408 620
409 my $value = $cf::RUNTIME + 90 + 10; 621sub db_init {
410 # 10 is the runtime save interval, for a monotonic clock 622 cf::sync_job {
411 # 60 allows for the watchdog to kill the server. 623 $DB ||= db_table "db";
624 };
625}
412 626
413 (aio_write $fh, 0, (length $value), $value, 0) <= 0 627sub db_get($$) {
414 and return; 628 my $key = "$_[0]/$_[1]";
415 629
416 # always fsync - this file is important 630 cf::sync_job {
417 aio_fsync $fh 631 BDB::db_get $DB, undef, $key, my $data;
418 and return;
419 632
420 # touch it again to show we are up-to-date 633 $! ? ()
421 utime undef, undef, $fh; 634 : $data
422
423 close $fh
424 or return;
425
426 aio_rename "$runtime~", $runtime
427 and return;
428
429 warn "runtime file written.\n";#d#
430
431 1 635 }
636}
637
638sub db_put($$$) {
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"
432} 711}
433 712
434=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
435 714
436Log 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.
454attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
455to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
456 735
457In 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>
458C<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
459crossfire+). 738Deliantra).
460 739
461=over 4 740=over 4
462 741
463=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
464 743
666 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
667 } 946 }
668 947
669 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
670 } else { 949 } else {
671 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
672 } 951 }
673 952
674 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
675} 954}
676 955
716 "; 995 ";
717 die if $@; 996 die if $@;
718} 997}
719 998
720our $override; 999our $override;
721our @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?
722 1001
723sub override { 1002sub override {
724 $override = 1; 1003 $override = 1;
725 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
726} 1005}
727 1006
728sub do_invoke { 1007sub do_invoke {
729 my $event = shift; 1008 my $event = shift;
730 my $callbacks = shift; 1009 my $callbacks = shift;
731 1010
732 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
733 1012
734 local $override; 1013 local $override;
735 1014
736 for (@$callbacks) { 1015 for (@$callbacks) {
737 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
746 } 1025 }
747 1026
748 0 1027 0
749} 1028}
750 1029
751=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752 1031
753=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754 1033
755Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
756 1035
757This 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
758removed 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
759results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760 1039
761=back 1040=back
762 1041
763=cut 1042=cut
764 1043
765############################################################################# 1044#############################################################################
766# 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, $ob2
1087}
767 1088
768sub reattach { 1089sub reattach {
769 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
770 my ($obj) = @_; 1091 my ($obj) = @_;
771 1092
1093 # no longer needed after getting rid of delete_package?
772 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
773 1095
774 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
775 1097
776 @$registry = (); 1098 @$registry = ();
777 1099
792cf::attachable->attach ( 1114cf::attachable->attach (
793 prio => -1000000, 1115 prio => -1000000,
794 on_instantiate => sub { 1116 on_instantiate => sub {
795 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
796 1118
797 $data = from_json $data; 1119 $data = decode_json $data;
798 1120
799 for (@$data) { 1121 for (@$data) {
800 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
801 1123
802 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
818sub object_freezer_save { 1140sub object_freezer_save {
819 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
820 1142
821 sync_job { 1143 sync_job {
822 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
823 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
824 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
825 1148
826 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
828 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
830 close $fh; 1153 aio_close $fh;
831 1154
832 if (@$objs) { 1155 if (@$objs) {
833 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) {
834 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
835 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
837 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
838 close $fh; 1161 aio_close $fh;
839 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
840 } 1163 }
841 } else { 1164 } else {
842 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
843 } 1166 }
848 } 1171 }
849 } else { 1172 } else {
850 aio_unlink $filename; 1173 aio_unlink $filename;
851 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
852 } 1175 }
853 } 1176 };
854} 1177}
855 1178
856sub object_freezer_as_string { 1179sub object_freezer_as_string {
857 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
858 1181
870 or return; 1193 or return;
871 1194
872 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
873 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
874 or return; 1197 or return;
1198
875 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
876 } 1201 }
877 1202
1203 utf8::decode (my $decname = $filename);
878 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
879 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
880 return ($data, $av); 1207 ($data, $av)
881} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
882 1215
883############################################################################# 1216#############################################################################
884# command handling &c 1217# command handling &c
885 1218
886=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
899 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
900} 1233}
901 1234
902=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
903 1236
904Register 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.
905 1242
906If 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
907called. 1244called.
908 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
909=cut 1257=cut
910 1258
911sub register_extcmd { 1259sub register_extcmd {
912 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
913 1261
914 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
915} 1269}
916 1270
917cf::player->attach ( 1271cf::player->attach (
918 on_command => sub { 1272 on_command => sub {
919 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
928 cf::override; 1282 cf::override;
929 }, 1283 },
930 on_extcmd => sub { 1284 on_extcmd => sub {
931 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
932 1286
933 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934 1288
935 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
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
937 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
938 $pl->ext_reply ($msg->{msgid}, %reply);
939 }
940 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
941 } else { 1304 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943 } 1306 }
944 1307
945 cf::override; 1308 cf::override;
946 }, 1309 },
947); 1310);
948 1311
949sub load_extension {
950 my ($path) = @_;
951
952 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
953 my $base = $1;
954 my $pkg = $1;
955 $pkg =~ s/[^[:word:]]/_/g;
956 $pkg = "ext::$pkg";
957
958 warn "... loading '$path' into '$pkg'\n";
959
960 open my $fh, "<:utf8", $path
961 or die "$path: $!";
962
963 my $source =
964 "package $pkg; use strict; use utf8;\n"
965 . "#line 1 \"$path\"\n{\n"
966 . (do { local $/; <$fh> })
967 . "\n};\n1";
968
969 unless (eval $source) {
970 my $msg = $@ ? "$path: $@\n"
971 : "extension disabled.\n";
972 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973 warn $@;
974 warn "mandatory extension failed to load, exiting.\n";
975 exit 1;
976 }
977 die $@;
978 }
979
980 push @EXTS, $pkg;
981}
982
983sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
984 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
985 next unless -r $ext; 1317 next unless -r $path;
986 eval { 1318
987 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 $progress = 1;
988 1 1375 }
989 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
990 } 1381 };
991} 1382}
992 1383
993############################################################################# 1384#############################################################################
994 1385
1386=back
1387
995=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
996 1389
997Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
998 1391
999=cut 1392=cut
1003use Coro::AIO; 1396use Coro::AIO;
1004 1397
1005=head3 cf::player 1398=head3 cf::player
1006 1399
1007=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}
1008 1415
1009=item cf::player::find $login 1416=item cf::player::find $login
1010 1417
1011Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
1012 1419
1048 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051 aio_unlink +(playerdir $login) . "/$login.pl"; 1458 aio_unlink +(playerdir $login) . "/$login.pl";
1052 1459
1053 my $pl = load_pl path $login 1460 my $f = new_from_file cf::object::thawer path $login
1054 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;
1055 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1056 } 1469 }
1057 } 1470 }
1058} 1471}
1059 1472
1068 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1069 1482
1070 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1071 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1072 1485
1486 cf::get_slot 0.01;
1487
1073 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1074 Coro::cede; 1489 cf::cede_to_tick;
1075} 1490}
1076 1491
1077sub new($) { 1492sub new($) {
1078 my ($login) = @_; 1493 my ($login) = @_;
1079 1494
1085 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1086 1501
1087 $self 1502 $self
1088} 1503}
1089 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
1090=item $pl->quit_character 1515=item $pl->quit_character
1091 1516
1092Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1093be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1094 1519
1098 my ($pl) = @_; 1523 my ($pl) = @_;
1099 1524
1100 my $name = $pl->ob->name; 1525 my $name = $pl->ob->name;
1101 1526
1102 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1103 $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
1104 1529
1105 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1106 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1107 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1108 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1109 1536
1110 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1111 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 or return []; 1574 or return [];
1148 1575
1149 my @logins; 1576 my @logins;
1150 1577
1151 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") {
1152 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1154 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1155 1588
1156 utf8::decode $login; 1589 utf8::decode $login;
1157 push @logins, $login; 1590 push @logins, $login;
1158 } 1591 }
1159 1592
1186 } 1619 }
1187 1620
1188 \@paths 1621 \@paths
1189} 1622}
1190 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1191=item $player->ext_reply ($msgid, %msg) 1628=item $player->ext_reply ($msgid, @msg)
1192 1629
1193Sends an ext reply to the player. 1630Sends an ext reply to the player.
1194 1631
1195=cut 1632=cut
1196 1633
1197sub ext_reply($$%) { 1634sub ext_reply($$@) {
1198 my ($self, $id, %msg) = @_; 1635 my ($self, $id, @msg) = @_;
1199 1636
1200 $msg{msgid} = $id; 1637 $self->ns->ext_reply ($id, @msg)
1201
1202 $self->send ("ext " . cf::to_json \%msg);
1203} 1638}
1204 1639
1205=item $player->ext_event ($type, %msg) 1640=item $player->ext_msg ($type, @msg)
1206 1641
1207Sends an ext event to the client. 1642Sends an ext event to the client.
1208 1643
1209=cut 1644=cut
1210 1645
1211sub ext_event($$%) { 1646sub ext_msg($$@) {
1212 my ($self, $type, %msg) = @_; 1647 my ($self, $type, @msg) = @_;
1213 1648
1214 $self->ns->ext_event ($type, %msg); 1649 $self->ns->ext_msg ($type, @msg);
1215} 1650}
1216 1651
1217=head3 cf::region 1652=head3 cf::region
1218 1653
1219=over 4 1654=over 4
1222 1657
1223package cf::region; 1658package cf::region;
1224 1659
1225=item cf::region::find_by_path $path 1660=item cf::region::find_by_path $path
1226 1661
1227Tries to decuce the probable region for a map knowing only its path. 1662Tries to decuce the likely region for a map knowing only its path.
1228 1663
1229=cut 1664=cut
1230 1665
1231sub find_by_path($) { 1666sub find_by_path($) {
1232 my ($path) = @_; 1667 my ($path) = @_;
1233 1668
1234 my ($match, $specificity); 1669 my ($match, $specificity);
1235 1670
1236 for my $region (list) { 1671 for my $region (list) {
1237 if ($region->match && $path =~ $region->match) { 1672 if ($region->{match} && $path =~ $region->{match}) {
1238 ($match, $specificity) = ($region, $region->specificity) 1673 ($match, $specificity) = ($region, $region->specificity)
1239 if $region->specificity > $specificity; 1674 if $region->specificity > $specificity;
1240 } 1675 }
1241 } 1676 }
1242 1677
1263our $MAX_RESET = 3600; 1698our $MAX_RESET = 3600;
1264our $DEFAULT_RESET = 3000; 1699our $DEFAULT_RESET = 3000;
1265 1700
1266sub generate_random_map { 1701sub generate_random_map {
1267 my ($self, $rmp) = @_; 1702 my ($self, $rmp) = @_;
1703
1704 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1705
1268 # mit "rum" bekleckern, nicht 1706 # mit "rum" bekleckern, nicht
1269 $self->_create_random_map ( 1707 $self->_create_random_map (
1270 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1708 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1709 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1710 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1306 my ($self, $merge) = @_; 1744 my ($self, $merge) = @_;
1307 1745
1308 # we have to keep some variables in memory intact 1746 # we have to keep some variables in memory intact
1309 local $self->{path}; 1747 local $self->{path};
1310 local $self->{load_path}; 1748 local $self->{load_path};
1311 local $self->{deny_save};
1312 local $self->{deny_reset};
1313 1749
1314 $self->SUPER::thawer_merge ($merge); 1750 $self->SUPER::thawer_merge ($merge);
1315} 1751}
1316 1752
1317sub normalise { 1753sub normalise {
1364 $self->init; # pass $1 etc. 1800 $self->init; # pass $1 etc.
1365 return $self; 1801 return $self;
1366 } 1802 }
1367 } 1803 }
1368 1804
1369 Carp::carp "unable to resolve path '$path' (base '$base')."; 1805 Carp::cluck "unable to resolve path '$path' (base '$base').";
1370 () 1806 ()
1371} 1807}
1372 1808
1373sub init { 1809sub init {
1374 my ($self) = @_; 1810 my ($self) = @_;
1396 1832
1397# the temporary/swap location 1833# the temporary/swap location
1398sub save_path { 1834sub save_path {
1399 my ($self) = @_; 1835 my ($self) = @_;
1400 1836
1401 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1837 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402 "$TMPDIR/$path.map" 1838 "$TMPDIR/$path.map"
1403} 1839}
1404 1840
1405# the unique path, undef == no special unique path 1841# the unique path, undef == no special unique path
1406sub uniq_path { 1842sub uniq_path {
1407 my ($self) = @_; 1843 my ($self) = @_;
1408 1844
1409 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410 "$UNIQUEDIR/$path" 1846 "$UNIQUEDIR/$path"
1411} 1847}
1412 1848
1413# and all this just because we cannot iterate over 1849# and all this just because we cannot iterate over
1414# all maps in C++... 1850# all maps in C++...
1417 1853
1418 $_->change_map_light ($change) 1854 $_->change_map_light ($change)
1419 for grep $_->outdoor, values %cf::MAP; 1855 for grep $_->outdoor, values %cf::MAP;
1420} 1856}
1421 1857
1858sub decay_objects {
1859 my ($self) = @_;
1860
1861 return if $self->{deny_reset};
1862
1863 $self->do_decay_objects;
1864}
1865
1422sub unlink_save { 1866sub unlink_save {
1423 my ($self) = @_; 1867 my ($self) = @_;
1424 1868
1425 utf8::encode (my $save = $self->save_path); 1869 utf8::encode (my $save = $self->save_path);
1426 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1870 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1429 1873
1430sub load_header_from($) { 1874sub load_header_from($) {
1431 my ($self, $path) = @_; 1875 my ($self, $path) = @_;
1432 1876
1433 utf8::encode $path; 1877 utf8::encode $path;
1434 #aio_open $path, O_RDONLY, 0 1878 my $f = new_from_file cf::object::thawer $path
1435 # or return;
1436
1437 $self->_load_header ($path)
1438 or return; 1879 or return;
1880
1881 $self->_load_header ($f)
1882 or return;
1883
1884 local $MAP_LOADING{$self->{path}} = $self;
1885 $f->resolve_delayed_derefs;
1439 1886
1440 $self->{load_path} = $path; 1887 $self->{load_path} = $path;
1441 1888
1442 1 1889 1
1443} 1890}
1482 $self->load_header_orig 1929 $self->load_header_orig
1483 or return; 1930 or return;
1484 $self->prepare_orig; 1931 $self->prepare_orig;
1485 } 1932 }
1486 1933
1934 $self->{deny_reset} = 1
1935 if $self->no_reset;
1936
1487 $self->default_region (cf::region::find_by_path $self->{path}) 1937 $self->default_region (cf::region::find_by_path $self->{path})
1488 unless $self->default_region; 1938 unless $self->default_region;
1489 1939
1490 1 1940 1
1491} 1941}
1494sub find { 1944sub find {
1495 my ($path, $origin) = @_; 1945 my ($path, $origin) = @_;
1496 1946
1497 $path = normalise $path, $origin && $origin->path; 1947 $path = normalise $path, $origin && $origin->path;
1498 1948
1949 cf::lock_wait "map_data:$path";#d#remove
1499 cf::lock_wait "map_find:$path"; 1950 cf::lock_wait "map_find:$path";
1500 1951
1501 $cf::MAP{$path} || do { 1952 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1502 my $guard = cf::lock_acquire "map_find:$path"; 1954 my $guard2 = cf::lock_acquire "map_find:$path";
1955
1503 my $map = new_from_path cf::map $path 1956 my $map = new_from_path cf::map $path
1504 or return; 1957 or return;
1505 1958
1506 $map->{last_save} = $cf::RUNTIME; 1959 $map->{last_save} = $cf::RUNTIME;
1507 1960
1508 $map->load_header 1961 $map->load_header
1509 or return; 1962 or return;
1510 1963
1511 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1964 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512 # doing this can freeze the server in a sync job, obviously 1965 # doing this can freeze the server in a sync job, obviously
1513 #$cf::WAIT_FOR_TICK->wait; 1966 #$cf::WAIT_FOR_TICK->wait;
1967 undef $guard2;
1968 undef $guard1;
1514 $map->reset; 1969 $map->reset;
1515 undef $guard;
1516 return find $path; 1970 return find $path;
1517 } 1971 }
1518 1972
1519 $cf::MAP{$path} = $map 1973 $cf::MAP{$path} = $map
1520 } 1974 }
1529 local $self->{deny_reset} = 1; # loading can take a long time 1983 local $self->{deny_reset} = 1; # loading can take a long time
1530 1984
1531 my $path = $self->{path}; 1985 my $path = $self->{path};
1532 1986
1533 { 1987 {
1534 my $guard = cf::lock_acquire "map_load:$path"; 1988 my $guard = cf::lock_acquire "map_data:$path";
1535 1989
1990 return unless $self->valid;
1536 return if $self->in_memory != cf::MAP_SWAPPED; 1991 return unless $self->in_memory == cf::MAP_SWAPPED;
1537 1992
1538 $self->in_memory (cf::MAP_LOADING); 1993 $self->in_memory (cf::MAP_LOADING);
1539 1994
1540 $self->alloc; 1995 $self->alloc;
1541 1996
1542 $self->pre_load; 1997 $self->pre_load;
1543 Coro::cede; 1998 cf::cede_to_tick;
1544 1999
2000 my $f = new_from_file cf::object::thawer $self->{load_path};
2001 $f->skip_block;
1545 $self->_load_objects ($self->{load_path}, 1) 2002 $self->_load_objects ($f)
1546 or return; 2003 or return;
1547 2004
1548 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2005 $self->post_load_original
1549 if delete $self->{load_original}; 2006 if delete $self->{load_original};
1550 2007
1551 if (my $uniq = $self->uniq_path) { 2008 if (my $uniq = $self->uniq_path) {
1552 utf8::encode $uniq; 2009 utf8::encode $uniq;
1553 if (aio_open $uniq, O_RDONLY, 0) { 2010 unless (aio_stat $uniq) {
2011 if (my $f = new_from_file cf::object::thawer $uniq) {
1554 $self->clear_unique_items; 2012 $self->clear_unique_items;
1555 $self->_load_objects ($uniq, 0); 2013 $self->_load_objects ($f);
2014 $f->resolve_delayed_derefs;
2015 }
1556 } 2016 }
1557 } 2017 }
1558 2018
1559 Coro::cede; 2019 $f->resolve_delayed_derefs;
2020
2021 cf::cede_to_tick;
1560 # now do the right thing for maps 2022 # now do the right thing for maps
1561 $self->link_multipart_objects; 2023 $self->link_multipart_objects;
1562 $self->difficulty ($self->estimate_difficulty) 2024 $self->difficulty ($self->estimate_difficulty)
1563 unless $self->difficulty; 2025 unless $self->difficulty;
1564 Coro::cede; 2026 cf::cede_to_tick;
1565 2027
1566 unless ($self->{deny_activate}) { 2028 unless ($self->{deny_activate}) {
1567 $self->decay_objects; 2029 $self->decay_objects;
1568 $self->fix_auto_apply; 2030 $self->fix_auto_apply;
1569 $self->update_buttons; 2031 $self->update_buttons;
1570 Coro::cede; 2032 cf::cede_to_tick;
1571 $self->set_darkness_map; 2033 $self->set_darkness_map;
1572 Coro::cede; 2034 cf::cede_to_tick;
1573 $self->activate; 2035 $self->activate;
1574 } 2036 }
1575 2037
2038 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME);
2040
1576 $self->in_memory (cf::MAP_IN_MEMORY); 2041 $self->in_memory (cf::MAP_ACTIVE);
1577 } 2042 }
1578 2043
1579 $self->post_load; 2044 $self->post_load;
1580} 2045}
1581 2046
1583 my ($self, $ob) = @_; 2048 my ($self, $ob) = @_;
1584 2049
1585 return find "~" . $ob->name . "/" . $self->{path} 2050 return find "~" . $ob->name . "/" . $self->{path}
1586 if $self->per_player; 2051 if $self->per_player;
1587 2052
2053# return find "?party/" . $ob->name . "/" . $self->{path}
2054# if $self->per_party;
2055
1588 $self 2056 $self
1589} 2057}
1590 2058
1591# find and load all maps in the 3x3 area around a map 2059# find and load all maps in the 3x3 area around a map
1592sub load_diag { 2060sub load_neighbours {
1593 my ($map) = @_; 2061 my ($map) = @_;
1594 2062
1595 my @diag; # diagonal neighbours 2063 my @neigh; # diagonal neighbours
1596 2064
1597 for (0 .. 3) { 2065 for (0 .. 3) {
1598 my $neigh = $map->tile_path ($_) 2066 my $neigh = $map->tile_path ($_)
1599 or next; 2067 or next;
1600 $neigh = find $neigh, $map 2068 $neigh = find $neigh, $map
1601 or next; 2069 or next;
1602 $neigh->load; 2070 $neigh->load;
1603 2071
2072 push @neigh,
1604 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2073 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2074 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1606 } 2075 }
1607 2076
1608 for (@diag) { 2077 for (grep defined $_->[0], @neigh) {
2078 my ($path, $origin) = @$_;
1609 my $neigh = find @$_ 2079 my $neigh = find $path, $origin
1610 or next; 2080 or next;
1611 $neigh->load; 2081 $neigh->load;
1612 } 2082 }
1613} 2083}
1614 2084
1619} 2089}
1620 2090
1621sub do_load_sync { 2091sub do_load_sync {
1622 my ($map) = @_; 2092 my ($map) = @_;
1623 2093
2094 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2095 if $Coro::current == $Coro::main;
2096
1624 cf::sync_job { $map->load }; 2097 cf::sync_job { $map->load };
1625} 2098}
1626 2099
1627our %MAP_PREFETCH; 2100our %MAP_PREFETCH;
1628our $MAP_PREFETCHER = undef; 2101our $MAP_PREFETCHER = undef;
1629 2102
1630sub find_async { 2103sub find_async {
1631 my ($path, $origin) = @_; 2104 my ($path, $origin, $load) = @_;
1632 2105
1633 $path = normalise $path, $origin && $origin->{path}; 2106 $path = normalise $path, $origin && $origin->{path};
1634 2107
1635 if (my $map = $cf::MAP{$path}) { 2108 if (my $map = $cf::MAP{$path}) {
1636 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2109 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1637 } 2110 }
1638 2111
1639 undef $MAP_PREFETCH{$path}; 2112 $MAP_PREFETCH{$path} |= $load;
2113
1640 $MAP_PREFETCHER ||= cf::async { 2114 $MAP_PREFETCHER ||= cf::async {
2115 $Coro::current->{desc} = "map prefetcher";
2116
1641 while (%MAP_PREFETCH) { 2117 while (%MAP_PREFETCH) {
1642 for my $path (keys %MAP_PREFETCH) { 2118 while (my ($k, $v) = each %MAP_PREFETCH) {
1643 my $map = find $path 2119 if (my $map = find $k) {
1644 or next;
1645 $map->load; 2120 $map->load if $v;
2121 }
1646 2122
1647 delete $MAP_PREFETCH{$path}; 2123 delete $MAP_PREFETCH{$k};
1648 } 2124 }
1649 } 2125 }
1650 undef $MAP_PREFETCHER; 2126 undef $MAP_PREFETCHER;
1651 }; 2127 };
1652 $MAP_PREFETCHER->prio (6); 2128 $MAP_PREFETCHER->prio (6);
1655} 2131}
1656 2132
1657sub save { 2133sub save {
1658 my ($self) = @_; 2134 my ($self) = @_;
1659 2135
1660 my $lock = cf::lock_acquire "map_data:" . $self->path; 2136 my $lock = cf::lock_acquire "map_data:$self->{path}";
1661 2137
1662 $self->{last_save} = $cf::RUNTIME; 2138 $self->{last_save} = $cf::RUNTIME;
1663 2139
1664 return unless $self->dirty; 2140 return unless $self->dirty;
1665 2141
1671 return if $self->{deny_save}; 2147 return if $self->{deny_save};
1672 2148
1673 local $self->{last_access} = $self->last_access;#d# 2149 local $self->{last_access} = $self->last_access;#d#
1674 2150
1675 cf::async { 2151 cf::async {
2152 $Coro::current->{desc} = "map player save";
1676 $_->contr->save for $self->players; 2153 $_->contr->save for $self->players;
1677 }; 2154 };
2155
2156 cf::get_slot 0.02;
1678 2157
1679 if ($uniq) { 2158 if ($uniq) {
1680 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2159 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2160 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1682 } else { 2161 } else {
1688 my ($self) = @_; 2167 my ($self) = @_;
1689 2168
1690 # save first because save cedes 2169 # save first because save cedes
1691 $self->save; 2170 $self->save;
1692 2171
1693 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1694 2173
1695 return if $self->players; 2174 return if $self->players;
1696 return if $self->in_memory != cf::MAP_IN_MEMORY; 2175 return if $self->in_memory != cf::MAP_ACTIVE;
1697 return if $self->{deny_save}; 2176 return if $self->{deny_save};
1698 2177
2178 $self->in_memory (cf::MAP_SWAPPED);
2179
2180 $self->deactivate;
2181 $_->clear_links_to ($self) for values %cf::MAP;
1699 $self->clear; 2182 $self->clear;
1700 $self->in_memory (cf::MAP_SWAPPED);
1701} 2183}
1702 2184
1703sub reset_at { 2185sub reset_at {
1704 my ($self) = @_; 2186 my ($self) = @_;
1705 2187
1706 # TODO: safety, remove and allow resettable per-player maps 2188 # TODO: safety, remove and allow resettable per-player maps
1707 return 1e99 if $self->isa ("ext::map_per_player");#d#
1708 return 1e99 if $self->{deny_reset}; 2189 return 1e99 if $self->{deny_reset};
1709 2190
1710 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2191 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2192 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712 2193
1723 my ($self) = @_; 2204 my ($self) = @_;
1724 2205
1725 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1726 2207
1727 return if $self->players; 2208 return if $self->players;
1728 return if $self->isa ("ext::map_per_player");#d#
1729 2209
1730 warn "resetting map ", $self->path;#d# 2210 warn "resetting map ", $self->path;
1731 2211
1732 $self->in_memory (cf::MAP_SWAPPED); 2212 $self->in_memory (cf::MAP_SWAPPED);
1733 2213
1734 # need to save uniques path 2214 # need to save uniques path
1735 unless ($self->{deny_save}) { 2215 unless ($self->{deny_save}) {
1739 if $uniq; 2219 if $uniq;
1740 } 2220 }
1741 2221
1742 delete $cf::MAP{$self->path}; 2222 delete $cf::MAP{$self->path};
1743 2223
2224 $self->deactivate;
2225 $_->clear_links_to ($self) for values %cf::MAP;
1744 $self->clear; 2226 $self->clear;
1745
1746 $_->clear_links_to ($self) for values %cf::MAP;
1747 2227
1748 $self->unlink_save; 2228 $self->unlink_save;
1749 $self->destroy; 2229 $self->destroy;
1750} 2230}
1751 2231
1752my $nuke_counter = "aaaa"; 2232my $nuke_counter = "aaaa";
1753 2233
1754sub nuke { 2234sub nuke {
1755 my ($self) = @_; 2235 my ($self) = @_;
1756 2236
2237 {
2238 my $lock = cf::lock_acquire "map_data:$self->{path}";
2239
1757 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1758 2241
1759 $self->unlink_save; 2242 $self->unlink_save;
1760 2243
1761 bless $self, "cf::map"; 2244 bless $self, "cf::map";
1762 delete $self->{deny_reset}; 2245 delete $self->{deny_reset};
1763 $self->{deny_save} = 1; 2246 $self->{deny_save} = 1;
1764 $self->reset_timeout (1); 2247 $self->reset_timeout (1);
1765 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2248 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766 2249
1767 $cf::MAP{$self->path} = $self; 2250 $cf::MAP{$self->path} = $self;
2251 }
1768 2252
1769 $self->reset; # polite request, might not happen 2253 $self->reset; # polite request, might not happen
2254}
2255
2256=item $maps = cf::map::tmp_maps
2257
2258Returns an arrayref with all map paths of currently instantiated and saved
2259maps. May block.
2260
2261=cut
2262
2263sub tmp_maps() {
2264 [
2265 map {
2266 utf8::decode $_;
2267 /\.map$/
2268 ? normalise $_
2269 : ()
2270 } @{ aio_readdir $TMPDIR or [] }
2271 ]
2272}
2273
2274=item $maps = cf::map::random_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277random maps. May block.
2278
2279=cut
2280
2281sub random_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise "?random/$_"
2287 : ()
2288 } @{ aio_readdir $RANDOMDIR or [] }
2289 ]
1770} 2290}
1771 2291
1772=item cf::map::unique_maps 2292=item cf::map::unique_maps
1773 2293
1774Returns an arrayref of paths of all shared maps that have 2294Returns an arrayref of paths of all shared maps that have
1775instantiated unique items. May block. 2295instantiated unique items. May block.
1776 2296
1777=cut 2297=cut
1778 2298
1779sub unique_maps() { 2299sub unique_maps() {
1780 my $files = aio_readdir $UNIQUEDIR 2300 [
1781 or return; 2301 map {
1782
1783 my @paths;
1784
1785 for (@$files) {
1786 utf8::decode $_; 2302 utf8::decode $_;
1787 next if /\.pst$/; 2303 s/\.map$//; # TODO future compatibility hack
1788 next unless /^$PATH_SEP/o; 2304 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789 2305 ? ()
1790 push @paths, cf::map::normalise $_; 2306 : normalise $_
2307 } @{ aio_readdir $UNIQUEDIR or [] }
1791 } 2308 ]
1792
1793 \@paths
1794} 2309}
1795
1796package cf;
1797 2310
1798=back 2311=back
1799 2312
1800=head3 cf::object 2313=head3 cf::object
1801 2314
1805 2318
1806=over 4 2319=over 4
1807 2320
1808=item $ob->inv_recursive 2321=item $ob->inv_recursive
1809 2322
1810Returns the inventory of the object _and_ their inventories, recursively. 2323Returns the inventory of the object I<and> their inventories, recursively,
2324but I<not> the object itself.
1811 2325
1812=cut 2326=cut
1813 2327
1814sub inv_recursive_; 2328sub inv_recursive_;
1815sub inv_recursive_ { 2329sub inv_recursive_ {
1818 2332
1819sub inv_recursive { 2333sub inv_recursive {
1820 inv_recursive_ inv $_[0] 2334 inv_recursive_ inv $_[0]
1821} 2335}
1822 2336
2337=item $ref = $ob->ref
2338
2339Creates and returns a persistent reference to an object that can be stored as a string.
2340
2341=item $ob = cf::object::deref ($refstring)
2342
2343returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2344even if the object actually exists. May block.
2345
2346=cut
2347
2348sub deref {
2349 my ($ref) = @_;
2350
2351 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2352 my ($uuid, $name) = ($1, $2);
2353 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2354 or return;
2355 $pl->ob->uuid eq $uuid
2356 or return;
2357
2358 $pl->ob
2359 } else {
2360 warn "$ref: cannot resolve object reference\n";
2361 undef
2362 }
2363}
2364
1823package cf; 2365package cf;
1824 2366
1825=back 2367=back
1826 2368
1827=head3 cf::object::player 2369=head3 cf::object::player
1833Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2375Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834can be C<undef>. Does the right thing when the player is currently in a 2376can be C<undef>. Does the right thing when the player is currently in a
1835dialogue with the given NPC character. 2377dialogue with the given NPC character.
1836 2378
1837=cut 2379=cut
2380
2381our $SAY_CHANNEL = {
2382 id => "say",
2383 title => "Map",
2384 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2386};
2387
2388our $CHAT_CHANNEL = {
2389 id => "chat",
2390 title => "Chat",
2391 reply => "chat ",
2392 tooltip => "Player chat and shouts, global to the server.",
2393};
1838 2394
1839# rough implementation of a future "reply" method that works 2395# rough implementation of a future "reply" method that works
1840# with dialog boxes. 2396# with dialog boxes.
1841#TODO: the first argument must go, split into a $npc->reply_to ( method 2397#TODO: the first argument must go, split into a $npc->reply_to ( method
1842sub cf::object::player::reply($$$;$) { 2398sub cf::object::player::reply($$$;$) {
1844 2400
1845 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2401 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846 2402
1847 if ($self->{record_replies}) { 2403 if ($self->{record_replies}) {
1848 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2404 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2405
1849 } else { 2406 } else {
2407 my $pl = $self->contr;
2408
2409 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2410 my $dialog = $pl->{npc_dialog};
2411 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2412
2413 } else {
1850 $msg = $npc->name . " says: $msg" if $npc; 2414 $msg = $npc->name . " says: $msg" if $npc;
1851 $self->message ($msg, $flags); 2415 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2416 }
1852 } 2417 }
2418}
2419
2420=item $object->send_msg ($channel, $msg, $color, [extra...])
2421
2422=cut
2423
2424sub cf::object::send_msg {
2425 my $pl = shift->contr
2426 or return;
2427 $pl->send_msg (@_);
1853} 2428}
1854 2429
1855=item $player_object->may ("access") 2430=item $player_object->may ("access")
1856 2431
1857Returns wether the given player is authorized to access resource "access" 2432Returns wether the given player is authorized to access resource "access"
1904 $self->deactivate_recursive; 2479 $self->deactivate_recursive;
1905 2480
1906 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2481 return if UNIVERSAL::isa $self->map, "ext::map_link";
1907 2482
1908 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2483 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909 if $self->map; 2484 if $self->map && $self->map->{path} ne "{link}";
1910 2485
1911 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2486 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1912} 2487}
1913 2488
1914sub cf::object::player::leave_link { 2489sub cf::object::player::leave_link {
1915 my ($self, $map, $x, $y) = @_; 2490 my ($self, $map, $x, $y) = @_;
2491
2492 return unless $self->contr->active;
1916 2493
1917 my $link_pos = delete $self->{_link_pos}; 2494 my $link_pos = delete $self->{_link_pos};
1918 2495
1919 unless ($map) { 2496 unless ($map) {
1920 # restore original map position 2497 # restore original map position
1934 # use -1 or undef as default coordinates, not 0, 0 2511 # use -1 or undef as default coordinates, not 0, 0
1935 ($x, $y) = ($map->enter_x, $map->enter_y) 2512 ($x, $y) = ($map->enter_x, $map->enter_y)
1936 if $x <=0 && $y <= 0; 2513 if $x <=0 && $y <= 0;
1937 2514
1938 $map->load; 2515 $map->load;
1939 $map->load_diag; 2516 $map->load_neighbours;
1940 2517
1941 return unless $self->contr->active; 2518 return unless $self->contr->active;
1942 $self->activate_recursive; 2519 $self->activate_recursive;
1943 2520
1944 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945 $self->enter_map ($map, $x, $y); 2522 $self->enter_map ($map, $x, $y);
1946} 2523}
1947 2524
1948cf::player->attach (
1949 on_logout => sub {
1950 my ($pl) = @_;
1951
1952 # abort map switching before logout
1953 if ($pl->ob->{_link_pos}) {
1954 cf::sync_job {
1955 $pl->ob->leave_link
1956 };
1957 }
1958 },
1959 on_login => sub {
1960 my ($pl) = @_;
1961
1962 # try to abort aborted map switching on player login :)
1963 # should happen only on crashes
1964 if ($pl->ob->{_link_pos}) {
1965 $pl->ob->enter_link;
1966 (async {
1967 $pl->ob->reply (undef,
1968 "There was an internal problem at your last logout, "
1969 . "the server will try to bring you to your intended destination in a second.",
1970 cf::NDI_RED);
1971 # we need this sleep as the login has a concurrent enter_exit running
1972 # and this sleep increases chances of the player not ending up in scorn
1973 Coro::Timer::sleep 1;
1974 $pl->ob->leave_link;
1975 })->prio (2);
1976 }
1977 },
1978);
1979
1980=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1981 2526
1982Moves the player to the given map-path and coordinates by first freezing 2527Moves the player to the given map-path and coordinates by first freezing
1983her, loading and preparing them map, calling the provided $check callback 2528her, loading and preparing them map, calling the provided $check callback
1984that has to return the map if sucecssful, and then unfreezes the player on 2529that has to return the map if sucecssful, and then unfreezes the player on
1985the new (success) or old (failed) map position. 2530the new (success) or old (failed) map position. In either case, $done will
2531be called at the end of this process.
1986 2532
2533Note that $check will be called with a potentially non-loaded map, so if
2534it needs a loaded map it has to call C<< ->load >>.
2535
1987=cut 2536=cut
2537
2538our $GOTOGEN;
1988 2539
1989sub cf::object::player::goto { 2540sub cf::object::player::goto {
1990 my ($self, $path, $x, $y, $check) = @_; 2541 my ($self, $path, $x, $y, $check, $done) = @_;
1991 2542
1992 #d# #TODO# 2543 # do generation counting so two concurrent goto's will be executed in-order
1993 if ($check && !ref $check) { 2544 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1994 warn Carp::longmess "goto called with non-ref check argument";#d#
1995 undef $check;
1996 }
1997 2545
1998 $self->enter_link; 2546 $self->enter_link;
1999 2547
2000 (async { 2548 (async {
2549 $Coro::current->{desc} = "player::goto $path $x $y";
2550
2551 # *tag paths override both path and x|y
2552 if ($path =~ /^\*(.*)$/) {
2553 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2554 my $ob = $obs[rand @obs];
2555
2556 # see if we actually can go there
2557 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2558 $ob = $obs[rand @obs];
2559 } else {
2560 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2561 }
2562 # else put us there anyways for now #d#
2563
2564 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2565 } else {
2566 ($path, $x, $y) = (undef, undef, undef);
2567 }
2568 }
2569
2001 my $map = eval { 2570 my $map = eval {
2002 my $map = cf::map::find $path; 2571 my $map = defined $path ? cf::map::find $path : undef;
2003 2572
2004 if ($map) { 2573 if ($map) {
2005 $map = $map->customise_for ($self); 2574 $map = $map->customise_for ($self);
2006 $map = $check->($map) if $check && $map; 2575 $map = $check->($map) if $check && $map;
2007 } else { 2576 } else {
2008 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2577 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009 } 2578 }
2010 2579
2011 $map 2580 $map
2012 }; 2581 };
2013 2582
2014 if ($@) { 2583 if ($@) {
2015 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED); 2584 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016 LOG llevError | logBacktrace, Carp::longmess $@; 2585 LOG llevError | logBacktrace, Carp::longmess $@;
2017 } 2586 }
2018 2587
2588 if ($gen == $self->{_goto_generation}) {
2589 delete $self->{_goto_generation};
2019 $self->leave_link ($map, $x, $y); 2590 $self->leave_link ($map, $x, $y);
2591 }
2592
2593 $done->() if $done;
2020 })->prio (1); 2594 })->prio (1);
2021} 2595}
2022 2596
2023=item $player_object->enter_exit ($exit_object) 2597=item $player_object->enter_exit ($exit_object)
2024 2598
2044} 2618}
2045 2619
2046sub prepare_random_map { 2620sub prepare_random_map {
2047 my ($exit) = @_; 2621 my ($exit) = @_;
2048 2622
2049 my $guard = cf::lock_acquire "exit_prepare:$exit";
2050
2051 # all this does is basically replace the /! path by 2623 # all this does is basically replace the /! path by
2052 # a new random map path (?random/...) with a seed 2624 # a new random map path (?random/...) with a seed
2053 # that depends on the exit object 2625 # that depends on the exit object
2054 2626
2055 my $rmp = parse_random_map_params $exit->msg; 2627 my $rmp = parse_random_map_params $exit->msg;
2057 if ($exit->map) { 2629 if ($exit->map) {
2058 $rmp->{region} = $exit->region->name; 2630 $rmp->{region} = $exit->region->name;
2059 $rmp->{origin_map} = $exit->map->path; 2631 $rmp->{origin_map} = $exit->map->path;
2060 $rmp->{origin_x} = $exit->x; 2632 $rmp->{origin_x} = $exit->x;
2061 $rmp->{origin_y} = $exit->y; 2633 $rmp->{origin_y} = $exit->y;
2634
2635 $exit->map->touch;
2062 } 2636 }
2063 2637
2064 $rmp->{random_seed} ||= $exit->random_seed; 2638 $rmp->{random_seed} ||= $exit->random_seed;
2065 2639
2066 my $data = cf::to_json $rmp; 2640 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2067 my $md5 = Digest::MD5::md5_hex $data; 2641 my $md5 = Digest::MD5::md5_hex $data;
2068 my $meta = "$RANDOMDIR/$md5.meta"; 2642 my $meta = "$RANDOMDIR/$md5.meta";
2069 2643
2070 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2644 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071 aio_write $fh, 0, (length $data), $data, 0; 2645 aio_write $fh, 0, (length $data), $data, 0;
2072 undef $fh; 2646 undef $fh;
2073 aio_rename "$meta~", $meta; 2647 aio_rename "$meta~", $meta;
2074 2648
2649 my $slaying = "?random/$md5";
2650
2651 if ($exit->valid) {
2075 $exit->slaying ("?random/$md5"); 2652 $exit->slaying ("?random/$md5");
2076 $exit->msg (undef); 2653 $exit->msg (undef);
2654 }
2077 } 2655 }
2078} 2656}
2079 2657
2080sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
2081 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
2082 2660
2083 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
2084 2662
2085 if ($exit->slaying eq "/!") {
2086 #TODO: this should de-fi-ni-te-ly not be a sync-job
2087 # the problem is that $exit might not survive long enough
2088 # so it needs to be done right now, right here
2089 cf::sync_job { prepare_random_map $exit };
2090 }
2091
2092 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2093 my $hp = $exit->stats->hp;
2094 my $sp = $exit->stats->sp;
2095
2096 $self->enter_link; 2663 $self->enter_link;
2097 2664
2098 (async { 2665 (async {
2099 $self->deactivate_recursive; # just to be sure 2666 $Coro::current->{desc} = "enter_exit";
2667
2100 unless (eval { 2668 unless (eval {
2669 $self->deactivate_recursive; # just to be sure
2670
2671 # random map handling
2672 {
2673 my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
2675 prepare_random_map $exit
2676 if $exit->slaying eq "/!";
2677 }
2678
2679 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2680 my $x = $exit->stats->hp;
2681 my $y = $exit->stats->sp;
2682
2101 $self->goto ($slaying, $hp, $sp); 2683 $self->goto ($map, $x, $y);
2102 2684
2685 # if exit is damned, update players death & WoR home-position
2686 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED);
2688
2103 1; 2689 1
2104 }) { 2690 }) {
2105 $self->message ("Something went wrong deep within the crossfire server. " 2691 $self->message ("Something went wrong deep within the crossfire server. "
2106 . "I'll try to bring you back to the map you were before. " 2692 . "I'll try to bring you back to the map you were before. "
2107 . "Please report this to the dungeon master!", 2693 . "Please report this to the dungeon master!",
2108 cf::NDI_UNIQUE | cf::NDI_RED); 2694 cf::NDI_UNIQUE | cf::NDI_RED);
2129 2715
2130 utf8::encode $text; 2716 utf8::encode $text;
2131 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2132} 2718}
2133 2719
2720=item $client->send_msg ($channel, $msg, $color, [extra...])
2721
2722Send a drawinfo or msg packet to the client, formatting the msg for the
2723client if neccessary. C<$type> should be a string identifying the type of
2724the message, with C<log> being the default. If C<$color> is negative, suppress
2725the message unless the client supports the msg packet.
2726
2727=cut
2728
2729# non-persistent channels (usually the info channel)
2730our %CHANNEL = (
2731 "c/identify" => {
2732 id => "infobox",
2733 title => "Identify",
2734 reply => undef,
2735 tooltip => "Items recently identified",
2736 },
2737 "c/examine" => {
2738 id => "infobox",
2739 title => "Examine",
2740 reply => undef,
2741 tooltip => "Signs and other items you examined",
2742 },
2743 "c/book" => {
2744 id => "infobox",
2745 title => "Book",
2746 reply => undef,
2747 tooltip => "The contents of a note or book",
2748 },
2749 "c/lookat" => {
2750 id => "infobox",
2751 title => "Look",
2752 reply => undef,
2753 tooltip => "What you saw there",
2754 },
2755 "c/who" => {
2756 id => "infobox",
2757 title => "Players",
2758 reply => undef,
2759 tooltip => "Shows players who are currently online",
2760 },
2761 "c/body" => {
2762 id => "infobox",
2763 title => "Body Parts",
2764 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available",
2766 },
2767 "c/uptime" => {
2768 id => "infobox",
2769 title => "Uptime",
2770 reply => undef,
2771 tooltip => "How long the server has been running since last restart",
2772 },
2773 "c/mapinfo" => {
2774 id => "infobox",
2775 title => "Map Info",
2776 reply => undef,
2777 tooltip => "Information related to the maps",
2778 },
2779 "c/party" => {
2780 id => "party",
2781 title => "Party",
2782 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party",
2784 },
2785);
2786
2787sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_;
2789
2790 $msg = $self->pl->expand_cfpod ($msg);
2791
2792 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793
2794 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel};
2797
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id};
2802
2803 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel)
2808 if $self->can_msg;
2809 }
2810
2811 $channel = $channel->{id};
2812 }
2813
2814 return unless @extra || length $msg;
2815
2816 if ($self->can_msg) {
2817 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF;
2820
2821 my $pkt = "msg "
2822 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 );
2825
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862}
2863
2134=item $client->ext_event ($type, %msg) 2864=item $client->ext_msg ($type, @msg)
2135 2865
2136Sends an exti event to the client. 2866Sends an ext event to the client.
2137 2867
2138=cut 2868=cut
2139 2869
2140sub cf::client::ext_event($$%) { 2870sub cf::client::ext_msg($$@) {
2141 my ($self, $type, %msg) = @_; 2871 my ($self, $type, @msg) = @_;
2142 2872
2873 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove
2143 $msg{msgtype} = "event_$type"; 2876 push @msg, msgtype => "event_$type";
2144 $self->send_packet ("ext " . cf::to_json \%msg); 2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 }
2879}
2880
2881=item $client->ext_reply ($msgid, @msg)
2882
2883Sends an ext reply to the client.
2884
2885=cut
2886
2887sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_;
2889
2890 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 }
2145} 2897}
2146 2898
2147=item $success = $client->query ($flags, "text", \&cb) 2899=item $success = $client->query ($flags, "text", \&cb)
2148 2900
2149Queues a query to the client, calling the given callback with 2901Queues a query to the client, calling the given callback with
2150the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2902the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2151C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2903C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2152 2904
2153Queries can fail, so check the return code. Or don't, as queries will become 2905Queries can fail, so check the return code. Or don't, as queries will
2154reliable at some point in the future. 2906become reliable at some point in the future.
2155 2907
2156=cut 2908=cut
2157 2909
2158sub cf::client::query { 2910sub cf::client::query {
2159 my ($self, $flags, $text, $cb) = @_; 2911 my ($self, $flags, $text, $cb) = @_;
2167 utf8::encode $text; 2919 utf8::encode $text;
2168 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2920 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169 2921
2170 $self->send_packet ($self->{query_queue}[0][0]) 2922 $self->send_packet ($self->{query_queue}[0][0])
2171 if @{ $self->{query_queue} } == 1; 2923 if @{ $self->{query_queue} } == 1;
2924
2925 1
2172} 2926}
2173 2927
2174cf::client->attach ( 2928cf::client->attach (
2929 on_connect => sub {
2930 my ($ns) = @_;
2931
2932 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2933 },
2175 on_reply => sub { 2934 on_reply => sub {
2176 my ($ns, $msg) = @_; 2935 my ($ns, $msg) = @_;
2177 2936
2178 # this weird shuffling is so that direct followup queries 2937 # this weird shuffling is so that direct followup queries
2179 # get handled first 2938 # get handled first
2191 } else { 2950 } else {
2192 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2951 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193 } 2952 }
2194 } 2953 }
2195 }, 2954 },
2955 on_exticmd => sub {
2956 my ($ns, $buf) = @_;
2957
2958 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959
2960 if (ref $msg) {
2961 my ($type, $reply, @payload) =
2962 "ARRAY" eq ref $msg
2963 ? @$msg
2964 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965
2966 my @reply;
2967
2968 if (my $cb = $EXTICMD{$type}) {
2969 @reply = $cb->($ns, @payload);
2970 }
2971
2972 $ns->ext_reply ($reply, @reply)
2973 if $reply;
2974
2975 } else {
2976 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977 }
2978
2979 cf::override;
2980 },
2196); 2981);
2197 2982
2198=item $client->async (\&cb) 2983=item $client->async (\&cb)
2199 2984
2200Create a new coroutine, running the specified callback. The coroutine will 2985Create a new coroutine, running the specified callback. The coroutine will
2241our $safe = new Safe "safe"; 3026our $safe = new Safe "safe";
2242our $safe_hole = new Safe::Hole; 3027our $safe_hole = new Safe::Hole;
2243 3028
2244$SIG{FPE} = 'IGNORE'; 3029$SIG{FPE} = 'IGNORE';
2245 3030
2246$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3031$safe->permit_only (Opcode::opset qw(
3032 :base_core :base_mem :base_orig :base_math
3033 grepstart grepwhile mapstart mapwhile
3034 sort time
3035));
2247 3036
2248# here we export the classes and methods available to script code 3037# here we export the classes and methods available to script code
2249 3038
2250=pod 3039=pod
2251 3040
2252The following functions and methods are available within a safe environment: 3041The following functions and methods are available within a safe environment:
2253 3042
2254 cf::object contr pay_amount pay_player map 3043 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split
3046
2255 cf::object::player player 3047 cf::object::player
2256 cf::player peaceful 3048 player
2257 cf::map trigger 3049
3050 cf::player
3051 peaceful
3052
3053 cf::map
3054 trigger
2258 3055
2259=cut 3056=cut
2260 3057
2261for ( 3058for (
2262 ["cf::object" => qw(contr pay_amount pay_player map)], 3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)],
2263 ["cf::object::player" => qw(player)], 3062 ["cf::object::player" => qw(player)],
2264 ["cf::player" => qw(peaceful)], 3063 ["cf::player" => qw(peaceful)],
2265 ["cf::map" => qw(trigger)], 3064 ["cf::map" => qw(trigger)],
2266) { 3065) {
2267 no strict 'refs'; 3066 no strict 'refs';
2338=back 3137=back
2339 3138
2340=cut 3139=cut
2341 3140
2342############################################################################# 3141#############################################################################
2343
2344=head2 EXTENSION DATABASE SUPPORT
2345
2346Crossfire maintains a very simple database for extension use. It can
2347currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348convert to/from binary).
2349
2350The parameter C<$family> should best start with the name of the extension
2351using it, it should be unique.
2352
2353=over 4
2354
2355=item $value = cf::db_get $family => $key
2356
2357Returns a single value from the database.
2358
2359=item cf::db_put $family => $key => $value
2360
2361Stores the given C<$value> in the family.
2362
2363=cut
2364
2365our $DB;
2366
2367sub db_init {
2368 unless ($DB) {
2369 $DB = BDB::db_create $DB_ENV;
2370
2371 cf::sync_job {
2372 eval {
2373 $DB->set_flags (BDB::CHKSUM);
2374
2375 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377 cf::cleanup "db_open(db): $!" if $!;
2378 };
2379 cf::cleanup "db_open(db): $@" if $@;
2380 };
2381 }
2382}
2383
2384sub db_get($$) {
2385 my $key = "$_[0]/$_[1]";
2386
2387 cf::sync_job {
2388 BDB::db_get $DB, undef, $key, my $data;
2389
2390 $! ? ()
2391 : $data
2392 }
2393}
2394
2395sub db_put($$$) {
2396 BDB::dbreq_pri 4;
2397 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398}
2399
2400=item cf::cache $id => [$paths...], $processversion => $process
2401
2402Generic caching function that returns the value of the resource $id,
2403caching and regenerating as required.
2404
2405This function can block.
2406
2407=cut
2408
2409sub cache {
2410 my ($id, $src, $processversion, $process) = @_;
2411
2412 my $meta =
2413 join "\x00",
2414 $processversion,
2415 map {
2416 aio_stat $_
2417 and Carp::croak "$_: $!";
2418
2419 ($_, (stat _)[7,9])
2420 } @$src;
2421
2422 my $dbmeta = db_get cache => "$id/meta";
2423 if ($dbmeta ne $meta) {
2424 # changed, we may need to process
2425
2426 my @data;
2427 my $md5;
2428
2429 for (0 .. $#$src) {
2430 0 <= aio_load $src->[$_], $data[$_]
2431 or Carp::croak "$src->[$_]: $!";
2432 }
2433
2434 # if processing is expensive, check
2435 # checksum first
2436 if (1) {
2437 $md5 =
2438 join "\x00",
2439 $processversion,
2440 map {
2441 Coro::cede;
2442 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2443 } 0.. $#$src;
2444
2445
2446 my $dbmd5 = db_get cache => "$id/md5";
2447 if ($dbmd5 eq $md5) {
2448 db_put cache => "$id/meta", $meta;
2449
2450 return db_get cache => "$id/data";
2451 }
2452 }
2453
2454 my $t1 = Time::HiRes::time;
2455 my $data = $process->(\@data);
2456 my $t2 = Time::HiRes::time;
2457
2458 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460 db_put cache => "$id/data", $data;
2461 db_put cache => "$id/md5" , $md5;
2462 db_put cache => "$id/meta", $meta;
2463
2464 return $data;
2465 }
2466
2467 db_get cache => "$id/data"
2468}
2469
2470=item fork_call { }, $args
2471
2472Executes the given code block with the given arguments in a seperate
2473process, returning the results. Everything must be serialisable with
2474Coro::Storable. May, of course, block. Note that the executed sub may
2475never block itself or use any form of Event handling.
2476
2477=cut
2478
2479sub fork_call(&@) {
2480 my ($cb, @args) = @_;
2481
2482# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483# or die "socketpair: $!";
2484 pipe my $fh1, my $fh2
2485 or die "pipe: $!";
2486
2487 if (my $pid = fork) {
2488 close $fh2;
2489
2490 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491 $res = Coro::Storable::thaw $res;
2492
2493 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495 die $$res unless "ARRAY" eq ref $res;
2496
2497 return wantarray ? @$res : $res->[-1];
2498 } else {
2499 reset_signals;
2500 local $SIG{__WARN__};
2501 local $SIG{__DIE__};
2502 eval {
2503 close $fh1;
2504
2505 my @res = eval { $cb->(@args) };
2506 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507 };
2508
2509 warn $@ if $@;
2510 _exit 0;
2511 }
2512}
2513
2514
2515
2516#############################################################################
2517# the server's init and main functions 3142# the server's init and main functions
2518 3143
2519sub load_facedata($) { 3144sub load_facedata($) {
2520 my ($path) = @_; 3145 my ($path) = @_;
3146
3147 # HACK to clear player env face cache, we need some signal framework
3148 # for this (global event?)
3149 %ext::player_env::MUSIC_FACE_CACHE = ();
3150
3151 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2521 3152
2522 warn "loading facedata from $path\n"; 3153 warn "loading facedata from $path\n";
2523 3154
2524 my $facedata; 3155 my $facedata;
2525 0 < aio_load $path, $facedata 3156 0 < aio_load $path, $facedata
2528 $facedata = Coro::Storable::thaw $facedata; 3159 $facedata = Coro::Storable::thaw $facedata;
2529 3160
2530 $facedata->{version} == 2 3161 $facedata->{version} == 2
2531 or cf::cleanup "$path: version mismatch, cannot proceed."; 3162 or cf::cleanup "$path: version mismatch, cannot proceed.";
2532 3163
3164 # patch in the exptable
3165 $facedata->{resource}{"res/exp_table"} = {
3166 type => FT_RSRC,
3167 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3168 };
3169 cf::cede_to_tick;
3170
2533 { 3171 {
2534 my $faces = $facedata->{faceinfo}; 3172 my $faces = $facedata->{faceinfo};
2535 3173
2536 while (my ($face, $info) = each %$faces) { 3174 while (my ($face, $info) = each %$faces) {
2537 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3175 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3176
2538 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3177 cf::face::set_visibility $idx, $info->{visibility};
3178 cf::face::set_magicmap $idx, $info->{magicmap};
2539 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3179 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2540 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3180 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2541 Coro::cede; 3181
3182 cf::cede_to_tick;
2542 } 3183 }
2543 3184
2544 while (my ($face, $info) = each %$faces) { 3185 while (my ($face, $info) = each %$faces) {
2545 next unless $info->{smooth}; 3186 next unless $info->{smooth};
3187
2546 my $idx = cf::face::find $face 3188 my $idx = cf::face::find $face
2547 or next; 3189 or next;
3190
2548 if (my $smooth = cf::face::find $info->{smooth}) { 3191 if (my $smooth = cf::face::find $info->{smooth}) {
3192 cf::face::set_smooth $idx, $smooth;
2549 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3193 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550 } else { 3194 } else {
2551 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3195 warn "smooth face '$info->{smooth}' not found for face '$face'";
2552 } 3196 }
2553 Coro::cede; 3197
3198 cf::cede_to_tick;
2554 } 3199 }
2555 } 3200 }
2556 3201
2557 { 3202 {
2558 my $anims = $facedata->{animinfo}; 3203 my $anims = $facedata->{animinfo};
2559 3204
2560 while (my ($anim, $info) = each %$anims) { 3205 while (my ($anim, $info) = each %$anims) {
2561 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3206 cf::anim::set $anim, $info->{frames}, $info->{facings};
2562 Coro::cede; 3207 cf::cede_to_tick;
2563 } 3208 }
2564 3209
2565 cf::anim::invalidate_all; # d'oh 3210 cf::anim::invalidate_all; # d'oh
2566 } 3211 }
2567 3212
3213 {
3214 # TODO: for gcfclient pleasure, we should give resources
3215 # that gcfclient doesn't grok a >10000 face index.
3216 my $res = $facedata->{resource};
3217
3218 while (my ($name, $info) = each %$res) {
3219 if (defined $info->{type}) {
3220 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221 my $data;
3222
3223 if ($info->{type} & 1) {
3224 # prepend meta info
3225
3226 my $meta = $enc->encode ({
3227 name => $name,
3228 %{ $info->{meta} || {} },
3229 });
3230
3231 $data = pack "(w/a*)*", $meta, $info->{data};
3232 } else {
3233 $data = $info->{data};
3234 }
3235
3236 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237 cf::face::set_type $idx, $info->{type};
3238 } else {
3239 $RESOURCE{$name} = $info;
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247
2568 1 3248 1
2569} 3249}
2570 3250
3251cf::global->attach (on_resource_update => sub {
3252 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256 my $sound = $soundconf->{compat}[$_]
3257 or next;
3258
3259 my $face = cf::face::find "sound/$sound->[1]";
3260 cf::sound::set $sound->[0] => $face;
3261 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262 }
3263
3264 while (my ($k, $v) = each %{$soundconf->{event}}) {
3265 my $face = cf::face::find "sound/$v";
3266 cf::sound::set $k => $face;
3267 }
3268 }
3269});
3270
3271register_exticmd fx_want => sub {
3272 my ($ns, $want) = @_;
3273
3274 while (my ($k, $v) = each %$want) {
3275 $ns->fx_want ($k, $v);
3276 }
3277};
3278
3279sub load_resource_file($) {
3280 my $guard = lock_acquire "load_resource_file";
3281
3282 my $status = load_resource_file_ $_[0];
3283 get_slot 0.1, 100;
3284 cf::arch::commit_load;
3285
3286 $status
3287}
3288
2571sub reload_regions { 3289sub reload_regions {
3290 # HACK to clear player env face cache, we need some signal framework
3291 # for this (global event?)
3292 %ext::player_env::MUSIC_FACE_CACHE = ();
3293
2572 load_resource_file "$MAPDIR/regions" 3294 load_resource_file "$MAPDIR/regions"
2573 or die "unable to load regions file\n"; 3295 or die "unable to load regions file\n";
3296
3297 for (cf::region::list) {
3298 $_->{match} = qr/$_->{match}/
3299 if exists $_->{match};
3300 }
2574} 3301}
2575 3302
2576sub reload_facedata { 3303sub reload_facedata {
2577 load_facedata "$DATADIR/facedata" 3304 load_facedata "$DATADIR/facedata"
2578 or die "unable to load facedata\n"; 3305 or die "unable to load facedata\n";
2589} 3316}
2590 3317
2591sub reload_resources { 3318sub reload_resources {
2592 warn "reloading resource files...\n"; 3319 warn "reloading resource files...\n";
2593 3320
2594 reload_regions;
2595 reload_facedata; 3321 reload_facedata;
2596 reload_archetypes; 3322 reload_archetypes;
3323 reload_regions;
2597 reload_treasures; 3324 reload_treasures;
2598 3325
2599 warn "finished reloading resource files\n"; 3326 warn "finished reloading resource files\n";
2600} 3327}
2601 3328
2602sub init { 3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
2603 reload_resources; 3334 reload_resources;
2604} 3335}
2605 3336
2606sub cfg_load { 3337sub reload_config {
2607 open my $fh, "<:utf8", "$CONFDIR/config" 3338 open my $fh, "<:utf8", "$CONFDIR/config"
2608 or return; 3339 or return;
2609 3340
2610 local $/; 3341 local $/;
2611 *CFG = YAML::Syck::Load <$fh>; 3342 *CFG = YAML::Load <$fh>;
2612 3343
2613 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614 3345
2615 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2627sub main { 3358sub main {
2628 # we must not ever block the main coroutine 3359 # we must not ever block the main coroutine
2629 local $Coro::idle = sub { 3360 local $Coro::idle = sub {
2630 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631 (async { 3362 (async {
2632 Event::one_event; 3363 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT;
2633 })->prio (Coro::PRIO_MAX); 3365 })->prio (Coro::PRIO_MAX);
2634 }; 3366 };
2635 3367
2636 cfg_load; 3368 {
3369 my $guard = freeze_mainloop;
3370 reload_config;
2637 db_init; 3371 db_init;
2638 load_extensions; 3372 load_extensions;
2639 3373
2640 $TICK_WATCHER->start; 3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3375 }
3376
2641 Event::loop; 3377 EV::loop;
2642} 3378}
2643 3379
2644############################################################################# 3380#############################################################################
2645# initialisation and cleanup 3381# initialisation and cleanup
2646 3382
2647# install some emergency cleanup handlers 3383# install some emergency cleanup handlers
2648BEGIN { 3384BEGIN {
3385 our %SIGWATCHER = ();
2649 for my $signal (qw(INT HUP TERM)) { 3386 for my $signal (qw(INT HUP TERM)) {
2650 Event->signal ( 3387 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2651 reentrant => 0,
2652 data => WF_AUTOCANCEL,
2653 signal => $signal,
2654 prio => 0,
2655 cb => sub {
2656 cf::cleanup "SIG$signal"; 3388 cf::cleanup "SIG$signal";
2657 },
2658 ); 3389 };
3390 }
3391}
3392
3393sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time.
3398
3399 IO::AIO::aio_utime $runtime, undef, undef;
3400
3401 my $guard = cf::lock_acquire "write_runtime";
3402
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3404 or return;
3405
3406 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server.
3409
3410 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3411 and return;
3412
3413 # always fsync - this file is important
3414 aio_fsync $fh
3415 and return;
3416
3417 # touch it again to show we are up-to-date
3418 aio_utime $fh, undef, undef;
3419
3420 close $fh
3421 or return;
3422
3423 aio_rename "$runtime~", $runtime
3424 and return;
3425
3426 warn "runtime file written.\n";
3427
2659 } 3428 1
3429}
3430
3431our $uuid_lock;
3432our $uuid_skip;
3433
3434sub write_uuid_sync($) {
3435 $uuid_skip ||= $_[0];
3436
3437 return if $uuid_lock;
3438 local $uuid_lock = 1;
3439
3440 my $uuid = "$LOCALDIR/uuid";
3441
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return;
3444
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3446 $uuid_skip = 0;
3447
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return;
3450
3451 # always fsync - this file is important
3452 aio_fsync $fh
3453 and return;
3454
3455 close $fh
3456 or return;
3457
3458 aio_rename "$uuid~", $uuid
3459 and return;
3460
3461 warn "uuid file written ($value).\n";
3462
3463 1
3464
3465}
3466
3467sub write_uuid($$) {
3468 my ($skip, $sync) = @_;
3469
3470 $sync ? write_uuid_sync $skip
3471 : async { write_uuid_sync $skip };
2660} 3472}
2661 3473
2662sub emergency_save() { 3474sub emergency_save() {
2663 my $freeze_guard = cf::freeze_mainloop; 3475 my $freeze_guard = cf::freeze_mainloop;
2664 3476
2670 # and maps saved/destroyed asynchronously. 3482 # and maps saved/destroyed asynchronously.
2671 warn "begin emergency player save\n"; 3483 warn "begin emergency player save\n";
2672 for my $login (keys %cf::PLAYER) { 3484 for my $login (keys %cf::PLAYER) {
2673 my $pl = $cf::PLAYER{$login} or next; 3485 my $pl = $cf::PLAYER{$login} or next;
2674 $pl->valid or next; 3486 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675 $pl->save; 3488 $pl->save;
2676 } 3489 }
2677 warn "end emergency player save\n"; 3490 warn "end emergency player save\n";
2678 3491
2679 warn "begin emergency map save\n"; 3492 warn "begin emergency map save\n";
2685 warn "end emergency map save\n"; 3498 warn "end emergency map save\n";
2686 3499
2687 warn "begin emergency database checkpoint\n"; 3500 warn "begin emergency database checkpoint\n";
2688 BDB::db_env_txn_checkpoint $DB_ENV; 3501 BDB::db_env_txn_checkpoint $DB_ENV;
2689 warn "end emergency database checkpoint\n"; 3502 warn "end emergency database checkpoint\n";
3503
3504 warn "begin write uuid\n";
3505 write_uuid_sync 1;
3506 warn "end write uuid\n";
2690 }; 3507 };
2691 3508
2692 warn "leave emergency perl save\n"; 3509 warn "leave emergency perl save\n";
2693} 3510}
2694 3511
2696 my ($make_core) = @_; 3513 my ($make_core) = @_;
2697 3514
2698 warn Carp::longmess "post_cleanup backtrace" 3515 warn Carp::longmess "post_cleanup backtrace"
2699 if $make_core; 3516 if $make_core;
2700} 3517}
3518
3519# a safer delete_package, copied from Symbol
3520sub clear_package($) {
3521 my $pkg = shift;
3522
3523 # expand to full symbol table name if needed
3524 unless ($pkg =~ /^main::.*::$/) {
3525 $pkg = "main$pkg" if $pkg =~ /^::/;
3526 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3527 $pkg .= '::' unless $pkg =~ /::$/;
3528 }
3529
3530 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3531 my $stem_symtab = *{$stem}{HASH};
3532
3533 defined $stem_symtab and exists $stem_symtab->{$leaf}
3534 or return;
3535
3536 # clear all symbols
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 }
3542 warn "cleared package #$pkg\n";#d#
3543}
3544
3545our $RELOAD; # how many times to reload
2701 3546
2702sub do_reload_perl() { 3547sub do_reload_perl() {
2703 # can/must only be called in main 3548 # can/must only be called in main
2704 if ($Coro::current != $Coro::main) { 3549 if ($Coro::current != $Coro::main) {
2705 warn "can only reload from main coroutine"; 3550 warn "can only reload from main coroutine";
2706 return; 3551 return;
2707 } 3552 }
2708 3553
3554 return if $RELOAD++;
3555
3556 while ($RELOAD) {
2709 warn "reloading..."; 3557 warn "reloading...";
2710 3558
2711 warn "entering sync_job"; 3559 warn "entering sync_job";
2712 3560
2713 cf::sync_job { 3561 cf::sync_job {
2714 cf::write_runtime; # external watchdog should not bark 3562 cf::write_runtime_sync; # external watchdog should not bark
2715 cf::emergency_save; 3563 cf::emergency_save;
2716 cf::write_runtime; # external watchdog should not bark 3564 cf::write_runtime_sync; # external watchdog should not bark
2717 3565
2718 warn "syncing database to disk"; 3566 warn "syncing database to disk";
2719 BDB::db_env_txn_checkpoint $DB_ENV; 3567 BDB::db_env_txn_checkpoint $DB_ENV;
2720 3568
2721 # if anything goes wrong in here, we should simply crash as we already saved 3569 # if anything goes wrong in here, we should simply crash as we already saved
2722 3570
2723 warn "cancelling all WF_AUTOCANCEL watchers";
2724 for (Event::all_watchers) {
2725 $_->cancel if $_->data & WF_AUTOCANCEL;
2726 }
2727
2728 warn "flushing outstanding aio requests"; 3571 warn "flushing outstanding aio requests";
2729 for (;;) {
2730 BDB::flush;
2731 IO::AIO::flush;
2732 Coro::cede;
2733 last unless IO::AIO::nreqs || BDB::nreqs; 3572 while (IO::AIO::nreqs || BDB::nreqs) {
2734 warn "iterate..."; 3573 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2735 }
2736
2737 ++$RELOAD;
2738
2739 warn "cancelling all extension coros";
2740 $_->cancel for values %EXT_CORO;
2741 %EXT_CORO = ();
2742
2743 warn "removing commands";
2744 %COMMAND = ();
2745
2746 warn "removing ext commands";
2747 %EXTCMD = ();
2748
2749 warn "unloading/nuking all extensions";
2750 for my $pkg (@EXTS) {
2751 warn "... unloading $pkg";
2752
2753 if (my $cb = $pkg->can ("unload")) {
2754 eval {
2755 $cb->($pkg);
2756 1
2757 } or warn "$pkg unloaded, but with errors: $@";
2758 } 3574 }
2759 3575
2760 warn "... nuking $pkg"; 3576 warn "cancelling all extension coros";
2761 Symbol::delete_package $pkg; 3577 $_->cancel for values %EXT_CORO;
2762 } 3578 %EXT_CORO = ();
2763 3579
2764 warn "unloading all perl modules loaded from $LIBDIR"; 3580 warn "removing commands";
2765 while (my ($k, $v) = each %INC) { 3581 %COMMAND = ();
2766 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2767 3582
3583 warn "removing ext/exti commands";
3584 %EXTCMD = ();
3585 %EXTICMD = ();
3586
3587 warn "unloading/nuking all extensions";
3588 for my $pkg (@EXTS) {
2768 warn "... unloading $k"; 3589 warn "... unloading $pkg";
2769 delete $INC{$k};
2770 3590
2771 $k =~ s/\.pm$//;
2772 $k =~ s/\//::/g;
2773
2774 if (my $cb = $k->can ("unload_module")) { 3591 if (my $cb = $pkg->can ("unload")) {
3592 eval {
2775 $cb->(); 3593 $cb->($pkg);
3594 1
3595 } or warn "$pkg unloaded, but with errors: $@";
3596 }
3597
3598 warn "... clearing $pkg";
3599 clear_package $pkg;
2776 } 3600 }
2777 3601
2778 Symbol::delete_package $k; 3602 warn "unloading all perl modules loaded from $LIBDIR";
3603 while (my ($k, $v) = each %INC) {
3604 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605
3606 warn "... unloading $k";
3607 delete $INC{$k};
3608
3609 $k =~ s/\.pm$//;
3610 $k =~ s/\//::/g;
3611
3612 if (my $cb = $k->can ("unload_module")) {
3613 $cb->();
3614 }
3615
3616 clear_package $k;
2779 } 3617 }
2780 3618
2781 warn "getting rid of safe::, as good as possible"; 3619 warn "getting rid of safe::, as good as possible";
2782 Symbol::delete_package "safe::$_" 3620 clear_package "safe::$_"
2783 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2784 3622
2785 warn "unloading cf.pm \"a bit\""; 3623 warn "unloading cf.pm \"a bit\"";
2786 delete $INC{"cf.pm"}; 3624 delete $INC{"cf.pm"};
2787 delete $INC{"cf/pod.pm"}; 3625 delete $INC{"cf/pod.pm"};
2788 3626
2789 # don't, removes xs symbols, too, 3627 # don't, removes xs symbols, too,
2790 # and global variables created in xs 3628 # and global variables created in xs
2791 #Symbol::delete_package __PACKAGE__; 3629 #clear_package __PACKAGE__;
2792 3630
2793 warn "unload completed, starting to reload now"; 3631 warn "unload completed, starting to reload now";
2794 3632
2795 warn "reloading cf.pm"; 3633 warn "reloading cf.pm";
2796 require cf; 3634 require cf;
2797 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2798 3636
2799 warn "loading config and database again"; 3637 warn "loading config and database again";
2800 cf::cfg_load; 3638 cf::reload_config;
2801 3639
2802 warn "loading extensions"; 3640 warn "loading extensions";
2803 cf::load_extensions; 3641 cf::load_extensions;
2804 3642
2805 warn "reattaching attachments to objects/players"; 3643 warn "reattaching attachments to objects/players";
2806 _global_reattach; # objects, sockets 3644 _global_reattach; # objects, sockets
2807 warn "reattaching attachments to maps"; 3645 warn "reattaching attachments to maps";
2808 reattach $_ for values %MAP; 3646 reattach $_ for values %MAP;
2809 warn "reattaching attachments to players"; 3647 warn "reattaching attachments to players";
2810 reattach $_ for values %PLAYER; 3648 reattach $_ for values %PLAYER;
2811 3649
2812 warn "leaving sync_job"; 3650 warn "leaving sync_job";
2813 3651
2814 1 3652 1
2815 } or do { 3653 } or do {
2816 warn $@; 3654 warn $@;
2817 warn "error while reloading, exiting."; 3655 cf::cleanup "error while reloading, exiting.";
2818 exit 1;
2819 }; 3656 };
2820 3657
2821 warn "reloaded"; 3658 warn "reloaded";
3659 --$RELOAD;
3660 }
2822}; 3661};
2823 3662
2824our $RELOAD_WATCHER; # used only during reload 3663our $RELOAD_WATCHER; # used only during reload
2825 3664
2826sub reload_perl() { 3665sub reload_perl() {
2827 # doing reload synchronously and two reloads happen back-to-back, 3666 # doing reload synchronously and two reloads happen back-to-back,
2828 # coro crashes during coro_state_free->destroy here. 3667 # coro crashes during coro_state_free->destroy here.
2829 3668
2830 $RELOAD_WATCHER ||= Event->timer ( 3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2831 reentrant => 0,
2832 after => 0,
2833 data => WF_AUTOCANCEL,
2834 cb => sub {
2835 do_reload_perl; 3670 do_reload_perl;
2836 undef $RELOAD_WATCHER; 3671 undef $RELOAD_WATCHER;
2837 },
2838 ); 3672 };
2839} 3673}
2840 3674
2841register_command "reload" => sub { 3675register_command "reload" => sub {
2842 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
2843 3677
2844 if ($who->flag (FLAG_WIZ)) { 3678 if ($who->flag (FLAG_WIZ)) {
2845 $who->message ("reloading server."); 3679 $who->message ("reloading server.");
3680 async {
3681 $Coro::current->{desc} = "perl_reload";
2846 async { reload_perl }; 3682 reload_perl;
3683 };
2847 } 3684 }
2848}; 3685};
2849 3686
2850unshift @INC, $LIBDIR; 3687unshift @INC, $LIBDIR;
2851 3688
2853 3690
2854our @WAIT_FOR_TICK; 3691our @WAIT_FOR_TICK;
2855our @WAIT_FOR_TICK_BEGIN; 3692our @WAIT_FOR_TICK_BEGIN;
2856 3693
2857sub wait_for_tick { 3694sub wait_for_tick {
2858 return unless $TICK_WATCHER->is_active;
2859 return if $Coro::current == $Coro::main; 3695 return if tick_inhibit || $Coro::current == $Coro::main;
2860 3696
2861 my $signal = new Coro::Signal; 3697 my $signal = new Coro::Signal;
2862 push @WAIT_FOR_TICK, $signal; 3698 push @WAIT_FOR_TICK, $signal;
2863 $signal->wait; 3699 $signal->wait;
2864} 3700}
2865 3701
2866sub wait_for_tick_begin { 3702sub wait_for_tick_begin {
2867 return unless $TICK_WATCHER->is_active;
2868 return if $Coro::current == $Coro::main; 3703 return if tick_inhibit || $Coro::current == $Coro::main;
2869 3704
2870 my $signal = new Coro::Signal; 3705 my $signal = new Coro::Signal;
2871 push @WAIT_FOR_TICK_BEGIN, $signal; 3706 push @WAIT_FOR_TICK_BEGIN, $signal;
2872 $signal->wait; 3707 $signal->wait;
2873} 3708}
2874 3709
2875 my $min = 1e6;#d# 3710sub tick {
2876 my $avg = 10;
2877$TICK_WATCHER = Event->timer (
2878 reentrant => 0,
2879 parked => 1,
2880 prio => 0,
2881 at => $NEXT_TICK || $TICK,
2882 data => WF_AUTOCANCEL,
2883 cb => sub {
2884 if ($Coro::current != $Coro::main) { 3711 if ($Coro::current != $Coro::main) {
2885 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3712 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2886 unless ++$bug_warning > 10; 3713 unless ++$bug_warning > 10;
2887 return; 3714 return;
2888 } 3715 }
2889 3716
2890 $NOW = $tick_start = Event::time;
2891
2892 cf::server_tick; # one server iteration 3717 cf::server_tick; # one server iteration
2893 3718
2894 0 && sync_job {#d# 3719 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2895 for(1..10) { 3720 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2896 my $t = Event::time; 3721 Coro::async_pool {
2897 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3722 $Coro::current->{desc} = "runtime saver";
2898 or die; 3723 write_runtime_sync
2899 3724 or warn "ERROR: unable to write runtime file: $!";
2900 $map->width (50);
2901 $map->height (50);
2902 $map->alloc;
2903 $map->_load_objects ("/tmp/x.map", 1);
2904 my $t = Event::time - $t;
2905
2906 #next unless $t < 0.0013;#d#
2907 if ($t < $min) {
2908 $min = $t;
2909 }
2910 $avg = $avg * 0.99 + $t * 0.01;
2911 }
2912 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913 exit 0;
2914 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915 }; 3725 };
3726 }
2916 3727
2917 $RUNTIME += $TICK;
2918 $NEXT_TICK += $TICK;
2919
2920 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921 $NEXT_RUNTIME_WRITE = $NOW + 10;
2922 Coro::async_pool {
2923 write_runtime
2924 or warn "ERROR: unable to write runtime file: $!";
2925 };
2926 }
2927
2928# my $AFTER = Event::time;
2929# warn $AFTER - $NOW;#d#
2930
2931 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3728 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932 $sig->send; 3729 $sig->send;
2933 } 3730 }
2934 while (my $sig = shift @WAIT_FOR_TICK) { 3731 while (my $sig = shift @WAIT_FOR_TICK) {
2935 $sig->send; 3732 $sig->send;
2936 } 3733 }
2937 3734
2938 $NOW = Event::time; 3735 $LOAD = ($NOW - $TICK_START) / $TICK;
2939
2940 # if we are delayed by four ticks or more, skip them all
2941 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943 $TICK_WATCHER->at ($NEXT_TICK);
2944 $TICK_WATCHER->start;
2945
2946 $LOAD = ($NOW - $tick_start) / $TICK;
2947 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3736 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948 3737
2949 _post_tick; 3738 if (0) {
2950 3739 if ($NEXT_TICK) {
2951 3740 my $jitter = $TICK_START - $NEXT_TICK;
3741 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742 warn "jitter $JITTER\n";#d#
3743 }
2952 }, 3744 }
2953); 3745}
2954 3746
2955{ 3747{
2956 BDB::max_poll_time $TICK * 0.1; 3748 # configure BDB
2957 $BDB_POLL_WATCHER = Event->io ( 3749
2958 reentrant => 0,
2959 fd => BDB::poll_fileno,
2960 poll => 'r',
2961 prio => 0,
2962 data => WF_AUTOCANCEL,
2963 cb => \&BDB::poll_cb,
2964 );
2965 BDB::min_parallel 8; 3750 BDB::min_parallel 8;
2966 3751 BDB::max_poll_reqs $TICK * 0.1;
2967 BDB::set_sync_prepare { 3752 $AnyEvent::BDB::WATCHER->priority (1);
2968 my $status;
2969 my $current = $Coro::current;
2970 (
2971 sub {
2972 $status = $!;
2973 $current->ready; undef $current;
2974 },
2975 sub {
2976 Coro::schedule while defined $current;
2977 $! = $status;
2978 },
2979 )
2980 };
2981 3753
2982 unless ($DB_ENV) { 3754 unless ($DB_ENV) {
2983 $DB_ENV = BDB::db_env_create; 3755 $DB_ENV = BDB::db_env_create;
3756 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3758 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3759 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3760 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2984 3761
2985 cf::sync_job { 3762 cf::sync_job {
2986 eval { 3763 eval {
2987 BDB::db_env_open 3764 BDB::db_env_open
2988 $DB_ENV, 3765 $DB_ENV,
2990 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3767 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2991 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3768 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992 0666; 3769 0666;
2993 3770
2994 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3771 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997 $DB_ENV->set_lk_detect;
2998 }; 3772 };
2999 3773
3000 cf::cleanup "db_env_open(db): $@" if $@; 3774 cf::cleanup "db_env_open(db): $@" if $@;
3001 }; 3775 };
3002 } 3776 }
3777
3778 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3779 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3780 };
3781 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3782 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783 };
3784 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786 };
3003} 3787}
3004 3788
3005{ 3789{
3790 # configure IO::AIO
3791
3006 IO::AIO::min_parallel 8; 3792 IO::AIO::min_parallel 8;
3007
3008 undef $Coro::AIO::WATCHER;
3009 IO::AIO::max_poll_time $TICK * 0.1; 3793 IO::AIO::max_poll_time $TICK * 0.1;
3010 $AIO_POLL_WATCHER = Event->io ( 3794 undef $AnyEvent::AIO::WATCHER;
3011 reentrant => 0,
3012 data => WF_AUTOCANCEL,
3013 fd => IO::AIO::poll_fileno,
3014 poll => 'r',
3015 prio => 6,
3016 cb => \&IO::AIO::poll_cb,
3017 );
3018} 3795}
3019 3796
3020my $_log_backtrace; 3797my $_log_backtrace;
3021 3798
3022sub _log_backtrace { 3799sub _log_backtrace {
3026 3803
3027 # limit the # of concurrent backtraces 3804 # limit the # of concurrent backtraces
3028 if ($_log_backtrace < 2) { 3805 if ($_log_backtrace < 2) {
3029 ++$_log_backtrace; 3806 ++$_log_backtrace;
3030 async { 3807 async {
3808 $Coro::current->{desc} = "abt $msg";
3809
3031 my @bt = fork_call { 3810 my @bt = fork_call {
3032 @addr = map { sprintf "%x", $_ } @addr; 3811 @addr = map { sprintf "%x", $_ } @addr;
3033 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3812 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3813 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035 or die "addr2line: $!"; 3814 or die "addr2line: $!";

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